/* ================================================
   KETOFLOW - MAIN STYLESHEET
   Design: Modern Gradient + Premium feel
   Fonts: Montserrat (headings) + Open Sans (body)
   Primary: #4F46E5 → #06B6D4
   Accent: #F59E0B
================================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --primary: #4F46E5;
  --primary-dark: #3730A3;
  --secondary: #06B6D4;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --green: #10B981;
  --red: #EF4444;
  --white: #FFFFFF;
  --off-white: #F8FAFF;
  --light-bg: #EEF2FF;
  --gray: #64748B;
  --dark: #0F172A;
  --text: #1E293B;
  --text-light: #475569;
  --border: #E2E8F0;
  --gradient: linear-gradient(135deg, #4F46E5, #06B6D4);
  --gradient-warm: linear-gradient(135deg, #F59E0B, #EF4444);
  --shadow-sm: 0 2px 8px rgba(79,70,229,0.12);
  --shadow-md: 0 8px 30px rgba(79,70,229,0.18);
  --shadow-lg: 0 20px 60px rgba(79,70,229,0.22);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 36px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.25;
}

/* ===== UTILITY CLASSES ===== */
.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-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--dark);
}

.section-sub {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 48px;
  text-align: center;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 800;
  padding: 16px 36px;
  border-radius: var(--radius-xl);
  min-height: 56px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(79,70,229,0.35);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(79,70,229,0.45);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary:active {
  transform: scale(0.98);
}

.btn-sub {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 2px;
  font-family: 'Open Sans', sans-serif;
}

.btn-xl {
  font-size: 20px;
  padding: 20px 48px;
  min-height: 64px;
  border-radius: 50px;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0px) rotate(-4deg); }
  50% { transform: translateY(-8px) rotate(-4deg); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(79,70,229,0.35); }
  50% { box-shadow: 0 6px 40px rgba(79,70,229,0.7), 0 0 0 10px rgba(79,70,229,0.1); }
}

@keyframes glow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes popIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.visible {
  opacity: 1 !important;
  transform: translate(0) !important;
}

.pulse-btn {
  animation: pulse 2.5s ease-in-out infinite;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  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: var(--transition);
  padding: 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -1px;
  text-decoration: none;
}

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

.logo-flow {
  color: var(--dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gradient);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px !important;
  box-shadow: var(--shadow-sm);
  transition: var(--transition) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  transform: scale(1.05) !important;
  box-shadow: var(--shadow-md) !important;
  color: var(--white) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-height: 48px;
  min-width: 48px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

.mobile-overlay.active { display: block; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #EEF2FF 0%, #F8FAFF 50%, #E0F2FE 100%);
  display: flex;
  align-items: center;
  padding: 100px 0 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-bottle {
  max-width: 380px;
  width: 100%;
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(79,70,229,0.2));
  position: relative;
  z-index: 2;
}

.hero-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 100px;
  background: radial-gradient(ellipse, rgba(79,70,229,0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: glow 4s ease-in-out infinite;
}

.floating-badge {
  position: absolute;
  background: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  padding: 10px 16px;
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: 3;
}

.badge-1 {
  top: 10%;
  right: -10px;
  animation: floatBadge 5s ease-in-out infinite;
  transform: rotate(-4deg);
}

.badge-2 {
  bottom: 20%;
  left: -10px;
  animation: floatBadge 5s ease-in-out infinite 1s;
  transform: rotate(3deg);
}

.hero-content {
  animation: fadeInRight 0.9s ease both;
}

.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 16px;
}

.hero-h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--dark);
}

.hero-p {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 1.75;
}

.hero-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  box-shadow: var(--shadow-sm);
  min-width: 90px;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 11px;
  color: var(--gray);
  font-weight: 600;
  text-align: center;
  margin-top: 2px;
}

.hero-cta {
  width: 100%;
  max-width: 420px;
  font-size: 20px;
  padding: 20px 32px;
  margin-bottom: 16px;
  animation: pulse 2.5s ease-in-out infinite;
}

.hero-disclaimer {
  font-size: 13px;
  color: var(--red);
  font-weight: 600;
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
}

.hero-wave svg {
  width: 100%;
  height: 80px;
}

/* ===== SECTION SPACING ===== */
section {
  padding: 80px 0;
}

.why-us, .ingredients, .benefits, .faq, .science {
  background: var(--off-white);
}

.what-is, .how-it-works, .reviews, .bonus, .guarantee {
  background: var(--white);
}

/* ===== WHY CHOOSE US ===== */
.why-us { text-align: center; }

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.badge-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.badge-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.badge-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== WHAT IS ===== */
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.what-is-image {
  position: relative;
}

.what-is-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.img-decoration {
  position: absolute;
  top: -16px;
  left: -16px;
  right: 16px;
  bottom: 16px;
  border: 3px solid var(--primary);
  border-radius: var(--radius-lg);
  opacity: 0.2;
  z-index: -1;
}

