/* ===== NEURO SALT - MEDICAL PROFESSIONAL DESIGN ===== */
/* Colors: Deep Blue #1E40AF, Med Blue #3B82F6, Light Blue #93C5FD, White */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Open+Sans:wght@400;500;600&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #1E40AF;
  --primary-dark: #1e3a8a;
  --secondary: #3B82F6;
  --accent: #06B6D4;
  --accent-light: #93C5FD;
  --gold: #F59E0B;
  --success: #10B981;
  --danger: #EF4444;
  --white: #ffffff;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(30,64,175,0.12);
  --shadow-lg: 0 8px 40px rgba(30,64,175,0.2);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ===== 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: var(--font-body); color: var(--gray-800); background: var(--white); 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; }
input, select, textarea { font-size: 16px; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--gray-900); }
h1 { font-size: clamp(26px, 5vw, 52px); font-weight: 900; }
h2 { font-size: clamp(22px, 4vw, 38px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
h4 { font-size: clamp(16px, 2.5vw, 20px); }
p { font-size: 16px; line-height: 1.8; color: var(--gray-600); }
strong { color: var(--gray-800); }

/* ===== CONTAINER ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .container { padding: 0 30px; } }
@media (min-width: 1024px) { .container { padding: 0 40px; } }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: 50px; font-family: var(--font-heading); font-weight: 700; font-size: 16px; cursor: pointer; border: none; transition: var(--transition); min-height: 48px; text-align: center; line-height: 1.2; }
.btn-primary { background: linear-gradient(135deg, var(--secondary), var(--primary)); color: var(--white); box-shadow: 0 4px 20px rgba(59,130,246,0.4); }
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(59,130,246,0.5); }
.btn-gold { background: linear-gradient(135deg, #F59E0B, #D97706); color: var(--white); box-shadow: 0 4px 20px rgba(245,158,11,0.4); }
.btn-gold:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(245,158,11,0.5); }
.btn-lg { padding: 18px 40px; font-size: 18px; min-height: 56px; }
.btn-full { width: 100%; }
@media (max-width: 575px) { .btn { font-size: 15px; } .btn-lg { padding: 16px 28px; font-size: 16px; } }

/* ===== SECTION COMMON ===== */
section { padding: 60px 0; }
@media (min-width: 768px) { section { padding: 80px 0; } }
@media (min-width: 1024px) { section { padding: 100px 0; } }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { color: var(--primary); position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: linear-gradient(90deg, var(--secondary), var(--accent)); border-radius: 2px; margin: 14px auto 0; }
.section-title p { margin-top: 16px; font-size: 17px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ===== FADE IN ANIMATION ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.slide-up { opacity: 0; transform: translateY(50px); transition: opacity 0.6s ease, transform 0.6s ease; }
.slide-up.visible { opacity: 1; transform: translateY(0); }
.slide-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.slide-left.visible { opacity: 1; transform: translateX(0); }
.slide-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.slide-right.visible { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-in, .slide-up, .slide-left, .slide-right { opacity: 1; transform: none; transition: none; }
}

/* ===========================
   SECTION 1: NAVIGATION
   =========================== */
#navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(10px); box-shadow: 0 2px 20px rgba(30,64,175,0.1); transition: var(--transition); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.nav-logo-text { font-family: var(--font-heading); font-weight: 800; font-size: 20px; color: var(--primary); }
.nav-logo-text span { color: var(--accent); }
.nav-links { display: none; gap: 30px; }
.nav-links a { font-family: var(--font-heading); font-weight: 600; font-size: 14px; color: var(--gray-700); transition: var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--secondary); transition: width 0.3s; }
.nav-links a:hover { color: var(--secondary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: none; }
.hamburger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; border-radius: 8px; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); transition: var(--transition); border-radius: 2px; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 64px; left: 0; width: 100%; background: var(--white); box-shadow: 0 10px 30px rgba(30,64,175,0.15); z-index: 999; transform: translateY(-110%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); padding: 20px; }
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { display: block; padding: 14px 16px; font-family: var(--font-heading); font-weight: 600; color: var(--gray-700); border-bottom: 1px solid var(--gray-100); border-radius: 8px; transition: var(--transition); }
.mobile-menu a:hover { color: var(--secondary); background: var(--gray-50); }
.mobile-menu .btn { margin-top: 16px; width: 100%; }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-cta { display: block; }
  .hamburger { display: none; }
  .nav-inner { padding: 16px 0; }
}

