/* ════════════════════════════════════════════
   THEME SYSTEM — 4 COMPLETE THEMES
   ════════════════════════════════════════════ */

/* THEME 1: Deep Trust — Navy + Emerald */
[data-theme="deep-trust"] {
  --hero-bg: #0A2540;
  --hero-bg-2: #0d2f4f;
  --hero-text: #ffffff;
  --hero-accent: #00D4AA;
  --hero-muted: rgba(255,255,255,0.55);
  --hero-glow: rgba(0,212,170,0.12);
  --nav-bg: rgba(10,37,64,0.92);
  --nav-text: rgba(255,255,255,0.8);
  --nav-active: #00D4AA;
  --body-bg: #F7F6F3;
  --body-bg-alt: #EFEEE9;
  --card-bg: #ffffff;
  --text-primary: #0f1a2e;
  --text-secondary: #4a5568;
  --text-muted: #8896a6;
  --accent: #00866d;
  --accent-bright: #00D4AA;
  --accent-bg: #ecfdf8;
  --accent-text: #065f46;
  --border: #e2e0db;
  --border-light: #f0efea;
  --kpi-bg: #0A2540;
  --kpi-text: #ffffff;
  --kpi-accent: #00D4AA;
  --footer-bg: #071b30;
  --footer-text: rgba(255,255,255,0.5);
  --heading-font: 'DM Serif Display', serif;
  --body-font: 'Outfit', sans-serif;
  --mono-font: 'JetBrains Mono', monospace;
  --section-dark-bg: #0d1f35;
  --section-dark-text: #ffffff;
  --tag-bg: #ecfdf8;
  --tag-text: #065f46;
  --switcher-bg: rgba(255,255,255,0.08);
  --switcher-active: #00D4AA;
  --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(0,212,170,0.08) 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, rgba(56,130,220,0.06) 0%, transparent 50%);
}

/* THEME 2: Warm Intelligence — Cream + Royal Blue */
[data-theme="warm-intel"] {
  --hero-bg: #1a1a2e;
  --hero-bg-2: #242445;
  --hero-text: #FAF7F2;
  --hero-accent: #4F86F7;
  --hero-muted: rgba(250,247,242,0.5);
  --hero-glow: rgba(79,134,247,0.1);
  --nav-bg: rgba(26,26,46,0.92);
  --nav-text: rgba(250,247,242,0.75);
  --nav-active: #4F86F7;
  --body-bg: #FAF7F2;
  --body-bg-alt: #F3EEE6;
  --card-bg: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5a;
  --text-muted: #8a8a96;
  --accent: #2563eb;
  --accent-bright: #4F86F7;
  --accent-bg: #eff3fe;
  --accent-text: #1e3a8a;
  --border: #e5e1d8;
  --border-light: #f0ece3;
  --kpi-bg: #1a1a2e;
  --kpi-text: #FAF7F2;
  --kpi-accent: #4F86F7;
  --footer-bg: #12121f;
  --footer-text: rgba(250,247,242,0.4);
  --heading-font: 'Fraunces', serif;
  --body-font: 'Outfit', sans-serif;
  --mono-font: 'JetBrains Mono', monospace;
  --section-dark-bg: #1a1a2e;
  --section-dark-text: #FAF7F2;
  --tag-bg: #eff3fe;
  --tag-text: #1e3a8a;
  --switcher-bg: rgba(255,255,255,0.08);
  --switcher-active: #4F86F7;
  --gradient-mesh: radial-gradient(ellipse at 30% 60%, rgba(79,134,247,0.06) 0%, transparent 50%), radial-gradient(ellipse at 70% 30%, rgba(168,85,247,0.04) 0%, transparent 50%);
}

