/* ===================================================================
   GTBS Chain — Global Stylesheet
   ================================================================= */

:root {
  --gtbs-amber: #F5A623;
  --gtbs-amber-glow: #FFC247;
  --gtbs-amber-deep: #D88B0A;
  --gtbs-black: #08080A;
  --gtbs-dark: #0E0E12;
  --gtbs-card: #14141A;
  --gtbs-card-2: #1B1B22;
  --gtbs-border: #26262E;
  --gtbs-border-soft: #1E1E26;
  --gtbs-text: #F5F5F7;
  --gtbs-muted: #8B8B95;
  --gtbs-dim: #5A5A66;
  --grad-amber: linear-gradient(135deg, #FFC247 0%, #F5A623 50%, #D88B0A 100%);
  --grad-hero: radial-gradient(ellipse at 50% 0%, rgba(245,166,35,0.18) 0%, rgba(245,166,35,0) 50%);
  --shadow-amber: 0 0 60px rgba(245,166,35,0.35);
  --shadow-card: 0 30px 80px -20px rgba(0,0,0,0.6);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gtbs-black);
  color: var(--gtbs-text);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
h4 { font-size: 1.2rem; }

p { color: var(--gtbs-muted); font-size: 1.02rem; }

a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--gtbs-amber-glow); }

img { max-width: 100%; display: block; }

.mono { font-family: 'JetBrains Mono', 'Courier New', monospace; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-wide {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 28px;
}

/* =====  Background ambient FX  ===== */
.bg-fx {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-fx::before {
  content: '';
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 1200px; height: 1200px;
  background: radial-gradient(circle, rgba(245,166,35,0.12) 0%, transparent 60%);
  filter: blur(40px);
}
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* =====  Navigation  ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all .3s;
  background: rgba(8,8,10,0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 12px 0;
  background: rgba(8,8,10,0.85);
  border-bottom-color: var(--gtbs-border-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 36px; width: auto; }
.nav-logo:hover { color: inherit; }
.nav-menu {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--gtbs-text);
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
}
.nav-link:hover { background: rgba(245,166,35,0.08); color: var(--gtbs-amber-glow); }
.nav-link .chev {
  width: 10px; height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-2px,-2px);
  opacity: .6;
  transition: transform .25s;
}
.nav-item:hover .nav-link .chev { transform: rotate(225deg) translate(-2px,-2px); }

/* ===== Mega Menu ===== */
.mega-menu {
  --mm-cols: 2;
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: var(--mm-w, 720px);
  max-width: 92vw;
  background: rgba(16,16,22,0.96);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--gtbs-border);
  border-radius: 20px;
  padding: 14px;
  box-shadow:
    0 40px 80px -20px rgba(0,0,0,0.8),
    0 0 0 1px rgba(245,166,35,0.06),
    inset 0 1px 0 rgba(255,255,255,0.04);
  opacity: 0; visibility: hidden;
  transition: all .28s cubic-bezier(.4,0,.2,1);
  z-index: 50;
}
.mega-menu::before {
  /* invisible bridge so cursor can travel from link → menu without losing hover */
  content: '';
  position: absolute; left: 0; right: 0; top: -14px; height: 14px;
}
.mega-menu::after {
  /* amber glow under the panel */
  content: '';
  position: absolute; left: 50%; bottom: -40px;
  width: 60%; height: 60px;
  background: radial-gradient(ellipse, rgba(245,166,35,0.18), transparent 60%);
  transform: translateX(-50%);
  filter: blur(20px);
  z-index: -1;
}
.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-inner {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 14px;
}
.mega-menu:not(:has(.mm-promo)) .mega-menu-inner { grid-template-columns: 1fr; }

.mm-items {
  display: grid;
  grid-template-columns: repeat(var(--mm-cols), 1fr);
  gap: 4px;
}

.mm-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px;
  border-radius: 14px;
  text-decoration: none;
  transition: all .2s ease;
  position: relative;
  border: 1px solid transparent;
}
.mm-item:hover {
  background: linear-gradient(135deg, rgba(245,166,35,0.08), rgba(245,166,35,0.02));
  border-color: rgba(245,166,35,0.18);
}

