/* ===========================
   HARMO BRAIN - styles.css
   Design: Medical Professional + Premium
   Colors: #1E40AF, #3B82F6, #06B6D4, #0F172A
=========================== */

/* ---- 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: #0F172A;
  background: #fff;
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, select, textarea { font-size: 16px; }

/* ---- CSS VARIABLES ---- */
:root {
  --blue-dark: #1E3A8A;
  --blue: #1E40AF;
  --blue-mid: #2563EB;
  --blue-light: #3B82F6;
  --cyan: #06B6D4;
  --cyan-light: #67E8F9;
  --gold: #F59E0B;
  --green: #10B981;
  --red: #EF4444;
  --white: #FFFFFF;
  --off-white: #F0F4FF;
  --gray-light: #F8FAFC;
  --gray: #94A3B8;
  --dark: #0F172A;
  --shadow-sm: 0 2px 8px rgba(30,64,175,0.10);
  --shadow-md: 0 8px 30px rgba(30,64,175,0.15);
  --shadow-lg: 0 20px 60px rgba(30,64,175,0.20);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 3.5vw, 38px); }
h3 { font-size: clamp(18px, 2.5vw, 24px); }
h4 { font-size: clamp(16px, 2vw, 20px); }
p { font-size: clamp(15px, 1.5vw, 17px); line-height: 1.8; }

/* ---- 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; } }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  min-height: 52px;
  padding: 14px 32px;
  text-align: center;
  user-select: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(30,64,175,0.35);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(30,64,175,0.45); }
.btn-hero {
  background: linear-gradient(135deg, var(--gold) 0%, #EF4444 100%);
  color: #fff;
  box-shadow: 0 4px 24px rgba(245,158,11,0.4);
  font-size: 18px;
  padding: 18px 40px;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 10px 40px rgba(245,158,11,0.5); }
.btn-xl { font-size: 20px; padding: 20px 48px; min-height: 60px; }
@media (max-width: 575px) {
  .btn { width: 100%; font-size: 15px; padding: 14px 20px; }
  .btn-hero { font-size: 16px; }
  .btn-xl { font-size: 17px; padding: 16px 24px; }
}
.pulse-btn { animation: pulseShadow 2s infinite; }
@keyframes pulseShadow {
  0%,100% { box-shadow: 0 4px 24px rgba(245,158,11,0.4); }
  50% { box-shadow: 0 4px 40px rgba(245,158,11,0.7), 0 0 0 10px rgba(245,158,11,0.1); }
}

/* ---- SECTION COMMONS ---- */
section { padding: 80px 0; }
@media (max-width: 768px) { section { padding: 60px 0; } }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 16px; }
.section-sub { color: #475569; max-width: 680px; margin: 0 auto; font-size: 17px; }
.section-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 12px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- ANIMATIONS ---- */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible, .fade-left.visible, .fade-right.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-left, .fade-right { opacity: 1; transform: none; transition: none; }
  .pulse-btn { animation: none; }
}

/* ========================
   NAVIGATION
======================== */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,64,175,0.08);
  transition: box-shadow var(--transition);
}
.nav-header.scrolled { box-shadow: var(--shadow-md); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  color: var(--dark);
  white-space: nowrap;
}
.logo-icon { font-size: 28px; }
.logo-text { font-weight: 600; }
.logo-text strong { color: var(--blue); }
.desktop-nav { display: flex; align-items: center; gap: 32px; }
.desktop-nav a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: #334155;
  position: relative;
  transition: color var(--transition);
}
.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: var(--blue-light);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.desktop-nav a:hover { color: var(--blue); }
.desktop-nav a:hover::after { transform: scaleX(1); }
.nav-cta { min-height: 44px; padding: 10px 24px; font-size: 14px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--blue);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid rgba(30,64,175,0.08);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.mobile-menu.open { max-height: 400px; padding: 20px 0; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; padding: 0 20px; }
.mobile-nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: #334155;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  min-height: 48px;
  display: flex;
  align-items: center;
}
.mobile-nav-link:hover { background: var(--off-white); color: var(--blue); }
.mobile-nav-cta { margin-top: 12px; width: 100%; }

@media (max-width: 767px) {
  .desktop-nav, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
}

