:root {
  --navy: #0f172a;
  --navy-2: #1e293b;
  --blue: #2563eb;
  --blue-l: #60a5fa;
  --sky: #dbeafe;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --soft: #f1f5f9;
  --red: #dc2626;
  --amber: #d97706;
  --green: #059669;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: #fff;
}
img, svg { display: block; }
a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 820px; }
section { padding: 88px 0; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 14px; color: var(--navy); letter-spacing: -0.01em; }
h2 { font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: 18px; }
p { margin: 0 0 12px; }
.kicker { text-transform: uppercase; letter-spacing: .08em; font-size: 13px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.kicker.light { color: var(--blue-l); }
.note { color: var(--muted); font-size: 14px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(15, 23, 42, .96); backdrop-filter: blur(8px); }
.bar { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand img { height: 34px; width: auto; }
.top nav { display: flex; gap: 22px; margin-left: 12px; }
.top nav a { color: #cbd5e1; text-decoration: none; font-size: 15px; }
.top nav a:hover { color: #fff; }
.bar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.lang { color: #cbd5e1; font-size: 14px; text-decoration: none; border: 1px solid #334155; padding: 4px 10px; border-radius: 999px; }
.lang:hover { color: #fff; border-color: #64748b; }
.signin { color: #e2e8f0; font-size: 15px; font-weight: 600; text-decoration: none; }
.signin:hover { color: #fff; text-decoration: underline; }

/* buttons */
.btn { display: inline-block; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600; padding: 13px 22px; border-radius: 10px; transition: background .15s; }
.btn:hover { background: #1d4ed8; }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn.ghost { background: transparent; border: 1px solid #475569; color: #e2e8f0; }
.btn.ghost:hover { border-color: #94a3b8; background: rgba(255, 255, 255, .04); }

/* hero */
.hero { background: radial-gradient(1200px 600px at 85% -10%, #1e3a8a 0%, transparent 60%), var(--navy); color: #e2e8f0; padding: 96px 0 72px; }
.hero h1 { color: #fff; font-size: clamp(40px, 6vw, 68px); font-weight: 800; }
.hero h1 span { color: var(--blue-l); }
.lead { font-size: 19px; max-width: 760px; color: #cbd5e1; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 56px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); border-radius: var(--radius); padding: 18px 20px; }
.stat b { display: block; font-size: 36px; color: #fff; line-height: 1.1; }
.stat span { color: #94a3b8; font-size: 14px; }

/* problem */
.two { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.vs { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 15px; }
.vs th, .vs td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.vs thead th { background: var(--soft); font-size: 14px; color: var(--muted); }
.vs thead th:last-child { color: var(--blue); }
.vs tbody th { font-weight: 600; color: var(--navy); width: 34%; }
.vs td.us { background: #f8fbff; color: var(--navy); font-weight: 500; }
.vs tr:last-child th, .vs tr:last-child td { border-bottom: 0; }

/* findings */
.examples { background: var(--soft); }
.findings { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.finding { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; display: grid; grid-template-columns: auto 1fr; gap: 6px 10px; align-items: center; }
.finding .txt { grid-column: 1 / -1; color: var(--navy); font-weight: 500; }
.sev { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.sev.high { background: #fee2e2; color: var(--red); }
.sev.medium { background: #fef3c7; color: var(--amber); }
.src { color: var(--muted); font-size: 14px; }

/* cards */
.grid { display: grid; gap: 18px; margin-top: 30px; }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; position: relative; }
.card::before { content: ""; position: absolute; left: 0; top: 22px; width: 4px; height: 26px; background: var(--blue); border-radius: 0 4px 4px 0; }
.card p { color: #475569; font-size: 15px; margin: 0; }
.card.dark { background: var(--navy-2); border-color: #334155; }
.card.dark h3 { color: var(--blue-l); }
.card.dark p { color: #cbd5e1; }

/* steps */
.soft { background: var(--soft); }
.steps { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.steps li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps .num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 14px; }
.steps p { color: #475569; font-size: 15px; margin: 0; }

/* coverage */
.coverage { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 30px 0 14px; }
.cov-group { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.cov-group h3 { font-size: 15px; color: var(--blue); margin-bottom: 14px; }
.tiles { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.tiles li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--navy); }
.logo { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line); display: grid; place-items: center; background: #fff; }
.logo svg { width: 18px; height: 18px; }
.logo.mono { color: #fff; font-size: 11px; font-weight: 700; border: 0; }
.frameworks { margin-top: 40px; }
.frameworks ul { list-style: none; padding: 0; margin: 16px 0 10px; display: flex; flex-wrap: wrap; gap: 10px; }
.frameworks li { background: var(--sky); color: #1e3a8a; padding: 7px 13px; border-radius: 999px; font-size: 14px; font-weight: 600; }

/* trust */
.darkband { background: var(--navy); }
.darkband h2 { color: #fff; }

/* faq */
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--navy); font-size: 17px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--blue); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: #475569; margin-top: 10px; }

/* cta */
.cta { padding-top: 0; }
.cta-box { background: linear-gradient(120deg, #1e3a8a, var(--blue)); color: #e0e7ff; border-radius: 22px; padding: 44px 48px; display: flex; gap: 32px; align-items: center; justify-content: space-between; }
.cta-box h2 { color: #fff; }
.cta-box .btn { background: #fff; color: #1e3a8a; flex: 0 0 auto; }
.checks { list-style: none; padding: 0; margin: 10px 0 0; display: flex; gap: 20px; flex-wrap: wrap; }
.checks li::before { content: "✓ "; color: #bbf7d0; font-weight: 700; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.foot { display: flex; gap: 12px; align-items: center; }
.foot a { margin-left: auto; }

@media (max-width: 1000px) {
  .top nav { display: none; }
  .two, .coverage { grid-template-columns: 1fr; }
  .grid.four, .steps { grid-template-columns: repeat(2, 1fr); }
  .grid.three, .findings { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .grid.four, .grid.three, .steps, .findings { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .bar-right .btn { display: none; }
  .bar-right .signin { font-size: 14px; }
}