/* ==========================================================================
   UPDEM: EDITORIAL SILVER & SHARP NORDIC AURORA DESIGN SYSTEM
   Multi-Page Enterprise Platform (Home, Solutions, Technology, Industries, About, Contact)
   Theme: Ultra-Premium Liquid Silver & Aerospace Platinum Canvas + Updem Cobalt Accents
   Headquartered in Tampere, Finland.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;450;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&family=Plus+Jakarta+Sans:wght@600;700;800;900&display=swap');

:root {
  /* ========================================================================
     1. OPTION 1: CRISP HIGH-TECH ENTERPRISE CANVAS
     100% Pure Crisp White ground with razor-sharp micro-bezels
     ======================================================================== */
  --canvas-body-color: #FFFFFF;
  --canvas-bg: #FFFFFF;

  /* ========================================================================
     2. PRECISION HIGH-TECH ELECTRIC BLUE & REFINED ACCENTS
     ======================================================================== */
  --aurora-emerald: #059669;
  --aurora-cyan: #00D2FF;
  --aurora-blue: #0062FF;
  --aurora-azure: #0856C8;

  /* High-Tech Precision gradients */
  --grad-aurora-sharp: linear-gradient(135deg, #0066FF 0%, #0856C8 100%);
  --grad-aurora-light: linear-gradient(135deg, #2E82FF 0%, #0066FF 100%);
  --grad-aurora-text: linear-gradient(135deg, #07111E 0%, #0062FF 100%);
  --grad-aurora-horizontal: linear-gradient(90deg, #0062FF 0%, #0856C8 100%);
  --grad-aurora-hover: linear-gradient(135deg, #1A75FF 0%, #064EBE 100%);

  --shadow-aurora-neon: 0 16px 40px -10px rgba(0, 98, 255, 0.18);

  --shadow-aurora-btn: 
    0 6px 20px rgba(0, 102, 255, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);

  --shadow-aurora-btn-hover: 
    0 10px 26px rgba(0, 102, 255, 0.45),
    inset 0 1px 0 #FFFFFF;

  /* ========================================================================
     3. CRISP WHITE PEARL GLASS CARDS & MICRO-BEZELS
     ======================================================================== */
  --card-shiny-silver: #FFFFFF;
  --card-shiny-border: #E2E8F0;
  --card-shiny-shadow: 
    0 10px 30px rgba(15, 23, 42, 0.05),
    0 1px 3px rgba(15, 23, 42, 0.04);

  --grad-mirror-chrome: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  --shadow-mirror-chrome: 
    0 2px 8px rgba(15, 23, 42, 0.04);

  /* ========================================================================
     4. TYPOGRAPHY & PALETTE (16:1 OBSIDIAN CONTRAST ON PURE WHITE)
     ======================================================================== */
  --c-text-primary-light: #07111E;   /* Deep executive obsidian */
  --c-text-secondary-light: #334155; /* Sophisticated slate charcoal */
  --c-text-muted: #64748B;           /* Refined steel slate */
  --c-white: #FFFFFF;
  --c-border-light: #E2E8F0;

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', 'Courier New', monospace;

  --container-max: 1220px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --theme-transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--canvas-body-color);
  background-image: var(--canvas-bg);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--c-text-secondary-light);
  overflow-x: hidden;
  width: 100%;
  transition: var(--theme-transition);
}

body {
  margin: 0;
  width: 100%;
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--canvas-body-color);
  background-image: var(--canvas-bg);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--c-text-secondary-light);
  min-height: 100vh;
  overflow-x: hidden;
  transition: var(--theme-transition);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--c-text-primary-light);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.mono {
  font-family: var(--font-mono);
}

/* Precision Engineering Text Highlights (Solid, High-Contrast, No AI-style gradient clipping) */
.text-aurora-sharp {
  color: #38BDF8;
  display: inline;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.text-aurora-horizontal {
  color: #38BDF8;
  display: inline;
  font-weight: 800;
}

/* ==========================================================================
   NAVIGATION BAR: LIQUID SILVER FROSTED (STANDARDIZED & UNIFIED)
   ========================================================================== */
.editorial-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1.5px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 4px 24px rgba(12, 28, 52, 0.05);
  padding: 0;
  height: 86px;
  min-height: 86px;
  max-height: 86px;
  overflow: hidden;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
  flex-shrink: 0;
}

.editorial-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 32px rgba(12, 28, 52, 0.08);
  border-bottom-color: rgba(203, 213, 225, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  margin-top: 4px; /* Lower down slightly with comfortable breathing room from top border */
}

.nav-brand-logo-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(200, 214, 230, 0.75);
  box-shadow: 0 3px 12px rgba(12, 28, 52, 0.05), inset 0 1px 1px #FFFFFF;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  height: 50px;
  box-sizing: border-box;
}

.nav-brand-logo-pill:hover {
  transform: translateY(-1px) scale(1.015);
  box-shadow: 0 6px 20px rgba(8, 86, 200, 0.15), 0 0 12px rgba(0, 119, 255, 0.12);
}

.nav-brand-logo-pill img,
.updem-logo-final {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* Slogan Badge in Header (Optional) */
.ktu-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 3px 12px rgba(0, 112, 243, 0.15);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ktu-header-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--aurora-emerald);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
  animation: ktuPulse 2s infinite ease-in-out;
}

@keyframes ktuPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.6; }
}

.ktu-header-badge .txt {
  color: #0284C7;
  font-weight: 900;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
}

.nav-menu li {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-menu a {
  font-size: 0.94rem;
  font-weight: 700;
  color: #1E293B !important;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 4px;
  line-height: 1;
}

.nav-menu a:hover {
  color: #0062FF !important;
}

.nav-menu a.active {
  color: #0062FF !important;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--grad-aurora-horizontal);
  transition: width 0.25s ease;
  border-radius: 2px;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ==========================================================================
   BUTTONS: SHARP AURORA & MIRROR CHROME
   ========================================================================== */
.btn-editorial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  height: 44px;
  box-sizing: border-box;
  border-radius: var(--radius-pill);
  font-size: 0.93rem;
  font-weight: 800;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

/* High-Tech Enterprise Precision Blue Primary */
.btn-editorial-primary {
  background: linear-gradient(135deg, #0066FF 0%, #0856C8 100%);
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 
    0 6px 20px rgba(0, 102, 255, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.btn-editorial-primary:hover {
  background: linear-gradient(135deg, #1A75FF 0%, #064EBE 100%);
  box-shadow: 
    0 10px 26px rgba(0, 102, 255, 0.45),
    inset 0 1px 0 #FFFFFF;
  transform: translateY(-2px);
  color: #FFFFFF !important;
}

/* Mirror Chrome Ghost Button */
.btn-editorial-ghost {
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  color: #0F172A;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.btn-editorial-ghost:hover {
  background: #F8FAFC;
  border-color: #0062FF;
  color: #0062FF;
  box-shadow: 0 6px 18px rgba(0, 98, 255, 0.15);
  transform: translateY(-2px);
}

/* Outline Button */
.btn-editorial-outline {
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid #0062FF;
  color: #0062FF;
  box-shadow: 0 2px 8px rgba(0, 98, 255, 0.08);
}

.btn-editorial-outline:hover {
  background: var(--grad-aurora-sharp);
  color: #FFFFFF !important;
  border-color: transparent;
  box-shadow: var(--shadow-aurora-btn);
  transform: translateY(-2px);
}

