:root {
  --ink: #0b1726;
  --ink-2: #13243a;
  --text: #1d2b3a;
  --muted: #5b6b7d;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --brand: #14b8a6;
  --brand-dark: #0f8f82;
  --brand-soft: #e6f7f5;
  --review: #f59e0b;
  --decline: #ef4444;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 23, 38, .06), 0 8px 24px rgba(11, 23, 38, .08);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; font-size: 17px; }
img, svg { display: block; }
a { color: var(--brand-dark); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.4vw, 3.25rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -.02em; max-width: 30ch; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .88em; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(11, 23, 38, .92); backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand .logo { width: 28px; height: 28px; color: var(--brand); }
.nav-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: #c6d2df; text-decoration: none; font-size: .95rem; }
.nav-links a:hover { color: #fff; }
.nav-cta { margin-left: auto; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 22px; border-radius: 10px; font-weight: 600; font-size: 1rem; text-decoration: none; transition: background .15s, border-color .15s, transform .15s; border: 1px solid transparent; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: .92rem; }
.btn-primary { background: var(--brand); color: var(--ink); }
.btn-primary:hover { background: #2dd4bf; }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .25); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, .6); }
.btn-ghost-dark { color: var(--ink); border-color: var(--line); background: #fff; }
.btn-ghost-dark:hover { border-color: var(--ink); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta-center { justify-content: center; }

/* hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, rgba(20, 184, 166, .18), transparent 60%), linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%); color: #d5dee8; padding: 88px 0 96px; }
.hero h1 { color: #fff; }
.hero-grid > *, .how > *, .partner > * { min-width: 0; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--brand-dark); margin-bottom: 14px; }
.hero .eyebrow, .eyebrow-light { color: var(--brand); }
.lead { font-size: 1.13rem; color: #b9c6d4; max-width: 60ch; }

.result-card { margin: 0; background: #fff; color: var(--text); border-radius: 18px; padding: 22px; box-shadow: 0 30px 60px rgba(0, 0, 0, .35); }
.rc-head { display: flex; justify-content: space-between; align-items: center; font-size: .85rem; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.rc-head code { color: var(--ink); font-weight: 600; }
.rc-event { background: var(--bg-alt); border-radius: 999px; padding: 2px 10px; }
.rc-score { display: flex; align-items: center; gap: 18px; padding: 18px 0; }
.gauge { --p: 92; width: 88px; height: 88px; flex: none; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--decline) calc(var(--p) * 1%), #f1f5f9 0); }
.gauge span { width: 68px; height: 68px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-size: 1.6rem; font-weight: 800; color: var(--ink); }
.rc-label { margin: 0; font-size: .85rem; color: var(--muted); }
.rc-meta { margin: 6px 0 0; font-size: .78rem; color: var(--muted); }
.badge { display: inline-block; margin: 4px 0 0; padding: 3px 12px; border-radius: 999px; font-weight: 700; font-size: .9rem; }
.badge-decline { background: #fee2e2; color: #b91c1c; }
.rc-reasons { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rc-reasons li { display: grid; grid-template-columns: 40px 1fr; grid-template-rows: auto auto; column-gap: 12px; background: var(--bg-alt); border-radius: 10px; padding: 10px 12px; }
.rc-reasons .w { grid-row: span 2; align-self: center; text-align: center; font-weight: 800; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 4px 0; font-size: .9rem; }
.rc-reasons code { font-size: .78rem; color: var(--brand-dark); font-weight: 600; word-break: break-all; }
.rc-reasons .d { font-size: .9rem; color: var(--text); }
.result-card figcaption { margin-top: 12px; font-size: .75rem; color: var(--muted); text-align: right; }

/* strip */
.strip { border-bottom: 1px solid var(--line); background: #fff; padding: 28px 0; }
.strip-list { list-style: none; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.strip-list li { display: flex; flex-direction: column; gap: 2px; padding-left: 14px; border-left: 3px solid var(--brand); }
.strip-list strong { color: var(--ink); }
.strip-list span { color: var(--muted); font-size: .92rem; line-height: 1.45; }

/* sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--ink); color: #b9c6d4; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-lead { font-size: 1.1rem; color: var(--muted); max-width: 70ch; margin-bottom: 48px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.card h3 { position: relative; padding-left: 18px; }
.card h3::before { content: ""; position: absolute; left: 0; top: .35em; width: 8px; height: 8px; border-radius: 2px; background: var(--decline); }
.card p { color: var(--muted); margin: 0; }

.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.svc-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--brand-soft); color: var(--brand-dark); display: grid; place-items: center; font-weight: 800; font-family: var(--mono); margin-bottom: 18px; }
.service > p { color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; font-size: .95rem; line-height: 1.5; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 16px; height: 16px; border-radius: 50%; background: var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8.2 2.2 2.2 4.6-4.8' fill='none' stroke='%230f8f82' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat; }
.ticks b { color: var(--ink); }

/* how */
.how { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; margin-top: 40px; }
.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; gap: 26px; }
.steps li { counter-increment: s; position: relative; padding-left: 58px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 700; }
.steps h3 { margin-bottom: 4px; }
.steps p { color: var(--muted); margin: 0; }
.code { margin: 0; background: var(--ink); color: #d5dee8; border-radius: var(--radius); padding: 24px; overflow-x: auto; font-size: .82rem; line-height: 1.65; box-shadow: var(--shadow); }
.code code { font-size: inherit; }
.code .c { color: #6b7f95; }
.code .s { color: #5eead4; }
.code .k { color: #93c5fd; }

.usecases { margin-top: 72px; }
.uc-title { font-size: 1.3rem; margin-bottom: 20px; }
.uc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.uc { border-top: 3px solid var(--brand); background: var(--bg-alt); border-radius: 0 0 var(--radius) var(--radius); padding: 20px; }
.uc p { margin: 0; color: var(--muted); font-size: .95rem; }

.why { margin-top: 40px; gap: 36px 40px; }
.why p { margin: 0; }

/* partner */
.partner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.partner-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.timeline { list-style: none; margin: 0; padding: 28px; display: grid; gap: 22px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 18px; }
.timeline li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; }
.timeline li > span { width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: var(--ink); display: grid; place-items: center; font-weight: 800; }
.timeline h4 { margin: 6px 0 2px; }
.timeline p { margin: 0; color: var(--muted); font-size: .95rem; }

/* faq */
.faq { max-width: 860px; }
.faq h2 { margin-bottom: 32px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; margin-bottom: 10px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 600; color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--brand-dark); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 6px; }

/* final cta */
.cta-final { padding-top: 0; }
.cta-box { text-align: center; background: linear-gradient(135deg, var(--brand-soft), #eef6ff); border-radius: 24px; padding: 64px 24px; }
.cta-box h2 { margin: 0 auto 12px; }
.cta-box p { color: var(--muted); max-width: 56ch; margin: 0 auto; font-size: 1.1rem; }

/* footer */
.footer { background: var(--ink); color: #8a9bb0; padding: 48px 0 24px; font-size: .95rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer .muted { color: #8a9bb0; margin-top: 10px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-links a { color: #c6d2df; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-base { border-top: 1px solid rgba(255, 255, 255, .08); margin-top: 32px; padding-top: 20px; font-size: .85rem; }
.footer-base p { margin: 0; }

/* responsive */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .how, .partner { grid-template-columns: 1fr; }
  .grid-3, .services { grid-template-columns: 1fr 1fr; }
  .uc-grid, .strip-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 56px 0 64px; }
  .section { padding: 64px 0; }
  .grid-3, .services, .uc-grid, .strip-list, .partner-cols { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .nav-cta { width: auto; }
  .code { font-size: .75rem; padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:hover { transform: none; }
}