*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface2: #181818;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);
  --text: #f0ede6;
  --text-muted: rgba(240,237,230,0.5);
  --text-faint: rgba(240,237,230,0.25);
  --accent: #e8d5a3;
  --accent-dim: rgba(232,213,163,0.12);
  --accent-dim2: rgba(232,213,163,0.06);
  --tag-focus-bg: rgba(150,120,255,0.12);
  --tag-focus: #b8a4ff;
  --tag-sleep-bg: rgba(100,180,255,0.10);
  --tag-sleep: #8ec8f8;
  --tag-home-bg: rgba(100,200,140,0.10);
  --tag-home: #85d4a0;
  --tag-anxiety-bg: rgba(255,180,80,0.10);
  --tag-anxiety: #f5c06a;
  --tag-body-bg: rgba(255,120,100,0.10);
  --tag-body: #f4917e;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
  z-index: 0;
}

/* NAV */
nav {
  position: relative;
  z-index: 10;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 860px;
  margin: 0 auto;
}

.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo span { color: var(--accent); }

.nav-back {
  font-size: 12px;
  color: var(--text-faint);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.nav-back:hover { color: var(--text-muted); }

/* HOMEPAGE HEADER */
header {
  position: relative;
  z-index: 10;
  padding: 3.5rem 2rem 2.5rem;
  max-width: 860px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.site-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
  opacity: 0.6;
}

h1.site-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

h1.site-title em { font-style: italic; color: var(--accent); }

.tagline {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* SEARCH */
.search-container { position: relative; max-width: 520px; }

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}

.search-icon svg { display: block; width: 16px; height: 16px; }

#searchInput {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px 14px 44px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 300;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

#searchInput::placeholder { color: var(--text-faint); }
#searchInput:focus { border-color: var(--border-hover); }

/* FILTER PILLS */
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 1.5rem 2rem 0;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.pill {
  font-size: 12px;
  font-weight: 400;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.01em;
}

.pill:hover { border-color: var(--border-hover); color: var(--text); }
.pill.active { background: var(--accent-dim); border-color: rgba(232,213,163,0.3); color: var(--accent); }

/* CARDS GRID */
.cards-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem;
  position: relative;
  z-index: 10;
}

.results-count {
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232,213,163,0.0), transparent);
  transition: background 0.3s;
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--surface2);
  transform: translateY(-1px);
}

.card:hover::after {
  background: linear-gradient(90deg, transparent, rgba(232,213,163,0.25), transparent);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.card-tag {
  font-size: 10px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  display: inline-block;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.tag-focus { background: var(--tag-focus-bg); color: var(--tag-focus); }
.tag-sleep { background: var(--tag-sleep-bg); color: var(--tag-sleep); }
.tag-home { background: var(--tag-home-bg); color: var(--tag-home); }
.tag-anxiety { background: var(--tag-anxiety-bg); color: var(--tag-anxiety); }
.tag-body { background: var(--tag-body-bg); color: var(--tag-body); }

.card-arrow {
  color: var(--text-faint);
  flex-shrink: 0;
  margin-top: 1px;
  transition: color 0.2s, transform 0.2s;
}

.card:hover .card-arrow { color: var(--accent); transform: translateX(2px); }

.card-question {
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.card-hint { font-size: 11px; color: var(--text-faint); letter-spacing: 0.02em; }

.no-results {
  display: none;
  grid-column: 1/-1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-faint);
  font-size: 14px;
  line-height: 1.7;
}

.no-results span { display: block; font-size: 28px; margin-bottom: 0.75rem; opacity: 0.4; }

/* ANSWER PAGE */
.answer-header {
  position: relative;
  z-index: 10;
  padding: 3rem 2rem 2rem;
  max-width: 680px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.answer-header .card-tag { margin-bottom: 1rem; display: inline-block; }

h1.answer-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.answer-meta {
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

.answer-body {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 2rem 1.5rem;
  position: relative;
  z-index: 10;
}

.answer-body p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 1.25rem;
}

.answer-body p strong { color: var(--text); font-weight: 500; }

.answer-body h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.answer-body ul {
  list-style: none;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.answer-body ul li {
  font-size: 15px;
  color: var(--text-muted);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.6;
}

.answer-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  opacity: 0.5;
}

.buy-box {
  background: var(--surface);
  border: 1px solid rgba(232,213,163,0.15);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.buy-box-text { font-size: 14px; color: var(--text-muted); line-height: 1.5; }
.buy-box-text strong { display: block; font-size: 16px; color: var(--text); font-weight: 500; margin-bottom: 2px; }

.buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(232,213,163,0.25);
  background: var(--accent-dim2);
  color: var(--accent);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.buy-btn:hover { background: var(--accent-dim); border-color: rgba(232,213,163,0.4); }
.buy-btn svg { width: 12px; height: 12px; flex-shrink: 0; }

.related-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 2rem 3rem;
  position: relative;
  z-index: 10;
}

.related-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.related-grid { display: flex; flex-direction: column; gap: 8px; }

.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color 0.2s, background 0.2s;
}

.related-card:hover { border-color: var(--border-hover); background: var(--surface2); }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  font-size: 11px;
  color: var(--text-faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 10;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  header, .answer-header { padding: 2.5rem 1.25rem 2rem; }
  .filters { padding: 1.25rem 1.25rem 0; }
  .cards-section { padding: 1.25rem 1.25rem 3rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .answer-body, .related-section { padding-left: 1.25rem; padding-right: 1.25rem; }
  footer { padding: 1.25rem; flex-direction: column; align-items: flex-start; }
  nav { padding: 1rem 1.25rem; }
  .buy-box { flex-direction: column; align-items: flex-start; }
}