/* =============================================
   NEUROSMILE - COMPLETE STYLESHEET
   Design: Medical Professional + Premium
   Colors: Deep Navy, Electric Blue, Gold Accent
   Fonts: Montserrat (headings) + Open Sans (body)
============================================= */

/* === CSS VARIABLES === */
:root {
  --primary: #1A237E;
  --primary-light: #3949AB;
  --secondary: #0288D1;
  --accent: #FFB300;
  --accent-dark: #F57F17;
  --success: #00897B;
  --danger: #E53935;
  --text-dark: #0D1B2A;
  --text-body: #2D3748;
  --text-muted: #718096;
  --white: #FFFFFF;
  --off-white: #F8FAFF;
  --light-blue: #E3F2FD;
  --border: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(26, 35, 126, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 35, 126, 0.14);
  --shadow-lg: 0 16px 48px rgba(26, 35, 126, 0.20);
  --shadow-xl: 0 24px 64px rgba(26, 35, 126, 0.28);
  --gradient-hero: linear-gradient(135deg, #0D1B2A 0%, #1A237E 50%, #0288D1 100%);
  --gradient-section: linear-gradient(180deg, #F8FAFF 0%, #E3F2FD 100%);
  --gradient-accent: linear-gradient(135deg, #FFB300, #FF6F00);
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

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

ul {
  list-style: none;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-dark);
}

h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
h4 { font-size: clamp(16px, 2.5vw, 20px); }

p { font-size: 16px; line-height: 1.75; color: var(--text-body); }

strong { font-weight: 700; color: var(--primary); }

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

@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 40px; } }

/* === UTILITY === */
.section-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
}
.section-eyebrow.center { text-align: center; }

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.section-title.left-align { text-align: left; }
.section-title .accent, .highlight-text { color: var(--secondary); }
.brand-name { color: var(--accent); }

.section-sub {
  text-align: center;
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === SCROLL REVEAL === */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease 0.15s, transform 0.8s ease 0.15s;
}
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal, .fade-in-left, .fade-in-right {
    opacity: 1; transform: none; transition: none;
  }
}

/* =============================================
   PURCHASE NOTIFICATION
============================================= */
.purchase-notif {
  position: fixed;
  bottom: 80px;
  left: 16px;
  z-index: 9000;
  transform: translateX(-200%);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 300px;
}
.purchase-notif.show { transform: translateX(0); }
.notif-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 2px solid var(--secondary);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
}
.notif-img { width: 50px; height: 50px; object-fit: contain; border-radius: 8px; flex-shrink: 0; }
.notif-text { font-size: 13px; line-height: 1.4; flex: 1; }
.notif-text strong { color: var(--primary); display: block; }
.notif-close {
  background: none; border: none; cursor: pointer;
  font-size: 14px; color: var(--text-muted); padding: 4px;
  flex-shrink: 0;
}
@media (max-width: 480px) {
  .purchase-notif { bottom: 16px; left: 12px; right: 12px; max-width: none; }
}

/* =============================================
   EXIT POPUP
============================================= */
.exit-popup-overlay {
  position: fixed; inset: 0;
  background: rgba(13, 27, 42, 0.85);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  padding: 20px;
}
.exit-popup-overlay.show { opacity: 1; visibility: visible; }

.exit-popup-box {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 3px solid var(--accent);
  animation: popupIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes popupIn {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.exit-popup-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none; font-size: 20px;
  cursor: pointer; color: var(--text-muted); padding: 4px 8px;
  border-radius: 50%;
  transition: var(--transition);
}
.exit-popup-close:hover { background: var(--border); }

.exit-popup-badge {
  display: inline-block;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 800;
  letter-spacing: 1px;
  padding: 6px 16px; border-radius: 99px;
  margin-bottom: 16px;
}
.exit-popup-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.exit-popup-desc {
  font-size: 16px; color: var(--text-body);
  margin-bottom: 24px;
}
.exit-popup-cta {
  display: block;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800; font-size: 17px;
  padding: 16px 32px; border-radius: 12px;
  text-align: center; margin-bottom: 14px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255, 179, 0, 0.4);
}
.exit-popup-cta:hover { transform: scale(1.03); box-shadow: 0 8px 28px rgba(255, 179, 0, 0.5); }
.exit-popup-skip {
  display: block; font-size: 13px; color: var(--secondary);
  text-decoration: underline;
}

