/* ========================================================================
   SetubalAI — Landing Page Stylesheet
   ======================================================================== */

:root {
  --bg: #050508;
  --gold-1: #c9a227;
  --gold-2: #f4d03f;
  --teal: #2dd4bf;
  --violet: #8b5cf6;
  --text-primary: #f0f1f5;
  --text-secondary: #a0a5b8;
  --text-tertiary: #6b7084;
  --border: rgba(240, 241, 245, 0.08);
  --border-strong: rgba(240, 241, 245, 0.14);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-bg-hover: rgba(255, 255, 255, 0.06);
  --gold-gradient: linear-gradient(120deg, var(--gold-1), var(--gold-2));
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.serif-accent {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 120px 0; }
@media (max-width: 768px) { section { padding: 72px 0; } }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

h1, h2, h3, h4 { font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--text-secondary); }

.text-gradient {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Loader ===== */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 24px;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
#loader.loaded { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-logo { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em; }
.loader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px; overflow: hidden;
}
.loader-bar-fill {
  height: 100%; width: 0%;
  background: var(--gold-gradient);
  border-radius: 4px;
  animation: loaderFill 1.4s ease forwards;
}
@keyframes loaderFill { to { width: 100%; } }

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
}
.nav.scrolled {
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 1px 0 var(--border);
  padding: 14px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.2rem; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-gradient); box-shadow: 0 0 10px var(--gold-2); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  transition: color 0.2s var(--ease);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--gold-gradient);
  color: #0a0a0c;
  font-weight: 700; font-size: 14px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244, 208, 63, 0.35); }
.nav-cta-telegram {
  background: rgba(45,212,191,0.12);
  color: var(--teal);
  border: 1px solid rgba(45,212,191,0.35);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta-telegram:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,212,191,0.25); background: rgba(45,212,191,0.18); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text-primary); transition: 0.3s; }

@media (max-width: 968px) {
  .nav-links { position: fixed; top: 0; right: -100%; height: 100vh; width: min(320px, 80vw);
    background: rgba(8,8,12,0.98); backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; gap: 28px;
    transition: right 0.4s var(--ease); border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; z-index: 1001; }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  padding-top: 120px;
  overflow: hidden;
}
.hero-video-wrap {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
}
.hero-video-wrap video {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.28;
  filter: saturate(1.1) contrast(1.05);
}
.hero-video-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(5,5,8,0.2), var(--bg) 75%),
              linear-gradient(180deg, rgba(5,5,8,0.4), var(--bg) 95%);
}
.hero-glow {
  position: absolute; top: -20%; left: 50%; translate: -50% 0;
  width: 900px; height: 900px; z-index: 0;
  background: radial-gradient(circle, rgba(201,162,39,0.15), transparent 65%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 900px; margin: 0 auto; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 100px;
  font-size: 13px; font-weight: 600;
  background: rgba(255,255,255,0.04);
  margin-bottom: 28px;
  animation: fadeUp 0.8s var(--ease) both;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  margin-bottom: 24px;
  animation: fadeUp 0.8s var(--ease) 0.1s both;
}
.hero h1 em {
  font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400;
  background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 620px; margin: 0 auto 40px;
  animation: fadeUp 0.8s var(--ease) 0.2s both;
}
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 72px;
  animation: fadeUp 0.8s var(--ease) 0.3s both; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 30px;
  border-radius: 100px;
  font-weight: 700; font-size: 15px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn-primary { background: var(--gold-gradient); color: #0a0a0c; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(244, 208, 63, 0.35); }
.btn-secondary { background: rgba(255,255,255,0.05); color: var(--text-primary); border: 1px solid var(--border-strong); }
.btn-secondary:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.btn-teal { background: linear-gradient(120deg, var(--teal), #14b8a6); color: #04201c; }
.btn-teal:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(45, 212, 191, 0.3); }
.btn-telegram { display: inline-flex; align-items: center; gap: 8px; }
.btn-telegram svg { flex-shrink: 0; }

.hero-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; max-width: 820px; margin: 0 auto;
  animation: fadeUp 0.8s var(--ease) 0.4s both;
}
.metric { text-align: center; padding: 20px 8px; border-radius: var(--radius-md);
  border: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.metric-value {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
  font-family: 'JetBrains Mono', monospace;
}
.metric-label { font-size: 13px; color: var(--text-tertiary); margin-top: 6px; }

@media (max-width: 768px) { .hero-metrics { grid-template-columns: repeat(2, 1fr); } }