/* ==========================================================================
   PAGE HEADER FOR SUB-PAGES (SOLUTIONS, TECHNOLOGY, INDUSTRIES, ABOUT, CONTACT)
   ========================================================================== */
.page-header {
  position: relative;
  background: transparent;
  padding: 55px 0 45px 0;
  text-align: left;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #64748B !important;
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.breadcrumbs a {
  color: #0856C8 !important;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(8, 86, 200, 0.3);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.breadcrumbs a:hover {
  color: #043E98 !important;
  text-decoration-color: #043E98;
}

.page-header h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--c-text-primary-light);
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.15rem;
  color: var(--c-text-secondary-light);
  max-width: 820px;
  line-height: 1.65;
}

/* ==========================================================================
   EDITORIAL HERO SECTION (FOR HOMEPAGE)
   ========================================================================== */
.editorial-hero {
  position: relative;
  padding: 22px 0 28px 0;
  background: transparent;
  overflow: hidden;
}

.hero-backdrop-img {
  display: none; /* Removed heavy dark backdrop in favor of shiny silver */
}

.hero-editorial-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.location-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(8, 86, 200, 0.35);
  box-shadow: 0 4px 14px rgba(8, 86, 200, 0.10);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #0062FF;
  background: #FFFFFF;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 98, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0, 98, 255, 0.08);
  margin-bottom: 14px;
}

.editorial-headline {
  font-size: clamp(1.85rem, 2.75vw, 2.55rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--c-text-primary-light);
  max-width: 860px;
  margin: 0 auto 12px;
}

.editorial-lead {
  font-size: clamp(0.92rem, 1.12vw, 1.02rem);
  line-height: 1.5;
  color: var(--c-text-secondary-light);
  max-width: 740px;
  margin: 0 auto 18px;
  font-weight: 500;
}

.editorial-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

/* ==========================================================================
   HERO PROOF CLUSTER: PRECISION CIRCULAR DIALS & ARCHITECTURE CAPSULE
   ========================================================================== */
.hero-proof-cluster {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
  width: 100%;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.proof-circles-group {
  display: flex;
  align-items: stretch;
  gap: 20px;
  width: 100%;
}

/* High-Tech Enterprise Metric Cards (Replaces cramped circular dials) */
.proof-metric-card,
.proof-circle-pod {
  flex: 1 1 0;
  min-width: 240px;
  width: auto;
  height: auto;
  border-radius: 16px;
  position: relative;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  box-shadow: 
    0 10px 30px rgba(15, 23, 42, 0.05),
    inset 0 1px 0 #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 24px 22px;
  box-sizing: border-box;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: default;
  overflow: hidden;
}

.proof-metric-card:hover,
.proof-circle-pod:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 18px 38px -6px rgba(0, 98, 255, 0.16),
    0 0 0 1px #0062FF;
  border-color: #0062FF;
}

.proof-metric-card::before,
.proof-circle-pod::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0062FF 0%, #00D2FF 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.proof-metric-card:hover::before,
.proof-circle-pod:hover::before {
  opacity: 1;
}

.circle-dial-svg {
  display: none !important;
}

.metric-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 12px;
}

.metric-pill-tag,
.circle-pill-tag {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.08);
  border: 1px solid rgba(0, 98, 255, 0.22);
  padding: 4px 10px;
  border-radius: 999px;
  line-height: 1;
  margin-bottom: 0;
  z-index: 2;
  display: inline-flex;
  align-items: center;
}

.metric-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pulse-emerald {
  background: #059669;
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.2);
}

.pulse-blue {
  background: #0062FF;
  box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.2);
}

.pulse-purple {
  background: #7C3AED;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.metric-card-val,
.circle-metric-val {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #0062FF;
  z-index: 2;
  margin: 0 0 6px 0;
}

.metric-card-val .metric-val-unit,
.circle-metric-val .circle-val-unit {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #0856C8;
  margin-left: 2px;
}

.metric-card-title,
.circle-metric-title {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 800;
  color: #07111E;
  line-height: 1.3;
  z-index: 2;
  margin-bottom: 6px;
}

.metric-card-sub,
.circle-metric-sub {
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 500;
  color: #334155;
  line-height: 1.45;
  max-width: none;
  z-index: 2;
}

/* Architecture Ribbon Beneath Proof Dials */
.proof-architecture-ribbon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  border-radius: var(--radius-pill);
  padding: 9px 22px;
  margin-top: 18px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  transition: all 0.3s ease;
  color: #334155;
}

.proof-architecture-ribbon:hover {
  background: #FFFFFF;
  border-color: #0062FF;
  box-shadow: 0 12px 30px rgba(0, 98, 255, 0.12);
  transform: translateY(-2px);
}

.ribbon-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 98, 255, 0.08);
  border: 1px solid rgba(0, 98, 255, 0.22);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  color: #0062FF;
  white-space: nowrap;
}

.ribbon-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #059669;
  box-shadow: 0 0 8px #059669;
  display: inline-block;
  animation: pulse-ring 2s infinite;
}

.ribbon-text {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: #334155;
  line-height: 1.4;
}

.ribbon-text strong {
  color: #07111E;
  font-weight: 700;
}

.ribbon-protocols {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.ribbon-protocols .proto-badge {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: #0F172A;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 6px;
  padding: 4px 9px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
  white-space: nowrap;
}

.proto-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.proto-dot-cyan { background: #0062FF; box-shadow: 0 0 5px #0062FF; }
.proto-dot-emerald { background: #059669; box-shadow: 0 0 5px #059669; }
.proto-dot-blue { background: #0856C8; box-shadow: 0 0 5px #0856C8; }
.proto-dot-purple { background: #7C3AED; box-shadow: 0 0 5px #7C3AED; }

/* ==========================================================================
   SECTION STYLING: EDITORIAL SECTIONS
   ========================================================================== */
.editorial-section {
  padding: 60px 0;
  position: relative;
}

.editorial-section-alt {
  padding: 70px 0;
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0062FF;
  background: #FFFFFF;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1.5px solid rgba(0, 98, 255, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 3px 10px rgba(0, 98, 255, 0.06);
  margin-bottom: 14px;
}

.section-h2 {
  font-size: clamp(2.1rem, 3.6vw, 3.1rem);
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--c-text-primary-light);
}

.section-lead {
  font-size: 1.08rem;
  color: var(--c-text-secondary-light);
  max-width: 760px;
  line-height: 1.65;
}

/* Content Blocks & Feature Split */
.content-block {
  margin-bottom: 48px;
}

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-split.reverse {
  grid-template-columns: 1fr 1fr;
}

.feature-photo-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid #FFFFFF;
  box-shadow: 0 20px 50px rgba(25, 45, 75, 0.12), var(--shadow-aurora-neon);
  position: relative;
}

.feature-photo-wrapper img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.photo-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(8, 20, 36, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.feature-text h3 {
  font-size: 2.2rem;
  line-height: 1.2;
  margin: 14px 0 20px;
}

.feature-text p {
  font-size: 1rem;
  color: var(--c-text-secondary-light);
  line-height: 1.65;
  margin-bottom: 18px;
}

/* ==========================================================================
   30-DAY IN-SERVICE PILOT STEPPER & SPOTLIGHT CONSOLE
   ========================================================================== */
.pilot-stepper-console {
  display: grid;
  grid-template-columns: 370px 1fr;
  gap: 28px;
  align-items: stretch;
  margin-top: 36px;
}

