/* ============================================================
   TOP CLOUDS ADVISORY — DESIGN SYSTEM & STYLES
   ============================================================ */

/* ---- CSS CUSTOM PROPERTIES ---- */
:root {
  /* Colors */
  --bg-primary: #050d1a;
  --bg-secondary: #0a1628;
  --bg-card: #0d1f3c;
  --bg-card-hover: #112347;
  --bg-glass: rgba(10, 22, 40, 0.7);
  --color-blue: #1a6cff;
  --color-blue-light: #3d85ff;
  --color-cyan: #00d4ff;
  --color-gold: #c9a84c;
  --color-gold-light: #e8c96b;
  --color-green: #10b981;
  --color-red: #ef4444;
  --color-purple: #7c3aed;
  --color-teal: #0099cc;
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.75);
  --text-muted: rgba(255,255,255,0.45);
  --text-dim: rgba(255,255,255,0.25);
  --border-subtle: rgba(255,255,255,0.06);
  --border-blue: rgba(26,108,255,0.3);
  --glow-blue: 0 0 40px rgba(26,108,255,0.3);
  --glow-cyan: 0 0 20px rgba(0,212,255,0.4);

  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Outfit', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1280px;
  --container-pad: 40px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--color-blue); border-radius: 3px; }

/* ---- CONTAINERS ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section { padding: var(--section-padding) 0; }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--color-blue);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-med);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(26,108,255,0.45);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition-med);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

/* ---- SECTION TYPOGRAPHY ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cyan);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-label { justify-content: center; }
.section-header .section-desc { margin: 0 auto; }

/* ---- REVEAL ANIMATIONS ---- */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

[style*="--delay"] { transition-delay: var(--delay, 0s); }

/* ====================================================
   NAVIGATION
   ==================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-med);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(5, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 40px rgba(0,0,0,0.4);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-family: var(--font-heading); font-weight: 800; font-size: 1.1rem; color: #fff; letter-spacing: -0.02em; }
.logo-sub { font-family: var(--font-heading); font-weight: 400; font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-cyan); margin-top: 2px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }

.nav-cta {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  padding: 10px 20px;
  background: var(--color-blue);
  border-radius: var(--radius-sm);
  transition: all var(--transition-med);
  white-space: nowrap;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--color-blue-light);
  box-shadow: 0 4px 20px rgba(26,108,255,0.4);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ====================================================
   HERO
   ==================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(26,108,255,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 100% 40% at 50% 100%, rgba(5,13,26,0.95) 0%, transparent 60%),
    linear-gradient(180deg, rgba(5,13,26,0.3) 0%, transparent 40%, rgba(5,13,26,0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--container-pad);
  padding-top: 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeSlideDown 0.8s ease 0.3s forwards;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6.5vw, 5.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeSlideUp 0.9s ease 0.5s forwards;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 40px;
  opacity: 0;
  animation: fadeSlideUp 0.9s ease 0.7s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 72px;
  opacity: 0;
  animation: fadeSlideUp 0.9s ease 0.9s forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 28px 40px;
  background: rgba(10,22,40,0.6);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  opacity: 0;
  animation: fadeSlideUp 0.9s ease 1.1s forwards;
}

.stat-item { text-align: center; padding: 0 40px; }

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-number::after { content: '+'; font-size: 1.4rem; color: var(--color-blue); }

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease 2s forwards;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-cyan));
  animation: scrollAnim 2s ease-in-out infinite;
}

.hero-scroll-hint span {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@keyframes scrollAnim {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ====================================================
   ABOUT
   ==================================================== */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-lead {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.about-body {
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
}

.about-credentials { display: flex; flex-direction: column; gap: 20px; }

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(26,108,255,0.04);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  transition: all var(--transition-med);
}

.credential-item:hover {
  background: rgba(26,108,255,0.08);
  border-color: rgba(26,108,255,0.5);
  transform: translateX(4px);
}

.credential-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,108,255,0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.credential-item strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.credential-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* About Card Stack */
.about-visual { position: relative; }

