:root {
  --page: #071422;
  --page-deep: #04101a;
  --panel: rgba(12, 36, 58, 0.78);
  --line: rgba(168, 214, 206, 0.16);
  --line-strong: rgba(255, 194, 110, 0.55);
  --text: #f3f7f4;
  --copy: #c5d5d2;
  --muted: #8ea4a6;
  --amber: #ffc26e;
  --mint: #b7f0d2;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.35);
  --shell: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 0%, rgba(37, 120, 150, 0.2), transparent 26rem),
    radial-gradient(circle at 8% 12%, rgba(255, 176, 70, 0.08), transparent 22rem),
    linear-gradient(180deg, var(--page) 0, var(--page-deep) 100%);
  color: var(--copy);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(159, 196, 206, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 196, 206, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 78%);
  pointer-events: none;
}

a { color: var(--amber); text-underline-offset: 0.18em; }
a:hover { color: var(--text); }
a:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

img { max-width: 100%; height: auto; }

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--page);
  font-weight: 750;
  transform: translateY(-150%);
}

.skip-link:focus { color: var(--page); transform: translateY(0); }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(4, 14, 24, 0.72);
  backdrop-filter: blur(16px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-inner { min-height: 96px; }

.product {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}

.product img {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
}

.product span { display: grid; line-height: 1.25; }

.product strong {
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.product small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--copy);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

.header-links a:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.hero { padding: clamp(64px, 9vw, 112px) 0 28px; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--text);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 740;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.lede {
  max-width: 62ch;
  margin: 24px 0 0;
  color: var(--copy);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: var(--amber);
  color: #1a1206;
}

.button-primary:hover { background: #ffd59a; color: #1a1206; }

.button-quiet {
  border: 1px solid var(--line);
  color: var(--text);
}

.figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
}

.figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.86rem;
}

.band { padding: clamp(56px, 8vw, 96px) 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 22px 8px;
  background: var(--panel);
}

.feature h2,
.split h2,
.policy-copy h2 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.feature p,
.split p,
.policy-copy p { margin: 0 0 16px; }

.split {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
}

.split.reverse { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); }
.split.reverse .split-copy { order: 2; }

.check-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--mint);
  content: "\2713";
  font-weight: 800;
}

.policy-layout {
  display: grid;
  padding-block: clamp(48px, 8vw, 96px);
  grid-template-columns: 180px minmax(0, 740px);
  justify-content: space-between;
  gap: 56px;
}

.contents {
  position: sticky;
  top: 28px;
  height: max-content;
}

.contents p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contents nav { display: grid; }

.contents a {
  border-left: 1px solid var(--line);
  padding: 7px 0 7px 14px;
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.contents a:hover { border-color: var(--amber); color: var(--text); }

.policy-copy section {
  scroll-margin-top: 28px;
  padding-bottom: 48px;
}

.policy-copy section + section {
  border-top: 1px solid var(--line);
  padding-top: 48px;
}

.callout {
  margin-top: 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 10px 10px 0;
  padding: 14px 16px;
  background: rgba(255, 194, 110, 0.08);
}

footer {
  border-top: 1px solid var(--line);
  background: rgba(3, 10, 16, 0.7);
}

.footer-inner {
  min-height: 88px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner a { color: var(--copy); text-decoration: none; }
.footer-inner a:hover { color: var(--text); }

@media (max-width: 860px) {
  .feature-grid,
  .split,
  .split.reverse,
  .policy-layout { grid-template-columns: 1fr; }
  .split.reverse .split-copy { order: 0; }
  .contents { position: static; }
  .contents nav { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .product small { display: none; }
  .header-links a:not(.home-mark) { display: none; }
  .contents nav { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.4rem, 12vw, 3.2rem); }
}

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