@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

.scroll-cue {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: var(--text-tertiary); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  animation: bounce 2.4s ease-in-out infinite;
}
.scroll-cue span { width: 1px; height: 30px; background: linear-gradient(180deg, var(--text-tertiary), transparent); }
@keyframes bounce { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ===== Services ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1280px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card-bg);
  cursor: pointer;
  transition: border-color 0.45s var(--ease), box-shadow 0.45s var(--ease), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  will-change: transform;
}
.service-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: var(--radius-md);
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(244,208,63,0.16), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
  z-index: 1;
}
.service-card:hover::before,
.service-card:focus-visible::before { opacity: 1; }
.service-card:hover {
  border-color: rgba(201,162,39,0.45);
  box-shadow: 0 26px 70px -20px rgba(201,162,39,0.32), 0 8px 24px -8px rgba(0,0,0,0.4);
}
.service-card:focus-visible {
  outline: 2px solid var(--gold-2);
  outline-offset: 3px;
  border-color: rgba(244,208,63,0.6);
}
.service-card.is-flipping {
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.4s ease;
  transform: perspective(1200px) rotateY(-15deg) scale(0.94) !important;
  opacity: 0;
  pointer-events: none;
}
.services-grid.is-transitioning .service-card:not(.is-flipping) {
  transition: opacity 0.4s ease;
  opacity: 0.4;
}
.service-card-img { height: 160px; overflow: hidden; position: relative; }
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.5s var(--ease);
  filter: grayscale(80%) contrast(1.08) brightness(0.72) sepia(22%) saturate(1.1);
}
.service-card:hover .service-card-img img {
  transform: scale(1.08);
  filter: grayscale(35%) contrast(1.12) brightness(0.92) sepia(28%) saturate(1.4);
}
.service-card-img::after { content:''; position:absolute; inset:0; background: linear-gradient(180deg, transparent 40%, rgba(5,5,8,0.9)); }
.service-card-body { padding: 22px 22px 30px; position: relative; z-index: 2; }
.service-icon { width: 40px; height: 40px; margin-bottom: 14px; color: var(--gold-2); filter: drop-shadow(0 0 8px rgba(244,208,63,0.4)); transition: transform 0.4s var(--ease); }
.service-card:hover .service-icon { transform: scale(1.08) translateY(-2px); }
.service-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.service-card p { font-size: 14px; line-height: 1.6; }

/* ===== Marketplace ===== */
.filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 20px; border-radius: 100px; font-size: 14px; font-weight: 600;
  border: 1px solid var(--border-strong); color: var(--text-secondary);
  transition: all 0.25s var(--ease);
}
.filter-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.filter-btn.active { background: var(--gold-gradient); color: #0a0a0c; border-color: transparent; }

.chips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 968px) { .chips-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .chips-grid { grid-template-columns: 1fr; } }

.skill-chip {
  padding: 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card-bg);
  transition: all 0.3s var(--ease);
  display: flex; flex-direction: column; gap: 8px;
}
.skill-chip.hidden { display: none; }
.skill-chip:hover { background: var(--card-bg-hover); border-color: var(--border-strong); transform: translateY(-4px); }
.skill-chip .cat-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--violet); }
.skill-chip h4 { font-size: 0.95rem; font-weight: 700; }
.skill-chip.cta-chip { border-style: dashed; border-color: var(--border-strong); align-items: center; justify-content: center; text-align: center; }
.skill-chip.cta-chip h4 { background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ===== Industries ===== */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 968px) { .industries-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .industries-grid { grid-template-columns: 1fr; } }

.industry-card { position: relative; border-radius: var(--radius-md); overflow: hidden; height: 280px; border: 1px solid var(--border); }
.industry-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.5s var(--ease);
  filter: grayscale(80%) contrast(1.08) brightness(0.72) sepia(22%) saturate(1.1);
}
.industry-card:hover img {
  transform: scale(1.06);
  filter: grayscale(35%) contrast(1.12) brightness(0.92) sepia(28%) saturate(1.4);
}
.industry-card::before { content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(5,5,8,0.1), rgba(5,5,8,0.95)); z-index: 1; }
.industry-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 22px; z-index: 2; }
.industry-content h3 { margin-bottom: 10px; }
.status-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 100px; }
.status-live { background: rgba(45,212,191,0.15); color: var(--teal); border: 1px solid rgba(45,212,191,0.3); }
.status-building { background: rgba(244,208,63,0.15); color: var(--gold-2); border: 1px solid rgba(244,208,63,0.3); }
.status-planned { background: rgba(139,92,246,0.15); color: var(--violet); border: 1px solid rgba(139,92,246,0.3); }

/* ===== Case Study ===== */
.case-study { background: linear-gradient(180deg, rgba(201,162,39,0.04), transparent); }
.case-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
@media (max-width: 968px) { .case-grid { grid-template-columns: 1fr; } }
.case-video { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-strong); box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6); }
.case-video video { width: 100%; display: block; }
.case-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0 40px; }
.case-metric { text-align: center; padding: 20px 8px; border-radius: var(--radius-md); border: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.case-metric .metric-value { font-size: clamp(1.4rem, 2.6vw, 2rem); }