.about-card-stack {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card {
  position: absolute;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.about-card-back {
  width: 85%;
  height: 85%;
  background: rgba(26,108,255,0.06);
  border-color: rgba(26,108,255,0.1);
  transform: rotate(-5deg) translateY(10px);
}

.about-card-mid {
  width: 90%;
  height: 90%;
  background: rgba(26,108,255,0.08);
  border-color: rgba(26,108,255,0.15);
  transform: rotate(-2deg) translateY(5px);
}

.about-card-front {
  position: relative;
  width: 100%;
  padding: 28px;
  background: var(--bg-card);
  border-color: var(--border-blue);
  box-shadow: var(--glow-blue);
}

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

.card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 5px 12px;
  border-radius: 100px;
}

.mini-globe-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  width: 260px;
  height: 260px;
}

#mini-globe { display: block; }

.about-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.about-card-stats > div { text-align: center; }

.card-stat-n {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: -0.03em;
}

.card-stat-l {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ====================================================
   SERVICES
   ==================================================== */
.services { background: var(--bg-primary); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-med);
  overflow: hidden;
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-blue), transparent);
  opacity: 0;
  transition: opacity var(--transition-med);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-blue);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 40px rgba(26,108,255,0.1);
}

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

.service-card-inner { padding: 32px; height: 100%; display: flex; flex-direction: column; }

.service-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--color, 26,108,255), 0.08);
  border: 1px solid rgba(var(--color, 26,108,255), 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  transition: all var(--transition-med);
}

.service-card:hover .service-icon-wrap {
  background: rgba(26,108,255,0.15);
  box-shadow: 0 0 20px rgba(26,108,255,0.2);
}

.service-num {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.service-list li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.4;
}

.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-size: 0.7rem;
}

.service-card-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--border-subtle); }

.service-link {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link:hover { color: var(--color-cyan); gap: 10px; }
.service-link span { transition: transform var(--transition-fast); }
.service-link:hover span { transform: translateX(4px); }

/* ====================================================
   EXPERTISE
   ==================================================== */
.expertise {
  position: relative;
  background: var(--bg-secondary);
  overflow: hidden;
}

.expertise-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(26,108,255,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,212,255,0.03) 0%, transparent 50%);
  pointer-events: none;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 64px;
}

.expertise-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: rgba(26,108,255,0.06);
  border: 1px solid rgba(26,108,255,0.2);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-med);
  cursor: default;
}

.expertise-tag:hover,
.expertise-tag.featured {
  background: rgba(26,108,255,0.12);
  border-color: rgba(26,108,255,0.5);
  color: var(--text-primary);
}

.expertise-tag.featured { color: var(--color-cyan); border-color: rgba(0,212,255,0.35); background: rgba(0,212,255,0.06); }

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue);
  flex-shrink: 0;
}

.expertise-tag.featured .tag-dot { background: var(--color-cyan); }

.expertise-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.expertise-highlight-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-med);
}

.expertise-highlight-card:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}

.eh-icon {
  margin-bottom: 20px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.expertise-highlight-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.expertise-highlight-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ====================================================
   INTERACTIVE MAP
   ==================================================== */
.map-section {
  padding: var(--section-padding) 0 0;
  background: var(--bg-primary);
  overflow: hidden;
}

.map-header {
  text-align: center;
  padding: 0 var(--container-pad);
  margin-bottom: 48px;
}

.map-header .section-label { justify-content: center; }

.map-container {
  position: relative;
  width: 100%;
  height: 520px;
  background: linear-gradient(180deg, rgba(10,22,40,0.3) 0%, transparent 30%, rgba(5,13,26,0.8) 100%);
}

#world-map-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.map-legend {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(5,13,26,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.active-route { background: var(--color-blue); box-shadow: 0 0 6px var(--color-blue); }
.legend-dot.advisory-hub { background: var(--color-gold); box-shadow: 0 0 6px var(--color-gold); }
.legend-dot.traffic-node { background: var(--color-cyan); box-shadow: 0 0 6px var(--color-cyan); }