@media (max-width: 480px) {
  .exit-popup-box { padding: 28px 20px; }
  .exit-popup-title { font-size: 22px; }
}

/* =============================================
   SCROLL TO TOP
============================================= */
.scroll-top-btn {
  position: fixed;
  bottom: 24px; right: 20px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none; cursor: pointer;
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 8000;
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}
.scroll-top-btn.show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn:hover { background: var(--secondary); transform: translateY(-3px); }

/* =============================================
   SECTION 1: NAVIGATION
============================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 9999;
  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);
}
.site-header.scrolled {
  background: rgba(13, 27, 42, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px; font-weight: 900;
  color: var(--white); letter-spacing: -0.5px;
}
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 600;
  padding: 8px 14px; border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.1); }

.nav-cta-btn {
  background: var(--gradient-accent);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 800;
  padding: 10px 22px; border-radius: 10px;
  min-height: 44px;
  display: inline-flex; align-items: center;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(255, 179, 0, 0.4);
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(255, 179, 0, 0.5); }

.hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px;
  padding: 8px;
}
.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; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-container { height: 64px; }
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(13, 27, 42, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-link, .nav-cta-btn {
    width: 100%; text-align: center; padding: 14px;
    font-size: 16px;
  }
}

/* =============================================
   SECTION 2: HERO
============================================= */
.hero-section {
  background: var(--gradient-hero);
  min-height: 100vh;
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center;
}

.hero-particles {
  position: absolute; inset: 0;
  pointer-events: none; overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative; z-index: 2;
}

/* Hero Image */
.hero-image-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero-glow {
  position: absolute;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(2, 136, 209, 0.5) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulseGlow 3s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-bottle-float {
  position: relative; z-index: 2;
  animation: floatBottle 4s ease-in-out infinite;
}
@keyframes floatBottle {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-bottle {
  width: 100%; max-width: 380px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}

.hero-badge {
  position: absolute;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 700;
  padding: 8px 14px; border-radius: 99px;
  animation: badgeFloat 3s ease-in-out infinite;
}
.hero-badge-1 { top: 10%; right: 0; animation-delay: 0s; }
.hero-badge-2 { top: 45%; left: -10px; animation-delay: 0.8s; }
.hero-badge-3 { bottom: 15%; right: 5%; animation-delay: 1.6s; }

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Hero Content */
.hero-eyebrow {
  display: inline-block;
  background: rgba(255, 179, 0, 0.2);
  border: 1px solid rgba(255, 179, 0, 0.5);
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 800;
  letter-spacing: 2px; text-transform: uppercase;
  padding: 8px 16px; border-radius: 99px;
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.1;
}
.hero-title .highlight-text { color: var(--accent); }
.hero-title .brand-name {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  margin-bottom: 16px;
  line-height: 1.75;
}
.hero-desc strong { color: var(--accent); -webkit-text-fill-color: var(--accent); }

.hero-features {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.hero-features span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 600;
  padding: 8px 14px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-hero {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 18px; font-weight: 800;
  padding: 18px 36px; border-radius: 14px;
  min-height: 60px;
  box-shadow: 0 8px 28px rgba(255, 179, 0, 0.5);
  transition: var(--transition);
  margin-bottom: 20px;
  width: 100%;
  text-align: center;
  animation: btnPulse 2.5s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 8px 28px rgba(255, 179, 0, 0.5); }
  50% { box-shadow: 0 12px 36px rgba(255, 179, 0, 0.75), 0 0 0 8px rgba(255, 179, 0, 0.12); }
}
.btn-hero:hover {
  transform: scale(1.04) translateY(-2px);
  animation: none;
  box-shadow: 0 14px 40px rgba(255, 179, 0, 0.65);
}
.btn-hero:active { transform: scale(0.98); }

.hero-guarantee {
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 767px) {
  .hero-section { padding: 80px 0 48px; min-height: auto; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-bottle { max-width: 260px; margin: 0 auto; }
  .hero-glow { width: 240px; height: 240px; }
  .hero-badge-1 { top: 5%; right: 10%; }
  .hero-badge-2 { display: none; }
  .hero-badge-3 { bottom: 5%; right: 8%; }
  .hero-features { justify-content: center; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 16px; }
}

