@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-violet: #998eff;
  --color-obsidian: #221d1d;
  --color-inkwell: #0f0f10;
  --color-iron: #636161;
  --color-graphite: #858387;
  --color-ash: #bcbbbb;
  --color-bone: #f6f7f4;
  --color-paper: #ffffff;
  --color-lavender: #ece6ff;

  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --page-max-width: 1200px;
  --shadow-lg: rgba(0,0,0,0.05) 0px 6px 20px 0px, rgba(0,0,0,0.06) 0px 0px 0px 1px;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  color: var(--color-obsidian);
  background: var(--color-paper);
  margin: 0;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* Header */
.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}
.masthead-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brand { font-weight: 500; font-size: 17px; color: var(--color-obsidian); }
.primary-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.primary-nav a.link {
  font-size: 14px;
  font-weight: 450;
  color: var(--color-obsidian);
  padding: 8px 12px;
  border-radius: 8px;
}
.primary-nav a.link:hover { background: var(--color-bone); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 1584px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 500;
}
.pill-dark { background: var(--color-inkwell); color: var(--color-paper); }
.pill-violet { background: var(--color-violet); color: var(--color-paper); }
.pill-white { background: var(--color-paper); color: var(--color-obsidian); }
.pill-ghost-dark { background: transparent; color: var(--color-obsidian); border: 1px solid var(--color-obsidian); }
.pill-ghost-light { background: transparent; color: var(--color-paper); border: 1px solid var(--color-paper); }
.pill-outline-violet { background: transparent; color: var(--color-violet); border: 1px solid var(--color-violet); }

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

/* Hero: lavender wash */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-lavender) 100%);
  padding: 72px 0 0;
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bone);
  color: var(--color-obsidian);
  font-size: 14px;
  font-weight: 450;
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 24px;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-violet); }
.hero h1 {
  font-weight: 500;
  font-size: 64px;
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin: 0 auto 20px;
  max-width: 780px;
  color: var(--color-obsidian);
}
@media (max-width: 700px) { .hero h1 { font-size: 38px; } }
.hero p.subhead {
  font-size: 18px;
  color: var(--color-iron);
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* Fanned photo cluster */
.photo-cluster {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: -30px;
  padding: 56px 0 0;
}
.photo-card {
  width: 230px;
  aspect-ratio: 4/5;
  background: var(--color-paper);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: 0 -18px;
}
.photo-card img { width: 100%; height: 100%; object-fit: cover; }
.photo-card.tilt-left { transform: rotate(-6deg) translateY(24px); }
.photo-card.tilt-right { transform: rotate(6deg) translateY(24px); }
.photo-card.tilt-center { transform: scale(1.08); z-index: 2; }

/* Dark band */
.band-dark { background: var(--color-inkwell); padding: 88px 0; text-align: center; }
.band-dark .badge { background: rgba(255,255,255,0.08); color: var(--color-paper); }
.band-dark h2 {
  font-weight: 500;
  font-size: 40px;
  letter-spacing: -0.03em;
  color: var(--color-paper);
  margin: 0 auto 16px;
  max-width: 640px;
}
.band-dark p.subhead { font-size: 18px; color: var(--color-ash); max-width: 520px; margin: 0 auto 32px; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; text-align: left; }
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr; } }
.feature-card { background: var(--color-obsidian); border-radius: 20px; padding: 24px; }
.feature-card .cat { font-size: 14px; font-weight: 500; color: var(--color-violet); margin: 0 0 12px; }
.feature-card h3 { font-size: 20px; font-weight: 500; color: var(--color-paper); margin: 0 0 10px; }
.feature-card p { font-size: 14px; color: var(--color-ash); margin: 0 0 16px; line-height: 1.55; }
.feature-card a.more { font-size: 13px; color: var(--color-violet); border-bottom: 1px solid rgba(153,142,255,0.4); }

/* Stats band, light */
.band-light { padding: 88px 0; text-align: center; }
.stat-row { display: flex; justify-content: center; gap: 64px; flex-wrap: wrap; margin-top: 48px; }
.stat { text-align: center; }
.stat .num { font-size: 56px; font-weight: 500; letter-spacing: -0.03em; color: var(--color-obsidian); }
.stat .label { font-size: 14px; font-weight: 500; color: var(--color-violet); margin-top: 6px; }

