/* Pharmacology Made Easy & Unforgettable — PharmaNutrition Glow
   Palette: deep emerald, warm gold, coral accent, cream — academic/clinical textbook feel
*/

@import url('https://fonts.googleapis.com/css2?family=Spectral:wght@600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --emerald: #0F4C3A;
  --emerald-deep: #0A3529;
  --gold: #E8B94A;
  --gold-deep: #C99A2E;
  --coral: #E8536B;
  --coral-deep: #D33B54;
  --cream: #FBF9F2;
  --line: #E3DFC9;
  --text: #1C2A24;
  --muted: #5A6A5F;
  --radius: 16px;
  --max: 1100px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family:'IBM Plex Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3{
  font-family:'Spectral', Georgia, serif;
  color: var(--emerald);
  line-height: 1.18;
  margin: 0 0 .5em;
  font-weight:700;
}
a{ color: var(--emerald); }
img,svg{ max-width:100%; display:block; }
.wrap{ max-width: var(--max); margin:0 auto; padding:0 24px; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index:50;
  background: rgba(251,249,242,.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; }
.brand{ font-family:'Spectral', serif; font-weight:700; font-size:1.2rem; color: var(--emerald); text-decoration:none; }
.btn{
  display:inline-block; text-decoration:none; font-weight:700;
  padding:12px 24px; border-radius:8px; font-size:.92rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary{ background: var(--coral); color:#fff; box-shadow: 0 6px 18px rgba(232,83,107,.32); }
.btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 10px 22px rgba(232,83,107,.42); }
.btn-gold{ background: var(--gold); color: var(--emerald-deep); }
.btn-gold:hover{ transform: translateY(-1px); box-shadow: 0 10px 22px rgba(232,185,74,.4); }

/* ---------- Hero ---------- */
.hero{
  background: radial-gradient(1000px 480px at 88% -10%, rgba(232,185,74,.16), transparent 60%), linear-gradient(180deg, #EFEAD6, var(--cream));
  padding: 58px 0 42px;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.78rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  color: var(--emerald); background:#fff; border:1px solid var(--line);
  padding:7px 14px; border-radius:999px; margin-bottom:20px;
}
.hero-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:48px; align-items:center; }
.hero h1{ font-size: clamp(2rem, 4vw, 2.9rem); }
.hero .accent{ color: var(--coral-deep); }
.hero p.lead{ color: var(--muted); font-size:1.08rem; max-width:50ch; margin:0 0 26px; }
.hero-actions{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-bottom:16px; }
.reassure{ color: var(--muted); font-size:.88rem; }
.chip-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }
.chip{ background:#fff; border:1px solid var(--line); border-radius:8px; padding:9px 13px; font-size:.85rem; font-weight:700; color: var(--emerald); }
.hero-art img{ border-radius:10px; box-shadow: 0 30px 60px -20px rgba(15,76,58,.4); }

/* ---------- Section shell ---------- */
section{ padding:58px 0; }
.section-head{ max-width:66ch; margin-bottom:34px; }
.section-head .rule{ width:46px; height:3px; background: var(--coral); border:none; margin:0 0 16px; }
.section-head h2{ font-size: clamp(1.55rem, 3vw, 2.05rem); }
.section-head p{ color: var(--muted); }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ---------- Relate / pain point band ---------- */
.relate-band{ background: var(--emerald); color:#E8F1EC; border-radius:14px; margin:0 24px; padding:48px 32px; }
.relate-band .section-head h2, .relate-band .section-head p{ color:#E8F1EC; }
.relate-band .section-head p{ opacity:.8; }
.relate-band .section-head .rule{ background: var(--gold); }
.relate-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:14px; }
.relate-item{ display:flex; gap:12px; align-items:flex-start; background: rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.15); border-radius: 10px; padding:16px 18px; }
.relate-item .dot{ flex:none; width:7px; height:7px; border-radius:50%; background: var(--gold); margin-top:8px; }
.relate-item p{ margin:0; font-size:.96rem; }

/* ---------- Six questions ---------- */
.six-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:16px; }
.six-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:20px 20px; }
.six-num{ width:28px; height:28px; border-radius:50%; background: var(--emerald); color: var(--gold); display:flex; align-items:center; justify-content:center; font-weight:700; margin-bottom:10px; font-family:'Spectral',serif; font-size:.95rem; }
.six-card p{ margin:0; font-weight:600; font-size:.95rem; color: var(--emerald); }

/* ---------- Sticker system ---------- */
.sticker-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:16px; }
.sticker-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:20px 18px; text-align:center; }
.sticker-ic{ width:44px; height:44px; margin:0 auto 12px; }
.sticker-card h3{ font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; font-weight:800; color: var(--emerald); margin-bottom:6px; }
.sticker-card p{ color: var(--muted); font-size:.82rem; margin:0; }

