/* ==========================================================================
   KOREAN GLOW™ — 100% TRUTHFUL & LEGALLY COMPLIANT DESIGN SYSTEM
   Compliant with: Consumer Protection (E-Commerce) Rules 2020 & ASCI Skincare Norms
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Tokens */
  --kg-bg-canvas: #FFFFFF;
  --kg-bg-pearl: #F8F9FB;
  --kg-bg-subtle: #F1F4F8;
  --kg-bg-dark: #0B0F19;
  
  --kg-rose-primary: #E11D48;
  --kg-rose-deep: #BE123C;
  --kg-rose-soft: #FFF1F2;
  --kg-rose-mist: #FFE4E6;
  --kg-rose-glow: rgba(225, 29, 72, 0.22);

  --kg-text-dark: #0F172A;
  --kg-text-body: #334155;
  --kg-text-muted: #64748B;
  --kg-text-light: #94A3B8;

  --kg-border-subtle: #E2E8F0;
  --kg-border-soft: #CBD5E1;
  --kg-border-rose: rgba(225, 29, 72, 0.25);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-subtle: 0 2px 10px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 0 0 1px rgba(226, 232, 240, 0.8);
  --shadow-float: 0 20px 45px -10px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(226, 232, 240, 0.9);
  --shadow-rose-sheen: 0 12px 30px rgba(225, 29, 72, 0.3);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --transition-luxury: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --spring-physics: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Motion Reveals */
.motion-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: var(--spring-physics);
  will-change: transform, opacity;
}

.motion-reveal.motion-in-view {
  opacity: 1;
  transform: translateY(0px);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--kg-bg-canvas);
  color: var(--kg-text-body);
  line-height: 1.75;
  overflow-x: hidden;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* Typography Hierarchy */
.font-display { font-family: var(--font-display); }

.heading-display {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--kg-text-dark);
}

.heading-section {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--kg-text-dark);
}

.heading-card {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--kg-text-dark);
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kg-rose-primary);
  margin-bottom: 14px;
}

.eyebrow::before, .eyebrow::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 1.5px;
  background: var(--kg-rose-primary);
}

/* Containers */
.kg-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

.kg-section {
  padding-top: clamp(56px, 7vw, 100px);
  padding-bottom: clamp(56px, 7vw, 100px);
  position: relative;
}

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

/* Truthful Brandmark Lockup */
.kg-brandmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.kg-logo-emblem {
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

.kg-brandmark:hover .kg-logo-emblem {
  transform: rotate(15deg) scale(1.05);
}

.kg-logo-text {
  display: flex;
  flex-direction: column;
}

.kg-logo-main {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--kg-text-dark);
  line-height: 1.1;
}

.kg-logo-sub {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--kg-rose-primary);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Buttons */
.kg-btn-rose {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 15px 34px;
  background: linear-gradient(135deg, #E11D48 0%, #BE123C 100%);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-rose-sheen);
  position: relative;
  overflow: hidden;
  transition: var(--transition-luxury);
  text-decoration: none;
  cursor: pointer;
}

.kg-btn-rose:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(225, 29, 72, 0.45);
}

/* Header */
.kg-announcement {
  background: #0F172A;
  color: #E2E8F0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: 9px 16px;
}

.kg-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--kg-border-subtle);
}

.kg-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.kg-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.kg-nav-link {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kg-text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s ease;
}

.kg-nav-link:hover {
  color: var(--kg-text-dark);
}

.kg-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 0%; height: 1.5px;
  background: var(--kg-rose-primary);
  transition: width 0.3s ease;
}

.kg-nav-link:hover::after {
  width: 100%;
}

/* Hero Section */
.kg-hero {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 7vw, 92px);
  background: radial-gradient(ellipse at 85% 20%, #FFF1F3 0%, #FFFFFF 65%);
  position: relative;
}

.kg-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(36px, 5vw, 68px);
}

.kg-hero-desc {
  font-size: clamp(15px, 1.7vw, 16.5px);
  color: var(--kg-text-muted);
  line-height: 1.8;
  margin: 16px 0 24px;
  max-width: 520px;
}

.kg-purchase-card {
  background: #FFFFFF;
  border: 1.5px solid rgba(225, 29, 72, 0.16);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
  box-shadow: 0 16px 40px -10px rgba(225, 29, 72, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.04);
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.kg-purchase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.kg-stock-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: #15803d;
  background: #f0fdf4;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid #86efac;
}

.kg-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.2);
  display: inline-block;
  animation: kgPulse 1.8s infinite;
}

@keyframes kgPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(22, 163, 74, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

.kg-pack-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--kg-text-dark);
  background: #f8fafc;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--kg-border-subtle);
}

.kg-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.kg-price-main {
  display: flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--kg-text-dark);
}

.kg-price-currency {
  font-size: 24px;
  margin-right: 2px;
}

.kg-price-val {
  font-size: 38px;
  line-height: 1;
}

.kg-price-mrp {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 14px;
  color: var(--kg-text-light);
  text-decoration: line-through;
}