/* ===========================
   SECTION 2: HERO
   =========================== */
.hero { min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 50%, #E0F2FE 100%); padding-top: 80px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-inner { display: flex; flex-direction: column; align-items: center; gap: 40px; padding: 40px 0; }
.hero-image { position: relative; flex: 0 0 auto; }
.hero-image img { width: 280px; max-width: 100%; filter: drop-shadow(0 20px 40px rgba(30,64,175,0.25)); animation: floatProduct 4s ease-in-out infinite; }
.hero-badge { position: absolute; top: 10px; right: -10px; background: linear-gradient(135deg, var(--gold), #D97706); color: white; font-family: var(--font-heading); font-weight: 700; font-size: 12px; padding: 6px 14px; border-radius: 20px; box-shadow: 0 4px 12px rgba(245,158,11,0.4); animation: pulse 2s ease-in-out infinite; }
.hero-content { text-align: center; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: var(--secondary); font-family: var(--font-heading); font-weight: 700; font-size: 12px; padding: 6px 16px; border-radius: 50px; letter-spacing: 1px; margin-bottom: 20px; text-transform: uppercase; }
.hero-content h1 { color: var(--primary-dark); margin-bottom: 20px; }
.hero-content h1 span { color: var(--secondary); background: linear-gradient(135deg, var(--secondary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content p { margin-bottom: 16px; font-size: 17px; }
.hero-stars { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 24px; }
.hero-stars .stars { color: var(--gold); font-size: 20px; }
.hero-stars span { font-weight: 600; color: var(--gray-700); font-size: 14px; }
.hero-cta { display: flex; flex-direction: column; gap: 16px; align-items: center; }
.hero-cta-note { font-size: 13px; color: var(--gray-600); }
.hero-cta-note span { color: var(--success); font-weight: 600; }

@keyframes floatProduct {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(1deg); }
  66% { transform: translateY(-6px) rotate(-1deg); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@media (min-width: 768px) {
  .hero-inner { flex-direction: row; text-align: left; gap: 60px; padding: 60px 0; }
  .hero-image img { width: 380px; }
  .hero-content { text-align: left; }
  .hero-stars { justify-content: flex-start; }
  .hero-cta { flex-direction: row; }
}

/* ===========================
   SECTION 3: WHY CHOOSE US
   =========================== */
.why-choose { background: var(--white); }
.badges-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.badge-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; transition: var(--transition); cursor: default; }
.badge-card:hover { transform: scale(1.03) rotate(1deg); box-shadow: var(--shadow-lg); border-color: var(--accent-light); background: white; }
.badge-card img { width: 80px; height: 80px; margin: 0 auto 20px; object-fit: contain; }
.badge-card h3 { color: var(--primary); margin-bottom: 12px; font-size: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-card p { font-size: 15px; }

@media (min-width: 576px) { .badges-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .badges-grid { grid-template-columns: repeat(4, 1fr); } }

/* ===========================
   SECTION 4: WHAT IS
   =========================== */
.what-is { background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%); }
.what-is-inner { display: flex; flex-direction: column; gap: 40px; align-items: center; }
.what-is-image { flex: 0 0 auto; text-align: center; }
.what-is-image img { max-width: 320px; width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.what-is-content h2 { color: var(--primary); margin-bottom: 20px; }
.what-is-content p { margin-bottom: 16px; }
.what-is-features { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.feature-item { display: flex; align-items: flex-start; gap: 12px; }
.feature-icon { width: 24px; height: 24px; min-width: 24px; background: linear-gradient(135deg, var(--secondary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 12px; margin-top: 2px; }
.feature-text { font-size: 15px; color: var(--gray-700); }

