/* ============================================================
   GallbladderCare.com — Brand Stylesheet
   Version: 1.0  |  2025
   Design: Modern · Professional · Warm · Bilingual
   ============================================================ */

/* ── 1. CSS Variables ─────────────────────────────────────── */
:root {
  --teal:        #1A7A82;
  --teal-dark:   #155F66;
  --teal-light:  #EAF7F7;
  --navy:        #1B3A5C;
  --navy-light:  #2C5282;
  --gold:        #D4930A;
  --gold-bg:     #FEF3D7;
  --white:       #FFFFFF;
  --warm-white:  #FAFAF9;
  --light-gray:  #F4F5F7;
  --border:      #E2E8F0;
  --text-body:   #4A5568;
  --text-dark:   #1A202C;
  --text-muted:  #718096;
  --danger:      #C53030;
  --success:     #2F855A;

  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
                 sans-serif;
  --font-serif:  'Source Serif 4', 'Noto Serif SC', Georgia, serif;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:   0 10px 30px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --shadow-teal: 0 4px 20px rgba(26,122,130,.25);

  --transition:  all .2s ease;
  --max-width:   1160px;
}

/* ── 2. Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--warm-white);
  color: var(--text-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--teal-dark); }
ul, ol { list-style: none; }
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--navy);
  line-height: 1.3;
  font-weight: 700;
}

/* ── 3. Language Toggle ───────────────────────────────────── */
.lang-cn .en-text { display: none !important; }
.lang-en .cn-text { display: none !important; }

/* ── 4. Layout Utilities ──────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 100px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Section Header */
.section-header { text-align: center; margin-bottom: 52px; }
.section-header .label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  color: var(--navy);
  margin-bottom: 14px;
}
.section-header p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── 5. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .9375rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn-lg  { padding: 15px 32px; font-size: 1rem; border-radius: var(--radius-md); }
.btn-md  { padding: 11px 24px; }
.btn-sm  { padding: 8px 18px; font-size: .875rem; }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(26,122,130,.35);
}

.btn-secondary {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn-secondary:hover {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.btn-ghost {
  background: rgba(255,255,255,.15);
  color: var(--white);
  border-color: rgba(255,255,255,.4);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.25);
  color: var(--white);
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-gold:hover {
  background: #b97d07;
  border-color: #b97d07;
  color: var(--white);
  transform: translateY(-1px);
}

.btn-block { display: flex; width: 100%; justify-content: center; }

/* ── 6. Navigation ────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px; height: 38px;
  background: var(--teal);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  font-weight: 700;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text .name {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--navy);
}
.logo-text .tagline {
  font-size: .7rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Nav Links */
.navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--teal);
  background: var(--teal-light);
}

/* Nav Right */
.navbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--light-gray);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 5px 12px;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
  background: transparent;
}
.lang-btn.active {
  background: var(--white);
  color: var(--teal);
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 999;
  padding: 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-link {
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.mobile-nav .lang-toggle {
  align-self: flex-start;
  margin-top: 8px;
}

/* Page Offset */
.page-offset { padding-top: 68px; }

/* ── 7. Hero Section ──────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0F4C57 0%, #1A7A82 50%, #1E8F78 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 30%, rgba(255,255,255,.06) 0%, transparent 70%),
    radial-gradient(circle at 20% 80%, rgba(26,122,130,.4) 0%, transparent 50%);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  padding: 6px 16px 6px 10px;
  font-size: .8125rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: #4ADE80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.25rem);
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
  font-weight: 800;
}
.hero-title .accent { color: #6EE7B7; }
.hero-sub {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card-stack {
  position: relative;
  width: 440px;
  height: 520px;
}
.hero-card {
  position: absolute;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-card.main {
  width: 380px;
  top: 20px; left: 0;
  z-index: 2;
  box-shadow: 0 24px 48px rgba(0,0,0,0.25);
}
.hero-card.back {
  width: 320px;
  top: 0; left: 60px;
  z-index: 1;
  opacity: .5;
}
.hero-card .card-icon {
  font-size: 2rem;
  width: 52px; height: 52px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card .card-title {
  font-size: .875rem;
  font-weight: 700;
  color: white;
}
.hero-card .card-desc {
  font-size: .8rem;
  color: rgba(255,255,255,.75);
  line-height: 1.6;
}
.hero-card .card-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: #6EE7B7;
}
.hero-card .card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  color: var(--teal);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .8125rem;
  font-weight: 600;
  width: fit-content;
}

