/* =============================================
   REDUBURN - COMPLETE STYLES
   Design: Bold Energetic + Medical Trust
   Primary: #0F3460 | Accent: #E94560 | Gold: #F5A623
   Fonts: Montserrat + Open Sans
   ============================================= */

/* ---- 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;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a2e;
  background: #fff;
  overflow-x: hidden;
}

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #0F3460;
  --accent: #E94560;
  --gold: #F5A623;
  --green: #00b894;
  --light-bg: #f8faff;
  --card-bg: #ffffff;
  --shadow: 0 8px 32px rgba(15,52,96,0.12);
  --shadow-lg: 0 20px 60px rgba(15,52,96,0.18);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  --gradient: linear-gradient(135deg, #E94560 0%, #F5A623 100%);
  --gradient-primary: linear-gradient(135deg, #0F3460 0%, #1a5276 100%);
  --gradient-hero: linear-gradient(135deg, #0F3460 0%, #16213e 60%, #0e4d6c 100%);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 4vw, 36px);
  text-align: center;
  margin-bottom: 12px;
  color: var(--primary);
}

.section-sub {
  font-size: clamp(15px, 2vw, 17px);
  text-align: center;
  color: #5a6272;
  margin-bottom: 48px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  min-height: 52px;
  transition: var(--transition);
  text-align: center;
  box-shadow: 0 4px 20px rgba(233,69,96,0.35);
  letter-spacing: 0.3px;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(233,69,96,0.5);
}
.btn-primary:active { transform: scale(0.98); }

.pulse-btn { animation: pulse 2.5s infinite; }
@keyframes pulse {
  0%,100% { box-shadow: 0 4px 20px rgba(233,69,96,0.35); }
  50% { box-shadow: 0 4px 40px rgba(233,69,96,0.65), 0 0 0 8px rgba(233,69,96,0.1); }
}

.glow-btn { animation: glowPulse 2s infinite; }
@keyframes glowPulse {
  0%,100% { box-shadow: 0 0 20px rgba(245,166,35,0.5); }
  50% { box-shadow: 0 0 40px rgba(245,166,35,0.8), 0 0 0 6px rgba(245,166,35,0.15); }
}

/* ---- FADE-IN ON SCROLL ---- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--delay, 0s);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .pulse-btn, .glow-btn { animation: none; }
}

/* ====================================================
   SECTION 1: NAVIGATION
   ==================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15,52,96,0.97);
  backdrop-filter: blur(12px);
  transition: var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar.scrolled {
  background: rgba(15,52,96,1);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  padding: 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: -0.5px;
}
.nav-logo img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
  letter-spacing: 0.2px;
}
.nav-link:hover { color: var(--gold); }

.nav-cta-btn {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 22px;
  border-radius: 50px;
  min-height: 42px;
  display: flex;
  align-items: center;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(233,69,96,0.5); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ====================================================
   SECTION 2: HERO
   ==================================================== */
.hero-section {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  padding: 100px 0 40px;
  position: relative;
  overflow: hidden;
}

/* Animated particles background */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(245,166,35,0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowRotate 4s ease-in-out infinite alternate;
}
@keyframes glowRotate {
  0% { transform: scale(1) rotate(0deg); opacity: 0.6; }
  100% { transform: scale(1.15) rotate(15deg); opacity: 1; }
}

.hero-bottle {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4));
  animation: floatBottle 4s ease-in-out infinite;
  max-width: 360px;
}
@keyframes floatBottle {
  0%,100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.hero-badge-float {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 10px 18px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
  animation: badgePop 0.6s 1s both;
}
@keyframes badgePop {
  from { opacity: 0; transform: scale(0.7) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.hero-content { color: #fff; }
.hero-tag {
  display: inline-block;
  background: rgba(245,166,35,0.2);
  color: var(--gold);
  border: 1px solid rgba(245,166,35,0.4);
  padding: 6px 16px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  animation: slideInTag 0.7s ease both;
}
@keyframes slideInTag {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero-h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.2;
  margin-bottom: 20px;
  animation: slideInH1 0.8s 0.15s ease both;
}
@keyframes slideInH1 {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-desc {
  font-size: clamp(14px, 1.8vw, 16px);
  color: rgba(255,255,255,0.85);
  margin-bottom: 14px;
  animation: slideInH1 0.8s 0.3s ease both;
}

