:root {
  --night: #071326;
  --night-soft: #0c1b33;
  --paper: #f6f2e9;
  --paper-deep: #e9e5dc;
  --ink: #101827;
  --muted: #687181;
  --line: rgba(16, 24, 39, 0.16);
  --line-dark: rgba(246, 242, 233, 0.18);
  --saffron: #ffb43b;
  --ice: #8ed8ff;
  --coral: #ff7a66;
  --max: 1160px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 28px 28px 18px;
}

.site-header.dark {
  color: var(--paper);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 18px;
  font-weight: 700;
  gap: 10px;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  background: var(--saffron);
  border-radius: 50%;
  display: inline-block;
  height: 10px;
  width: 10px;
}

.site-nav {
  align-items: center;
  display: flex;
  font-size: 14px;
  gap: 28px;
}

.site-nav a {
  opacity: 0.74;
  text-decoration: none;
  transition: opacity 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.hero {
  background: var(--night);
  color: var(--paper);
  min-height: 720px;
  overflow: hidden;
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  margin: 0 auto;
  max-width: var(--max);
  padding: 94px 28px 116px;
}

.hero-copy h1 {
  font-size: clamp(58px, 8vw, 112px);
  font-weight: 650;
  letter-spacing: -0.085em;
  line-height: 0.92;
  margin: 0;
  max-width: 650px;
}

.hero-copy h1 span {
  color: var(--saffron);
}

.hero-copy p {
  max-width: 450px;
}

.hero-lede {
  color: rgba(246, 242, 233, 0.72);
  font-size: 19px;
  margin: 36px 0 0;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.button {
  align-items: center;
  background: var(--saffron);
  border: 1px solid var(--saffron);
  border-radius: 999px;
  color: var(--night);
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  background: #ffc766;
  border-color: #ffc766;
  transform: translateY(-1px);
}

.button.quiet {
  background: transparent;
  border-color: rgba(246, 242, 233, 0.32);
  color: var(--paper);
}

.button.quiet:hover,
.button.quiet:focus-visible {
  border-color: var(--paper);
}

.hero-note {
  color: rgba(246, 242, 233, 0.48);
  font-size: 12px;
  margin: 22px 0 0;
}

.hero-visual {
  margin: 0;
  position: relative;
}

.hero-visual::before {
  border: 1px solid rgba(142, 216, 255, 0.18);
  border-radius: 50%;
  content: "";
  height: 480px;
  left: 18%;
  position: absolute;
  top: -9%;
  width: 480px;
}

.hero-visual img {
  border: 1px solid rgba(246, 242, 233, 0.14);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
  position: relative;
  width: 100%;
}

.section {
  margin: 0 auto;
  max-width: var(--max);
  padding: 124px 28px;
}

.section-intro {
  align-items: start;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(150px, 0.4fr) minmax(0, 1fr);
}

.section-number {
  color: var(--coral);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section h2 {
  font-size: clamp(42px, 5vw, 76px);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.98;
  margin: 0;
  max-width: 700px;
}

.section-intro p {
  color: var(--muted);
  font-size: 18px;
  margin: 28px 0 0;
  max-width: 580px;
}

.feature-list {
  border-top: 1px solid var(--line);
  margin: 92px 0 0;
}

.feature-row {
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1fr);
  padding: 30px 0 34px;
}

.feature-row h3 {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 550;
  letter-spacing: -0.05em;
  margin: 0;
}

.feature-row p {
  color: var(--muted);
  margin: 0;
  max-width: 560px;
}

.feature-index {
  color: var(--muted);
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.dark-section {
  background: var(--night-soft);
  color: var(--paper);
}

.dark-section .section-intro p,
.dark-section .feature-row p {
  color: rgba(246, 242, 233, 0.64);
}

.dark-section .feature-list,
.dark-section .feature-row {
  border-color: var(--line-dark);
}

.dark-section .section-number,
.dark-section .feature-index {
  color: var(--ice);
}

.closing {
  align-items: end;
  display: flex;
  gap: 48px;
  justify-content: space-between;
}

.closing p {
  color: var(--muted);
  margin: 20px 0 0;
  max-width: 480px;
}

.site-footer {
  background: var(--night);
  color: var(--paper);
  padding: 30px 28px 42px;
}

.footer-inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
}

.footer-meta {
  color: rgba(246, 242, 233, 0.48);
  font-size: 12px;
}

.page-main {
  min-height: calc(100vh - 130px);
}

.page-hero {
  background: var(--night);
  color: var(--paper);
  padding: 78px 28px 92px;
}

.page-hero-inner,
.legal-content {
  margin: 0 auto;
  max-width: 800px;
}

.page-hero h1 {
  font-size: clamp(52px, 8vw, 92px);
  font-weight: 620;
  letter-spacing: -0.08em;
  line-height: 0.94;
  margin: 0;
}

.page-hero p {
  color: rgba(246, 242, 233, 0.68);
  font-size: 18px;
  margin: 28px 0 0;
  max-width: 600px;
}

.legal-content {
  padding: 84px 28px 124px;
}

.legal-content section + section {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding-top: 48px;
}

.legal-content h2 {
  font-size: 28px;
  letter-spacing: -0.045em;
  line-height: 1.1;
  margin: 0 0 18px;
}

.legal-content h3 {
  font-size: 19px;
  letter-spacing: -0.025em;
  margin: 32px 0 8px;
}

.legal-content p,
.legal-content li {
  color: #4d5665;
  max-width: 720px;
}

.legal-content ul {
  padding-left: 20px;
}

.legal-content a {
  color: #19577d;
  text-underline-offset: 3px;
}

.contact-block {
  background: var(--night-soft);
  border-radius: var(--radius);
  color: var(--paper);
  margin-top: 36px;
  padding: 30px;
}

.contact-block p {
  color: rgba(246, 242, 233, 0.7);
  margin: 0;
}

.contact-block a {
  color: var(--saffron);
  font-weight: 700;
}

.back-link {
  display: inline-block;
  font-size: 14px;
  margin-top: 46px;
}

:focus-visible {
  outline: 3px solid var(--saffron);
  outline-offset: 4px;
}

@media (max-width: 820px) {
  .site-header {
    padding: 22px 20px 14px;
  }

  .site-nav {
    gap: 16px;
  }

  .hero-inner {
    gap: 54px;
    grid-template-columns: 1fr;
    padding: 76px 20px 86px;
  }

  .hero {
    min-height: 0;
  }

  .hero-visual {
    margin: 0 -8px;
  }

  .hero-visual::before {
    height: 340px;
    left: 20%;
    top: -10%;
    width: 340px;
  }

  .section {
    padding: 86px 20px;
  }

  .section-intro {
    gap: 26px;
    grid-template-columns: 1fr;
  }

  .feature-list {
    margin-top: 62px;
  }

  .feature-row {
    gap: 16px;
    grid-template-columns: 1fr;
  }

  .closing {
    align-items: start;
    flex-direction: column;
    gap: 28px;
  }

  .footer-inner {
    align-items: start;
    flex-direction: column;
    gap: 16px;
  }

  .page-hero {
    padding: 62px 20px 74px;
  }

  .legal-content {
    padding: 66px 20px 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}