/* ===== BARRIERLAB — GLOBAL STYLES ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;600&display=swap');

:root {
  --navy: #1B2A4A;
  --navy-mid: #2D4070;
  --navy-light: #3D5A9A;
  --blue-accent: #5BA3CC;
  --blue-light: #A8CCE0;
  --white: #FFFFFF;
  --off-white: #F5F8FB;
  --gray-100: #EEF2F7;
  --gray-200: #DDE4ED;
  --gray-400: #8FA0B8;
  --gray-600: #4A5A72;
  --text: #1B2A4A;
  --text-muted: #6B7A92;
  --success: #2A9D5C;
  --border: #DDE4ED;
  --shadow-sm: 0 1px 3px rgba(27,42,74,0.08);
  --shadow-md: 0 4px 16px rgba(27,42,74,0.12);
  --shadow-lg: 0 8px 32px rgba(27,42,74,0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { color: var(--gray-600); line-height: 1.7; }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 0.5rem;
}

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header p { max-width: 560px; margin: 12px auto 0; font-size: 1.05rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-white {
  background: var(--white);
  color: var(--navy);
}
.btn-white:hover { background: var(--gray-100); }

.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 9px 20px; font-size: 0.82rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-logo-text {
  font-family: 'Inter', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1;
}

.footer-brand-text {
  font-family: 'Inter', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  display: block;
}

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

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover, .nav-links a.active { color: var(--navy); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}
.cart-btn:hover { background: var(--navy-mid); }

.cart-count {
  background: var(--blue-accent);
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}
.cart-count.visible { display: flex; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  padding: 10px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-100);
}
.nav-mobile a:last-child { border-bottom: none; }

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 10px 24px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.announcement-bar span { color: var(--blue-accent); font-weight: 700; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, rgba(27,42,74,0.88) 0%, rgba(45,64,112,0.80) 60%, rgba(61,90,154,0.72) 100%), url('../images/hero_background.png') center/cover no-repeat;
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(91,163,204,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-full {
  max-width: 760px;
}

.hero-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-product-img {
  width: 100%;
  max-width: 520px;
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
  display: block;
  object-fit: contain;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-accent);
  margin-bottom: 16px;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--blue-accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-badges {
  display: flex;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 7px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
}

.badge-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-stack {
  position: relative;
  width: 380px;
  height: 420px;
}

.hero-product-card {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  padding: 20px;
  text-align: center;
}

.hero-product-card:nth-child(1) { width: 160px; top: 0; left: 0; }
.hero-product-card:nth-child(2) { width: 180px; top: 30px; right: 0; }
.hero-product-card:nth-child(3) { width: 150px; bottom: 20px; left: 40px; }

.hero-product-card .product-visual-mini {
  width: 70px;
  height: 90px;
  margin: 0 auto 10px;
  border-radius: 8px;
}

.hero-product-card p {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

.hero-product-card .price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-accent);
  margin-top: 4px;
}

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-bar-inner {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}
.trust-item svg { color: var(--blue-accent); flex-shrink: 0; }

/* ===== PRODUCTS GRID ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--blue-light);
}

.product-card-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  position: relative;
  overflow: hidden;
  background: #F5F5F5;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.35s ease;
}

.product-card-img .img-back {
  position: absolute;
  top: 16px; left: 16px; right: 16px; bottom: 16px;
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  opacity: 0;
}

.product-card-img:hover .img-front,
.product-card-img.tapped .img-front {
  opacity: 0;
}

.product-card-img:hover .img-back,
.product-card-img.tapped .img-back {
  opacity: 1;
}

.product-page-visual img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
}

.product-visual {
  width: 110px;
  height: 150px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.pv-serum { background: linear-gradient(160deg, #F5A623 0%, #E8851A 100%); }
.pv-cream { background: linear-gradient(160deg, #5BA3CC 0%, #3D7FA8 100%); }
.pv-wash { background: linear-gradient(160deg, #4CAF8A 0%, #2E8B64 100%); }
.pv-retinol { background: linear-gradient(160deg, #7B68EE 0%, #5848C4 100%); }

.product-visual svg { opacity: 0.9; }

.product-badge-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--navy);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card-body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}
.product-card-body .desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  flex: 1;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--gray-100);
  gap: 12px;
}
.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}
.product-ingredients {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.ingredient-tag {
  font-size: 0.72rem;
  background: var(--gray-100);
  color: var(--navy-mid);
  padding: 3px 9px;
  border-radius: 100px;
  font-weight: 500;
}

