:root {
  color-scheme: light;
  --ink: #102235;
  --ink-soft: #294052;
  --muted: #667989;
  --blue: #2196f3;
  --blue-deep: #1478c9;
  --blue-soft: #e8f5ff;
  --sage: #eff3ec;
  --sky: #d2edfd;
  --paper: #ffffff;
  --line: #dce9f0;
  --success: #10a981;
  --shadow: 0 24px 70px rgba(27, 75, 108, 0.12);
  --shadow-soft: 0 12px 36px rgba(27, 75, 108, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #f8fbfc;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 8% 4%, rgba(33, 150, 243, 0.14), transparent 31rem),
    radial-gradient(circle at 92% 14%, rgba(117, 199, 167, 0.14), transparent 27rem),
    linear-gradient(180deg, #f8fcff 0%, #f7faf8 100%);
}
a { color: var(--blue-deep); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: #0e65ad; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; color: var(--paper); background: var(--ink); border-radius: 10px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(220, 233, 240, 0.78); background: rgba(248, 252, 255, 0.84); backdrop-filter: blur(18px); }
.header-inner, .section, .footer-inner, .doc-shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: 17px; font-weight: 800; letter-spacing: -0.03em; text-decoration: none; }
.wordmark img { width: 41px; height: 41px; object-fit: contain; }
.top-nav { display: flex; align-items: center; gap: 7px; }
.top-nav a { padding: 9px 13px; color: var(--ink-soft); border-radius: 999px; font-size: 14px; font-weight: 700; text-decoration: none; transition: 160ms ease; }
.top-nav a:hover, .top-nav a[aria-current="page"] { color: var(--blue-deep); background: var(--blue-soft); }

.hero { min-height: 710px; display: grid; grid-template-columns: 1.02fr 0.98fr; align-items: center; gap: clamp(48px, 7vw, 96px); padding-block: 88px 96px; }
.eyebrow, .doc-kicker { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px; padding: 7px 11px; color: var(--blue-deep); background: var(--blue-soft); border: 1px solid #cfeafd; border-radius: 999px; font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.eyebrow::before, .doc-kicker::before { content: ""; width: 7px; height: 7px; background: var(--blue); border-radius: 50%; box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.12); }
.hero h1, .doc-hero h1 { margin: 0; max-width: 760px; font-size: clamp(48px, 7vw, 78px); line-height: 0.99; letter-spacing: -0.062em; }
.hero h1 span { color: var(--blue); }
.hero-copy { max-width: 590px; margin: 25px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 9px; padding: 12px 19px; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: rgba(255, 255, 255, 0.8); box-shadow: 0 8px 24px rgba(27, 75, 108, 0.07); font-weight: 800; text-decoration: none; transition: transform 160ms ease, box-shadow 160ms ease; }
.button:hover { color: var(--ink); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(27, 75, 108, 0.12); }
.button.primary { color: var(--paper); border-color: var(--blue); background: linear-gradient(135deg, #31a6ff, #1478c9); box-shadow: 0 14px 30px rgba(33, 150, 243, 0.25); }
.button.primary:hover { color: var(--paper); }
.trust-row { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 35px; color: var(--muted); font-size: 13px; font-weight: 700; }
.trust-row span { display: inline-flex; align-items: center; gap: 7px; }
.trust-row span::before { content: "✓"; display: inline-grid; width: 20px; height: 20px; place-items: center; color: var(--success); background: #e9faf4; border-radius: 50%; font-size: 12px; }

