:root {
  --bg-0: #0a1328;
  --bg-1: #111d3e;
  --bg-2: #182958;
  --ink-0: #f4f7ff;
  --ink-1: #c9d7ff;
  --ink-2: #9bb1ea;
  --line: #2f467d;
  --accent-a: #ff6f4d;
  --accent-b: #ffd166;
  --accent-c: #3be0d0;
  --ok: #4bd686;
  --warn: #ffb154;
  --lock: #ff7a95;
  --radius: 18px;
  --shadow: 0 20px 45px rgba(3, 7, 18, 0.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink-0);
  background:
    radial-gradient(780px 420px at 0% -10%, rgba(255, 111, 77, 0.2), transparent 60%),
    radial-gradient(700px 400px at 100% 8%, rgba(59, 224, 208, 0.18), transparent 65%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0) 42%, #070c19);
  min-height: 100vh;
}

.noise {
  position: fixed;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background-image:
    linear-gradient(transparent 49%, rgba(255, 255, 255, 0.08) 50%, transparent 51%),
    linear-gradient(90deg, transparent 49%, rgba(255, 255, 255, 0.06) 50%, transparent 51%);
  background-size: 3px 3px, 4px 4px;
}

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

.site-header,
main,
.site-footer {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0.7rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  margin-top: 0.7rem;
  border: 1px solid rgba(155, 177, 234, 0.18);
  background: rgba(10, 19, 40, 0.76);
  backdrop-filter: blur(8px);
  border-radius: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "Sora", "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.01em;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--ink-1);
  font-size: 0.95rem;
}

.nav-cta {
  border: 1px solid rgba(255, 209, 102, 0.6);
  padding: 0.44rem 0.78rem;
  border-radius: 999px;
  color: #ffe3b4;
}

main {
  padding: 4rem 0 1.5rem;
}

.hero {
  padding: 1rem 0 2rem;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  color: #ffccae;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Sora", "Space Grotesk", sans-serif;
  line-height: 1.05;
}

h1 {
  margin: 0.8rem 0 0.8rem;
  max-width: 15ch;
  font-size: clamp(2rem, 6vw, 4rem);
}

.hero-copy {
  max-width: 62ch;
  margin: 0;
  color: var(--ink-1);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.8rem 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.btn-primary {
  color: #13080b;
  background: linear-gradient(130deg, var(--accent-a), var(--accent-b));
  box-shadow: 0 12px 28px rgba(255, 111, 77, 0.33);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: #c4ddff;
  background: rgba(19, 36, 72, 0.55);
}

.compatibility {
  margin: 0.9rem 0 0;
  color: var(--ink-2);
  font-size: 0.92rem;
}

.hero-panel {
  margin-top: 1.8rem;
  background:
    linear-gradient(170deg, rgba(24, 41, 88, 0.94), rgba(10, 19, 40, 0.88)),
    linear-gradient(90deg, rgba(255, 111, 77, 0.12), rgba(59, 224, 208, 0.08));
  border: 1px solid rgba(155, 177, 234, 0.27);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pill {
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
}

.pill.on {
  background: rgba(75, 214, 134, 0.18);
  color: #9ff7c2;
}

.pill.pause {
  background: rgba(255, 177, 84, 0.17);
  color: #ffd49b;
}

.pill.lock {
  background: rgba(255, 122, 149, 0.18);
  color: #ffc0cf;
}

.panel-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.panel-grid article {
  border: 1px solid rgba(155, 177, 234, 0.2);
  border-radius: 12px;
  padding: 0.8rem;
  background: rgba(9, 18, 39, 0.64);
}

.panel-grid h2 {
  font-size: 1rem;
  margin: 0 0 0.32rem;
}

.panel-grid p {
  margin: 0;
  color: var(--ink-1);
  line-height: 1.4;
  font-size: 0.92rem;
}

.section {
  margin-top: 2.4rem;
}

.section h2 {
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  margin: 0 0 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.72rem;
}

.card {
  background: linear-gradient(170deg, rgba(16, 30, 64, 0.9), rgba(12, 22, 48, 0.78));
  border: 1px solid rgba(155, 177, 234, 0.2);
  border-radius: 13px;
  padding: 1rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.03rem;
}

.card p {
  margin: 0;
  color: var(--ink-1);
  line-height: 1.5;
}

.steps ol {
  margin: 0;
  padding-left: 1.3rem;
  color: var(--ink-1);
  line-height: 1.9;
  font-size: 1rem;
}

.faq details {
  border: 1px solid rgba(155, 177, 234, 0.2);
  background: rgba(14, 26, 57, 0.7);
  border-radius: 11px;
  padding: 0.8rem 1rem;
  margin-bottom: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin: 0.6rem 0 0;
  color: var(--ink-1);
  line-height: 1.6;
}

.site-footer {
  margin: 3rem auto 1.6rem;
  padding: 1rem;
  border-top: 1px solid rgba(155, 177, 234, 0.2);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-2);
}

.site-footer strong {
  color: var(--ink-0);
}

.site-footer p {
  margin: 0.3rem 0 0;
}

.footer-links {
  display: flex;
  gap: 0.9rem;
  align-items: start;
}

@media (max-width: 960px) {
  .panel-grid,
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    width: min(1100px, calc(100% - 1rem));
  }

  nav {
    gap: 0.6rem;
    font-size: 0.88rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  main {
    padding-top: 1.8rem;
  }

  h1 {
    max-width: 100%;
  }

  .panel-grid,
  .cards {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}