/* =============================================
   TRUEWELL NERVE SUPPORT - STYLES.CSS
   Design: Medical Professional + Premium Gradient
   Colors: #0F4C81 (deep navy), #1E90D4 (sky blue),
           #00C896 (teal-green), #FFFFFF, #F0F7FF
   Fonts: Montserrat (headings), Open Sans (body)
============================================= */

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

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

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

body {
  font-family: 'Open Sans', sans-serif;
  color: #1a2a3a;
  background: #fff;
  overflow-x: hidden;
  line-height: 1.7;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* === CSS VARIABLES === */
:root {
  --navy: #0F4C81;
  --blue: #1E90D4;
  --teal: #00C896;
  --teal-dark: #00a87d;
  --light-bg: #F0F7FF;
  --card-bg: #FFFFFF;
  --text: #1a2a3a;
  --muted: #64748b;
  --border: #e2eaf4;
  --grad: linear-gradient(135deg, #0F4C81, #1E90D4, #00C896);
  --shadow: 0 4px 24px rgba(15,76,129,0.10);
  --shadow-lg: 0 12px 48px rgba(15,76,129,0.18);
  --radius: 16px;
  --radius-sm: 10px;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.2; }

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--navy);
  text-align: center;
  margin-bottom: 0.75rem;
}
.section-sub {
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* === BUTTONS === */
.btn-primary, .btn-hero, .btn-nav, .btn-price, .btn-final {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  text-align: center;
  min-height: 48px;
  border-radius: 50px;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(30,144,212,0.35);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(30,144,212,0.45); }

.btn-hero {
  background: var(--grad);
  color: #fff;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 800;
  box-shadow: 0 6px 30px rgba(0,200,150,0.40);
  letter-spacing: 0.02em;
  width: 100%;
  max-width: 420px;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 10px 40px rgba(0,200,150,0.50); }

.btn-nav {
  background: var(--grad);
  color: #fff;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  white-space: nowrap;
}
.btn-nav:hover { transform: scale(1.05); }

.btn-price {
  background: linear-gradient(135deg, #00C896, #1E90D4);
  color: #fff;
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  box-shadow: 0 4px 16px rgba(0,200,150,0.35);
  border-radius: 12px;
  min-height: 52px;
}
.btn-price:hover { transform: scale(1.05); box-shadow: 0 8px 28px rgba(0,200,150,0.50); }

.btn-final {
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #ff6b35, #ff3d5a);
  color: #fff;
  padding: 1rem 2.5rem;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 6px 30px rgba(255,107,53,0.45);
  width: 100%;
  max-width: 400px;
  border-radius: 14px;
  min-height: 64px;
}
.btn-final small { font-size: 0.75rem; font-weight: 400; opacity: 0.9; margin-top: 2px; }
.btn-final:hover { transform: scale(1.05); box-shadow: 0 10px 40px rgba(255,107,53,0.55); }

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

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s, padding 0.3s;
}
.navbar.scrolled { box-shadow: var(--shadow-lg); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--navy);
}
.nav-logo img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--blue); }

.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: 2.5px;
  background: var(--navy);
  border-radius: 3px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -4px 0 30px rgba(0,0,0,0.1);
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
  }
  .nav-menu.open { right: 0; }
  .nav-link { font-size: 1.1rem; }
  .btn-nav { width: 100%; text-align: center; }
  .nav-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    display: none;
  }
  .nav-overlay.show { display: block; }
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(160deg, #0F4C81 0%, #1E90D4 55%, #00C896 100%);
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  overflow: hidden;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  animation: floatParticle var(--dur, 6s) var(--delay, 0s) ease-in-out infinite alternate;
}
@keyframes floatParticle {
  from { transform: translateY(0) scale(1); opacity: 0.3; }
  to { transform: translateY(-40px) scale(1.4); opacity: 0.8; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-image { position: relative; display: flex; justify-content: center; }
.hero-bottle-wrap {
  position: relative;
  display: inline-block;
  animation: bottleFloat 4s ease-in-out infinite;
}
@keyframes bottleFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-bottle {
  width: 100%;
  max-width: 340px;
  filter: drop-shadow(0 24px 60px rgba(0,0,0,0.35));
  position: relative;
  z-index: 2;
}
.hero-glow {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 40px;
  background: rgba(0,200,150,0.4);
  border-radius: 50%;
  filter: blur(20px);
}
.floating-badge {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  padding: 0.4rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  white-space: nowrap;
  z-index: 3;
}
.badge-1 { top: 10%; right: -10%; animation: badgePulse 3s ease-in-out infinite; }
.badge-2 { top: 45%; left: -15%; animation: badgePulse 3s ease-in-out 1s infinite; }
.badge-3 { bottom: 15%; right: -8%; animation: badgePulse 3s ease-in-out 2s infinite; }
@keyframes badgePulse {
  0%,100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.05) translateY(-4px); }
}