.product-stage { position: relative; min-height: 555px; display: grid; place-items: center; }
.product-stage::before { content: ""; position: absolute; width: min(510px, 94%); aspect-ratio: 1; background: linear-gradient(145deg, rgba(210, 237, 253, 0.88), rgba(239, 243, 236, 0.88)); border-radius: 44% 56% 62% 38% / 44% 38% 62% 56%; filter: drop-shadow(0 28px 50px rgba(27, 75, 108, 0.14)); animation: float-blob 10s ease-in-out infinite; }
@keyframes float-blob { 0%, 100% { transform: rotate(-3deg) scale(1); } 50% { transform: rotate(3deg) scale(1.025); } }
.app-card { position: relative; z-index: 2; width: min(420px, 90%); padding: 24px; border: 1px solid rgba(255, 255, 255, 0.92); border-radius: 29px; background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow); backdrop-filter: blur(16px); transform: rotate(1.5deg); }
.app-top { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.app-greeting strong, .budget-summary strong { display: block; letter-spacing: -0.03em; }
.app-greeting small, .budget-summary small, .vendor-row small { color: var(--muted); }
.avatar-pair { display: flex; padding-right: 7px; }
.avatar { width: 35px; height: 35px; display: grid; place-items: center; margin-right: -7px; color: var(--paper); background: var(--blue); border: 3px solid var(--paper); border-radius: 50%; font-size: 11px; font-weight: 800; }
.avatar.alt { background: #75c7a7; }
.budget-summary { display: grid; grid-template-columns: 1fr auto; gap: 15px; align-items: center; padding: 20px; color: var(--paper); background: linear-gradient(135deg, #239cf5, #146fbd); border-radius: 21px; box-shadow: 0 15px 30px rgba(33, 150, 243, 0.23); }
.budget-summary strong { margin-top: 3px; font-size: 28px; }
.budget-summary small { color: rgba(255, 255, 255, 0.78); }
.progress-ring { width: 65px; height: 65px; display: grid; place-items: center; background: conic-gradient(#ffffff 0 72%, rgba(255, 255, 255, 0.24) 72% 100%); border-radius: 50%; }
.progress-ring::after { content: "72%"; display: grid; width: 50px; height: 50px; place-items: center; color: var(--paper); background: #1b86d5; border-radius: 50%; font-size: 11px; font-weight: 800; }
.vendor-list { margin-top: 20px; }
.list-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 9px; font-size: 13px; font-weight: 800; }
.list-heading span { color: var(--blue-deep); }
.vendor-row { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid #edf2f5; }
.vendor-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--blue-soft); }
.vendor-icon.green { background: #e9faf4; }
.vendor-icon.amber { background: #fff6df; }
.vendor-row strong { display: block; font-size: 13px; }
.vendor-price { text-align: right; font-size: 13px; font-weight: 800; }
.floating-note { position: absolute; z-index: 3; right: 0; bottom: 52px; width: 185px; padding: 15px; border: 1px solid rgba(255, 255, 255, 0.95); border-radius: 17px; background: rgba(255, 255, 255, 0.94); box-shadow: var(--shadow-soft); font-size: 12px; font-weight: 700; }
.floating-note span { display: inline-grid; width: 26px; height: 26px; place-items: center; margin-right: 7px; color: var(--success); background: #e9faf4; border-radius: 9px; }
.demo-label { position: absolute; z-index: 3; left: 24px; bottom: 20px; color: var(--muted); font-size: 11px; font-weight: 700; }

.section { padding-block: 92px; }
.section-heading { max-width: 680px; margin-bottom: 42px; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.045em; }
.section-heading p { margin: 16px 0 0; color: var(--muted); font-size: 18px; }
.feature-grid, .legal-grid, .support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .legal-card, .support-card { position: relative; overflow: hidden; padding: 26px; border: 1px solid var(--line); border-radius: 23px; background: rgba(255, 255, 255, 0.85); box-shadow: var(--shadow-soft); }
.feature-card::after { content: ""; position: absolute; right: -28px; bottom: -42px; width: 115px; height: 115px; background: var(--blue-soft); border-radius: 50%; opacity: 0.72; }
.feature-icon, .support-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--blue-deep); background: var(--blue-soft); border-radius: 15px; font-size: 21px; }
.feature-card h3, .legal-card h3, .support-card h3 { position: relative; z-index: 1; margin: 20px 0 8px; font-size: 21px; letter-spacing: -0.025em; }
.feature-card p, .legal-card p, .support-card p { position: relative; z-index: 1; margin: 0; color: var(--muted); }
.legal-band { background: linear-gradient(180deg, rgba(210, 237, 253, 0.36), rgba(239, 243, 236, 0.44)); border-block: 1px solid rgba(220, 233, 240, 0.8); }
.legal-card { min-height: 210px; display: flex; flex-direction: column; box-shadow: none; }
.legal-card h3 { margin-top: 0; }
.legal-card a { margin-top: auto; padding-top: 24px; font-weight: 800; text-decoration: none; }

.site-footer { padding-block: 36px; color: #d8e6ee; background: #10283b; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; }
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer-brand img { width: 38px; filter: brightness(0) invert(1); opacity: 0.92; }
.footer-brand strong { display: block; color: var(--paper); }
.footer-brand small { color: #9fb4c2; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-links a { color: #d8e6ee; text-decoration: none; font-size: 14px; font-weight: 700; }