/* Left Stepper Navigation Rail */
.stepper-nav-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.stepper-nav-item {
  background: rgba(255, 255, 255, 0.88);
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
  position: relative;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  user-select: none;
  box-shadow: 0 4px 14px rgba(12, 28, 52, 0.04);
}

.stepper-nav-item:hover {
  background: #FFFFFF;
  border-color: rgba(0, 98, 255, 0.35);
  transform: translateX(4px);
  box-shadow: 0 8px 22px rgba(12, 28, 52, 0.08);
}

.stepper-nav-item.active {
  background: #FFFFFF;
  border-color: #0062FF;
  box-shadow: 0 12px 28px -6px rgba(0, 98, 255, 0.16), 0 0 0 1px #0062FF;
  transform: translateX(6px);
}

.stepper-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, #0066FF, #0856C8);
}

.stepper-nav-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 98, 255, 0.08);
  border: 1.5px solid rgba(0, 98, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 900;
  color: #0062FF;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.stepper-nav-item.active .stepper-nav-num {
  background: linear-gradient(135deg, #0066FF 0%, #0856C8 100%);
  border-color: #0062FF;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 98, 255, 0.35);
}

.stepper-nav-item.highlight .stepper-nav-num {
  border-color: #059669;
  color: #059669;
}

.stepper-nav-item.highlight.active .stepper-nav-num {
  background: #059669;
  border-color: #059669;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.stepper-nav-text {
  flex: 1;
}

.stepper-nav-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.stepper-nav-pill {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stepper-nav-item.active .stepper-nav-pill {
  color: #0062FF;
  font-weight: 800;
}

.stepper-nav-item.highlight .stepper-nav-pill {
  color: #059669;
}

.stepper-nav-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 800;
  color: #07111E;
  line-height: 1.3;
  margin-bottom: 3px;
  transition: color 0.2s ease;
}

.stepper-nav-item.active .stepper-nav-title {
  color: #0062FF;
}

.stepper-nav-sub {
  font-size: 0.77rem;
  color: #475569;
  line-height: 1.4;
}

/* Right Active Stage Spotlight Display */
.stepper-spotlight-display {
  background: var(--card-shiny-silver);
  border: 1.5px solid var(--card-shiny-border);
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 34px 34px 28px 34px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
}

.spotlight-pane {
  display: none;
  flex-direction: column;
  gap: 20px;
}

.spotlight-pane.active {
  display: flex;
  animation: fadeInSpotlight 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInSpotlight {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.spotlight-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spotlight-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.spotlight-phase-tag {
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 800;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.08);
  border: 1px solid rgba(0, 98, 255, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spotlight-status-badge {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  color: #059669;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.spotlight-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: #07111E;
  line-height: 1.25;
}

.spotlight-desc {
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.6;
}

/* 3-Col Spec Grid */
.spotlight-spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: #FFFFFF;
  border: 1px solid rgba(200, 214, 230, 0.85);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 4px 14px rgba(12, 28, 52, 0.04);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-val {
  font-size: 0.85rem;
  font-weight: 800;
  color: #07111E;
}

/* High-Tech Blueprint Schematic Box */
.spotlight-schematic-box {
  background: linear-gradient(175deg, #0D1726 0%, #080E1A 60%, #050A14 100%);
  border: 1.5px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: 
    0 0 0 1px rgba(148, 163, 184, 0.15),
    0 18px 45px -8px rgba(0, 30, 70, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 0 32px rgba(0, 180, 255, 0.04);
  color: #E2F1FF;
  position: relative;
  overflow: hidden;
  transition: var(--theme-transition);
}

.spotlight-schematic-box::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.schematic-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.schematic-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  color: #00D2FF;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.schematic-indicator {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  color: #05E598;
  display: flex;
  align-items: center;
  gap: 5px;
  letter-spacing: 0.03em;
}

.schematic-indicator::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #05E598;
  box-shadow: 0 0 6px #05E598;
}

.schematic-body {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #B0C7DE;
}

/* Deliverable Banner */
.spotlight-deliverable-bar {
  background: rgba(0, 119, 255, 0.06);
  border: 1px solid rgba(0, 119, 255, 0.2);
  border-left: 4px solid #0077FF;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.deliverable-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.deliverable-kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: #0077FF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.deliverable-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #05101C;
}

.deliverable-action .btn-editorial {
  padding: 9px 18px;
  font-size: 13.5px;
}

@media (max-width: 960px) {
  .pilot-stepper-console {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .spotlight-spec-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

.step-body h5 {
  font-size: 0.98rem;
  font-weight: 800;
  color: #05101C;
  margin-bottom: 4px;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--c-text-secondary-light);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .paradox-metric-ribbon {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center !important;
  }
  .metric-ribbon-col.updem, .metric-ribbon-col.legacy {
    text-align: center !important;
  }
  .metric-ribbon-vs {
    margin: 0 auto;
  }
  .paradox-stream-grid {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 36px;
  }
  .paradox-stream-divider {
    display: none;
  }
}

.paradox-list {
  list-style: none;
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.paradox-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  line-height: 1.52;
}

.list-x {
  color: #DC2626;
  font-weight: 900;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.list-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(8, 86, 200, 0.25);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38BDF8;
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.list-bullet {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #38BDF8;
  margin-right: 12px;
  margin-top: 8px;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.scenario-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.scenario-dot.dot-alert { background: #EF4444; box-shadow: 0 0 6px rgba(239, 68, 68, 0.5); }
.scenario-dot.dot-warn { background: #EAB308; box-shadow: 0 0 6px rgba(234, 179, 8, 0.5); }
.scenario-dot.dot-caution { background: #F97316; box-shadow: 0 0 6px rgba(249, 115, 22, 0.5); }
.scenario-dot.dot-normal { background: #10B981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.5); }

/* ==========================================================================
   CASE STUDY CALLOUT BANNER
   ========================================================================== */
.case-study-banner {
  background: var(--card-shiny-silver);
  border: 2px solid #FFFFFF;
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 38px 42px;
  margin-top: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  position: relative;
  overflow: hidden;
}



.case-study-banner h4 {
  font-size: 1.45rem;
  margin: 10px 0 12px;
}

.case-study-banner p {
  font-size: 0.96rem;
  color: var(--c-text-secondary-light);
  line-height: 1.6;
}

.case-quote-box {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid #CBD5E1;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  font-style: italic;
  color: var(--c-text-secondary-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.case-author {
  margin-top: 14px;
  font-style: normal;
  font-weight: 800;
  font-size: 0.84rem;
  color: #0070F3;
}

/* ==========================================================================
   GRID CARDS (SOLUTIONS & INDUSTRIES PAGES)
   ========================================================================== */
.editorial-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 36px;
}

.editorial-card {
  background: var(--card-shiny-silver);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--card-shiny-border);
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.editorial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px -10px rgba(10, 20, 35, 0.45);
  border-color: rgba(56, 189, 248, 0.5);
}

.editorial-card-tag {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(8, 86, 200, 0.2);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  color: #38BDF8;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-weight: 800;
  display: inline-block;
  margin-bottom: 18px;
}

