/* ===========================
   PotentVital - styles.css
   Design: Premium Medical Dark
   =========================== */

:root {
  --primary: #0D47A1;
  --primary-light: #1565C0;
  --accent: #00BCD4;
  --accent2: #00E5FF;
  --gold: #FFD700;
  --dark: #0A0E1A;
  --dark2: #111827;
  --card-bg: #1A2035;
  --card-border: rgba(0,188,212,0.18);
  --text: #E8EAF0;
  --text-muted: #9CA3AF;
  --white: #FFFFFF;
  --green: #10B981;
  --red: #EF4444;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 40px rgba(0,188,212,0.25);
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

* { -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

.accent { color: var(--accent); }
.highlight { color: var(--accent2); }
.highlight-gold { color: var(--gold); }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; }

section { padding: 80px 0; }

.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  margin-top: -1rem;
}

/* ========== BUTTONS ========== */
.btn-primary, .btn-hero, .btn-price, .btn-final, .btn-nav, .btn-popup {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
  min-height: 48px;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  padding: 14px 36px;
  font-size: 1rem;
}

.btn-hero {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: var(--white);
  padding: 18px 44px;
  font-size: 1.15rem;
  display: block;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 30px rgba(0,188,212,0.4);
  animation: pulse-glow 2s infinite;
}

.btn-price {
  background: linear-gradient(135deg, var(--green), #059669);
  color: var(--white);
  padding: 16px 24px;
  font-size: 1rem;
  display: block;
  width: 100%;
  border-radius: 12px;
  margin-top: 12px;
}

.btn-price.popular-btn {
  background: linear-gradient(135deg, var(--gold), #F59E0B);
  color: var(--dark);
}

.btn-final {
  background: linear-gradient(135deg, var(--gold), #F59E0B);
  color: var(--dark);
  padding: 20px 48px;
  font-size: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(255,215,0,0.4);
  animation: pulse-glow2 2s infinite;
  max-width: 480px;
  width: 100%;
}

.btn-final small { font-size: 0.8rem; font-weight: 400; opacity: 0.8; }

.btn-nav {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: var(--white);
  padding: 12px 28px;
  font-size: 0.95rem;
  border-radius: 50px;
}

.btn-popup {
  background: linear-gradient(135deg, var(--gold), #F59E0B);
  color: var(--dark);
  padding: 14px 32px;
  font-size: 1rem;
  display: block;
  width: 100%;
  margin: 1rem 0 0.5rem;
}

.btn-primary:hover, .btn-hero:hover, .btn-price:hover, .btn-final:hover, .btn-nav:hover, .btn-popup:hover {
  transform: scale(1.04);
  box-shadow: 0 12px 40px rgba(0,188,212,0.35);
}

@media (max-width: 768px) {
  .btn-primary:active, .btn-hero:active, .btn-price:active, .btn-final:active { transform: scale(0.98); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 8px 30px rgba(0,188,212,0.4); }
  50% { box-shadow: 0 8px 50px rgba(0,188,212,0.7); }
}
@keyframes pulse-glow2 {
  0%, 100% { box-shadow: 0 8px 40px rgba(255,215,0,0.4); }
  50% { box-shadow: 0 8px 60px rgba(255,215,0,0.7); }
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,14,26,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,188,212,0.15);
  transition: background 0.3s, padding 0.3s;
  padding: 0;
}

.navbar.scrolled {
  background: rgba(10,14,26,0.98);
  border-bottom-color: rgba(0,188,212,0.3);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
  transition: padding 0.3s;
}

.navbar.scrolled .nav-container { padding: 10px 24px; }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent2);
}

.nav-logo img { width: 40px; height: 40px; object-fit: cover; border-radius: 8px; }

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

.nav-link {
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { transform: scaleX(1); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent2);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.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); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--dark2);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 80px 30px 30px;
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
    border-left: 1px solid var(--card-border);
    box-shadow: -8px 0 40px rgba(0,0,0,0.5);
  }
  .nav-links.open { right: 0; }
  .nav-link {
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    font-size: 1.05rem;
  }
  .btn-nav { margin-top: 16px; width: 100%; text-align: center; }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
  background: linear-gradient(135deg, #0A0E1A 0%, #0D1B35 50%, #0A1F3D 100%);
}

.hero-bg-anim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(0,188,212,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(13,71,161,0.12) 0%, transparent 50%);
  animation: bgShift 8s ease-in-out infinite alternate;
}

@keyframes bgShift {
  from { opacity: 0.7; transform: scale(1); }
  to { opacity: 1; transform: scale(1.05); }
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-img-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrap img {
  max-width: 380px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(0,188,212,0.3));
}

.bottle-float { animation: bottleFloat 3s ease-in-out infinite; }

@keyframes bottleFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.hero-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,188,212,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
}

