/* ─── DESIGN TOKENS ──────────────────────────────── */
:root {
  --bg:               #0e0e0e;
  --surface:          #131313;
  --surface-low:      #181818;
  --surface-mid:      #1e1e1e;
  --surface-high:     #252525;
  --surface-highest:  #2d2d2d;

  --primary:          #00f2ff;
  --primary-dim:      #006a71;
  --primary-glow:     rgba(0,242,255,0.12);
  --primary-glow-sm:  rgba(0,242,255,0.06);

  --on-surface:       #e2e2e2;
  --on-surface-var:   #9a9a9a;
  --on-surface-dim:   #555555;
  --outline:          rgba(255,255,255,0.07);
  --outline-hover:    rgba(0,242,255,0.25);

  --font-display:     'Syne', sans-serif;
  --font-body:        'DM Sans', sans-serif;
  --font-mono:        'JetBrains Mono', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── RESET ──────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ─── NOISE TEXTURE ──────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 0;
}

/* ─── NAV ────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 52px;
  height: 64px;
  background: rgba(13,13,13,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--outline);
  transition: background var(--transition);
}
nav.scrolled { background: rgba(10,10,10,0.92); }
.nav-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--primary);
  letter-spacing: 0.05em;
  text-decoration: none;
}
.nav-links {
  display: flex; gap: 6px; align-items: center;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-var);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--on-surface); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 14px; right: 14px;
  height: 1px;
  background: var(--primary);
  opacity: 0.6;
}
.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
  border: 1px solid rgba(0,242,255,0.28);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--primary-glow); border-color: rgba(0,242,255,0.55); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none; background: none;
}
.nav-hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--on-surface-var);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-drawer {
  position: fixed; top: 64px; left: 0; right: 0;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  padding: 24px 32px 32px;
  display: none; flex-direction: column; gap: 4px;
  border-bottom: 1px solid var(--outline);
  z-index: 199;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--on-surface-var);
  padding: 12px 0;
  border-bottom: 1px solid var(--outline);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-drawer a:hover, .nav-drawer a.active { color: var(--primary); }
.nav-drawer .nav-cta { margin-top: 16px; text-align: center; border: 1px solid rgba(0,242,255,0.28); padding: 12px 20px; }

/* ─── PAGE WRAPPER ────────────────────────────────── */
.page-wrapper {
  position: relative; z-index: 1;
  padding-top: 64px;
  min-height: 100vh;
}

/* ─── SECTION UTILITIES ───────────────────────────── */
.section {
  padding: 96px 52px;
  max-width: 1240px;
  margin: 0 auto;
}
.section-sm { padding: 72px 52px; }
.band { background: var(--surface-low); }
.band-mid { background: var(--surface); }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.section-eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--primary);
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.022em;
  line-height: 1.08;
  color: var(--on-surface);
}
.section-subtitle {
  margin-top: 16px;
  font-size: 15px;
  color: var(--on-surface-var);
  max-width: 580px;
  line-height: 1.75;
}

/* ─── BUTTONS ─────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
  color: #081718;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  letter-spacing: 0.04em;
  transition: opacity var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-2px); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,242,255,0.22);
  letter-spacing: 0.04em;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-secondary:hover { background: var(--primary-glow); border-color: rgba(0,242,255,0.48); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  color: var(--on-surface-var);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline);
  letter-spacing: 0.04em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { color: var(--on-surface); border-color: rgba(255,255,255,0.18); background: rgba(255,255,255,0.03); }

/* ─── CARDS ───────────────────────────────────────── */
.card {
  background: var(--surface-high);
  border: 1px solid var(--outline);
  border-radius: var(--radius-lg);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  background: var(--surface-highest);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 32px var(--primary-glow-sm);
  transform: translateY(-3px);
}
.card-inner-glow::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 60px; height: 60px;
  background: radial-gradient(ellipse at top left, rgba(0,242,255,0.1), transparent);
  border-radius: inherit 0 0;
  pointer-events: none;
}

/* ─── CHIPS ───────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-var);
  background: var(--surface-mid);
  border: 1px solid var(--outline);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  transition: color var(--transition), border-color var(--transition);
  cursor: default;
}
.chip:hover { color: var(--on-surface); border-color: var(--outline-hover); }
.chip.accent {
  color: var(--primary);
  background: var(--primary-glow-sm);
  border-color: rgba(0,242,255,0.15);
}

