:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --surface-subtle: #f0eee9;
  --primary: #1a4a5a;
  --primary-soft: #dce8ed;
  --primary-light: #2c6e85;
  --accent: #c44536;
  --accent-soft: #f5e6e3;
  --text: #1a1a1a;
  --text-soft: #6b6b6b;
  --text-muted: #9a9a9a;
  --border-subtle: rgba(26,74,90,0.08);
  --shadow-card: 0 8px 32px rgba(26,74,90,0.06), 0 2px 8px rgba(26,74,90,0.04);
  --shadow-float: 0 20px 60px rgba(26,74,90,0.08), 0 4px 16px rgba(26,74,90,0.04);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --ease-spring: cubic-bezier(0.32,0.72,0,1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* Header — airy, premium */
header {
  background: var(--primary);
  background-image: linear-gradient(135deg, var(--primary) 0%, #0f3460 40%, var(--primary) 70%, #2c6e85 100%);
  background-size: 300% 300%;
  animation: headerShimmer 12s ease-in-out infinite;
  padding: 4rem 1.5rem 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
@keyframes headerShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.08));
  pointer-events: none;
}
header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: .75rem;
  color: white;
  position: relative;
}
header p {
  font-size: 1.05rem;
  opacity: .75;
  max-width: 540px;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.6;
  position: relative;
}
.tg-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.5rem;
  background: #24A1DE;
  color: white;
  padding: .7rem 1.8rem;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  transition: all .35s var(--ease-spring);
  position: relative;
  box-shadow: 0 2px 8px rgba(36,161,222,0.3);
}
.tg-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 20px rgba(36,161,222,0.5);
  color: white;
}
.tg-btn--accent {
  background: linear-gradient(135deg,#e94560,#ff6b6b);
  box-shadow: 0 2px 8px rgba(233,69,96,0.3);
}
.tg-btn--accent:hover {
  box-shadow: 0 4px 20px rgba(233,69,96,0.5);
}
.header-btns {
  display: flex;
  gap: .6rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  position: relative;
}

/* Feature badges (WAA quick facts) */
.feature-badges {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--primary-soft);
  padding: .35rem .9rem;
  border-radius: 100px;
  font-size: .8rem;
  color: var(--primary);
  font-weight: 500;
  transition: all .3s var(--ease-spring);
  border: 1px solid transparent;
}
.feature-badge:hover {
  background: white;
  border-color: var(--primary-soft);
  box-shadow: 0 2px 12px rgba(26,74,90,0.08);
}

/* Navigation — floating pill */
nav {
  position: sticky;
  top: 1rem;
  z-index: 100;
  max-width: 900px;
  margin: -1.2rem auto 0;
  padding: 0 1rem;
}
nav .inner {
  display: flex;
  gap: .25rem;
  padding: .5rem .75rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(26,74,90,0.08), 0 1px 4px rgba(26,74,90,0.04);
  border: 1px solid rgba(255,255,255,0.5);
  overflow-x: auto;
  flex-wrap: nowrap;
  scrollbar-width: none;
}
nav .inner::-webkit-scrollbar { display: none; }
nav a {
  color: var(--text-soft);
  text-decoration: none;
  padding: .4rem 1rem;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all .35s var(--ease-spring);
}
nav a:hover, nav a.active {
  background: var(--primary);
  color: white;
}

/* Search */
.search-box {
  max-width: 560px;
  margin: 2rem auto;
  padding: 0 1rem;
}
.search-box input {
  width: 100%;
  padding: .9rem 1.5rem;
  border: none;
  border-radius: 100px;
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  background: var(--surface);
  box-shadow: var(--shadow-card);
  transition: box-shadow .35s var(--ease-spring);
}
.search-box input:focus {
  box-shadow: 0 12px 40px rgba(26,74,90,0.1), 0 4px 12px rgba(26,74,90,0.06);
}
.search-results { margin-top: .75rem; }

/* Main */
main {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}
section { display: none; }
section.active { display: block; }

/* Card — double-bezel architecture */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem 2.25rem;
  margin-bottom: 1.5rem;
  transition: box-shadow .4s var(--ease-spring);
}
.card:hover {
  box-shadow: var(--shadow-float);
}
.card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: .75rem;
  letter-spacing: -0.01em;
}
.card h3 {
  font-family: 'Outfit', sans-serif;
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.15rem;
}
.card h3 .zone-badge {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: 100px;
  margin-left: .5rem;
  vertical-align: middle;
}

/* Section titles */
.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: .25rem;
  letter-spacing: -0.02em;
}
.section-subtitle {
  color: var(--text-soft);
  margin-bottom: 1.75rem;
  font-size: .9rem;
  line-height: 1.6;
}