/* ===== STARS ===== */
.stars { color: #F5A623; font-size: 0.85rem; letter-spacing: 1px; }
.rating-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.rating-count { font-size: 0.78rem; color: var(--text-muted); }

/* ===== REVIEWS ===== */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.review-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.reviewer-name { font-weight: 600; font-size: 0.9rem; color: var(--navy); }
.reviewer-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.verified-badge { font-size: 0.7rem; color: var(--success); font-weight: 600; display: flex; align-items: center; gap: 4px; }
.review-text { font-size: 0.88rem; color: var(--gray-600); line-height: 1.65; }
.review-product-tag { font-size: 0.72rem; color: var(--blue-accent); font-weight: 600; margin-top: 10px; }

/* ===== ABOUT / BRAND STORY ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-visual {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stat-block { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--white); line-height: 1; }
.stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 4px; font-weight: 500; letter-spacing: 0.05em; }
.stat-line { width: 30px; height: 2px; background: var(--blue-accent); margin: 8px auto 0; }

.about-content h2 { margin-bottom: 16px; }
.about-content p { margin-bottom: 16px; }
.about-points { margin: 24px 0; display: flex; flex-direction: column; gap: 12px; }
.about-point { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9rem; color: var(--gray-600); }
.about-point-icon { width: 20px; height: 20px; background: var(--navy); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }

/* ===== HOW IT WORKS ===== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.5% + 8px);
  right: calc(16.5% + 8px);
  height: 2px;
  background: var(--gray-200);
}
.step-card { text-align: center; padding: 0 16px; position: relative; }
.step-number {
  width: 56px;
  height: 56px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
}
.step-card h3 { margin-bottom: 8px; }
.step-card p { font-size: 0.88rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--blue-accent); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  cursor: pointer;
  gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--off-white); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-icon { background: var(--navy); transform: rotate(45deg); }
.faq-icon svg { width: 14px; height: 14px; }
.faq-item.open .faq-icon svg { stroke: white; }
.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-answer-inner { padding-bottom: 18px; font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ===== NEWSLETTER ===== */
.newsletter-section {
  background: var(--navy);
  padding: 72px 0;
}
.newsletter-inner { max-width: 540px; margin: 0 auto; text-align: center; }
.newsletter-inner h2 { color: var(--white); margin-bottom: 10px; }
.newsletter-inner p { color: rgba(255,255,255,0.65); margin-bottom: 28px; }
.newsletter-form { display: flex; gap: 10px; }
.newsletter-form input {
  flex: 1;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.9rem;
  font-family: inherit;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
  outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.45); }
.newsletter-form input:focus { border-color: var(--blue-accent); background: rgba(255,255,255,0.16); }
.newsletter-note { font-size: 0.75rem; color: rgba(255,255,255,0.4); margin-top: 12px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 56px 0 28px;
  color: rgba(255,255,255,0.65);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand img { height: 38px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-brand p { font-size: 0.84rem; line-height: 1.65; max-width: 240px; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 0.84rem; padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
}
.footer-bottom a:hover { color: var(--white); }

/* ===== EMAIL POPUP ===== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,42,74,0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.popup-overlay.visible { opacity: 1; pointer-events: all; }

.popup {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s;
  position: relative;
}
.popup-overlay.visible .popup { transform: translateY(0) scale(1); }

.popup-header {
  background: var(--navy);
  padding: 36px 36px 28px;
  text-align: center;
  color: var(--white);
}
.popup-header h2 { color: var(--white); font-size: 1.6rem; margin-bottom: 6px; }
.popup-header p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.popup-body { padding: 28px 36px 32px; }
.popup-code {
  background: var(--off-white);
  border: 2px dashed var(--blue-accent);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  margin-bottom: 20px;
}
.popup-code .code { font-size: 1.5rem; font-weight: 800; color: var(--navy); letter-spacing: 0.1em; }
.popup-code small { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 2px; }
.popup-form { display: flex; flex-direction: column; gap: 10px; }
.popup-form input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.popup-form input:focus { border-color: var(--navy); }
.popup-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 1.3rem;
  border-radius: 50%;
  transition: all var(--transition);
}
.popup-close:hover { background: rgba(255,255,255,0.15); color: white; }
.popup-skip { text-align: center; margin-top: 12px; font-size: 0.78rem; color: var(--text-muted); cursor: pointer; }
.popup-skip:hover { color: var(--navy); }

/* ===== CART SIDEBAR ===== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,42,74,0.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cart-overlay.visible { opacity: 1; pointer-events: all; }

