:root {
  --bg: #050505;
  --bg-light: #0f1012;
  --text: #f5f5f7;
  --muted: #b5b8c4;
  --accent: #b6ff3c;
  --accent-2: #00d1ff;
  --accent-3: #ff4d00;
  --accent-4: #8a5bff;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 70% -10%, rgba(0, 209, 255, 0.25), transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, rgba(182, 255, 60, 0.2), transparent 55%),
    var(--bg);
  line-height: 1.5;
}

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

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

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  z-index: 0;
}

.container {
  width: min(1120px, 90vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(5, 5, 5, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.site-header .logo img {
  height: clamp(44px, 6vw, 64px);
}

.footer .logo img {
  height: 40px;
}

.sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-solid {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #050505;
  box-shadow: 0 12px 30px rgba(0, 209, 255, 0.2);
}

.btn-solid:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero {
  position: relative;
  padding: 90px 0 80px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(56px, 7vw, 110px);
  line-height: 0.9;
  margin: 12px 0 20px;
  letter-spacing: 2px;
}

.subhead {
  color: var(--muted);
  font-size: 18px;
  max-width: 520px;
}

.proof-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.5px;
}

.proof-item {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 12px;
  color: var(--accent);
  margin: 0 0 8px;
}

.cta-row {
  display: flex;
  gap: 16px;
  margin: 24px 0 28px;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.hero-badges span {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.hero-visual {
  position: relative;
}

.product-card {
  background: linear-gradient(160deg, rgba(11, 95, 255, 0.3), rgba(0, 209, 255, 0.12));
  border-radius: 28px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.product-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 180px at 30% 30%, rgba(182, 255, 60, 0.25), transparent 70%),
    radial-gradient(300px 180px at 80% 80%, rgba(255, 77, 0, 0.2), transparent 70%);
  z-index: 0;
}

.product-card svg {
  position: relative;
  z-index: 1;
  width: 100%;
}

.product-label {
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
}

.hero-gradient {
  position: absolute;
  inset: auto -20% -40% -20%;
  height: 240px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(0, 209, 255, 0.2), transparent 70%);
  z-index: 0;
}

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: #0a0a0a;
}

.marquee-track {
  display: flex;
  gap: 40px;
  padding: 16px 0;
  text-transform: uppercase;
  font-family: "Bebas Neue", sans-serif;
  font-size: 22px;
  letter-spacing: 4px;
  white-space: nowrap;
  animation: marquee 18s linear infinite;
}

.section {
  padding: 90px 0;
}

.section.dark {
  background: var(--bg-light);
}

.section-head {
  max-width: 640px;
}

.section-head h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  margin: 8px 0 16px;
  line-height: 0.95;
}

.lead {
  color: var(--muted);
  font-size: 18px;
}

.features-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.visuals {
  padding-top: 70px;
}

.visual-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.visual-card {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #0b0b0b;
  display: grid;
  gap: 12px;
}

.visual-card svg {
  width: 100%;
  height: auto;
}

.visual-label {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 11px;
  color: var(--muted);
}

.visual-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-card {
  padding: 24px;
  border-radius: 18px;
  background: #0b0b0b;
  border: 1px solid var(--line);
  min-height: 160px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.steps {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.step {
  padding: 24px;
  border-radius: 18px;
  background: linear-gradient(140deg, rgba(182, 255, 60, 0.08), rgba(0, 209, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.step-num {
  font-family: "Bebas Neue", sans-serif;
  font-size: 32px;
  color: var(--accent);
}

.size-guide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: center;
}

.size-table {
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.size-row {
  display: flex;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: #0b0b0b;
}

.size-row:last-child {
  border-bottom: none;
}

.compare-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.compare-card {
  padding: 26px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #0b0b0b;
}

.compare-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(160deg, rgba(182, 255, 60, 0.12), rgba(0, 209, 255, 0.08));
}

.compare-card ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.cta-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: center;
  padding: 32px;
  border-radius: 28px;
  background: linear-gradient(120deg, rgba(255, 77, 0, 0.18), rgba(11, 95, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-proof {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.faq-item {
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #0b0b0b;
}

.footer {
  padding: 50px 0 30px;
  border-top: 1px solid var(--line);
  background: #050505;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.footer-title {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--muted);
}

.footer a {
  display: block;
  color: var(--muted);
  margin: 8px 0;
}

.footer-note {
  color: var(--muted);
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 60px;
  }
}

@media (max-width: 600px) {
  .cta-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .marquee-track {
    animation: none;
  }
}