/* ============================================================
   MAROBRAIN — MAIN STYLESHEET
   Variables defined in critical inline CSS in <head>
   ============================================================ */

h2{font-family:'Playfair Display',serif;font-size:clamp(1.6rem,3vw,2.2rem);color:var(--navy);margin-bottom:18px;line-height:1.2;font-weight:800}
h2.center{text-align:center}
h2.white-h2{color:#fff;text-align:center;margin-bottom:30px}
h3{font-family:'Inter',sans-serif;font-size:18px;color:var(--navy);margin-bottom:10px;font-weight:700}
h4{font-family:'Inter',sans-serif;font-size:15px;font-weight:700;color:var(--navy);margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
p{margin-bottom:14px;color:var(--ink)}
.section{padding:70px 0}
.section-grey{background:#f5f3eb}
.section-lead{font-size:17px;color:var(--muted);max-width:780px;margin:0 auto 32px;text-align:left;line-height:1.6}
.section-lead.center{text-align:center}

/* ----- Trust strip ----- */
.trust-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}
.trust-row{display:flex;gap:36px;justify-content:center;flex-wrap:wrap;align-items:center}
.trust-item{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--navy);font-size:14px}
.trust-item strong{font-size:22px;color:var(--gold-dark)}

/* ----- Two-column ----- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.check-list{list-style:none;margin:20px 0}
.check-list li{padding:10px 0 10px 32px;position:relative;font-size:15px;color:var(--ink)}
.check-list li::before{content:"";position:absolute;left:0;top:14px;width:20px;height:20px;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d4a017'><path d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>") no-repeat center/contain}

/* ----- AI Answer blocks ----- */
.ai-answer{background:linear-gradient(135deg,#eef2ff 0%,#f3e9ff 100%);border-left:5px solid var(--purple);padding:22px 26px;border-radius:10px;margin:28px 0;max-width:880px;margin-left:auto;margin-right:auto}
.ai-answer strong{display:block;color:var(--navy);font-size:17px;margin-bottom:10px;font-weight:800}
.ai-answer p{margin:0;color:#2a2d4a;font-size:15.5px;line-height:1.6}
.ai-answer.dark{background:rgba(255,255,255,.08);border-left-color:var(--gold);color:#fff}
.ai-answer.dark strong{color:var(--gold)}
.ai-answer.dark p{color:#e8e8f5}

/* ----- Problem section ----- */
.problem-section{background:linear-gradient(135deg,var(--navy) 0%,var(--purple) 100%);color:#fff;padding:70px 0}
.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:32px}
.pain-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:24px;border-radius:14px;backdrop-filter:blur(4px)}
.pain-num{font-family:'Playfair Display',serif;font-size:34px;color:var(--gold);font-weight:800;margin-bottom:8px}
.pain-card h3{color:#fff;margin-bottom:10px;font-size:17px}
.pain-card p{color:#d0d2e8;font-size:14px;margin:0;line-height:1.55}

/* ----- Mechanism grid ----- */
.mechanism-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mech-card{background:#fff;padding:26px;border-radius:14px;box-shadow:0 4px 16px rgba(26,31,92,.06);border:1px solid var(--line);position:relative}
.mech-num{position:absolute;top:-14px;left:24px;background:var(--gold);color:var(--navy);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.mech-card h3{margin-top:6px}
.mech-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.6}

/* ----- Unique label ----- */
.unique-label{display:inline-block;background:var(--gold);color:var(--navy);padding:5px 14px;border-radius:6px;font-weight:700;font-size:12px;letter-spacing:.5px;text-transform:uppercase;margin-bottom:12px}

/* ----- Diagram ----- */
.diagram-wrap{background:#fff;padding:28px;border-radius:14px;box-shadow:0 4px 20px rgba(26,31,92,.08);overflow-x:auto;margin-top:20px}
.diagram-wrap svg{width:100%;height:auto;min-width:700px}
.diagram-caption{text-align:center;font-size:13px;color:var(--muted);margin-top:18px;font-style:italic}

