:root {
  --bg-0: #050b12;
  --bg-1: #0c1622;
  --bg-2: #15263b;
  --surface: rgba(13, 22, 34, 0.82);
  --surface-soft: rgba(255, 255, 255, 0.03);
  --line: rgba(183, 205, 223, 0.2);
  --line-strong: rgba(183, 205, 223, 0.35);
  --text: #ebf4fb;
  --muted: #b8cad9;
  --brand: #6be0b1;
  --brand-strong: #3fb58a;
  --accent: #7ccfff;
  --accent-warm: #ffd087;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "Avenir Next", "SF Pro Display", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 0%, rgba(124, 207, 255, 0.25), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(107, 224, 177, 0.22), transparent 30%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 45%, var(--bg-0) 100%);
}

a {
  color: var(--accent);
}

.page {
  width: min(1160px, 100%);
  margin: 0 auto;
  padding: 24px 20px 72px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 900;
  letter-spacing: 0.03em;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 0 28px rgba(107, 224, 177, 0.75);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.86rem;
  font-weight: 600;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01)),
    var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
  padding: 32px;
}

.hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -120px;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(124, 207, 255, 0.28), transparent 68%);
  pointer-events: none;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(124, 207, 255, 0.44);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 900;
  color: #b7e9ff;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  margin-top: 14px;
  max-width: 20ch;
  font-size: clamp(2.2rem, 5.2vw, 4.3rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.06rem;
}

.lead {
  margin-top: 14px;
  max-width: 76ch;
  color: var(--muted);
  line-height: 1.74;
  font-size: 1.02rem;
}

.hero-ctas {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  text-decoration: none;
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 12px 17px;
  font-weight: 900;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  color: #031810;
  box-shadow: 0 12px 30px rgba(107, 224, 177, 0.32);
}

.btn-soft {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.metric-row {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  padding: 12px;
}

.metric strong {
  display: block;
  font-size: 1.12rem;
}

.metric span {
  color: var(--muted);
  font-size: 0.84rem;
}

.section {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  padding: 24px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 10px;
}

.section-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.jumpbar {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.jumpbar a {
  text-decoration: none;
  color: #c6d9e8;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 0.86rem;
  background: rgba(255, 255, 255, 0.025);
}

.grid-3 {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.grid-2 {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 15px;
  background: var(--surface-soft);
}

.card p,
li,
.faq p,
.table p {
  color: var(--muted);
  line-height: 1.68;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 900;
  color: #c7e7ff;
}

.badge.warn {
  color: #ffe2ac;
}

ol,
ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.method {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  padding: 16px;
}

.method + .method {
  margin-top: 10px;
}

.method h3 {
  margin-bottom: 8px;
}

.table {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.table-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
}

.table-row > div {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.table-row > div:not(:last-child) {
  border-right: 1px solid var(--line);
}

.table-row.head {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 800;
}

.links {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  text-decoration: none;
  color: #cbdeec;
  font-size: 0.88rem;
  background: rgba(255, 255, 255, 0.02);
}

.faq {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.callout {
  margin-top: 14px;
  border: 1px dashed rgba(255, 208, 135, 0.45);
  border-radius: 14px;
  padding: 13px;
  background: rgba(255, 208, 135, 0.08);
}

.footer {
  margin-top: 18px;
  color: #9fb7c7;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .metric-row,
  .grid-3,
  .grid-2,
  .table-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .hero,
  .section {
    padding: 18px;
    border-radius: 18px;
  }

  .metric-row,
  .grid-3,
  .grid-2,
  .table-row {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}