/*
Theme Name: Seoul Glow
Theme URI: https://chayoungju.com
Description: Premium K-Beauty Global D2C Landing Page — Engineered for International Markets
Version: 1.0.0
Author: Seoul Glow Team
Text Domain: seoul-glow
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --navy:        #1c1710;   /* warm charcoal — slow aging */
  --navy-light:  #2e2418;   /* warm brown-dark */
  --gold:        #b8835a;   /* terracotta / copper */
  --gold-light:  #d4a07a;   /* lighter terracotta */
  --cream:       #f7f0e4;   /* warm parchment */
  --blush:       #ede3d4;   /* warm sand */
  --sage:        #7a9470;   /* botanical sage accent */
  --white:       #fffdf9;   /* warm white */
  --text:        #1e1a16;
  --muted:       #7a7268;
  --border:      #e2d8c8;
  --shadow:      rgba(28, 23, 16, 0.08);
  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Inter', 'Helvetica Neue', Arial, sans-serif;
  --max-width:   1280px;
  --section-pad: 100px 5%;
  --radius:      8px;
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-serif); line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(34px, 5vw, 62px); }
h2 { font-size: clamp(26px, 3.5vw, 42px); }
h3 { font-size: clamp(17px, 2vw, 22px); }

/* ============================================================
   UTILITIES
   ============================================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 5%; }
.section    { padding: var(--section-pad); }
.text-center { text-align: center; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-label::before,
.section-label::after { content: ''; width: 24px; height: 1px; background: var(--gold); }
.section-title   { font-family: var(--font-serif); color: var(--navy); margin-bottom: 16px; }
.section-subtitle { font-size: 16px; color: var(--muted); max-width: 560px; margin: 0 auto 56px; }

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   PROMO BAR
   ============================================================ */
.promo-bar {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 10px 5%;
  font-size: 12px;
  letter-spacing: 1.5px;
  font-weight: 500;
}
.promo-bar span { color: var(--gold); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 2px 24px var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 1px;
}
.logo span { color: var(--gold); }

.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.5px;
  position: relative;
  transition: color 0.2s;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.main-nav a:hover { color: var(--gold); }
.main-nav a:hover::after { width: 100%; }

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

.btn-cart {
  background: var(--navy);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: background 0.2s;
  white-space: nowrap;
}
.btn-cart:hover { background: var(--navy-light); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--navy); transition: all 0.3s; }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--white);
  z-index: 2000;
  padding: 80px 30px 30px;
  flex-direction: column;
  gap: 24px;
  box-shadow: -8px 0 40px rgba(0,0,0,0.12);
  transition: right 0.4s var(--ease);
}
.mobile-nav.open { right: 0; }
.mobile-nav a {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1999;
}
.mobile-nav-close {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 28px;
  cursor: pointer;
  color: var(--muted);
  background: none;
  border: none;
  line-height: 1;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 90vh;
  background: linear-gradient(135deg, #1c1710 0%, #2e2418 55%, #1a1408 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -100px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(184,131,90,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(184,131,90,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Geometric deco rings */
.hero-deco { position: absolute; top: 0; right: 0; width: 55%; height: 100%; overflow: hidden; }
.hero-deco-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(184,131,90,0.12);
}
.hero-deco-ring:nth-child(1) { width: 500px; height: 500px; top: 8%; right: 4%; }
.hero-deco-ring:nth-child(2) { width: 720px; height: 720px; top: -12%; right: -8%; border-color: rgba(184,131,90,0.06); }
.hero-deco-ring:nth-child(3) { width: 320px; height: 320px; bottom: 12%; right: 18%; border-color: rgba(184,131,90,0.09); }

/* Hero real product image */
.hero-product-visual {
  position: absolute;
  right: 0;
  top: 0;
  width: 50%;
  height: 100%;
  z-index: 5;
  overflow: hidden;
}
.hero-product-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--navy) 0%, transparent 40%);
  z-index: 2;
  pointer-events: none;
}
.hero-product-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(28,23,16,0.3) 0%, transparent 30%, transparent 70%, rgba(28,23,16,0.5) 100%);
  z-index: 2;
  pointer-events: none;
}
.hero-product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.82;
  display: block;
}