/* ----- Pricing ----- */
.section-pricing{background:linear-gradient(180deg,#f5f3eb 0%,#faf7f2 100%)}
.pricing-grid{display:grid;grid-template-columns:1fr 1.05fr 1fr;gap:24px;align-items:stretch;margin-top:30px}
.price-card{background:#fff;border:2px solid var(--line);border-radius:18px;padding:30px 26px;text-align:center;position:relative;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(26,31,92,.12)}
.price-best{border-color:var(--gold);transform:scale(1.05);box-shadow:0 16px 40px rgba(212,160,23,.25);background:linear-gradient(180deg,#fffbf0 0%,#fff 70%)}
.price-best:hover{transform:scale(1.05) translateY(-4px)}
.ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--navy);padding:6px 18px;border-radius:20px;font-weight:800;font-size:12px;letter-spacing:.5px;white-space:nowrap}
.ribbon-popular{background:var(--purple);color:#fff}
.price-head{font-weight:800;font-size:22px;color:var(--navy);margin-top:8px}
.price-sub{font-size:13px;color:var(--muted);margin-bottom:14px;text-transform:uppercase;letter-spacing:.4px}
.price-card img{margin:0 auto 14px;object-fit:contain}
.price-perbottle{margin-bottom:10px}
.price-perbottle .big{font-family:'Playfair Display',serif;font-size:48px;font-weight:800;color:var(--navy)}
.price-perbottle .small{font-size:14px;color:var(--muted);font-weight:500}
.price-total{font-size:14px;color:var(--ink);margin-bottom:18px}
.price-total strong{color:var(--navy);font-size:16px}
.btn-block{width:100%;display:block;padding:14px}
.price-guar{font-size:12px;color:var(--muted);margin-top:12px;margin-bottom:0}

/* ----- Bonuses ----- */
.bonuses-title{margin-top:56px;font-size:24px}
.bonus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.bonus-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;transition:transform .15s}
.bonus-card:hover{transform:translateY(-2px)}
.bonus-card img{margin:0 auto 12px;width:100%;max-width:200px;object-fit:contain}
.bonus-card h4{font-size:14px;color:var(--navy);margin-bottom:8px;text-transform:none;letter-spacing:0}
.bonus-card p{font-size:13px;color:var(--muted);margin-bottom:10px;line-height:1.5}
.bonus-val{display:inline-block;background:var(--gold);color:var(--navy);padding:4px 12px;border-radius:5px;font-weight:700;font-size:12px}

/* ----- Ingredients ----- */
.ingredient-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.ing-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:transform .15s,box-shadow .15s}
.ing-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(26,31,92,.08)}
.ing-icon{font-size:32px;margin-bottom:8px}
.ing-tag{display:inline-block;background:#eef2ff;color:var(--purple);padding:3px 10px;border-radius:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px}
.ing-card h3{font-size:17px;margin-bottom:8px}
.ing-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.55}

/* ----- Benefits ----- */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.benefit-card{background:#fff;border-radius:12px;padding:22px;border:1px solid var(--line)}
.benefit-card h3{font-size:16px;margin-bottom:8px}
.benefit-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.55}

/* ----- Timeline ----- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:32px;position:relative}
.tl-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;position:relative}
.tl-item::before{content:"";position:absolute;top:30px;left:-12px;width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-right:12px solid var(--gold);display:none}
.tl-item:not(:first-child)::before{display:block}
.tl-phase{display:inline-block;background:linear-gradient(90deg,var(--gold),var(--gold-dark));color:#fff;padding:5px 14px;border-radius:20px;font-weight:700;font-size:12px;margin-bottom:12px;letter-spacing:.3px}
.tl-item h3{font-size:16px;margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.55}

