/* ===================================================
   DENTALPRIME — styles.css
   Design: Medical Premium (Blue + Teal + White)
   Fonts: Montserrat (headings) + Open Sans (body)
=================================================== */

/* ---- CSS Variables ---- */
:root {
  --primary: #1a6ed8;
  --primary-dark: #0f4fa5;
  --accent: #06c9a0;
  --accent-dark: #04a582;
  --gold: #f5a623;
  --dark: #0d1b2a;
  --mid: #1e3a5f;
  --text: #2c3e50;
  --text-light: #6b7a8d;
  --bg: #f0f6ff;
  --white: #ffffff;
  --card-bg: #ffffff;
  --shadow: 0 8px 32px rgba(26,110,216,0.12);
  --shadow-lg: 0 20px 60px rgba(26,110,216,0.18);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient: linear-gradient(135deg, #1a6ed8 0%, #06c9a0 100%);
  --gradient-bg: linear-gradient(160deg, #0d1b2a 0%, #1e3a5f 50%, #0f4fa5 100%);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
}

/* ---- 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-tag {
  display: inline-block;
  background: rgba(26,110,216,0.1);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(24px, 4vw, 40px);
  text-align: center;
  margin-bottom: 12px;
}
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 16px 36px;
  border-radius: 50px;
  min-height: 56px;
  box-shadow: 0 8px 28px rgba(26,110,216,0.4);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
  gap: 4px;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 36px rgba(26,110,216,0.55);
}
.btn-primary:active { transform: scale(0.98); }
.btn-sub {
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.85;
  font-family: 'Open Sans', sans-serif;
}
.pulse-btn {
  animation: pulseCTA 2.5s infinite;
}
@keyframes pulseCTA {
  0%, 100% { box-shadow: 0 8px 28px rgba(26,110,216,0.4); }
  50% { box-shadow: 0 8px 40px rgba(6,201,160,0.6), 0 0 0 10px rgba(26,110,216,0.08); }
}

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,27,42,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(13,27,42,0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
}
.logo-icon { font-size: 1.6rem; }
.logo-text { color: var(--white); }
.logo-accent { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  color: rgba(255,255,255,0.82);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}
.nav-link:hover { color: var(--accent); }
.nav-cta {
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 10px 24px;
  border-radius: 50px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: var(--transition);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: var(--shadow); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  background: var(--gradient-bg);
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(6,201,160,0.35) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-bottle {
  position: relative;
  z-index: 2;
  max-width: 340px;
  width: 100%;
  animation: bottleFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}
@keyframes bottleFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-badges {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}
.badge-float {
  position: absolute;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 50px;
  white-space: nowrap;
}
.badge-1 { top: 10%; left: -5%; animation: badgeFloat 3s ease-in-out infinite; }
.badge-2 { top: 30%; right: -8%; animation: badgeFloat 3.5s ease-in-out infinite 0.5s; }
.badge-3 { bottom: 20%; left: -3%; animation: badgeFloat 4s ease-in-out infinite 1s; }
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero-content { color: var(--white); }
.hero-tag {
  display: inline-block;
  background: rgba(6,201,160,0.2);
  border: 1px solid rgba(6,201,160,0.4);
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.15;
}
.hero-desc {
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.75;
}
.hero-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 28px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}
.hero-stars span { color: rgba(255,255,255,0.7); font-weight: 400; font-size: 0.9rem; }
.hero-cta {
  margin-bottom: 20px;
  font-size: 1.15rem;
  padding: 18px 40px;
  width: 100%;
  max-width: 420px;
}
.hero-guarantee {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---- WHY CHOOSE ---- */
.why-choose {
  padding: 80px 0;
  background: var(--bg);
}
.why-choose .section-title { text-align: center; margin-bottom: 8px; }
.why-choose .section-sub { margin-bottom: 48px; }
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.badge-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
  transition-delay: var(--delay, 0s);
}
.badge-card.animated {
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s, opacity 0.6s;
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.badge-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.badge-card h3 {
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.badge-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ---- WHAT IS ---- */
.what-is {
  padding: 80px 0;
  background: var(--white);
}
.what-is-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-is-image { position: relative; }
.what-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.what-stat-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient);
  color: var(--white);
  padding: 20px 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  line-height: 1;
}
.stat-label { font-size: 0.78rem; opacity: 0.9; margin-top: 4px; }
.what-is-content .section-tag { margin-bottom: 16px; }
.what-is-content h2 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 20px; }
.what-is-content p { color: var(--text-light); margin-bottom: 16px; line-height: 1.8; }
.what-is-content .btn-primary { margin-top: 12px; }

