:root {
  --bg: #faf7f2;
  --bg-alt: #f2ece1;
  --ink: #2b2620;
  --muted: #6b6259;
  --accent: #7c9473;
  --accent-dark: #5f7757;
  --stone: #e4dccd;
  --stone-shadow: #e9e2d6;
  --border: #e6dfd2;
  --radius: 16px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; }
h3 { font-size: 1.15rem; }

p { color: var(--muted); margin: 0 0 1em; }

a { color: inherit; }

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--ink);
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:hover { color: var(--accent-dark); }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 999px;
}

.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
}

/* Hero */

.hero { padding: 64px 0 32px; }

.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-text { flex: 1.1; }

.hero-art { flex: 0.9; display: flex; justify-content: center; }

.stone-illustration { width: 100%; max-width: 320px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 12px;
}

.lede { font-size: 1.1rem; max-width: 46ch; }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: var(--accent); }

.btn-large { padding: 16px 32px; font-size: 1.05rem; }

/* Sections */

.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }

.section-lede {
  text-align: center;
  max-width: 62ch;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
}

.card-icon {
  font-size: 1.8rem;
  display: inline-block;
  margin-bottom: 12px;
}

.card p { margin-bottom: 0; }

/* Steps */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.step {
  text-align: center;
  padding: 8px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
}

.step p { margin-bottom: 0; max-width: 32ch; margin-inline: auto; }

/* Rules */

.rules-list {
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.rules-list li {
  position: relative;
  padding: 14px 0 14px 32px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.rules-list li:last-child { border-bottom: none; }

.rules-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

/* Instagram section */

.section-instagram {
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  border-top: 1px solid var(--border);
}

.instagram-inner { text-align: center; }

.instagram-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.hashtag {
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: 0.02em;
  margin: 0;
}

.coming-soon {
  font-size: 0.95rem;
  color: var(--muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
}

.footer-muted { font-weight: 400; }

/* Responsive */

@media (max-width: 820px) {
  .hero-inner { flex-direction: column-reverse; text-align: center; }
  .hero-actions { justify-content: center; }
  .lede { max-width: none; }
}

@media (max-width: 720px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
}