.editorial-card h4 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.editorial-card p {
  font-size: 0.94rem;
  color: var(--c-text-secondary-light);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ==========================================================================
   FAQ ACCORDION COMPONENT (SOLUTIONS & TECHNOLOGY PAGES)
   ========================================================================== */
.faq-accordion {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--card-shiny-silver);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 18px rgba(25, 45, 75, 0.08);
  overflow: hidden;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item:hover {
  border-color: rgba(0, 180, 255, 0.6);
  box-shadow: 0 8px 25px rgba(0, 119, 255, 0.12);
}

.faq-item.active {
  background: rgba(255, 255, 255, 0.95);
  border-color: #0284C7;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-text-primary-light);
  gap: 18px;
  transition: color 0.2s ease;
  line-height: 1.35;
}

.faq-question:hover {
  color: #0077FF;
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 119, 255, 0.08);
  border: 1.5px solid rgba(0, 119, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: #0077FF;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  background: var(--grad-aurora-sharp);
  color: #FFFFFF;
  border-color: #FFFFFF;
  transform: rotate(45deg);
  box-shadow: 0 4px 12px rgba(0, 119, 255, 0.35);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 26px;
  font-size: 0.95rem;
  line-height: 1.68;
  color: var(--c-text-secondary-light);
  transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-answer {
  max-height: 320px;
  opacity: 1;
  padding: 0 26px 24px 26px;
}

/* ==========================================================================
   TECHNICAL TABLES
   ========================================================================== */
.tech-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 28px 0;
  background: #FFFFFF;
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  box-shadow: 0 16px 40px rgba(12, 28, 52, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.tech-table th, .tech-table td {
  padding: 18px 22px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  text-align: left;
  font-size: 14.5px;
  line-height: 1.55;
  vertical-align: top;
}

.tech-table th {
  background: #F8FAFC;
  font-family: var(--font-heading);
  font-weight: 800;
  color: #07111E !important;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  border-bottom: 2px solid rgba(200, 214, 230, 0.9);
}

.tech-table td {
  color: #334155;
}

.tech-table td strong {
  color: #07111E;
  font-weight: 700;
}

/* Left Parameter column styling */
.tech-table td:first-child {
  color: #07111E;
  font-weight: 700;
  background: #F8FAFC;
  border-right: 1px solid rgba(226, 232, 240, 0.9);
}

/* Updem AE Highlighted Center Column */
.tech-table th.tech-table-highlight {
  background: linear-gradient(180deg, #F0F6FE 0%, #E6F0FA 100%) !important;
  color: #0856C8 !important;
  border-left: 2px solid #0856C8;
  border-right: 2px solid #0856C8;
  border-bottom: 2px solid #0856C8;
}

.tech-table td.tech-table-highlight {
  background: rgba(8, 86, 200, 0.04) !important;
  border-left: 2px solid #0856C8;
  border-right: 2px solid #0856C8;
  color: #07111E !important;
}

.tech-table td.tech-table-highlight strong {
  color: #0856C8 !important;
  font-weight: 700;
}

.tech-table tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   CONTACT PAGE LAYOUT & FORMS
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
  margin-top: 20px;
}

.contact-info-card {
  background: var(--card-shiny-silver);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--card-shiny-border);
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.contact-item {
  margin-bottom: 24px;
}

.contact-item-lbl {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  color: #0062FF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.35;
}

.contact-item-val {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--c-text-primary-light);
  line-height: 1.5;
  font-weight: 600;
}

.contact-link-tile {
  display: block;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 16px;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.contact-link-tile:hover {
  transform: translateY(-2px);
  border-color: #0062FF;
  box-shadow: 0 10px 24px rgba(0, 98, 255, 0.10);
}

.contact-link-tile-lbl {
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 800;
  color: #0062FF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contact-link-tile-val {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: #07111E;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}


.form-box {
  background: var(--card-shiny-silver);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1.5px solid var(--card-shiny-border);
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(180, 200, 220, 0.6);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--c-text-primary-light);
  background: #FFFFFF;
  transition: all 0.2s ease;
  margin-bottom: 16px;
}

.form-control:focus {
  outline: none;
  border-color: #0284C7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
}

/* ==========================================================================
   EDITORIAL FOOTER
   ========================================================================== */
.editorial-footer {
  background: #F8FAFC;
  color: #475569;
  padding: 56px 0 28px 0;
  border-top: 1.5px solid #E2E8F0;
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.02);
  font-size: 14px;
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.footer-logo-wrap {
  display: inline-block;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin-bottom: 16px;
}

.footer-logo-wrap:hover {
  transform: none;
  border: none !important;
  box-shadow: none !important;
}

.editorial-footer .nav-brand-logo-pill,
.editorial-footer .footer-logo-wrap {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  height: auto !important;
  margin-bottom: 16px;
}

.footer-logo-img,
.editorial-footer .updem-logo-final {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-brand-logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
}

.editorial-footer h5 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  color: #07111E;
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.footer-nav-list a {
  color: #475569;
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 13.5px;
}

.footer-nav-list a:hover {
  color: #0062FF;
  transform: translateX(2px);
}

.footer-bottom-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #E2E8F0;
  font-size: 0.82rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-bar a {
  color: #64748B;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom-bar a:hover {
  color: #0062FF;
}

/* Spec Sheet Modal (Technical Specifications) */
.spec-sheet-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 25, 45, 0.65);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.spec-sheet-modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.spec-sheet-document {
  background: linear-gradient(160deg, #FFFFFF 0%, #F5F9FD 100%);
  border: 2px solid #FFFFFF;
  box-shadow: 0 25px 70px rgba(10, 30, 60, 0.25), var(--shadow-aurora-neon);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  color: var(--c-text-primary-light);
}



.spec-sheet-modal-backdrop.open .spec-sheet-document {
  transform: translateY(0);
}

.spec-modal-close-btn {
  position: absolute;
  top: 22px;
  right: 22px;
  font-size: 1.7rem;
  color: var(--c-text-muted);
  cursor: pointer;
  line-height: 1;
}

.spec-modal-close-btn:hover {
  color: var(--c-text-primary-light);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.88rem;
}

.spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(0, 50, 100, 0.1);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   Interactive AI Engine & Acoustic Emission Simulator (Technology Page)
   ========================================================================== */
.ae-feature-card {
  transition: all 0.2s ease;
  user-select: none;
  background: rgba(14, 22, 32, 0.8) !important;
  border: 1.5px solid rgba(200, 214, 230, 0.85) !important;
  border-radius: var(--radius-sm);
  padding: 16px;
  cursor: pointer;
  color: #07111E !important;
  box-shadow: 0 4px 14px rgba(12, 28, 52, 0.04);
}

.ae-feature-card:hover {
  border-color: #0856C8 !important;
  background: #F8FAFC !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(8, 86, 200, 0.15);
}

.ae-feature-card.active {
  border-color: #0856C8 !important;
  background: #FFFFFF !important;
  box-shadow: 0 10px 28px rgba(8, 86, 200, 0.20), inset 0 0 0 1px #0856C8 !important;
}

.simulator-card {
  background: var(--card-shiny-silver);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1.5px solid var(--card-shiny-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--c-text-primary-light);
  box-shadow: var(--card-shiny-shadow);
  margin: 36px 0;
  position: relative;
  overflow: hidden;
}

.simulator-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1.5px solid rgba(200, 214, 230, 0.8);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.simulator-title h3 {
  font-size: 1.35rem;
  color: #07111E !important;
  margin-bottom: 6px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.simulator-title p {
  font-size: 0.92rem;
  color: #334155 !important;
  margin: 0;
  line-height: 1.55;
}

