:root {
  color-scheme: light;
  --ink: #241405;
  --ink-soft: #563111;
  --paper: #f7e5bc;
  --paper-light: #fff3d1;
  --paper-deep: #c8ad79;
  --paper-panel: #fae8c7;
  --paper-raised: #fff8e8;
  --wood: #7a4f19;
  --wood-dark: #3a210c;
  --line: #9b7338;
  --muted: #e2d1a3;
  --shadow: 0 18px 50px rgba(42, 24, 7, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 8%, rgba(255, 248, 232, 0.72), transparent 34%),
    linear-gradient(180deg, var(--paper-light), #ead5a7 58%, #d2b983);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: clamp(14px, 3vw, 36px);
  right: clamp(14px, 3vw, 36px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px 10px 18px;
  color: var(--ink);
  border: 1px solid rgba(122, 79, 25, 0.34);
  border-radius: 8px;
  background: rgba(250, 232, 199, 0.88);
  box-shadow: 0 8px 24px rgba(58, 33, 12, 0.14);
  backdrop-filter: blur(12px);
}

.brand {
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.nav a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink-soft);
}

.nav a:hover {
  background: rgba(122, 79, 25, 0.12);
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.button {
  background: var(--wood);
  color: #fff5d8;
  box-shadow: 0 8px 18px rgba(58, 33, 12, 0.2);
}

.button-secondary {
  color: var(--ink);
  border-color: rgba(122, 79, 25, 0.44);
  background: rgba(226, 209, 163, 0.7);
}

.hero {
  min-height: 94vh;
  display: grid;
  align-items: center;
  padding: 128px clamp(20px, 5vw, 72px) 70px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255, 243, 209, 0.98) 0%, rgba(255, 243, 209, 0.92) 43%, rgba(255, 243, 209, 0.38) 100%),
    radial-gradient(circle at 78% 44%, rgba(196, 166, 113, 0.14), transparent 35%),
    url("/assets/volvelle_hero.png") right center / min(82vw, 940px) auto no-repeat,
    linear-gradient(135deg, #fff8e8, #ead5a7);
}

.hero-content {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--wood);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 88px);
}

.hero p {
  max-width: 680px;
  margin: 18px 0 0;
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.section {
  padding: clamp(48px, 7vw, 88px) clamp(20px, 5vw, 72px);
}

.section.alt {
  background: rgba(241, 222, 179, 0.78);
}

.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section h2 {
  max-width: 800px;
  margin: 0 0 18px;
  font-size: clamp(30px, 4vw, 52px);
}

.section-lead {
  max-width: 800px;
  margin: 0 0 30px;
  font-size: 18px;
  color: var(--ink-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  padding: 22px;
  border: 1px solid rgba(122, 79, 25, 0.28);
  border-radius: 8px;
  background: rgba(255, 248, 232, 0.78);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.feature p {
  margin: 0;
  color: var(--ink-soft);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: start;
}

.paper-panel {
  padding: 22px;
  border-radius: 8px;
  border: 1px solid rgba(122, 79, 25, 0.34);
  background: var(--paper-panel);
}

.steps {
  margin: 0;
  padding-left: 22px;
}

.steps li {
  margin-bottom: 12px;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.keyword-list li {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(122, 79, 25, 0.13);
  color: var(--ink-soft);
  font-weight: 700;
  font-size: 14px;
}

.page-hero {
  padding: 132px clamp(20px, 5vw, 72px) 54px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(255, 243, 209, 0.98), rgba(255, 243, 209, 0.58)),
    url("/assets/volvelle_hero.png") right center / cover no-repeat;
}

.page-hero h1 {
  max-width: 960px;
  font-size: clamp(38px, 6vw, 72px);
}

.page-hero p {
  max-width: 780px;
  margin: 18px 0 0;
  font-size: 20px;
}

.article {
  max-width: 880px;
  margin: 0 auto;
}

.article h2 {
  margin-top: 34px;
}

.article p,
.article li {
  color: var(--ink-soft);
  font-size: 18px;
}

.cta-band {
  background: var(--wood);
  color: #fff4d4;
  padding: 48px clamp(20px, 5vw, 72px);
}

.cta-band .section-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.site-footer {
  padding: 30px clamp(20px, 5vw, 72px);
  background: #3a210c;
  color: #f8e9c0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 760px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    left: 12px;
    right: 12px;
  }

  .nav {
    gap: 10px;
    font-size: 13px;
  }

  .nav .optional {
    display: none;
  }

  .hero {
    min-height: 92vh;
    padding-top: 118px;
    background:
      linear-gradient(180deg, rgba(255, 243, 209, 0.98) 0%, rgba(255, 243, 209, 0.88) 58%, rgba(255, 243, 209, 0.42) 100%),
      url("/assets/volvelle_hero.png") center top / 128vw auto no-repeat,
      linear-gradient(135deg, #fff8e8, #ead5a7);
  }

  .grid,
  .split {
    grid-template-columns: 1fr;
  }

  .cta-band .section-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}