.hero-checks {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: slideInH1 0.8s 0.45s ease both;
}
.hero-checks li {
  font-size: 15px;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
}

.hero-cta {
  font-size: clamp(15px, 2vw, 18px);
  padding: 18px 36px;
  width: 100%;
  max-width: 380px;
  display: block;
  animation: slideInH1 0.8s 0.6s ease both;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  animation: slideInH1 0.8s 0.75s ease both;
}
.hero-social-proof img { width: 100px; height: auto; }

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; display: block; }

/* ====================================================
   SECTION 3: WHY CHOOSE US
   ==================================================== */
.why-section {
  padding: 80px 0;
  background: var(--light-bg);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(15,52,96,0.07);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.why-icon-wrap {
  width: 90px;
  height: 90px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.why-icon-wrap img { width: 70px; height: 70px; object-fit: contain; }
.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 12px;
}
.why-card p { font-size: 14px; color: #5a6272; line-height: 1.7; }

/* ====================================================
   SECTION 4: WHAT IS
   ==================================================== */
.what-section { padding: 80px 0; background: #fff; }
.what-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.what-image::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: var(--gradient);
  border-radius: calc(var(--radius) + 4px);
  z-index: -1;
}
.what-image img { width: 100%; border-radius: var(--radius); }
.what-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  color: var(--primary);
  margin-bottom: 20px;
}
.what-content p { font-size: 15px; color: #4a5568; margin-bottom: 16px; line-height: 1.8; }
.what-content .btn-primary { margin-top: 10px; }

/* ====================================================
   SECTION 5: HOW IT WORKS
   ==================================================== */
.how-section { padding: 80px 0; background: var(--light-bg); }
.accordion-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.accordion-item {
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(15,52,96,0.1);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 12px rgba(15,52,96,0.06);
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--primary);
  text-align: left;
  min-height: 60px;
  transition: background 0.2s;
}
.accordion-header:hover { background: rgba(15,52,96,0.04); }
.accordion-item.active .accordion-header { background: var(--gradient-primary); color: #fff; }
.acc-icon { font-size: 22px; flex-shrink: 0; }
.acc-arrow { margin-left: auto; font-size: 12px; transition: transform 0.3s; }
.accordion-item.active .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4,0,0.2,1), padding 0.3s;
  padding: 0 22px;
}
.accordion-item.active .accordion-body { max-height: 400px; padding: 16px 22px 22px; }
.accordion-body p { font-size: 15px; color: #4a5568; line-height: 1.8; }

/* ====================================================
   SECTION 6: REVIEWS
   ==================================================== */
.reviews-section { padding: 80px 0; background: #fff; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 36px;
}
.review-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1.5px solid rgba(15,52,96,0.08);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}
.review-top strong { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); font-size: 15px; }
.review-top span { font-size: 13px; color: #888; }
.stars { color: #f5a623; font-size: 14px; margin-top: 2px; }
.review-card p { font-size: 14px; color: #4a5568; line-height: 1.75; font-style: italic; }
.rating-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 15px;
  color: #5a6272;
}

/* ====================================================
   SECTION 7 & 12: PRICING
   ==================================================== */
.pricing-section { padding: 80px 0; background: var(--gradient-primary); }
.pricing-section .section-title { color: #fff; }
.pricing-section .section-sub { color: rgba(255,255,255,0.75); }