.simulator-header .btn-editorial-outline {
  background: rgba(255, 255, 255, 0.9) !important;
  border: 1.5px solid #0856C8 !important;
  color: #0856C8 !important;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(8, 86, 200, 0.10);
  transition: all 0.2s ease;
}

.simulator-header .btn-editorial-outline:hover {
  background: linear-gradient(135deg, #0A6CE8 0%, #0856C8 50%, #043E98 100%) !important;
  color: #FFFFFF !important;
  border-color: transparent !important;
  box-shadow: 0 6px 20px rgba(8, 86, 200, 0.45);
  transform: translateY(-2px);
}

.signal-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.signal-pill {
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  color: #0F172A;
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(12, 28, 52, 0.04);
  transition: all 0.2s ease;
}

.signal-pill:hover {
  border-color: #0856C8;
  color: #0856C8;
  background: #F8FAFC;
  transform: translateY(-1px);
}

.signal-pill.active {
  background: linear-gradient(135deg, #0A6CE8 0%, #0856C8 50%, #043E98 100%);
  border-color: #0856C8;
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(8, 86, 200, 0.35);
}

.simulator-canvas-wrapper {
  position: relative;
  background: #06101D;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.7), 0 4px 16px rgba(0, 0, 0, 0.35);
}

.simulator-canvas-wrapper canvas {
  display: block;
  width: 100%;
  height: auto;
}

.simulator-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.btn-transducer-listen {
  background: linear-gradient(135deg, #0A6CE8 0%, #0856C8 50%, #043E98 100%);
  color: #FFFFFF;
  font-weight: 800;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-aurora-btn);
  transition: all 0.2s ease;
}

.btn-transducer-listen:hover {
  background: linear-gradient(135deg, #1C7DF8 0%, #0961DE 50%, #0647B2 100%);
  box-shadow: var(--shadow-aurora-btn-hover);
  transform: translateY(-2px);
}

.btn-transducer-listen.active {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  color: #FFFFFF;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.status-normal {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-alert {
  background: rgba(220, 38, 38, 0.15);
  color: #F87171;
  border: 1.5px solid rgba(220, 38, 38, 0.5);
  animation: pulseAlert 2s infinite;
}

.status-warning {
  background: rgba(217, 119, 6, 0.15);
  color: #FBBF24;
  border: 1.5px solid rgba(217, 119, 6, 0.5);
}

.telemetry-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.telemetry-metric-item {
  background: #FFFFFF;
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: 0 4px 14px rgba(12, 28, 52, 0.04);
}

.telemetry-metric-label {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  font-weight: 700;
}

.telemetry-metric-value {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #07111E !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-proof-bar {
    grid-template-columns: 1fr;
  }
  .paradox-grid {
    grid-template-columns: 1fr;
  }
  .feature-split {
    grid-template-columns: 1fr;
  }
  .case-study-banner {
    grid-template-columns: 1fr;
  }
  .editorial-grid-3 {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta-group {
    display: none;
  }
  .footer-columns {
    grid-template-columns: 1fr;
  }
  .telemetry-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   INTERACTIVE SHOWCASE CONSOLE & ROI SIMULATOR
   ========================================================================== */
.interactive-showcase-card {
  background: var(--card-shiny-silver);
  border: 1px solid var(--card-shiny-border);
  box-shadow: var(--card-shiny-shadow);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-top: 24px;
}

.console-tab-nav {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.console-tab-btn {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.9);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--c-text-secondary-light);
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.console-tab-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  color: #0077FF;
  transform: translateY(-1px);
}

.console-tab-btn.active {
  background: var(--grad-aurora-sharp);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: var(--shadow-aurora-btn);
}

.console-pane {
  display: none;
  animation: fadeIn 0.3s ease forwards;
}

.console-pane.active {
  display: block;
}

/* Control Pills */
.console-pill-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.console-pill-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin-right: 6px;
}

.asset-select-pill, .scenario-select-pill {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.84rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  transition: all 0.2s ease;
}

.asset-select-pill:hover, .scenario-select-pill:hover {
  background: #FFFFFF;
  border-color: #0062FF;
  color: #0062FF;
  transform: translateY(-1px);
}

.asset-select-pill.active {
  background: linear-gradient(135deg, #0066FF 0%, #0856C8 100%);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 98, 255, 0.25);
}

.scenario-select-pill.active {
  background: linear-gradient(135deg, #0066FF 0%, #0856C8 100%);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 98, 255, 0.25);
}

/* Telemetry Grid Layout */
.telemetry-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 24px;
  margin-top: 16px;
}

.schematic-wrapper {
  background: #080D15;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.schematic-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
}

.schematic-title {
  color: #F8FAFC;
  font-weight: 700;
  font-size: 0.95rem;
}

.schematic-sub {
  font-size: 0.75rem;
  color: #94A3B8;
  font-family: var(--font-mono);
}

.schematic-viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

/* Hotspot Pin */
.hotspot-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 20;
  pointer-events: none;
}

.hotspot-radar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #F43F5E;
  background: rgba(244, 63, 94, 0.25);
  animation: pulsePing 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hotspot-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #F43F5E;
  box-shadow: 0 0 12px #F43F5E;
}

.hotspot-label {
  position: absolute;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid #F43F5E;
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(0,0,0,0.6);
  pointer-events: none;
}

@keyframes pulsePing {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Telemetry Screen Box (Right Column) */
.telemetry-screen-box {
  background: linear-gradient(175deg, #0B121E 0%, #070C15 60%, #04080F 100%);
  border: 1.5px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 
    0 0 0 1px rgba(148, 163, 184, 0.15),
    0 18px 45px -8px rgba(0, 30, 70, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 0 32px rgba(0, 180, 255, 0.04);
  transition: var(--theme-transition);
}

.waveform-canvas-container {
  width: 100%;
  height: 155px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #060B11;
}

.waveform-canvas-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Feature Metrics Readout Grid */
.feature-readout-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.feature-readout-cell {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 8px 10px;
  text-align: center;
}

.feature-readout-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: #94A3B8;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.feature-readout-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: #38BDF8;
}

/* AI Directive Card */
.directive-card {
  background: rgba(15, 23, 42, 0.85);
  border-left: 3px solid #00D2FF;
  border-radius: 0 6px 6px 0;
  padding: 12px 16px;
}

.directive-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.status-badge-good {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge-critical {
  background: rgba(244, 63, 94, 0.2);
  color: #F43F5E;
  border: 1px solid rgba(244, 63, 94, 0.45);
}

.status-badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.45);
}

.status-badge-info {
  background: rgba(56, 189, 248, 0.2);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.45);
}

.directive-text {
  font-size: 0.82rem;
  color: #E2E8F0;
  line-height: 1.45;
  margin-bottom: 8px;
}

.directive-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #94A3B8;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 6px;
}

/* =========================================================================
   ROI SIMULATOR STYLES
   ========================================================================= */
.roi-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.25fr;
  gap: 28px;
  align-items: start;
}

.roi-inputs-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 12px 30px rgba(12, 28, 52, 0.06), inset 0 1px 0 #FFFFFF;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.roi-input-group {
  margin-bottom: 22px;
}

.roi-input-group:last-child {
  margin-bottom: 0;
}

.roi-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.roi-label-text {
  font-weight: 700;
  font-size: 0.92rem;
  color: #07111E;
}

