/* ============================================================
   OncoVina — Design System v2.0
   Palette: Trust Blue + Healing Green
   ============================================================ */

:root {
  /* Backgrounds */
  --color-bg: #f0f6ff;
  --color-surface: #ffffff;
  --color-border: #dde6f0;

  /* Text */
  --color-text-primary: #0D1B3E;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;

  /* Primary — Trust Blue */
  --color-primary: #1565C0;
  --color-primary-dark: #0D47A1;
  --color-primary-light: #E3F2FD;
  --color-primary-hover: #1976D2;

  /* Hope Blue — lighter accent */
  --color-hope: #0288D1;
  --color-hope-light: #E1F5FE;

  /* Healing Green */
  --color-accent-green: #2D7D46;
  --color-accent-green-light: #E8F5E9;
  --color-accent-green-dark: #1B5E30;

  /* Navy — hero, stats bar */
  --color-navy: #0D1B3E;
  --color-navy-light: #162550;

  /* Semantic */
  --color-accent-blue: #1565C0;
  --color-accent-teal: #0d9488;
  --color-accent-orange: #f59e0b;
  --color-accent-purple: #7c3aed;
  --color-accent-red: #dc2626;

  /* Badges */
  --color-badge-patient-bg: #E8F5E9;
  --color-badge-patient-text: #1B5E30;
  --color-badge-expert-bg: #E3F2FD;
  --color-badge-expert-text: #0D47A1;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(21,101,192,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(21,101,192,.10);
  --shadow-lg: 0 8px 32px rgba(21,101,192,.14);

  /* Layout */
  --nav-height: 64px;
  --max-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
h4 { font-size: 1rem; font-weight: 600; }
p  { color: var(--color-text-secondary); }

.text-green  { color: var(--color-accent-green); }
.text-blue   { color: var(--color-primary); }
.text-muted  { color: var(--color-text-muted); }
.text-small  { font-size: .875rem; }
.text-label  { font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-height);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.navbar .container {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.15rem;
  letter-spacing: -.3px;
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo .logo-onco,
.nav-logo .logo-vina { display: inline; }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-green) 100%);
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .95rem;
  flex-shrink: 0;
}
/* Variant C — gradient split text */
.logo-onco { color: var(--color-primary); }
.logo-vina { color: var(--color-accent-green); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .875rem; font-weight: 500;
  color: var(--color-text-secondary);
  transition: all .15s;
}
.nav-links a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.nav-links a.active {
  background: var(--color-primary);
  color: #fff;
}
.nav-search-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: var(--color-bg);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary);
  transition: background .15s;
}
.nav-search-btn:hover { background: var(--color-border); }

/* ============================================================
   BADGE / CHIP
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .78rem; font-weight: 600;
}
.badge-outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-surface);
}
.badge-patient { background: var(--color-badge-patient-bg); color: var(--color-badge-patient-text); }
.badge-expert  { background: var(--color-badge-expert-bg);  color: var(--color-badge-expert-text); }
.badge-tag {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: .78rem; font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
}

/* ============================================================
   BUTTON
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: .9rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: all .15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 2px 8px rgba(21,101,192,.25);
}
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: 0 4px 12px rgba(21,101,192,.35); }
.btn-green {
  background: var(--color-accent-green); color: #fff;
  box-shadow: 0 2px 8px rgba(45,125,70,.2);
}
.btn-green:hover { background: var(--color-accent-green-dark); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary-light); border-color: var(--color-primary); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Article Card */
.article-card { cursor: pointer; }
.article-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}
.article-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .3s;
}
.article-card:hover .article-card-img img { transform: scale(1.04); }
.article-card-badge {
  position: absolute; top: 12px; right: 12px;
}
.article-card-body { padding: 20px; }
.article-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.article-card-title {
  font-size: 1.05rem; font-weight: 600; line-height: 1.4;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-excerpt {
  font-size: .875rem;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.article-card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: var(--color-text-muted);
}
.article-card-author {
  display: flex; align-items: center; gap: 6px;
}
.article-card-author svg { opacity: .5; }
.article-card-time {
  display: flex; align-items: center; gap: 4px;
}

/* Stat Card */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.stat-card-icon { color: var(--color-text-muted); margin-bottom: 8px; }
.stat-card-value { font-size: 1.75rem; font-weight: 800; color: var(--color-text-primary); }
.stat-card-label { font-size: .85rem; color: var(--color-text-muted); margin-top: 2px; }

/* Cancer Type Card */
.cancer-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
}
.cancer-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.cancer-card-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cancer-card-name { font-weight: 600; font-size: .95rem; color: var(--color-text-primary); }
.cancer-card-desc { font-size: .8rem; color: var(--color-text-muted); margin-top: 4px; }