@media (min-width: 768px) {
  .what-is-inner { flex-direction: row; gap: 60px; }
  .what-is-image img { max-width: 400px; }
}

/* ===========================
   SECTION 5: HOW IT WORKS
   =========================== */
.how-it-works { background: var(--white); }
.accordion { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.accordion-item.active { border-color: var(--secondary); box-shadow: var(--shadow); }
.accordion-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; background: white; min-height: 44px; transition: var(--transition); gap: 12px; }
.accordion-header:hover { background: var(--gray-50); }
.accordion-header h3 { font-size: 16px; color: var(--primary); display: flex; align-items: center; gap: 12px; margin: 0; }
.accordion-header h3 .acc-num { width: 32px; height: 32px; min-width: 32px; background: linear-gradient(135deg, var(--secondary), var(--primary)); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.accordion-icon { width: 28px; height: 28px; min-width: 28px; border-radius: 50%; background: var(--gray-100); display: flex; align-items: center; justify-content: center; color: var(--primary); transition: transform 0.3s; font-size: 16px; }
.accordion-item.active .accordion-icon { transform: rotate(180deg); background: var(--secondary); color: white; }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1); }
.accordion-body-inner { padding: 0 24px 24px; }
.accordion-body-inner p { color: var(--gray-600); }

/* ===========================
   SECTION 6: REVIEWS
   =========================== */
.reviews { background: linear-gradient(135deg, #F0F9FF 0%, #EEF2FF 100%); }
.reviews-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.review-card { background: white; border-radius: var(--radius-lg); padding: 32px 24px; box-shadow: var(--shadow); transition: var(--transition); }
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.review-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.review-avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent-light); }
.review-info h4 { color: var(--gray-900); margin-bottom: 2px; }
.review-info .location { font-size: 13px; color: var(--gray-600); }
.review-stars { color: var(--gold); font-size: 18px; margin-bottom: 12px; }
.review-text { color: var(--gray-600); font-size: 15px; line-height: 1.7; font-style: italic; }
.verified { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--success); font-weight: 600; margin-top: 12px; }

@media (min-width: 768px) { .reviews-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===========================
   SECTION 7 & 13: PRICING
   =========================== */
.pricing { background: var(--gray-900); color: white; }
.pricing .section-title h2 { color: white; }
.pricing .section-title h2::after { background: linear-gradient(90deg, var(--gold), var(--accent)); }
.pricing .section-title p { color: var(--gray-200); }

/* Countdown Timer */
.countdown-wrapper { text-align: center; margin-bottom: 40px; }
.countdown-label { font-family: var(--font-heading); font-weight: 700; color: var(--accent-light); font-size: 14px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.countdown { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 16px; padding: 16px 24px; }
.countdown-unit { text-align: center; }
.countdown-unit .num { font-family: var(--font-heading); font-weight: 900; font-size: clamp(32px, 6vw, 52px); color: var(--gold); line-height: 1; display: block; min-width: 60px; }
.countdown-unit .label { font-size: 11px; color: var(--gray-200); text-transform: uppercase; letter-spacing: 1px; }
.countdown-sep { font-size: 36px; font-weight: 900; color: var(--gold); opacity: 0.6; margin-bottom: 12px; }