.what-is-content { text-align: left; }
.what-is-content .section-title { text-align: left; }
.what-is-content p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 1.8;
}

/* ===== HOW IT WORKS ===== */
.how-it-works { text-align: center; }

.accordion-list, .faq-list, .science-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.accordion-item.active, .accordion-item:has(.accordion-body.open) {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  min-height: 56px;
  transition: var(--transition);
}

.accordion-header:hover { background: var(--light-bg); }

.acc-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.acc-arrow {
  margin-left: auto;
  font-size: 12px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.active .acc-arrow {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 0 24px 20px;
  border-top: 1px solid var(--border);
}

.accordion-body.open { display: block; }

.accordion-item.active .accordion-body { display: block; }

.accordion-body p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  padding-top: 16px;
}

/* ===== REVIEWS ===== */
.reviews { text-align: center; }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.review-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.reviewer-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
  flex-shrink: 0;
}

.reviewer-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
}

.reviewer-loc {
  font-size: 13px;
  color: var(--gray);
}

.stars {
  color: var(--accent);
  font-size: 16px;
  letter-spacing: 2px;
}

.review-card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

.rating-overall {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.rating-overall img { max-height: 40px; width: auto; }
.rating-overall p { font-size: 16px; font-weight: 600; color: var(--dark); }

/* ===== PRICING ===== */
.pricing { text-align: center; }
.pricing-2 { background: var(--off-white); }

.countdown-box {
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  max-width: 400px;
  margin: 0 auto 48px;
}

.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.timer-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.timer-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timer-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 52px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  min-width: 70px;
  text-align: center;
  background: rgba(255,255,255,0.08);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.timer-lbl {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  margin-top: 4px;
}

.timer-sep {
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 18px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.price-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #EEF2FF, var(--white));
  transform: scale(1.04);
}

.price-card.popular:hover {
  transform: scale(1.04) translateY(-6px);
}

.popular-banner {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 1px;
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 2px;
}

.price-supply {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
}

.price-img {
  width: 100%;
  max-width: 160px;
  margin: 0 auto 16px;
}

.price-per {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.price-per span {
  font-size: 16px;
  font-weight: 600;
  -webkit-text-fill-color: var(--gray);
  color: var(--gray);
}

.price-total {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.price-total del {
  color: var(--red);
  margin-right: 6px;
}

.price-total strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  color: var(--green);
  font-weight: 800;
}

.price-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}

.pbadge {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.pbadge.green { background: #D1FAE5; color: #065F46; }
.pbadge.blue { background: #DBEAFE; color: #1E40AF; }

.price-btn {
  width: 100%;
  font-size: 16px;
  padding: 14px 24px;
  margin-bottom: 12px;
}

.payment-logos {
  max-width: 180px;
  margin: 0 auto;
  opacity: 0.7;
}

/* ===== BONUS ===== */
.bonus { text-align: center; }

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.bonus-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: linear-gradient(135deg, #EEF2FF, #E0F2FE);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: left;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.bonus-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bonus-card img {
  width: 120px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.bonus-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.bonus-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.bonus-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== INGREDIENTS ===== */
.ingredients { text-align: center; }

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ingredient-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.ingredient-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.ing-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.ingredient-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.ingredient-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== SCIENCE ===== */
.science { text-align: center; }
.science-accordion { text-align: left; }

/* ===== GUARANTEE ===== */
.guarantee-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}

.guarantee-image img {
  max-width: 300px;
  border-radius: var(--radius-lg);
}

.guarantee-content { text-align: left; }
.guarantee-content .section-title { text-align: left; }
.guarantee-content > p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.guarantee-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.g-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.g-icon {
  font-size: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.g-point h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.g-point p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== BENEFITS ===== */
.benefits { text-align: center; }

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align: left;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.benefit-item:hover {
  transform: translateX(4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.ben-check {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.benefit-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq { text-align: center; }
.faq-list { text-align: left; }

/* ===== FINAL CTA ===== */
.final-cta {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(79,70,229,0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(6,182,212,0.2) 0%, transparent 60%);
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
  text-align: left;
}

.final-cta-image {
  position: relative;
}

.final-bottle {
  max-width: 280px;
  animation: float 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(79,70,229,0.4));
  position: relative;
  z-index: 2;
}

.final-glow {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(79,70,229,0.5) 0%, transparent 70%);
  border-radius: 50%;
  animation: glow 4s ease-in-out infinite;
}

.final-title {
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.final-price {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.final-old {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
}

.final-old del { color: var(--red); }

.final-new {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 900;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.final-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 28px;
}

.final-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.final-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.final-trust span {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.social-icon svg {
  width: 18px;
  height: 18px;
}

.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-links-col a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-order-link {
  color: var(--accent) !important;
  font-weight: 600;
}