/* Hero text */
.hero-content {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
  width: 100%;
}
.hero-inner { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184,131,90,0.12);
  border: 1px solid rgba(184,131,90,0.35);
  color: var(--gold-light);
  padding: 6px 14px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(1.4); }
}

.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 em { color: var(--gold-light); font-style: italic; }

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.68);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta-group { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  padding: 16px 36px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transition: all 0.25s var(--ease);
  display: inline-block;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,131,90,0.3);
}

.btn-ghost {
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.82);
  padding: 15px 32px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.25s;
  display: inline-block;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.75); color: var(--white); }

.hero-stats-row { display: flex; gap: 40px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat { border-left: 2px solid rgba(184,131,90,0.4); padding-left: 16px; }
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 700;
  color: var(--gold-light);
  line-height: 1; margin-bottom: 4px;
}
.hero-stat-label { font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 0.5px; }

/* ============================================================
   TRUST / MEDIA BAR
   ============================================================ */
.trust-bar {
  background: var(--navy);
  padding: 18px 5%;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto;
}
.trust-label {
  font-size: 10px;
  color: rgba(255,255,255,0.38);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 600;
  white-space: nowrap;
}
.trust-item {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: rgba(255,255,255,0.22);
  letter-spacing: 1px;
  transition: color 0.3s;
  cursor: default;
}
.trust-item:hover { color: rgba(255,255,255,0.55); }

/* ============================================================
   CLINICAL STATS
   ============================================================ */
.stats-section { padding: var(--section-pad); background: var(--cream); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  box-shadow: 0 4px 24px var(--shadow);
  border-top: 3px solid var(--gold);
  transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 42px rgba(28,23,16,0.12);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 50px; font-weight: 700;
  color: var(--navy);
  line-height: 1; margin-bottom: 8px;
}
.stat-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.stat-note  { font-size: 12px; color: var(--muted); line-height: 1.55; }

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products-section { padding: var(--section-pad); background: var(--white); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 18px 50px rgba(28,23,16,0.1);
}

.product-img {
  height: 280px;
  position: relative;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.product-card:hover .product-img img {
  transform: scale(1.05);
}
.product-img.c-navy    { background: linear-gradient(160deg, #2e2418, #1c1710); }
.product-img.c-cream   { background: linear-gradient(160deg, #f5e8e0, #e8d0c0); }
.product-img.c-sage    { background: linear-gradient(160deg, #e8f0e8, #c8dcc8); }
.product-img.c-blush   { background: linear-gradient(160deg, #f8e8f0, #e8c8d8); }
.product-img.c-midnight{ background: linear-gradient(160deg, #1a1060, #0a0820); }
.product-img.c-sand    { background: linear-gradient(160deg, #f8f0d8, #e8d8b0); }

/* Mini product bottle inside cards */
.p-bottle {
  position: relative;
  border-radius: 30px 30px 8px 8px;
  box-shadow: 0 14px 32px rgba(0,0,0,0.3);
}
.p-bottle::before {
  content: '';
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  width: 24px; height: 16px;
  border-radius: 3px 3px 0 0;
}

.p-bottle.gold   { width: 56px; height: 154px; background: linear-gradient(135deg, #e8c97a, #c8a84b, #a08030); }
.p-bottle.gold::before { background: linear-gradient(to bottom, #c8a84b, #806020); }

.p-bottle.white  { width: 54px; height: 138px; background: linear-gradient(135deg, #ffffff, #f0f0f0, #d8d8d8); }
.p-bottle.white::before { background: linear-gradient(to bottom, #c0c0c0, #909090); }

.p-bottle.peach  { width: 50px; height: 120px; background: linear-gradient(135deg, #f8d8c8, #e8b898, #d09070); }
.p-bottle.peach::before { background: linear-gradient(to bottom, #c89080, #806050); }

.p-bottle.navy   { width: 56px; height: 160px; background: linear-gradient(135deg, #5a3a2a, #2e2418, #1c1710); }
.p-bottle.navy::before { background: linear-gradient(to bottom, #3a5a8a, #1a2050); }