/* FAQ */
.faq-item { border-top: 1px solid var(--color-ash); padding: 24px 0; text-align: left; max-width: 720px; margin: 0 auto; }
.faq-item:last-child { border-bottom: 1px solid var(--color-ash); }
.faq-item h3 { font-size: 17px; font-weight: 500; margin: 0 0 8px; color: var(--color-obsidian); }
.faq-item p { font-size: 15px; color: var(--color-iron); margin: 0; line-height: 1.55; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-ash);
  padding: 28px 24px;
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a, .copyright { font-size: 13px; color: var(--color-iron); }

/* Articles */
.breadcrumb { font-size: 13px; color: var(--color-graphite); padding: 20px 0 0; }
.breadcrumb a { color: var(--color-graphite); }
.breadcrumb a:hover { color: var(--color-obsidian); }
.article-hero { padding: 32px 0 40px; }
.article-hero h1 {
  font-weight: 500;
  font-size: 48px;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--color-obsidian);
  margin: 20px 0 16px;
  max-width: 780px;
}
@media (max-width: 700px) { .article-hero h1 { font-size: 32px; } }
.article-hero .dek { font-size: 18px; color: var(--color-iron); max-width: 620px; margin: 0; }
.article-photo { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); margin: 24px 0; }
.article-photo img { width: 100%; }
.article-photo figcaption { font-size: 13px; color: var(--color-graphite); padding: 12px 16px; }
.article { max-width: 740px; margin: 0 auto; padding-bottom: 80px; }
.article h2 { font-weight: 500; font-size: 26px; letter-spacing: -0.02em; color: var(--color-obsidian); margin: 40px 0 16px; }
.article p { font-size: 16px; line-height: 1.65; color: var(--color-obsidian); margin: 0 0 16px; }
.article ul, .article ol { margin: 0 0 16px; padding-left: 22px; }
.article li { font-size: 16px; line-height: 1.65; color: var(--color-obsidian); margin-bottom: 8px; }
.article a { color: var(--color-violet); text-decoration: underline; text-underline-offset: 2px; }
.article a:hover { color: var(--color-obsidian); }
.article .note {
  background: var(--color-bone);
  border-radius: 20px;
  padding: 20px 24px;
  font-size: 15px;
  color: var(--color-iron);
  margin: 24px 0;
}
.exercise-table { border-radius: 20px; box-shadow: var(--shadow-lg); overflow: hidden; margin: 24px 0; }
.exercise-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--color-bone);
  font-size: 15px;
}
.exercise-row:first-child { border-top: none; }
.exercise-name { font-weight: 500; color: var(--color-obsidian); }
.exercise-detail { color: var(--color-iron); font-size: 14px; }

.program-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .program-grid { grid-template-columns: 1fr; } }
.program-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-paper);
}
.program-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.program-card-body { padding: 20px; }
.program-card .cat { font-size: 13px; font-weight: 500; color: var(--color-violet); margin: 0 0 8px; }
.program-card h3 { font-size: 19px; font-weight: 500; color: var(--color-obsidian); margin: 0 0 8px; }
.program-card p { font-size: 14px; color: var(--color-iron); margin: 0; line-height: 1.5; }

/* Header dropdown */
.dropdown { position: relative; }
.dropdown summary {
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 450;
  color: var(--color-obsidian);
  padding: 8px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dropdown summary::-webkit-details-marker { display: none; }
.dropdown summary::after {
  content: "";
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.15s ease;
}
.dropdown[open] summary::after { transform: rotate(-135deg) translateY(2px); }
.dropdown summary:hover, .dropdown[open] summary { background: var(--color-bone); }
.dropdown-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--color-paper);
  border-radius: 20px;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 30;
}
.dropdown-panel a { display: block; padding: 9px 12px; border-radius: 12px; font-size: 14px; color: var(--color-obsidian); }
.dropdown-panel a:hover { background: var(--color-bone); }

.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 700px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-card { border-radius: 20px; box-shadow: var(--shadow-lg); padding: 24px; background: var(--color-paper); }
.guide-card .cat { font-size: 13px; font-weight: 500; color: var(--color-violet); margin: 0 0 8px; }
.guide-card h3 { font-size: 19px; font-weight: 500; color: var(--color-obsidian); margin: 0 0 8px; }
.guide-card p { font-size: 14px; color: var(--color-iron); margin: 0; line-height: 1.55; }