.kg-save-pill {
  background: #ffe4e6;
  color: #e11d48;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(225, 29, 72, 0.2);
}

.kg-purchase-subtext {
  font-size: 12px;
  color: var(--kg-text-muted);
  font-weight: 500;
  margin-top: -6px;
}

.kg-btn-block {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 16px 24px;
}

.kg-trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--kg-text-muted);
  padding-top: 4px;
}

.kg-trust-row .kg-check {
  color: #15803d;
  font-weight: 800;
  margin-right: 3px;
}

.kg-trust-row .kg-trust-dot {
  color: var(--kg-rose-primary);
  opacity: 0.5;
}

.kg-product-hero-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #F8FAFC 0%, #EEF2F6 100%);
  border: 1px solid var(--kg-border-subtle);
  box-shadow: var(--shadow-float);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kg-product-hero-stage::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(225, 29, 72, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.kg-product-hero-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 20px 25px rgba(15, 23, 42, 0.14));
}

.kg-product-hero-stage:hover img {
  transform: scale(1.03) translateY(-4px);
}

/* Floating Micro Badges */
.kg-float-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--kg-border-subtle);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--kg-text-dark);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  z-index: 5;
}

/* Ribbon Facts Strip */
.kg-ribbon {
  background: var(--kg-bg-pearl);
  padding: 26px 0;
  border-top: 1px solid var(--kg-border-subtle);
  border-bottom: 1px solid var(--kg-border-subtle);
}

.kg-ribbon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.kg-ribbon-col {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 14px;
  border-right: 1px solid var(--kg-border-subtle);
}

.kg-ribbon-col:last-child {
  border-right: none;
}

.kg-ribbon-icon-wrap {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--kg-rose-soft);
  border: 1px solid var(--kg-rose-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kg-rose-primary);
  flex-shrink: 0;
}

/* Actives Grid */
.kg-actives-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
}

.kg-active-card {
  background: #FFFFFF;
  border: 1px solid var(--kg-border-subtle);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-luxury);
  position: relative;
  overflow: hidden;
}

.kg-active-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: var(--kg-border-soft);
}

.kg-active-icon {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--kg-rose-soft);
  border: 1px solid var(--kg-rose-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kg-rose-primary);
  margin-bottom: 18px;
}

/* Protocol Grid */
.kg-protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 44px;
}

.kg-protocol-card {
  background: #FFFFFF;
  border: 1px solid var(--kg-border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
}

.kg-protocol-pill {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--kg-rose-soft);
  color: var(--kg-rose-primary);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

/* FAQ Accordion */
.kg-faq-deck {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin: 36px auto 0;
}

.kg-faq-card {
  background: #FFFFFF;
  border: 1px solid var(--kg-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-luxury);
}

.kg-faq-card.open {
  border-color: var(--kg-rose-primary);
  box-shadow: var(--shadow-subtle);
}

.kg-faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--kg-text-dark);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.kg-faq-chevron {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--kg-rose-soft);
  border: 1px solid var(--kg-rose-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kg-rose-primary);
  transition: transform 0.3s ease;
}

.kg-faq-card.open .kg-faq-chevron {
  transform: rotate(180deg);
  background: var(--kg-rose-primary);
  color: #FFFFFF;
}

.kg-faq-content {
  display: none;
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--kg-text-muted);
  line-height: 1.75;
}

.kg-faq-card.open .kg-faq-content {
  display: block;
}

/* Final Flagship Conversion CTA Container */
.kg-flagship-cta {
  background: linear-gradient(145deg, #0F172A 0%, #020617 100%);
  border: 1.5px solid rgba(225, 29, 72, 0.4);
  border-radius: var(--radius-lg);
  padding: clamp(44px, 7vw, 76px) clamp(24px, 5vw, 48px);
  text-align: center;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.35);
  position: relative;
  overflow: hidden;
}

.kg-flagship-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(225, 29, 72, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

/* Mobile Sticky Bar */
.kg-sticky-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 990;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--kg-border-subtle);
  padding: 10px 16px;
  display: none;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.kg-sticky-price {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--kg-text-dark);
}

/* Responsive */
@media (max-width: 1024px) {
  .kg-ribbon-grid { grid-template-columns: repeat(2, 1fr); }
  .kg-ribbon-col:nth-child(2) { border-right: none; }
  .kg-actives-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .kg-nav-links { display: none; }
  .kg-hero-grid { grid-template-columns: 1fr; }
  .kg-protocol-grid { grid-template-columns: 1fr; }
  .kg-ribbon-grid { grid-template-columns: 1fr; }
  .kg-ribbon-col { border-right: none; border-bottom: 1px solid var(--kg-border-subtle); padding-bottom: 14px; }
  .kg-ribbon-col:last-child { border-bottom: none; }
  .kg-sticky-bar { display: flex; }
}

@media (max-width: 430px) {
  .kg-offer-pod { flex-direction: column; align-items: flex-start; gap: 8px; }
  .kg-btn-rose { width: 100%; }
}