/* THEME 3: Bold Precision — Carbon + Cyan */
[data-theme="bold-precision"] {
  --hero-bg: #0a0a0a;
  --hero-bg-2: #141414;
  --hero-text: #f0f0f0;
  --hero-accent: #22d3ee;
  --hero-muted: rgba(240,240,240,0.45);
  --hero-glow: rgba(34,211,238,0.1);
  --nav-bg: rgba(10,10,10,0.95);
  --nav-text: rgba(240,240,240,0.7);
  --nav-active: #22d3ee;
  --body-bg: #111111;
  --body-bg-alt: #1a1a1a;
  --card-bg: #1e1e1e;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #22d3ee;
  --accent-bright: #22d3ee;
  --accent-bg: rgba(34,211,238,0.08);
  --accent-text: #22d3ee;
  --border: #2a2a2a;
  --border-light: #222222;
  --kpi-bg: #0a0a0a;
  --kpi-text: #f0f0f0;
  --kpi-accent: #22d3ee;
  --footer-bg: #050505;
  --footer-text: rgba(240,240,240,0.3);
  --heading-font: 'Sora', sans-serif;
  --body-font: 'Outfit', sans-serif;
  --mono-font: 'JetBrains Mono', monospace;
  --section-dark-bg: #0a0a0a;
  --section-dark-text: #f0f0f0;
  --tag-bg: rgba(34,211,238,0.1);
  --tag-text: #22d3ee;
  --switcher-bg: rgba(255,255,255,0.05);
  --switcher-active: #22d3ee;
  --gradient-mesh: radial-gradient(ellipse at 25% 50%, rgba(34,211,238,0.06) 0%, transparent 50%), radial-gradient(ellipse at 75% 25%, rgba(168,85,247,0.04) 0%, transparent 50%);
}

/* THEME 4: Clinical Clarity — White + Teal */
[data-theme="clinical-clarity"] {
  --hero-bg: #0c4a6e;
  --hero-bg-2: #0e5a85;
  --hero-text: #ffffff;
  --hero-accent: #06b6d4;
  --hero-muted: rgba(255,255,255,0.6);
  --hero-glow: rgba(6,182,212,0.12);
  --nav-bg: rgba(12,74,110,0.94);
  --nav-text: rgba(255,255,255,0.8);
  --nav-active: #06b6d4;
  --body-bg: #ffffff;
  --body-bg-alt: #f0f9ff;
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #0891b2;
  --accent-bright: #06b6d4;
  --accent-bg: #ecfeff;
  --accent-text: #155e75;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --kpi-bg: #0c4a6e;
  --kpi-text: #ffffff;
  --kpi-accent: #06b6d4;
  --footer-bg: #082f49;
  --footer-text: rgba(255,255,255,0.45);
  --heading-font: 'Libre Baskerville', serif;
  --body-font: 'Outfit', sans-serif;
  --mono-font: 'JetBrains Mono', monospace;
  --section-dark-bg: #0c4a6e;
  --section-dark-text: #ffffff;
  --tag-bg: #ecfeff;
  --tag-text: #155e75;
  --switcher-bg: rgba(255,255,255,0.1);
  --switcher-active: #06b6d4;
  --gradient-mesh: radial-gradient(ellipse at 30% 40%, rgba(6,182,212,0.06) 0%, transparent 50%), radial-gradient(ellipse at 70% 60%, rgba(14,165,233,0.04) 0%, transparent 50%);
}

/* ════════════════════════════════════════════
   BASE RESET & GLOBALS
   ════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--body-font);
  background: var(--body-bg);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.5s ease, color 0.4s ease;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
@media(max-width:768px){ .container { padding: 0 20px; } }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.5s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: var(--heading-font);
  font-size: 20px;
  color: var(--hero-text);
  font-weight: 400;
  letter-spacing: -0.3px;
  transition: color 0.4s;
  white-space: nowrap;
}
.nav-logo span { color: var(--nav-active); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--nav-text);
  text-decoration: none;
  transition: color 0.3s;
  letter-spacing: 0.2px;
}
.nav-links a:hover { color: var(--nav-active); text-decoration: none; }

