/* ============================================================
   NailsCleanPro — styles.css
   Design: Medical Professional + Premium Teal & Deep Blue
   Fonts: Montserrat (headings), Open Sans (body)
   ============================================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* === CSS VARIABLES === */
:root {
  --primary: #0f4c81;
  --primary-dark: #0a3560;
  --accent: #00b4d8;
  --accent2: #48cae4;
  --gold: #f9c74f;
  --green: #06d6a0;
  --bg-light: #f0f7ff;
  --text: #1a1a2e;
  --text-light: #555;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #0f4c81 0%, #00b4d8 100%);
  --gradient-hero: linear-gradient(135deg, #0a2342 0%, #0f4c81 50%, #0096c7 100%);
  --shadow: 0 4px 24px rgba(15, 76, 129, 0.15);
  --shadow-lg: 0 12px 40px rgba(15, 76, 129, 0.25);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

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

/* === UTILITY === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-pad { padding: 60px 0; }
.bg-light { background: var(--bg-light); }
.section-title {
  font-size: clamp(24px, 4vw, 38px);
  text-align: center;
  margin-bottom: 12px;
  color: var(--primary);
}
.section-title.left { text-align: left; }
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: clamp(15px, 2vw, 17px);
  max-width: 700px;
  margin: 0 auto 40px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  min-height: 48px;
  line-height: 1.4;
}
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(15, 76, 129, 0.3);
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 28px rgba(15, 76, 129, 0.45);
}
.btn-primary:active { transform: scale(0.98); }
.btn-nav {
  background: var(--gold);
  color: var(--primary);
  font-weight: 800;
  padding: 10px 22px;
  font-size: 14px;
  border-radius: 50px;
}
.btn-nav:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(249,199,79,0.4); }
.btn-hero { font-size: 18px; padding: 18px 38px; margin-top: 12px; }
.btn-price { width: 100%; display: block; padding: 14px 20px; font-size: 15px; margin: 12px 0; }
.btn-final { font-size: 18px; padding: 20px 40px; margin-top: 20px; }

/* === POPUP === */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 35, 66, 0.75);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.popup-overlay.active { display: flex; }
.popup-box {
  background: #fff;
  border-radius: 20px;
  max-width: 480px;
  width: calc(100% - 40px);
  padding: 40px 32px 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-top: 5px solid var(--accent);
}
@keyframes popIn {
  from { transform: scale(0.7) translateY(30px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text);
}
.popup-close-link { color: var(--text); font-weight: 700; font-size: 16px; }
.popup-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.popup-title {
  font-size: clamp(20px, 4vw, 26px);
  color: var(--primary);
  margin-bottom: 12px;
}
.popup-text { color: var(--text-light); margin-bottom: 20px; font-size: 15px; }
.popup-cta { display: block; text-align: center; background: var(--gradient); color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px; padding: 16px; border-radius: 50px; margin-bottom: 12px; transition: var(--transition); }
.popup-cta:hover { transform: scale(1.03); box-shadow: var(--shadow); }
.popup-sub { text-align: center; font-size: 13px; color: var(--green); font-weight: 600; }
.popup-inner { text-align: center; }

/* === NAVBAR === */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15,76,129,0.1);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 4px 20px rgba(15,76,129,0.12); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  gap: 16px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 20px; color: var(--primary); }
.logo-accent { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.2s;
}
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  background: var(--bg-light);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  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); }
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
  background: #fff;
  border-top: 1px solid var(--bg-light);
}
.mobile-menu.open { max-height: 400px; }
.mobile-link {
  display: block;
  padding: 14px 20px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
  border-bottom: 1px solid var(--bg-light);
}
.mobile-link:hover { background: var(--bg-light); }
.mobile-cta { margin: 16px 20px; width: calc(100% - 40px); }