/* Pricing Cards */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1000px; margin: 0 auto; }
.pricing-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; position: relative; transition: var(--transition); }
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.popular { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border: 2px solid var(--gold); transform: scale(1.02); }
.pricing-card.popular:hover { transform: scale(1.02) translateY(-4px); }
.pricing-label { display: inline-block; padding: 6px 20px; border-radius: 50px; font-family: var(--font-heading); font-weight: 700; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.pricing-card .pricing-label { background: rgba(255,255,255,0.15); color: white; }
.pricing-card.popular .pricing-label { background: var(--gold); color: var(--gray-900); }
.pricing-bottles { font-family: var(--font-heading); font-weight: 800; font-size: 20px; color: white; margin-bottom: 4px; }
.pricing-supply { font-size: 14px; color: var(--gray-200); margin-bottom: 20px; }
.pricing-img { width: 140px; height: 140px; object-fit: contain; margin: 0 auto 20px; filter: drop-shadow(0 8px 16px rgba(0,0,0,0.3)); }
.pricing-per { font-size: 13px; color: var(--gray-200); margin-bottom: 4px; }
.pricing-price { font-family: var(--font-heading); font-weight: 900; font-size: 48px; color: white; line-height: 1; margin-bottom: 8px; }
.pricing-price span { font-size: 22px; vertical-align: top; margin-top: 8px; display: inline-block; }
.pricing-total { font-size: 15px; margin-bottom: 8px; }
.pricing-total .old { text-decoration: line-through; color: var(--danger); opacity: 0.8; }
.pricing-total .new { color: var(--success); font-weight: 700; font-size: 16px; }
.pricing-badges { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 16px 0; }
.pricing-badge { background: rgba(16,185,129,0.2); border: 1px solid rgba(16,185,129,0.4); color: #6EE7B7; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px; }
.pricing-btn { display: block; width: 100%; padding: 16px; background: linear-gradient(135deg, var(--gold), #D97706); color: white; font-family: var(--font-heading); font-weight: 700; font-size: 16px; border-radius: 50px; transition: var(--transition); min-height: 50px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.pricing-btn:hover { transform: scale(1.03); box-shadow: 0 8px 24px rgba(245,158,11,0.5); }
.pricing-cards-img { max-width: 200px; margin: 0 auto; opacity: 0.7; }
.five-star-img { max-width: 180px; margin: 30px auto 0; }

@media (min-width: 576px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===========================
   SECTION 8: BONUS
   =========================== */
.bonus { background: white; }
.bonus-grid { display: grid; grid-template-columns: 1fr; gap: 30px; max-width: 700px; margin: 0 auto; }
.bonus-card { border: 2px dashed var(--accent-light); border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; background: linear-gradient(135deg, #EEF2FF, #DBEAFE); transition: var(--transition); }
.bonus-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.bonus-num { display: inline-block; background: var(--gold); color: white; font-family: var(--font-heading); font-weight: 900; font-size: 12px; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 1px; }
.bonus-card img { max-width: 180px; margin: 0 auto 16px; }
.bonus-card h3 { color: var(--primary); }
.bonus-card p { font-size: 15px; margin-top: 10px; }
@media (min-width: 576px) { .bonus-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   SECTION 9: INGREDIENTS
   =========================== */
.ingredients { background: linear-gradient(135deg, #F0F9FF 0%, #EEF2FF 100%); }
.ingredients-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.ingredient-card { background: white; border-radius: var(--radius); padding: 24px; border-left: 4px solid var(--secondary); box-shadow: 0 2px 10px rgba(30,64,175,0.08); transition: var(--transition); }
.ingredient-card:hover { box-shadow: var(--shadow-lg); transform: translateX(4px); }
.ingredient-card h3 { color: var(--primary); font-size: 17px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.ingredient-card h3 .ing-emoji { font-size: 20px; }
.ingredient-card p { font-size: 15px; }
.ingredient-benefit { display: inline-flex; align-items: center; gap: 4px; background: rgba(59,130,246,0.1); color: var(--secondary); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 20px; margin-top: 10px; }

@media (min-width: 768px) { .ingredients-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   SECTION 10: SCIENTIFIC EVIDENCE
   =========================== */
.science { background: white; }
.science-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.science-card { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px 24px; transition: var(--transition); }
.science-card:hover { border-color: var(--accent-light); box-shadow: var(--shadow); }
.science-card h3 { color: var(--primary); margin-bottom: 12px; font-size: 17px; }
.science-card p { font-size: 15px; }
.science-ref { font-size: 13px; color: var(--secondary); font-style: italic; margin-top: 10px; }