.nav-cta {
  background: var(--nav-active) !important;
  color: var(--hero-bg) !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 13px !important;
  transition: opacity 0.3s, background 0.4s !important;
}
.nav-cta:hover { opacity: 0.85; }

/* Theme Switcher */
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--switcher-bg);
  padding: 4px;
  border-radius: 10px;
  margin-left: 16px;
}
.theme-btn {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-btn:hover { transform: scale(1.1); }
.theme-btn.active { border-color: var(--switcher-active); box-shadow: 0 0 12px rgba(255,255,255,0.15); }
.theme-btn[data-theme="deep-trust"] { background: linear-gradient(135deg, #0A2540, #00D4AA); }
.theme-btn[data-theme="warm-intel"] { background: linear-gradient(135deg, #1a1a2e, #4F86F7); }
.theme-btn[data-theme="bold-precision"] { background: linear-gradient(135deg, #0a0a0a, #22d3ee); }
.theme-btn[data-theme="clinical-clarity"] { background: linear-gradient(135deg, #0c4a6e, #06b6d4); }

.theme-tooltip {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: white;
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: var(--mono-font);
}
.theme-btn:hover .theme-tooltip { opacity: 1; }

/* Mobile nav */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--nav-text);
  margin: 5px 0;
  transition: all 0.3s;
}

@media(max-width:1024px) {
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    padding: 20px 40px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
}

/* ════════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════ */
.hero {
  background: var(--hero-bg);
  color: var(--hero-text);
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  transition: background 0.5s ease;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  transition: background 0.5s;
}
.hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: var(--hero-glow);
  border-radius: 50%;
  filter: blur(80px);
  transition: background 0.5s;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 12px;
  font-family: var(--mono-font);
  color: var(--hero-accent);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
  animation: fadeInUp 0.8s ease both;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hero-accent);
  animation: pulse 2s infinite;
}
.hero h1 {
  font-family: var(--heading-font);
  font-size: clamp(38px, 5.5vw, 64px);
  line-height: 1.1;
  font-weight: 400;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 em {
  color: var(--hero-accent);
  font-style: italic;
  transition: color 0.4s;
}
.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--hero-muted);
  max-width: 620px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 36px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--body-font);
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--hero-accent);
  color: var(--hero-bg);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--hero-text);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.04); }
.btn-dark {
  background: var(--accent);
  color: #fff;
}
.btn-dark:hover { opacity: 0.88; transform: translateY(-1px); }

/* ════════════════════════════════════════════
   SECTIONS BASE
   ════════════════════════════════════════════ */
.section {
  padding: 100px 0;
  background: var(--body-bg);
  transition: background 0.5s, color 0.4s;
}
.section-alt {
  background: var(--body-bg-alt);
}
.section-dark {
  background: var(--section-dark-bg);
  color: var(--section-dark-text);
}
.section-label {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}
.section-dark .section-label { color: var(--hero-accent); }
.section h2 {
  font-family: var(--heading-font);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
  transition: font-family 0.3s;
}
.section-dark h2 { color: var(--section-dark-text); }
.section-lead {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 48px;
}
.section-dark .section-lead { color: var(--hero-muted); }

/* ════════════════════════════════════════════
   KPI STRIP
   ════════════════════════════════════════════ */
.kpi-strip {
  background: var(--kpi-bg);
  padding: 56px 0;
  transition: background 0.5s;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
@media(max-width:900px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media(max-width:520px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
.kpi-item { text-align: center; }
.kpi-number {
  font-family: var(--heading-font);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--kpi-accent);
  line-height: 1;
  margin-bottom: 8px;
  transition: color 0.4s;
}
.kpi-label {
  font-size: 13px;
  color: var(--kpi-text);
  opacity: 0.6;
  font-weight: 400;
  letter-spacing: 0.3px;
}