/* ---- HOW IT WORKS ---- */
.how-it-works {
  padding: 80px 0;
  background: var(--bg);
}
.how-it-works .section-title { text-align: center; }
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.accordion-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  background: none;
  cursor: pointer;
  text-align: left;
  min-height: 64px;
  transition: var(--transition);
}
.accordion-head:hover { background: rgba(26,110,216,0.04); }
.acc-icon { font-size: 1.4rem; flex-shrink: 0; }
.acc-arrow { margin-left: auto; font-size: 0.8rem; transition: transform 0.3s; color: var(--primary); }
.accordion-item.active .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.accordion-item.active .accordion-body { max-height: 300px; }
.accordion-body p { padding: 0 24px 20px; color: var(--text-light); line-height: 1.8; font-size: 0.95rem; }

/* ---- REVIEWS ---- */
.reviews {
  padding: 80px 0;
  background: var(--gradient-bg);
}
.reviews .section-tag { background: rgba(255,255,255,0.1); color: #fff; }
.reviews .section-title, .reviews .section-sub { color: var(--white); }
.reviews .section-sub { color: rgba(255,255,255,0.7); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 28px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s, transform 0.6s;
  transition-delay: var(--delay, 0s);
}
.review-card.animated { opacity: 1; transform: translateY(0); }
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}
.review-name { font-family: 'Montserrat', sans-serif; font-weight: 800; color: #fff; font-size: 1rem; }
.review-location { color: rgba(255,255,255,0.6); font-size: 0.82rem; margin: 2px 0; }
.review-stars { font-size: 0.9rem; }
.review-text { color: rgba(255,255,255,0.85); font-size: 0.93rem; line-height: 1.75; margin-bottom: 12px; }
.review-verified { color: var(--accent); font-size: 0.8rem; font-weight: 700; font-family: 'Montserrat', sans-serif; }

/* ---- PRICING ---- */
.pricing { padding: 80px 0; background: var(--bg); }
.pricing-2 { background: var(--white); }
.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 12px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dark);
  border-radius: var(--radius);
  padding: 16px 32px;
}
.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}
.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.8rem;
  color: var(--accent);
  line-height: 1;
}
.time-block small {
  color: rgba(255,255,255,0.6);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  margin-top: 4px;
}
.time-sep { font-size: 2.4rem; color: var(--accent); font-weight: 900; font-family: 'Montserrat', sans-serif; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 40px;
}
.price-card {
  background: var(--white);
  border: 2px solid #e8eff8;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--primary);
  background: linear-gradient(to bottom, rgba(26,110,216,0.04), var(--white));
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.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: 0.75rem;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 4px;
}
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--dark);
  margin-bottom: 2px;
}
.price-supply { color: var(--text-light); font-size: 0.85rem; margin-bottom: 16px; }
.price-img { max-height: 160px; object-fit: contain; margin: 0 auto 16px; }
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--primary);
}
.price-per span { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
.price-total { font-size: 0.95rem; color: var(--text-light); margin: 4px 0 16px; }
.price-total strong { color: var(--accent-dark); font-size: 1.05rem; }
.price-perks {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.price-perks span {
  background: rgba(6,201,160,0.1);
  color: var(--accent-dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 50px;
}
.btn-price {
  display: block;
  width: 100%;
  padding: 14px 20px;
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50px;
  min-height: 50px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(26,110,216,0.3);
  margin-bottom: 12px;
}
.btn-price:hover { transform: scale(1.03); box-shadow: 0 10px 28px rgba(26,110,216,0.45); }
.btn-price-pop { background: linear-gradient(135deg, #f5a623 0%, #e8780e 100%); box-shadow: 0 6px 20px rgba(245,166,35,0.4); }
.payment-logos { max-height: 28px; object-fit: contain; margin: 4px auto 0; }
.rating-wrap { text-align: center; }
.five-star-img { max-height: 40px; object-fit: contain; margin: 0 auto 8px; }
.rating-wrap p { color: var(--text-light); font-size: 0.9rem; }

/* ---- BONUS ---- */
.bonus-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #e8f4ff 0%, #e8fff9 100%);
}
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 40px;
}
.bonus-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-img { width: 100%; height: 200px; object-fit: cover; }
.bonus-content { padding: 24px; flex: 1; }
.bonus-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 8px;
}
.bonus-content h3 { font-size: 1.1rem; margin-bottom: 10px; }
.bonus-content p { color: var(--text-light); font-size: 0.9rem; line-height: 1.7; margin-bottom: 12px; }
.bonus-value { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; color: var(--text-light); }