/* Hero cards */
.hero {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 768px) { .hero { grid-template-columns: 1fr; } }
.hero-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all .4s var(--ease-spring);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--primary-soft) 100%);
  opacity: 0;
  transition: opacity .4s var(--ease-spring);
  pointer-events: none;
}
.hero-card:hover {
  box-shadow: var(--shadow-float);
  transform: translateY(-2px);
}
.hero-card:hover::before { opacity: 1; }
.hero-card .icon {
  font-size: 2.25rem;
  margin-bottom: .65rem;
  display: block;
  position: relative;
}
.hero-card h3 {
  font-family: 'Outfit', sans-serif;
  color: var(--primary);
  margin-bottom: .5rem;
  font-size: 1.1rem;
  font-weight: 600;
  position: relative;
}
.hero-card p {
  color: var(--text-soft);
  font-size: .875rem;
  line-height: 1.55;
  position: relative;
}

/* Point cards — soft structuralism */
.point-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.point-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  transition: box-shadow .4s var(--ease-spring);
  border: 1px solid var(--border-subtle);
}
.point-card:hover {
  box-shadow: var(--shadow-float);
}
.point-card h3 {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
  font-size: 1.15rem;
  color: var(--primary);
}
.point-card .loc-badge {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .72rem;
  font-weight: 600;
  padding: .2rem .7rem;
  border-radius: 100px;
}
.point-card .meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .5rem;
  margin-bottom: 1rem;
  background: var(--surface-subtle);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: .88rem;
}
.point-card .meta strong { color: var(--primary); font-weight: 600; }
.point-card ul { padding-left: 1.2rem; margin-bottom: 1rem; }
.point-card ul li { margin-bottom: .3rem; font-size: .88rem; color: var(--text); }
.point-card .example {
  background: var(--primary-soft);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: .88rem;
  border-left: none;
}
.point-card .example strong { color: var(--primary); }
.point-card .why {
  margin-top: .5rem;
  font-size: .85rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Tables */
.protocol-table, .zone-table, .compl-table, .mistakes-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.protocol-table th, .zone-table th, .compl-table th, .mistakes-table th {
  background: var(--primary);
  color: white;
  padding: .85rem 1rem;
  text-align: left;
  font-weight: 500;
  font-size: .82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.protocol-table th:first-child, .zone-table th:first-child,
.compl-table th:first-child, .mistakes-table th:first-child {
  border-radius: var(--radius-sm) 0 0 0;
}
.protocol-table td, .zone-table td, .compl-table td, .mistakes-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}
.protocol-table tr:hover td, .zone-table tr:hover td,
.compl-table tr:hover td, .mistakes-table tr:hover td {
  background: var(--surface-subtle);
}
.protocol-table .condition { font-weight: 600; color: var(--primary); }

/* Zone number badge */
.zone-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: .82rem;
}

/* Safety grid */
.safety-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 768px) { .safety-grid { grid-template-columns: 1fr; } }
.safety-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  border: 1px solid var(--border-subtle);
}
.safety-card h3 { font-family: 'Outfit', sans-serif; color: var(--accent); margin-bottom: .8rem; font-size: 1rem; }
.safety-card ul { padding-left: 1.2rem; }
.safety-card ul li { margin-bottom: .5rem; font-size: .88rem; color: var(--text); }

/* Evidence grid */
.evidence-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 768px) { .evidence-grid { grid-template-columns: 1fr; } }
.evidence-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  transition: box-shadow .4s var(--ease-spring);
}
.evidence-card:hover { box-shadow: var(--shadow-float); }
.evidence-card .source {
  color: var(--accent);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.evidence-card h3 {
  font-family: 'Outfit', sans-serif;
  color: var(--primary);
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.evidence-card p { font-size: .88rem; margin-bottom: .5rem; line-height: 1.6; }
.evidence-card .conclusion {
  background: rgba(26,74,90,0.04);
  padding: .6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  color: var(--primary);
  border-left: 2px solid var(--primary);
}

/* Search results */
.result-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: .85rem 1.25rem;
  margin-bottom: .5rem;
  box-shadow: 0 2px 8px rgba(26,74,90,0.04);
  cursor: pointer;
  transition: all .3s var(--ease-spring);
}
.result-item:hover {
  background: var(--surface-subtle);
  transform: translateX(3px);
}
.result-item .result-title { font-weight: 600; color: var(--primary); }
.result-item .result-desc { font-size: .85rem; color: var(--text-soft); margin-top: .2rem; }
.result-item .result-type {
  display: inline-block;
  font-size: .68rem;
  padding: .15rem .55rem;
  border-radius: 100px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 500;
  margin-top: .3rem;
}
.no-results { text-align: center; padding: 3rem; color: var(--text-muted); }