/* ====================================================
   CASE STUDIES
   ==================================================== */
.case-studies { background: var(--bg-secondary); }

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cs-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-med);
  cursor: pointer;
}

.cs-card:hover {
  border-color: var(--border-blue);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.cs-card-header { padding: 32px; }

.cs-icon-area {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cs-num {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--color-blue);
}

.cs-category {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 4px 10px;
  border-radius: 100px;
}

.cs-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.cs-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.cs-expand-hint {
  font-size: 0.78rem;
  color: var(--color-blue);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition-fast);
}

.cs-arrow {
  display: inline-block;
  transition: transform var(--transition-med);
}

.cs-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 32px;
  border-top: 0px solid transparent;
}

.cs-card[aria-expanded="true"] .cs-body {
  max-height: 700px;
  padding: 0 32px 32px;
  border-top: 1px solid var(--border-subtle);
}

.cs-card[aria-expanded="true"] .cs-arrow { transform: rotate(180deg); }
.cs-card[aria-expanded="true"] { border-color: var(--border-blue); }

.cs-section { margin-bottom: 20px; }

.cs-section h4 {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 8px;
  padding-top: 20px;
}

.cs-section p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.cs-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
  padding: 20px;
  background: rgba(26,108,255,0.05);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
}

.cs-result-item { text-align: center; }

.cs-result-n {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-blue);
  letter-spacing: -0.03em;
}

.cs-result-l {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ====================================================
   INSIGHTS
   ==================================================== */
.insights { background: var(--bg-primary); }

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

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

.insight-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.insight-featured {
  grid-column: 1 / 3;
  background: linear-gradient(135deg, rgba(26,108,255,0.08) 0%, rgba(10,22,40,1) 60%);
  border-color: var(--border-blue);
}

.insight-featured .insight-title { font-size: 1.35rem; }

.insight-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 12px;
}

.insight-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.insight-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}

.insight-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.insight-date { font-size: 0.78rem; color: var(--text-muted); }

.insight-read {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-blue);
  transition: all var(--transition-fast);
}

.insight-read:hover { color: var(--color-cyan); letter-spacing: 0.02em; }

/* ====================================================
   CONTACT
   ==================================================== */
.contact {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-blue), var(--color-cyan), var(--color-blue), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details { display: flex; flex-direction: column; gap: 20px; }

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,108,255,0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.detail-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.detail-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  background: rgba(26,108,255,0.05);
  box-shadow: 0 0 0 3px rgba(26,108,255,0.1);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231a6cff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: 0.75rem;
  color: var(--color-red);
  min-height: 16px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 18px 32px;
  font-size: 1rem;
  border-radius: var(--radius-md);
  margin-top: 4px;
  position: relative;
  overflow: hidden;
}

.btn-submit .btn-icon { font-size: 1.1rem; }

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-green);
}

.form-success.show { display: flex; }

/* ====================================================
   FOOTER
   ==================================================== */
.footer { background: var(--bg-primary); }

.footer-top {
  padding: 80px 0 60px;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: 20px;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links-col a:hover { color: var(--color-blue); }

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media (max-width: 1100px) {
  :root { --section-padding: 80px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-featured { grid-column: 1 / 3; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  :root { --container-pad: 24px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .about-card-stack { height: 360px; }
  .expertise-highlight-grid, .case-studies-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .insight-featured { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-tagline { max-width: none; }
  .stat-item { padding: 0 20px; }
  .stat-number { font-size: 1.8rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(5,13,26,0.98); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-subtle); padding: 20px 24px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 24px; }
  .stat-divider { width: 60px; height: 1px; }
  .hero-title { font-size: 2.8rem; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .contact-form-wrapper { padding: 24px; }
}

@media (max-width: 480px) {
  :root { --section-padding: 60px; }
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .cs-results { grid-template-columns: 1fr; }
  .about-card-stack { height: 300px; }
  .mini-globe-wrapper { width: 200px; height: 200px; }
}