/* ---------- Roadmap / parts ---------- */
.roadmap-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:14px; }
.roadmap-item{ display:flex; gap:14px; align-items:flex-start; background:#fff; border:1px solid var(--line); border-radius:10px; padding:16px 18px; }
.roadmap-item .pnum{ flex:none; font-family:'Spectral',serif; font-weight:700; color: var(--gold-deep); font-size:1.3rem; width:32px; }
.roadmap-item h3{ font-size:.98rem; margin-bottom:3px; }
.roadmap-item p{ color: var(--muted); font-size:.86rem; margin:0; }

/* ---------- Sample teaching moment ---------- */
.sample-box{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:28px 30px; }
.sample-box .tag{ display:inline-block; background: var(--gold); color: var(--emerald-deep); font-weight:800; font-size:.78rem; text-transform:uppercase; letter-spacing:.05em; padding:5px 12px; border-radius:6px; margin-bottom:14px; }
.sample-box p{ color: var(--text); font-size:.98rem; margin-bottom:10px; }
.sample-box p:last-child{ margin-bottom:0; }

/* ---------- Chapter list ---------- */
.chapter-list{ columns:2; column-gap:36px; }
.part-head{ break-inside: avoid-column; font-family:'IBM Plex Sans',sans-serif; font-weight:800; font-size:.82rem; text-transform:uppercase; letter-spacing:.04em; color: var(--coral-deep); margin:18px 0 8px; }
.part-head:first-child{ margin-top:0; }
.chapter-item{ break-inside: avoid; margin-bottom:8px; font-size:.92rem; color: var(--text); }

/* ---------- About product cards ---------- */
.audience-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:20px; }
.aud-card{ background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:26px 24px; }
.aud-icon{ font-size:1.6rem; margin-bottom:12px; }
.aud-card h3{ font-family:'IBM Plex Sans',sans-serif; font-weight:800; font-size:1rem; color:var(--emerald); }
.aud-card p{ color: var(--muted); font-size:.93rem; margin:0; }

/* ---------- CTA band ---------- */
.cta-band{ text-align:center; background: linear-gradient(135deg, var(--coral), var(--coral-deep)); color:#fff; border-radius:14px; margin:0 24px; padding:52px 24px; }
.cta-band h2{ color:#fff; }
.cta-band p{ color:#FBDFE4; margin-bottom:26px; }
.cta-band .btn-gold{ font-size:1.05rem; padding:15px 30px; }
.fine{ margin-top:16px; color:#FBDFE4; font-size:.85rem; }

/* ---------- Author ---------- */
.author{ display:flex; gap:22px; align-items:flex-start; background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:28px; }
.author-badge{ flex:none; width:56px; height:56px; border-radius:50%; background: var(--emerald); color: var(--gold); display:flex; align-items:center; justify-content:center; font-weight:700; font-family:'Spectral',serif; font-size:1.3rem; }
.author h3{ margin:0 0 8px; font-size:1.15rem; }
.author p{ color: var(--muted); margin:0; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); padding:18px 0; }
.faq-item summary{ cursor:pointer; list-style:none; font-weight:700; color: var(--emerald); display:flex; justify-content:space-between; align-items:center; gap:16px; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-size:1.4rem; color: var(--coral); flex:none; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ color: var(--muted); margin:12px 0 0; }

/* ---------- Footer ---------- */
footer{ background:#EFEAD6; border-top:1px solid var(--line); padding:44px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap:28px; margin-bottom:26px; }
.footer-grid h4{ font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; color: var(--emerald); margin:0 0 12px; }
.footer-grid p{ color: var(--muted); font-size:.92rem; }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; }
.footer-grid a{ color: var(--muted); text-decoration:none; font-size:.92rem; }
.footer-grid a:hover{ color: var(--coral-deep); }
.footer-bottom{ border-top:1px solid var(--line); padding-top:20px; color: var(--muted); font-size:.85rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Legal pages ---------- */
.legal{ padding:56px 0 80px; }
.legal .back{ display:inline-block; margin-bottom:26px; font-weight:700; text-decoration:none; }
.legal h1{ font-size:2rem; margin-bottom:22px; }
.legal p{ color: var(--text); margin:0 0 16px; }
.legal strong{ color: var(--emerald); }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-art{ order:-1; }
  .relate-grid{ grid-template-columns:1fr; }
  .six-grid{ grid-template-columns:1fr 1fr; }
  .sticker-grid{ grid-template-columns:1fr 1fr; }
  .roadmap-grid{ grid-template-columns:1fr; }
  .chapter-list{ columns:1; }
  .audience-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .author{ flex-direction:column; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .btn-primary:hover, .btn-gold:hover{ transform:none; }
}