/* ==========================================================================
   DCN CORPORATE DESIGN SYSTEM — LINEAR / VERCEL INSPIRED PREMIUM PALETTE
   Zero Gaudy Neon // Maximum Craft, Whitespace & Structural Clarity
   ========================================================================== */

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

:root {
  --bg-base: #0A0A0B;
  --bg-surface: #111316;
  --bg-card: #16181D;
  --bg-card-hover: #1C2026;
  --bg-input: #121418;
  
  --border-subtle: #22252B;
  --border-medium: #2E333C;
  --border-active: #3D7DFF;

  --text-primary: #F4F5F7;
  --text-secondary: #9DA4B0;
  --text-muted: #6B7280;
  --text-dim: #4B5260;

  --accent-primary: #1D68FF;
  --accent-primary-hover: #2E75FF;
  --accent-cyan: #00D8F6;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --nav-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow-subtle: 0 0 35px -10px rgba(29, 104, 255, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

/* Subtle Architectural Grid Background */
.ambient-matrix {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 25%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 25%, black 40%, transparent 80%);
}

.ambient-spotlight {
  position: fixed;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(ellipse at center, rgba(29, 104, 255, 0.12) 0%, rgba(0, 216, 246, 0.03) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 36px);
  padding-right: clamp(20px, 4vw, 36px);
  position: relative;
  z-index: 1;
}

/* Typography Standards */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.028em;
}

h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
}

p {
  color: var(--text-secondary);
  font-size: 1.025rem;
  line-height: 1.65;
}

.lead {
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  color: #B5BCC8;
  line-height: 1.55;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, #A5C2FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: -0.02em;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: rgba(10, 10, 11, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  background-color: rgba(10, 10, 11, 0.92);
  border-bottom-color: var(--border-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.navbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo-frame {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.1;
}

.brand-title span {
  color: var(--accent-primary);
}

.brand-subtitle {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

.status-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
  box-shadow: 0 4px 14px rgba(29, 104, 255, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: #3E4552;
  transform: translateY(-1px);
}

.btn-lg {
  padding: 13px 26px;
  font-size: 0.98rem;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

/* Badges / Kickers */
.kicker-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(29, 104, 255, 0.08);
  border: 1px solid rgba(29, 104, 255, 0.22);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #72A4FF;
  margin-bottom: 20px;
}

.kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

/* Section Spacing */
.section-spacing {
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: clamp(60px, 8vw, 100px);
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--nav-height) + clamp(40px, 6vw, 70px));
  padding-bottom: clamp(60px, 8vw, 90px);
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(40px, 6vw, 70px);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin-bottom: 20px;
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  color: #A0A8B6;
  margin-bottom: 32px;
  line-height: 1.6;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-trust-item svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Hero Telemetry Card */
.hero-telemetry-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-card), var(--shadow-glow-subtle);
  position: relative;
  overflow: hidden;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.telemetry-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
}

.telemetry-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.telemetry-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}

.telemetry-stat-card span {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.telemetry-stat-card strong {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.telemetry-live-log {
  background: #0D0E11;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #7E8798;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.log-entry .status-tag {
  color: var(--accent-cyan);
}

/* ==========================================================================
   WHAT DCN DOES (Saha Operasyonu -> Yazılım Ürünü)
   ========================================================================== */
.what-dcn-does-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.value-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-card);
  transform: translateY(-2px);
}

.value-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(29, 104, 255, 0.08);
  border: 1px solid rgba(29, 104, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.value-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   PRODUCTS SHOWCASE (DUR TAKSİ & SEFERFİŞ)
   ========================================================================== */
.product-showcase-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  transition: border-color var(--transition-fast);
}

.product-showcase-card:hover {
  border-color: var(--border-medium);
}

.product-info-pane {
  padding: clamp(32px, 5vw, 56px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.product-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  margin-bottom: 16px;
  color: var(--text-primary);
}

.product-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.65;
}

.product-features-checklist {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  margin-bottom: 32px;
}