.hero-content { color: #fff; }
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.hero-title {
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: #fff;
}
.hero-title .gradient-text {
  background: linear-gradient(90deg, #a8ff78, #78ffd6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.9);
  margin-bottom: 1rem;
}
.hero-stars {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.5rem;
  font-weight: 600;
}
.hero-secure {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 1rem;
  text-align: center;
}

@media (max-width: 768px) {
  .hero { padding: 90px 0 50px; min-height: auto; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  .hero-image { order: -1; }
  .hero-bottle { max-width: 220px; }
  .hero-eyebrow, .hero-stars { justify-content: center; }
  .badge-1 { top: 5%; right: 0; }
  .badge-2 { top: 45%; left: 0; }
  .badge-3 { bottom: 5%; right: 0; }
  .btn-hero { max-width: 100%; font-size: 1rem; }
}

/* === WHY CHOOSE US === */
.why-us {
  background: var(--light-bg);
  padding: 80px 0;
}
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.badge-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(30px);
}
.badge-card.visible { opacity: 1; transform: translateY(0); }
.badge-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.badge-icon img { width: 70px; height: 70px; object-fit: contain; margin: 0 auto 1rem; }
.badge-card h3 { font-size: 1rem; color: var(--navy); margin-bottom: 0.6rem; font-weight: 700; }
.badge-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }

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

/* === WHAT IS === */
.what-is { padding: 80px 0; background: #fff; }
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.what-is-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.what-is-content .section-title { text-align: left; }
.what-is-content p { color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
.what-is-content .btn-primary { margin-top: 1rem; }

@media (max-width: 768px) {
  .what-is-grid { grid-template-columns: 1fr; gap: 2rem; }
  .what-is-image { order: -1; }
  .what-is-content .section-title { text-align: center; }
}

/* === HOW IT WORKS === */
.how-it-works { padding: 80px 0; background: var(--light-bg); }
.accordion-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.accordion-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.1rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  text-align: left;
  min-height: 56px;
  gap: 1rem;
  transition: background 0.2s;
}
.accordion-header:hover { background: var(--light-bg); }
.acc-icon {
  font-size: 1.4rem;
  color: var(--blue);
  font-weight: 400;
  transition: transform 0.3s;
  flex-shrink: 0;
  line-height: 1;
}
.accordion-item.open .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s;
  padding: 0 1.5rem;
}
.accordion-item.open .accordion-body { max-height: 300px; padding: 0 1.5rem 1.25rem; }
.accordion-body p { color: var(--muted); line-height: 1.8; font-size: 0.95rem; }

@media (max-width: 768px) {
  .accordion-header { font-size: 0.9rem; padding: 1rem 1.2rem; }
}

/* === REVIEWS === */
.reviews { padding: 80px 0; background: #fff; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.review-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
  opacity: 0;
  transform: translateY(30px);
}
.review-card.visible { opacity: 1; transform: translateY(0); }
.review-card:hover { transform: translateY(-6px); }
.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.reviewer-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--blue);
}
.review-header strong { display: block; font-family: 'Montserrat', sans-serif; color: var(--navy); }
.review-header span { font-size: 0.8rem; color: var(--muted); }
.stars { font-size: 1.1rem; margin-bottom: 0.75rem; }
.review-card p { font-size: 0.92rem; color: #334155; line-height: 1.7; }

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

/* === PRICING === */
.pricing { padding: 80px 0; background: var(--light-bg); }
.pricing-2 { background: #fff; }

