:root {
  --ink: #eef6f7;
  --muted: #93a8b0;
  --line: rgba(148, 185, 194, 0.14);
  --panel: rgba(14, 26, 34, 0.88);
  --accent: #0c8a80;
  --accent-2: #0f9f94;
  --accent-ink: #031416;
  --bg: #0a1620;
  --font: "Outfit", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

a {
  color: inherit;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      ellipse 80% 50% at 12% -5%,
      rgba(12, 138, 128, 0.18),
      transparent 55%
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 100%,
      rgba(15, 159, 148, 0.1),
      transparent 50%
    ),
    linear-gradient(165deg, #0a1620 0%, #0d1c28 50%, #08141c 100%);
  pointer-events: none;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 72rem;
  margin: 0 auto;
  padding:
    max(1rem, env(safe-area-inset-top))
    1.15rem
    0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.mark {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border-radius: 0.7rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-text strong {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  padding: 0.45rem 0.7rem;
  border-radius: 0.55rem;
}

.nav-link.subtle {
  color: var(--muted);
}

.nav-link.app {
  background: var(--accent);
  color: #fff;
}

.lang {
  min-height: 2.2rem;
  min-width: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 650;
  font-size: 0.8rem;
  cursor: pointer;
}

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.15rem 3.5rem;
  display: grid;
  gap: 2.75rem;
}

.hero {
  padding: 1.5rem 0 0.5rem;
  max-width: 40rem;
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lede {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
  max-width: 38ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1.15rem;
  border-radius: 0.65rem;
  font-weight: 650;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}

.btn.full {
  width: 100%;
}

.trust {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.trust li {
  padding-left: 0.85rem;
  border-left: 2px solid rgba(12, 138, 128, 0.45);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 1.15rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.video-section {
  display: grid;
  gap: 0.85rem;
}

.video-frame {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #050c12;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.promo {
  display: block;
  width: 100%;
  max-height: min(70vh, 520px);
  background: #000;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.video-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.panel {
  padding: 1.5rem 0 0;
}

.quote {
  margin: 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.02em;
  max-width: 42rem;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.level {
  padding: 1.15rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.level .badge {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: rgba(12, 138, 128, 0.16);
  color: var(--accent-2);
}

.level.n2 .badge {
  background: rgba(212, 160, 23, 0.15);
  color: #e0bf5a;
}

.level.n3 .badge {
  background: rgba(148, 163, 184, 0.12);
  color: #a8b8c0;
}

.level h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 650;
}

.level p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.level .hint {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--accent-2);
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.cards article {
  padding: 1.15rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.cards .n {
  display: block;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.cards h3 {
  margin: 0.5rem 0 0;
  font-size: 1.05rem;
}

.cards p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.feature-list {
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  max-width: 40rem;
}

.feature-list li {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--ink);
  font-size: 0.95rem;
  border-left: 3px solid var(--accent);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.stats article {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.stats strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--accent-2);
}

.stats span {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.disclaimer {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  max-width: 48rem;
}

.muted {
  opacity: 0.98;
}

.waitlist-box {
  max-width: 28rem;
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.waitlist-box h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 600;
}

.waitlist-box > p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.form-label {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.field {
  display: grid;
  gap: 0.3rem;
}

.field > span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
}

.field input,
.field select {
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.form-status {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 0.55rem;
  font-size: 0.88rem;
}

.social h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.social-links a {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}

.social-links a:hover {
  color: var(--ink);
  border-color: rgba(12, 138, 128, 0.4);
}

.foot {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1.15rem max(2rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.foot strong {
  color: var(--ink);
  margin-right: 0.4rem;
}

.foot-mail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.foot-mail a {
  color: var(--accent-2);
  text-decoration: none;
}

.copy {
  margin: 0;
  font-size: 0.8rem;
}

@media (max-width: 820px) {
  .level-grid,
  .cards,
  .stats {
    grid-template-columns: 1fr;
  }

  .nav-link.subtle {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}