.badge-pill {
  position: absolute;
  background: rgba(10,14,26,0.85);
  border: 1px solid rgba(0,188,212,0.4);
  backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--accent2);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: fadeInBadge 0.5s ease forwards;
}

.badge-1 { top: 10%; right: -5%; animation-delay: 0.5s; opacity: 0; }
.badge-2 { bottom: 30%; right: -8%; animation-delay: 1s; opacity: 0; }
.badge-3 { bottom: 10%; left: -5%; animation-delay: 1.5s; opacity: 0; }

@keyframes fadeInBadge {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero-tag {
  display: inline-block;
  background: rgba(0,188,212,0.12);
  border: 1px solid rgba(0,188,212,0.3);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 20px;
  animation: slideDown 0.6s ease;
}

.hero-content h1 {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
  animation: slideUp 0.7s ease;
}

.hero-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
  animation: slideUp 0.8s ease;
}

.hero-stars {
  color: var(--gold);
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 24px;
  font-size: 1rem;
  animation: slideUp 0.9s ease;
}

.hero-stars span { color: var(--text-muted); font-size: 0.9rem; }

.hero-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  animation: slideUp 1s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-image { order: -1; }
  .hero-img-wrap img { max-width: 280px; }
  .btn-hero { margin: 0 auto; }
  .badge-1 { right: 2%; }
  .badge-2 { right: 2%; }
  .badge-3 { left: 2%; }
}

@media (max-width: 480px) {
  .hero { padding-top: 80px; }
  .hero-img-wrap img { max-width: 220px; }
  .badge-pill { font-size: 0.72rem; padding: 6px 12px; }
}

/* ========== WHY CHOOSE ========== */
.why-choose {
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark2) 100%);
}

.why-choose h2 {
  text-align: center;
  font-size: clamp(24px, 3.5vw, 40px);
  margin-bottom: 0.5rem;
  color: var(--white);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 2.5rem;
}

.badge-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.badge-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.badge-card h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 10px;
  font-weight: 800;
}

.badge-card p { color: var(--text-muted); font-size: 0.92rem; }

@media (max-width: 900px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .badges-grid { grid-template-columns: 1fr; }
}

/* ========== WHAT IS ========== */
.what-is { background: var(--dark); }

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

.what-is-image img {
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--card-border);
}

.what-is-content h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  margin-bottom: 20px;
  color: var(--white);
}

.what-is-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.what-is-content .btn-primary { margin-top: 24px; }

@media (max-width: 768px) {
  .what-is-grid { grid-template-columns: 1fr; }
  .what-is-image { order: -1; }
}

/* ========== HOW IT WORKS ========== */
.how-it-works { background: var(--dark2); }

.how-it-works h2 {
  text-align: center;
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--white);
  margin-bottom: 8px;
}

.accordion-list { max-width: 860px; margin: 2.5rem auto 0; display: flex; flex-direction: column; gap: 12px; }

.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  cursor: pointer;
  text-align: left;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s;
  min-height: 60px;
}

.accordion-header:hover { background: rgba(0,188,212,0.06); }

.acc-icon { font-size: 1.3rem; flex-shrink: 0; }

.acc-arrow {
  margin-left: auto;
  transition: transform 0.3s;
  color: var(--accent);
  font-size: 0.8rem;
  flex-shrink: 0;
}

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

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
}

.accordion-item.active .accordion-body {
  max-height: 300px;
  padding: 0 24px 20px;
}

.accordion-body p { color: var(--text-muted); font-size: 0.97rem; }

/* ========== REVIEWS ========== */
.reviews { background: var(--dark); }

.reviews h2 {
  text-align: center;
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--white);
  margin-bottom: 8px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 2.5rem;
}

.review-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

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

.reviewer-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
}

.review-header strong { display: block; color: var(--white); font-family: var(--font-head); }
.review-header span { font-size: 0.85rem; color: var(--text-muted); }
.stars { color: var(--gold); font-size: 0.9rem; }

.review-card p { color: var(--text-muted); font-size: 0.97rem; }

@media (max-width: 768px) {
  .reviews-grid { grid-template-columns: 1fr; }
}

/* ========== PRICING ========== */
.pricing {
  background: linear-gradient(180deg, var(--dark2) 0%, #0A1225 100%);
  text-align: center;
}

.pricing h2 {
  font-size: clamp(22px, 3.5vw, 38px);
  color: var(--white);
  margin-bottom: 8px;
}

.countdown-wrap {
  background: rgba(0,188,212,0.07);
  border: 1px solid rgba(0,188,212,0.2);
  border-radius: 16px;
  padding: 24px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 2rem 0;
}

.countdown-label {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}

.countdown {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-box {
  background: var(--dark);
  border: 2px solid var(--accent);
  border-radius: 10px;
  padding: 12px 20px;
  min-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.time-box span {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent2);
  line-height: 1;
}