/* ── 8. Pain-Points Banner ────────────────────────────────── */
.pain-banner {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.pain-banner .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 28px;
}
.pain-item + .pain-item {
  border-left: 1px solid var(--border);
}
.pain-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.pain-item h4 { font-size: .9375rem; color: var(--navy); margin-bottom: 4px; }
.pain-item p { font-size: .8125rem; color: var(--text-muted); line-height: 1.6; }

/* ── 9. Category Cards ────────────────────────────────────── */
.categories { background: var(--light-gray); }
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.cat-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-3px);
  color: inherit;
}
.cat-icon {
  width: 64px; height: 64px;
  background: var(--teal-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: var(--transition);
}
.cat-card:hover .cat-icon { background: var(--teal); }
.cat-card h3 { font-size: 1rem; color: var(--navy); margin-bottom: 4px; }
.cat-card p { font-size: .8125rem; color: var(--text-muted); line-height: 1.6; }
.cat-arrow {
  font-size: .875rem;
  color: var(--teal);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

/* ── 10. Product Cards ────────────────────────────────────── */
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--teal);
}
.product-img {
  width: 100%;
  aspect-ratio: 3/2;
  background: var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--teal);
  color: white;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.product-badge.gold { background: var(--gold); }
.product-badge.affiliate {
  background: var(--navy-light);
}
.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.product-tag {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal);
}
.product-body h3 { font-size: 1rem; color: var(--navy); line-height: 1.4; }
.product-body p { font-size: .8125rem; color: var(--text-muted); line-height: 1.65; flex: 1; }
.product-footer {
  padding: 0 20px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-price { font-size: 1.125rem; font-weight: 700; color: var(--teal); }
.product-price small { font-size: .75rem; font-weight: 400; color: var(--text-muted); margin-left: 4px; }

/* Featured Product */
.featured-product {
  background: linear-gradient(135deg, var(--navy) 0%, #0F2D45 100%);
  padding: 80px 0;
}
.featured-inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.book-mockup {
  display: flex;
  justify-content: center;
}
.book-3d {
  width: 220px;
  position: relative;
}
.book-cover {
  width: 220px;
  height: 300px;
  background: linear-gradient(135deg, var(--teal) 0%, #0D5C63 100%);
  border-radius: 4px 14px 14px 4px;
  box-shadow: 6px 12px 40px rgba(0,0,0,.5), -4px 0 0 rgba(0,0,0,.3);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 28px 24px;
  text-align: center;
  gap: 12px;
  position: relative;
}
.book-cover::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  background: linear-gradient(to right, rgba(0,0,0,.3), transparent);
  border-radius: 4px 0 0 4px;
}
.book-cover .book-icon { font-size: 2.5rem; }
.book-cover .book-title {
  font-size: .95rem;
  font-weight: 800;
  color: white;
  line-height: 1.4;
}
.book-cover .book-sub { font-size: .7rem; color: rgba(255,255,255,.7); }
.book-cover .book-author { font-size: .7rem; color: rgba(255,255,255,.6); margin-top: 8px; }

.featured-content { color: rgba(255,255,255,.9); }
.featured-content .label {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #6EE7B7;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.featured-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  color: white;
  margin-bottom: 16px;
}
.featured-content p {
  color: rgba(255,255,255,.75);
  font-size: .9375rem;
  line-height: 1.8;
  margin-bottom: 24px;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .875rem;
  color: rgba(255,255,255,.82);
}
.feature-check {
  width: 20px; height: 20px;
  background: rgba(110, 231, 183, .2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6EE7B7;
  font-size: .75rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.featured-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 24px;
}
.price-main { font-size: 2rem; font-weight: 800; color: #6EE7B7; }
.price-period { font-size: .875rem; color: rgba(255,255,255,.5); }
.featured-actions { display: flex; gap: 14px; align-items: center; }

.social-proof-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}
.mini-avatars { display: flex; margin-right: 4px; }
.mini-avatars span {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--navy);
  background: var(--teal-light);
  font-size: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -8px;
}
.mini-avatars span:first-child { margin-left: 0; }
.mini-text { font-size: .8125rem; color: rgba(255,255,255,.65); }
.stars { color: #FBBF24; letter-spacing: 1px; }

/* ── 11. Bestsellers ──────────────────────────────────────── */
.bestsellers { background: var(--warm-white); }