/* =============================================
   SECTION 3: WHY CHOOSE US
============================================= */
.why-section {
  padding: 80px 0;
  background: var(--off-white);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.why-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.why-icon-wrap {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--light-blue);
  display: flex; align-items: center; justify-content: center;
}
.why-icon { width: 70px; height: 70px; object-fit: contain; }
.why-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--primary); }
.why-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

@media (max-width: 991px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .why-grid { grid-template-columns: 1fr; } }

/* =============================================
   SECTION 4: WHAT IS NEUROSMILE
============================================= */
.what-is-section {
  padding: 80px 0;
  background: var(--white);
}
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.img-frame {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}
.img-frame::before {
  content: '';
  position: absolute; inset: -3px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--border-radius-lg);
  z-index: -1;
}
.img-frame img { width: 100%; border-radius: var(--border-radius-lg); }
.what-is-content p { margin-bottom: 18px; }
.what-is-stats {
  display: flex; gap: 24px; margin-top: 32px;
  flex-wrap: wrap;
}
.stat {
  text-align: center;
  padding: 20px 24px;
  background: var(--light-blue);
  border-radius: var(--border-radius);
  flex: 1; min-width: 80px;
}
.stat-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 30px; font-weight: 900;
  color: var(--primary);
}
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 600; }

@media (max-width: 767px) {
  .what-is-grid { grid-template-columns: 1fr; gap: 36px; }
  .what-is-content .section-title { text-align: center; }
  .what-is-stats { justify-content: center; }
}

/* =============================================
   SECTION 5: HOW IT WORKS
============================================= */
.how-section {
  padding: 80px 0;
  background: var(--gradient-section);
}
.accordion-list { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--white);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-header {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px;
  text-align: left;
  min-height: 68px;
  transition: var(--transition);
}
.accordion-header:hover { background: var(--light-blue); }
.accordion-header[aria-expanded="true"] { background: var(--light-blue); }
.acc-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 900;
  color: var(--secondary);
  min-width: 32px;
}
.acc-title {
  flex: 1;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px; font-weight: 700;
  color: var(--text-dark);
}
.acc-arrow {
  font-size: 12px; color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-header[aria-expanded="true"] .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), padding 0.3s ease;
  padding: 0 24px;
}
.accordion-body.open { max-height: 300px; padding: 0 24px 24px; }
.accordion-body p { font-size: 15px; line-height: 1.75; }

@media (max-width: 480px) {
  .accordion-header { padding: 16px 18px; }
  .acc-title { font-size: 14px; }
}

/* =============================================
   SECTION 6: CUSTOMER REVIEWS
============================================= */
.reviews-section {
  padding: 80px 0;
  background: var(--white);
}
.stars-row {
  text-align: center; margin-bottom: 40px;
  font-size: 18px; color: var(--text-muted);
}
.stars-row strong { color: var(--text-dark); font-size: 20px; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.review-card {
  background: var(--off-white);
  border-radius: var(--border-radius);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.review-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
  border: 3px solid var(--secondary);
}
.review-name { font-family: 'Montserrat', sans-serif; font-size: 16px; font-weight: 700; color: var(--text-dark); }
.review-location { font-size: 12px; color: var(--text-muted); margin: 2px 0; }
.review-stars { font-size: 14px; }
.review-text { font-size: 15px; line-height: 1.75; color: var(--text-body); font-style: italic; }
.review-verified { margin-top: 14px; font-size: 12px; color: var(--success); font-weight: 700; }

@media (max-width: 767px) { .reviews-grid { grid-template-columns: 1fr; } }
@media (min-width: 576px) and (max-width: 767px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }

/* =============================================
   SECTION 7 & 13: PRICING
============================================= */
.pricing-section {
  padding: 80px 0;
  background: var(--gradient-section);
}
.pricing-section-2 { background: var(--off-white); }

/* Timer */
.timer-box {
  background: var(--primary);
  border-radius: var(--border-radius);
  padding: 20px 32px;
  display: flex; align-items: center; justify-content: center;
  gap: 20px; flex-wrap: wrap;
  margin-bottom: 48px;
  box-shadow: var(--shadow-md);
}
.timer-label {
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-size: 16px; font-weight: 700;
  letter-spacing: 1px;
}
.timer-digits { display: flex; align-items: center; gap: 8px; }
.timer-unit {
  text-align: center;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 12px 20px;
  min-width: 70px;
}
.timer-unit span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 40px; font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.timer-unit small {
  font-size: 11px; font-weight: 700;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
}
.timer-sep {
  font-size: 36px; font-weight: 900;
  color: var(--accent);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-popular {
  border-color: var(--secondary);
  box-shadow: 0 8px 32px rgba(2, 136, 209, 0.25);
  transform: scale(1.04);
}
.pricing-popular:hover { transform: scale(1.04) translateY(-6px); }

