:root {
  --canvas: #dfe0e8;
  --shell: #f3f3f5;
  --surface: #ffffff;
  --sunk: #f6f6f8;
  --ink: #111214;
  --ink-2: #3d3f45;
  --muted: #8a8c94;
  --line: #e8e8ec;
  --line-2: #d4d5db;
  --green: #18b26b;
  --green-soft: #e2f6ec;
  --amber: #f08a1c;
  --amber-soft: #fdeedd;
  --yellow: #f5c518;
  --red: #ef4b3f;
  --red-soft: #fde6e4;
  --sans: "Geist", system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }

.page { max-width: 1320px; margin: 20px auto; background: var(--shell); border-radius: 36px; padding: 20px 24px 28px; box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.7); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; background: var(--surface); padding: 8px 18px 8px 8px; border-radius: 999px; font-weight: 600; text-decoration: none; }
.logo { display: block; width: 34px; height: 34px; border-radius: 10px; }
.links { display: flex; gap: 8px; }
.links a { padding: 11px 20px; border-radius: 999px; background: var(--surface); text-decoration: none; font-weight: 500; }
.links a:hover { background: #fafafa; }
.btn-dark { background: var(--ink); color: #fff; text-decoration: none; padding: 12px 22px; border-radius: 999px; font-weight: 500; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--yellow); color: var(--ink); text-decoration: none; padding: 15px 24px; border-radius: 16px; font-weight: 600; transition: transform 0.15s; }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { display: inline-flex; align-items: center; background: var(--surface); border: 1px solid var(--line); padding: 14px 22px; border-radius: 16px; text-decoration: none; font-weight: 500; }
.btn-ghost:hover { border-color: var(--line-2); }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 24px; margin-top: 20px; background: var(--surface); border-radius: 28px; padding: 56px 48px; overflow: hidden; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; background: var(--sunk); padding: 8px 14px; border-radius: 999px; font-size: 13px; color: var(--ink-2); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px var(--green-soft); }
h1 { font-size: clamp(40px, 5.4vw, 68px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 500; margin: 22px 0 18px; max-width: 13ch; }
.hero-copy p { font-size: 17px; color: var(--ink-2); max-width: 52ch; margin: 0; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 36px; }
.stats { display: flex; gap: 12px; margin: 0; flex-wrap: wrap; }
.stats div { background: var(--sunk); border-radius: 18px; padding: 14px 18px; min-width: 132px; }
.stats dt { font-size: 12.5px; color: var(--muted); }
.stats dd { margin: 2px 0 0; font-size: 34px; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }

.hero-art { position: relative; min-height: 440px; }
.mock { position: absolute; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 24px 48px -28px rgba(17, 18, 20, 0.35); }
.browser { inset: 10px 8% 90px 0; overflow: hidden; display: flex; flex-direction: column; background: var(--sunk);
  background-image: radial-gradient(var(--line-2) 1px, transparent 1px); background-size: 14px 14px; }
.b-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.b-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.b-bar span { margin-left: 10px; font: 12px var(--mono); color: var(--muted); background: var(--sunk); padding: 4px 12px; border-radius: 999px; }
.b-body { flex: 1; display: flex; flex-wrap: wrap; gap: 10px; align-content: center; justify-content: center; padding: 24px; }
.pin { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; font-weight: 500;
  animation: pop 0.5s cubic-bezier(0.3, 1.4, 0.5, 1) backwards; animation-delay: var(--d); }
.pin b { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 8px; font-size: 11px; }
.pin.r b { background: var(--red-soft); color: var(--red); }
.pin.a b { background: var(--amber-soft); color: var(--amber); }
@keyframes pop { from { opacity: 0; transform: scale(0.6); } }
.score { right: 0; top: 46px; width: 170px; padding: 16px 18px; display: grid; gap: 2px; animation: float 6s ease-in-out infinite; }
.score strong { font-size: 52px; font-weight: 400; letter-spacing: -0.04em; line-height: 1; color: var(--red); }
.pill { justify-self: start; margin-top: 6px; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill.red { background: var(--red); color: #fff; }
.k { color: var(--muted); font-size: 12.5px; }
.seal { left: 6%; bottom: 20px; display: flex; gap: 12px; align-items: center; padding: 14px 20px 14px 14px; animation: float 7s ease-in-out infinite reverse; }
.seal div { display: grid; }
.seal span:not(.seal-ic) { color: var(--muted); font-size: 12.5px; }
.seal-ic { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--green); color: #fff; }
.grid-mini { right: 2%; bottom: 0; padding: 14px 16px; width: 210px; }
.dots { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-top: 8px; }
.dots i { aspect-ratio: 1; border-radius: 50%; }
.dots .x { background: var(--red); } .dots .ok { background: var(--green); }
@keyframes float { 50% { transform: translateY(-8px); } }

/* how */
.how { margin-top: 16px; background: var(--surface); border-radius: 28px; padding: 40px 48px; }
h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 500; letter-spacing: -0.025em; margin: 0 0 24px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.steps li { position: relative; border: 1px solid var(--line); border-radius: 22px; padding: 20px; }
.steps li + li::before { content: ""; position: absolute; left: -13px; top: 44px; width: 14px; border-top: 2px dashed var(--line-2); }
.s-ic { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--ink); color: #fff; margin-bottom: 14px; }
.s-ic svg { width: 22px; height: 22px; }
.steps li:last-child .s-ic { background: var(--green); }
.steps b { font-size: 16px; font-weight: 600; }
.steps p { margin: 4px 0 0; color: var(--muted); font-size: 13.5px; }

/* who */
.who { margin-top: 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.who article { background: var(--surface); border-radius: 24px; padding: 24px; }
.tag { display: inline-block; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #fff; }
.tag.red { background: var(--red); } .tag.ink { background: var(--ink); } .tag.amber { background: var(--amber); } .tag.green { background: var(--green); }
.who h3 { font-size: 18px; font-weight: 500; margin: 16px 0 6px; letter-spacing: -0.01em; }
.who p { margin: 0; color: var(--muted); font-size: 14px; }

/* final */
.final { margin-top: 16px; background: var(--ink); color: #fff; border-radius: 28px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.final h2 { margin: 0; }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 12.5px; padding: 20px 8px 0; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; padding: 40px 28px; }
  .hero-art { min-height: 380px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li + li::before { display: none; }
  .who { grid-template-columns: repeat(2, 1fr); }
  .links { display: none; }
}
@media (max-width: 600px) {
  .page { margin: 0; border-radius: 0; padding: 14px 16px 24px; box-shadow: none; }
  .hero { padding: 28px 18px; border-radius: 22px; }
  .hero-art { min-height: 340px; }
  .browser { right: 0; }
  .score { top: auto; bottom: 110px; width: 140px; }
  .score strong { font-size: 40px; }
  .grid-mini { display: none; }
  .how, .final { padding: 28px 18px; }
  .steps, .who { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }