/* ================================================
   NERVE CALM — styles.css
   Design: Medical Professional + Premium Feel
   Primary: #1E40AF | Accent: #3B82F6 | Highlight: #06B6D4
   Fonts: Montserrat (headings) + Open Sans (body)
   ================================================ */

/* ---- RESET & BASE ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;}
*{-webkit-tap-highlight-color:transparent;}
body{font-family:'Open Sans',sans-serif;color:#1e293b;background:#fff;overflow-x:hidden;line-height:1.7;}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}

/* ---- CSS VARIABLES ---- */
:root{
  --blue-dark:#1E40AF;
  --blue-mid:#3B82F6;
  --blue-light:#93C5FD;
  --cyan:#06B6D4;
  --green:#10B981;
  --amber:#F59E0B;
  --red:#EF4444;
  --white:#ffffff;
  --off-white:#f0f7ff;
  --text-dark:#0f172a;
  --text-mid:#334155;
  --text-light:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(30,64,175,0.08);
  --shadow-md:0 8px 24px rgba(30,64,175,0.14);
  --shadow-lg:0 20px 60px rgba(30,64,175,0.18);
  --gradient:linear-gradient(135deg,var(--blue-dark),var(--cyan));
  --gradient-soft:linear-gradient(135deg,#eff6ff,#ecfeff);
}

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5{font-family:'Montserrat',sans-serif;font-weight:700;line-height:1.25;color:var(--text-dark);}
h1{font-size:clamp(26px,5vw,52px);font-weight:900;}
h2{font-size:clamp(22px,3.5vw,38px);font-weight:800;}
h3{font-size:clamp(18px,2.5vw,24px);}
h4{font-size:clamp(16px,2vw,20px);}
p{font-size:clamp(15px,1.5vw,17px);color:var(--text-mid);line-height:1.75;}

/* ---- CONTAINERS ---- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section-pad{padding:80px 0;}

/* ---- SECTION HEADERS ---- */
.section-header{text-align:center;margin-bottom:50px;}
.section-eyebrow{display:inline-block;font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue-mid);background:#eff6ff;border:1px solid var(--blue-light);border-radius:50px;padding:6px 18px;margin-bottom:14px;}
.section-sub{max-width:600px;margin:12px auto 0;font-size:17px;color:var(--text-light);}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* ---- BUTTONS ---- */
.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-height:52px;padding:14px 32px;border-radius:50px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:16px;cursor:pointer;transition:all 0.25s ease;border:none;text-align:center;line-height:1.3;}
.btn-sub{font-size:12px;font-weight:600;opacity:0.85;margin-top:3px;}
.btn-hero,.btn-final{background:var(--gradient);color:#fff;box-shadow:0 8px 32px rgba(6,182,212,0.35);width:100%;max-width:460px;}
.btn-hero:hover,.btn-final:hover{transform:scale(1.04);box-shadow:0 12px 40px rgba(6,182,212,0.45);}
.btn-nav{background:var(--gradient);color:#fff;font-size:14px;padding:10px 24px;min-height:44px;}
.btn-primary{background:var(--blue-dark);color:#fff;padding:14px 36px;}
.btn-primary:hover{background:var(--blue-mid);transform:scale(1.04);}
.btn-price{background:var(--gradient);color:#fff;width:100%;justify-content:center;gap:8px;font-size:15px;}
.btn-price:hover{transform:scale(1.04);box-shadow:var(--shadow-md);}
.btn-price-pop{background:linear-gradient(135deg,#10B981,#059669);box-shadow:0 8px 24px rgba(16,185,129,0.35);}
.btn-footer-cta{background:var(--gradient);color:#fff;font-size:14px;padding:12px 24px;min-height:48px;}
.pulse-btn{animation:pulseCta 2.2s infinite;}
@keyframes pulseCta{0%,100%{box-shadow:0 8px 32px rgba(6,182,212,0.35);}50%{box-shadow:0 8px 48px rgba(6,182,212,0.6),0 0 0 8px rgba(6,182,212,0.12);}}

/* ---- FLOATING ANIMATION ---- */
.floating{animation:floatAnim 3.5s ease-in-out infinite;}
@keyframes floatAnim{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

/* ---- FADE ANIMATIONS ---- */
.fade-up,.fade-left,.fade-right{opacity:0;transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-up{transform:translateY(40px);}
.fade-left{transform:translateX(-40px);}
.fade-right{transform:translateX(40px);}
.fade-up.visible,.fade-left.visible,.fade-right.visible{opacity:1;transform:none;}
.fade-up{transition-delay:var(--delay,0s);}

/* ====== SECTION 1: NAVBAR ====== */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:all 0.3s ease;padding:12px 0;}
.navbar.scrolled{padding:8px 0;box-shadow:var(--shadow-md);}
.nav-container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:'Montserrat',sans-serif;font-size:22px;font-weight:900;color:var(--blue-dark);}
.logo-img{width:40px;height:40px;border-radius:8px;object-fit:cover;}
.logo-accent{color:var(--cyan);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:600;color:var(--text-mid);transition:color 0.2s;padding:6px 0;border-bottom:2px solid transparent;}
.nav-link:hover{color:var(--blue-dark);border-bottom-color:var(--blue-mid);}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.hamburger span{display:block;width:26px;height:2.5px;background:var(--blue-dark);border-radius:4px;transition:all 0.3s;}
.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

/* ====== SECTION 2: HERO ====== */
.hero-section{position:relative;padding:140px 0 80px;background:linear-gradient(160deg,#eff6ff 0%,#ecfeff 50%,#f0fdf4 100%);overflow:hidden;}
.hero-bg-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,0.12),transparent 70%);top:-100px;right:-100px;pointer-events:none;}
.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.hero-image-wrap{position:relative;display:flex;justify-content:center;align-items:center;}
.hero-img-glow{position:absolute;width:80%;height:80%;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,0.18),transparent 70%);}
.hero-product-img{position:relative;z-index:2;max-width:360px;filter:drop-shadow(0 20px 40px rgba(30,64,175,0.2));}
.hero-badge-float{position:absolute;z-index:3;background:#fff;border:1.5px solid var(--blue-light);border-radius:50px;padding:8px 16px;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;color:var(--blue-dark);box-shadow:var(--shadow-sm);white-space:nowrap;}
.badge-left{left:0;top:30%;}
.badge-right{right:0;bottom:30%;}
.hero-eyebrow{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:700;color:var(--blue-mid);margin-bottom:16px;}
.hero-h1{margin-bottom:20px;}
.hero-desc{margin-bottom:14px;}
.hero-stats{display:flex;align-items:center;gap:0;margin:24px 0;}
.stat-item{text-align:center;padding:0 20px;}
.stat-num{display:block;font-family:'Montserrat',sans-serif;font-size:22px;font-weight:900;color:var(--blue-dark);}
.stat-lbl{font-size:12px;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:1px;}
.stat-divider{width:1px;height:44px;background:var(--border);}
.hero-guarantee{font-size:13px;color:var(--text-light);margin-top:14px;text-align:center;}
.hero-wave{position:absolute;bottom:0;left:0;width:100%;line-height:0;}
.hero-wave svg{width:100%;height:60px;}

/* ====== SECTION 3: WHY US ====== */
.why-section{background:#fff;}
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.why-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:30px 22px;text-align:center;transition:all 0.3s ease;box-shadow:var(--shadow-sm);}
.why-card:hover{transform:scale(1.05) rotate(1deg);box-shadow:var(--shadow-lg);border-color:var(--blue-light);}
.why-icon-wrap{width:80px;height:80px;margin:0 auto 18px;border-radius:50%;background:var(--gradient-soft);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.why-icon{width:60px;height:60px;object-fit:contain;}
.why-card h3{font-size:16px;margin-bottom:10px;color:var(--blue-dark);}
.why-card p{font-size:14px;color:var(--text-light);line-height:1.65;}

/* ====== SECTION 4: WHAT IS ====== */
.what-section{background:var(--off-white);}
.what-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.what-image{position:relative;}
.what-img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;}
.what-img-badge{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;padding:10px 24px;border-radius:50px;font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;white-space:nowrap;box-shadow:var(--shadow-md);}
.what-content h2{margin-bottom:18px;}
.what-content p{margin-bottom:16px;}
.what-content .btn{margin-top:10px;}

