/* Soteria Innovation — Enterprise AI Security */
:root {
  --bg: #070b14;
  --bg-2: #0c1220;
  --card: #111a2d;
  --line: #1e2a44;
  --text: #e6ebf5;
  --muted: #9aa6bf;
  --brand: #3b82f6;
  --brand-2: #22d3ee;
  --accent: #10b981;
  --radius: 14px;
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
.grid > *, .split > *, .hero .container > * { min-width: 0; }
body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: -999px; top: 8px; background: var(--brand); color: #fff;
  padding: 8px 14px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--brand-2); outline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; letter-spacing: .3px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid; place-items: center;
}
.logo-mark svg { width: 20px; height: 20px; }
.logo small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; }
.nav-links { display: flex; gap: 6px; list-style: none; align-items: center; }
.nav-links a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px; color: var(--muted); transition: .2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--card); }
.nav-links .btn { color: #fff; margin-left: 8px; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 18px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px;
  background: linear-gradient(135deg, var(--brand), #2563eb);
  color: #fff; border: 1px solid transparent; transition: .2s; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(59,130,246,.35); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--brand); box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 120px 0 100px;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(59,130,246,.25), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(34,211,238,.12), transparent 60%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--brand-2); background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.25); padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.1; font-weight: 800; letter-spacing: -1px; margin-bottom: 22px; }
.grad { background: linear-gradient(90deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 600px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-panel {
  background: linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line); border-radius: 18px; padding: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 13px;
}
.panel-bar { display: flex; gap: 6px; margin-bottom: 16px; }
.panel-bar span { width: 10px; height: 10px; border-radius: 50%; background: #334155; }
.log-line { padding: 8px 10px; border-radius: 8px; margin-bottom: 8px; background: rgba(255,255,255,.02); display: flex; justify-content: space-between; gap: 10px; }
.tag { font-weight: 700; padding: 1px 8px; border-radius: 6px; font-size: 11px; white-space: nowrap; }
.tag.block { background: rgba(239,68,68,.15); color: #f87171; }
.tag.allow { background: rgba(16,185,129,.15); color: #34d399; }
.tag.mask  { background: rgba(245,158,11,.15); color: #fbbf24; }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 { font-size: clamp(28px, 3.5vw, 40px); line-height: 1.2; font-weight: 800; letter-spacing: -.5px; margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 17px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: .25s; position: relative;
}
.card:hover { border-color: rgba(59,130,246,.5); transform: translateY(-3px); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card ul { margin-top: 14px; list-style: none; }
.card li { color: var(--muted); font-size: 14.5px; padding: 5px 0 5px 24px; position: relative; }
.card li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.card .more { display: inline-block; margin-top: 18px; color: var(--brand-2); font-weight: 600; font-size: 14px; }
.card .more:hover { text-decoration: underline; }
.icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 20px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(59,130,246,.2), rgba(34,211,238,.12));
  border: 1px solid rgba(59,130,246,.3);
}
.icon svg { width: 24px; height: 24px; stroke: var(--brand-2); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Stats / pillars */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 28px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.stat strong { display: block; font-size: 34px; font-weight: 800; }
.stat span { color: var(--muted); font-size: 14px; }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding: 30px 24px 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 13px; font-weight: 700; color: var(--brand-2); letter-spacing: 1px;
  display: block; margin-bottom: 12px;
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; }

.steps-3 { grid-template-columns: repeat(3, 1fr); }

/* Split feature */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 88px; }
.split.reverse .split-media { order: -1; }
.split h3 { font-size: 28px; margin-bottom: 14px; line-height: 1.25; }
.split p { color: var(--muted); margin-bottom: 16px; }
.split ul { list-style: none; }
.split li { padding: 6px 0 6px 28px; position: relative; color: var(--text); }
.split li::before { content: ""; position: absolute; left: 0; top: 14px; width: 14px; height: 2px; background: var(--brand-2); }
.split-media {
  border-radius: 18px; border: 1px solid var(--line); padding: 28px; min-height: 280px;
  background: radial-gradient(400px 200px at 30% 0%, rgba(59,130,246,.25), transparent 70%), var(--card);
  display: flex; flex-direction: column; justify-content: center; gap: 12px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 8px 14px; border-radius: 999px; font-size: 13px; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--muted); }
.chip.on { border-color: rgba(34,211,238,.4); color: var(--brand-2); }
.label { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--brand-2); font-weight: 700; margin-bottom: 10px; display: block; }

