/* ============================================
   PROSTADINE — MAIN STYLESHEET
   Brand: Prustadine.com
   ============================================ */

/* CONTAINER */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* SECTIONS */
.section{padding:80px 0;background:#fff}
.section-soft{background:var(--bg-soft)}
.section-dark{background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 100%);color:#fff;padding:80px 0}

.section-title{font-family:'Playfair Display',serif;font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700;color:var(--navy);text-align:center;margin-bottom:14px;line-height:1.2;letter-spacing:-.5px}
.section-title span{color:var(--teal)}
.section-title.light{color:#fff}
.section-title.light span{color:var(--gold-light)}
.section-lead{text-align:center;max-width:780px;margin:0 auto 50px;color:var(--text-soft);font-size:17px;line-height:1.65}
.section-lead.light{color:#c8d4e2}

.sub-title{font-family:'Playfair Display',serif;font-size:24px;color:var(--navy);margin-bottom:14px;font-weight:700}

.btn-primary{display:inline-block;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy-deep);padding:13px 30px;border-radius:50px;font-weight:700;font-size:15px;box-shadow:0 4px 16px rgba(212,164,55,.3);transition:transform .2s;margin-top:14px}
.btn-primary:hover{transform:translateY(-2px);color:var(--navy-deep)}

/* TRUST STRIP (4) */
.trust-strip{background:#fff;padding:24px 20px;border-bottom:1px solid var(--border)}
.trust-grid{max-width:1200px;margin:0 auto;display:flex;justify-content:space-around;flex-wrap:wrap;gap:18px}
.trust-item{font-size:14px;font-weight:600;color:var(--navy);padding:6px 14px}

/* WHY CHOOSE (5) */
.two-col{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.two-col img{max-width:100%;height:auto;border-radius:14px}
.check-list{list-style:none;margin:24px 0 10px}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:16px;line-height:1.6;color:var(--text-soft)}
.check-list li strong{color:var(--navy)}
.check-list svg{flex-shrink:0;margin-top:3px}

/* PROBLEM (6) */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px}
.pain-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:26px;backdrop-filter:blur(10px)}
.pain-icon{font-size:34px;margin-bottom:14px}
.pain-card h3{font-family:'Playfair Display',serif;font-size:18px;color:#fff;margin-bottom:8px;line-height:1.3}
.pain-card p{font-size:14px;color:#c8d4e2;line-height:1.55}

/* AI ANSWER BLOCK */
.ai-block{background:linear-gradient(135deg,#eaf6f9 0%,#f0f9fb 100%);border-left:4px solid var(--teal);padding:22px 26px;border-radius:10px;margin:30px auto 40px;max-width:880px;box-shadow:0 2px 12px rgba(26,143,163,.08)}
.ai-block strong{display:block;font-size:16px;color:var(--navy);margin-bottom:10px;font-weight:700}
.ai-block p{font-size:15px;color:var(--text);margin:0;line-height:1.65}

/* HOW IT WORKS (8) */
.how-intro{max-width:880px;margin:0 auto 40px;color:var(--text-soft);font-size:16px;line-height:1.7}
.how-intro p{margin-bottom:16px}
.how-bottom{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;margin-top:30px;color:var(--text-soft);font-size:15px;line-height:1.7}
.mechanism-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.mech-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px;transition:transform .2s,box-shadow .2s;position:relative}
.mech-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(10,35,66,.1)}
.mech-num{position:absolute;top:18px;right:24px;font-family:'Playfair Display',serif;font-size:32px;color:var(--gold);font-weight:700;opacity:.6}
.mech-card h3{font-family:'Playfair Display',serif;font-size:18px;color:var(--navy);margin-bottom:10px;line-height:1.3;padding-right:50px}
.mech-card p{font-size:14px;color:var(--text-soft);line-height:1.6}

/* UNIQUE TAG */
.unique-tag{display:inline-block;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy-deep);padding:5px 14px;border-radius:50px;font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:14px;text-transform:uppercase}
.unique-tag.warning{background:linear-gradient(135deg,#c53030 0%,#e53e3e 100%);color:#fff}

/* SVG DIAGRAM (9) */
.svg-diagram-wrap{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:0 4px 20px rgba(10,35,66,.06);max-width:1000px;margin:0 auto}
.svg-diagram-wrap svg{width:100%;height:auto}