.time-box small {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-top: 4px;
}

.colon {
  font-size: 2rem;
  color: var(--accent);
  font-weight: 900;
  animation: blinkColon 1s infinite;
}

@keyframes blinkColon {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 0 auto;
  max-width: 960px;
}

.price-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 28px 20px;
  position: relative;
  transition: transform 0.3s;
}

.price-card.popular {
  border-color: var(--gold);
  box-shadow: 0 0 40px rgba(255,215,0,0.15);
  transform: scale(1.04);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #F59E0B);
  color: var(--dark);
  padding: 6px 18px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.82rem;
  white-space: nowrap;
}

.price-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.price-bottles {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
}

.price-supply {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.price-card img:not(.payment-logos) {
  max-height: 180px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.price-per {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent2);
}

.price-per span { font-size: 1rem; color: var(--text-muted); }

.price-total {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--green);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.price-total s { color: var(--red); font-weight: 400; }

.bonus-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 10px 0;
}

.bonus-badges span {
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-family: var(--font-head);
  font-weight: 600;
}

.payment-logos {
  max-height: 32px;
  object-fit: contain;
  margin: 12px auto 0;
  opacity: 0.7;
}

.rating-img-wrap {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
}

.rating-img-wrap img { max-height: 50px; object-fit: contain; }

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 360px; }
  .price-card.popular { transform: scale(1); }
  .time-box span { font-size: 1.8rem; }
  .time-box { min-width: 64px; }
}

/* ========== BONUSES ========== */
.bonuses {
  background: var(--dark);
  text-align: center;
}

.bonuses h2 {
  font-size: clamp(22px, 3.5vw, 38px);
  color: var(--white);
  margin-bottom: 8px;
}

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 2.5rem;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.bonus-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: transform 0.3s;
}

.bonus-card:hover { transform: translateY(-6px); }

.bonus-num {
  background: linear-gradient(135deg, var(--gold), #F59E0B);
  color: var(--dark);
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.bonus-card img {
  max-height: 200px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.bonus-card h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 10px;
}

.bonus-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 12px; }

.bonus-value {
  color: var(--green);
  font-family: var(--font-head);
  font-weight: 700;
}

.bonus-value s { color: var(--text-muted); }

@media (max-width: 768px) {
  .bonus-grid { grid-template-columns: 1fr; }
}

/* ========== INGREDIENTS ========== */
.ingredients { background: var(--dark2); }

.ingredients h2 {
  text-align: center;
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--white);
  margin-bottom: 8px;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 2.5rem;
}

.ingredient-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.3s, border-color 0.3s;
}

.ingredient-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,188,212,0.4);
}

.ing-icon { font-size: 2rem; margin-bottom: 12px; }

.ingredient-card h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.ingredient-card p { color: var(--text-muted); font-size: 0.92rem; }

@media (max-width: 900px) {
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .ingredients-grid { grid-template-columns: 1fr; }
}

/* ========== SCIENCE ========== */
.science { background: var(--dark); }

.science h2 {
  text-align: center;
  font-size: clamp(22px, 3.5vw, 38px);
  color: var(--white);
  margin-bottom: 8px;
}

.science-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 2.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.science-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
}

.science-item h3 {
  font-size: 1.05rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.science-item p { color: var(--text-muted); font-size: 0.97rem; line-height: 1.75; }

/* ========== GUARANTEE ========== */
.guarantee {
  background: var(--dark2);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.guarantee-image img {
  border-radius: 20px;
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 10px 40px rgba(0,188,212,0.2));
}

.guarantee-content h2 {
  font-size: clamp(22px, 3.5vw, 36px);
  color: var(--white);
  margin-bottom: 16px;
}

.guarantee-content > p { color: var(--text-muted); margin-bottom: 24px; }

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

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

.guar-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  width: 48px;
  text-align: center;
}

.guar-point h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 4px;
}

.guar-point p { color: var(--text-muted); font-size: 0.93rem; }

@media (max-width: 768px) {
  .guarantee-grid { grid-template-columns: 1fr; }
  .guarantee-image { text-align: center; }
}

/* ========== BENEFITS ========== */
.benefits { background: var(--dark); }

.benefits h2 {
  text-align: center;
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--white);
  margin-bottom: 8px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 2.5rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.3s;
}

.benefit-item:hover { transform: translateX(6px); }

.benefit-check { font-size: 1.5rem; flex-shrink: 0; }

.benefit-item h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 6px;
}

.benefit-item p { color: var(--text-muted); font-size: 0.92rem; }

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

/* ========== FAQ ========== */
.faq { background: var(--dark2); }

.faq h2 {
  text-align: center;
  font-size: clamp(22px, 3.5vw, 38px);
  color: var(--white);
  margin-bottom: 2rem;
}