/* ---- INGREDIENTS ---- */
.ingredients {
  padding: 80px 0;
  background: var(--white);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ingredient-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--primary);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.ingredient-card.animated { opacity: 1; transform: translateY(0); transition: opacity 0.5s, transform 0.5s; }
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ing-icon { font-size: 1.8rem; margin-bottom: 10px; }
.ingredient-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--primary); }
.ingredient-card p { font-size: 0.87rem; color: var(--text-light); line-height: 1.7; margin-bottom: 8px; }
.ing-benefit { font-size: 0.8rem; color: var(--accent-dark); font-weight: 700; font-family: 'Montserrat', sans-serif; }

/* ---- SCIENCE ---- */
.science {
  padding: 80px 0;
  background: var(--bg);
}
.science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.science-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.science-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.sci-icon { font-size: 2rem; margin-bottom: 12px; }
.science-card h3 { font-size: 1rem; margin-bottom: 10px; color: var(--primary); }
.science-card p { font-size: 0.87rem; color: var(--text-light); line-height: 1.75; }

/* ---- GUARANTEE ---- */
.guarantee {
  padding: 80px 0;
  background: var(--white);
}
.guarantee-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img { width: 220px; height: 220px; object-fit: contain; }
.guarantee-content h2 { font-size: clamp(24px, 3vw, 36px); margin-bottom: 28px; }
.guarantee-points { display: flex; flex-direction: column; gap: 24px; }
.guarantee-point { display: flex; gap: 16px; align-items: flex-start; }
.gp-icon { font-size: 2rem; flex-shrink: 0; }
.guarantee-point h3 { font-size: 1rem; margin-bottom: 6px; }
.guarantee-point p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }

/* ---- BENEFITS ---- */
.benefits {
  padding: 80px 0;
  background: var(--gradient-bg);
}
.benefits .section-tag { background: rgba(255,255,255,0.1); color: #fff; }
.benefits .section-title, .benefits .section-sub { color: #fff; }
.benefits .section-sub { color: rgba(255,255,255,0.7); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s, transform 0.5s;
  transition-delay: var(--delay, 0s);
}
.benefit-item.animated { opacity: 1; transform: translateX(0); }
.benefit-check { font-size: 1.4rem; flex-shrink: 0; }
.benefit-item h3 { font-size: 0.95rem; color: #fff; margin-bottom: 4px; }
.benefit-item p { font-size: 0.85rem; color: rgba(255,255,255,0.7); line-height: 1.65; }

/* ---- FAQ ---- */
.faq {
  padding: 80px 0;
  background: var(--bg);
}
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  background: none;
  cursor: pointer;
  text-align: left;
  min-height: 64px;
  gap: 16px;
  transition: var(--transition);
}
.faq-q:hover { background: rgba(26,110,216,0.04); }
.faq-arrow { font-size: 0.8rem; transition: transform 0.3s; color: var(--primary); flex-shrink: 0; }
.faq-item.active .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.faq-item.active .faq-a { max-height: 400px; }
.faq-a p { padding: 0 24px 20px; color: var(--text-light); line-height: 1.8; font-size: 0.93rem; }

/* ---- FINAL CTA ---- */
.final-cta {
  padding: 80px 0;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(6,201,160,0.12) 0%, transparent 70%);
  animation: bgPulse 4s ease-in-out infinite;
}
@keyframes bgPulse { 0%,100% { opacity: 0.8; } 50% { opacity: 1; } }
.final-cta-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-cta-image { position: relative; text-align: center; }
.final-bottle {
  max-width: 280px;
  animation: bottleFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
}
.final-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(6,201,160,0.3) 0%, transparent 65%);
  pointer-events: none;
}
.urgency-badge {
  display: inline-block;
  background: rgba(245,166,35,0.2);
  border: 1px solid rgba(245,166,35,0.5);
  color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  animation: urgencyPulse 2s infinite;
}
@keyframes urgencyPulse { 0%,100%{opacity:1;} 50%{opacity:0.7;} }
.final-h2 { font-size: clamp(24px, 3vw, 40px); color: #fff; margin-bottom: 24px; }
.final-pricing { margin-bottom: 20px; }
.regular-price { color: rgba(255,255,255,0.6); font-size: 1.05rem; margin-bottom: 8px; }
.special-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--gold);
}
.final-desc { color: rgba(255,255,255,0.8); font-size: 0.97rem; line-height: 1.75; margin-bottom: 28px; }
.btn-final { font-size: 1.15rem; padding: 18px 40px; width: 100%; max-width: 480px; margin-bottom: 24px; }
.final-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
}