/* PRICING (10) */
.pricing-grid{display:grid;grid-template-columns:1fr 1.05fr 1fr;gap:24px;align-items:center;margin-bottom:60px}
.price-card{background:#fff;border:2px solid var(--border);border-radius:18px;padding:30px 24px;text-align:center;position:relative;transition:transform .2s,box-shadow .2s}
.price-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(10,35,66,.1)}
.price-card.best-value{border-color:var(--gold);transform:scale(1.05);box-shadow:0 12px 40px rgba(212,164,55,.2);background:linear-gradient(180deg,#fffdf6 0%,#fff 100%)}
.price-card.best-value:hover{transform:scale(1.05) translateY(-4px)}
.badge-best{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#c53030 0%,#e53e3e 100%);color:#fff;padding:6px 18px;border-radius:50px;font-size:11px;font-weight:700;letter-spacing:.5px;white-space:nowrap;box-shadow:0 4px 12px rgba(229,62,62,.3)}
.badge-popular{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--teal) 0%,var(--teal-light) 100%);color:#fff;padding:6px 18px;border-radius:50px;font-size:11px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.price-card-img{height:240px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.price-card-img img{max-height:220px;width:auto;object-fit:contain}
.price-card.best-value .price-card-img img{max-height:240px}
.price-card h3{font-family:'Playfair Display',serif;font-size:24px;color:var(--navy);margin-bottom:4px}
.price-subtitle{color:var(--text-soft);font-size:14px;margin-bottom:18px}
.price-amount{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:8px}
.price-each{font-size:42px;font-weight:800;color:var(--navy);font-family:'Playfair Display',serif}
.price-unit{font-size:14px;color:var(--text-soft)}
.price-total{font-size:14px;color:var(--text-soft);margin-bottom:20px}
.price-total strong{color:var(--navy);font-size:16px}
.btn-buy{display:block;background:#fff;border:2px solid var(--gold);color:var(--navy);padding:14px;border-radius:50px;font-weight:700;font-size:15px;transition:all .2s}
.btn-buy:hover{background:var(--gold);color:var(--navy-deep)}
.btn-buy.primary{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy-deep);border:none;box-shadow:0 4px 14px rgba(212,164,55,.4)}
.btn-buy.primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(212,164,55,.5)}
.price-note{font-size:12px;color:var(--text-soft);margin-top:10px}

/* BONUSES */
.bonus-heading{text-align:center;font-family:'Playfair Display',serif;font-size:24px;color:var(--navy);margin-bottom:30px}
.bonus-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;max-width:920px;margin:0 auto}
.bonus-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;display:flex;gap:20px;align-items:center;box-shadow:0 4px 20px rgba(10,35,66,.06)}
.bonus-card img{width:180px;height:auto;border-radius:10px;flex-shrink:0}
.bonus-label{display:inline-block;background:var(--teal);color:#fff;padding:3px 10px;border-radius:4px;font-size:10px;font-weight:700;letter-spacing:.5px;margin-bottom:6px}
.bonus-card h4{font-family:'Playfair Display',serif;font-size:18px;color:var(--navy);margin-bottom:6px;line-height:1.3}
.bonus-card p{font-size:13px;color:var(--text-soft);line-height:1.5}

/* INGREDIENTS (11) */
.ingredient-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.ing-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;transition:transform .2s,box-shadow .2s}
.ing-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(10,35,66,.08);border-color:var(--teal)}
.ing-icon{font-size:36px;margin-bottom:12px}
.ing-tag{display:inline-block;background:#eaf6f9;color:var(--teal);padding:3px 10px;border-radius:4px;font-size:11px;font-weight:600;margin-bottom:10px;letter-spacing:.3px}
.ing-card h3{font-family:'Playfair Display',serif;font-size:19px;color:var(--navy);margin-bottom:8px}
.ing-card p{font-size:14px;color:var(--text-soft);line-height:1.6}

/* BENEFITS (12) */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;position:relative;transition:transform .2s,box-shadow .2s}
.benefit-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(10,35,66,.07)}
.b-num{position:absolute;top:14px;right:18px;font-family:'Playfair Display',serif;font-size:24px;color:var(--gold);font-weight:700;opacity:.7}
.benefit-card h3{font-family:'Playfair Display',serif;font-size:16px;color:var(--navy);margin-bottom:6px;padding-right:30px;line-height:1.3}
.benefit-card p{font-size:13px;color:var(--text-soft);line-height:1.55}