@media (min-width: 768px) { .science-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   SECTION 11: GUARANTEE
   =========================== */
.guarantee { background: linear-gradient(135deg, #1E40AF 0%, #1e3a8a 100%); color: white; }
.guarantee-inner { display: flex; flex-direction: column; align-items: center; gap: 40px; }
.guarantee-image img { max-width: 220px; width: 100%; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3)); }
.guarantee-content h2 { color: white; text-align: center; }
.guarantee-content h2::after { margin: 14px auto 0; }
.guarantee-content p { color: rgba(255,255,255,0.85); margin: 16px 0 24px; text-align: center; }
.guarantee-points { display: flex; flex-direction: column; gap: 16px; }
.guarantee-point { display: flex; align-items: flex-start; gap: 16px; background: rgba(255,255,255,0.08); border-radius: var(--radius); padding: 16px 20px; }
.gp-icon { width: 40px; height: 40px; min-width: 40px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.gp-text h4 { color: white; margin-bottom: 4px; font-size: 15px; }
.gp-text p { color: rgba(255,255,255,0.75); font-size: 14px; }

@media (min-width: 768px) {
  .guarantee-inner { flex-direction: row; gap: 60px; }
  .guarantee-content h2, .guarantee-content p { text-align: left; }
  .guarantee-content h2::after { margin: 14px 0 0; }
}

/* ===========================
   SECTION 12: BENEFITS
   =========================== */
.benefits { background: var(--white); }
.benefits-inner { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.benefits-list { display: flex; flex-direction: column; gap: 16px; }
.benefit-item { display: flex; align-items: flex-start; gap: 16px; padding: 16px 20px; background: var(--gray-50); border-radius: var(--radius); border: 1px solid var(--gray-200); transition: var(--transition); }
.benefit-item:hover { background: white; box-shadow: var(--shadow); border-color: var(--accent-light); }
.benefit-check { width: 36px; height: 36px; min-width: 36px; background: linear-gradient(135deg, var(--success), #059669); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 16px; }
.benefit-text h4 { color: var(--primary); font-size: 16px; margin-bottom: 4px; }
.benefit-text p { font-size: 14px; color: var(--gray-600); }

@media (min-width: 768px) { .benefits-inner { grid-template-columns: 1fr 1fr; } }

/* ===========================
   SECTION 14: FAQ
   =========================== */
.faq { background: linear-gradient(135deg, #EEF2FF 0%, #DBEAFE 100%); }
.faq .accordion { max-width: 700px; }

/* ===========================
   SECTION 15: FINAL CTA
   =========================== */
.final-cta { background: linear-gradient(135deg, #0F172A 0%, #1E40AF 100%); color: white; text-align: center; overflow: hidden; position: relative; }
.final-cta::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.final-cta-image { max-width: 280px; width: 100%; margin: 0 auto 30px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4)); animation: floatProduct 4s ease-in-out infinite; }
.final-cta h2 { color: white; margin-bottom: 20px; }
.price-stack { margin-bottom: 30px; }
.price-old { font-size: 22px; color: rgba(255,255,255,0.5); text-decoration: line-through; font-family: var(--font-heading); font-weight: 600; }
.price-new { font-family: var(--font-heading); font-weight: 900; font-size: clamp(36px, 7vw, 56px); color: var(--gold); }
.final-cta .btn { margin: 0 auto; max-width: 400px; display: flex; animation: ctaPulse 2s ease-in-out infinite; }
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(245,158,11,0.4); }
  50% { box-shadow: 0 8px 40px rgba(245,158,11,0.7), 0 0 0 8px rgba(245,158,11,0.1); }
}
.final-guarantee { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; font-size: 14px; color: rgba(255,255,255,0.7); }
.final-guarantee span { color: var(--success); font-weight: 700; }