/* ====== SECTION 5: HOW IT WORKS ====== */
.how-section{background:#fff;}
.accordion-list,.faq-list,.science-accordion{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.accordion-item{border:1.5px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:#fff;transition:border-color 0.3s;}
.accordion-item.active,.accordion-item:focus-within{border-color:var(--blue-mid);}
.accordion-header{width:100%;display:flex;align-items:center;gap:14px;padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;font-family:'Montserrat',sans-serif;font-size:16px;font-weight:700;color:var(--text-dark);transition:background 0.2s;min-height:56px;}
.accordion-header:hover{background:var(--off-white);}
.acc-icon{font-size:20px;flex-shrink:0;}
.accordion-header span:nth-child(2){flex:1;}
.acc-arrow{margin-left:auto;font-size:12px;color:var(--blue-mid);transition:transform 0.3s;flex-shrink:0;}
.accordion-item.active .acc-arrow{transform:rotate(180deg);}
.accordion-body{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding:0 22px;}
.accordion-item.active .accordion-body{max-height:400px;padding:4px 22px 22px;}
.accordion-body p{font-size:15px;color:var(--text-mid);}

/* ====== SECTION 6: REVIEWS ====== */
.reviews-section{background:var(--off-white);}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);border:1.5px solid var(--border);transition:all 0.3s;}
.review-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue-light);}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.review-avatar{width:56px;height:56px;border-radius:50%;object-fit:cover;border:3px solid var(--blue-light);flex-shrink:0;}
.review-name{font-family:'Montserrat',sans-serif;font-weight:700;font-size:15px;color:var(--text-dark);}
.review-loc{font-size:12px;color:var(--text-light);font-weight:400;}
.review-stars{font-size:14px;margin-top:3px;}
.review-text{font-size:14px;line-height:1.7;color:var(--text-mid);}
.reviews-aggregate{text-align:center;margin-top:36px;}
.reviews-aggregate p{font-size:16px;color:var(--text-mid);margin-top:10px;}
.five-star-img{max-width:200px;margin:0 auto;}

/* ====== SECTION 7 & 13: PRICING ====== */
.pricing-section{background:#fff;}
.pricing-2{background:var(--off-white);}
.countdown-wrap{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:40px;flex-wrap:wrap;}
.countdown-label{font-family:'Montserrat',sans-serif;font-size:16px;font-weight:700;color:var(--blue-dark);}
.countdown-timer{display:flex;align-items:center;gap:8px;}
.time-block{background:var(--blue-dark);color:#fff;padding:12px 20px;border-radius:var(--radius-sm);text-align:center;min-width:70px;box-shadow:var(--shadow-sm);}
.time-block span{display:block;font-family:'Montserrat',sans-serif;font-size:32px;font-weight:900;line-height:1;}
.time-block label{font-size:11px;font-weight:700;letter-spacing:1.5px;opacity:0.8;margin-top:4px;display:block;}
.colon{font-family:'Montserrat',sans-serif;font-size:32px;font-weight:900;color:var(--blue-dark);line-height:1;}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto;}
.price-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:28px 22px;text-align:center;position:relative;transition:all 0.3s;box-shadow:var(--shadow-sm);}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.price-popular{border:2.5px solid var(--green);background:linear-gradient(180deg,#f0fdf4,#fff);box-shadow:0 8px 32px rgba(16,185,129,0.18);}
.popular-ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#10B981,#059669);color:#fff;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;padding:6px 20px;border-radius:50px;white-space:nowrap;}
.price-label{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:800;letter-spacing:2px;color:var(--blue-dark);text-transform:uppercase;margin-bottom:6px;}
.price-qty{font-family:'Montserrat',sans-serif;font-size:22px;font-weight:900;color:var(--text-dark);margin-bottom:2px;}
.price-supply{font-size:13px;color:var(--text-light);margin-bottom:14px;}
.price-img{max-height:130px;width:auto;margin:0 auto 14px;object-fit:contain;}
.price-per{font-family:'Montserrat',sans-serif;font-size:30px;font-weight:900;color:var(--blue-dark);margin-bottom:6px;}
.price-unit{font-size:16px;font-weight:700;color:var(--text-light);}
.price-total{font-size:15px;color:var(--text-mid);margin-bottom:14px;}
.price-total s{color:var(--red);}
.price-total strong{color:var(--green);}
.price-badges{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.badge-free{display:inline-block;background:#f0fdf4;border:1px solid #86efac;color:#166534;font-size:12px;font-weight:700;padding:5px 12px;border-radius:50px;}
.badge-ship{display:inline-block;background:#eff6ff;border:1px solid var(--blue-light);color:var(--blue-dark);font-size:12px;font-weight:700;padding:5px 12px;border-radius:50px;}
.atc-icon{width:16px;height:16px;display:inline-block;object-fit:contain;}
.payment-logos{max-width:180px;margin:12px auto 0;opacity:0.75;}
.pricing-stars{text-align:center;margin-top:30px;}

