:root {
  --bg: #0a0e17;
  --bg-alt: #0e1422;
  --surface: #121a2b;
  --surface-2: #16203400;
  --border: #1f2b40;
  --text: #e6edf3;
  --muted: #9aa7b8;
  --muted-2: #6b7889;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --accent-ink: #04241f;
  --danger: #f87171;
  --warn: #fbbf24;
  --maxw: 1120px;
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 720px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink);
  padding: 8px 14px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 23, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.1rem; letter-spacing: 0.2px; }
.brand:hover { text-decoration: none; }
.brand strong { color: var(--accent); font-weight: 700; }
.brand-mark { color: var(--accent); flex: none; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: 1px solid transparent; transition: transform .08s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #7af0dd; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 96px 0 80px;
  background:
    radial-gradient(900px 420px at 78% -8%, rgba(94, 234, 212, 0.12), transparent 60%),
    radial-gradient(700px 360px at 12% 8%, rgba(56, 189, 248, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg-alt));
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  display: inline-block; color: var(--accent); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 1.4px; text-transform: uppercase; margin: 0 0 18px;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.08; margin: 0 0 22px; max-width: 18ch; font-weight: 800; letter-spacing: -0.5px; }
.hero h1 .accent { color: var(--accent); }
.lede { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--muted); max-width: 60ch; margin: 0 0 30px; }
.lede em { color: var(--text); font-style: normal; border-bottom: 1px dotted var(--accent); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; color: var(--muted-2); font-size: 0.9rem; }

/* ---------- Sections ---------- */
.section { padding: 84px 0; border-bottom: 1px solid var(--border); }
.section.alt { background: var(--bg-alt); }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin: 0 0 16px; font-weight: 750; letter-spacing: -0.3px; max-width: 24ch; }
.section-sub { color: var(--muted); font-size: 1.08rem; max-width: 64ch; margin: 0 0 40px; }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: #2c3c58; transform: translateY(-2px); }
.card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
.card em { color: var(--text); font-style: normal; }
.accent-card { position: relative; }
.card-num { font-size: 0.8rem; font-weight: 700; color: var(--accent); letter-spacing: 1px; margin-bottom: 10px; }

.callout {
  margin: 36px 0 0; padding: 22px 26px; border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(94,234,212,0.08), rgba(56,189,248,0.05));
  border: 1px solid #243349; color: var(--text); font-size: 1.05rem;
}
.callout strong { color: var(--accent); }

/* ---------- Pillars ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pillar {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; position: relative;
}
.pillar-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent); padding: 4px 10px; border-radius: 999px; margin-bottom: 16px;
}
.pillar h3 { margin: 0 0 4px; font-size: 1.3rem; }
.pillar-line { margin: 0 0 16px; color: var(--accent-2); font-weight: 600; font-size: 0.95rem; }
.pillar ul { margin: 0 0 18px; padding-left: 0; list-style: none; }
.pillar li { position: relative; padding-left: 26px; margin-bottom: 10px; color: var(--muted); }
.pillar li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px;
  background: var(--accent); border-radius: 2px; transform: rotate(45deg);
}
.pillar-foot { margin: 0; color: var(--muted-2); font-size: 0.92rem; font-style: italic; }
.killer {
  margin: 32px 0 0; font-size: 1.15rem; text-align: center; color: var(--text);
  max-width: 70ch; margin-inline: auto;
}

/* ---------- Comparison table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 0.95rem; }
table.compare th, table.compare td { padding: 14px 16px; text-align: center; border-bottom: 1px solid var(--border); }
table.compare thead th { background: var(--surface); color: var(--text); font-weight: 600; position: sticky; top: 0; }
table.compare th[scope="row"] { text-align: left; color: var(--muted); font-weight: 500; max-width: 280px; }
table.compare .us { background: rgba(94, 234, 212, 0.06); }
table.compare thead .us { color: var(--accent); font-weight: 700; }
table.compare td.yes { color: var(--accent); font-weight: 600; }
table.compare td.no { color: var(--muted-2); }
table.compare td.part { color: var(--warn); }
table.compare tbody tr:last-child th, table.compare tbody tr:last-child td { border-bottom: 0; }
.fineprint { color: var(--muted-2); font-size: 0.82rem; margin-top: 14px; }

/* ---------- Columns ---------- */
.cols { display: grid; gap: 28px; }
.cols.two { grid-template-columns: 1fr 1fr; }
.col-title { font-size: 1.2rem; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.feature-list { list-style: none; margin: 0; padding: 0; }
.feature-list li { position: relative; padding-left: 30px; margin-bottom: 13px; color: var(--muted); }
.feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent-2); font-weight: 700;
}
.feature-list.secure li::before { content: "🛡"; font-size: 0.85rem; }

/* ---------- Tiers ---------- */
.tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.tier {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; position: relative;
}
.tier.featured { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(94,234,212,0.25), 0 18px 50px -30px rgba(94,234,212,0.5); }
.tier-flag {
  position: absolute; top: -12px; right: 24px; background: var(--accent); color: var(--accent-ink);
  font-size: 0.72rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; letter-spacing: 0.5px;
}
.tier h3 { font-size: 1.5rem; margin: 0 0 8px; }
.tier-sub { color: var(--muted); margin: 0 0 20px; min-height: 48px; }
.tier ul { list-style: none; margin: 0 0 26px; padding: 0; }
.tier li { position: relative; padding-left: 26px; margin-bottom: 12px; color: var(--muted); }
.tier li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.tier code { background: #0c1422; border: 1px solid var(--border); padding: 1px 6px; border-radius: 5px; color: var(--accent); font-size: 0.85em; }
.tier .btn { width: 100%; }

/* ---------- Trust ---------- */
.trust { background: var(--bg-alt); }

/* ---------- Access form ---------- */
.access-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 8px; }
.field { display: flex; flex-direction: column; }
.field.full, .form-actions.full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; color: var(--muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-family: inherit; font-size: 0.98rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(94,234,212,0.15);
}
.form-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-hint { color: var(--muted-2); font-size: 0.85rem; margin: 0; }

/* ---------- Footer ---------- */
.site-footer { padding: 48px 0 28px; background: var(--bg); }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.footer-tag { color: var(--muted-2); margin: 14px 0 0; font-size: 0.92rem; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.92rem; }
.footer-links a:hover { color: var(--text); text-decoration: none; }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; color: var(--muted-2); font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 8px 0;
    transform: translateY(-130%); transition: transform .25s ease; align-items: stretch;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 24px; }
  .nav-links .btn { margin: 10px 24px; }
  .nav-toggle { display: block; }
  .cards.three, .cols.two, .pillars, .tiers { grid-template-columns: 1fr; }
  .access-form { grid-template-columns: 1fr; }
}