.roi-val-badge {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.08);
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid rgba(0, 98, 255, 0.25);
  letter-spacing: 0.01em;
}

.roi-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #E2E8F0;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--grad-aurora-sharp);
  box-shadow: 0 2px 6px rgba(0, 98, 255, 0.4);
  cursor: pointer;
  border: 2px solid #FFFFFF;
  transition: transform 0.15s ease;
}

.roi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.roi-slider-hint {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-top: 4px;
}

/* ROI Results Box */
.roi-results-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  border-radius: var(--radius-md);
  padding: 26px;
  color: #07111E;
  box-shadow: 0 12px 30px rgba(12, 28, 52, 0.06), inset 0 1px 0 #FFFFFF;
  transition: var(--theme-transition);
}

.roi-results-header {
  border-bottom: 1px solid rgba(200, 214, 230, 0.8);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.roi-results-header h4 {
  font-family: var(--font-heading);
  color: #07111E;
  font-size: 1.1rem;
  margin-bottom: 4px;
  font-weight: 800;
}

.roi-results-header p {
  color: #64748B;
  font-size: 0.8rem;
}

.roi-cards-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.roi-kpi-card {
  background: #F8FAFC;
  border: 1.5px solid rgba(200, 214, 230, 0.85);
  border-radius: 8px;
  padding: 14px;
}

.roi-kpi-card.highlight {
  border-color: rgba(0, 98, 255, 0.4);
  background: linear-gradient(135deg, #F0F6FE 0%, #E8F2FC 100%);
}

.roi-kpi-title {
  font-size: 0.74rem;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: #64748B;
  margin-bottom: 4px;
  font-weight: 700;
}

.roi-kpi-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: #0062FF;
}

.roi-kpi-card.highlight .roi-kpi-num {
  color: #059669;
}

.roi-kpi-desc {
  font-size: 0.72rem;
  color: #64748B;
  margin-top: 4px;
}

.roi-cta-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE NAVIGATION
   ========================================================================== */
.nav-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.75);
  border: 1.5px solid rgba(0, 119, 255, 0.22);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  box-shadow: 0 4px 12px rgba(0, 119, 255, 0.08);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
}

.nav-mobile-toggle:hover {
  background: #FFFFFF;
  border-color: #0077FF;
  box-shadow: 0 6px 18px rgba(0, 119, 255, 0.2);
  transform: translateY(-1px);
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2.2px;
  background: #0077FF;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

.nav-mobile-toggle.is-active .hamburger-bar:nth-child(1) {
  transform: translateY(7.2px) rotate(45deg);
}

.nav-mobile-toggle.is-active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-mobile-toggle.is-active .hamburger-bar:nth-child(3) {
  transform: translateY(-7.2px) rotate(-45deg);
}

/* Mobile Drawer Overlay */
.nav-mobile-drawer {
  position: absolute;
  top: 82px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1.5px solid rgba(200, 214, 230, 0.9);
  box-shadow: 0 20px 45px rgba(12, 28, 52, 0.12);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.38s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.28s ease;
  z-index: 999;
}

.nav-mobile-drawer.is-open {
  max-height: 520px;
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-inner {
  padding: 20px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.mobile-nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: #0F172A;
  text-decoration: none;
  background: transparent;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: rgba(8, 86, 200, 0.08);
  border-color: rgba(8, 86, 200, 0.25);
  color: #0856C8;
  padding-left: 20px;
}

.mobile-nav-link::after {
  content: '→';
  font-size: 1.05rem;
  opacity: 0.45;
  transition: transform 0.2s ease;
}

.mobile-nav-link:hover::after {
  transform: translateX(4px);
  opacity: 1;
}

.mobile-drawer-cta {
  padding-top: 10px;
  border-top: 1px solid rgba(200, 214, 230, 0.8);
}

.mobile-drawer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: #64748B;
  padding-top: 2px;
}

.mobile-drawer-meta a {
  color: #0856C8;
  font-weight: 700;
  text-decoration: none;
}

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE ENGINE (TABLETS & PHONES)
   ========================================================================== */

/* 1. TABLET BREAKPOINT (max-width: 1024px) */
@media (max-width: 1024px) {
  .editorial-nav {
    height: 70px;
  }
  .nav-mobile-drawer {
    top: 70px;
  }
  .nav-menu, .nav-cta-group {
    display: none !important;
  }
  .nav-mobile-toggle {
    display: flex;
  }

  .container {
    padding: 0 20px;
  }

  .editorial-hero {
  position: relative;
  padding: 22px 0 28px 0;
  background: transparent;
  overflow: hidden;
}

  .editorial-headline {
  font-size: clamp(1.85rem, 2.75vw, 2.55rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--c-text-primary-light);
  max-width: 860px;
  margin: 0 auto 12px;
}

  .editorial-lead {
  font-size: clamp(0.92rem, 1.12vw, 1.02rem);
  line-height: 1.5;
  color: var(--c-text-secondary-light);
  max-width: 740px;
  margin: 0 auto 18px;
  font-weight: 500;
}

  .hero-proof-cluster {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 18px;
  margin-top: 0;
  width: 100%;
}

  .pilot-stepper-console {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .stepper-nav-rail {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .spotlight-spec-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .telemetry-layout-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .roi-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature-split, .feature-split.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-study-banner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .editorial-grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  /* Proof ribbon wraps gracefully on tablet */
  .proof-architecture-ribbon {
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 16px;
    justify-content: flex-start;
  }

  .ribbon-text {
    flex: 1 1 100%;
  }
}

/* 2. PHABLET / MOBILE BREAKPOINT (max-width: 768px) */
@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .editorial-nav {
    height: 64px;
  }
  .nav-mobile-drawer {
    top: 64px;
  }
  .nav-brand-logo-pill {
    height: 44px;
    padding: 2px 4px;
  }
  .nav-brand-logo-pill img {
    height: 32px;
  }

  .container {
    padding: 0 16px;
  }

  .editorial-section {
    padding: 48px 0;
  }
  .editorial-section-alt {
    padding: 52px 0;
  }

  .editorial-hero {
  position: relative;
  padding: 22px 0 28px 0;
  background: transparent;
  overflow: hidden;
}

  .hero-backdrop-img {
    opacity: 0.16;
  }

  .editorial-headline {
  font-size: clamp(1.85rem, 2.75vw, 2.55rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--c-text-primary-light);
  max-width: 860px;
  margin: 0 auto 12px;
}

  .editorial-lead {
  font-size: clamp(0.92rem, 1.12vw, 1.02rem);
  line-height: 1.5;
  color: var(--c-text-secondary-light);
  max-width: 740px;
  margin: 0 auto 18px;
  font-weight: 500;
}

  .editorial-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

  .editorial-actions .btn-editorial {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 13px 20px;
    font-size: 14.5px;
  }

  .hero-proof-cluster {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    width: 100%;
  }

  .proof-metric-card,
  .proof-circle-pod {
    width: 100%;
    min-width: 0;
    padding: 20px 18px;
  }

  .proof-architecture-ribbon {
    flex-wrap: wrap;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    gap: 10px;
    text-align: center;
  }

  .ribbon-protocols {
    justify-content: center;
  }

  .proof-val {
    font-size: 1.65rem;
    margin-bottom: 6px;
  }

  .proof-desc {
    font-size: 0.86rem;
  }

  .proof-proto-strip {
    gap: 5px;
    margin-top: 12px;
    padding-top: 10px;
  }

