* {
  box-sizing: border-box;
}

:root {
  --bg: #07090d;
  --bg-soft: #0d121a;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.10);
  --text: #f4f7fb;
  --muted: #a9b3c2;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #76e4f7;
  --accent-2: #c8a46a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(118, 228, 247, 0.16), transparent 32rem),
    radial-gradient(circle at right, rgba(200, 164, 106, 0.10), transparent 30rem),
    var(--bg);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 13, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--accent);
  background: var(--panel);
}

.desktop-nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.menu-button {
  display: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
}

.mobile-nav {
  display: none;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: var(--muted);
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(30px, 6vw, 80px);
  padding: clamp(70px, 8vw, 120px) clamp(18px, 6vw, 90px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.7rem, 7vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

h2 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #031018;
  background: var(--accent);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--panel);
}

.full-width {
  width: 100%;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 720px;
}

.stats div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.stats strong {
  display: block;
  font-size: 1.35rem;
}

.stats span {
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  border: 1px solid var(--line);
  border-radius: 36px;
  padding: clamp(22px, 4vw, 42px);
  background: linear-gradient(145deg, rgba(255,255,255,0.11), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
}

.keychain {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(118, 228, 247, 0.18), rgba(200, 164, 106, 0.10)),
    var(--bg-soft);
}

.keyhole {
  position: absolute;
  top: 34px;
  width: 48px;
  height: 48px;
  border: 9px solid rgba(255,255,255,0.22);
  border-radius: 50%;
}

.roof {
  position: absolute;
  top: 120px;
  width: 150px;
  height: 150px;
  transform: rotate(45deg);
  border-left: 12px solid var(--accent);
  border-top: 12px solid var(--accent);
  border-radius: 12px;
}

.keychain-text {
  position: relative;
  top: 52px;
  text-align: center;
}

.keychain-text span {
  display: block;
  color: var(--muted);
  letter-spacing: 0.26em;
  font-size: 0.78rem;
}

.keychain-text strong {
  display: block;
  margin: 4px 0;
  font-size: clamp(3.4rem, 6vw, 5.4rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.keychain-text small {
  color: var(--accent-2);
}

.visual-note {
  margin-top: 18px;
  color: var(--muted);
}

.section {
  padding: clamp(64px, 8vw, 110px) clamp(18px, 6vw, 90px);
  border-top: 1px solid var(--line);
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: end;
  background: rgba(255,255,255,0.025);
}

.split-section p:last-child {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.1rem;
}

.cards,
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.card,
.step,
.pricing-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(0,0,0,0.18);
}

.card,
.step {
  padding: 28px;
}

.card p,
.step p,
.pricing-main p,
.order-section p {
  color: var(--muted);
}

.pricing-section {
  background:
    radial-gradient(circle at center, rgba(118, 228, 247, 0.08), transparent 28rem),
    rgba(255,255,255,0.02);
}

.pricing-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  max-width: 980px;
  margin-top: 30px;
  padding: clamp(24px, 4vw, 40px);
}

.price {
  align-self: start;
  color: var(--accent);
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.08em;
}

.feature-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--accent);
}

.step span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent);
  font-weight: 800;
}

.order-section {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 30px;
  align-items: start;
}

.contact-card {
  padding: 24px;
}

.contact-card .button + .button {
  margin-top: 12px;
}

.small-text {
  margin: 16px 0 0;
  font-size: 0.9rem;
}

.site-footer {
  padding: 28px clamp(18px, 6vw, 90px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .mobile-nav.open {
    display: block;
  }

  .hero,
  .split-section,
  .pricing-card,
  .order-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .stats,
  .cards,
  .steps,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .keychain {
    min-height: 340px;
  }
}