:root {
  color-scheme: dark;
  --ink: #eefcff;
  --muted: #a8c5cc;
  --ocean: #071c2d;
  --deep: #04121e;
  --aqua: #42dfd3;
  --coral: #ff796d;
  --line: rgba(157, 231, 232, 0.16);
  --card: rgba(11, 40, 57, 0.74);
  font-family: Inter, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 8%, rgba(66, 223, 211, 0.13), transparent 28rem),
    radial-gradient(circle at 10% 70%, rgba(255, 121, 109, 0.08), transparent 24rem),
    linear-gradient(155deg, var(--ocean), var(--deep));
  line-height: 1.65;
}

a { color: var(--aqua); text-underline-offset: 0.2em; }
a:hover { color: #8bfff5; }

.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: var(--deep);
  background: linear-gradient(135deg, var(--aqua), #9effed);
  font-weight: 900;
  letter-spacing: -0.06em;
}
.brand strong { display: block; letter-spacing: 0.03em; }
.brand span { display: block; color: var(--muted); font-size: 0.75rem; }

nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
nav a[aria-current="page"], nav a:hover { color: var(--ink); }

main { padding: clamp(52px, 8vw, 92px) 0; }
.hero { max-width: 720px; }
.eyebrow { color: var(--aqua); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1 { max-width: 16ch; margin: 12px 0 20px; font-size: clamp(2.55rem, 7vw, 5.1rem); line-height: 0.98; letter-spacing: -0.055em; }
h2 { margin: 2.6rem 0 0.7rem; font-size: 1.35rem; letter-spacing: -0.02em; }
h3 { margin-top: 1.8rem; }
p, li { color: var(--muted); }
.lead { max-width: 62ch; font-size: clamp(1.05rem, 2vw, 1.25rem); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--card);
  text-decoration: none;
  font-weight: 750;
}
.button.primary { color: var(--deep); border-color: transparent; background: var(--aqua); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 52px; }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); backdrop-filter: blur(14px); }
.card strong { display: block; margin-bottom: 7px; }
.card p { margin: 0; font-size: 0.93rem; }

.document { max-width: 760px; }
.document h1 { max-width: none; font-size: clamp(2.3rem, 5vw, 3.8rem); }
.meta { margin-bottom: 42px; color: var(--muted); font-size: 0.9rem; }
.notice { padding: 18px 20px; border-left: 3px solid var(--coral); border-radius: 8px; background: rgba(255, 121, 109, 0.08); }
.notice p { margin: 0; }
table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 0.94rem; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--ink); }

footer { padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; }

@media (max-width: 720px) {
  header { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  h1 { max-width: 12ch; }
  table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: no-preference) {
  .card, .button { transition: transform 160ms ease, border-color 160ms ease; }
  .card:hover, .button:hover { transform: translateY(-2px); border-color: rgba(66, 223, 211, 0.48); }
}