/* Protocol Card */
.protocol-card { cursor: pointer; }
.protocol-card-header {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 24px;
}
.protocol-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.protocol-card-meta .text-label { color: var(--color-accent-green); margin-bottom: 4px; }
.protocol-card-meta h3 { margin-bottom: 6px; }
.protocol-card-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 24px 24px; }

/* ============================================================
   FILTER BAR
   ============================================================ */
.filter-bar { margin-bottom: 32px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filter-chip {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: .85rem; font-weight: 500;
  cursor: pointer; border: none;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all .15s;
}
.filter-chip:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.filter-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.filter-chip.active-green {
  background: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: #fff;
}
.filter-icon { display: flex; align-items: center; gap: 6px; color: var(--color-text-muted); font-size: .85rem; margin-bottom: 8px; }

/* ============================================================
   GRID
   ============================================================ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ============================================================
   ACCORDION (Journey Steps)
   ============================================================ */
.journey-list { display: flex; flex-direction: column; gap: 0; }
.journey-item {
  display: flex; gap: 24px;
  padding-bottom: 0;
}
.journey-line {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 20px;
  flex-shrink: 0;
}
.journey-dot {
  width: 14px; height: 14px; border-radius: 50%;
  flex-shrink: 0;
}
.journey-connector {
  width: 2px; flex: 1;
  background: var(--color-border);
  margin-top: 6px;
  min-height: 24px;
}
.journey-content { flex: 1; padding-bottom: 16px; }
.accordion-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all .15s;
  gap: 16px;
  user-select: none;
}
.accordion-header:hover { box-shadow: var(--shadow-sm); }
.accordion-header-left { display: flex; align-items: center; gap: 16px; }
.accordion-step-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.accordion-step-label { font-size: .78rem; color: var(--color-text-muted); font-weight: 500; }
.accordion-step-title { font-weight: 600; font-size: 1rem; }
.accordion-chevron {
  transition: transform .25s;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.accordion-header.open .accordion-chevron { transform: rotate(180deg); }
.accordion-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s ease;
}
.accordion-body.open { max-height: 1000px; }
.accordion-body-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 24px 24px 28px;
}
.accordion-body-inner p { font-size: .95rem; margin-bottom: 16px; }
.step-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.step-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: .9rem;
}
.step-num {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.step-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-accent-green); font-size: .875rem; font-weight: 500;
  margin-top: 4px;
}
.step-link:hover { text-decoration: underline; }

/* ============================================================
   HERO SECTIONS
   ============================================================ */
.hero-page {
  padding: 64px 0 48px;
}
.hero-label {
  margin-bottom: 16px;
}
.hero-label .badge { margin-bottom: 16px; }

/* ============================================================
   FEATURE SECTION (2 col: image + content)
   ============================================================ */
.feature-section {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.feature-section img {
  border-radius: var(--radius-xl);
  aspect-ratio: 1/1;
  object-fit: cover;
  width: 100%;
}
.feature-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 24px;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-hope) 50%, var(--color-accent-green) 100%);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { color: #fff; }
.cta-banner p  { color: rgba(255,255,255,.85); }
.cta-banner h2 { margin-bottom: 12px; }
.cta-banner p  { max-width: 480px; margin: 0 auto 28px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand p {
  font-size: .875rem; color: var(--color-text-muted);
  margin-top: 12px; max-width: 260px;
}
.footer-col h4 { font-size: .875rem; font-weight: 600; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  font-size: .875rem; color: var(--color-text-muted);
  transition: color .15s;
}
.footer-col ul li a:hover { color: var(--color-text-primary); }
.footer-col p { font-size: .875rem; color: var(--color-text-muted); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .8rem; color: var(--color-text-muted);
}
.footer-bottom a { color: var(--color-accent-green); }

/* ============================================================
   SEARCH OVERLAY
   ============================================================ */
.search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.5);
  display: none; align-items: flex-start; justify-content: center;
  padding-top: 80px;
}
.search-overlay.open { display: flex; }
.search-box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 600px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.search-input-wrap {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.search-input-wrap input {
  flex: 1; border: none; outline: none;
  font-size: 1.05rem; font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: transparent;
}
.search-input-wrap input::placeholder { color: var(--color-text-muted); }
.search-close {
  border: none; background: none; cursor: pointer;
  color: var(--color-text-muted); font-size: 1.2rem;
}
.search-results { padding: 16px 20px; min-height: 80px; }
.search-hint { font-size: .875rem; color: var(--color-text-muted); }

/* ============================================================
   PAGE: PROTOCOLS
   ============================================================ */
.protocol-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.protocol-detail-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.sidebar-protocol {
  position: sticky; top: calc(var(--nav-height) + 20px);
}
.protocol-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.protocol-table th, .protocol-table td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.protocol-table th { font-weight: 600; color: var(--color-text-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.protocol-table tr:last-child td { border-bottom: none; }