/* === HERO === */
.hero {
  position: relative;
  background: var(--gradient-hero);
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 60px 0;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  from { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  to { transform: translateY(-100px) scale(1); opacity: 0; }
}
.hero-container {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.hero-image-wrap {
  flex: 1;
  min-width: 260px;
  max-width: 440px;
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0,180,216,0.35) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
.hero-img {
  position: relative;
  z-index: 1;
  max-width: 320px;
  width: 100%;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(0,180,216,0.5));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-18px) rotate(1deg); }
}
.hero-badge-float {
  position: absolute;
  top: 10px;
  right: -10px;
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(249,199,79,0.5);
  animation: badgeBounce 2s ease-in-out infinite;
  z-index: 2;
}
@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero-content {
  flex: 1;
  min-width: 280px;
  color: #fff;
}
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--accent2);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.hero-h1 {
  font-size: clamp(26px, 4.5vw, 52px);
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-desc { color: rgba(255,255,255,0.88); margin-bottom: 14px; font-size: clamp(15px, 2vw, 17px); }
.hero-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--gold);
}
.hero-stars span { font-size: 13px; color: rgba(255,255,255,0.75); }
.hero-guarantee {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 12px;
}

/* === WHY US === */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.badge-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
  opacity: 0;
  transform: translateY(30px);
}
.badge-card.aos-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.badge-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.badge-title {
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.badge-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* === WHAT IS === */
.what-container {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}
.what-content { flex: 1; min-width: 280px; }
.what-content p { margin-bottom: 16px; font-size: 16px; color: var(--text); }
.what-image {
  flex: 1;
  min-width: 260px;
  max-width: 440px;
}
.what-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.what-content .btn { margin-top: 12px; }

/* === HOW IT WORKS === */
.how-works { background: var(--white); }
.accordion-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  border: 2px solid #e8f0fe;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}
.accordion-item.active { border-color: var(--accent); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--primary);
  background: #fff;
  cursor: pointer;
  min-height: 60px;
  text-align: left;
  transition: background 0.2s;
  gap: 12px;
}
.accordion-header:hover { background: var(--bg-light); }
.acc-icon {
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.accordion-item.active .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.accordion-item.active .accordion-body { max-height: 400px; padding: 0 22px 20px; }
.accordion-body p { font-size: 15px; color: var(--text-light); line-height: 1.75; }

/* === REVIEWS === */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--accent);
  opacity: 0;
  transform: translateY(24px);
}
.review-card.aos-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.reviewer-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}
.reviewer-name { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; color: var(--primary); }
.reviewer-loc { display: block; font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.stars { font-size: 16px; }
.review-text { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* === PRICING === */
.pricing { background: var(--primary-dark); }
.pricing .section-title { color: #fff; }
.pricing .section-sub { color: rgba(255,255,255,0.75); }
.timer-wrap { text-align: center; margin-bottom: 36px; }
.timer-label { color: rgba(255,255,255,0.8); font-size: 15px; margin-bottom: 12px; font-weight: 600; }
.timer-display {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 16px 32px;
}
.timer-seg { text-align: center; }
.timer-seg span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 6vw, 56px);
  color: var(--gold);
  line-height: 1;
  min-width: 2ch;
}
.timer-seg small { font-size: 11px; color: rgba(255,255,255,0.6); letter-spacing: 1px; margin-top: 4px; display: block; }
.timer-colon { font-size: 40px; color: var(--gold); font-weight: 800; align-self: flex-start; margin-top: 8px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}
.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  background: var(--gradient);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 16px 50px rgba(0,180,216,0.4);
  border: 3px solid var(--gold);
}
.price-card.popular:hover { transform: scale(1.07) translateY(-4px); }
.popular-banner {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 11px;
  padding: 6px 20px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(249,199,79,0.5);
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 4px;
}
.price-card.popular .price-label { color: var(--gold); }
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 2px;
}
.price-card.popular .price-qty { color: #fff; }
.price-supply { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }
.price-card.popular .price-supply { color: rgba(255,255,255,0.8); }
.price-img { max-width: 120px; margin: 0 auto 14px; }
.price-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 12px; }
.pbadge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}
.pbadge.bonus { background: rgba(6,214,160,0.15); color: #059669; }
.pbadge.ship { background: rgba(249,199,79,0.2); color: #b45309; }
.price-card.popular .pbadge.bonus { background: rgba(255,255,255,0.2); color: #fff; }
.price-card.popular .pbadge.ship { background: var(--gold); color: var(--primary); }
.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 40px;
  color: var(--primary);
  line-height: 1;
}
.price-amount span { font-size: 16px; font-weight: 600; color: var(--text-light); }
.price-card.popular .price-amount { color: #fff; }
.price-card.popular .price-amount span { color: rgba(255,255,255,0.7); }
.price-total { font-size: 14px; color: var(--text-light); margin-bottom: 4px; }
.price-card.popular .price-total { color: rgba(255,255,255,0.85); }
.price-total strong { color: var(--green); font-weight: 700; }
.price-card.popular .price-total strong { color: var(--gold); }
.atc-img { max-width: 200px; margin: 0 auto; width: 100%; }
.cards-img { max-width: 180px; margin: 8px auto 0; opacity: 0.85; }
.stars-wrap { text-align: center; margin-top: 36px; color: rgba(255,255,255,0.8); }
.stars-img { max-width: 200px; margin: 0 auto 8px; }