/* ====== SECTION 8: BONUS ====== */
.bonus-section{background:linear-gradient(135deg,#eff6ff,#ecfeff);}
.bonus-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;max-width:860px;margin:0 auto;}
.bonus-card{background:#fff;border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow-md);border:1.5px solid var(--blue-light);transition:transform 0.3s;}
.bonus-card:hover{transform:translateY(-6px);}
.bonus-tag{display:inline-block;background:var(--gradient);color:#fff;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;padding:6px 18px;border-radius:50px;margin-bottom:16px;}
.bonus-img{max-height:200px;width:auto;margin:0 auto 18px;border-radius:var(--radius-sm);}
.bonus-card h3{margin-bottom:12px;font-size:18px;}
.bonus-card p{font-size:14px;color:var(--text-light);}

/* ====== SECTION 9: INGREDIENTS ====== */
.ingredients-section{background:#fff;}
.ingredients-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.ingredient-card{background:var(--off-white);border-radius:var(--radius-sm);padding:22px;border-left:4px solid var(--blue-mid);transition:all 0.3s;}
.ingredient-card:hover{background:#eff6ff;box-shadow:var(--shadow-sm);}
.ingredient-card h3{font-size:16px;margin-bottom:8px;color:var(--blue-dark);}
.ingredient-card p{font-size:14px;color:var(--text-mid);}

/* ====== SECTION 10: SCIENCE ====== */
.science-section{background:var(--off-white);}

/* ====== SECTION 11: GUARANTEE ====== */
.guarantee-section{background:#fff;}
.guarantee-container{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;align-items:center;}
.guarantee-img{max-width:320px;margin:0 auto;filter:drop-shadow(0 10px 30px rgba(30,64,175,0.15));}
.guarantee-content h2{margin-bottom:16px;}
.guarantee-content>p{margin-bottom:24px;}
.guarantee-points{display:flex;flex-direction:column;gap:20px;}
.guarantee-point{display:flex;gap:16px;align-items:flex-start;}
.g-icon{font-size:28px;flex-shrink:0;margin-top:2px;}
.guarantee-point h4{margin-bottom:6px;}
.guarantee-point p{font-size:14px;color:var(--text-light);}

/* ====== SECTION 12: BENEFITS ====== */
.benefits-section{background:var(--off-white);}
.benefits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:900px;margin:0 auto;}
.benefit-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:var(--radius-sm);padding:20px;box-shadow:var(--shadow-sm);border:1.5px solid var(--border);transition:all 0.3s;}
.benefit-item:hover{border-color:var(--blue-light);box-shadow:var(--shadow-md);}
.benefit-check{font-size:22px;flex-shrink:0;margin-top:2px;}
.benefit-item h4{margin-bottom:6px;font-size:15px;}
.benefit-item p{font-size:13px;color:var(--text-light);}

