/* ============================================================
   SOFY REDESIGN — style.css
   Design System: Clean Feminine Minimalism
   ============================================================ */

/* -----------------------------------------------
   1. CSS VARIABLES (Design Tokens)
----------------------------------------------- */
:root {
  /* Colors */
  --color-primary:       #D4547A;
  --color-primary-dark:  #B03A60;
  --color-primary-light: #F7B2C3;
  --color-primary-pale:  #FDF0F3;
  --color-dark:          #1E1E2E;
  --color-dark-2:        #2D2D3E;
  --color-gray-900:      #111827;
  --color-gray-700:      #374151;
  --color-gray-500:      #6B7280;
  --color-gray-300:      #D1D5DB;
  --color-gray-100:      #F3F4F6;
  --color-white:         #FFFFFF;

  /* Typography */
  --font-sans: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter', 'Noto Sans KR', sans-serif;

  /* Font Sizes */
  --fs-xs:   0.75rem;    /* 12px */
  --fs-sm:   0.875rem;   /* 14px */
  --fs-base: 1rem;       /* 16px */
  --fs-lg:   1.125rem;   /* 18px */
  --fs-xl:   1.25rem;    /* 20px */
  --fs-2xl:  1.5rem;     /* 24px */
  --fs-3xl:  1.875rem;   /* 30px */
  --fs-4xl:  2.25rem;    /* 36px */
  --fs-5xl:  3rem;       /* 48px */
  --fs-6xl:  3.75rem;    /* 60px */

  /* Spacing (8px base) */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.16);

  /* Border Radius */
  --radius-sm:  0.375rem;  /* 6px */
  --radius-md:  0.75rem;   /* 12px */
  --radius-lg:  1rem;      /* 16px */
  --radius-xl:  1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

/* -----------------------------------------------
   2. 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-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* -----------------------------------------------
   3. LAYOUT UTILITIES
----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-padding {
  padding: var(--space-24) 0;
}

.bg-blush {
  background-color: var(--color-primary-pale);
}

.bg-dark {
  background-color: var(--color-dark);
}

/* -----------------------------------------------
   4. TYPOGRAPHY UTILITIES
----------------------------------------------- */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-eyebrow.light {
  color: var(--color-primary-light);
}

.section-title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-title.light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--color-gray-500);
  max-width: 560px;
}

.section-subtitle.light {
  color: rgba(255,255,255,0.7);
}

.section-body {
  font-size: var(--fs-base);
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

.text-primary {
  color: var(--color-primary);
}

/* -----------------------------------------------
   5. BUTTONS
----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Sizes */
.btn-sm  { font-size: var(--fs-sm);  padding: 0.5rem 1.25rem; }
.btn-md  { font-size: var(--fs-base); padding: 0.75rem 1.75rem; }
.btn-lg  { font-size: var(--fs-lg);  padding: 1rem 2.5rem; }

/* Variants */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,84,122,0.35);
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.8);
}
.btn-outline-white:hover {
  background-color: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-ghost-white {
  background-color: transparent;
  color: rgba(255,255,255,0.75);
  border-color: transparent;
}
.btn-ghost-white:hover {
  color: var(--color-white);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn-white:hover {
  background-color: var(--color-primary-pale);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* -----------------------------------------------
   6. SCROLL REVEAL ANIMATIONS
----------------------------------------------- */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: none;
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* -----------------------------------------------
   7. HEADER / NAVIGATION
----------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.transparent {
  background-color: transparent;
}

.site-header.scrolled {
  background-color: var(--color-white);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  color: var(--color-white);
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.site-header.scrolled .logo {
  color: var(--color-primary);
}

/* Main Nav */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.01em;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 100%;
  height: 1.5px;
  background-color: currentColor;
  transition: right var(--transition-base);
}

.nav-link:hover {
  color: var(--color-white);
}

.nav-link:hover::after {
  right: 0;
}

.site-header.scrolled .nav-link {
  color: var(--color-gray-700);
}

.site-header.scrolled .nav-link:hover {
  color: var(--color-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.site-header.scrolled .hamburger span {
  background-color: var(--color-dark);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav-link {
  display: block;
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-gray-900);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* -----------------------------------------------
   8. HERO SLIDER
----------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(14, 14, 26, 0.72) 0%,
    rgba(14, 14, 26, 0.35) 60%,
    rgba(14, 14, 26, 0.1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-primary-light);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Slider Controls */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all var(--transition-base);
}

