:root {
  --bg: #09090b;
  --surface: #111114;
  --panel: #18181b;
  --text: #fafafa;
  --muted: #a1a1aa;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.16);
  --line: rgba(250, 250, 250, 0.1);
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

.chrome {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}
.chrome.is-scrolled { border-bottom-color: var(--line); }
.bar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 1.1rem;
}
.nav { display: flex; align-items: center; gap: 1.35rem; }
.nav a { color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.nav a:hover { color: var(--text); }
.buy-pill {
  background: var(--accent) !important;
  color: #09090b !important;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
}
.menu-btn {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.menu-btn span { display: block; width: 18px; height: 1.5px; background: var(--text); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.9rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #09090b;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.95rem 1.4rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.ghost {
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.15rem;
}
.ghost:hover { color: var(--text); border-color: var(--accent); }

.hero {
  padding: 3rem 0 2rem;
  background:
    radial-gradient(ellipse 45% 55% at 75% 40%, var(--accent-dim), transparent 60%),
    radial-gradient(ellipse 30% 40% at 20% 0%, rgba(250, 250, 250, 0.05), transparent 50%);
}
.hero-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 120px);
  min-height: calc(100dvh - 120px);
}
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  animation: rise 0.75s ease both;
}
.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 28rem;
  margin-bottom: 1.5rem;
  animation: rise 0.75s ease 0.08s both;
}
.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  animation: rise 0.75s ease 0.14s both;
}
.price {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
}
.was {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 1.1rem;
}
.badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1rem;
  animation: rise 0.75s ease 0.2s both;
}
.ship { color: var(--muted); font-size: 0.85rem; }

.product-hero {
  position: relative;
  min-height: 380px;
  display: grid;
  place-items: center;
  animation: pulse-glow 4s ease-in-out infinite;
}
.orb {
  position: absolute;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.35), transparent 65%);
  filter: blur(8px);
}
.device {
  position: relative;
  width: 260px;
  height: 220px;
}
.bud {
  position: absolute;
  width: 54px;
  height: 78px;
  border-radius: 40px 40px 28px 28px;
  background: linear-gradient(160deg, #3f3f46, #18181b);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}
.bud::after {
  content: "";
  position: absolute;
  inset: 18% 28%;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.85;
}
.bud.left { left: 28px; top: 10px; transform: rotate(-18deg); }
.bud.right { right: 28px; top: 10px; transform: rotate(18deg); }
.case {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  width: 120px;
  height: 70px;
  border-radius: 28px;
  background: linear-gradient(180deg, #27272a, #09090b);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}
.case::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.review-strip {
  border-block: 1px solid var(--line);
  background: var(--surface);
}
.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 1.75rem 0;
}
.strip article { padding: 0.25rem 0; }
.stars { color: var(--accent); letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.strip p { font-size: 0.95rem; margin-bottom: 0.5rem; }
.strip cite { color: var(--muted); font-style: normal; font-size: 0.82rem; }

.features { padding: 4.5rem 0; }
.section-head { max-width: 28rem; margin-bottom: 2rem; }
.section-head h2, .specs h2, .buy h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.feature-grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.feature-grid article:hover {
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-3px);
}
.feature-grid h3 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin-bottom: 0.45rem;
}
.feature-grid p { color: var(--muted); font-size: 0.95rem; }

.specs { padding: 0 0 4.5rem; }
.specs-panel {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.specs dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.specs dl div {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}
.specs dt { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.25rem; }
.specs dd { font-family: var(--display); font-weight: 600; font-size: 1.1rem; }

.buy { padding: 0 0 5rem; }
.buy-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.12), transparent 50%),
    var(--panel);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 20px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.price-inline { margin-top: 1rem; color: var(--muted); }
.price-inline strong { color: var(--accent); font-size: 1.35rem; font-family: var(--display); }
.form { display: grid; gap: 0.9rem; }
.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.form input, .form select {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  text-transform: none;
  letter-spacing: normal;
}
.form input:focus, .form select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-note { color: var(--accent); font-size: 0.9rem; font-weight: 600; }

.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.5rem;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}
.foot a { color: var(--accent); font-weight: 600; }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.08); }
}

@media (max-width: 900px) {
  .menu-btn { display: flex; }
  .nav {
    position: fixed;
    inset: 64px 0 auto;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem 1.5rem;
    gap: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .hero-stage, .strip, .feature-grid, .specs-panel, .buy-panel, .specs dl {
    grid-template-columns: 1fr;
  }
  .hero-stage { min-height: auto; padding: 1rem 0 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}