.popular-badge {
  position: absolute; top: -16px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 800;
  padding: 6px 18px; border-radius: 99px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(255, 179, 0, 0.4);
}

.pricing-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 800;
  letter-spacing: 2px; color: var(--text-muted);
  margin-bottom: 4px;
}
.pricing-bottles {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px; font-weight: 900;
  color: var(--primary); margin-bottom: 4px;
}
.pricing-supply {
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 20px;
}
.pricing-img {
  width: 180px; max-width: 100%; margin: 0 auto 20px;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.15));
  transition: transform 0.4s ease;
}
.pricing-card:hover .pricing-img { transform: scale(1.05); }
.pricing-per {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px; font-weight: 900; color: var(--primary);
}
.pricing-per span { font-size: 16px; font-weight: 600; color: var(--text-muted); }
.pricing-total {
  font-size: 18px; margin: 8px 0 16px;
  color: var(--text-muted);
}
.pricing-total del { color: var(--danger); }
.pricing-total strong { color: var(--success); font-size: 22px; }
.pricing-badges {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 16px;
}
.pbadge {
  display: inline-block; padding: 6px 12px;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 800;
}
.pbadge.green { background: rgba(0, 137, 123, 0.1); color: var(--success); border: 1px solid rgba(0,137,123,0.25); }
.pbadge.blue { background: rgba(2, 136, 209, 0.1); color: var(--secondary); border: 1px solid rgba(2,136,209,0.25); }

.btn-pricing {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  background: var(--primary);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 16px; font-weight: 800;
  padding: 16px; border-radius: 12px;
  min-height: 52px;
  transition: var(--transition);
  margin: 16px 0 12px;
  box-shadow: 0 4px 16px rgba(26, 35, 126, 0.3);
}
.btn-pricing:hover { background: var(--primary-light); transform: scale(1.03); box-shadow: 0 8px 24px rgba(26, 35, 126, 0.4); }
.btn-pricing:active { transform: scale(0.98); }
.popular-btn { background: var(--gradient-accent); box-shadow: 0 4px 16px rgba(255, 179, 0, 0.4); }
.popular-btn:hover { box-shadow: 0 8px 24px rgba(255, 179, 0, 0.55); }
.atc-img { height: 24px; width: auto; }
.cards-img { height: 28px; width: auto; margin: 8px auto 0; }

.five-star-row {
  text-align: center; margin-top: 40px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  flex-wrap: wrap;
  font-family: 'Montserrat', sans-serif; font-size: 15px; font-weight: 700; color: var(--text-muted);
}
.five-star-row img { height: 36px; width: auto; }

@media (max-width: 767px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .pricing-popular { transform: scale(1); }
  .pricing-popular:hover { transform: translateY(-6px); }
  .timer-box { flex-direction: column; gap: 12px; text-align: center; }
  .timer-unit span { font-size: 48px; }
}
@media (min-width: 576px) and (max-width: 767px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: none; }
  .pricing-popular { grid-column: span 2; }
}

/* =============================================
   SECTION 8: BONUS
============================================= */
.bonus-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0D1B2A 0%, #1A237E 100%);
}
.bonus-section .section-title { color: var(--white); }
.bonus-section .section-sub { color: rgba(255,255,255,0.7); }
.bonus-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  margin-top: 16px;
}
.bonus-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--border-radius-lg);
  padding: 36px 28px; text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}
.bonus-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}
.bonus-num {
  display: inline-block;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 800;
  padding: 6px 16px; border-radius: 99px; margin-bottom: 20px;
}
.bonus-card img {
  width: 200px; max-width: 100%; margin: 0 auto 20px;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.bonus-card h3 { color: var(--white); margin-bottom: 12px; font-size: 20px; }
.bonus-card p { color: rgba(255,255,255,0.75); font-size: 15px; line-height: 1.7; }
.bonus-card p strong { color: var(--accent); -webkit-text-fill-color: var(--accent); }