.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gold);
  margin-bottom: 12px;
}
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(245,166,35,0.4);
  border-radius: 16px;
  padding: 16px 32px;
}
.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}
.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(32px, 5vw, 52px);
  color: var(--gold);
  line-height: 1;
}
.time-block small { font-size: 11px; color: rgba(255,255,255,0.6); font-weight: 600; margin-top: 4px; letter-spacing: 1px; }
.time-sep { font-size: 36px; color: var(--gold); font-weight: 900; line-height: 1; margin-bottom: 14px; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: var(--transition);
}
.price-card:hover { transform: translateY(-8px); }
.price-card.popular {
  background: linear-gradient(145deg, #fff 0%, #fff8ee 100%);
  border: 3px solid var(--gold);
  transform: scale(1.04);
  z-index: 2;
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 18px;
  border-radius: 50px;
  white-space: nowrap;
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(20px, 3vw, 26px);
  color: var(--primary);
  margin-bottom: 4px;
}
.price-days { font-size: 13px; color: #888; margin-bottom: 16px; }
.price-card img { max-width: 140px; margin: 0 auto 16px; }
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--primary);
  line-height: 1;
}
.price-per span { font-size: 14px; color: #888; font-weight: 400; }
.price-total { font-size: 15px; color: #666; margin: 8px 0 14px; }
.price-total strong { color: var(--accent); font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 18px; }
.price-total s { color: #bbb; }
.price-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.price-badges span {
  background: rgba(0,184,148,0.1);
  color: var(--green);
  border: 1px solid rgba(0,184,148,0.3);
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}
.price-btn {
  width: 100%;
  margin-bottom: 14px;
  font-size: 15px;
  padding: 16px 20px;
}
.cards-img { margin: 8px auto 0; max-width: 180px; opacity: 0.75; }

/* ====================================================
   SECTION 8: INGREDIENTS
   ==================================================== */
.ingredients-section { padding: 80px 0; background: var(--light-bg); }
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.ing-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 22px;
  border: 1.5px solid rgba(15,52,96,0.08);
  box-shadow: 0 4px 16px rgba(15,52,96,0.07);
  position: relative;
  transition: var(--transition);
}
.ing-card:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: var(--shadow); }
.ing-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: rgba(15,52,96,0.07);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
}
.ing-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
}
.ing-card p { font-size: 13.5px; color: #5a6272; line-height: 1.75; }

/* ====================================================
   SECTION 9: SCIENCE
   ==================================================== */
.science-section { padding: 80px 0; background: #fff; }
.science-accordion { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.science-item {
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(15,52,96,0.1);
  overflow: hidden;
  background: var(--light-bg);
}
.science-header {
  width: 100%;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(13px, 2vw, 15px);
  color: var(--primary);
  text-align: left;
  min-height: 56px;
  transition: background 0.2s;
}
.science-header:hover { background: rgba(15,52,96,0.05); }
.science-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 22px;
  background: #fff;
}
.science-item.active .science-body { max-height: 300px; padding: 16px 22px 22px; }
.science-item.active .science-header { background: var(--gradient-primary); color: #fff; }
.science-body p { font-size: 14.5px; color: #4a5568; line-height: 1.8; }

/* ====================================================
   SECTION 10: GUARANTEE
   ==================================================== */
.guarantee-section { padding: 80px 0; background: linear-gradient(135deg, #e8f4fd 0%, #fef9ee 100%); }
.guarantee-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-image img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 12px 40px rgba(15,52,96,0.15));
}
.guarantee-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--primary);
  margin-bottom: 16px;
}
.guarantee-content > p { font-size: 15px; color: #5a6272; margin-bottom: 28px; line-height: 1.8; }
.guarantee-points { display: flex; flex-direction: column; gap: 22px; margin-bottom: 28px; }
.g-point { display: flex; gap: 16px; align-items: flex-start; }
.g-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.g-point h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--primary);
  font-size: 16px;
  margin-bottom: 6px;
}
.g-point p { font-size: 14px; color: #5a6272; line-height: 1.7; }

/* ====================================================
   SECTION 11: BENEFITS
   ==================================================== */
.benefits-section { padding: 80px 0; background: var(--light-bg); }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 960px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: 0 4px 16px rgba(15,52,96,0.07);
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.benefit-item:hover { border-color: var(--accent); transform: translateX(5px); box-shadow: var(--shadow); }
.benefit-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(233,69,96,0.1) 0%, rgba(245,166,35,0.1) 100%);
  border-radius: 12px;
}
.benefit-item h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 8px;
}
.benefit-item p { font-size: 13.5px; color: #5a6272; line-height: 1.7; }