  .proof-proto-chip {
    font-size: 0.72rem;
    padding: 3px 8px;
  }

  /* Pilot Stepper Mobile */
  .stepper-nav-rail {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .stepper-nav-item {
    padding: 12px 14px;
  }

  .spotlight-deliverable-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    text-align: left;
  }

  .spotlight-deliverable-bar .btn-editorial {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Interactive Showcase / Console Mobile */
  .interactive-showcase-card {
    padding: 18px 14px;
    border-radius: 18px;
  }

  .console-tab-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .console-tab-nav::-webkit-scrollbar {
    display: none;
  }

  .console-tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.84rem;
  }

  .console-pill-bar {
    flex-wrap: wrap;
    gap: 6px;
  }

  .asset-select-pill {
    font-size: 0.76rem;
    padding: 5px 12px;
  }

  .telemetry-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .feature-readout-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .feature-readout-cell {
    padding: 10px 8px;
  }

  .feature-readout-label {
    font-size: 0.7rem;
  }

  .feature-readout-val {
    font-size: 1.15rem;
  }

  .roi-cards-2x2 {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .roi-kpi-card {
    padding: 12px;
  }

  .roi-kpi-num {
    font-size: 1.38rem;
  }

  .roi-cta-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .roi-cta-row .btn-editorial {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Grids & Cards */
  .editorial-grid-3 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 26px;
    text-align: left;
  }

  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Tables & Modals */
  .spec-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  .spec-table {
    font-size: 0.82rem;
  }

  .spec-modal-actions {
    flex-direction: column;
    align-items: stretch !important;
    gap: 14px;
  }

  .spec-modal-actions .btn-editorial {
    width: 100%;
    justify-content: center;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* 3. SMALL PHONE BREAKPOINT (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }

  .editorial-headline {
  font-size: clamp(1.85rem, 2.75vw, 2.55rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--c-text-primary-light);
  max-width: 860px;
  margin: 0 auto 12px;
}

  .editorial-lead {
  font-size: clamp(0.92rem, 1.12vw, 1.02rem);
  line-height: 1.5;
  color: var(--c-text-secondary-light);
  max-width: 740px;
  margin: 0 auto 18px;
  font-weight: 500;
}

  .proof-val {
    font-size: 1.5rem;
  }

  .proof-desc {
    font-size: 0.82rem;
  }

  .proof-gauge-circle {
    width: 44px;
    height: 44px;
  }

  .telemetry-metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .feature-readout-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .feature-readout-val {
    font-size: 1.05rem;
  }

  .roi-kpi-num {
    font-size: 1.25rem;
  }

  .stepper-nav-title {
    font-size: 0.86rem;
  }

  .stepper-nav-sub {
    font-size: 0.74rem;
  }
}

/* ==========================================================================
   Engineering Principles & About Communication Channels
   ========================================================================== */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 28px;
}

@media (max-width: 768px) {
  .principles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.principle-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 30px 28px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0062FF 0%, #38BDF8 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.principle-card:hover {
  transform: translateY(-3px);
  border-color: #0062FF;
  box-shadow: 0 14px 34px rgba(0, 98, 255, 0.10);
}

.principle-card:hover::before {
  opacity: 1;
}

.principle-card-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 16px;
}

.principle-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.07);
  border: 1px solid rgba(0, 98, 255, 0.22);
  border-radius: 9999px;
  padding: 5px 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

.principle-tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0062FF;
  display: inline-block;
}

.principle-card h4 {
  font-family: var(--font-heading);
  font-size: 1.16rem;
  font-weight: 800;
  color: #07111E;
  margin-bottom: 10px;
  line-height: 1.35;
}

.principle-card p {
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: #475569;
  line-height: 1.7;
  margin: 0;
}

/* About Contact & Communication Banner */
.about-contact-banner {
  margin-top: 52px;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 20px;
  padding: 34px 32px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04);
}

.about-channel-card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  padding: 12px 20px;
  border-radius: 14px;
  text-decoration: none;
  color: #07111E;
  font-family: var(--font-heading);
  transition: all 0.25s ease;
}

.about-channel-card:hover {
  background: #FFFFFF;
  border-color: #0062FF;
  box-shadow: 0 8px 24px rgba(0, 98, 255, 0.12);
  transform: translateY(-2px);
}

.about-channel-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 98, 255, 0.10);
  color: #0062FF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Engineering Insights (Blog Hub & Technical Article Template)
   ========================================================================== */

/* Blog Hub Hero */
.blog-hero {
  padding: 42px 0 36px;
  text-align: center;
  position: relative;
}

.blog-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  color: #07111E;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 14px;
}

.blog-hero-sub {
  font-family: var(--font-body);
  font-size: 1.12rem;
  color: #475569;
  max-width: 680px;
  margin: 0 auto 26px;
  line-height: 1.68;
}

/* Pillar Filter Pills */
.pillar-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.pillar-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: #334155;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 9999px;
  padding: 8px 18px;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.pillar-pill:hover,
.pillar-pill.active {
  background: #0062FF;
  color: #FFFFFF;
  border-color: #0062FF;
  box-shadow: 0 6px 18px rgba(0, 98, 255, 0.25);
  transform: translateY(-1px);
}

.pillar-pill.active .pillar-pill-dot {
  background: #FFFFFF;
}

.pillar-pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #0062FF;
  display: inline-block;
  transition: background 0.25s ease;
}

/* Featured Article Card (Pure Technical Layout - No Picture) */
.blog-featured-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-left: 5px solid #0062FF;
  border-radius: 20px;
  padding: 44px 48px;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.04);
  margin-bottom: 56px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  position: relative;
}

.blog-featured-card:hover {
  transform: translateY(-3px);
  border-color: #0062FF;
  box-shadow: 0 18px 44px rgba(0, 98, 255, 0.12);
}

@media (max-width: 768px) {
  .blog-featured-card {
    padding: 28px 24px;
  }
}

.blog-meta-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.blog-badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.08);
  border: 1px solid rgba(0, 98, 255, 0.22);
  border-radius: 9999px;
  padding: 5px 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-date-badge {
  font-family: var(--font-mono);
  font-size: 0.80rem;
  font-weight: 600;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-read-time {
  font-family: var(--font-body);
  font-size: 0.80rem;
  color: #94A3B8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 800;
  color: #07111E;
  line-height: 1.28;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 1.02rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 960px;
}

.blog-card-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
}

@media (max-width: 860px) {
  .blog-card-highlights {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

.blog-highlight-item {
  font-size: 0.86rem;
  color: #334155;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}

.blog-highlight-item svg {
  color: #0062FF;
  flex-shrink: 0;
  margin-top: 2px;
}

.blog-card-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid #F1F5F9;
}

.blog-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.90rem;
  font-weight: 700;
  color: #0062FF;
  transition: gap 0.2s ease, color 0.2s ease;
}

.blog-featured-card:hover .blog-action-btn,
.blog-post-card:hover .blog-action-btn {
  gap: 12px;
  color: #004ecc;
}

/* Articles Grid (Text-First, Technical-Dense, No Pictures) */
.blog-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 72px;
}

@media (max-width: 1060px) {
  .blog-articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .blog-articles-grid {
    grid-template-columns: 1fr;
  }
}

.blog-post-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 30px 26px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.03);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  position: relative;
}