@media (max-width: 767px) { .bonus-grid { grid-template-columns: 1fr; } }

/* =============================================
   SECTION 9: INGREDIENTS
============================================= */
.ingredients-section {
  padding: 80px 0;
  background: var(--white);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.ingredient-card {
  background: var(--off-white);
  border-radius: var(--border-radius);
  padding: 28px 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
.ing-icon { font-size: 32px; margin-bottom: 12px; }
.ingredient-card h3 { font-size: 17px; color: var(--primary); margin-bottom: 10px; }
.ingredient-card p { font-size: 14px; color: var(--text-body); line-height: 1.65; margin-bottom: 12px; }
.ing-benefit {
  font-size: 13px; font-weight: 700;
  color: var(--success);
  padding: 6px 12px;
  background: rgba(0, 137, 123, 0.08);
  border-radius: 8px;
  display: inline-block;
}

@media (max-width: 991px) { .ingredients-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .ingredients-grid { grid-template-columns: 1fr; } }

/* =============================================
   SECTION 10: SCIENTIFIC EVIDENCE
============================================= */
.science-section {
  padding: 80px 0;
  background: var(--gradient-section);
}
.science-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 28px; margin-top: 16px;
}
.science-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 32px 28px;
  border-left: 4px solid var(--secondary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.science-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.science-card h3 { font-size: 18px; color: var(--primary); margin-bottom: 14px; }
.science-card p { font-size: 15px; line-height: 1.75; color: var(--text-body); }
.science-card em { color: var(--secondary); font-style: italic; }

@media (max-width: 767px) { .science-grid { grid-template-columns: 1fr; } }

/* =============================================
   SECTION 11: GUARANTEE
============================================= */
.guarantee-section {
  padding: 80px 0;
  background: var(--white);
}
.guarantee-grid {
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 64px; align-items: center;
}
.guarantee-image img {
  width: 100%; max-width: 360px; margin: 0 auto;
  filter: drop-shadow(0 16px 32px rgba(26,35,126,0.2));
  animation: guaranteeFloat 4s ease-in-out infinite;
}
@keyframes guaranteeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.guarantee-item {
  display: flex; align-items: flex-start; gap: 20px;
  margin-bottom: 28px;
}
.guarantee-icon {
  font-size: 36px; flex-shrink: 0;
  width: 56px; height: 56px;
  background: var(--light-blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.guarantee-item h3 { font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.guarantee-item p { font-size: 15px; color: var(--text-body); line-height: 1.7; }

@media (max-width: 767px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .guarantee-item { flex-direction: column; align-items: center; text-align: center; }
  .guarantee-content .section-title { text-align: center; }
}

/* =============================================
   SECTION 12: BENEFITS
============================================= */
.benefits-section {
  padding: 80px 0;
  background: var(--gradient-section);
}
.benefits-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px; margin-top: 16px;
}
.benefit-item {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--white);
  padding: 24px; border-radius: var(--border-radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.benefit-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--secondary); }
.benefit-check {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--success);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 16px;
}
.benefit-text h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.benefit-text p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

@media (max-width: 767px) { .benefits-grid { grid-template-columns: 1fr; } }

/* =============================================
   SECTION 14: FAQ
============================================= */
.faq-section {
  padding: 80px 0;
  background: var(--white);
}
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.faq-item {
  background: var(--off-white);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-header {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px; font-weight: 700;
  color: var(--text-dark); text-align: left;
  min-height: 64px;
  transition: var(--transition);
}
.faq-header:hover { background: var(--light-blue); }
.faq-header[aria-expanded="true"] { background: var(--light-blue); color: var(--primary); }
.faq-arrow { font-size: 12px; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-header[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); }
.faq-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-body.open { max-height: 300px; padding: 0 24px 24px; }
.faq-body p { font-size: 15px; line-height: 1.75; }

@media (max-width: 480px) {
  .faq-header { padding: 16px 18px; font-size: 15px; }
}

/* =============================================
   SECTION 15: FINAL CTA
============================================= */
.final-cta-section {
  padding: 100px 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(2, 136, 209, 0.3) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
  position: relative; z-index: 2;
}