/* ════════════════════════════════════════════
   FEATURES / DIFFERENTIATORS
   ════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}
@media(max-width:768px) { .features-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.4s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.06);
  border-color: var(--accent-bright);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background 0.4s;
}
.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-card h3 {
  font-family: var(--heading-font);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ════════════════════════════════════════════
   SERVICES — TABBED
   ════════════════════════════════════════════ */
.services-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 22px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--body-font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}
.tab-btn:hover { border-color: var(--accent); color: var(--accent); }
.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
[data-theme="bold-precision"] .tab-btn {
  border-color: var(--border);
  color: var(--text-secondary);
}
[data-theme="bold-precision"] .tab-btn.active {
  background: var(--accent);
  color: #0a0a0a;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.4s ease; }

.service-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media(max-width:768px) { .service-content { grid-template-columns: 1fr; } }
.service-text h3 {
  font-family: var(--heading-font);
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 16px;
}
.service-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
.service-kpis {
  background: var(--accent-bg);
  border-radius: 12px;
  padding: 20px 24px;
  margin-top: 20px;
}
.service-kpis h4 {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.service-kpis p {
  font-size: 13.5px;
  color: var(--accent-text);
  font-weight: 500;
  margin-bottom: 0;
}
.service-sidebar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.service-sidebar h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.sidebar-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-item:last-child { border-bottom: none; }
.sidebar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-bright);
  margin-top: 6px;
  flex-shrink: 0;
}
.sidebar-item p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ════════════════════════════════════════════
   SPECIALTIES GRID
   ════════════════════════════════════════════ */
.specialties-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
@media(max-width:900px) { .specialties-grid { grid-template-columns: repeat(3, 1fr); } }
@media(max-width:600px) { .specialties-grid { grid-template-columns: repeat(2, 1fr); } }
.specialty-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.specialty-card:hover {
  border-color: var(--accent-bright);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}
.specialty-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-bright);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.specialty-card:hover::after { transform: scaleX(1); }
.specialty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  width: 44px;
  height: 44px;
}
.specialty-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent-bright);
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.specialty-card h4 {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Specialty Detail Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }
.modal-content {
  background: var(--card-bg);
  border-radius: 20px;
  max-width: 680px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  animation: modalIn 0.3s ease;
  color: var(--text-primary);
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--border-light);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s;
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }
.modal-content h3 {
  font-family: var(--heading-font);
  font-size: 26px;
  margin-bottom: 16px;
}
.modal-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
}

/* ════════════════════════════════════════════
   AI & TECHNOLOGY
   ════════════════════════════════════════════ */
.ai-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 48px 0;
}
@media(max-width:768px) { .ai-pipeline { grid-template-columns: repeat(2, 1fr); } }
.pipeline-step {
  text-align: center;
  padding: 28px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  transition: all 0.3s;
}
.pipeline-step:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-2px);
}
.step-number {
  font-family: var(--mono-font);
  font-size: 11px;
  color: var(--hero-accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
  display: block;
}
.pipeline-step h4 {
  font-family: var(--heading-font);
  font-size: 18px;
  color: var(--section-dark-text);
  margin-bottom: 8px;
  font-weight: 400;
}
.pipeline-step p {
  font-size: 13px;
  color: var(--hero-muted);
  line-height: 1.6;
}

.tech-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}
.tech-tag {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-family: var(--mono-font);
  font-weight: 500;
  background: rgba(255,255,255,0.06);
  color: var(--hero-muted);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.3s;
}
.tech-tag:hover { background: rgba(255,255,255,0.1); color: var(--hero-text); }

/* ════════════════════════════════════════════
   ABOUT SECTION
   ════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}
@media(max-width:768px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-text p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 18px;
  line-height: 1.8;
}
.values-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.value-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.3s;
}
.value-item:hover { border-color: var(--accent-bright); }
.value-item h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.value-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ════════════════════════════════════════════
   COMPLIANCE
   ════════════════════════════════════════════ */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media(max-width:768px) { .compliance-grid { grid-template-columns: 1fr; } }
.compliance-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 24px;
  transition: all 0.3s;
}
.compliance-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.06); }
.compliance-card h3 {
  font-family: var(--heading-font);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
}
.compliance-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.badge-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  background: var(--tag-bg);
  color: var(--tag-text);
  font-family: var(--mono-font);
  transition: all 0.4s;
}