/* ========================
   HERO SECTION
======================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #1E40AF 100%);
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(99,179,237,0.15);
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 80px;
  position: relative;
  z-index: 2;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-product-img {
  max-width: 380px;
  width: 100%;
  filter: drop-shadow(0 30px 60px rgba(6,182,212,0.5));
  animation: heroFloat 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
}
@keyframes heroFloat {
  0%,100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}
.hero-badge-float {
  position: absolute;
  top: 20px; right: 0;
  background: linear-gradient(135deg, var(--gold), #EF4444);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
  animation: badgeFloat 3s ease-in-out infinite 1s;
  z-index: 3;
}
@keyframes badgeFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan-light);
  margin-bottom: 16px;
}
.hero-headline { color: #fff; margin-bottom: 20px; }
.hero-desc { color: rgba(255,255,255,0.85); margin-bottom: 16px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 800; color: #fff; }
.stat span { font-size: 12px; color: rgba(255,255,255,0.7); font-family: 'Montserrat', sans-serif; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); flex-shrink: 0; }
.hero-disclaimer { color: rgba(255,255,255,0.7); font-size: 14px; margin-top: 12px; }
.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; }

@media (max-width: 767px) {
  .hero-container { grid-template-columns: 1fr; gap: 32px; text-align: center; padding-top: 20px; padding-bottom: 60px; }
  .hero-image-wrap { order: -1; }
  .hero-product-img { max-width: 260px; }
  .hero-glow { width: 280px; height: 280px; }
  .hero-stats { gap: 12px; padding: 16px; flex-wrap: wrap; justify-content: center; }
  .stat-divider { display: none; }
  .hero-badge-float { font-size: 11px; padding: 6px 14px; right: 10%; }
}

/* ========================
   WHY SECTION
======================== */
.why-section { background: var(--off-white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(30,64,175,0.06);
}
.why-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.why-icon-wrap {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--off-white);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.why-icon { width: 60px; height: 60px; object-fit: contain; }
.why-badge {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(30,64,175,0.08);
  padding: 5px 14px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 12px;
}
.why-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--dark); }
.why-card p { font-size: 14px; color: #64748B; line-height: 1.7; }
@media (max-width: 991px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .why-grid { grid-template-columns: 1fr; } }

/* ========================
   WHAT IS SECTION
======================== */
.what-section { background: #fff; }
.what-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.what-img-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.what-img-frame img { width: 100%; height: 100%; object-fit: cover; }
.what-floating-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Montserrat', sans-serif;
}
.what-floating-card span { font-size: 32px; }
.what-floating-card strong { font-size: 15px; display: block; color: var(--blue); }
.what-floating-card small { color: #64748B; font-size: 12px; }
.what-content h2 { margin-bottom: 20px; }
.what-content p { margin-bottom: 16px; color: #475569; }
.what-content .btn { margin-top: 12px; }
@media (max-width: 767px) {
  .what-container { grid-template-columns: 1fr; gap: 40px; }
  .what-floating-card { bottom: 16px; right: 16px; }
}

/* ========================
   HOW IT WORKS
======================== */
.how-section { background: linear-gradient(135deg, #F0F4FF 0%, #E0F2FE 100%); }
.how-accordion { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.acc-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(30,64,175,0.08);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.acc-header {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  text-align: left;
  min-height: 60px;
  transition: background var(--transition);
}
.acc-header:hover { background: var(--off-white); }
.acc-item.active .acc-header { color: var(--blue); background: rgba(30,64,175,0.04); }
.acc-icon { font-size: 24px; flex-shrink: 0; }
.acc-header span:nth-child(2) { flex: 1; }
.acc-arrow {
  font-size: 14px;
  color: var(--gray);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.acc-item.active .acc-arrow { transform: rotate(180deg); color: var(--blue); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.acc-item.active .acc-body { max-height: 400px; }
.acc-body p { padding: 0 24px 24px; color: #475569; font-size: 15px; line-height: 1.8; }