.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.footer-disclaimer {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: var(--secondary);
  transition: var(--transition);
}

.footer-bottom a:hover { color: var(--white); }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  background: var(--gradient);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: var(--transition);
}

.scroll-top.visible { display: flex; }
.scroll-top:hover { transform: scale(1.1) translateY(-2px); }

/* ===== PURCHASE POPUP ===== */
.purchase-popup {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 9999;
  transform: translateX(-200%);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.purchase-popup.show {
  transform: translateX(0);
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.popup-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  min-width: 280px;
  max-width: 320px;
}

.popup-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.popup-text {
  display: flex;
  flex-direction: column;
  font-size: 13px;
}

.popup-text strong {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--dark);
  font-size: 14px;
}

.popup-text span {
  color: var(--gray);
}

.popup-action {
  color: var(--green) !important;
  font-weight: 600;
}

.popup-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray);
  font-size: 16px;
  padding: 4px;
  margin-left: auto;
  flex-shrink: 0;
  min-width: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.popup-close:hover { background: var(--light-bg); color: var(--dark); }

/* ===== EXIT POPUP ===== */
.exit-popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 99999;
  align-items: center;
  justify-content: center;
}

.exit-popup-overlay.active { display: flex; }

.exit-popup {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px 40px 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease;
}

.exit-popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--light-bg);
  border: none;
  border-radius: 50px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  min-height: 36px;
}

.exit-popup-close a {
  color: var(--text-light);
  font-size: 13px;
  text-decoration: none;
}

.exit-popup-close:hover { background: var(--border); }

.exit-popup-emoji { font-size: 56px; margin-bottom: 16px; }

.exit-popup h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 12px;
}

.exit-popup p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.exit-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  font-family: 'Montserrat', sans-serif;
}

.exit-price del {
  font-size: 22px;
  color: var(--red);
}

.exit-price span {
  font-size: 36px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.exit-cta {
  width: 100%;
  font-size: 18px;
  padding: 18px 32px;
  margin-bottom: 16px;
  animation: pulse 2s ease-in-out infinite;
}

.exit-no { margin-top: 12px; }
.exit-no a {
  font-size: 13px;
  color: var(--gray);
  text-decoration: underline;
  cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }

  /* Nav */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 32px 32px;
    z-index: 1000;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-lg);
    gap: 24px;
  }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 18px; }
  .nav-cta { width: 100%; text-align: center; justify-content: center; }

  /* Hero */
  .hero { padding-top: 80px; min-height: auto; }
  .hero-container {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
    padding-bottom: 40px;
  }
  .hero-image { order: -1; }
  .hero-bottle { max-width: 240px; }
  .badge-1 { right: 0; top: 5%; }
  .badge-2 { left: 0; bottom: 15%; }
  .hero-content { text-align: center; }
  .hero-stats { justify-content: center; }
  .hero-cta { max-width: 100%; }
  .hero-cta, .btn-primary { font-size: 16px; }

  /* Grid adjustments */
  .what-is-grid { grid-template-columns: 1fr; gap: 32px; }
  .what-is-image { order: -1; }
  .what-is-content, .what-is-content .section-title { text-align: center; }
  .reviews-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-6px); }
  .bonus-grid { grid-template-columns: 1fr; }
  .bonus-card { flex-direction: column; text-align: center; align-items: center; }
  .bonus-card img { width: 150px; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image { display: flex; justify-content: center; }
  .guarantee-image img { max-width: 200px; }
  .guarantee-content, .guarantee-content .section-title { text-align: center; }
  .g-point { flex-direction: column; align-items: center; text-align: center; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-cta-inner { grid-template-columns: 1fr; text-align: center; }
  .final-cta-actions { align-items: center; }
  .final-trust { justify-content: center; }
  .final-bottle { max-width: 200px; margin: 0 auto; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: auto; }
  .scroll-top { bottom: 16px; right: 16px; }

  /* Accordion */
  .accordion-header { font-size: 14px; padding: 16px 20px; }
}

@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .section-title { font-size: 22px; }
  .hero-bottle { max-width: 200px; }
  .floating-badge { display: none; }
  .hero-stats { gap: 12px; }
  .stat { padding: 8px 12px; min-width: 70px; }
  .stat-num { font-size: 16px; }
  .badges-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .timer-num { font-size: 40px; min-width: 56px; }
  .timer-sep { font-size: 36px; }
  .nav-container { height: 60px; }
  .exit-popup { padding: 40px 24px 32px; }
  .exit-popup h3 { font-size: 20px; }
  .purchase-popup { left: 12px; right: 12px; }
  .popup-inner { min-width: auto; max-width: 100%; }
}

@media (max-width: 320px) {
  html { font-size: 15px; }
  .hero-h1 { font-size: 22px; }
  .btn-primary { font-size: 15px; padding: 14px 20px; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}