/* Scroll-to-top button */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(26,74,90,0.25);
  opacity: 0;
  transform: translateY(20px);
  transition: all .4s var(--ease-spring);
  z-index: 90;
  pointer-events: none;
  font-size: 1.3rem;
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover {
  background: var(--primary-light);
  box-shadow: 0 6px 24px rgba(26,74,90,0.35);
  transform: translateY(-2px);
}

/* Non-pain protocols */
.nl { padding-left: 0; list-style: none; }
.nl li {
  margin-bottom: .9rem;
  font-size: .88rem;
  list-style: none;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: box-shadow .35s var(--ease-spring);
  border: 1px solid var(--border-subtle);
}
.nl li:hover { box-shadow: var(--shadow-float); }
.nl li strong { color: var(--primary); font-weight: 600; }
.nl li .pts { color: var(--accent); font-weight: 600; }
.nl li .dets { display: block; color: var(--text-soft); margin-top: .35rem; font-size: .84rem; }

/* Tab buttons — pill style */
.tab-bar {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.tab-btn {
  padding: .55rem 1.5rem;
  border: none;
  border-radius: 100px;
  background: var(--surface);
  color: var(--text-soft);
  cursor: pointer;
  font-size: .88rem;
  font-family: inherit;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(26,74,90,0.04);
  transition: all .35s var(--ease-spring);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 16px rgba(26,74,90,0.15);
}

/* Key principles */
.principles {
  display: grid;
  gap: .85rem;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.principle {
  background: var(--surface-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  transition: all .35s var(--ease-spring);
}
.principle:hover {
  background: var(--primary-soft);
  transform: translateY(-1px);
}
.principle .val {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary);
}
.principle .label {
  font-size: .8rem;
  color: var(--text-soft);
  margin-top: .3rem;
  font-weight: 500;
}

/* Error alert */
.error {
  background: var(--accent-soft);
  border: none;
  color: var(--accent);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1rem 0;
  font-size: .9rem;
}

/* Footer */
footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 3rem 1.5rem 2.5rem;
  margin-top: 4rem;
  font-size: .82rem;
  opacity: .9;
  line-height: 1.7;
}
footer a {
  color: white;
  opacity: .75;
  text-decoration: none;
  transition: opacity .3s var(--ease-spring);
}
footer a:hover { opacity: 1; }

/* Animation — fade-up on load */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.card, .hero-card, .point-card, .safety-card, .evidence-card {
  animation: fadeUp .6s var(--ease-spring) both;
}
.card:nth-child(2) { animation-delay: .08s; }
.card:nth-child(3) { animation-delay: .16s; }

/* Section entrance animation */
@keyframes sectionEnter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
section.active {
  animation: sectionEnter .45s var(--ease-spring) both;
}

/* Staggered point card reveal */
.point-card { animation: fadeUp .5s var(--ease-spring) both; }
.point-card:nth-child(1) { animation-delay: .05s; }
.point-card:nth-child(2) { animation-delay: .1s; }
.point-card:nth-child(3) { animation-delay: .15s; }
.point-card:nth-child(4) { animation-delay: .2s; }
.point-card:nth-child(5) { animation-delay: .25s; }
.point-card:nth-child(6) { animation-delay: .3s; }

/* Staggered evidence card reveal */
.evidence-card:nth-child(1) { animation-delay: .05s; }
.evidence-card:nth-child(2) { animation-delay: .1s; }
.evidence-card:nth-child(3) { animation-delay: .15s; }

/* Staggered hero card reveal */
.hero-card:nth-child(1) { animation-delay: .05s; }
.hero-card:nth-child(2) { animation-delay: .1s; }
.hero-card:nth-child(3) { animation-delay: .15s; }
.hero-card:nth-child(4) { animation-delay: .2s; }

/* Staggered non-pain list item reveal */
.nl li { animation: fadeUp .5s var(--ease-spring) both; }
.nl li:nth-child(1) { animation-delay: .05s; }
.nl li:nth-child(2) { animation-delay: .1s; }
.nl li:nth-child(3) { animation-delay: .15s; }
.nl li:nth-child(4) { animation-delay: .2s; }
.nl li:nth-child(5) { animation-delay: .25s; }
.nl li:nth-child(6) { animation-delay: .3s; }

/* Tab switch — smooth point grid refresh */
@keyframes tabReveal {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}
#pointsContainer.tab-switch {
  animation: tabReveal .35s var(--ease-spring) both;
}