/* ── 12. Trust Section ────────────────────────────────────── */
.trust-section { background: var(--white); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-card {
  text-align: center;
  padding: 32px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.trust-card:hover {
  border-color: var(--teal);
  background: var(--teal-light);
}
.trust-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.trust-card h4 { font-size: .9375rem; color: var(--navy); margin-bottom: 8px; }
.trust-card p { font-size: .8125rem; color: var(--text-muted); line-height: 1.65; }

/* ── 13. Testimonials ─────────────────────────────────────── */
.testimonials { background: var(--light-gray); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -8px; left: 20px;
  font-size: 4rem;
  color: var(--teal-light);
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-stars { color: #FBBF24; font-size: .875rem; }
.testimonial-text { font-size: .875rem; color: var(--text-body); line-height: 1.8; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.author-info .name { font-size: .875rem; font-weight: 600; color: var(--navy); }
.author-info .meta { font-size: .75rem; color: var(--text-muted); }
.disclaimer-mini {
  font-size: .7rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 24px;
  font-style: italic;
}

/* ── 14. FAQ Accordion ────────────────────────────────────── */
.faq-section { background: var(--warm-white); }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--teal); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--navy);
  background: var(--white);
  transition: var(--transition);
  gap: 12px;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-q:hover { background: var(--teal-light); }
.faq-item.open .faq-q { color: var(--teal); background: var(--teal-light); }
.faq-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--teal-light);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform .25s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--teal); color: white; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .25s ease;
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.85;
  background: var(--white);
  padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 20px; }
.faq-more { text-align: center; margin-top: 28px; }

/* ── 15. Newsletter / CTA Band ────────────────────────────── */
.newsletter-band {
  background: linear-gradient(135deg, var(--navy) 0%, #0F2D45 100%);
  padding: 64px 0;
}
.newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.newsletter-content h2 { font-size: 1.75rem; color: white; margin-bottom: 10px; }
.newsletter-content p { color: rgba(255,255,255,.7); font-size: .9375rem; }
.newsletter-form { display: flex; gap: 12px; }
.newsletter-input {
  flex: 1;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1);
  color: white;
  font-size: .9375rem;
  outline: none;
  backdrop-filter: blur(4px);
}
.newsletter-input::placeholder { color: rgba(255,255,255,.5); }
.newsletter-input:focus { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.15); }
.newsletter-note { font-size: .75rem; color: rgba(255,255,255,.45); margin-top: 8px; }

.final-cta { background: var(--teal); padding: 60px 0; text-align: center; }
.final-cta h2 { font-size: 2rem; color: white; margin-bottom: 10px; }
.final-cta p { color: rgba(255,255,255,.8); margin-bottom: 28px; font-size: 1rem; }
.final-cta .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── 16. Footer ───────────────────────────────────────────── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.65);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo .logo-mark { background: rgba(255,255,255,.15); font-size: 1rem; }
.footer-logo .name { color: white; font-size: .9375rem; font-weight: 700; }
.footer-desc { font-size: .8125rem; color: rgba(255,255,255,.55); line-height: 1.75; }
.footer-disclaimer {
  font-size: .7rem;
  color: rgba(255,255,255,.35);
  line-height: 1.7;
  padding: 12px 14px;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(255,255,255,.15);
}
.footer-col h5 { font-size: .8125rem; font-weight: 700; color: white; margin-bottom: 16px; letter-spacing: .05em; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: .8125rem; color: rgba(255,255,255,.55); transition: var(--transition); }
.footer-links a:hover { color: white; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .75rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: rgba(255,255,255,.8); }
.footer-lang { display: flex; gap: 8px; }

/* ── 17. Page Hero (Inner Pages) ──────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1A3F5C 100%);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: white; margin-bottom: 12px; }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,.72); max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  font-size: .8125rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: white; }
.breadcrumb .sep { font-size: .75rem; }

/* ── 18. E-Books Page ─────────────────────────────────────── */
.ebook-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.ebook-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.ebook-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--teal); }
.ebook-cover {
  width: 100%;
  aspect-ratio: 3/4;
  max-height: 240px;
  background: linear-gradient(135deg, var(--teal) 0%, #0D5C63 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  text-align: center;
  position: relative;
}
.ebook-cover .ebook-emoji { font-size: 3rem; }
.ebook-cover .ebook-title-overlay {
  font-size: .875rem;
  font-weight: 700;
  color: white;
  line-height: 1.35;
}
.ebook-body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.ebook-body h3 { font-size: 1.0625rem; color: var(--navy); }
.ebook-body p { font-size: .8125rem; color: var(--text-muted); line-height: 1.7; flex: 1; }
.ebook-meta {
  display: flex;
  gap: 14px;
  font-size: .75rem;
  color: var(--text-muted);
}
.ebook-footer {
  padding: 0 22px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ebook-price { font-size: 1.25rem; font-weight: 700; color: var(--teal); }

