:root {
  --navy: #0a1a33;
  --navy-2: #102445;
  --teal: #00b8c5;
  --teal-dim: #007f88;
  --gray: #f4f6f8;
  --white: #ffffff;
  --coral: #ff6b6b;
  --amber: #ffc107;
  --text: #0a1a33;
  --muted: rgba(10, 26, 51, 0.58);
  --radius: 22px;
  --shadow: 0 24px 60px rgba(10, 26, 51, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hanken Grotesk", "Segoe UI", sans-serif;
  color: var(--gray);
  background: var(--navy);
  min-height: 100vh;
}

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

a {
  color: inherit;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(0, 184, 197, 0.28), transparent 60%),
    radial-gradient(700px 420px at -10% 20%, rgba(0, 184, 197, 0.12), transparent 55%),
    linear-gradient(180deg, #0a1a33 0%, #071224 100%);
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 8px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
}

.brand span {
  font-family: Sora, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}

.nav-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 22px;
  font-family: Sora, sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
}

.btn-ghost {
  background: transparent;
  color: var(--gray);
  border: 1px solid rgba(244, 246, 248, 0.22);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 72px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-family: Sora, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: Sora, sans-serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 14px 0 16px;
}

.lead {
  font-size: 1.15rem;
  line-height: 1.5;
  color: rgba(244, 246, 248, 0.78);
  max-width: 38rem;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 22px;
  color: rgba(244, 246, 248, 0.7);
  font-size: 0.92rem;
}

.meta b {
  color: var(--gray);
  font-weight: 600;
}

.hint {
  margin-top: 14px;
  font-size: 0.9rem;
  color: rgba(244, 246, 248, 0.62);
}

.hint.warn {
  color: #ffd3d3;
}

.orb-card {
  background: linear-gradient(180deg, rgba(16, 36, 69, 0.85), rgba(10, 26, 51, 0.6));
  border: 1px solid rgba(0, 184, 197, 0.22);
  border-radius: 32px;
  padding: 36px 28px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}

.orb {
  width: 168px;
  height: 168px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 40%, rgba(0, 184, 197, 0.45), transparent 55%),
    var(--navy-2);
  box-shadow:
    0 0 0 10px rgba(0, 184, 197, 0.08),
    0 0 0 22px rgba(0, 184, 197, 0.05),
    0 20px 50px rgba(0, 184, 197, 0.25);
}

.orb img {
  width: 92px;
  height: 92px;
}

.orb-card h2 {
  font-family: Sora, sans-serif;
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.orb-card p {
  margin: 0;
  color: rgba(244, 246, 248, 0.7);
}

.panel {
  background: var(--gray);
  color: var(--text);
  border-radius: 36px 36px 0 0;
  padding: 64px 0 40px;
}

.section {
  padding: 8px 0 48px;
}

.section h2 {
  font-family: Sora, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.section .sub {
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 42rem;
}

.grid-3,
.grid-2,
.steps {
  display: grid;
  gap: 16px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 30px rgba(10, 26, 51, 0.06);
}

.card h3 {
  font-family: Sora, sans-serif;
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.icon-dot {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(0, 184, 197, 0.14);
  color: var(--teal-dim);
  display: grid;
  place-items: center;
  font-family: Sora, sans-serif;
  font-weight: 700;
  margin-bottom: 14px;
}

.steps {
  grid-template-columns: repeat(4, 1fr);
}

.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px;
}

.step strong {
  display: block;
  font-family: Sora, sans-serif;
  margin-bottom: 8px;
}

.step span {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.4;
}

.faq details {
  background: var(--white);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 10px;
}

.faq summary {
  font-family: Sora, sans-serif;
  font-weight: 700;
  cursor: pointer;
}

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
}

.stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stat {
  background: var(--navy);
  color: var(--gray);
  border-radius: 16px;
  padding: 14px 16px;
  min-width: 140px;
}

.stat small {
  display: block;
  color: var(--teal);
  font-family: Sora, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat b {
  font-size: 1.15rem;
}

.footer {
  background: #071224;
  padding: 28px 0 40px;
  color: rgba(244, 246, 248, 0.65);
  font-size: 0.9rem;
}

.footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero,
  .grid-3,
  .grid-2,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 28px;
  }
}

.install-sheet {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 80;
  display: none;
  align-items: center;
  gap: 12px;
  padding: 14px 14px 14px 12px;
  border-radius: 22px;
  background: #102445;
  border: 1px solid rgba(0, 184, 197, 0.35);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  color: var(--gray);
}

.install-sheet.is-open {
  display: flex;
}

.install-sheet img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gray);
  flex: none;
}

.install-sheet .copy {
  flex: 1;
  min-width: 0;
}

.install-sheet .copy strong {
  display: block;
  font-family: Sora, sans-serif;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.install-sheet .copy span {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  color: rgba(244, 246, 248, 0.65);
}

.install-sheet .btn {
  flex: none;
  padding: 11px 18px;
}

.install-sheet .close {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(244, 246, 248, 0.55);
  font-size: 1.35rem;
  line-height: 1;
  padding: 4px;
  cursor: pointer;
}

body.has-install-sheet {
  padding-bottom: 108px;
}