/* ====== SECTION 14: FAQ ====== */
.faq-section{background:#fff;}

/* ====== SECTION 15: FINAL CTA ====== */
.final-cta-section{position:relative;padding:100px 0;overflow:hidden;background:linear-gradient(135deg,#1e3a8a 0%,#1e40af 40%,#0e7490 100%);}
.final-cta-bg{position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");}
.final-cta-container{position:relative;display:grid;grid-template-columns:1fr 1.4fr;gap:60px;align-items:center;}
.final-cta-image{position:relative;display:flex;justify-content:center;}
.final-img-glow{position:absolute;width:70%;height:70%;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,0.3),transparent 70%);}
.final-product-img{position:relative;z-index:2;max-width:320px;filter:drop-shadow(0 20px 50px rgba(0,0,0,0.3));}
.final-eyebrow{display:inline-block;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;}
.final-cta-content h2{color:#fff;margin-bottom:20px;}
.final-pricing{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.final-old-price{font-size:16px;color:rgba(255,255,255,0.65);}
.final-old-price s{color:var(--red);}
.final-new-price{font-family:'Montserrat',sans-serif;font-size:28px;font-weight:900;color:var(--cyan);}
.final-checklist{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;}
.final-checklist li{color:rgba(255,255,255,0.9);font-size:15px;font-weight:600;}
.final-guarantee{font-size:13px;color:rgba(255,255,255,0.7);margin-top:12px;text-align:center;}
.final-cards{max-width:220px;margin:12px auto 0;opacity:0.7;}

/* ====== FOOTER ====== */
.footer{background:#0f172a;color:#94a3b8;padding:60px 0 0;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-brand .nav-logo{color:#fff;margin-bottom:14px;}
.footer-brand .logo-img{width:36px;height:36px;}
.footer-brand p{font-size:14px;line-height:1.7;max-width:280px;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.social-link{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:#94a3b8;transition:all 0.2s;}
.social-link:hover{background:var(--blue-mid);color:#fff;}
.footer-links-col h4{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:700;color:#e2e8f0;margin-bottom:14px;}
.footer-links-col a{display:block;font-size:14px;color:#64748b;padding:5px 0;transition:color 0.2s;}
.footer-links-col a:hover{color:#e2e8f0;}
.footer-legal-links{display:flex;flex-direction:column;gap:2px;}
.footer-disclaimer{border-top:1px solid #1e293b;padding:24px 0;font-size:12px;color:#475569;line-height:1.7;}
.footer-bottom{border-top:1px solid #1e293b;padding:20px 0;text-align:center;font-size:13px;}
.footer-bottom a{color:var(--blue-light);}

/* ====== NOTIFICATION POPUP ====== */
.notif-popup{position:fixed;bottom:24px;left:20px;z-index:9000;background:#fff;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,0.18);border:1px solid var(--border);padding:14px 18px;transform:translateX(-120%);transition:transform 0.4s cubic-bezier(0.34,1.56,0.64,1);max-width:300px;min-width:250px;}
.notif-popup.show{transform:translateX(0);}
.notif-inner{display:flex;align-items:center;gap:12px;}
.notif-img{width:44px;height:44px;border-radius:8px;object-fit:cover;flex-shrink:0;}
.notif-text{font-size:13px;line-height:1.5;flex:1;}
.notif-close{background:none;border:none;cursor:pointer;font-size:18px;color:#94a3b8;padding:4px;flex-shrink:0;}
.notif-close:hover{color:var(--red);}

/* ====== EXIT POPUP ====== */
.exit-popup-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.7);z-index:9999;align-items:center;justify-content:center;padding:20px;}
.exit-popup-overlay.active{display:flex;}
.exit-popup-box{background:#fff;border-radius:20px;padding:36px 28px;max-width:440px;width:100%;text-align:center;position:relative;box-shadow:0 24px 80px rgba(0,0,0,0.35);}
.exit-close{position:absolute;top:14px;right:14px;background:var(--blue-mid);border:none;color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;font-weight:700;z-index:10;}
.exit-popup-badge{display:inline-block;background:linear-gradient(135deg,var(--red),#f97316);color:#fff;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;padding:6px 18px;border-radius:50px;margin-bottom:16px;letter-spacing:1px;}
.exit-popup-img{max-width:120px;margin:0 auto 16px;}
.exit-popup-box h3{font-family:'Montserrat',sans-serif;font-size:20px;font-weight:800;color:var(--text-dark);margin-bottom:10px;}
.exit-popup-box p{font-size:15px;color:var(--text-mid);margin-bottom:20px;}
.exit-popup-btn{display:block;background:var(--gradient);color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:16px;padding:14px 24px;border-radius:50px;margin-bottom:12px;transition:transform 0.2s;}
.exit-popup-btn:hover{transform:scale(1.04);}
.exit-popup-sub{font-size:12px;color:var(--text-light);}

