:root {
  --cream: #FAF5EE;
  --charcoal: #3A3A3A;
  --coral: #F26B4A;
  --coral-dark: #D9563A;
  --coral-soft: rgba(242, 107, 74, 0.10);
  --muted: #8A8478;
  --card: #FFFFFF;
  --border: rgba(58, 58, 58, 0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--charcoal);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
/* warm radial glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(700px 420px at 50% 12%, var(--coral-soft), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
a { color: var(--coral); }

/* ---------- header ---------- */
.site-header {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--charcoal);
}
.brand img { width: 36px; height: 36px; border-radius: 10px; display: block; }
.brand span { font-weight: 700; letter-spacing: 0.28em; text-indent: 0.28em; font-size: 14px; }
.nav { display: flex; gap: 28px; }
.nav a {
  color: var(--charcoal);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  opacity: 0.75;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.nav a:hover, .nav a.active { opacity: 1; color: var(--coral-dark); }

/* ---------- layout ---------- */
.wrap { position: relative; z-index: 1; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.hero { text-align: center; padding: 72px 24px 56px; max-width: 760px; margin: 0 auto; }
.hero .mark { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 28px; display: block; box-shadow: 0 8px 28px rgba(242, 107, 74, 0.18); }
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.32em; text-indent: 0.32em;
  text-transform: uppercase; color: var(--coral); margin-bottom: 20px;
}
.hero h1 {
  font-size: 46px; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 18px;
}
.hero h1 .accent { color: var(--coral); }
.lede { font-size: 18px; color: var(--muted); max-width: 620px; margin: 0 auto 32px; line-height: 1.65; }

.btn {
  display: inline-block; background: var(--coral); color: #fff;
  font-size: 16px; font-weight: 600; text-decoration: none;
  padding: 14px 32px; border-radius: 999px;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); background: var(--coral-dark); }
.btn-ghost {
  display: inline-block; background: transparent; color: var(--charcoal);
  font-size: 16px; font-weight: 600; text-decoration: none;
  padding: 13px 30px; border-radius: 999px; border: 1.5px solid var(--border);
  margin-left: 12px; transition: border-color 0.15s ease, transform 0.15s ease;
}
.btn-ghost:hover { border-color: var(--coral); transform: translateY(-1px); }
.cta-row { margin-top: 8px; }
.meta-line { margin-top: 22px; font-size: 13px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- sections ---------- */
.section { padding: 56px 0; }
.section-title { font-size: 30px; font-weight: 800; letter-spacing: -0.01em; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 auto 40px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid.two { grid-template-columns: repeat(2, 1fr); max-width: 800px; margin: 0 auto; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px 28px; box-shadow: 0 8px 28px rgba(58, 58, 58, 0.05);
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--muted); }
.card .icon { font-size: 30px; margin-bottom: 14px; display: block; }
.card .tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--coral); margin-bottom: 12px;
}

.product-card { text-align: left; }
.product-card .go { display: inline-block; margin-top: 16px; font-weight: 600; text-decoration: none; }
.product-card .go:hover { text-decoration: underline; }

/* principles band */
.band {
  background: var(--charcoal); color: var(--cream);
  border-radius: 28px; padding: 56px 48px; margin: 24px 0;
  text-align: center;
}
.band h2 { font-size: 28px; margin-bottom: 12px; }
.band h2 .accent { color: var(--coral); }
.band p { color: rgba(250, 245, 238, 0.72); max-width: 640px; margin: 0 auto 32px; font-size: 16px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: left; }
.principle h3 { font-size: 17px; margin-bottom: 8px; color: #fff; }
.principle h3 .dot { color: var(--coral); margin-right: 8px; }
.principle p { font-size: 14px; color: rgba(250, 245, 238, 0.65); margin: 0; }

/* FAQ */
.faq { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 22px 26px; margin-bottom: 14px;
}
.faq-item h3 { font-size: 17px; margin-bottom: 8px; }
.faq-item p { font-size: 15px; color: var(--muted); margin: 0; }