/* ===== WhatsApp Demo ===== */
.wa-demo-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
@media (max-width: 968px) { .wa-demo-wrap { grid-template-columns: 1fr; } }
.wa-phone {
  background: #0b141a; border-radius: 32px; padding: 16px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7);
  max-width: 380px; margin: 0 auto;
}
.wa-header { display: flex; align-items: center; gap: 10px; padding: 10px 8px 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.wa-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--gold-gradient); display: flex; align-items: center; justify-content: center; font-weight: 800; color: #0a0a0c; font-size: 13px; }
.wa-header-name { font-size: 14px; font-weight: 700; }
.wa-header-status { font-size: 11px; color: var(--teal); }
.wa-body { min-height: 380px; padding: 16px 4px; display: flex; flex-direction: column; gap: 10px; background: #0b141a; }
.wa-msg { max-width: 78%; padding: 10px 14px; border-radius: 12px; font-size: 13.5px; line-height: 1.4; opacity: 0; transform: translateY(10px); transition: opacity 0.4s ease, transform 0.4s ease; }
.wa-msg.show { opacity: 1; transform: translateY(0); }
.wa-msg.in { align-self: flex-start; background: #1f2c34; color: #e9edef; border-radius: 12px 12px 12px 2px; }
.wa-msg.out { align-self: flex-end; background: #005c4b; color: #e9edef; border-radius: 12px 12px 2px 12px; }
.wa-msg .wa-time { display: block; font-size: 10px; color: rgba(255,255,255,0.4); margin-top: 4px; text-align: right; }
.wa-stats { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 32px; }
.wa-stat { flex: 1; min-width: 180px; padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.wa-stat .metric-value { font-size: 1.8rem; }

/* ===== Process ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 968px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { position: relative; padding: 28px 22px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--card-bg); }
.process-num { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text-tertiary); margin-bottom: 16px; }
.process-icon { width: 44px; height: 44px; margin-bottom: 16px; color: var(--teal); filter: drop-shadow(0 0 8px rgba(45,212,191,0.4)); }
.process-step h3 { margin-bottom: 8px; font-size: 1.05rem; }
.process-step p { font-size: 14px; }
.process-step:not(:last-child)::after {
  content: ''; position: absolute; top: 50%; right: -13px; width: 26px; height: 1px;
  background: var(--border-strong); display: none;
}
@media (min-width: 969px) { .process-step:not(:last-child)::after { display: block; } }

/* ===== Pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
@media (max-width: 968px) { .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }
.price-card { padding: 36px 30px; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--card-bg); display: flex; flex-direction: column; position: relative; }
.price-card.featured { border-color: rgba(201,162,39,0.5); background: linear-gradient(160deg, rgba(201,162,39,0.08), rgba(255,255,255,0.02)); transform: scale(1.03); box-shadow: 0 30px 80px -30px rgba(201,162,39,0.3); }
.price-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--gold-gradient); color: #0a0a0c; font-size: 12px; font-weight: 800; padding: 6px 18px; border-radius: 100px; white-space: nowrap; }
.price-name { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.price-desc { font-size: 13px; margin-bottom: 24px; }
.price-amount { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
.price-amount .setup { font-size: 2rem; font-weight: 800; }
.price-amount .period { font-size: 13px; color: var(--text-tertiary); }
.price-monthly { font-size: 14px; color: var(--teal); font-weight: 700; margin-bottom: 24px; }
.price-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 12px; flex-grow: 1; }
.price-features li { font-size: 14px; color: var(--text-secondary); display: flex; gap: 10px; align-items: flex-start; }
.price-features li svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--teal); }
.price-card .btn { width: 100%; justify-content: center; }

/* ===== Final CTA ===== */
.final-cta { text-align: center; position: relative; }
.final-cta::before { content: ''; position: absolute; top: 0; left: 50%; translate: -50% 0; width: 700px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.12), transparent 70%); z-index: 0; }
.final-cta-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.final-cta h2 { margin-bottom: 20px; }
.final-cta-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

/* ===== Footer ===== */
footer { border-top: 1px solid var(--border); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand p { font-size: 14px; margin-top: 12px; max-width: 280px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-tertiary); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-tertiary); }
.social-links { display: flex; gap: 14px; }
.social-links a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.social-links a:hover { border-color: var(--teal); color: var(--teal); }
.social-links svg { width: 16px; height: 16px; }

/* Utility */
.mono { font-family: 'JetBrains Mono', monospace; }
::selection { background: rgba(244,208,63,0.3); }