/* ========================
   REVIEWS SECTION
======================== */
.reviews-section { background: #fff; }
.overall-rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.stars-big { font-size: 28px; }
.rating-text { font-family: 'Montserrat', sans-serif; font-weight: 600; color: #64748B; font-size: 15px; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.review-card {
  background: var(--gray-light);
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid rgba(30,64,175,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.review-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  position: relative;
}
.reviewer-img {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--blue-light);
}
.reviewer-loc { font-size: 13px; color: #64748B; margin: 2px 0; }
.stars { font-size: 16px; }
.verified-badge {
  position: absolute;
  top: 0; right: 0;
  font-size: 11px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--green);
  background: rgba(16,185,129,0.1);
  padding: 4px 10px;
  border-radius: 50px;
}
.review-text { color: #334155; font-size: 15px; line-height: 1.75; margin-bottom: 12px; }
.review-meta { font-size: 12px; color: #94A3B8; font-family: 'Montserrat', sans-serif; font-weight: 600; }
@media (max-width: 991px) { .reviews-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 575px) { .reviews-grid { grid-template-columns: 1fr; } }

/* ========================
   PRICING SECTION
======================== */
.pricing-section { background: linear-gradient(180deg, #0F172A 0%, #1E3A8A 100%); }
.pricing-section .section-header h2,
.pricing-section .section-eyebrow,
.pricing-section .section-sub { color: #fff; }
.pricing-section .section-eyebrow { color: var(--cyan-light); }
.pricing-section .section-sub { color: rgba(255,255,255,0.75); }
.countdown-wrap { text-align: center; margin-bottom: 48px; }
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 12px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 16px 28px;
  backdrop-filter: blur(8px);
}
.time-block { text-align: center; }
.time-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 6vw, 56px);
  color: var(--gold);
  line-height: 1;
  min-width: 64px;
}
.time-block small {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}
.time-sep {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 48px;
  color: var(--gold);
  margin-bottom: 8px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  backdrop-filter: blur(8px);
}
.price-card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(0,0,0,0.3); }
.price-card.popular {
  background: linear-gradient(135deg, rgba(6,182,212,0.15) 0%, rgba(30,64,175,0.2) 100%);
  border-color: var(--cyan);
  transform: scale(1.04);
  box-shadow: 0 16px 60px rgba(6,182,212,0.3);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }
.popular-ribbon {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #EF4444);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 7px 22px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan-light);
  margin-bottom: 6px;
  margin-top: 8px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 26px;
  color: #fff;
  margin-bottom: 4px;
}
.price-supply { color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 16px; }
.price-img { max-width: 160px; margin: 0 auto 16px; }
.price-amount { margin-bottom: 4px; }
.price-old {
  font-family: 'Montserrat', sans-serif;
  text-decoration: line-through;
  color: rgba(255,255,255,0.4);
  font-size: 18px;
  margin-right: 8px;
}
.price-new {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--gold);
}
.price-per { color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 16px; }
.price-badges { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.badge-green {
  background: rgba(16,185,129,0.15);
  color: #6EE7B7;
  border: 1px solid rgba(16,185,129,0.3);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 50px;
  display: inline-block;
}
.badge-blue {
  background: rgba(6,182,212,0.15);
  color: var(--cyan-light);
  border: 1px solid rgba(6,182,212,0.3);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 50px;
  display: inline-block;
}
.price-btn { width: 100%; margin-bottom: 12px; }
.payment-icons { max-width: 160px; margin: 0 auto; opacity: 0.7; }
.rating-row { text-align: center; margin-top: 40px; }
.five-star-img { max-width: 200px; margin: 0 auto 12px; }
.rating-row p { color: rgba(255,255,255,0.7); font-size: 15px; }
@media (max-width: 991px) { .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } .price-card.popular { transform: none; } }
@media (max-width: 575px) { .time-block span { font-size: 44px; min-width: 52px; } }

/* ========================
   BONUS SECTION
======================== */
.bonus-section { background: var(--off-white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.bonus-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-number {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 10px 20px;
  text-align: center;
}
.bonus-img { width: 100%; height: 200px; object-fit: cover; }
.bonus-content { padding: 24px; }
.bonus-value { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; color: #64748B; margin-bottom: 10px; }
.bonus-value strong { color: var(--dark); }
.free-tag { color: var(--green); font-weight: 800; }
.bonus-content h3 { margin-bottom: 10px; font-size: 19px; }
.bonus-content p { color: #475569; font-size: 15px; }
.bonus-cta-wrap { text-align: center; margin-top: 48px; }
@media (max-width: 767px) { .bonus-grid { grid-template-columns: 1fr; } }