/* TIMELINE (13) */
.timeline-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}
.time-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px;text-align:center;transition:transform .2s}
.time-card.highlight{border-color:var(--gold);background:linear-gradient(180deg,#fffdf6 0%,#fff 100%);transform:scale(1.03)}
.time-num{display:inline-block;background:var(--navy);color:#fff;padding:4px 12px;border-radius:50px;font-size:11px;font-weight:700;letter-spacing:.5px;margin-bottom:12px}
.time-card.highlight .time-num{background:var(--gold);color:var(--navy-deep)}
.time-card h3{font-family:'Playfair Display',serif;font-size:22px;color:var(--navy);margin-bottom:6px}
.time-tag{font-size:12px;color:var(--teal);font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:14px}
.time-card p:last-child{font-size:14px;color:var(--text-soft);line-height:1.6}

/* COMPARISON TABLE (14) */
.table-wrap{max-width:1000px;margin:0 auto;overflow-x:auto;border-radius:14px;box-shadow:0 6px 24px rgba(10,35,66,.08)}
.compare-table{width:100%;border-collapse:collapse;background:#fff;font-size:14px}
.compare-table th{background:var(--navy);color:#fff;padding:18px 14px;text-align:left;font-weight:700;font-size:14px}
.compare-table th:nth-child(2){background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy-deep)}
.compare-table td{padding:14px;border-bottom:1px solid var(--border);color:var(--text-soft)}
.compare-table td:nth-child(2){background:#fffdf6;color:var(--navy);font-weight:600}
.compare-table tr:last-child td{border-bottom:none}

/* REVIEWS (15) */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.review-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;transition:transform .2s,box-shadow .2s}
.review-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(10,35,66,.08)}
.review-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.review-head img{width:54px;height:54px;border-radius:50%;object-fit:cover}
.review-head strong{display:block;color:var(--navy);font-size:15px}
.review-head .loc{font-size:12px;color:var(--text-soft)}
.stars{color:var(--gold);font-size:14px;margin-top:2px;letter-spacing:1px}
.verified{margin-left:auto;background:#e6f9ed;color:#1b8a47;padding:3px 9px;border-radius:4px;font-size:11px;font-weight:600}
.review-card p{font-size:14px;color:var(--text);line-height:1.65;font-style:italic}

/* GUARANTEE BLOCK (16) */
.guarantee-block{text-align:center;max-width:780px;margin:0 auto}
.seal{width:170px;height:170px;border-radius:50%;background:conic-gradient(from 0deg,var(--gold) 0%,var(--gold-light) 25%,var(--gold) 50%,var(--gold-light) 75%,var(--gold) 100%);margin:0 auto 26px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 40px rgba(212,164,55,.4)}
.seal-inner{width:140px;height:140px;border-radius:50%;background:var(--navy-deep);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px}
.seal-top{color:var(--gold-light);font-size:14px;font-weight:700;letter-spacing:1px}
.seal-mid{color:#fff;font-family:'Playfair Display',serif;font-size:34px;font-weight:700;line-height:1;margin:4px 0}
.seal-bot{color:var(--gold-light);font-size:11px;font-weight:700;letter-spacing:1px}
.guarantee-block h2{font-family:'Playfair Display',serif;font-size:32px;color:#fff;margin-bottom:18px}
.guarantee-block p{font-size:16px;color:#c8d4e2;line-height:1.7;margin-bottom:18px}

/* CONTRAINDICATIONS (17) */
.contra-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:920px;margin:30px auto}
.contra-card{background:#fff5f5;border:1px solid #fecaca;border-left:4px solid #c53030;padding:18px 22px;border-radius:10px;font-size:14px;color:var(--text);line-height:1.6}
.contra-card strong{color:#c53030;font-weight:700}
.contra-note{text-align:center;max-width:780px;margin:30px auto 0;font-size:14px;color:var(--text-soft);font-style:italic}