.p-bottle.rose   { width: 52px; height: 130px; background: linear-gradient(135deg, #f8d0d8, #e8a8b8, #c88090); }
.p-bottle.rose::before { background: linear-gradient(to bottom, #d88090, #906070); }

.p-bottle.olive  { width: 70px; height: 60px; border-radius: 8px; background: linear-gradient(135deg, #c8d8a0, #a0b870, #708050); }
.p-bottle.olive::before { display: none; }

.p-badge {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 2px;
  text-transform: uppercase;
}
.p-badge.hot  { background: #b91c1c; color: var(--white); }
.p-badge.new  { background: var(--gold); color: var(--navy); }
.p-badge.tech { background: var(--navy); color: var(--gold); }

.product-body { padding: 24px; }
.product-tag  { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 8px; }
.product-name { font-family: var(--font-serif); font-size: 19px; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.3; }
.product-desc { font-size: 13px; color: var(--muted); margin-bottom: 20px; line-height: 1.65; }

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.product-price { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--navy); }

.btn-add-cart {
  background: var(--navy);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.2s;
}
.btn-add-cart:hover { background: var(--gold); color: var(--navy); transform: scale(1.04); }

/* ============================================================
   TECHNOLOGY SECTION
   ============================================================ */
.tech-section {
  padding: var(--section-pad);
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.tech-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(184,131,90,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.tech-section .section-title   { color: var(--white); }
.tech-section .section-subtitle { color: rgba(255,255,255,0.58); }

.tech-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
}
.tech-step {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid rgba(184,131,90,0.18);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s;
}
.tech-step:hover {
  border-color: rgba(184,131,90,0.45);
  background: rgba(255,255,255,0.02);
}
.tech-step-num {
  font-family: var(--font-serif);
  font-size: 56px; font-weight: 700;
  color: rgba(184,131,90,0.18);
  line-height: 1; margin-bottom: 14px;
}
.tech-step-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(184,131,90,0.12);
  border: 1px solid rgba(184,131,90,0.28);
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
}
.tech-step-title { font-family: var(--font-serif); font-size: 20px; color: var(--white); margin-bottom: 12px; }
.tech-step-text  { font-size: 14px; color: rgba(255,255,255,0.52); line-height: 1.75; }

/* ============================================================
   INGREDIENTS
   ============================================================ */
.ingredients-section { padding: var(--section-pad); background: var(--blush); }

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
}
.ingredient-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.ingredient-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(28,23,16,0.08);
}
.ingredient-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(184,131,90,0.12), rgba(184,131,90,0.06));
  border: 1px solid rgba(184,131,90,0.3);
  margin: 0 auto 20px;
}
.ingredient-icon svg {
  width: 28px; height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ingredient-name   { font-family: var(--font-serif); font-size: 17px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.ingredient-origin { font-size: 11px; color: var(--gold); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
.ingredient-desc   { font-size: 12px; color: var(--muted); line-height: 1.65; }

/* ============================================================
   REVIEWS
   ============================================================ */
.reviews-section { padding: var(--section-pad); background: var(--white); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.review-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: transform 0.3s;
}
.review-card:hover { transform: translateY(-4px); }
.review-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 24px;
  font-family: var(--font-serif);
  font-size: 90px;
  color: rgba(184,131,90,0.12);
  line-height: 1;
}
.review-stars  { color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.review-text   { font-style: italic; font-size: 14px; color: var(--text); line-height: 1.78; margin-bottom: 20px; }

.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border);
}
.review-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.review-name { font-weight: 700; font-size: 13px; color: var(--navy); }
.review-meta { font-size: 11px; color: var(--muted); margin-top: 2px; }
.verified-tag { font-size: 10px; color: #16a34a; font-weight: 700; }

/* ============================================================
   NEWSLETTER CTA
   ============================================================ */
.newsletter-section {
  padding: 90px 5%;
  background: var(--navy);
  text-align: center;
}
.newsletter-section h2   { color: var(--white); margin-bottom: 12px; }
.newsletter-section > p  { color: rgba(255,255,255,0.58); font-size: 15px; margin-bottom: 36px; }