.product-features-checklist li {
  font-size: 0.9rem;
  color: #C2C8D2;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-features-checklist li svg {
  width: 18px;
  height: 18px;
  fill: var(--accent-emerald);
  flex-shrink: 0;
}

/* Real Product UI Mockup Windows */
.product-ui-pane {
  background: #0C0E11;
  border-left: 1px solid var(--border-subtle);
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ui-frame-window {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6);
}

.ui-window-topbar {
  background: #111317;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.ui-window-dots {
  display: flex;
  gap: 6px;
}

.ui-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2A2F38;
}

.ui-window-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.ui-window-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ui-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.ui-kpi-block {
  background: #101216;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.ui-kpi-block span {
  font-size: 0.68rem;
  color: var(--text-muted);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ui-kpi-block strong {
  font-size: 0.95rem;
  color: #fff;
  font-family: var(--font-mono);
}

.ui-map-preview {
  height: 130px;
  background: radial-gradient(circle at 40% 50%, rgba(29, 104, 255, 0.15), transparent 70%), #0A0C0F;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.geofence-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 1px dashed var(--accent-cyan);
  background: rgba(0, 216, 246, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.taxi-point {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.ptt-active-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--accent-amber);
  color: var(--accent-amber);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* ==========================================================================
   DCN CORE — ARCHITECTURE COMPONENT
   ========================================================================== */
.dcn-core-section {
  background: #0D0F13;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.core-tree-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 48px);
}

.core-root-box {
  max-width: 320px;
  margin: 0 auto 36px auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 24px rgba(29, 104, 255, 0.2);
}

.core-root-box h4 {
  font-size: 1.15rem;
  color: #fff;
  letter-spacing: 0.04em;
}

.core-root-box span {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.core-subsystems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.core-subsystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  transition: all var(--transition-fast);
}

.core-subsystem-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.core-subsystem-card h5 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 6px;
}

.core-subsystem-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.core-products-mount {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px dashed var(--border-medium);
}

.core-product-box {
  background: #0E1014;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.core-product-box strong {
  color: #fff;
  font-size: 1rem;
}

.core-product-box span {
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

/* ==========================================================================
   TECHNOLOGY (CURRENT vs PLANNED TABLE)
   ========================================================================== */
.tech-matrix-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tech-matrix-table th, .tech-matrix-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.tech-matrix-table th {
  background: #13151A;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

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

.tech-matrix-table td strong {
  color: #fff;
  display: block;
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.tech-matrix-table td span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.tag-current {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.tag-planned {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-amber);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* ==========================================================================
   AI-NATIVE ENGINEERING WORKFLOW
   ========================================================================== */
.engineering-pipeline-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow-x: auto;
  gap: 12px;
}

.pipeline-step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 95px;
}

.pipeline-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.pipeline-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pipeline-divider {
  color: var(--border-medium);
  font-size: 1.2rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(40px, 6vw, 70px);
}

.contact-card-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 44px);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #C0C8D4;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(29, 104, 255, 0.18);
  background-color: #15181E;
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: #08080A;
  padding-top: 64px;
  padding-bottom: 40px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   MOBILE & RESPONSIVE QUERIES
   ========================================================================== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-base);
  z-index: 999;
  padding: calc(var(--nav-height) + 24px) 24px 32px 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.mobile-drawer-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .product-showcase-card {
    grid-template-columns: 1fr;
  }
  .product-ui-pane {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
  .what-dcn-does-grid {
    grid-template-columns: 1fr;
  }
  .core-subsystems-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-links, .status-pill {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .nav-actions .btn {
    display: none;
  }
  .brand-subtitle {
    display: none;
  }
  .core-subsystems-grid {
    grid-template-columns: 1fr;
  }
  .core-products-mount {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .product-features-checklist {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #FFFFFF !important;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  z-index: 99999;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.whatsapp-float:hover {
  background-color: #20BA5A;
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
  color: #fff !important;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #FFFFFF !important;
}