/* === BONUS === */
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.bonus-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  border: 2px solid transparent;
}
.bonus-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.bonus-img { width: 100%; max-height: 200px; object-fit: cover; }
.bonus-content { padding: 24px; flex: 1; }
.bonus-tag {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.bonus-content h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
.bonus-content p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* === INGREDIENTS === */
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ing-card {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  border-left: 4px solid var(--accent);
  box-shadow: 0 2px 12px rgba(15,76,129,0.08);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.ing-card.aos-animate {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ing-card:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.ing-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
.ing-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* === SCIENCE === */
.sci-list { display: flex; flex-direction: column; gap: 20px; max-width: 900px; margin: 0 auto; }
.sci-item {
  display: flex;
  gap: 20px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: 0 2px 12px rgba(15,76,129,0.08);
  border: 1px solid #e8f0fe;
  transition: var(--transition);
}
.sci-item:hover { box-shadow: var(--shadow); border-color: var(--accent); }
.sci-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.sci-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
.sci-item p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* === GUARANTEE === */
.guarantee-container {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}
.guarantee-img { max-width: 240px; flex-shrink: 0; margin: 0 auto; }
.guarantee-content { flex: 1; min-width: 280px; }
.guarantee-intro { margin-bottom: 24px; font-size: 16px; color: var(--text-light); }
.guarantee-point {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}
.g-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.guarantee-point h3 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.guarantee-point p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.guarantee-content .btn { margin-top: 12px; }

/* === BENEFITS === */
.benefits-grid { display: flex; flex-direction: column; gap: 20px; max-width: 900px; margin: 0 auto; }
.benefit-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 24px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(15,76,129,0.08);
  border: 1px solid #e8f0fe;
  transition: var(--transition);
  opacity: 0;
  transform: translateX(-20px);
}
.benefit-item.aos-animate {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.benefit-item:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateX(4px); }
.ben-icon { font-size: 32px; flex-shrink: 0; }
.benefit-item h3 { font-size: 17px; color: var(--primary); margin-bottom: 6px; }
.benefit-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* === FAQ === */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 2px solid #e8f0fe;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.active { border-color: var(--accent); }
.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--primary);
  cursor: pointer;
  text-align: left;
  min-height: 60px;
  gap: 12px;
  transition: background 0.2s;
}
.faq-header:hover { background: var(--bg-light); }
.faq-icon { font-size: 22px; font-weight: 300; color: var(--accent); flex-shrink: 0; transition: transform 0.3s; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.active .faq-body { max-height: 500px; padding: 0 22px 20px; }
.faq-body p { font-size: 15px; color: var(--text-light); line-height: 1.75; }

/* === FINAL CTA === */
.final-cta {
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 80px 0;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.final-cta-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}
.final-cta-content { flex: 1; min-width: 280px; }
.final-h2 {
  font-size: clamp(28px, 4vw, 48px);
  color: #fff;
  margin-bottom: 8px;
}
.final-h3 {
  font-size: clamp(20px, 3vw, 34px);
  color: var(--accent2);
  margin-bottom: 20px;
}
.final-desc { color: rgba(255,255,255,0.85); margin-bottom: 20px; font-size: 16px; }
.final-price { margin-bottom: 8px; }
.regular-price { display: block; font-size: 16px; color: rgba(255,255,255,0.6); margin-bottom: 4px; }
.special-price {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--gold);
  font-weight: 800;
}
.final-guarantee { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 14px; }
.final-img-wrap {
  flex: 0 0 auto;
  position: relative;
  max-width: 380px;
  width: 100%;
  display: flex;
  justify-content: center;
}
.final-img {
  max-width: 300px;
  width: 100%;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(0,180,216,0.5));
}
.final-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(249,199,79,0.5);
  animation: badgeBounce 2s ease-in-out infinite;
}