.final-cta-image {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.final-glow {
  position: absolute;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255, 179, 0, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: finalGlow 3.5s ease-in-out infinite;
}
@keyframes finalGlow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
}
.final-product-img {
  width: 100%; max-width: 380px;
  position: relative; z-index: 2;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,0.4));
  animation: finalFloat 4.5s ease-in-out infinite;
}
@keyframes finalFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-16px) scale(1.02); }
}
.final-float-badge {
  position: absolute; top: 10%; right: 5%;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 800;
  padding: 10px 20px; border-radius: 99px;
  box-shadow: 0 6px 20px rgba(255, 179, 0, 0.5);
  animation: badgeFloat 3s ease-in-out infinite;
  z-index: 3;
}

.final-cta-content { text-align: center; }
.final-urgency {
  display: inline-block;
  background: rgba(229, 57, 53, 0.25);
  border: 1px solid rgba(229, 57, 53, 0.5);
  color: #FF6B6B;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px; font-weight: 800;
  letter-spacing: 2px;
  padding: 8px 20px; border-radius: 99px;
  margin-bottom: 20px;
}
.final-cta-title {
  color: var(--white);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 900;
  margin-bottom: 28px;
  line-height: 1.2;
}
.final-cta-title .accent { color: var(--accent); }
.final-price-wrap { margin-bottom: 32px; }
.final-old-price {
  font-size: 16px; color: rgba(255,255,255,0.6);
  display: block; margin-bottom: 6px;
}
.final-old-price del { color: #FF6B6B; }
.final-new-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 48px; font-weight: 900;
  color: var(--accent);
}
.final-new-price strong { font-size: inherit; color: inherit; -webkit-text-fill-color: var(--accent); }
.final-savings {
  display: inline-block;
  background: var(--success);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 800;
  padding: 6px 18px; border-radius: 99px;
  margin-top: 8px;
}

.btn-final {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--gradient-accent);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 800;
  padding: 22px 40px; border-radius: 16px;
  min-height: 68px;
  width: 100%;
  box-shadow: 0 10px 36px rgba(255, 179, 0, 0.55);
  transition: var(--transition);
  margin-bottom: 24px;
  animation: btnPulse 2.5s ease-in-out infinite;
}
.btn-final:hover {
  transform: scale(1.04) translateY(-3px);
  animation: none;
  box-shadow: 0 16px 48px rgba(255, 179, 0, 0.70);
}
.btn-final:active { transform: scale(0.98); }

.final-trust {
  display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
  color: rgba(255,255,255,0.7);
  font-size: 14px; font-weight: 600;
  margin-bottom: 16px;
}
.final-disclaimer { font-size: 11px; color: rgba(255,255,255,0.4); }

@media (max-width: 767px) {
  .final-cta-inner { grid-template-columns: 1fr; gap: 36px; }
  .final-cta-image { order: 1; }
  .final-cta-content { order: 2; }
  .final-product-img { max-width: 260px; margin: 0 auto; }
  .final-glow { width: 220px; height: 220px; }
  .final-new-price { font-size: 36px; }
  .btn-final { font-size: 17px; padding: 18px 28px; }
}

/* =============================================
   SECTION 16: FOOTER
============================================= */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p {
  font-size: 14px; color: rgba(255,255,255,0.6);
  line-height: 1.75; margin-top: 16px;
  max-width: 320px;
}
.footer-social {
  display: flex; gap: 12px; margin-top: 20px;
}
.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-link:hover { background: var(--secondary); color: var(--white); transform: translateY(-2px); }
.social-link svg { width: 18px; height: 18px; }

.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links-col ul li { margin-bottom: 10px; }
.footer-links-col ul a {
  font-size: 14px; color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-links-col ul a:hover { color: var(--accent); }

.footer-disclaimer {
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-disclaimer p {
  font-size: 12px; color: rgba(255,255,255,0.4);
  line-height: 1.7; margin-bottom: 10px;
}
.footer-disclaimer strong { color: rgba(255,255,255,0.6); font-weight: 700; }

.footer-bottom {
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-legal-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.legal-link { font-size: 13px; color: rgba(255,255,255,0.5); transition: var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.2); }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-copy a { color: var(--accent); }

@media (max-width: 767px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .footer-brand p { max-width: none; }
  .footer-social { justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* =============================================
   HERO PARTICLES (canvas-like effect via CSS)
============================================= */
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(2, 136, 209, 0.3);
  animation: particleDrift linear infinite;
  pointer-events: none;
}
@keyframes particleDrift {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}