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  justify-content: center;
}
.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.07);
  color: var(--white);
  border-radius: 4px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.newsletter-input::placeholder { color: rgba(255,255,255,0.38); }
.newsletter-input:focus { border-color: var(--gold); }

.newsletter-btn {
  background: var(--gold);
  color: var(--navy);
  padding: 14px 28px;
  border: none; border-radius: 4px;
  font-size: 13px; font-weight: 700;
  cursor: pointer; letter-spacing: 0.5px;
  transition: background 0.2s;
  white-space: nowrap;
}
.newsletter-btn:hover { background: var(--gold-light); }
.newsletter-note { font-size: 12px; color: rgba(255,255,255,0.3); margin-top: 14px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: #100c08; color: var(--white); padding: 70px 5% 40px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand .logo { font-size: 26px; margin-bottom: 16px; display: block; color: var(--white); }
.footer-brand-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 280px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.13);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: border-color 0.2s, background 0.2s;
}
.footer-social a:hover { border-color: var(--gold); background: rgba(184,131,90,0.1); }

.footer-col h4 {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.42); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.28); }
.footer-copy a { color: rgba(255,255,255,0.28); transition: color 0.2s; }
.footer-copy a:hover { color: rgba(255,255,255,0.6); }

.payment-methods { display: flex; gap: 8px; flex-wrap: wrap; }
.payment-badge {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.45);
  font-size: 10px; font-weight: 700;
  padding: 5px 10px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}

/* ============================================================
   AI QUIZ BANNER
   ============================================================ */
.quiz-banner {
  padding: 52px 5%;
  background: linear-gradient(135deg, #1c1710 0%, #2a1e10 60%, #1a1208 100%);
  border-top: 1px solid rgba(184,131,90,0.2);
  border-bottom: 1px solid rgba(184,131,90,0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.quiz-banner-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.quiz-banner-label::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulseDot 2s infinite;
}
.quiz-banner-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.quiz-banner-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.52);
  max-width: 560px;
  line-height: 1.75;
}
.btn-quiz {
  flex-shrink: 0;
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
  padding: 15px 34px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.25s var(--ease);
  display: inline-block;
  white-space: nowrap;
}
.btn-quiz:hover {
  background: var(--gold);
  color: var(--navy);
}

/* ============================================================
   POTENCY METER (고기능성 효능 게이지)
   ============================================================ */
.potency-wrap {
  margin-bottom: 18px;
}
.potency-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.potency-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  font-family: monospace;
}
.potency-pct {
  font-size: 11px;
  font-weight: 700;
  color: var(--gold);
}
.potency-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.potency-fill {
  height: 100%;
  background: linear-gradient(to right, var(--gold), var(--gold-light));
  border-radius: 2px;
  transition: width 1.2s var(--ease);
}

/* System code tag */
.sys-code {
  font-size: 10px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
  font-family: monospace;
  opacity: 0.8;
}

/* Subscription strip */
.subscription-strip {
  background: rgba(184,131,90,0.08);
  border: 1px solid rgba(184,131,90,0.2);
  border-radius: 4px;
  padding: 10px 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.subscription-strip strong { color: var(--gold-light); }
.sub-icon { font-size: 14px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .stats-grid        { grid-template-columns: repeat(2, 1fr); }
  .products-grid     { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid  { grid-template-columns: repeat(2, 1fr); }
  .footer-grid       { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-product-visual { width: 45%; opacity: 0.55; }
}

@media (max-width: 768px) {
  :root { --section-pad: 70px 5%; }
  .main-nav, .btn-cart { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav  { display: flex; }
  .hero { min-height: 88vh; }
  .hero-product-visual { display: none; }
  .stats-grid        { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .products-grid     { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .tech-steps        { grid-template-columns: 1fr; }
  .ingredients-grid  { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid      { grid-template-columns: 1fr; }
  .footer-grid       { grid-template-columns: 1fr; }
  .footer-bottom     { flex-direction: column; align-items: flex-start; }
  .newsletter-form   { flex-direction: column; }
  .trust-bar-inner   { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; }
}

@media (max-width: 480px) {
  .stats-grid       { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .hero-stats-row   { gap: 20px; }
}