.mm-icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(245,166,35,0.14), rgba(245,166,35,0.03));
  border: 1px solid rgba(245,166,35,0.2);
  color: var(--gtbs-amber-glow);
  transition: all .25s ease;
}
.mm-icon svg { width: 20px; height: 20px; }
.mm-item:hover .mm-icon {
  background: linear-gradient(135deg, rgba(245,166,35,0.28), rgba(245,166,35,0.08));
  border-color: rgba(245,166,35,0.45);
  transform: scale(1.04);
  box-shadow: 0 6px 18px rgba(245,166,35,0.2);
}

.mm-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.mm-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gtbs-text);
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.mm-tag {
  display: inline-block;
  padding: 2px 7px;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gtbs-amber-glow);
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: 6px;
  line-height: 1.2;
}
.mm-desc {
  font-size: 0.82rem;
  color: var(--gtbs-muted);
  line-height: 1.45;
}

/* Promo card on right side */
.mm-promo {
  position: relative;
  padding: 22px 20px;
  background:
    radial-gradient(ellipse at top right, rgba(245,166,35,0.18), transparent 60%),
    linear-gradient(180deg, rgba(245,166,35,0.06), rgba(20,20,26,0.6));
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.mm-promo::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse at top right, black 20%, transparent 70%);
  pointer-events: none;
}
.mm-promo-glyph {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(245,166,35,0.22), rgba(245,166,35,0.05));
  border: 1px solid rgba(245,166,35,0.35);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.mm-promo-glyph img { width: 60%; filter: drop-shadow(0 2px 6px rgba(245,166,35,0.5)); }
.mm-promo-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--gtbs-text);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}
.mm-promo-desc {
  font-size: 0.82rem;
  color: var(--gtbs-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.mm-promo-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--gtbs-amber-glow);
  text-decoration: none;
  position: relative;
  z-index: 1;
}
.mm-promo-link svg { width: 14px; height: 14px; transition: transform .2s; }
.mm-promo-link:hover svg { transform: translateX(3px); }

@media (max-width: 1200px) {
  .mm-items { grid-template-columns: 1fr; }
  .mega-menu { width: 480px; }
  .mega-menu-inner { grid-template-columns: 1fr; }
  .mm-promo { display: none; }
}

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  background: var(--grad-amber);
  color: #1a1100 !important;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 999px;
  transition: all .25s;
  box-shadow: 0 4px 20px rgba(245,166,35,0.25);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(245,166,35,0.45);
  color: #1a1100 !important;
}

.nav-burger {
  display: none;
  background: none; border: none;
  width: 32px; height: 32px;
  flex-direction: column; justify-content: center; gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  display: block; height: 2px; width: 100%;
  background: var(--gtbs-text);
  border-radius: 2px;
  transition: all .25s;
}

@media (max-width: 1100px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-burger { display: flex; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 0; right: 0;
  width: 100%; max-width: 380px;
  height: 100vh;
  background: rgba(14,14,18,0.98);
  backdrop-filter: blur(30px);
  border-left: 1px solid var(--gtbs-border);
  padding: 80px 24px 32px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 99;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu details { margin-bottom: 8px; }
.mobile-menu summary {
  list-style: none;
  padding: 14px 18px;
  font-weight: 600;
  background: var(--gtbs-card);
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--gtbs-amber);
}
.mobile-menu details[open] summary::after { content: '−'; }
.mobile-menu details > a, .mobile-menu details > div > a {
  display: block;
  padding: 10px 18px 10px 32px;
  color: var(--gtbs-muted);
  font-size: 0.94rem;
}
.mobile-menu details > a:hover { color: var(--gtbs-amber-glow); }

/* =====  Hero  ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  isolation: isolate;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 8px;
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--gtbs-amber-glow);
  margin-bottom: 28px;
  font-weight: 500;
}
.hero-eyebrow .pulse {
  width: 8px; height: 8px;
  background: var(--gtbs-amber);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(245,166,35,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(245,166,35,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(245,166,35,0); }
  100% { box-shadow: 0 0 0 0 rgba(245,166,35,0); }
}

.hero h1 {
  margin-bottom: 24px;
}
.hero h1 .amber {
  background: var(--grad-amber);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.hero p.lede {
  font-size: 1.18rem;
  color: var(--gtbs-muted);
  max-width: 560px;
  margin-bottom: 36px;
}