.whatsapp-tooltip {
  position: absolute;
  right: 74px;
  background: #16181D;
  border: 1px solid var(--border-medium);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   ADMIN PANEL STYLING
   ========================================================================== */
.admin-wrapper {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 90px;
  min-height: 85vh;
  position: relative;
  z-index: 10;
}

.admin-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--shadow-card);
}

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

.admin-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.admin-stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.admin-stat-item span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.admin-stat-item strong {
  font-size: 1.6rem;
  color: #fff;
  font-family: var(--font-mono);
}

.admin-table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.admin-table th {
  background: #111419;
  padding: 14px 18px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-medium);
}

.admin-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(29, 104, 255, 0.1);
  color: #72A4FF;
  border: 1px solid rgba(29, 104, 255, 0.25);
}

.admin-login-box {
  max-width: 440px;
  margin: 40px auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
}



/* ==========================================================================
   ENTERPRISE ADMIN CMS CONTROL CENTER STYLING
   ========================================================================== */

.admin-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 14px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  flex-wrap: wrap;
  gap: 16px;
}

.admin-top-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-brand-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(29, 104, 255, 0.15);
  color: #72A4FF;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(29, 104, 255, 0.3);
}

.admin-user-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  align-items: start;
}

.admin-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 20px 16px;
  box-shadow: var(--shadow-card);
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF;
}

.admin-nav-item.active {
  background: rgba(29, 104, 255, 0.12);
  color: #72A4FF;
  border: 1px solid rgba(29, 104, 255, 0.3);
  font-weight: 600;
}

.admin-nav-icon {
  font-size: 1.1rem;
}

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

.admin-nav-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.admin-nav-pill.highlight {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
  font-weight: 700;
}

.admin-db-status-card {
  margin-top: 24px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.db-status-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.db-status-val {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.admin-main {
  min-width: 0;
}

.admin-pane-header {
  margin-bottom: 24px;
}

.admin-pane-header h2 {
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.admin-pane-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.admin-kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
}

.kpi-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.kpi-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.admin-quick-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.quick-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.quick-btn:hover {
  border-color: var(--accent-primary);
  background: rgba(29, 104, 255, 0.08);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-card-header h3 {
  font-size: 1.25rem;
  color: #FFFFFF;
}

.status-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.status-badge.new {
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-badge.contacted {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.archived {
  background: rgba(138, 143, 152, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(138, 143, 152, 0.3);
}

.badge-tag.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-tag.blue {
  background: rgba(29, 104, 255, 0.15);
  color: #72A4FF;
  border-color: rgba(29, 104, 255, 0.3);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}

.form-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 28px 0;
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.admin-alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-alert.success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--accent-emerald);
  color: #FFFFFF;
}

.admin-alert.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid #EF4444;
  color: #FFFFFF;
}

.btn-xs {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 960px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    position: static;
  }
  .form-grid-2, .form-grid-3 {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   2026 MODERN ENTERPRISE UI POLISH & FIXES
   ========================================================================== */

/* 1. Global Scroll Offsets for Sticky Navbar */
section[id], div[id], [id] {
  scroll-margin-top: calc(var(--nav-height) + 36px);
}

/* 2. Hero Telemetry Panel Modernization */
.hero-telemetry-panel, .telemetry-card {
  background: rgba(18, 20, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.hero-telemetry-panel:hover, .telemetry-card:hover {
  border-color: rgba(29, 104, 255, 0.4);
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 18px;
}

.telemetry-title {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.telemetry-dot, .status-indicator-light {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  display: inline-block;
  flex-shrink: 0;
}

.telemetry-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(29, 104, 255, 0.15);
  color: #72A4FF;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(29, 104, 255, 0.3);
}

.telemetry-stat-grid, .telemetry-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.telemetry-stat-card, .metric-tile {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.telemetry-stat-card span, .metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.telemetry-stat-card strong, .metric-value {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  font-family: var(--font-mono);
  display: block;
}