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  max-width: 100vw;
  height: 100vh;
  background: var(--white);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s;
  box-shadow: var(--shadow-lg);
}
.cart-sidebar.open { transform: translateX(0); }
.cart-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cart-sidebar-header h3 { font-size: 1.05rem; }
.cart-close { font-size: 1.4rem; color: var(--gray-400); padding: 4px; }
.cart-close:hover { color: var(--navy); }
.cart-items { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.cart-empty { text-align: center; padding: 48px 24px; color: var(--text-muted); font-size: 0.9rem; }
.cart-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cart-item-visual {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.88rem; font-weight: 600; color: var(--navy); }
.cart-item-price { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }
.cart-item-controls { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.qty-btn { width: 24px; height: 24px; background: var(--gray-100); border-radius: 4px; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: background var(--transition); }
.qty-btn:hover { background: var(--gray-200); }
.qty-value { font-size: 0.85rem; font-weight: 600; min-width: 20px; text-align: center; }
.cart-remove { color: var(--gray-400); font-size: 1.1rem; margin-left: auto; }
.cart-remove:hover { color: #e53e3e; }
.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  background: var(--off-white);
}
.cart-total { display: flex; justify-content: space-between; font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.cart-discount-note { font-size: 0.78rem; color: var(--success); font-weight: 600; margin-bottom: 12px; }

/* ===== PRODUCT PAGE ===== */
.product-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.product-page-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
  padding: 40px;
}
.product-page-visual .product-visual-lg {
  width: 180px;
  height: 240px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.product-info h1 { font-size: 2rem; margin-bottom: 8px; }
.product-info .tagline { font-size: 1rem; color: var(--text-muted); margin-bottom: 20px; }
.product-price-lg { font-size: 2rem; font-weight: 800; color: var(--navy); margin-bottom: 24px; }
.product-description { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 24px; }
.add-to-cart-row { display: flex; gap: 12px; margin-bottom: 24px; align-items: center; flex-wrap: wrap; }
.qty-selector { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.qty-selector button { width: 40px; height: 46px; background: var(--gray-100); font-size: 1.1rem; transition: background var(--transition); display: flex; align-items: center; justify-content: center; }
.qty-selector button:hover { background: var(--gray-200); }
.qty-selector input { width: 48px; height: 46px; border: none; text-align: center; font-family: inherit; font-size: 1rem; font-weight: 600; color: var(--navy); outline: none; }
.product-meta { display: flex; flex-direction: column; gap: 10px; padding: 20px; background: var(--off-white); border-radius: var(--radius); margin-bottom: 24px; }
.meta-row { display: flex; gap: 8px; font-size: 0.85rem; }
.meta-row strong { color: var(--navy); min-width: 120px; }
.meta-row span { color: var(--gray-600); }
.product-benefits { display: flex; flex-direction: column; gap: 8px; }
.benefit-item { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: var(--gray-600); }
.benefit-dot { width: 6px; height: 6px; background: var(--blue-accent); border-radius: 50%; flex-shrink: 0; }

/* ===== PAGE HERO ===== */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); font-size: 2.5rem; margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.65); font-size: 1rem; max-width: 480px; margin: 0 auto; }
.breadcrumb { display: flex; align-items: center; gap: 8px; justify-content: center; font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,0.5); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: var(--white); font-weight: 600; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; }
.contact-icon { width: 44px; height: 44px; background: var(--off-white); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon svg { color: var(--navy); }
.contact-item h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-item p { font-size: 0.85rem; }
.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.82rem; 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);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--navy); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--navy);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.35s;
  z-index: 500;
  max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { color: var(--blue-accent); }

/* ===== UTILITY ===== */
.bg-off-white { background: var(--off-white); }
.bg-navy { background: var(--navy); }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.divider { height: 1px; background: var(--border); margin: 40px 0; }
.highlight { color: var(--blue-accent); }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { max-width: 100%; }
  .hero-cta { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-visual { display: none; }
  .hero-image-wrap { display: none; }
  .hero-full { max-width: 100%; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .product-page-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .add-to-cart-row { flex-direction: column; align-items: stretch; }
  .hero { padding: 60px 0 56px; }
  .trust-bar-inner { gap: 20px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .hero-badges { flex-direction: column; align-items: center; }
  .popup { margin: 12px; }
  .popup-header, .popup-body { padding-left: 24px; padding-right: 24px; }
  .cart-sidebar { width: 100vw; }
}