:root {
  color-scheme: dark;
  --black: #050505;
  --surface: #0d0d0d;
  --surface-raised: #141414;
  --white: #f5f5f2;
  --muted: #9a9a96;
  --line: #292929;
  --line-strong: #454545;
  --max-width: 1200px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--white); background: var(--black); -webkit-font-smoothing: antialiased; }
a { color: inherit; }

.notice {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 8px 24px;
  border-bottom: 1px solid var(--line);
  color: #c9c9c5;
  background: #1b1b1b;
  font-size: 13px;
}
.notice a { color: var(--white); font-weight: 700; text-decoration: none; }

.site-header, main, .site-footer { width: min(var(--max-width), calc(100% - 48px)); margin-inline: auto; }
.site-header { display: grid; grid-template-columns: 1fr auto 1fr; min-height: 78px; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 11px; font-size: 16px; font-weight: 780; letter-spacing: -0.02em; text-decoration: none; }
.brand img, .hero-logo, .cta img { object-fit: cover; object-position: 50% 42%; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 50%; }
nav { display: flex; gap: 32px; }
nav a { color: #b9b9b5; font-size: 14px; text-decoration: none; }
nav a:hover { color: var(--white); }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid var(--line-strong); border-radius: 9px; font-size: 14px; font-weight: 720; text-decoration: none; transition: background 150ms ease, color 150ms ease, border-color 150ms ease; }
.button-small { min-height: 40px; justify-self: end; padding-inline: 18px; color: #111; background: var(--white); }
.button-primary { color: #101010; background: var(--white); border-color: var(--white); }
.button-primary:hover, .button-small:hover { background: #d8d8d4; border-color: #d8d8d4; }
.button-secondary { color: var(--white); background: transparent; }
.button-secondary:hover { background: var(--surface-raised); border-color: #6b6b6b; }

.hero { display: flex; min-height: calc(100vh - 120px); align-items: center; flex-direction: column; justify-content: center; padding: 54px 20px 70px; text-align: center; }
.hero-logo { width: 108px; height: 108px; margin-bottom: 22px; border: 1px solid var(--line-strong); border-radius: 50%; }
.eyebrow { margin: 0 0 18px; color: #b4b4af; font-size: 12px; font-weight: 750; letter-spacing: 0.13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 1020px; margin-bottom: 22px; font-size: clamp(58px, 7.5vw, 102px); font-weight: 740; line-height: 0.9; letter-spacing: -0.075em; }
.hero-copy { max-width: 660px; margin-bottom: 26px; color: var(--muted); font-size: 17px; line-height: 1.5; }
.hero-actions { display: flex; gap: 10px; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.facts div { display: flex; min-height: 138px; align-items: center; flex-direction: column; justify-content: center; padding: 24px; border-left: 1px solid var(--line); text-align: center; }
.facts div:first-child { border-left: 0; }
.facts strong { margin-bottom: 8px; font-size: 27px; letter-spacing: -0.04em; }
.facts span { color: var(--muted); font-size: 13px; }

.section { padding: 148px 0 0; }
.section-heading { margin-bottom: 54px; }
.section h2, .cta h2 { margin-bottom: 0; font-size: clamp(46px, 6.6vw, 86px); line-height: 0.98; letter-spacing: -0.065em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.feature-grid article { min-height: 290px; padding: 34px 32px 38px 0; border-right: 1px solid var(--line); }
.feature-grid article + article { padding-left: 32px; }
.feature-grid article:last-child { border-right: 0; }
.index { color: #6f6f6b; font-size: 12px; }
.feature-grid h3 { margin: 66px 0 14px; font-size: 25px; letter-spacing: -0.035em; }
.feature-grid p, .split-heading > p, .plan-card p, .faq p, .site-footer p { color: var(--muted); line-height: 1.65; }

.split-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr); gap: 70px; align-items: end; }
.split-heading > p { margin-bottom: 2px; }
.plan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.plan-card { display: flex; min-height: 510px; flex-direction: column; justify-content: space-between; padding: 38px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.plan-card:hover { border-color: var(--line-strong); }
.plan-type { margin-bottom: 56px; color: #bdbdb8 !important; font-size: 13px; font-weight: 720; letter-spacing: 0.1em; text-transform: uppercase; }
.plan-card h3 { margin-bottom: 13px; font-size: clamp(43px, 5vw, 66px); letter-spacing: -0.065em; }
.plan-card h3 span { color: var(--muted); font-size: 16px; font-weight: 500; letter-spacing: 0; }
.plan-card ul { margin: 28px 0; padding: 0; list-style: none; }
.plan-card li { padding: 13px 0; border-bottom: 1px solid var(--line); color: #c9c9c5; font-size: 14px; }

.faq { padding-bottom: 148px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 25px 48px 25px 0; cursor: pointer; font-size: 20px; font-weight: 650; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { position: absolute; top: 25px; right: 4px; color: var(--muted); content: "+"; }
.faq details[open] summary::after { content: "−"; }
.faq p { max-width: 720px; padding-bottom: 24px; }

.cta { display: grid; grid-template-columns: auto 1fr auto; gap: 34px; align-items: center; padding: 52px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.cta img { width: 86px; height: 86px; border: 1px solid var(--line-strong); border-radius: 50%; }
.cta h2 { font-size: clamp(34px, 4.5vw, 62px); }
.site-footer { display: grid; grid-template-columns: 0.5fr 1.4fr 0.6fr; gap: 40px; align-items: start; margin-top: 120px; padding: 42px 0 56px; border-top: 1px solid var(--line); }
.site-footer p { margin: 0; font-size: 12px; }
.site-footer > div { display: flex; align-items: flex-end; flex-direction: column; gap: 12px; }
.site-footer > div a { color: #bdbdb8; font-size: 13px; text-decoration: none; }

@media (max-width: 820px) {
  .site-header, main, .site-footer { width: min(100% - 28px, 660px); }
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { min-height: 610px; padding-inline: 0; }
  h1 { font-size: clamp(57px, 16vw, 90px); }
  .facts { grid-template-columns: 1fr; }
  .facts div { min-height: 112px; border-top: 1px solid var(--line); border-left: 0; }
  .facts div:first-child { border-top: 0; }
  .feature-grid, .plan-grid, .split-heading, .cta, .site-footer { grid-template-columns: 1fr; }
  .feature-grid article, .feature-grid article + article { min-height: 240px; padding: 30px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-grid h3 { margin-top: 48px; }
  .split-heading { gap: 28px; }
  .cta { padding: 34px; }
  .cta .button { justify-self: stretch; }
  .site-footer > div { align-items: flex-start; }
}

@media (max-width: 540px) {
  .notice { align-items: flex-start; flex-direction: column; gap: 3px; }
  .site-header { min-height: 70px; }
  .hero { padding: 74px 0 88px; }
  .hero-logo { width: 108px; height: 108px; }
  .hero-copy { font-size: 16px; }
  .hero-actions { width: 100%; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .section { padding-top: 104px; }
  .section-heading { margin-bottom: 38px; }
  .section h2 { font-size: 46px; }
  .plan-card { min-height: 470px; padding: 28px; }
  .faq { padding-bottom: 104px; }
  .cta { gap: 24px; }
  .site-footer { margin-top: 84px; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero > * { animation: reveal 420ms ease-out both; }
  .hero > :nth-child(2) { animation-delay: 40ms; }
  .hero > :nth-child(3) { animation-delay: 80ms; }
  .hero > :nth-child(4) { animation-delay: 120ms; }
  .hero > :nth-child(5) { animation-delay: 160ms; }
  @keyframes reveal { from { opacity: 0; transform: translateY(12px); } }
}