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: rgba(255,255,255,0.8); }
.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-link:hover { background: var(--primary); transform: translateY(-3px); }
.footer-links h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  margin-bottom: 8px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.legal-link { color: rgba(255,255,255,0.6); font-size: 0.85rem; transition: var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.3); }
.footer-disclaimer {
  background: rgba(0,0,0,0.3);
  padding: 24px 0;
}
.footer-disclaimer p { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.7; margin-bottom: 8px; }
.copyright { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.copyright a { color: rgba(255,255,255,0.5); }
.copyright a:hover { color: var(--accent); }

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px; height: 56px;
  background: var(--gradient);
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top:hover { transform: translateY(-4px) scale(1.1); }

/* ---- NOTIFICATION POPUP ---- */
.notif-popup {
  position: fixed;
  bottom: 24px; left: 24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 990;
  max-width: 280px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  border-left: 4px solid var(--accent);
}
.notif-popup.show { transform: translateX(0); }
.notif-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.notif-text { font-size: 0.83rem; line-height: 1.4; flex: 1; }
.notif-time { font-size: 0.75rem; color: var(--text-light); margin-top: 2px; }
.notif-close {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.notif-close:hover { background: rgba(0,0,0,0.15); }

/* ---- OVERLAY POPUP ---- */
.overlay-popup {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.overlay-popup.show { opacity: 1; pointer-events: auto; }
.popup-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}
.overlay-popup.show .popup-box { transform: scale(1); }
.popup-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.popup-close:hover { background: rgba(0,0,0,0.15); }
.popup-badge {
  display: inline-block;
  background: rgba(245,166,35,0.15);
  color: #c07d00;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.popup-inner h3 { font-size: 1.5rem; margin-bottom: 12px; }
.popup-inner p { color: var(--text-light); font-size: 0.95rem; line-height: 1.65; margin-bottom: 16px; }
.popup-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 20px;
}
.popup-price strong { color: var(--primary); font-size: 1.5rem; }
.popup-cta { width: 100%; margin-bottom: 12px; }
.popup-skip {
  display: block;
  color: var(--text-light);
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
  transition: var(--transition);
}
.popup-skip:hover { color: var(--primary); }

/* ---- ANIMATIONS (scroll observer) ---- */
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s, transform 0.6s; }
[data-animate].animated { opacity: 1; transform: none; }

/* ===================================================
   RESPONSIVE
=================================================== */

/* Tablet: 768px */
@media (max-width: 991px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; text-align: center; }
  .hero-cta { max-width: 100%; }
  .hero-guarantee { justify-content: center; }
  .hero-stars { justify-content: center; }
  .what-is-container { grid-template-columns: 1fr; }
  .what-is-image { order: 1; }
  .what-is-content { order: 2; }
  .what-stat-card { right: 0; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .price-card.popular { transform: none; }
  .bonus-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image { text-align: center; }
  .guarantee-img { margin: 0 auto; }
  .guarantee-point { text-align: left; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-cta-container { grid-template-columns: 1fr; text-align: center; }
  .final-trust { justify-content: center; }
  .btn-final { max-width: 100%; }
  .footer-container { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile: 767px */
@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh; width: 280px;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 80px 32px;
    transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
    box-shadow: -8px 0 40px rgba(0,0,0,0.4);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; }
  .nav-cta { width: 100%; text-align: center; justify-content: center; }
  .hero { padding: 80px 0 48px; }
  .hero-bottle { max-width: 240px; }
  .hero-glow { width: 240px; height: 240px; }
  .badge-float { display: none; }
  .section-title { font-size: clamp(22px, 5vw, 32px); }
  .reviews-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; gap: 32px; }
  .footer-social { justify-content: center; }
  .countdown-timer { padding: 12px 20px; }
  .time-block span { font-size: 2rem; }
  .time-block { min-width: 60px; }
  .popup-box { padding: 40px 24px 32px; }
  .popup-inner h3 { font-size: 1.25rem; }
  .notif-popup { max-width: calc(100vw - 48px); bottom: 16px; left: 16px; }
  .what-stat-card { position: static; margin-top: 16px; display: inline-block; }
}

/* Small phones: 479px */
@media (max-width: 479px) {
  .badges-grid { grid-template-columns: 1fr; }
  .hero-h1 { font-size: 24px; }
  .time-block span { font-size: 1.7rem; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-h2 { font-size: 22px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}