:root {
  --harbor-bg: #070b0c;
  --harbor-surface: #121a1c;
  --harbor-border: #243033;
  --harbor-text: #e8f1f2;
  --harbor-text-muted: #8fa3a7;
  --harbor-accent: #2ec4b6;
  --harbor-accent-soft: rgba(46, 196, 182, 0.14);
  --harbor-accent-glow: rgba(46, 196, 182, 0.28);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 15% -10%, rgba(46, 196, 182, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 45% at 90% 10%, rgba(46, 196, 182, 0.08), transparent 50%),
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(20, 40, 44, 0.9), transparent 55%),
    var(--harbor-bg);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(0, -1.5%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

.top {
  padding: 1.35rem clamp(1.25rem, 4vw, 3rem);
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--harbor-text);
  text-decoration: none;
}

.hero {
  padding: clamp(2.5rem, 8vh, 5.5rem) clamp(1.25rem, 4vw, 3rem) 1.5rem;
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--harbor-accent);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 10vw, 5.6rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 34rem;
  color: var(--harbor-text-muted);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
}

.cta {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border-radius: 10px;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.btn.primary {
  background: var(--harbor-accent);
  color: #041210;
}

.btn.primary:hover {
  background: #3ad4c5;
  transform: translateY(-1px);
}

.btn.ghost {
  border: 1px solid var(--harbor-border);
  color: var(--harbor-text);
  background: transparent;
}

.btn.ghost:hover {
  border-color: color-mix(in srgb, var(--harbor-accent) 40%, var(--harbor-border));
  background: var(--harbor-accent-soft);
}

.stage {
  padding: 0.5rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
}

.stage-frame {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  max-width: 52rem;
  min-height: 16rem;
  border: 1px solid var(--harbor-border);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(160deg, #0d1416 0%, #0a1012 55%, #121a1c 100%);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  animation: rise 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage-frame {
    animation: none;
  }

  .btn.primary:hover {
    transform: none;
  }
}

.stage-rail {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.1rem 0.9rem;
  border-right: 1px solid var(--harbor-border);
  background: rgba(7, 11, 12, 0.65);
  color: var(--harbor-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.stage-mark {
  width: 1.5rem;
  height: 1.5rem;
  margin-bottom: 0.35rem;
  border-radius: 6px;
  background: var(--harbor-accent);
  box-shadow: 0 0 24px var(--harbor-accent-glow);
}

.stage-main {
  padding: 1.25rem 1.35rem 1.4rem;
}

.stage-kicker {
  color: var(--harbor-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}

.stage-title {
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stage-rows {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.stage-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--harbor-border);
  background: rgba(7, 11, 12, 0.45);
  font-size: 0.92rem;
}

.stage-row strong {
  font-variant-numeric: tabular-nums;
}

.stage-row.is-best {
  border-color: color-mix(in srgb, var(--harbor-accent) 45%, var(--harbor-border));
  background: var(--harbor-accent-soft);
}

.stage-row.is-best strong {
  color: var(--harbor-accent);
}

.about,
.disclosure {
  padding: 2.25rem clamp(1.25rem, 4vw, 3rem);
  max-width: 40rem;
}

.about h2,
.disclosure h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  letter-spacing: -0.03em;
}

.about p,
.disclosure p {
  margin: 0.75rem 0 0;
  color: var(--harbor-text-muted);
}

.disclosure {
  border-top: 1px solid var(--harbor-border);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  color: var(--harbor-text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--harbor-border);
}

@media (max-width: 720px) {
  .stage-frame {
    grid-template-columns: 1fr;
  }

  .stage-rail {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: 0;
    border-bottom: 1px solid var(--harbor-border);
  }

  .stage-mark {
    margin-bottom: 0;
  }
}