/* ====================================================
   SECTION 14: FINAL CTA
   ==================================================== */
.final-cta-section { position: relative; overflow: hidden; }
.final-cta-bg {
  background: var(--gradient-hero);
  padding: 80px 0;
  position: relative;
}
.final-cta-bg::before {
  content: '';
  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 {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-bottle-img {
  max-width: 350px;
  margin: 0 auto;
  filter: drop-shadow(0 24px 60px rgba(0,0,0,0.3));
  animation: floatBottle 4s ease-in-out infinite;
}
.final-cta-content { color: #fff; }
.final-tag {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.final-h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.25;
  margin-bottom: 16px;
}
.final-cta-content > p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 24px; line-height: 1.7; }
.final-price { margin-bottom: 28px; }
.final-old { display: block; font-size: 16px; color: rgba(255,255,255,0.55); margin-bottom: 4px; }
.final-new {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(22px, 3.5vw, 34px);
  color: var(--gold);
}
.final-btn {
  font-size: clamp(15px, 2vw, 18px);
  padding: 20px 40px;
  width: 100%;
  max-width: 480px;
  display: block;
  margin-bottom: 20px;
}
.final-guarantees {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}

/* ====================================================
   SECTION 13: FAQ
   ==================================================== */
.faq-section { padding: 80px 0; background: #fff; }
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(15,52,96,0.1);
  overflow: hidden;
  background: var(--light-bg);
}
.faq-header {
  width: 100%;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--primary);
  text-align: left;
  min-height: 56px;
  transition: background 0.2s;
}
.faq-header:hover { background: rgba(15,52,96,0.05); }
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, padding 0.3s;
  padding: 0 22px;
  background: #fff;
}
.faq-item.active .faq-body { max-height: 600px; padding: 16px 22px 22px; }
.faq-item.active .faq-header { background: var(--gradient-primary); color: #fff; }
.faq-body p, .faq-body ul { font-size: 14.5px; color: #4a5568; line-height: 1.8; }
.faq-body ul { padding-left: 8px; margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }

/* ====================================================
   FOOTER
   ==================================================== */
.footer {
  background: #0a1628;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  margin-bottom: 16px;
}
.footer-logo img { width: 36px; height: 36px; border-radius: 8px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); }
.social-icons { display: flex; gap: 12px; margin-top: 20px; }
.social-link {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
  min-width: 44px; min-height: 44px;
}
.social-link:hover { background: var(--accent); color: #fff; }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: #fff;
  font-size: 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 16px; }
.legal-link { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.legal-link:hover { color: var(--gold); }
.link-separator { color: rgba(255,255,255,0.25); }
.footer-disclaimer { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.7; margin-top: 12px; }
.footer-disclaimer p { margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: var(--gold); }

/* ====================================================
   SCROLL TO TOP
   ==================================================== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px; height: 56px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(233,69,96,0.4);
  z-index: 999;
  transition: var(--transition);
}
.scroll-top.visible { display: flex; }
.scroll-top:hover { transform: scale(1.1) translateY(-3px); }

/* ====================================================
   EXIT INTENT POPUP
   ==================================================== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.popup-overlay.active { display: flex; }
.popup-box {
  background: #fff;
  border-radius: 20px;
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  animation: popIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}
.popup-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  background: #f1f1f1;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
  min-width: 44px; min-height: 44px;
  width: 44px; height: 44px;
}
.popup-close:hover { background: #e0e0e0; }
.popup-badge {
  display: inline-block;
  background: linear-gradient(135deg, #ff6b35, #f5a623);
  color: #fff;
  padding: 6px 16px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.popup-box h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 26px;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.3;
}
.popup-box p { font-size: 15px; color: #5a6272; margin-bottom: 16px; line-height: 1.7; }
.popup-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 20px;
}
.popup-price s { color: #bbb; font-size: 18px; }
.popup-cta { width: 100%; display: block; margin-bottom: 14px; font-size: 16px; padding: 18px; }
.popup-dismiss {
  font-size: 13px;
  color: #aaa;
  text-decoration: underline;
  cursor: pointer;
  display: block;
  transition: color 0.2s;
}
.popup-dismiss:hover { color: #666; }