/* ====== SCROLL TO TOP ====== */
.scroll-top-btn{display:none;position:fixed;bottom:24px;right:20px;width:52px;height:52px;background:var(--gradient);color:#fff;border:none;border-radius:50%;font-size:18px;cursor:pointer;z-index:8000;box-shadow:var(--shadow-md);transition:all 0.2s;align-items:center;justify-content:center;}
.scroll-top-btn.show{display:flex;}
.scroll-top-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-lg);}

/* ============================
   RESPONSIVE — MOBILE FIRST
   ============================ */

/* Tablet (up to 1024px) */
@media(max-width:1024px){
  .cards-grid,.pricing-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .hero-container{gap:40px;}
  .what-container,.guarantee-container,.final-cta-container{gap:40px;}
}

/* Tablet narrow (up to 768px) */
@media(max-width:768px){
  .section-pad{padding:60px 0;}
  /* Nav */
  .hamburger{display:flex;}
  .nav-links{display:none;position:fixed;top:0;right:0;height:100vh;width:280px;background:#fff;flex-direction:column;align-items:flex-start;padding:80px 32px 40px;gap:8px;box-shadow:-4px 0 30px rgba(0,0,0,0.12);z-index:999;transition:transform 0.35s cubic-bezier(0.4,0,0.2,1);transform:translateX(100%);}
  .nav-links.open{display:flex;transform:translateX(0);}
  .nav-link{font-size:17px;padding:12px 0;width:100%;border-bottom:1px solid var(--border);}
  .btn-nav{width:100%;justify-content:center;margin-top:12px;}
  /* Hero */
  .hero-section{padding:100px 0 60px;}
  .hero-container{grid-template-columns:1fr;gap:30px;}
  .hero-image-wrap{order:-1;}
  .hero-product-img{max-width:260px;}
  .badge-left{left:10px;}
  .badge-right{right:10px;}
  .hero-stats{justify-content:center;}
  .stat-item{padding:0 14px;}
  .btn-hero{max-width:100%;}
  /* Why */
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  /* What */
  .what-container{grid-template-columns:1fr;}
  .what-image{order:-1;}
  /* Reviews */
  .reviews-grid{grid-template-columns:1fr;}
  /* Pricing */
  .pricing-grid{grid-template-columns:1fr;}
  .price-popular{order:-1;}
  /* Bonus */
  .bonus-grid{grid-template-columns:1fr;}
  /* Ingredients */
  .ingredients-grid{grid-template-columns:1fr;}
  /* Guarantee */
  .guarantee-container{grid-template-columns:1fr;}
  .guarantee-image{order:-1;}
  /* Benefits */
  .benefits-grid{grid-template-columns:1fr;}
  /* Final CTA */
  .final-cta-container{grid-template-columns:1fr;gap:36px;}
  .final-product-img{max-width:220px;}
  .final-cta-content h2{color:#fff;}
  /* Footer */
  .footer-top{grid-template-columns:1fr;gap:30px;}
  .footer-brand{text-align:center;}
  .footer-brand p{margin:0 auto;}
  .footer-social{justify-content:center;}
  .footer-links-col{text-align:center;}
  .footer-legal-links{align-items:center;}
  .footer-bottom{text-align:center;}
}

/* Phone (up to 575px) */
@media(max-width:575px){
  .section-pad{padding:48px 0;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  /* Hero */
  .hero-badge-float{font-size:10px;padding:6px 12px;}
  .stat-item .stat-num{font-size:18px;}
  .stat-item .stat-lbl{font-size:11px;}
  /* Why — single column */
  .cards-grid{grid-template-columns:1fr;}
  /* Pricing */
  .time-block span{font-size:26px;}
  .time-block{min-width:58px;padding:10px 14px;}
  .colon{font-size:26px;}
  /* Notif */
  .notif-popup{left:12px;right:12px;max-width:none;}
}

/* Small phones (up to 380px) */
@media(max-width:380px){
  .container{padding:0 14px;}
  h1{font-size:23px;}
  h2{font-size:20px;}
  .btn{font-size:14px;padding:12px 20px;}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .floating{animation:none!important;}
}