/* Page hero (sub-pages) */
.page-hero {
  padding: 96px 0 72px; border-bottom: 1px solid var(--line);
  background: radial-gradient(800px 360px at 50% -20%, rgba(59,130,246,.22), transparent 70%);
}
.page-hero h1 { font-size: clamp(32px, 4.5vw, 50px); line-height: 1.15; font-weight: 800; letter-spacing: -.8px; margin-bottom: 18px; max-width: 860px; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 720px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--text); }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--card); font-weight: 600; }
td { color: var(--muted); }
tr:last-child td { border-bottom: none; }

/* CTA */
.cta {
  border-radius: 22px; padding: 64px 48px; text-align: center;
  background: linear-gradient(135deg, rgba(59,130,246,.22), rgba(34,211,238,.1)), var(--card);
  border: 1px solid rgba(59,130,246,.35);
}
.cta h2 { font-size: clamp(26px, 3.2vw, 36px); margin-bottom: 14px; }
.cta p { color: var(--muted); max-width: 620px; margin: 0 auto 28px; }

/* Form */
.form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; font: inherit; font-size: 15px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--brand); outline: none; }
.note { font-size: 13px; color: var(--muted); }

/* FAQ */
details { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 18px 22px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::after { content: "+"; color: var(--brand-2); font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin-top: 12px; font-size: 15px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 32px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 16px; color: var(--text); }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a, .footer-grid p { color: var(--muted); font-size: 14.5px; }
.footer-grid a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }

/* Dropdown navigation */
.has-sub { position: relative; }
.has-sub > a::after { content: " ▾"; font-size: 11px; opacity: .7; }
.sub {
  display: none; position: absolute; top: 100%; left: 0; min-width: 240px;
  list-style: none; padding: 8px; margin-top: 4px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
}
.sub::before { content: ""; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }
.has-sub:hover > .sub, .has-sub:focus-within > .sub { display: block; }
.sub a { display: block; padding: 9px 12px; font-size: 14px; }

/* Detail (level-3) page layout */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.detail-main h2 { font-size: 28px; margin: 48px 0 14px; line-height: 1.25; }
.detail-main h2:first-child { margin-top: 0; }
.detail-main h3 { font-size: 19px; margin: 26px 0 8px; }
.detail-main p { color: var(--muted); margin-bottom: 14px; }
.detail-main > ul, .prose ul { list-style: none; margin-bottom: 14px; }
.detail-main > ul li, .prose ul li { color: var(--muted); padding: 5px 0 5px 24px; position: relative; }
.detail-main > ul li::before, .prose ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.detail-main .grid { margin: 20px 0 8px; }
.side { position: sticky; top: 96px; display: grid; gap: 20px; }
.side .card { padding: 24px; }
.side h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 12px; color: var(--muted); }
.side-nav { list-style: none; margin: 0; padding: 0; }
.side-nav li { padding: 0; }
.side-nav li::before { content: none !important; }
.side-nav a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--muted); font-size: 14.5px; }
.side-nav a:hover { background: rgba(255,255,255,.04); color: var(--text); }
.side-nav a[aria-current="page"] { background: rgba(59,130,246,.15); color: var(--text); font-weight: 600; }
.side .btn { width: 100%; justify-content: center; margin-top: 8px; }
.callout { border-left: 3px solid var(--brand-2); background: rgba(34,211,238,.06); padding: 18px 22px; border-radius: 0 12px 12px 0; margin: 20px 0; color: var(--text); }
.prose { max-width: 820px; }
.prose h2 { font-size: 22px; margin: 36px 0 10px; }
.prose p { color: var(--muted); margin-bottom: 12px; }
.job { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.job .meta { color: var(--muted); font-size: 14px; }

/* Responsive */
@media (max-width: 1000px) {
  .grid-4, .stats, .steps { grid-template-columns: repeat(2, 1fr); }
  .steps-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero .container, .split { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 12px 24px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; }
  .nav-links .btn { margin: 8px 0 0; justify-content: center; }
  .sub { display: block; position: static; box-shadow: none; border: none; background: none; padding: 0 0 6px 14px; margin: 0; min-width: 0; }
  .sub a { padding: 7px 8px; font-size: 14px; }
  .has-sub > a::after { content: ""; }
  .nav-links.open { max-height: calc(100vh - 72px); overflow-y: auto; }
  .grid-2, .grid-3, .grid-4, .stats, .steps, .steps-3, .form-row, .footer-grid, #contact-grid { grid-template-columns: 1fr !important; }
  section { padding: 72px 0; }
  .hero { padding: 80px 0 70px; }
  .cta { padding: 44px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}