/* FAQ (18) */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:10px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s}
.faq-item[open]{box-shadow:0 4px 16px rgba(10,35,66,.06);border-color:var(--teal)}
.faq-item summary{padding:18px 22px;font-weight:600;font-size:16px;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--teal);font-weight:300;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:var(--bg-soft)}
.faq-item p{padding:0 22px 20px;color:var(--text-soft);font-size:15px;line-height:1.65}

/* REVIEWER (19) */
.reviewer-card{max-width:780px;margin:0 auto;background:linear-gradient(135deg,#f0f9fb 0%,#eaf6f9 100%);border:1px solid #cfe7ec;border-radius:14px;padding:30px;display:flex;gap:24px;align-items:flex-start}
.reviewer-icon{font-size:48px;flex-shrink:0}
.reviewer-label{display:inline-block;background:var(--teal);color:#fff;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:700;letter-spacing:.5px;margin-bottom:8px}
.reviewer-card h3{font-family:'Playfair Display',serif;font-size:22px;color:var(--navy);margin-bottom:10px}
.reviewer-card p{font-size:14px;color:var(--text-soft);line-height:1.65}

/* REFERENCES (20) */
.ref-list{max-width:880px;margin:0 auto;padding-left:24px;color:var(--text-soft)}
.ref-list li{font-size:14px;margin-bottom:14px;line-height:1.65}
.ref-list em{color:var(--navy);font-style:italic}
.ref-list a{color:var(--teal);font-weight:600}

/* FINAL CTA (21) */
.final-cta{text-align:center;padding:80px 20px}
.final-cta h2{font-family:'Playfair Display',serif;font-size:clamp(1.6rem,3vw,2.2rem);color:#fff;margin-bottom:14px}
.final-cta p{color:#c8d4e2;font-size:17px;margin-bottom:26px}
.cta-note{font-size:13px;color:#8a9cb3;margin-top:18px;font-style:italic}

/* FOOTER */
.footer{background:#061732;color:#c8d4e2;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.footer-grid a{display:block;color:#a8b8cc;font-size:14px;margin-bottom:8px;transition:color .2s}
.footer-grid a:hover{color:var(--gold-light)}
.footer-text{font-size:13px;color:#8a9cb3;line-height:1.6}
.footer-disclaimer{border-top:1px solid #1a2d4a;padding-top:24px;font-size:12px;color:#6a7d96;line-height:1.65}
.footer-disclaimer p{margin-bottom:10px}

/* MOBILE STICKY CTA */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy) 100%);padding:12px 16px;z-index:998;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
.mobile-cta a{display:block;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:var(--navy-deep);padding:14px;text-align:center;border-radius:50px;font-weight:700;font-size:15px}

/* RESPONSIVE — 900px */
@media(max-width:900px){
  .section{padding:60px 0}
  .section-dark{padding:60px 0}
  .two-col{grid-template-columns:1fr;gap:36px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .mechanism-grid{grid-template-columns:repeat(2,1fr)}
  .ingredient-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr 1fr}
  .pricing-grid{grid-template-columns:1fr;gap:30px;max-width:420px;margin:0 auto 60px}
  .price-card.best-value{transform:scale(1)}
  .price-card.best-value:hover{transform:translateY(-4px)}
  .bonus-grid{grid-template-columns:1fr;max-width:520px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .contra-grid{grid-template-columns:1fr}
  .reviewer-card{flex-direction:column;text-align:center}
  .mobile-cta{display:block}
  body{padding-bottom:70px}
}

/* RESPONSIVE — 560px (small phones) */
@media(max-width:560px){
  .container{padding:0 16px}
  .section,.section-dark{padding:48px 0}
  .pain-grid{grid-template-columns:1fr}
  .mechanism-grid{grid-template-columns:1fr}
  .ingredient-grid{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .timeline-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .bonus-card{flex-direction:column;text-align:center}
  .bonus-card img{width:100%;max-width:280px}
  .section-title{font-size:1.7rem}
  .seal{width:140px;height:140px}
  .seal-inner{width:115px;height:115px}
  .seal-mid{font-size:28px}
  .ai-block{padding:18px 20px}
  .reviewer-card{padding:24px 20px}
  .price-each{font-size:36px}
  .review-head{gap:10px}
  .verified{margin-left:0}
  .compare-table{font-size:13px}
  .compare-table th,.compare-table td{padding:10px 8px}
}