.timer-wrap { text-align: center; margin-bottom: 2.5rem; }
.timer-label { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--navy); font-size: 1.1rem; margin-bottom: 0.75rem; }
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 60px;
  box-shadow: 0 6px 24px rgba(15,76,129,0.3);
}
.time-block { text-align: center; }
.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  display: block;
  line-height: 1;
}
.time-block label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.85; }
.colon { font-size: 2.5rem; font-weight: 900; margin-bottom: 12px; animation: blinkColon 1s step-end infinite; }
@keyframes blinkColon { 0%,100% { opacity: 1; } 50% { opacity: 0.2; } }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 2px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(30px);
}
.price-card.visible { opacity: 1; transform: translateY(0); }
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--teal);
  background: linear-gradient(160deg, #f0fff8, #e8f8ff);
  transform: scale(1.03);
}
.price-card.popular.visible:hover { transform: scale(1.03) translateY(-6px); }
.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.35rem 1.2rem;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(0,200,150,0.4);
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--navy);
}
.price-supply { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.2rem; }
.price-img { max-width: 120px; margin: 0 auto 1.2rem; }
.badge-row { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: center; margin-bottom: 1rem; }
.badge-free, .badge-ship {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
}
.badge-free { background: #dcfce7; color: #166534; }
.badge-ship { background: #dbeafe; color: #1e40af; }
.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.price-amount del { font-size: 1.1rem; color: #94a3b8; font-weight: 400; }
.price-amount strong { color: #dc2626; }
.price-per { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.25rem; }
.payment-logos { max-width: 180px; margin: 1rem auto 0; opacity: 0.8; }

.stars-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--navy);
}
.stars-row img { max-height: 36px; }

@media (max-width: 991px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.popular { transform: none; grid-column: span 2; max-width: 400px; margin: 0 auto; width: 100%; }
}
@media (max-width: 575px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { grid-column: span 1; }
}

/* === BONUS === */
.bonus { padding: 80px 0; background: var(--light-bg); }
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.bonus-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(30px);
  transition: transform 0.3s, box-shadow 0.3s, opacity 0.6s;
}
.bonus-card.visible { opacity: 1; transform: translateY(0); }
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-card img { width: 100%; max-height: 200px; object-fit: cover; }
.bonus-content { padding: 1.5rem; }
.bonus-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}
.bonus-content h3 { font-size: 1.1rem; color: var(--navy); margin-bottom: 0.6rem; }
.bonus-content p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }

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

/* === INGREDIENTS === */
.ingredients { padding: 80px 0; background: #fff; }
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.ing-card {
  background: var(--light-bg);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(20px);
}
.ing-card.visible { opacity: 1; transform: translateY(0); }
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ing-icon { font-size: 1.8rem; margin-bottom: 0.75rem; }
.ing-card h3 { font-size: 0.95rem; color: var(--navy); margin-bottom: 0.5rem; font-weight: 700; }
.ing-card p { font-size: 0.86rem; color: var(--muted); line-height: 1.7; }

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

/* === SCIENCE === */
.science { padding: 80px 0; background: var(--light-bg); }
.science-list { display: flex; flex-direction: column; gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.science-item {
  display: flex;
  gap: 1.5rem;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}
.science-item.visible { opacity: 1; transform: translateY(0); }
.science-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--light-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.science-content h3 { font-size: 1rem; color: var(--navy); margin-bottom: 0.5rem; font-weight: 700; }
.science-content p { font-size: 0.9rem; color: var(--muted); line-height: 1.75; }

@media (max-width: 575px) {
  .science-item { flex-direction: column; gap: 1rem; }
}

/* === GUARANTEE === */
.guarantee { padding: 80px 0; background: #fff; }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
}
.guarantee-image img { border-radius: var(--radius); max-width: 320px; margin: 0 auto; }
.guarantee-content .section-title { text-align: left; }
.guarantee-intro { color: var(--muted); margin-bottom: 1.5rem; }
.guarantee-points { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1.5rem; }
.g-point { display: flex; gap: 1rem; }
.g-icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  background: var(--light-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.g-point h3 { font-size: 0.95rem; color: var(--navy); margin-bottom: 0.3rem; font-weight: 700; }
.g-point p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; }

@media (max-width: 768px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .guarantee-content .section-title { text-align: center; }
  .g-point { flex-direction: column; align-items: center; text-align: center; }
}

/* === BENEFITS === */
.benefits { padding: 80px 0; background: var(--light-bg); }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s, transform 0.5s;
}
.benefit-item.visible { opacity: 1; transform: translateY(0); }
.benefit-check {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
}
.benefit-item h3 { font-size: 0.95rem; color: var(--navy); margin-bottom: 0.3rem; font-weight: 700; }
.benefit-item p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