/* ========================
   INGREDIENTS SECTION
======================== */
.ingredients-section { background: #fff; }
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ingredient-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--blue-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ing-icon { font-size: 32px; margin-bottom: 10px; }
.ingredient-card h3 { font-size: 17px; margin-bottom: 8px; color: var(--dark); }
.ingredient-card p { font-size: 14px; color: #475569; line-height: 1.7; margin-bottom: 12px; }
.ing-benefit {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--green);
  background: rgba(16,185,129,0.08);
  padding: 5px 12px;
  border-radius: 50px;
  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; } }

/* ========================
   SCIENCE SECTION
======================== */
.science-section { background: var(--off-white); }
.science-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.science-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--blue-light);
  transition: transform var(--transition);
}
.science-item:hover { transform: translateY(-4px); }
.science-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.science-icon { font-size: 28px; }
.science-item h3 { font-size: 18px; color: var(--blue); }
.science-item p { font-size: 14px; color: #475569; line-height: 1.8; }
.science-disclaimer {
  background: rgba(30,64,175,0.05);
  border: 1px solid rgba(30,64,175,0.1);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-top: 40px;
}
.science-disclaimer p { font-size: 13px; color: #64748B; }
@media (max-width: 767px) { .science-grid { grid-template-columns: 1fr; } }

/* ========================
   GUARANTEE SECTION
======================== */
.guarantee-section { background: #fff; }
.guarantee-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: center;
}
.guarantee-image img {
  max-width: 340px;
  margin: 0 auto;
  filter: drop-shadow(0 16px 40px rgba(30,64,175,0.2));
  animation: guaranteeFloat 4s ease-in-out infinite;
}
@keyframes guaranteeFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.guarantee-content h2 { margin-bottom: 16px; }
.guarantee-content > p { color: #475569; margin-bottom: 28px; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; }
.guarantee-point {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--gray-light);
  border-radius: var(--radius);
  border-left: 4px solid var(--blue-light);
}
.gp-icon { font-size: 28px; flex-shrink: 0; }
.guarantee-point h4 { font-size: 16px; margin-bottom: 6px; color: var(--blue); }
.guarantee-point p { font-size: 14px; color: #475569; }
@media (max-width: 767px) {
  .guarantee-container { grid-template-columns: 1fr; gap: 40px; }
  .guarantee-image img { max-width: 220px; }
}

/* ========================
   BENEFITS SECTION
======================== */
.benefits-section { background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%); }
.benefits-section .section-header h2 { color: #fff; }
.benefits-section .section-eyebrow { color: var(--cyan-light); }
.benefits-section .section-sub { color: rgba(255,255,255,0.7); }
.benefits-grid { display: flex; flex-direction: column; gap: 20px; max-width: 900px; margin: 0 auto; }
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px;
  transition: background var(--transition), transform var(--transition);
  backdrop-filter: blur(4px);
}
.benefit-item:hover { background: rgba(255,255,255,0.08); transform: translateX(6px); }
.benefit-icon { font-size: 36px; flex-shrink: 0; }
.benefit-item h3 { font-size: 19px; color: #fff; margin-bottom: 8px; }
.benefit-item p { font-size: 15px; color: rgba(255,255,255,0.75); }

/* ========================
   SECOND PRICING
======================== */
.pricing-section-2 { background: linear-gradient(180deg, #1E3A8A 0%, #0F172A 100%); }

/* ========================
   FAQ SECTION
======================== */
.faq-section { background: var(--off-white); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(30,64,175,0.08);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
  text-align: left;
  min-height: 60px;
  transition: background var(--transition);
}
.faq-q:hover { background: var(--off-white); }
.faq-item.active .faq-q { color: var(--blue); background: rgba(30,64,175,0.04); }
.faq-arrow {
  font-size: 22px;
  font-weight: 400;
  color: var(--gray);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.active .faq-arrow { transform: rotate(45deg); color: var(--blue); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-a { max-height: 600px; }
.faq-a p { padding: 0 24px 24px; color: #475569; font-size: 15px; line-height: 1.8; }