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

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-header {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  text-align: left;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  min-height: 60px;
  transition: background 0.2s;
}

.faq-header:hover { background: rgba(0,188,212,0.06); }

.faq-arrow {
  color: var(--accent);
  font-size: 0.8rem;
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
}

.faq-item.active .faq-body {
  max-height: 200px;
  padding: 0 24px 20px;
}

.faq-body p { color: var(--text-muted); font-size: 0.97rem; }

/* ========== FINAL CTA ========== */
.final-cta {
  position: relative;
  background: linear-gradient(135deg, #0A1225 0%, #0D1B35 50%, #0A0E1A 100%);
  overflow: hidden;
  padding: 100px 0;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0,188,212,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,215,0,0.07) 0%, transparent 50%);
  animation: bgShift 6s ease-in-out infinite alternate;
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
  justify-content: center;
  flex-wrap: wrap;
}

.final-img {
  max-width: 280px;
  filter: drop-shadow(0 20px 60px rgba(0,188,212,0.3));
  animation: bottleFloat 3s ease-in-out infinite;
}

.final-content { max-width: 540px; }

.urgency-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--red), #DC2626);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 1px;
  margin-bottom: 16px;
  animation: pulseBadge 1.5s ease-in-out infinite;
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.final-content h2 {
  font-size: clamp(24px, 4vw, 42px);
  color: var(--white);
  margin-bottom: 16px;
}

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

.old-price {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.new-price {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gold);
}

.final-content p { color: var(--text-muted); margin-bottom: 24px; }

.final-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.final-badges span {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-family: var(--font-head);
  font-weight: 600;
}

@media (max-width: 768px) {
  .final-cta-inner { flex-direction: column; text-align: center; }
  .final-img { max-width: 200px; }
  .final-badges { justify-content: center; }
  .btn-final { margin: 0 auto; }
}

/* ========== FOOTER ========== */
.footer {
  background: #060910;
  border-top: 1px solid rgba(0,188,212,0.15);
  padding: 60px 0 30px;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand img { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; }

.footer-brand span {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent2);
}

.footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 280px; }

.footer-links-col h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-links-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-links-col a:hover { color: var(--accent); }

.footer-social-col h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 16px;
}

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

.social-icons a {
  font-size: 1.5rem;
  transition: transform 0.2s;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icons a:hover { transform: scale(1.2); }

.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px;
  text-align: center;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.legal-link {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.legal-link:hover { color: var(--accent); }

.link-separator { color: var(--text-muted); }

.disclaimer-text {
  color: var(--text-muted);
  font-size: 0.82rem;
  max-width: 800px;
  margin: 0 auto 12px;
  line-height: 1.6;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.copyright a { color: var(--accent); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .footer-brand { align-items: center; }
  .footer-brand p { max-width: 100%; }
  .social-icons { justify-content: center; }
}

/* ========== POPUP ========== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  padding: 20px;
}

.popup-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.popup-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 40px 32px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5), 0 0 60px rgba(0,188,212,0.15);
  animation: popupIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes popupIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.popup-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
}

.popup-close:hover { background: rgba(0,188,212,0.1); color: var(--accent); }

.popup-icon { font-size: 3rem; margin-bottom: 12px; }

.popup-box h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 10px;
}

.popup-box p { color: var(--text-muted); margin-bottom: 4px; }
.popup-box small { color: var(--text-muted); font-size: 0.8rem; }

/* MOBILE POPUP BANNER */
.mobile-popup {
  position: fixed;
  bottom: -100px;
  left: 0; right: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  z-index: 9998;
  padding: 12px 16px;
  transition: bottom 0.4s ease;
}

.mobile-popup.show { bottom: 0; }

.mobile-popup-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  max-width: 600px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.mobile-popup-inner span {
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  flex: 1;
}

.mobile-popup-inner a {
  background: var(--white);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  min-height: 40px;
  display: flex;
  align-items: center;
}

.mobile-popup-inner button {
  background: rgba(255,255,255,0.2);
  border: none;
  color: var(--white);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== PURCHASE NOTIFICATION ========== */
.purchase-notif {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 18px;
  z-index: 9000;
  transform: translateX(-200%);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: var(--shadow);
  max-width: 280px;
}

.purchase-notif.show { transform: translateX(0); }

.notif-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.notif-icon { font-size: 1.5rem; }

.notif-inner strong { display: block; color: var(--white); font-family: var(--font-head); font-size: 0.95rem; }
.notif-inner small { color: var(--text-muted); font-size: 0.82rem; }

/* ========== SCROLL TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 8000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

.scroll-top:hover { transform: scale(1.1); }

/* ========== AOS (custom) ========== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="zoom-in"] { transform: scale(0.9); }
[data-aos="slide-up"] { transform: translateY(40px); }

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .bottle-float, .hero-glow, .hero-bg-anim { animation: none; }
}