/* ===========================
   SECTION 16: FOOTER
   =========================== */
footer { background: var(--gray-900); color: white; padding: 60px 0 30px; }
.footer-top { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .nav-logo-text { font-size: 24px; margin-bottom: 16px; display: block; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 14px; line-height: 1.8; }
.footer-col h4 { color: white; font-family: var(--font-heading); font-weight: 700; margin-bottom: 16px; font-size: 15px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 14px; padding: 6px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.social-links { display: flex; gap: 12px; flex-wrap: wrap; }
.social-link { width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 16px; transition: var(--transition); }
.social-link:hover { background: var(--secondary); transform: translateY(-2px); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 30px 0; }
.footer-bottom { display: flex; flex-direction: column; gap: 16px; align-items: center; text-align: center; }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; }
.legal-link { color: rgba(255,255,255,0.6); font-size: 13px; transition: var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.3); font-size: 12px; }
.footer-disclaimer { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.7; max-width: 800px; text-align: center; }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.5); }

@media (min-width: 768px) {
  .footer-top { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ===========================
   PURCHASE NOTIFICATION
   =========================== */
.notif-popup { position: fixed; bottom: 20px; left: 20px; background: white; border-radius: var(--radius); padding: 14px 18px; box-shadow: 0 8px 30px rgba(0,0,0,0.15); display: flex; align-items: center; gap: 12px; max-width: 300px; z-index: 9998; transform: translateX(-120%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); border-left: 4px solid var(--success); }
.notif-popup.show { transform: translateX(0); }
.notif-avatar { width: 40px; height: 40px; min-width: 40px; background: linear-gradient(135deg, var(--secondary), var(--accent)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 16px; }
.notif-text { font-size: 13px; line-height: 1.5; }
.notif-text strong { color: var(--gray-900); display: block; }
.notif-text span { color: var(--gray-600); }
@media (max-width: 480px) { .notif-popup { left: 12px; right: 12px; max-width: none; bottom: 12px; } }

/* ===========================
   SCROLL TO TOP
   =========================== */
#scrollTop { position: fixed; bottom: 80px; right: 20px; width: 56px; height: 56px; background: linear-gradient(135deg, var(--secondary), var(--primary)); color: white; border: none; border-radius: 50%; cursor: pointer; font-size: 20px; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: var(--transition); z-index: 997; }
#scrollTop.visible { opacity: 1; pointer-events: auto; }
#scrollTop:hover { transform: scale(1.1); }

/* ===========================
   POPUP (EXIT INTENT)
   =========================== */
.popup-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 10000; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.popup-overlay.active { opacity: 1; pointer-events: auto; }
.popup-box { background: white; border-radius: var(--radius-lg); max-width: 480px; width: 100%; padding: 36px 28px; text-align: center; position: relative; transform: scale(0.9); transition: transform 0.3s; }
.popup-overlay.active .popup-box { transform: scale(1); }
.popup-close { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; background: var(--gray-100); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; color: var(--gray-700); text-decoration: none; transition: var(--transition); }
.popup-close:hover { background: var(--danger); color: white; }
.popup-tag { display: inline-block; background: var(--danger); color: white; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 1px; }
.popup-box h2 { color: var(--primary); font-size: 24px; margin-bottom: 12px; }
.popup-box p { color: var(--gray-600); margin-bottom: 24px; font-size: 15px; }
.popup-box .btn { margin: 0 auto; max-width: 300px; }
@media (max-width: 480px) {
  .popup-overlay { align-items: flex-end; padding: 0; }
  .popup-box { border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 28px 20px; }
}

/* ===========================
   UTILITY
   =========================== */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-24 { margin-bottom: 24px; }
.highlight { color: var(--secondary); }
.highlight-gold { color: var(--gold); }
.bg-alt { background: var(--gray-50); }

/* ===========================
   STICKY NAV SCROLL
   =========================== */
#navbar.scrolled { box-shadow: 0 4px 30px rgba(30,64,175,0.18); }