:root {
  color-scheme: dark;
  --bg: #06110d;
  --panel: rgba(13, 31, 24, 0.84);
  --panel-strong: #10271e;
  --text: #effaf4;
  --muted: #a8bbb0;
  --line: rgba(152, 255, 194, 0.14);
  --accent: #7cf2a8;
  --accent-2: #f7d56c;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 5%, rgba(39, 181, 102, 0.20), transparent 30rem),
    radial-gradient(circle at 92% 24%, rgba(247, 213, 108, 0.10), transparent 24rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #b5ffcf; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 20;
  padding: .7rem 1rem;
  color: #04110a;
  background: var(--accent);
  border-radius: .6rem;
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 17, 13, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner,
.page-shell,
.footer-inner {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { display: flex; align-items: center; gap: .75rem; font-weight: 850; letter-spacing: -.02em; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #06110d;
  background: linear-gradient(135deg, var(--accent), #34b86c);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(58, 218, 121, .24);
}

.language-switcher {
  display: flex;
  gap: .25rem;
  padding: .25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}

.language-switcher button {
  border: 0;
  padding: .5rem .8rem;
  color: var(--muted);
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}
.language-switcher button[aria-pressed="true"] { color: #06110d; background: var(--accent); }

.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 2.6rem; }
.eyebrow { margin: 0 0 .75rem; color: var(--accent); font-size: .78rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
h1 { max-width: 850px; margin: 0; font-size: clamp(2.35rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -.055em; }
.lede { max-width: 760px; margin: 1.35rem 0 0; color: var(--muted); font-size: clamp(1rem, 2.4vw, 1.2rem); }
.meta { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.5rem; }
.chip { padding: .42rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: #c8d9cf; background: rgba(255,255,255,.025); font-size: .84rem; }

.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 2.2rem; }
.summary-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: var(--shadow); }
.summary-card strong { display: block; margin-bottom: .35rem; color: var(--accent-2); }
.summary-card p { margin: 0; color: var(--muted); font-size: .93rem; }

.content-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 2rem; align-items: start; padding-bottom: 5rem; }
.toc { position: sticky; top: 92px; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(10, 25, 19, .62); }
.toc strong { display: block; margin-bottom: .65rem; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.toc a { display: block; padding: .34rem .2rem; color: var(--muted); text-decoration: none; font-size: .9rem; }
.toc a:hover { color: var(--accent); }

.policy { min-width: 0; }
.policy section { scroll-margin-top: 92px; padding: clamp(1.25rem, 3vw, 2rem); margin-bottom: 1rem; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); box-shadow: var(--shadow); }
h2 { margin: 0 0 .8rem; font-size: clamp(1.35rem, 3vw, 1.8rem); letter-spacing: -.025em; }
h3 { margin: 1.35rem 0 .35rem; font-size: 1.05rem; }
p { margin: .65rem 0; }
ul { padding-left: 1.25rem; }
li + li { margin-top: .45rem; }
.note { margin-top: 1rem; padding: .9rem 1rem; border-left: 3px solid var(--accent-2); background: rgba(247, 213, 108, .06); border-radius: 0 10px 10px 0; color: #e6dfc3; }

.table-wrap { overflow-x: auto; margin-top: 1rem; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: .91rem; }
th, td { padding: .8rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { color: var(--accent); background: rgba(124, 242, 168, .05); }
tr:last-child td { border-bottom: 0; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; padding: 1.4rem 0 2.4rem; font-size: .86rem; }
[hidden] { display: none !important; }

@media (max-width: 820px) {
  .summary-grid { grid-template-columns: 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
}

@media (max-width: 520px) {
  .header-inner, .page-shell, .footer-inner { width: min(100% - 1.2rem, 1120px); }
  .brand span:last-child { display: none; }
  .hero { padding-top: 3rem; }
  .policy section { border-radius: 15px; }
  .footer-inner { flex-direction: column; }
}

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