/* ========================
   FINAL CTA
======================== */
.final-cta-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #1E40AF 100%);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(6,182,212,0.15) 0%, transparent 60%);
}
.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.final-glow-ring {
  position: absolute;
  width: 420px; height: 420px;
  border: 2px solid rgba(6,182,212,0.2);
  border-radius: 50%;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%,100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}
.final-product-img {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
  filter: drop-shadow(0 30px 60px rgba(6,182,212,0.4));
  animation: finalFloat 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
}
@keyframes finalFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.03); }
}
.final-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold), #EF4444);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.final-cta-content h2 { color: #fff; margin-bottom: 16px; font-size: clamp(22px, 3.5vw, 38px); }
.final-cta-content p { color: rgba(255,255,255,0.8); margin-bottom: 24px; }
.final-price-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 28px;
}
.final-regular { color: rgba(255,255,255,0.5); font-family: 'Montserrat', sans-serif; font-size: 16px; }
.final-special {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  color: var(--gold);
  font-weight: 700;
}
.final-trust-row {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.final-trust-row span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}
@media (max-width: 767px) {
  .final-cta-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .final-product-img { max-width: 240px; }
  .final-trust-row { justify-content: center; gap: 12px; }
}

/* ========================
   FOOTER
======================== */
.footer { background: #0F172A; color: rgba(255,255,255,0.75); padding: 60px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo strong { color: var(--cyan-light); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.social-icons { display: flex; gap: 12px; margin-top: 20px; }
.social-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.social-icon:hover { background: var(--blue); color: #fff; transform: translateY(-3px); }
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col ul a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-links-col ul a:hover { color: var(--cyan-light); }
.footer-legal-links { display: flex; flex-direction: column; gap: 10px; }
.legal-link { font-size: 14px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.legal-link:hover { color: var(--cyan-light); }
.footer-disclaimer {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-disclaimer p { font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.8; margin-bottom: 8px; }
.footer-bottom { padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
@media (max-width: 767px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .social-icons { justify-content: center; }
}

/* ========================
   EXIT POPUP
======================== */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  backdrop-filter: blur(4px);
}
.popup-overlay.show { display: block; }
.exit-popup {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 480px;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 40px 100px rgba(0,0,0,0.3);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
}
.exit-popup.show { display: block; transform: translate(-50%, -50%) scale(1); }
.exit-popup-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: var(--off-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  color: #64748B;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  min-width: 36px;
}
.exit-popup-close:hover { background: #EF4444; color: #fff; }
.exit-popup-badge {
  display: inline-block;
  background: linear-gradient(135deg, #EF4444, var(--gold));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.exit-popup h3 { font-size: 22px; margin-bottom: 12px; color: var(--dark); }
.exit-popup p { color: #475569; font-size: 15px; margin-bottom: 24px; }
.exit-popup-cta {
  display: block;
  background: linear-gradient(135deg, var(--gold), #EF4444);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  padding: 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 52px;
}
.exit-popup-cta:hover { transform: scale(1.03); box-shadow: 0 8px 24px rgba(245,158,11,0.4); }
.exit-popup-dismiss {
  display: block;
  color: var(--blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  transition: color var(--transition);
}
.exit-popup-dismiss:hover { color: var(--blue-dark); }
@media (max-width: 575px) {
  .exit-popup { padding: 32px 20px; }
  .exit-popup h3 { font-size: 19px; }
}

/* ========================
   PURCHASE NOTIFICATION
======================== */
.purchase-notif {
  position: fixed;
  bottom: 24px; left: 24px;
  z-index: 1000;
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--green);
  max-width: 280px;
  transform: translateX(-120%);
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
}
.purchase-notif.show { transform: translateX(0); }
.notif-inner { display: flex; align-items: center; gap: 12px; }
.notif-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.notif-text { font-size: 13px; color: #334155; }
.notif-text strong { color: var(--dark); font-size: 14px; }
.notif-text small { color: #64748B; }
@media (max-width: 575px) {
  .purchase-notif { bottom: 12px; left: 12px; max-width: calc(100vw - 24px); }
}

/* ========================
   SCROLL TO TOP
======================== */
.scroll-top-btn {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 1000;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  min-width: 56px;
}
.scroll-top-btn.show { opacity: 1; transform: translateY(0); }
.scroll-top-btn:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

/* ========================
   MOBILE TOUCH FEEDBACK
======================== */
@media (max-width: 767px) {
  .btn:active { transform: scale(0.98); }
  .price-card:active { transform: scale(0.98); }
}

/* ========================
   UTILITY
======================== */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }

/* Page top padding for fixed nav */
main > section:first-child { padding-top: calc(72px + 60px); }
.hero-section { padding-top: 72px; }