/* ─── SOCIAL CHIPS ────────────────────────────────── */
.social-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-mid);
  border: 1px solid var(--outline);
  color: var(--on-surface-var);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  letter-spacing: 0.05em;
}
.social-chip:hover { border-color: rgba(0,242,255,0.32); color: var(--primary); background: var(--primary-glow-sm); }
.social-chip svg { width: 14px; height: 14px; fill: currentColor; flex-shrink: 0; }

/* ─── FOOTER ──────────────────────────────────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--outline);
  padding: 32px 52px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  position: relative; z-index: 1;
}
.footer-left {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-dim);
}
.footer-right {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-dim);
  display: flex; align-items: center; gap: 20px;
}
.footer-right a {
  color: var(--on-surface-dim);
  transition: color var(--transition);
}
.footer-right a:hover { color: var(--primary); }

/* ─── SCROLL REVEAL ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ─── PAGE HERO STRIP ─────────────────────────────── */
.page-hero {
  background: var(--surface-low);
  border-bottom: 1px solid var(--outline);
  padding: 72px 52px 64px;
}
.page-hero-inner {
  max-width: 1240px;
  margin: 0 auto;
}
.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.page-hero-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--primary); }
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.02;
  color: var(--on-surface);
}
.page-hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--primary-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero-sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--on-surface-var);
  max-width: 560px;
  line-height: 1.7;
}

/* ─── HIGHLIGHT CARD ──────────────────────────────── */
.highlight-card {
  background: var(--surface-high);
  border: 1px solid var(--outline);
  border-left: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: background var(--transition), box-shadow var(--transition);
}
.highlight-card:hover {
  background: var(--surface-highest);
  box-shadow: 0 0 24px rgba(0,242,255,0.05);
}
.highlight-card .h-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.highlight-card .h-value {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.25;
}
.highlight-card .h-sub {
  font-size: 12px;
  color: var(--on-surface-var);
  margin-top: 3px;
}

/* ─── TIMELINE ─────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 36px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 20px;
  width: 1px;
  background: linear-gradient(to bottom, var(--primary), rgba(0,242,255,0.04));
}
.timeline-item {
  position: relative;
  margin-bottom: 56px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -40px; top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary), 0 0 20px rgba(0,242,255,0.3);
}
.timeline-meta {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.timeline-period {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  letter-spacing: 0.05em;
}
.timeline-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--on-surface-dim);
  background: var(--surface-high);
  border: 1px solid var(--outline);
  padding: 2px 9px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}
.timeline-badge.current {
  color: var(--primary);
  border-color: rgba(0,242,255,0.2);
  background: var(--primary-glow-sm);
}
.timeline-role {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.timeline-company {
  font-size: 13.5px;
  color: var(--on-surface-var);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.timeline-location {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--on-surface-dim);
}
.timeline-bullets {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 14px;
}
.timeline-bullets li {
  font-size: 13.5px;
  color: var(--on-surface-var);
  line-height: 1.65;
  padding-left: 18px;
  position: relative;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--primary-dim);
  font-size: 11px;
  top: 4px;
}
.tl-tags {
  display: flex; flex-wrap: wrap; gap: 7px;
}

/* ─── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 960px) {
  nav { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-drawer { padding: 20px 20px 28px; }
  .section, .section-sm { padding: 56px 20px; }
  .page-hero { padding: 48px 20px 40px; }
  .timeline { padding-left: 28px; }
  .timeline-dot { left: -32px; }
  footer {
    padding: 24px 20px;
    align-items: flex-start;
  }
  .footer-right {
    gap: 14px;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  nav {
    height: 60px;
    padding: 0 16px;
  }
  .page-wrapper { padding-top: 60px; }
  .nav-drawer {
    top: 60px;
    padding: 18px 16px 24px;
  }
  .section, .section-sm { padding: 48px 16px; }
  .page-hero { padding: 40px 16px 32px; }
  .section-title { font-size: 28px; }
  .section-subtitle,
  .page-hero-sub { font-size: 14px; line-height: 1.7; }
  .page-hero-eyebrow,
  .section-eyebrow { letter-spacing: 0.14em; }
  .highlight-card { padding: 16px; }
  .timeline { padding-left: 22px; }
  .timeline::before { top: 10px; bottom: 12px; }
  .timeline-dot {
    left: -26px;
    width: 8px;
    height: 8px;
  }
  .timeline-role { font-size: 19px; }
  .timeline-bullets li { padding-left: 16px; }
  .chip,
  .social-chip {
    font-size: 10px;
    padding: 7px 11px;
    letter-spacing: 0.04em;
  }
  footer { padding: 20px 16px; }
}