:root {
  color-scheme: dark;
  --ink: #f7fbff;
  --muted: #adbdc9;
  --surface: #102632;
  --surface-2: #153341;
  --line: rgba(189, 226, 235, 0.2);
  --teal: #72e0d1;
  --orange: #ffb071;
  --navy: #07171f;
  --max: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 5%, rgba(61, 180, 185, 0.22), transparent 34rem),
    radial-gradient(circle at 5% 40%, rgba(255, 148, 84, 0.1), transparent 28rem),
    var(--navy);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.shell {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 23, 31, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 2rem;
  aspect-ratio: 1;
  border-radius: 0.7rem;
  background: linear-gradient(145deg, var(--teal), #328aa2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
}

.hero {
  padding: clamp(5rem, 11vw, 9rem) 0 4.5rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 13ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.25rem;
  line-height: 1.2;
}

.lede {
  max-width: 43rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--teal);
  border-radius: 999px;
  background: var(--teal);
  color: #062029;
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  border-color: var(--line);
  background: transparent;
  color: var(--ink);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 0.7rem 2rem rgba(30, 187, 174, 0.16);
}

.section {
  padding: 4.5rem 0;
}

.section-heading {
  max-width: 45rem;
  margin-bottom: 2rem;
}

.section-heading p,
.card p,
.note,
.meta {
  color: var(--muted);
}

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

.card {
  overflow: hidden;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(155deg, rgba(21, 51, 65, 0.94), rgba(11, 32, 42, 0.88));
}

.card p:last-child {
  margin-bottom: 0;
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-link:hover,
.card-link:focus-visible {
  border-color: rgba(114, 224, 209, 0.65);
}

.number {
  display: inline-flex;
  width: 2.3rem;
  height: 2.3rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border-radius: 50%;
  background: rgba(114, 224, 209, 0.12);
  color: var(--teal);
  font-weight: 800;
}

.band {
  border-block: 1px solid var(--line);
  background: rgba(16, 38, 50, 0.48);
}

.disclosure {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  border-left: 3px solid var(--orange);
  border-radius: 0.5rem;
  background: rgba(255, 176, 113, 0.08);
}

.disclosure strong {
  color: var(--orange);
}

.video-frame {
  overflow: hidden;
  margin: 2rem 0;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: #000;
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.35);
}

.video-frame video {
  width: 100%;
}

.video-card {
  padding: 0;
}

.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-copy {
  padding: 1.2rem;
}

.crumbs {
  padding-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.crumbs a {
  color: var(--teal);
}

.compact-hero {
  padding-top: 3.2rem;
}

.compact-hero h1 {
  max-width: 16ch;
  font-size: clamp(2.7rem, 6vw, 5.2rem);
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .nav-links a:not(.button) {
    display: none;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}