/* === FOOTER === */
.footer {
  background: #0a2342;
  color: rgba(255,255,255,0.8);
  padding: 50px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 10px; color: rgba(255,255,255,0.65); }
.footer-logo-text { font-size: 22px; color: #fff; }
.social-links { display: flex; gap: 12px; margin-top: 18px; }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-link:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-links-col a:hover { color: var(--accent); }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.legal-link { font-size: 13px; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.3); }
.footer-disclaimer {
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
}
.footer-disclaimer p { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.7; margin-bottom: 10px; }
.footer-disclaimer p:last-child { margin-bottom: 0; }
.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: var(--accent); }

/* === NOTIFICATION POPUP === */
.notif-popup {
  position: fixed;
  bottom: 24px;
  left: 16px;
  max-width: 320px;
  background: #fff;
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 8px 32px rgba(15,76,129,0.2);
  font-size: 14px;
  z-index: 9000;
  transform: translateX(-400px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-left: 4px solid var(--green);
  display: flex;
  align-items: center;
  gap: 10px;
}
.notif-popup.show { transform: translateX(0); }
.notif-popup .notif-emoji { font-size: 24px; flex-shrink: 0; }
.notif-popup strong { color: var(--primary); font-weight: 700; }
.notif-popup small { display: block; color: var(--text-light); font-size: 12px; margin-top: 2px; }

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 16px;
  width: 48px;
  height: 48px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  transform: translateY(10px);
  font-weight: 700;
}
.scroll-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

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

/* Tablet & below */
@media (max-width: 1024px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .ing-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-pad { padding: 48px 0; }

  /* Nav */
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .btn-nav { display: none; }

  /* Hero */
  .hero { min-height: auto; padding: 50px 0 40px; }
  .hero-container { flex-direction: column-reverse; gap: 30px; text-align: center; }
  .hero-image-wrap { max-width: 260px; margin: 0 auto; }
  .hero-img { max-width: 220px; }
  .hero-stars { justify-content: center; }
  .hero-eyebrow { font-size: 12px; }
  .btn-hero { width: 100%; font-size: 16px; padding: 16px 24px; }

  /* What is */
  .what-container { flex-direction: column-reverse; }
  .what-image { max-width: 100%; }

  /* How it works */
  .accordion-header { font-size: 14px; padding: 16px 18px; }

  /* Reviews */
  .reviews-grid { grid-template-columns: 1fr; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-8px); }
  .timer-seg span { font-size: 42px; }

  /* Bonus */
  .bonus-grid { grid-template-columns: 1fr; }

  /* Ingredients */
  .ing-grid { grid-template-columns: 1fr; }

  /* Science */
  .sci-item { flex-direction: column; gap: 10px; }

  /* Guarantee */
  .guarantee-container { flex-direction: column; text-align: center; }
  .guarantee-point { flex-direction: column; gap: 8px; text-align: left; }

  /* Benefits */
  .benefit-item { flex-direction: row; }

  /* Final CTA */
  .final-cta-container { flex-direction: column-reverse; text-align: center; gap: 30px; }
  .final-img-wrap { max-width: 260px; margin: 0 auto; }
  .final-img { max-width: 220px; }
  .btn-final { width: 100%; font-size: 16px; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .social-links { justify-content: center; }
  .footer-brand, .footer-brand p { text-align: center; }
  .footer-links-col { text-align: center; }
  .footer-legal-links { justify-content: center; }

  /* Badges */
  .badges-grid { grid-template-columns: 1fr; }
}

@media (max-width: 575px) {
  .badges-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .hero-badge-float { right: 0; font-size: 11px; }
}

@media (min-width: 576px) and (max-width: 768px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Large desktop */
@media (min-width: 1440px) {
  .container { max-width: 1320px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}