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s;
  font-family: inherit;
}
.btn-primary {
  background: var(--grad-amber);
  color: #1a1100;
  box-shadow: 0 8px 30px rgba(245,166,35,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(245,166,35,0.5);
  color: #1a1100;
}
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--gtbs-border);
  color: var(--gtbs-text);
}
.btn-ghost:hover {
  background: rgba(245,166,35,0.08);
  border-color: rgba(245,166,35,0.4);
  color: var(--gtbs-amber-glow);
}
.btn .arr {
  transition: transform .25s;
}
.btn:hover .arr { transform: translateX(3px); }

/* hero stats */
.hero-stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 0;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gtbs-border-soft);
}
.hero-stat {
  padding-right: 24px;
}
.hero-stat + .hero-stat { padding-left: 24px; border-left: 1px solid var(--gtbs-border-soft); }
.hero-stat .v {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.7rem;
  background: var(--grad-amber);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.hero-stat .l { font-size: 0.78rem; color: var(--gtbs-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
@media (max-width: 640px) {
  .hero-stats { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .hero-stat + .hero-stat { padding-left: 0; border-left: none; }
}

/* hero 3D stage */
.hero-3d {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  height: auto;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
  perspective: 1200px;
  justify-self: end;
}
.hero-3d > canvas#particles {
  position: absolute; inset: 0;
  width: 100% !important; height: 100% !important;
}
.hero-3d .logo-float {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  transform-style: preserve-3d;
  animation: float 6s ease-in-out infinite;
}
.hero-3d .logo-float img {
  width: 55%;
  filter: drop-shadow(0 30px 50px rgba(245,166,35,0.5)) drop-shadow(0 0 80px rgba(245,166,35,0.4));
  animation: rotate3d 18s linear infinite;
  transform-style: preserve-3d;
}

/* Three.js 3D logo stage */
.three-logo-stage {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  opacity: 0;
  transition: opacity .8s ease-out;
  filter: drop-shadow(0 30px 60px rgba(245,166,35,0.45));
}
.three-logo-stage.three-loaded { opacity: 1; }
.three-logo-stage canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
@keyframes rotate3d {
  0% { transform: rotateY(0deg) rotateX(8deg); }
  100% { transform: rotateY(360deg) rotateX(8deg); }
}
.hero-3d::before {
  content: '';
  position: absolute; inset: 10%;
  background: radial-gradient(circle, rgba(245,166,35,0.35) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
  animation: pulse-glow 4s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%,100% { opacity: 0.5; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* orbital rings */
.orbit {
  position: absolute; inset: 0;
  border: 1px solid rgba(245,166,35,0.15);
  border-radius: 50%;
  z-index: 1;
}
.orbit-1 { inset: 5%; animation: spin 20s linear infinite; }
.orbit-2 { inset: 15%; animation: spin 30s linear infinite reverse; border-style: dashed; }
.orbit-3 { inset: 25%; animation: spin 15s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit::before {
  content: '';
  position: absolute; top: -4px; left: 50%;
  width: 8px; height: 8px;
  background: var(--gtbs-amber);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--gtbs-amber);
}
.orbit-2::before { background: var(--gtbs-amber-glow); }

/* =====  Sections  ===== */
section { position: relative; z-index: 1; }

.section {
  padding: 110px 0;
}
.section-sm { padding: 70px 0; }

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}
.section-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--gtbs-amber-glow);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  font-weight: 600;
}
.section-head h2 { margin-bottom: 18px; }
.section-head p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* =====  Cards  ===== */
.card {
  background: linear-gradient(180deg, var(--gtbs-card) 0%, var(--gtbs-card-2) 100%);
  border: 1px solid var(--gtbs-border-soft);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mx,50%) var(--my,50%), rgba(245,166,35,0.06), transparent 40%);
  opacity: 0;
  transition: opacity .35s;
  pointer-events: none;
}
.card:hover {
  border-color: rgba(245,166,35,0.3);
  transform: translateY(-4px);
}
.card:hover::before { opacity: 1; }

.card .icon-wrap {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(245,166,35,0.18), rgba(245,166,35,0.04));
  border: 1px solid rgba(245,166,35,0.25);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--gtbs-amber-glow);
}