.blog-post-card:hover {
  transform: translateY(-3px);
  border-color: #0062FF;
  box-shadow: 0 14px 32px rgba(0, 98, 255, 0.10);
}

.blog-post-card h3 {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 800;
  color: #07111E;
  line-height: 1.35;
  margin: 12px 0 10px;
  letter-spacing: -0.015em;
}

.blog-post-card p {
  font-family: var(--font-body);
  font-size: 0.91rem;
  color: #475569;
  line-height: 1.62;
  margin-bottom: 22px;
  flex-grow: 1;
}

.blog-post-card h3 {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 800;
  color: #07111E;
  line-height: 1.35;
  margin-bottom: 10px;
}

.blog-post-card p {
  font-family: var(--font-body);
  font-size: 0.90rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

/* ==========================================================================
   Technical Article Reader Page Styles
   ========================================================================== */

.article-hero-wrap {
  padding: 36px 0 30px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-bottom: 1.5px solid #E2E8F0;
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: #64748B;
  margin-bottom: 14px;
}

.article-breadcrumbs a {
  color: #0062FF;
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-breadcrumbs a:hover {
  text-decoration: underline;
}

.article-header-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 900;
  color: #07111E;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid #E2E8F0;
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-share-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  padding: 8px 16px;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: #07111E;
  text-decoration: none;
  transition: all 0.2s ease;
}

.share-btn:hover {
  background: #0062FF;
  color: #FFFFFF;
  border-color: #0062FF;
  box-shadow: 0 4px 14px rgba(0, 98, 255, 0.25);
}

/* Article Layout Grid (Main + Sticky TOC) */
.article-layout-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 56px;
  padding: 56px 0 88px;
  align-items: start;
}

@media (max-width: 960px) {
  .article-layout-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .article-toc-sticky {
    position: static;
  }
}

.article-toc-sticky {
  position: sticky;
  top: 110px;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 24px 20px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

.article-toc-title {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  color: #0062FF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-toc-list a {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  line-height: 1.45;
  transition: color 0.2s ease, transform 0.2s ease;
  display: block;
}

.article-toc-list a:hover {
  color: #0062FF;
  transform: translateX(4px);
}

/* Article Content Body */
.article-body-content {
  font-family: var(--font-body);
  font-size: 1.08rem;
  color: #334155;
  line-height: 1.82;
  max-width: 820px;
}

.article-body-content h2 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: #07111E;
  margin: 48px 0 18px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.article-body-content h3 {
  font-family: var(--font-heading);
  font-size: 1.38rem;
  font-weight: 800;
  color: #07111E;
  margin: 36px 0 14px;
  line-height: 1.35;
}

.article-body-content p {
  margin-bottom: 24px;
}

.article-lead-box {
  background: linear-gradient(135deg, rgba(0, 98, 255, 0.05) 0%, rgba(56, 189, 248, 0.07) 100%);
  border-left: 4px solid #0062FF;
  border-radius: 0 16px 16px 0;
  padding: 24px 28px;
  font-size: 1.15rem;
  font-weight: 600;
  color: #07111E;
  line-height: 1.7;
  margin: 28px 0 36px;
}

/* Article Technical Figures & Diagrams */
.article-figure-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04);
  margin: 36px 0;
  text-align: center;
}

.article-figure-card img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.article-figure-caption {
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 600;
  color: #64748B;
  margin-top: 14px;
  line-height: 1.5;
}

/* Pure HTML/CSS Mathematical Formula Presentation */
.math-display-card {
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-left: 4px solid #0062FF;
  border-radius: 14px;
  padding: 24px 28px;
  margin: 28px 0;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
}

.math-formula-badge {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  color: #0062FF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.math-formula-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #07111E;
  margin: 12px 0;
  flex-wrap: wrap;
}

.math-variable {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: #07111E;
  letter-spacing: -0.01em;
}

.math-symbol {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: #0062FF;
  margin: 0 4px;
}

.math-fraction {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  text-align: center;
  margin: 0 6px;
}

.math-fraction .numerator {
  padding: 0 10px 4px;
  font-size: 1.02rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #07111E;
  border-bottom: 2px solid #07111E;
  display: block;
}

.math-fraction .denominator {
  padding: 4px 10px 0;
  font-size: 1.02rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: #07111E;
  display: block;
}

.math-formula-caption {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: #64748B;
  line-height: 1.55;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #E2E8F0;
}

/* Centered Article Reader without Sidebar */
.article-reading-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 88px;
}

/* Visual Architecture Pipeline */
.article-pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 32px 0;
}

@media (max-width: 768px) {
  .article-pipeline-grid {
    grid-template-columns: 1fr;
  }
}

.pipeline-step-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.pipeline-step-card:hover {
  transform: translateY(-2px);
  border-color: #0062FF;
}

.pipeline-step-num {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  color: #0062FF;
  background: rgba(0, 98, 255, 0.08);
  border: 1px solid rgba(0, 98, 255, 0.22);
  border-radius: 9999px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 10px;
}

.pipeline-step-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: #07111E;
  margin-bottom: 8px;
}

.pipeline-step-desc {
  font-size: 0.88rem;
  color: #64748B;
  line-height: 1.55;
  margin: 0;
}

/* Technical Comparison Table */
.article-table-wrap {
  overflow-x: auto;
  margin: 32px 0;
  border-radius: 16px;
  border: 1.5px solid #E2E8F0;
  background: #FFFFFF;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.article-table th {
  background: #F8FAFC;
  font-family: var(--font-heading);
  font-weight: 800;
  color: #07111E;
  padding: 14px 20px;
  border-bottom: 1.5px solid #E2E8F0;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-table td {
  padding: 14px 20px;
  border-bottom: 1px solid #E2E8F0;
  color: #334155;
  line-height: 1.5;
}

.article-table tr:last-child td {
  border-bottom: none;
}

/* Author Box & Discussion */
.article-author-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04);
  margin-top: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}

@media (max-width: 680px) {
  .article-author-card {
    flex-direction: column;
    text-align: center;
  }
}

.article-author-avatar-lg {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0062FF, #38BDF8);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 98, 255, 0.28);
  flex-shrink: 0;
}

.article-author-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #07111E;
  margin-bottom: 4px;
}

.article-author-role {
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 700;
  color: #0062FF;
  margin-bottom: 8px;
}

.article-author-bio {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

.article-discussion-banner {
  margin-top: 36px;
  background: linear-gradient(135deg, #07111E 0%, #0F2744 100%);
  border-radius: 20px;
  padding: 36px 32px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.article-discussion-banner h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.article-discussion-banner p {
  color: #E2E8F0;
  font-size: 1.02rem;
  margin: 0 0 24px 0;
  line-height: 1.65;
}

.btn-discussion-primary {
  background: #0062FF !important;
  color: #FFFFFF !important;
  border: 1.5px solid #0062FF !important;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 98, 255, 0.35);
  transition: all 0.2s ease;
}

.btn-discussion-primary:hover {
  background: #004ecc !important;
  border-color: #004ecc !important;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 98, 255, 0.45);
}

.btn-discussion-secondary {
  background: #FFFFFF !important;
  color: #07111E !important;
  border: 1.5px solid #FFFFFF !important;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 8px;
  font-weight: 800;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

.btn-discussion-secondary:hover {
  background: #F1F5F9 !important;
  color: #0062FF !important;
  border-color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}