/* ── 19. Products Page ────────────────────────────────────── */
.product-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 7px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: white;
  font-size: .8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: white;
}

/* ── 20. Recommended Page ─────────────────────────────────── */
.affiliate-notice {
  background: var(--gold-bg);
  border: 1px solid #F6D673;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: .8125rem;
  color: #7D6608;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 40px;
}

/* ── 21. About Page ───────────────────────────────────────── */
.about-mission {
  background: var(--teal-light);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  margin-bottom: 60px;
}
.criteria-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.criteria-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 16px;
}
.criteria-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--teal);
  flex-shrink: 0;
  line-height: 1;
}
.criteria-card h4 { font-size: .9375rem; color: var(--navy); margin-bottom: 6px; }
.criteria-card p { font-size: .8125rem; color: var(--text-muted); line-height: 1.7; }

/* ── 22. FAQ Full Page ────────────────────────────────────── */
.faq-categories { display: flex; gap: 12px; margin-bottom: 36px; flex-wrap: wrap; }
.faq-cat-btn {
  padding: 7px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: white;
  font-size: .8125rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
  font-weight: 500;
}
.faq-cat-btn.active { background: var(--teal); border-color: var(--teal); color: white; }

/* ── 23. Contact Page ─────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  background: var(--teal-light);
  border-radius: var(--radius-md);
}
.contact-item-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-item h4 { font-size: .9375rem; color: var(--navy); margin-bottom: 4px; }
.contact-item p { font-size: .8125rem; color: var(--text-muted); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .875rem; font-weight: 600; color: var(--navy); }
.form-group input, .form-group textarea, .form-group select {
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: .9375rem;
  color: var(--text-dark);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26,122,130,.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: .75rem; color: var(--text-muted); }

/* ── 24. Legal Pages ──────────────────────────────────────── */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px;
}
.legal-content h1 { font-size: 2rem; color: var(--navy); margin-bottom: 8px; }
.legal-date { font-size: .875rem; color: var(--text-muted); margin-bottom: 36px; }
.legal-content h2 { font-size: 1.25rem; color: var(--navy); margin: 36px 0 12px; }
.legal-content p { font-size: .9375rem; color: var(--text-body); line-height: 1.85; margin-bottom: 16px; }
.legal-content ul { margin: 0 0 16px 20px; list-style: disc; }
.legal-content ul li { font-size: .9375rem; color: var(--text-body); line-height: 1.8; margin-bottom: 8px; }
.legal-highlight {
  background: var(--gold-bg);
  border: 1px solid #F6D673;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: .875rem;
  color: #7D6608;
  margin: 24px 0;
}

/* ── 25. Chips & Tags ─────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.chip-teal { background: var(--teal-light); color: var(--teal); }
.chip-navy { background: rgba(27,58,92,.1); color: var(--navy); }
.chip-gold { background: var(--gold-bg); color: var(--gold); }
.chip-affiliate { background: rgba(44,82,130,.1); color: var(--navy-light); }

/* ── 26. Dividers & Spacers ───────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 40px 0; }

/* ── 27. Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .featured-inner { grid-template-columns: 1fr 1.5fr; gap: 36px; }
  .book-3d { width: 180px; }
  .book-cover { width: 180px; height: 240px; }
  .ebook-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }

  .navbar-links, .navbar-right .btn { display: none; }
  .hamburger { display: flex; }
  .navbar-right { gap: 8px; }

  .hero .container { grid-template-columns: 1fr; gap: 40px; text-align: center; padding: 56px 24px; }
  .hero-visual { display: none; }
  .hero-actions { justify-content: center; }
  .hero-sub { margin: 0 auto 36px; }

  .pain-banner .container { grid-template-columns: 1fr; }
  .pain-item + .pain-item { border-left: none; border-top: 1px solid var(--border); }

  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .featured-inner { grid-template-columns: 1fr; text-align: center; }
  .book-mockup { display: none; }
  .featured-actions { justify-content: center; flex-wrap: wrap; }

  .testimonial-grid { grid-template-columns: 1fr; }

  .newsletter-inner { grid-template-columns: 1fr; gap: 28px; }
  .newsletter-form { flex-direction: column; }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .criteria-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }

  .ebook-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat-card { padding: 20px 14px; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}