:root {
  color-scheme: dark;
  --bg: #070706;
  --panel: #15110d;
  --text: #fff7dc;
  --muted: #cfb98d;
  --gold: #e7aa3b;
  --amber: #ffca67;
  --red: #a51d16;
  --teal: #43d4c7;
  --line: rgba(255, 206, 117, 0.28);
  --shadow: rgba(0, 0, 0, 0.5);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 18%, rgba(165, 29, 22, 0.2), transparent 30rem),
    linear-gradient(180deg, #080706 0%, #120b08 48%, #070706 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 70%);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 5vw, 56px);
  border-bottom: 1px solid transparent;
  background: rgba(7, 7, 6, 0.76);
  backdrop-filter: blur(18px);
}

.site-header[data-elevated="true"] {
  border-bottom-color: rgba(255, 202, 103, 0.2);
  box-shadow: 0 12px 36px var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 800;
}

.brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand span {
  white-space: nowrap;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  padding: 10px 0;
}

nav a:hover,
nav a:focus-visible {
  color: var(--amber);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 86vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 96px clamp(18px, 6vw, 72px) 88px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(180deg, transparent, rgba(7, 7, 6, 0.92));
  z-index: -1;
}

.hero-art {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 50% 28%, rgba(231, 170, 59, 0.16), transparent 26rem),
    radial-gradient(circle at 16% 46%, rgba(165, 29, 22, 0.32), transparent 30rem),
    linear-gradient(90deg, rgba(7, 7, 6, 0.94), rgba(7, 7, 6, 0.36) 48%, rgba(7, 7, 6, 0.9));
}

.hero-content {
  width: min(980px, 100%);
  margin-inline: auto;
  text-align: center;
}

.hero-logo {
  display: block;
  width: min(920px, 100%);
  height: auto;
  margin: 0 auto 22px;
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.55));
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 5vw, 4.2rem);
  line-height: 0.98;
}

h3 {
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 1.08rem;
}

.lede {
  max-width: 720px;
  margin-inline: auto;
  color: #f2dfb5;
  font-size: clamp(1.08rem, 2.2vw, 1.38rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  border-color: rgba(255, 202, 103, 0.75);
  background: linear-gradient(180deg, #ffe092, var(--gold));
  color: #261407;
  box-shadow: 0 18px 34px rgba(231, 170, 59, 0.18);
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border-block: 1px solid rgba(255, 202, 103, 0.18);
  background: rgba(255, 202, 103, 0.18);
}

.signal-strip div {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(12, 8, 6, 0.94);
  color: var(--muted);
  font-weight: 800;
  text-align: center;
}

.section,
.showcase,
.checkout {
  padding: clamp(74px, 10vw, 128px) clamp(18px, 6vw, 72px);
}

.section-heading,
.feature-grid,
.showcase,
.checkout {
  max-width: var(--max);
  margin-inline: auto;
}

.section-heading {
  position: relative;
  z-index: 1;
  margin-bottom: 34px;
}

.features-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-block: 1px solid rgba(255, 202, 103, 0.12);
  background: #090706;
}

.features-section::before,
.features-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.features-section::before {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 7, 6, 0.24), rgba(7, 7, 6, 0.56) 30%, rgba(7, 7, 6, 0.56) 70%, rgba(7, 7, 6, 0.24)),
    linear-gradient(180deg, rgba(7, 7, 6, 0.58), rgba(7, 7, 6, 0.18) 40%, rgba(7, 7, 6, 0.58)),
    url("assets/interface-features-bg.png") center 42% / cover no-repeat;
  opacity: 1;
}

.features-section::after {
  z-index: -1;
  background:
    radial-gradient(ellipse at 9% 58%, rgba(255, 202, 103, 0.16), transparent 21rem),
    radial-gradient(ellipse at 91% 58%, rgba(255, 202, 103, 0.16), transparent 21rem),
    radial-gradient(circle at 50% 34%, rgba(255, 202, 103, 0.1), transparent 30rem),
    linear-gradient(180deg, rgba(7, 7, 6, 0.26), rgba(7, 7, 6, 0.08) 42%, rgba(7, 7, 6, 0.46));
}

.feature-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 228px;
  padding: 24px;
  border: 1px solid rgba(255, 202, 103, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 202, 103, 0.11), rgba(255, 255, 255, 0.03)),
    rgba(14, 10, 8, 0.88);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(8px);
}

.feature-card p,
.showcase p,
.checkout p {
  color: var(--muted);
  line-height: 1.7;
}

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: clamp(34px, 7vw, 88px);
  border-block: 1px solid rgba(255, 202, 103, 0.14);
}

.format-list {
  display: grid;
  gap: 12px;
}

.format-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 74px;
  padding: 18px;
  border: 1px solid rgba(67, 212, 199, 0.22);
  border-radius: 8px;
  background: rgba(67, 212, 199, 0.055);
}

.format-list strong {
  color: var(--teal);
}

.format-list span {
  color: #d8c69d;
}

.checkout {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(34px, 6vw, 76px);
}

.checkout img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 34px 56px rgba(0, 0, 0, 0.45));
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 6vw, 72px);
  border-top: 1px solid rgba(255, 202, 103, 0.16);
  color: var(--muted);
}

.site-footer span:first-child {
  color: var(--text);
  font-weight: 800;
}

@media (max-width: 820px) {
  .site-header {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 84vh;
    padding-top: 70px;
  }

  .hero-logo {
    width: min(760px, 116vw);
    margin-left: 50%;
    transform: translateX(-50%);
  }

  .signal-strip,
  .feature-grid,
  .showcase,
  .checkout {
    grid-template-columns: 1fr;
  }

  .signal-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .format-list div {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  nav {
    gap: 10px;
    font-size: 0.9rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .signal-strip {
    grid-template-columns: 1fr;
  }
}