/* ============================================================
   Menicon Life Support Hub — Design System & Global Styles
   文艺高端 × 科技感交互
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --color-bg:          #0a0a0f;
  --color-bg-elevated: #12121a;
  --color-bg-card:     rgba(255, 255, 255, 0.04);
  --color-surface:     rgba(255, 255, 255, 0.06);
  --color-border:      rgba(255, 255, 255, 0.08);
  --color-text:        #e8e6e3;
  --color-text-dim:    #8a8a95;
  --color-text-muted:  #5a5a65;
  --color-accent:      #d4a853;
  --color-accent-glow: rgba(212, 168, 83, 0.35);
  --color-accent-soft: rgba(212, 168, 83, 0.12);
  --color-success:     #4ecdc4;
  --color-warning:     #f7b731;
  --color-danger:      #fc5c65;
  --color-glass:       rgba(18, 18, 26, 0.72);
  --color-glass-border:rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-en:   'Outfit', sans-serif;
  --font-cn:   'Noto Sans SC', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.2);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.3);
  --shadow-lg:  0 16px 64px rgba(0,0,0,0.4);
  --shadow-glow:0 0 40px var(--color-accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);

  /* Navbar */
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-cn);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

ul, ol { list-style: none; }

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

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

input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
}

/* ---------- Canvas Background ---------- */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.navbar.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 1px 0 var(--color-glass-border), var(--shadow-sm);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.navbar__brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #e8c97a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-bg);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  font-family: var(--font-cn);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-dim);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
  letter-spacing: 1px;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-text);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), #e8c97a);
  color: var(--color-bg);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--color-accent-glow);
}

.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

.btn--sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

.btn--lg {
  padding: 0.8rem 2.2rem;
  font-size: 1rem;
}

/* Ripple effect */
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0);
  animation: ripple-anim 0.6s linear;
}

@keyframes ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 1px solid rgba(212, 168, 83, 0.2);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.8s var(--ease-out) both;
}

.hero__badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s infinite;
}

.hero__title {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero__title .accent {
  background: linear-gradient(135deg, var(--color-accent), #f0d48a, var(--color-accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-text-dim);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  font-weight: 300;
  line-height: 1.8;
  animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: fadeIn 1s var(--ease-out) 1s both;
}

.hero__scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  animation: scrollPulse 2s infinite;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-xl);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.section__desc {
  font-size: 1rem;
  color: var(--color-text-dim);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---------- Module Cards ---------- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.module-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--color-accent-soft), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 83, 0.3);
  box-shadow: var(--shadow-glow);
}

.module-card:hover::before {
  opacity: 1;
}

.module-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.module-card:hover .module-card__icon {
  background: linear-gradient(135deg, var(--color-accent), #e8c97a);
  transform: scale(1.05);
}

.module-card__title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.module-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.module-card__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}

.module-card__status--open {
  background: rgba(78, 205, 196, 0.12);
  color: var(--color-success);
}

.module-card__status--locked {
  background: rgba(138, 138, 149, 0.12);
  color: var(--color-text-muted);
}

.module-card__status--dev {
  background: rgba(247, 183, 49, 0.12);
  color: var(--color-warning);
}

.module-card__arrow {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.module-card:hover .module-card__arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ---------- Catalog Section ---------- */
.catalog {
  max-width: 1200px;
  margin: 0 auto;
}

.catalog__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.catalog__filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.catalog__search {
  position: relative;
  min-width: 260px;
}

.catalog__search input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.6rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.catalog__search input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.catalog__search input::placeholder {
  color: var(--color-text-muted);
}

.catalog__search .search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 168, 83, 0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.product-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
  position: relative;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card__body {
  padding: var(--space-lg);
}

.product-card__tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.tag--promo   { background: rgba(212,168,83,0.15);  color: var(--color-accent); }
.tag--market  { background: rgba(78,205,196,0.12);  color: var(--color-success); }
.tag--access  { background: rgba(148,130,200,0.15); color: #9482c8; }
.tag--other   { background: rgba(138,138,149,0.12); color: var(--color-text-dim); }

.product-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.product-card__stock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-card__stock .stock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.stock-dot--available { background: var(--color-success); }
.stock-dot--low       { background: var(--color-warning); }
.stock-dot--out       { background: var(--color-danger); }

/* ---------- Product Detail Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 860px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  transform: translateY(24px) scale(0.96);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal__img {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  min-height: 320px;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.modal__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

/* Modal Image Carousel Navigation */
.modal-img-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 5;
  opacity: 0;
}

.modal__img:hover .modal-img-nav {
  opacity: 1;
}

.modal-img-nav:hover {
  background: rgba(212, 168, 83, 0.7);
  border-color: var(--color-accent);
}

.modal-img-nav--prev { left: 12px; }
.modal-img-nav--next { right: 12px; }

.modal-img-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}

.modal-img-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-img-dot.active {
  background: var(--color-accent);
  transform: scale(1.3);
}

.modal__info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  z-index: 10;
}

.modal__close:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
}

.modal__sku {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.modal__detail-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.modal__detail-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.modal__detail-card p {
  font-size: 0.88rem;
  color: var(--color-text-dim);
  line-height: 1.7;
}

/* ---------- Login Modal ---------- */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.login-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.login-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 440px;
  width: 100%;
  padding: var(--space-2xl);
  position: relative;
  transform: translateY(24px) scale(0.96);
  transition: transform var(--transition-base);
}

.login-overlay.open .login-card {
  transform: translateY(0) scale(1);
}

.login-card__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.login-card__header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.login-card__header p {
  font-size: 0.88rem;
  color: var(--color-text-dim);
}

.login-card__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

.form-group input {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.login-card__submit {
  margin-top: var(--space-sm);
}

.login-card__permissions {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.login-card__permissions h4 {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.permission-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.permission-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.permission-item .perm-icon {
  font-size: 0.9rem;
}

/* ---------- About Section ---------- */
.about-content {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about-text p {
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.9;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.stat-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
  transform: translateY(-2px);
}

.stat-card__num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent), #e8c97a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

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

.about-graphic {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-surface));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-graphic::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--color-accent-soft), transparent, var(--color-accent-soft), transparent);
  animation: rotate 8s linear infinite;
}

.about-graphic__inner {
  position: relative;
  z-index: 1;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  background: var(--color-bg-elevated);
  border-radius: calc(var(--radius-xl) - 2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: 3rem;
}

.about-graphic__inner span {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__brand-name {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.footer__brand-desc {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.7;
  max-width: 300px;
}

.footer__col h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: 1px;
}

.footer__col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__socials a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.footer__socials a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Keyframes ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes shimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ---------- Mobile Menu ---------- */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.navbar__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-visual {
    order: -1;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .modal {
    grid-template-columns: 1fr;
  }
  .modal__img {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    min-height: 200px;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .navbar__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .navbar__toggle {
    display: flex;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .catalog__toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .catalog__search {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 1.5rem;
    --space-2xl: 2.5rem;
    --space-3xl: 3.5rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}