/* ----- Comparison table ----- */
.compare-wrap{overflow-x:auto;margin-top:24px;background:#fff;border-radius:14px;box-shadow:0 4px 16px rgba(26,31,92,.06)}
.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);font-size:14.5px}
.compare-table th{background:var(--navy);color:#fff;font-weight:700;text-align:center}
.compare-table th.th-us{background:var(--gold);color:var(--navy)}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--navy);background:#f5f3eb}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .y{color:#0a8c4a;font-weight:700}

/* ----- Reviews ----- */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column}
.stars{color:var(--gold);font-size:17px;margin-bottom:12px;letter-spacing:1px}
.review-card p{flex:1;font-size:14.5px;color:var(--ink);line-height:1.6;font-style:italic;margin-bottom:18px}
.reviewer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.reviewer img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.reviewer strong{display:block;font-size:14px;color:var(--navy)}
.reviewer span{display:block;font-size:12px;color:var(--muted)}

/* ----- Guarantee block ----- */
.guarantee-section{background:linear-gradient(135deg,#fffbf0 0%,#faf7f2 100%);padding:80px 0}
.guar-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:center}
.guar-seal{width:240px;height:240px;border-radius:50%;background:conic-gradient(from 0deg,var(--gold) 0%,var(--gold-dark) 50%,var(--gold) 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 16px 40px rgba(212,160,23,.35);margin:0 auto}
.seal-inner{width:200px;height:200px;background:#fff;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:4px solid var(--gold-dark)}
.seal-top{font-family:'Playfair Display',serif;font-size:58px;font-weight:800;color:var(--navy);line-height:1}
.seal-mid{font-size:18px;font-weight:800;color:var(--navy);letter-spacing:2px;margin:2px 0}
.seal-bot{font-size:11px;font-weight:700;color:var(--gold-dark);letter-spacing:2px}

/* ----- Contraindications ----- */
.contra-list{list-style:none;background:#fff;padding:26px 30px;border-radius:14px;border-left:5px solid #c73e3e;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.contra-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.6}
.contra-list li:last-child{border-bottom:none}
.contra-note{margin-top:18px;font-size:14px;color:var(--muted);font-style:italic}

/* ----- FAQ ----- */
.faq-list{max-width:880px;margin:30px auto 0}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
.faq-q{width:100%;padding:18px 22px;background:none;border:none;text-align:left;font-size:16px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:inherit}
.faq-q:hover{background:#f5f3eb}
.faq-icon{font-size:22px;color:var(--gold-dark);font-weight:800}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 22px 18px;color:var(--muted);font-size:14.5px;line-height:1.6;margin:0}
.faq-item.open .faq-a{max-height:400px}

/* ----- Medical reviewer ----- */
.reviewer-card{display:grid;grid-template-columns:160px 1fr;gap:30px;background:#fff;padding:32px;border-radius:14px;border:1px solid var(--line);align-items:center;max-width:880px;margin:30px auto 0}
.reviewer-avatar{width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--purple));color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:'Playfair Display',serif;font-size:54px;font-weight:800}
.reviewer-card h3{font-size:22px;margin-bottom:6px}
.reviewer-role{color:var(--gold-dark);font-weight:700;font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.reviewer-card p{font-size:14.5px;color:var(--ink);line-height:1.6}
.reviewer-disclaimer{font-size:12.5px;color:var(--muted);font-style:italic;margin-top:10px}

/* ----- References ----- */
.ref-list{padding-left:24px;max-width:880px;font-size:14.5px;color:var(--ink);line-height:1.7}
.ref-list li{margin-bottom:10px}
.ref-list em{color:var(--purple);font-style:italic}
.ref-list a{color:var(--purple);font-weight:600;text-decoration:underline}

/* ----- Final CTA ----- */
.final-cta{background:linear-gradient(135deg,var(--navy) 0%,var(--purple) 100%);color:#fff;padding:70px 0;text-align:center}
.final-cta h2{color:#fff}
.final-cta p{color:#e0e2f0;font-size:17px;max-width:640px;margin:0 auto 24px}
.final-cta-img{margin:24px auto 28px;max-width:380px}
.final-cta-img img{margin:0 auto;filter:drop-shadow(0 16px 32px rgba(0,0,0,.35));max-width:100%;height:auto}
.cta-note{font-size:13px;color:#b6b8d6;margin-top:18px}