.telemetry-live-log, .telemetry-log-feed {
  background: #090A0D;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #8C94A4;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.log-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.log-entry .text-cyan, .log-entry .status-tag {
  color: var(--accent-cyan);
  font-weight: 600;
}

.log-entry .text-emerald {
  color: var(--accent-emerald);
  font-weight: 600;
}

/* 3. Focus Pillars (Mission Section) */
.focus-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.pillar-card {
  background: rgba(18, 20, 26, 0.65);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition-normal);
}

.pillar-card:hover {
  border-color: rgba(29, 104, 255, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* 4. Product Feature Cards (Homepage Showcase) */
.product-feature-card {
  background: rgba(18, 20, 26, 0.75);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transition: border-color var(--transition-normal);
}

.product-feature-card:hover {
  border-color: rgba(29, 104, 255, 0.35);
}

.product-info-pane {
  padding: clamp(32px, 4.5vw, 52px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-mockup-pane {
  background: rgba(9, 10, 13, 0.8);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding: clamp(24px, 3.5vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-frame {
  width: 100%;
  background: #0E1015;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.mockup-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #15181F;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.mockup-dots span:nth-child(1) { background: #FF5F56; }
.mockup-dots span:nth-child(2) { background: #FFBD2E; }
.mockup-dots span:nth-child(3) { background: #27C93F; }

.mockup-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 3px 14px;
  border-radius: var(--radius-sm);
}

.mockup-body-preview {
  padding: 20px;
}

.kpi-banner-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.kpi-mini-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 10px;
  text-align: center;
}

.kpi-mini-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.kpi-mini-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
}

.live-activity-stream {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stream-line {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.stream-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.stream-badge.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.stream-badge.blue {
  background: rgba(29, 104, 255, 0.15);
  color: #72A4FF;
}

/* 5. DCN Core Subsystems Grid */
.core-subsystems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.subsystem-box {
  background: rgba(18, 20, 26, 0.65);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: all var(--transition-normal);
}

.subsystem-box:hover {
  border-color: rgba(29, 104, 255, 0.35);
  background: rgba(22, 25, 33, 0.85);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.subsystem-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.subsystem-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
}

.subsystem-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
  line-height: 1.4;
}

.subsystem-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 6. Technology Matrix Table */
.tech-table-wrapper {
  background: rgba(18, 20, 26, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.4);
  margin-top: 36px;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.tech-table th {
  background: #111419;
  padding: 16px 24px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tech-table td {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

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

.tech-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.tech-badge-current {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.tech-badge-planned {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

/* 7. Case Studies Grid */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}

.case-card {
  background: rgba(18, 20, 26, 0.75);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 40px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  transition: border-color var(--transition-normal);
}

.case-card:hover {
  border-color: rgba(29, 104, 255, 0.4);
}

.case-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.case-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
  line-height: 1.4;
}

.case-subgroup {
  margin-bottom: 16px;
}

.case-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.case-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .product-feature-card {
    grid-template-columns: 1fr;
  }
  .product-mockup-pane {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .core-subsystems-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .focus-pillars-grid {
    grid-template-columns: 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .core-subsystems-grid {
    grid-template-columns: 1fr;
  }
  .kpi-banner-strip {
    grid-template-columns: 1fr;
  }
}


/* Trust Bar Horizontal Styling */
.hero-trust-bar {
  display: flex !important;
  align-items: center !important;
  gap: 14px !important;
  flex-wrap: wrap !important;
  margin-top: 36px !important;
}

.trust-item {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  color: var(--text-secondary) !important;
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  padding: 6px 14px !important;
  border-radius: var(--radius-full) !important;
}

.trust-dot {
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: var(--accent-cyan) !important;
  box-shadow: 0 0 6px var(--accent-cyan) !important;
  display: inline-block !important;
}

/* Product features checklist icon constraint */
.product-features-checklist li svg {
  width: 18px !important;
  height: 18px !important;
  min-width: 18px !important;
  min-height: 18px !important;
  max-width: 18px !important;
  max-height: 18px !important;
  fill: var(--accent-emerald) !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
}