:root {
  color-scheme: light dark;
  --ink: #173121;
  --ink-soft: #45544a;
  --brand: #183724;
  --brand-2: #426044;
  --sage: #899a7d;
  --sage-soft: #dfe7da;
  --paper: #f8faf6;
  --surface: #ffffff;
  --line: #dce4d8;
  --shadow: 0 22px 70px rgba(24, 55, 36, .09);
  --radius-lg: 32px;
  --radius-md: 20px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -.025em;
}

.brand img { width: 36px; height: 36px; }

.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 650; }
.nav-links a:hover { color: var(--ink); }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(40px, 8vw, 112px);
  padding-block: 96px 112px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--sage); }

h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 720px; margin-bottom: 26px; font-size: clamp(54px, 8vw, 92px); font-weight: 790; }
h2 { margin-bottom: 18px; font-size: clamp(36px, 5vw, 58px); }
h3 { margin-bottom: 12px; font-size: 23px; }

.lede { max-width: 630px; margin: 0 0 34px; color: var(--ink-soft); font-size: clamp(19px, 2vw, 23px); line-height: 1.55; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 750;
}

.button.secondary { background: transparent; color: var(--brand); }

.status { color: var(--ink-soft); font-size: 14px; font-weight: 650; }

.hero-visual {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
}

.mark-card {
  position: relative;
  width: min(390px, 86vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(24, 55, 36, .07);
  border-radius: 28%;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.mark-card img { width: 72%; height: 72%; }

.section { padding-block: 104px; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading p { margin: 0; color: var(--ink-soft); font-size: 19px; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.feature {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.feature-number { margin-bottom: 54px; color: var(--sage); font-size: 14px; font-weight: 800; letter-spacing: .12em; }
.feature p { margin: 0; color: var(--ink-soft); }

.routine-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: clamp(36px, 7vw, 82px);
  border-radius: var(--radius-lg);
  background: var(--brand);
  color: #f7faf5;
  overflow: hidden;
}

.routine-panel p { color: #c9d5c9; }
.routine-list { margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.routine-list li { counter-increment: steps; display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; padding-block: 18px; border-bottom: 1px solid rgba(255,255,255,.13); }
.routine-list li::before { content: counter(steps, decimal-leading-zero); color: #9fb39e; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.routine-list strong { display: block; margin-bottom: 4px; }
.routine-list span { color: #c9d5c9; font-size: 15px; }

.release {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  padding: 72px 0 24px;
}

.release p { max-width: 600px; margin: 0; color: var(--ink-soft); }
.play-badge { flex: 0 0 auto; padding: 12px 18px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink-soft); font-size: 14px; font-weight: 750; }

.site-footer { margin-top: 80px; padding-block: 36px 52px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { font-weight: 650; }
.legal-line { margin: 18px 0 0; max-width: 760px; }

.policy { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 84px 0 120px; }
.policy h1 { font-size: clamp(44px, 7vw, 72px); }
.policy h2 { margin-top: 46px; font-size: 28px; }
.policy p, .policy li { color: var(--ink-soft); }
.policy .meta { margin-top: -8px; margin-bottom: 42px; color: var(--sage); font-weight: 700; }
.back-link { display: inline-flex; margin-bottom: 46px; color: var(--brand-2); font-weight: 750; text-decoration: none; }
.policy-note { margin-top: 54px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); font-size: 15px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-block: 76px 90px; }
  .hero-visual { min-height: 390px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .routine-panel { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav-links a:first-child { display: none; }
  .hero { min-height: auto; padding-top: 58px; }
  h1 { font-size: clamp(48px, 16vw, 70px); }
  .hero-visual { min-height: 330px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: 230px; }
  .feature-number { margin-bottom: 32px; }
  .release { align-items: start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4f7f2;
    --ink-soft: #bdc8bd;
    --brand: #eef4eb;
    --brand-2: #cad9c7;
    --sage: #93a68d;
    --sage-soft: #26362a;
    --paper: #0e1510;
    --surface: #151e17;
    --line: #2c392f;
    --shadow: 0 24px 80px rgba(0, 0, 0, .34);
  }
  .button { background: #eaf0e7; border-color: #eaf0e7; color: #173121; }
  .button.secondary { background: transparent; color: var(--ink); }
  .routine-panel { background: #18271d; border: 1px solid #304536; }
}