.slider-btn:hover {
  background-color: rgba(255,255,255,0.3);
}

.slider-prev { left: var(--space-8); }
.slider-next { right: var(--space-8); }

/* Slider Dots */
.slider-dots {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: var(--space-3);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.4);
  border: none;
  transition: all var(--transition-base);
}

.dot.active {
  width: 28px;
  border-radius: 4px;
  background-color: var(--color-white);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.5);
}

.scroll-indicator span {
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 500;
  writing-mode: vertical-lr;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* -----------------------------------------------
   9. BRAND STORY
----------------------------------------------- */
.brand-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.brand-story-content {
  max-width: 520px;
}

.brand-story-content .section-title {
  font-size: var(--fs-5xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.brand-stats {
  display: flex;
  gap: var(--space-8);
  margin: var(--space-10) 0;
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}

/* Brand Story Image */
.image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.image-wrapper:hover img {
  transform: scale(1.04);
}

.image-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-white);
  color: var(--color-primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

/* -----------------------------------------------
   10. PRODUCTS
----------------------------------------------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Product Card */
.product-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--color-gray-100);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.06);
}

/* Product Tag */
.product-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.product-tag.new  { background-color: #3B82F6; }
.product-tag.eco  { background-color: #10B981; }

/* Product Overlay */
.product-card-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(30, 30, 46, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-card-body {
  padding: var(--space-6);
}

.product-category {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
}

.product-name {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.product-desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.product-link {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.product-link:hover {
  gap: var(--space-2);
  color: var(--color-primary-dark);
}

/* Product CTA Card */
.product-cta-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.product-cta-inner {
  text-align: center;
  color: var(--color-white);
  padding: var(--space-8);
}

.product-cta-inner svg {
  margin: 0 auto var(--space-5);
  opacity: 0.9;
}

.product-cta-inner h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.product-cta-inner p {
  font-size: var(--fs-sm);
  opacity: 0.85;
  margin-bottom: var(--space-6);
}

.section-cta {
  text-align: center;
  margin-top: var(--space-12);
}

/* -----------------------------------------------
   11. CAMPAIGN / CSR
----------------------------------------------- */
.campaign-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.campaign-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
}

.campaign-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.8s ease;
}

.campaign-card:hover .campaign-card-bg {
  transform: scale(1.05);
}

.campaign-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(14, 14, 26, 0.9) 0%,
    rgba(14, 14, 26, 0.4) 50%,
    rgba(14, 14, 26, 0.1) 100%
  );
}

.ccm-overlay {
  background: linear-gradient(
    to top,
    rgba(30, 15, 40, 0.92) 0%,
    rgba(30, 15, 40, 0.45) 50%,
    rgba(30, 15, 40, 0.1) 100%
  );
}

.campaign-card-content {
  position: relative;
  z-index: 2;
  padding: var(--space-10);
  color: var(--color-white);
}

.campaign-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background-color: rgba(212,84,122,0.3);
  border: 1px solid rgba(212,84,122,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary-light);
}

.ccm-icon {
  background-color: rgba(139,92,246,0.3);
  border-color: rgba(139,92,246,0.5);
  color: #C4B5FD;
}

.campaign-eyebrow {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-3);
}

.campaign-title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

.campaign-desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

/* -----------------------------------------------
   12. PROMISE
----------------------------------------------- */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.promise-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  background-color: var(--color-white);
}

.promise-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.promise-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
  transition: background-color var(--transition-base);
}

.promise-card:hover .promise-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.promise-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.promise-desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.75;
}

/* -----------------------------------------------
   13. ACCORDION (Research Lab)
----------------------------------------------- */
.accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.accordion-item {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.accordion-item.open {
  border-color: var(--color-primary);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  background-color: rgba(255,255,255,0.05);
  color: var(--color-white);
  text-align: left;
  transition: background-color var(--transition-base);
  gap: var(--space-4);
}

.accordion-header:hover {
  background-color: rgba(255,255,255,0.08);
}

.accordion-item.open .accordion-header {
  background-color: rgba(212,84,122,0.15);
}

