/* Riverstone Health Publishing - Minimal, audit-friendly ecommerce template
   Notes:
   - No exaggerated medical claims
   - Clear business + policy pages
   - Simple, fast, accessible layout
*/

:root{
  --bg:#ffffff;
  --ink:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --card:#f9fafb;
  --accent:#1d4ed8;
  --accent2:#0f766e;
  --danger:#b91c1c;
  --shadow: 0 10px 25px rgba(0,0,0,.06);
  --radius: 14px;
  --max: 1120px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.main{padding: 28px 0 56px}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.brand-text{font-size:14px}
.nav{display:flex;align-items:center;gap:10px}
.nav-menu{display:flex;align-items:center;gap:14px}
.nav-menu a{color:var(--ink);font-weight:600;font-size:14px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:12px;padding:10px}
.hamburger{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.hamburger:before,.hamburger:after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink);
}
.hamburger:before{top:-6px}
.hamburger:after{top:6px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  border: 1px solid rgba(0,0,0,0);
  font-weight:700;
  cursor:pointer;
  box-shadow: 0 10px 22px rgba(29,78,216,.18);
  text-decoration:none !important;
}
.btn:hover{filter:brightness(.98)}
.btn:active{transform: translateY(1px)}
.btn-small{padding:10px 14px;font-size:13px}
.btn-ghost{
  background:#fff;color:var(--ink);
  border:1px solid var(--line);
  box-shadow:none;
}
.btn-ghost:hover{background:var(--card)}
.icon-btn{
  border:1px solid var(--line);
  background:#fff;
  border-radius: 10px;
  width:38px; height:38px;
  cursor:pointer;
  font-size:22px; line-height:1;
}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero{
  padding: 26px 0 10px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
}
.hero-copy{padding:22px}
.kicker{color:var(--accent2);font-weight:800;letter-spacing:.06em;font-size:12px;text-transform:uppercase}
.h1{font-size: 38px; line-height:1.15; margin:10px 0 10px}
.lead{font-size:16px;color:var(--muted);margin:0 0 18px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.badge{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:999px;
  padding:8px 10px;
  font-size:12px;
  color:var(--ink);
  font-weight:700;
}
.hero-side{padding:18px}
.cover{
  display:flex;flex-direction:column;gap:12px;
  padding:18px;
}
.cover img{border-radius: 12px; border:1px solid var(--line); background:#fff}
.cover .meta{color:var(--muted);font-size:13px}
.cover .meta .mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}
.cover .cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.note{
  margin-top:12px;
  padding:12px 14px;
  border-radius: 12px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #7c2d12;
  font-size: 13px;
}

.section{margin-top: 26px}
.h2{font-size: 22px; margin:0 0 8px}
.h3{font-size: 16px; margin:0 0 6px}
.muted{color:var(--muted)}
.small{font-size: 13px}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 14px;
}
.feature{padding:16px}
.feature .icon{
  width:40px; height:40px;
  border-radius: 12px;
  background: rgba(29,78,216,.10);
  border: 1px solid rgba(29,78,216,.20);
  display:flex;align-items:center;justify-content:center;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 10px;
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:start;
}

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.table th,.table td{
  padding:12px 12px;
  border-bottom: 1px solid var(--line);
  text-align:left;
  font-size: 14px;
}
.table th{background: var(--card); font-weight:800}
.table tr:last-child td{border-bottom:none}

.site-footer{
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 30px 0 18px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 16px;
}
.footer-brand{font-weight:900}
.footer-title{font-weight:900;margin-bottom:10px}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer-links a{color:var(--ink);font-weight:600;font-size:14px}
.footer-bottom{margin-top:12px;border-top: 1px solid var(--line); padding-top: 12px}
.sep{margin:0 8px;color:var(--muted)}
.sr-only{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

/* Cookie UI */
.cookie-banner{
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 14px;
  display:none;
  z-index: 1000;
}
.cookie-banner.show{display:block}
.cookie-card{
  max-width: var(--max);
  margin: 0 auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 14px 14px;
}
.cookie-title{font-weight:900;margin-bottom:6px}
.cookie-text{margin:0;color:var(--muted);font-size:13px}
.cookie-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}

.modal[hidden]{display:none}
.modal{
  position: fixed; inset:0;
  z-index: 1200;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 18px;
}
.modal-backdrop{
  position:absolute; inset:0;
  background: rgba(17,24,39,.55);
}
.modal-card{
  position: relative;
  width: min(620px, 100%);
  background:#fff;
  border:1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modal-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding: 14px 14px;
  border-bottom: 1px solid var(--line);
}
.modal-title{font-weight:900;font-size:16px}
.modal-body{padding: 14px}
.toggle-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding: 12px 10px;
  border:1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  margin-bottom: 10px;
}
.toggle-name{display:block;font-weight:900}
.modal-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top: 12px;justify-content:flex-end}

/* Page content helpers */
.prose{padding:18px}
.prose h1{margin:0 0 10px;font-size:28px}
.prose h2{margin:22px 0 8px;font-size:18px}
.prose p{margin:10px 0;color:var(--ink)}
.prose ul{margin:10px 0 10px 18px}
.prose li{margin:8px 0}
.callout{
  padding:14px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: var(--card);
}

.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:800;font-size:13px}
.field input,.field textarea, .field select{
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 12px;
  font: inherit;
}
.field textarea{min-height: 120px; resize: vertical}

/* Responsive */
@media (max-width: 860px){
  .hero-grid{grid-template-columns: 1fr}
  .grid-3{grid-template-columns: 1fr}
  .split{grid-template-columns: 1fr}
  .footer-grid{grid-template-columns: 1fr}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    display:none;
    position:absolute;
    right:18px;
    top:64px;
    background:#fff;
    border:1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 10px;
    flex-direction:column;
    align-items:stretch;
    min-width: 220px;
  }
  .nav-menu.show{display:flex}
}