/* ============================================================
   PROTOCOL NAV BUTTONS (sidebar)
   ============================================================ */
.proto-nav-btn {
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  font-size: .875rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all .15s;
}
.proto-nav-btn:hover { background: var(--color-bg); color: var(--color-text-primary); }
.proto-nav-btn.active {
  background: var(--color-accent-green-light);
  color: var(--color-accent-green);
  font-weight: 600;
}

/* ============================================================
   UTILITY
   ============================================================ */
.divider { height: 1px; background: var(--color-border); margin: 40px 0; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.text-center { text-align: center; }

/* ============================================================
   HERO SPLIT (homepage)
   ============================================================ */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 440px;
  overflow: hidden;
}
.hero-split-left {
  padding: 64px 48px 64px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-split-right {
  background: linear-gradient(155deg, var(--color-primary) 0%, var(--color-hope) 45%, var(--color-accent-green) 100%);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 40px;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
}
.hero-split-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-split h1 span.text-blue { color: var(--color-primary); }
.hero-split-visual {
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 1;
}
.hero-split-visual .visual-icon {
  font-size: 64px;
  margin-bottom: 12px;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.25));
}
.hero-split-visual .visual-label {
  font-size: .9rem;
  font-weight: 600;
  opacity: .9;
  margin-bottom: 6px;
}
.hero-split-visual .visual-sources {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 12px;
}
.hero-split-visual .visual-sources span {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: .75rem;
  font-weight: 600;
  color: #fff;
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--color-navy);
  padding: 0;
}
.stats-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 0;
}
.stats-bar-item {
  padding: 24px 16px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
}
.stats-bar-item:last-child { border-right: none; }
.stats-bar-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: #4FC3F7;
  line-height: 1;
  margin-bottom: 4px;
}
.stats-bar-label {
  font-size: .78rem;
  color: #90CAF9;
  font-weight: 500;
}

/* ============================================================
   CANCER GROUP CARDS
   ============================================================ */
.cancer-group-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cancer-group-card {
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .2s;
  text-decoration: none;
  display: block;
}
.cancer-group-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cg-icon { font-size: 2.4rem; margin-bottom: 10px; display: block; }
.cg-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.cg-sub  { font-size: .78rem; color: var(--color-text-muted); line-height: 1.4; }

/* Cancer group color variants */
.cg-lung  { background: #EFF6FF; border-color: #BFDBFE; }
.cg-lung .cg-name  { color: var(--color-primary); }
.cg-lung:hover { border-color: var(--color-primary); background: #DBEAFE; }

.cg-breast { background: #FDF4FF; border-color: #E9D5FF; }
.cg-breast .cg-name { color: #7C3AED; }
.cg-breast:hover { border-color: #7C3AED; background: #EDE9FE; }

.cg-gi    { background: #F0FDF4; border-color: #BBF7D0; }
.cg-gi .cg-name    { color: var(--color-accent-green); }
.cg-gi:hover { border-color: var(--color-accent-green); background: #DCFCE7; }

.cg-uro   { background: #FFF7ED; border-color: #FED7AA; }
.cg-uro .cg-name   { color: #C2410C; }
.cg-uro:hover { border-color: #C2410C; background: #FFEDD5; }

/* ============================================================
   TRUST BAND
   ============================================================ */
.trust-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-hope) 60%, var(--color-accent-green) 100%);
  padding: 40px 0;
}
.trust-band-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: #fff;
}
.trust-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.trust-text strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.trust-text span {
  font-size: .8rem;
  opacity: .8;
  line-height: 1.4;
}

/* ============================================================
   PROTO-NAV overrides for new palette
   ============================================================ */
.proto-nav-btn.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.proto-nav-btn:hover { background: var(--color-bg); color: var(--color-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .feature-section { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .protocol-grid { grid-template-columns: 1fr; }
  .cancer-group-grid { grid-template-columns: repeat(2,1fr); }
  .trust-band-grid { grid-template-columns: repeat(2,1fr); }
  .stats-bar-inner { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.8rem; }
  .section { padding: 48px 0; }
  .cta-banner { padding: 36px 24px; }
  .hero-split { grid-template-columns: 1fr; }
  .hero-split-right { display: none; }
  .hero-split-left { padding: 48px 0; }
  .cancer-group-grid { grid-template-columns: repeat(2,1fr); }
  .trust-band-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .cancer-group-grid { grid-template-columns: repeat(2,1fr); }
  .stats-bar-inner { grid-template-columns: repeat(2,1fr); }
  .container { padding: 0 16px; }
}