/* ====================================================
   PURCHASE NOTIFICATION
   ==================================================== */
.notif-popup {
  position: fixed;
  bottom: 90px;
  left: 20px;
  background: #fff;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  display: none;
  align-items: center;
  gap: 12px;
  z-index: 998;
  max-width: 280px;
  border-left: 4px solid var(--green);
  animation: slideInNotif 0.4s ease;
}
@keyframes slideInNotif {
  from { opacity: 0; transform: translateX(-120%); }
  to { opacity: 1; transform: translateX(0); }
}
.notif-popup.active { display: flex; }
.notif-icon { font-size: 28px; }
.notif-text { display: flex; flex-direction: column; }
.notif-text strong { font-family: 'Montserrat', sans-serif; font-size: 13px; color: var(--primary); }
.notif-text span { font-size: 12px; color: #888; }

/* ====================================================
   MOBILE BANNER
   ==================================================== */
.mobile-banner {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  background: var(--gradient-primary);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  z-index: 997;
  gap: 12px;
}
.mobile-banner span { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; flex: 1; }
.mobile-banner-btn {
  background: var(--gradient);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  min-height: 44px;
  display: flex; align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}
.mobile-banner-close {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 30px; height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  min-width: 36px; min-height: 36px;
}
.pricing-section-2 { background: linear-gradient(135deg, #1a0a2e 0%, #16213e 100%); }

/* ====================================================
   RESPONSIVE — TABLET
   ==================================================== */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1/-1; }
}

@media (max-width: 992px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 260px; }
  .hero-glow { width: 260px; height: 260px; }
  .hero-cta { max-width: 100%; }
  .hero-social-proof { justify-content: center; }
  .hero-badge-float { right: 0; }
  .what-container { grid-template-columns: 1fr; }
  .what-image { order: -1; max-width: 400px; margin: 0 auto; }
  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image { order: -1; }
  .final-cta-container { grid-template-columns: 1fr; text-align: center; }
  .final-bottle-img { max-width: 280px; }
  .final-btn { max-width: 100%; }
  .final-guarantees { justify-content: center; }
  .reviews-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto 36px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-8px); }
}

/* ====================================================
   RESPONSIVE — MOBILE
   ==================================================== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: rgba(15,52,96,0.98);
    flex-direction: column;
    padding: 24px 20px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { font-size: 16px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.08); width: 100%; }
  .nav-cta-btn { width: 100%; justify-content: center; min-height: 48px; font-size: 15px; }

  .hero-section { padding: 80px 0 50px; }
  .hero-h1 { font-size: clamp(24px, 7vw, 32px); }
  .hero-desc { font-size: 15px; }

  .why-section { padding: 56px 0; }
  .what-section { padding: 56px 0; }
  .how-section { padding: 56px 0; }
  .reviews-section { padding: 56px 0; }
  .pricing-section { padding: 56px 0; }
  .ingredients-section { padding: 56px 0; }
  .science-section { padding: 56px 0; }
  .guarantee-section { padding: 56px 0; }
  .benefits-section { padding: 56px 0; }
  .final-cta-bg { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .footer { padding: 48px 0 0; }

  .ing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-legal-links { justify-content: center; }
  .social-icons { justify-content: center; }
  .footer-links { align-items: center; }

  .mobile-banner { display: flex; }

  .g-point { flex-direction: column; align-items: center; text-align: center; }
  .g-icon { width: 56px; height: 56px; }

  .notif-popup { max-width: 260px; bottom: 70px; }

  .countdown { padding: 12px 24px; }
  .time-block { min-width: 48px; }
  .time-block span { font-size: clamp(28px, 8vw, 44px); }
}

@media (max-width: 480px) {
  .section-title { font-size: clamp(20px, 6vw, 26px); }
  .why-grid { grid-template-columns: 1fr; }
  .hero-badge-float { font-size: 11px; padding: 8px 14px; }
}

/* Particles (JS-generated dots) */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(245,166,35,0.15);
  pointer-events: none;
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
  100% { transform: translateY(-120vh) rotate(360deg); opacity: 0; }
}