.accordion-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.accordion-number {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.accordion-title {
  font-size: var(--fs-xl);
  font-weight: 600;
}

.accordion-icon {
  flex-shrink: 0;
  color: rgba(255,255,255,0.5);
  transition: transform var(--transition-base), color var(--transition-base);
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-primary-light);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.open .accordion-body {
  max-height: 300px;
}

.accordion-body p {
  padding: var(--space-6) var(--space-8);
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-base);
  line-height: 1.8;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.accordion-link {
  display: inline-block;
  padding: 0 var(--space-8) var(--space-6);
  color: var(--color-primary-light);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.accordion-link:hover {
  color: var(--color-primary);
}

/* -----------------------------------------------
   14. NEWS
----------------------------------------------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.news-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.news-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: var(--color-gray-100);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.06);
}

.news-category {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 2;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.news-card-body {
  padding: var(--space-6);
}

.news-date {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.news-title {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.5;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast);
}

.news-link:hover {
  gap: var(--space-2);
}

/* -----------------------------------------------
   15. COMMUNITY CTA
----------------------------------------------- */
.community-cta {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.community-cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.community-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(176,58,96,0.88) 0%,
    rgba(212,84,122,0.75) 50%,
    rgba(30,30,46,0.7) 100%
  );
}

.community-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: var(--space-16) 0;
}

.community-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin: var(--space-4) 0 var(--space-6);
  letter-spacing: -0.02em;
}

.community-desc {
  font-size: var(--fs-lg);
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-10);
}

/* -----------------------------------------------
   16. FOOTER
----------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
}

.footer-top {
  padding: var(--space-16) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-top-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-logo {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.footer-tagline {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-nav-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-list a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-nav-list a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding: var(--space-8) 0;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-company,
.footer-copyright {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
  line-height: 1.6;
}

/* -----------------------------------------------
   17. RESPONSIVE — TABLET (max 1024px)
----------------------------------------------- */
@media (max-width: 1024px) {
  :root { --header-height: 64px; }

  .section-padding { padding: var(--space-16) 0; }

  .brand-story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .brand-story-content {
    max-width: 100%;
  }

  .brand-story-content .section-title {
    font-size: var(--fs-4xl);
  }

  .image-wrapper {
    aspect-ratio: 16/9;
    max-height: 420px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* -----------------------------------------------
   18. RESPONSIVE — MOBILE (max 768px)
----------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .container { padding: 0 var(--space-5); }

  .section-padding { padding: var(--space-12) 0; }

  /* Hide desktop nav, show hamburger */
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn-primary { display: none; }

  /* Hero */
  .hero { height: 90vh; }
  .hero-title { font-size: 2.25rem; }
  .hero-desc { font-size: var(--fs-base); }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  .slider-prev { left: var(--space-4); }
  .slider-next { right: var(--space-4); }
  .scroll-indicator { display: none; }

  /* Brand Story */
  .brand-stats { flex-direction: column; gap: var(--space-4); }

  /* Products */
  .products-grid { grid-template-columns: 1fr; }

  /* Campaign */
  .campaign-grid { grid-template-columns: 1fr; }
  .campaign-card { min-height: 360px; }

  /* Promise */
  .promise-grid { grid-template-columns: 1fr; }

  /* News */
  .news-grid { grid-template-columns: 1fr; }

  /* Accordion */
  .accordion-header { padding: var(--space-5) var(--space-6); }
  .accordion-body p { padding: var(--space-4) var(--space-6); }
  .accordion-link { padding: 0 var(--space-6) var(--space-4); }

  /* Community */
  .community-cta { min-height: 400px; }

  /* Footer */
  .footer-top-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-brand { grid-column: auto; }

  .footer-bottom-inner { gap: var(--space-3); }
}

/* -----------------------------------------------
   19. RESPONSIVE — SMALL MOBILE (max 480px)
----------------------------------------------- */
@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .section-title { font-size: var(--fs-3xl); }

  .slider-btn {
    width: 40px;
    height: 40px;
  }

  .campaign-card-content {
    padding: var(--space-6);
  }

  .campaign-title { font-size: var(--fs-2xl); }
}

/* -----------------------------------------------
   20. ACCESSIBILITY
----------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}