.doc-hero { padding-block: 74px 54px; text-align: center; }
.doc-hero h1 { margin-inline: auto; font-size: clamp(43px, 7vw, 66px); }
.doc-hero p { max-width: 660px; margin: 18px auto 0; color: var(--muted); font-size: 18px; }
.updated { display: inline-flex; margin-top: 20px !important; padding: 7px 12px; color: var(--ink-soft) !important; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; font-size: 13px !important; font-weight: 700; }
.doc-shell { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 44px; align-items: start; padding-bottom: 96px; }
.doc-toc { position: sticky; top: 104px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, 0.7); }
.doc-toc strong { display: block; margin-bottom: 10px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.doc-toc a { display: block; padding: 7px 9px; color: var(--muted); border-radius: 9px; font-size: 13px; font-weight: 700; text-decoration: none; }
.doc-toc a:hover { color: var(--blue-deep); background: var(--blue-soft); }
.doc-content { padding: clamp(26px, 5vw, 52px); border: 1px solid var(--line); border-radius: 28px; background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow-soft); }
.doc-content section { scroll-margin-top: 110px; padding-block: 7px 27px; border-bottom: 1px solid #edf2f5; }
.doc-content section + section { padding-top: 28px; }
.doc-content section:last-of-type { padding-bottom: 0; border-bottom: 0; }
.doc-content h2 { margin: 0 0 10px; font-size: 24px; line-height: 1.3; letter-spacing: -0.03em; }
.doc-content p, .doc-content li { color: var(--ink-soft); }
.doc-content p { margin: 0; }
.doc-content ul { margin: 12px 0 0; padding-left: 22px; }
.doc-content li + li { margin-top: 9px; }
.inline-note { margin-bottom: 28px; padding: 16px 18px; color: var(--ink-soft); background: linear-gradient(135deg, var(--blue-soft), #f2faf6); border: 1px solid #d8edf7; border-radius: 16px; }
.contact-banner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; margin-top: 50px; padding: 25px; border-radius: 21px; background: #10283b; }
.contact-banner h3 { margin: 0; color: var(--paper); }
.contact-banner p { margin: 5px 0 0; color: #a9bdc9; }
.contact-banner .button { white-space: nowrap; }

.support-shell { width: min(1000px, calc(100% - 40px)); margin-inline: auto; padding-bottom: 96px; }
.support-lead { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 18px; margin-bottom: 18px; }
.support-primary { padding: 34px; color: var(--paper); background: linear-gradient(135deg, #1689dd, #105f9f); border-radius: 26px; box-shadow: 0 20px 50px rgba(33, 150, 243, 0.2); }
.support-primary h2 { margin: 0 0 10px; font-size: 29px; letter-spacing: -0.035em; }
.support-primary p { margin: 0 0 24px; color: rgba(255, 255, 255, 0.78); }
.support-primary .button { color: var(--blue-deep); background: var(--paper); border-color: var(--paper); }
.response-card { display: grid; align-content: center; padding: 30px; border: 1px solid var(--line); border-radius: 26px; background: rgba(255, 255, 255, 0.85); }
.response-card strong { display: block; margin-top: 14px; font-size: 21px; overflow-wrap: anywhere; }
.response-card p { margin: 5px 0 0; color: var(--muted); }
.support-grid { margin-top: 18px; }
.support-card { box-shadow: none; }
.support-card h3 { margin-top: 17px; }
.support-card a { display: inline-block; margin-top: 16px; font-size: 14px; font-weight: 800; text-decoration: none; }
.help-tip { margin-top: 18px; padding: 24px; border: 1px dashed #b9d9e9; border-radius: 20px; color: var(--ink-soft); background: rgba(232, 245, 255, 0.5); }
.help-tip strong { color: var(--ink); }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .product-stage::before { animation: none; } .button { transition: none; } }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 65px; }
  .hero-copy-block { text-align: center; }
  .hero-copy, .hero-actions, .trust-row { justify-content: center; margin-inline: auto; }
  .product-stage { min-height: 510px; }
  .feature-grid, .legal-grid, .support-grid { grid-template-columns: 1fr; }
  .doc-shell { grid-template-columns: 1fr; }
  .doc-toc { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .doc-toc strong { width: 100%; }
  .support-lead { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .header-inner, .section, .footer-inner, .doc-shell, .support-shell { width: min(100% - 24px, 1160px); }
  .header-inner { min-height: 68px; }
  .wordmark span { display: none; }
  .top-nav { gap: 0; }
  .top-nav a { padding: 8px 9px; font-size: 12px; }
  .hero { min-height: auto; padding-block: 55px 70px; }
  .hero h1 { font-size: clamp(42px, 14vw, 58px); }
  .product-stage { min-height: 450px; }
  .app-card { padding: 17px; transform: none; }
  .floating-note { right: 2px; bottom: 28px; }
  .demo-label { display: none; }
  .section { padding-block: 70px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .doc-hero { padding-block: 52px 35px; }
  .doc-content { padding: 24px 20px; border-radius: 21px; }
  .doc-toc { overflow-x: auto; flex-wrap: nowrap; }
  .doc-toc strong { display: none; }
  .doc-toc a { white-space: nowrap; }
  .contact-banner { grid-template-columns: 1fr; }
  .support-primary, .response-card { padding: 26px 22px; }
}