/* =====  Footer  ===== */
.footer {
  position: relative;
  margin-top: 120px;
  padding: 80px 0 40px;
  border-top: 1px solid var(--gtbs-border-soft);
  background: linear-gradient(180deg, transparent, rgba(245,166,35,0.03));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
  gap: 50px;
  margin-bottom: 64px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
.footer-brand img { height: 38px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.92rem; max-width: 280px; line-height: 1.55; }
.footer-col h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  color: var(--gtbs-text);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 11px; }
.footer-col a {
  font-size: 0.92rem;
  color: var(--gtbs-muted);
  transition: color .15s;
}
.footer-col a:hover { color: var(--gtbs-amber-glow); }

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--gtbs-border-soft);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 18px;
  font-size: 0.86rem;
  color: var(--gtbs-dim);
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gtbs-card);
  border: 1px solid var(--gtbs-border-soft);
  border-radius: 10px;
  color: var(--gtbs-muted);
  transition: all .2s;
}
.footer-social a:hover {
  border-color: rgba(245,166,35,0.4);
  color: var(--gtbs-amber-glow);
  transform: translateY(-2px);
}

/* =====  Reveal on scroll  ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all .8s cubic-bezier(.16,1,.3,1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* =====  Marquee / logos  ===== */
.marquee {
  display: flex;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  padding: 30px 0;
  gap: 60px;
}
.marquee-track {
  display: flex;
  gap: 60px;
  animation: marquee 35s linear infinite;
  flex-shrink: 0;
}
.marquee-track span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gtbs-dim);
  white-space: nowrap;
  display: flex; align-items: center; gap: 14px;
}
.marquee-track span::after {
  content: '';
  width: 6px; height: 6px;
  background: var(--gtbs-amber);
  border-radius: 50%;
  opacity: 0.5;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =====  Page header (interior pages)  ===== */
.page-head {
  padding: 160px 0 60px;
  text-align: center;
  position: relative;
}
.page-head h1 { margin-bottom: 18px; }
.page-head p { font-size: 1.15rem; max-width: 640px; margin: 0 auto; }
.breadcrumb {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 24px;
  font-size: 0.86rem;
  color: var(--gtbs-muted);
}
.breadcrumb .sep { color: var(--gtbs-dim); }
.breadcrumb a:hover { color: var(--gtbs-amber-glow); }

/* =====  Utility  ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (max-width: 1100px) and (min-width: 901px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
}

.text-amber { color: var(--gtbs-amber-glow); }
.text-muted { color: var(--gtbs-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 16px; } .mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 16px; } .mb-4 { margin-bottom: 32px; }

/* =====  Badge / tag  ===== */
.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 6px;
}
.tag-amber { background: rgba(245,166,35,0.12); color: var(--gtbs-amber-glow); border: 1px solid rgba(245,166,35,0.25); }
.tag-green { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }
.tag-blue { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.25); }
.tag-purple { background: rgba(168,85,247,0.12); color: #c084fc; border: 1px solid rgba(168,85,247,0.25); }
.tag-soft { background: rgba(255,255,255,0.05); color: var(--gtbs-muted); border: 1px solid var(--gtbs-border); }

/* =====  CTA block  ===== */
.cta-block {
  position: relative;
  padding: 80px 60px;
  background: linear-gradient(135deg, rgba(245,166,35,0.12) 0%, rgba(245,166,35,0.03) 100%);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: 30px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-block::before {
  content: '';
  position: absolute; top: -50%; left: 50%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,166,35,0.3), transparent 60%);
  filter: blur(60px);
  transform: translateX(-50%);
  z-index: -1;
}
.cta-block h2 { margin-bottom: 18px; }
.cta-block p { font-size: 1.15rem; max-width: 560px; margin: 0 auto 32px; }

/* =====  3D coin (CSS only)  ===== */
.coin-3d {
  width: 200px; height: 200px;
  position: relative;
  transform-style: preserve-3d;
  animation: rotate3d 8s linear infinite;
}
.coin-face {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--grad-amber);
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 40px rgba(255,255,255,0.3), 0 20px 60px rgba(245,166,35,0.4);
}
.coin-face.back { transform: rotateY(180deg); }
.coin-face img { width: 60%; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)); }

/* selection */
::selection { background: var(--gtbs-amber); color: #1a1100; }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gtbs-black); }
::-webkit-scrollbar-thumb {
  background: var(--gtbs-border);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gtbs-amber-deep); }