/* ============================================
   AGE TEGRATION — Design Tokens
   ============================================ */
:root {
  --ink: #0D1512;
  --ink-2: #0A0F0D;
  --panel: #141F1B;
  --panel-line: #24312C;
  --paper: #F2EFE9;
  --muted: #93968F;
  --signal: #FF6B35;
  --mint: #7FE0C4;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-size: 12px;
  color: var(--mint);
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  max-width: 780px;
}

::selection { background: var(--signal); color: var(--ink); }

/* Focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* Noise overlay for texture */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='100'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(to bottom, rgba(13,21,18,0.92), rgba(13,21,18,0));
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.logo span { color: var(--mint); }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--paper); }
.nav-cta {
  color: var(--ink) !important;
  background: var(--mint);
  padding: 9px 18px;
  border-radius: 100px;
  font-weight: 500;
}
.nav-cta:hover { background: var(--paper) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--paper);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary {
  background: var(--signal);
  color: var(--ink);
}
.btn-primary:hover { background: var(--mint); transform: translateY(-2px); }
.btn-ghost {
  color: var(--paper);
  border: 1px solid var(--panel-line);
}
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
.btn-large { padding: 18px 36px; font-size: 16px; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 78px;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero-title {
  font-size: clamp(40px, 7vw, 84px);
  line-height: 1.02;
  max-width: 900px;
}
.hero-sub {
  margin-top: 24px;
  max-width: 560px;
  font-size: 18px;
  color: var(--muted);
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   PROCESS THREAD (signature element)
   ============================================ */
.process {
  padding: 140px 0 100px;
  position: relative;
}
.thread {
  position: relative;
  margin-top: 80px;
  padding-left: 60px;
}
.thread-line {
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--panel-line);
}
.thread-progress {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 0%;
  background: var(--mint);
  transition: height 0.1s linear;
}
.thread-step {
  position: relative;
  padding: 0 0 72px 40px;
}
.thread-step:last-child { padding-bottom: 0; }
.thread-marker {
  position: absolute;
  left: -60px;
  top: -4px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--panel-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--muted);
  transition: all 0.3s ease;
}
.thread-step.active .thread-marker {
  border-color: var(--mint);
  color: var(--mint);
  background: var(--ink);
  box-shadow: 0 0 0 4px rgba(127,224,196,0.12);
}
.thread-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.thread-content p {
  color: var(--muted);
  max-width: 480px;
  margin: 0;
}

/* ============================================
   IDEA MOMENT (lightbulb section)
   ============================================ */
.idea-moment {
  position: relative;
  padding: 160px 0;
  background: var(--panel);
  overflow: hidden;
  text-align: center;
}
.idea-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}
.idea-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.idea-inner .section-title { max-width: 720px; }
.idea-sub {
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
  max-width: 480px;
}

/* ============================================
   SECTORS
   ============================================ */
.sectors { padding: 140px 0; }
.sector-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.sector-card {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.sector-card:hover {
  border-color: var(--mint);
  transform: translateY(-4px);
}
.sector-tag {
  font-size: 11px;
  color: var(--signal);
}
.sector-card h3 {
  font-size: 21px;
  font-weight: 600;
  margin: 16px 0 24px;
  line-height: 1.35;
}
.transcript {
  border-top: 1px solid var(--panel-line);
  padding-top: 20px;
  font-size: 13px;
  line-height: 1.9;
}
.transcript p { margin: 0 0 10px; color: var(--paper); }
.transcript p:last-child { margin-bottom: 0; }
.t-in { color: var(--muted); margin-right: 8px; }
.t-agent { color: var(--mint); margin-right: 8px; }
.t-sys { color: var(--signal); margin-right: 8px; }

/* ============================================
   REACH (globe section)
   ============================================ */
.reach {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.globe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.reach-inner {
  position: relative;
  z-index: 2;
}
.reach-sub {
  margin-top: 20px;
  color: var(--muted);
  max-width: 480px;
  font-size: 17px;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  padding: 160px 0 180px;
  text-align: center;
}
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-inner .section-title { max-width: 640px; }
.cta-sub {
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
}
.cta-inner .btn { margin-top: 36px; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--panel-line);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { font-size: 14px; color: var(--muted); }
.footer-nav a:hover { color: var(--paper); }
.footer-copy { font-size: 12px; color: var(--muted); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .sector-grid { grid-template-columns: 1fr; }
  .thread { padding-left: 20px; }
}