/* ════════════════════════════════════════════
   WHY US
   ════════════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media(max-width:768px) { .why-grid { grid-template-columns: 1fr; } }
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}
.why-card:hover { background: rgba(255,255,255,0.07); transform: translateY(-2px); }
.why-card h3 {
  font-family: var(--heading-font);
  font-size: 20px;
  font-weight: 400;
  color: var(--section-dark-text);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 14.5px;
  color: var(--hero-muted);
  line-height: 1.7;
}

/* ════════════════════════════════════════════
   BLOG / RESOURCES
   ════════════════════════════════════════════ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
@media(max-width:768px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.06); }
.blog-thumb {
  height: 160px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.4s;
  position: relative;
  overflow: hidden;
}
.blog-thumb svg {
  width: 48px;
  height: 48px;
  stroke: var(--accent);
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s ease;
}
.blog-card:hover .blog-thumb svg {
  transform: scale(1.1);
}
/* Blog "Read More" overlay on hover */
.blog-thumb::after {
  content: 'Read More →';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.5));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
}
.blog-card:hover .blog-thumb::after {
  opacity: 1;
  transform: translateY(0);
}
.blog-body {
  padding: 22px;
}
.blog-tag {
  font-family: var(--mono-font);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: block;
}
.blog-card h4 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.blog-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ════════════════════════════════════════════
   CONTACT / CTA
   ════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media(max-width:768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--body-font);
  font-size: 15px;
  background: var(--card-bg);
  color: var(--text-primary);
  margin-bottom: 16px;
  transition: border-color 0.3s, background 0.4s;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent-bright);
}
.contact-form textarea { min-height: 120px; resize: vertical; }

/* Form validation styles */
.contact-form input.invalid,
.contact-form textarea.invalid,
.contact-form select.invalid {
  border-color: #ef4444;
}
.contact-form .field-error {
  color: #ef4444;
  font-size: 12px;
  margin-top: -12px;
  margin-bottom: 12px;
  display: none;
}
.contact-form .field-error.visible {
  display: block;
}

.contact-info h3 {
  font-family: var(--heading-font);
  font-size: 26px;
  margin-bottom: 16px;
}
.contact-info p {
  font-size: 15.5px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14.5px;
  color: var(--text-secondary);
}
.contact-detail svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.expect-list {
  margin-top: 24px;
  background: var(--accent-bg);
  border-radius: 12px;
  padding: 20px 24px;
}
.expect-list h4 {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.expect-item {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--accent-text);
}
.expect-item::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}

/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 40px;
  transition: background 0.5s;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media(max-width:768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand {
  font-family: var(--heading-font);
  font-size: 22px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 12px;
}
.footer-brand span { color: var(--hero-accent); }
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--footer-text);
  padding: 4px 0;
  text-decoration: none;
  transition: color 0.3s;
}
.footer-col a:hover { color: rgba(255,255,255,0.8); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-badges {
  display: flex;
  gap: 12px;
}
.footer-badge {
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  font-family: var(--mono-font);
  font-size: 10px;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.4);
}

/* ════════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════
   THEME INDICATOR TOAST
   ════════════════════════════════════════════ */
.theme-toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  pointer-events: none;
}
.theme-toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

/* ════════════════════════════════════════════
   BACK TO TOP BUTTON
   ════════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2500;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: #fff;
  stroke-width: 2.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ════════════════════════════════════════════
   THEME TRANSITION OVERLAY
   ════════════════════════════════════════════ */
.theme-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.theme-transition-overlay.active {
  opacity: 1;
}