:root {
  --ink: #0b1020;
  --muted: #65708a;
  --line: #e6e9f0;
  --paper: #ffffff;
  --soft: #f6f7fb;
  --accent: #d9364f;
  --accent-dark: #a91f36;
  --violet: #6d5ce8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(230, 233, 240, .9);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(16px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 23px; font-weight: 800; text-decoration: none; letter-spacing: -.7px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; color: #fff; background: linear-gradient(135deg, var(--accent), var(--violet)); font-size: 18px; box-shadow: 0 10px 25px rgba(217,54,79,.25); }
.brand em { color: var(--accent); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a { color: #374057; font-size: 14px; font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--accent); }
.nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 21px; border-radius: 11px; border: 1px solid var(--ink); background: var(--ink); color: #fff !important; font-weight: 750; text-decoration: none; }
.button.secondary { color: var(--ink) !important; background: #fff; border-color: var(--line); }

.hero { overflow: hidden; padding: 92px 0 78px; background: radial-gradient(circle at 85% 15%, rgba(109,92,232,.14), transparent 28%), radial-gradient(circle at 10% 10%, rgba(217,54,79,.12), transparent 27%), linear-gradient(180deg,#fff,#f8f9fc); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; margin-bottom: 20px; padding: 8px 12px; border: 1px solid #f0c7ce; border-radius: 999px; color: var(--accent-dark); background: #fff5f6; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0 0 22px; max-width: 780px; font-size: clamp(42px, 6vw, 70px); line-height: 1.02; letter-spacing: -3.2px; }
h2 { margin: 0 0 16px; font-size: clamp(31px, 4vw, 46px); line-height: 1.12; letter-spacing: -1.7px; }
h3 { margin: 0 0 9px; font-size: 21px; letter-spacing: -.4px; }
p { margin: 0 0 18px; }
.lead { max-width: 700px; color: #525d75; font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.proof { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; color: var(--muted); font-size: 13px; font-weight: 650; }
.proof span::before { content: "✓"; margin-right: 7px; color: var(--accent); }

.product-panel { position: relative; padding: 20px; border: 1px solid rgba(255,255,255,.65); border-radius: 24px; background: rgba(255,255,255,.82); box-shadow: 0 30px 80px rgba(38,44,68,.16); }
.panel-bar { display: flex; gap: 6px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.panel-bar i { width: 8px; height: 8px; border-radius: 50%; background: #d8dce7; }
.workflow { display: grid; gap: 12px; padding-top: 18px; }
.workflow-card { padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.workflow-card small { color: var(--muted); }
.workflow-card strong { display: block; margin-top: 3px; }
.workflow-card.accent { color: #fff; border: 0; background: linear-gradient(135deg, var(--accent), #8a3fd5); }
.workflow-card.accent small { color: rgba(255,255,255,.76); }

.section { padding: 88px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p, .card p, .policy p, .policy li { color: var(--muted); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.card { padding: 27px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.card-number { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 22px; border-radius: 11px; color: var(--accent); background: #fff1f3; font-weight: 850; }
.steps { counter-reset: step; }
.steps .card::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 20px; color: var(--accent); font-size: 13px; font-weight: 850; letter-spacing: .1em; }
.notice { padding: 24px; border-left: 4px solid var(--accent); border-radius: 12px; background: #fff5f6; }
.notice p:last-child { margin-bottom: 0; }

.pricing-card { position: relative; padding: 32px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.pricing-card.featured { border-color: #d5cffa; box-shadow: 0 20px 50px rgba(55,45,135,.12); }
.pill { display: inline-flex; padding: 6px 10px; border-radius: 999px; color: var(--violet); background: #f0edff; font-size: 11px; font-weight: 850; text-transform: uppercase; }
.pricing-card ul { padding-left: 19px; color: var(--muted); }
.pricing-card li { margin: 9px 0; }
.price { display: flex; align-items: baseline; gap: 5px; margin: 18px 0 16px; color: var(--ink); }
.price > span { align-self: flex-start; margin-top: 10px; font-size: 21px; font-weight: 800; }
.price strong { font-size: 58px; line-height: 1; letter-spacing: -3px; }
.price small { color: var(--muted); font-size: 14px; font-weight: 700; }

.page-hero { padding: 72px 0 54px; background: linear-gradient(180deg,#fff,#f7f8fc); }
.page-hero h1 { max-width: 850px; font-size: clamp(38px,5vw,58px); }
.policy { max-width: 820px; padding: 70px 0 90px; }
.policy h2 { margin-top: 36px; font-size: 26px; letter-spacing: -.7px; }
.policy ul { padding-left: 22px; }
.contact-list { display: grid; gap: 13px; margin-top: 24px; }
.contact-list a { color: var(--accent-dark); font-weight: 750; text-decoration: none; }
.code-block { overflow-x: auto; margin: 0; padding: 22px; border: 1px solid #272d43; border-radius: 15px; color: #dce2f3; background: #10162a; font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.api-list { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.api-row { display: grid; grid-template-columns: 72px minmax(230px,.7fr) 1fr; align-items: center; gap: 18px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.api-row:last-child { border-bottom: 0; }
.api-row p { margin: 0; color: var(--muted); }
.method { display: inline-grid; place-items: center; width: 58px; padding: 5px 7px; border-radius: 7px; font-size: 11px; font-weight: 900; }
.method.post { color: #8e2940; background: #ffe8ed; }
.method.get { color: #205c58; background: #def7f2; }

.site-footer { padding: 55px 0 24px; color: #cbd0df; background: #0b1020; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; }
.site-footer .brand { color: #fff; }
.site-footer p { margin-top: 18px; color: #98a2bb; }
.footer-links { display: grid; gap: 9px; }
.footer-links a { color: #cbd0df; text-decoration: none; font-size: 14px; }
.footer-title { margin-bottom: 14px; color: #fff; font-size: 13px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid #242a3c; color: #7f899f; font-size: 13px; }

@media (max-width: 900px) {
  .hero-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 45px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .nav { flex-wrap: wrap; gap: 10px; padding: 13px 0; }
  .nav-links { width: 100%; gap: 18px; overflow-x: auto; padding-bottom: 3px; }
  .nav-links a { flex: 0 0 auto; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .hero, .section { padding: 64px 0; }
  h1 { letter-spacing: -2.1px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .api-row { grid-template-columns: 65px 1fr; }
  .api-row p { grid-column: 1 / -1; }
  .nav-cta { padding: 0 14px; font-size: 13px; }
}