/* prose pages */
.prose { max-width: 720px; margin: 0 auto; padding: 48px 24px 72px; }
.prose h1 { font-size: 36px; margin-bottom: 8px; letter-spacing: -0.01em; }
.prose .updated { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.prose h2 { font-size: 21px; margin: 32px 0 10px; }
.prose p, .prose li { font-size: 16px; margin-bottom: 12px; color: var(--charcoal); }
.prose ul { padding-left: 22px; }
.prose p.muted, .prose li.muted { color: var(--muted); }
.promise {
  background: #fff; border-left: 4px solid var(--coral);
  padding: 18px 22px; border-radius: 8px; margin: 28px 0; font-size: 17px;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  margin-top: 40px; padding: 36px 24px 48px;
}
.footer-inner { max-width: 1080px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.24em; font-size: 13px; }
.footer-brand img { width: 28px; height: 28px; border-radius: 8px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--coral-dark); }
.footer-note { width: 100%; font-size: 12px; color: rgba(138, 132, 120, 0.7); margin-top: 8px; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .grid, .grid.two, .principles { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .hero { padding: 52px 20px 40px; }
  .nav { gap: 16px; flex-wrap: wrap; row-gap: 8px; }
  .nav a { font-size: 14px; }
  .band { padding: 40px 28px; }
  .btn-ghost { margin-left: 0; margin-top: 12px; }
  .site-header { padding: 16px 18px; flex-wrap: wrap; row-gap: 10px; }
  .brand span { letter-spacing: 0.2em; }
}

/* Learn section */
.article-wrap { max-width: 680px; margin: 0 auto; padding: 40px 24px 80px; position: relative; z-index: 1; }
.article-meta { font-size: 12px; font-weight: 700; letter-spacing: .22em; text-indent: .22em; color: var(--coral); margin-bottom: 16px; }
.article-wrap h1 { font-size: clamp(30px, 5vw, 44px); letter-spacing: -.02em; line-height: 1.12; margin-bottom: 28px; }
.article-body p { font-size: 17px; line-height: 1.75; color: var(--muted); margin-bottom: 20px; }
.article-body p strong { color: var(--charcoal); }
.article-body h2 { font-size: 22px; letter-spacing: -.01em; margin: 34px 0 12px; }
.takeaway { background: var(--charcoal); border-radius: 18px; padding: 28px 30px; margin: 36px 0; }
.takeaway .kicker { font-size: 11px; font-weight: 800; letter-spacing: .24em; text-indent: .24em; color: var(--coral); margin-bottom: 12px; }
.takeaway p { color: var(--cream); font-size: 18px; font-weight: 600; line-height: 1.5; margin: 0; }
.article-nav { display: flex; justify-content: space-between; gap: 12px; margin: 44px 0 36px; }
.article-nav a { flex: 1; border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; font-size: 14px; font-weight: 600; color: var(--charcoal); }
.article-nav a span { display: block; font-size: 11px; letter-spacing: .18em; color: var(--muted); margin-bottom: 6px; font-weight: 700; }
.article-nav a.next { text-align: right; }
.learn-cta { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 32px; text-align: center; box-shadow: 0 12px 40px rgba(58,58,58,.06); }
.learn-cta h3 { font-size: 22px; margin-bottom: 8px; }
.learn-cta p { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: 8px 0 32px; }
.chip { border: 1px solid var(--border); background: var(--card); border-radius: 999px; padding: 10px 20px; font-size: 14px; font-weight: 700; cursor: pointer; color: var(--muted); }
.chip.on { background: var(--charcoal); color: #fff; border-color: var(--charcoal); }
.learn-card { text-decoration: none; color: inherit; display: block; }
.learn-card h3 { font-size: 20px; margin: 12px 0 8px; letter-spacing: -.01em; }
.learn-card p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.card-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .2em; text-indent: .2em; color: var(--coral); }
.card-time { font-size: 12px; color: var(--muted); margin-left: 10px; }

/* Yuki demos — CSS-animated, classy and lightweight */
.yuki-demo{ text-align:center; margin:32px 0; padding:28px 20px; background:var(--card); border:1px solid var(--line); border-radius:20px; }
.yuki-demo img{ width:190px; border-radius:24px; box-shadow:0 12px 40px rgba(58,58,58,.10); animation:yuki-breathe 16s ease-in-out infinite; }
@keyframes yuki-breathe{
  0%{ transform:scale(1); } 25%{ transform:scale(1.08); }
  50%{ transform:scale(1.08); } 75%{ transform:scale(1); }
  100%{ transform:scale(1); }
}
.yuki-demo .yuki-phase{ font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--coral); min-height:1.7em; margin:14px 0 4px; }
.yuki-demo p{ margin:0 auto; max-width:34ch; }