@media (max-width: 575px) { .benefits-grid { grid-template-columns: 1fr; } }

/* === FAQ === */
.faq { padding: 80px 0; background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }

/* === FINAL CTA === */
.final-cta {
  padding: 80px 0;
  background: linear-gradient(160deg, #0F4C81 0%, #1E90D4 60%, #00C896 100%);
  overflow: hidden;
  position: relative;
}
.final-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.final-image img {
  max-width: 280px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,0.4));
  animation: finalFloat 5s ease-in-out infinite;
}
@keyframes finalFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-15px) scale(1.02); }
}
.final-content { color: #fff; }
.final-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.final-content h2 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 0.4rem;
  color: #fff;
}
.final-content h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: rgba(255,255,255,0.85);
}
.final-content p { color: rgba(255,255,255,0.85); margin-bottom: 1.5rem; font-size: 1rem; }
.final-price { margin-bottom: 1.5rem; }
.old-price { display: block; font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-bottom: 0.3rem; }
.new-price {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
  color: #a8ff78;
}
.final-secure { font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 1rem; }

@media (max-width: 768px) {
  .final-cta-inner { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
  .final-image { order: -1; }
  .final-content h2, .final-content h3 { text-align: center; }
  .btn-final { margin: 0 auto; }
}

/* === FOOTER === */
.footer { background: #0b1f3a; color: rgba(255,255,255,0.8); padding: 60px 0 30px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-logo img { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; }
.footer-about { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 1.25rem; }
.footer-social { display: flex; gap: 0.75rem; }
.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background 0.2s, color 0.2s;
}
.social-link:hover { background: var(--blue); color: #fff; }
.social-link svg { width: 18px; height: 18px; }
.footer-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #fff; margin-bottom: 1rem; font-size: 0.95rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.75rem; align-items: center; }
.legal-link { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.legal-link:hover { color: var(--teal); }
.link-separator { color: rgba(255,255,255,0.3); font-size: 0.8rem; }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}
.footer-disclaimer p { margin-bottom: 0.75rem; }
.footer-copy { color: rgba(255,255,255,0.5); }
.footer-copy a { color: var(--teal); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .footer-logo, .footer-social { justify-content: center; }
  .footer-legal-links { justify-content: center; }
}

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--grad);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(15,76,129,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: scale(1.1) translateY(-2px); }

/* === PURCHASE POPUP === */
.purchase-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: #fff;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border-left: 4px solid var(--teal);
  z-index: 800;
  max-width: 280px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.purchase-popup.show { transform: translateX(0); }
.popup-avatar { font-size: 1.8rem; }
.popup-text { font-size: 0.8rem; color: #334155; line-height: 1.5; }
.popup-text strong { color: var(--navy); }
.popup-text span { display: block; font-size: 0.72rem; color: var(--muted); }
.popup-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px;
  min-width: 24px;
  min-height: 24px;
  margin-left: auto;
  flex-shrink: 0;
}

@media (max-width: 575px) {
  .purchase-popup { left: 12px; right: 12px; max-width: calc(100% - 24px); bottom: 80px; }
}

/* === MODAL POPUP === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.show { opacity: 1; pointer-events: auto; }
.modal-box {
  background: #fff;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.85);
  transition: transform 0.3s;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
}
.modal-overlay.show .modal-box { transform: scale(1); }
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.modal-box h3 { font-size: 1.3rem; color: var(--navy); margin-bottom: 0.75rem; }
.modal-box p { color: var(--muted); font-size: 0.95rem; line-height: 1.6; margin-bottom: 0.5rem; }

/* === ANIMATIONS === */
[data-animate] { opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease; }
[data-animate="fade-left"] { transform: translateX(-40px); }
[data-animate="fade-right"] { transform: translateX(40px); }
[data-animate="fade-up"] { transform: translateY(30px); }
[data-animate="zoom-in"] { transform: scale(0.85); }
[data-animate="slide-up"] { transform: translateY(40px); }
[data-animate].visible { opacity: 1; transform: none; }

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

/* === SECTION PADDING === */
section { padding: 70px 0; }
@media (max-width: 768px) { section { padding: 50px 0; } }