/* ----- Footer ----- */
footer{background:#0f1340;color:#c0c2dc;padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-logo{color:#fff;margin-bottom:14px}
.footer-logo .logo-mark{background:var(--gold);color:var(--navy)}
.foot-desc{font-size:14px;color:#9ea0bf;line-height:1.55}
footer h4{color:#fff;margin-bottom:14px;font-size:13px}
footer ul{list-style:none}
footer ul li{padding:5px 0;font-size:14px}
footer ul li a{color:#c0c2dc;transition:color .15s}
footer ul li a:hover{color:var(--gold)}
.foot-disclaimer{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:12.5px;color:#8a8cb0;line-height:1.55}
.foot-disclaimer p{margin-bottom:10px;color:#8a8cb0}

/* ----- Mobile sticky CTA bar ----- */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;padding:10px 14px;box-shadow:0 -4px 16px rgba(0,0,0,.12);z-index:80;border-top:1px solid var(--line)}

/* ----- Social proof popup ----- */
.sp-popup{position:fixed;bottom:80px;left:18px;background:#fff;border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:12px;box-shadow:0 8px 28px rgba(0,0,0,.18);max-width:320px;border:1px solid var(--line);transform:translateX(-380px);transition:transform .35s ease;z-index:85}
.sp-popup.show{transform:translateX(0)}
.sp-popup img{border-radius:6px;flex-shrink:0}
.sp-body{font-size:13px;color:var(--ink);line-height:1.4}
.sp-body strong{color:var(--navy);font-weight:700}
.sp-body small{color:var(--muted);font-size:11px}
.sp-close{position:absolute;top:6px;right:8px;background:none;border:none;font-size:18px;color:var(--muted);cursor:pointer;padding:0;line-height:1}

/* ================ RESPONSIVE — 900px ================ */
@media(max-width:900px){
  .container{padding:0 16px}
  .section{padding:50px 0}
  .two-col{grid-template-columns:1fr;gap:30px}
  .two-col img{max-width:380px;margin:0 auto}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .mechanism-grid{grid-template-columns:1fr 1fr}
  .pricing-grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
  .price-best{transform:scale(1)}
  .price-best:hover{transform:translateY(-4px)}
  .bonus-grid{grid-template-columns:1fr 1fr}
  .ingredient-grid{grid-template-columns:1fr 1fr}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .reviews-grid{grid-template-columns:1fr}
  .guar-grid{grid-template-columns:1fr;text-align:center}
  .reviewer-card{grid-template-columns:1fr;text-align:center}
  .reviewer-avatar{margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .mobile-cta{display:block}
  body{padding-bottom:80px}
  .sp-popup{left:10px;right:10px;max-width:none}
  .sp-popup.show{transform:translateY(0)}
  .sp-popup{transform:translateY(200px)}
  .compare-table th,.compare-table td{padding:12px 10px;font-size:13.5px}
}

/* ================ RESPONSIVE — 560px ================ */
@media(max-width:560px){
  .announce{font-size:12.5px;padding:8px 12px}
  .nav{padding:12px 0}
  .logo{font-size:18px}
  .logo-mark{width:32px;height:32px;font-size:18px}
  .hero{padding:24px 0 30px}
  .trust-row{gap:16px}
  .trust-item{font-size:12.5px}
  .trust-item strong{font-size:18px}
  .problem-grid{grid-template-columns:1fr}
  .mechanism-grid{grid-template-columns:1fr}
  .bonus-grid{grid-template-columns:1fr}
  .ingredient-grid{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  h2{font-size:1.4rem}
  .section{padding:40px 0}
  .price-perbottle .big{font-size:42px}
  .seal-top{font-size:48px}
  .guar-seal{width:200px;height:200px}
  .seal-inner{width:170px;height:170px}
}
