/*
Theme Name: Mumiot
Theme URI: https://mumiot.com
Description: Mumiot 智能家居商城主题 - 深色科技极简风格，深度集成 WooCommerce
Version: 1.0.0
Author: Mumiot Team
Text Domain: mumiot
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: e-commerce, woocommerce, dark-theme, smart-home, one-column, two-columns, custom-colors, custom-menu, featured-images, footer-widgets, full-width-template, translation-ready
*/

/* =========================================
   CSS Variables
   ========================================= */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --bg-light: #f5f5f7;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #4facfe;
  --accent-dark: #00f2fe;
  --accent-glow: rgba(79, 172, 254, 0.15);
  --border: #2a2a2a;
  --border-light: #333333;
  --success: #00c853;
  --warning: #ffc107;
  --danger: #ff5252;
  --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-en: 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(79, 172, 254, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* =========================================
   Container
   ========================================= */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide {
  max-width: 1440px;
}

/* =========================================
   Header
   ========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-logo svg {
  width: 36px;
  height: 36px;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent);
}

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

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: var(--transition);
}

.icon-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.cart-btn {
  position: relative;
}

.cart-count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

/* Mobile Nav */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 24px;
    background: var(--bg-primary);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .main-nav.active {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 16px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
  }

  .menu-toggle {
    display: flex;
  }

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

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

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

/* =========================================
   Hero Section
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(79, 172, 254, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(0, 242, 254, 0.05) 0%, transparent 50%);
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(79, 172, 254, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 172, 254, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin-bottom: 32px;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(79, 172, 254, 0.2);
  border-radius: 50px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #00a8ff);
  box-shadow: 0 4px 20px rgba(79, 172, 254, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 172, 254, 0.4);
  color: #fff;
}

.btn--outline {
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-light);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

.hero-scroll svg {
  width: 24px;
  height: 24px;
}

/* =========================================
   Sections Common
   ========================================= */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 16px;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-glow);
  border-radius: 50px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* =========================================
   Products Section
   ========================================= */
.products-section {
  background: var(--bg-secondary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 10px;
  font-size: 0.75rem;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
}

.product-info {
  padding: 24px;
}

.product-category {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-name {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.product-price .currency {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.product-link:hover {
  background: var(--accent);
  color: #fff;
}

.product-link svg {
  width: 16px;
  height: 16px;
}

/* =========================================
   Features Section
   ========================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--accent);
}

.feature-title {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =========================================
   Ecosystem Section
   ========================================= */
.ecosystem-section {
  background: var(--bg-secondary);
  text-align: center;
}

.platform-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  margin-top: 48px;
}

.platform-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 32px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
  min-width: 140px;
}

.platform-logo:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.platform-logo svg {
  width: 48px;
  height: 48px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.platform-logo:hover svg {
  color: var(--accent);
}

.platform-name {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* =========================================
   CTA Section
   ========================================= */
.cta-section {
  position: relative;
  padding: 120px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(79, 172, 254, 0.05) 0%, rgba(0, 242, 254, 0.05) 100%);
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(79, 172, 254, 0.1) 0%, transparent 60%);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-desc {
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.social-link svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

.social-link:hover svg {
  color: var(--accent);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* =========================================
   WooCommerce Overrides
   ========================================= */
.woocommerce-page .site-content {
  padding-top: 120px;
  min-height: 100vh;
}

.woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.woocommerce ul.products li.product {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 0;
  margin: 0;
  text-align: left;
  transition: var(--transition);
}

.woocommerce ul.products li.product:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.woocommerce ul.products li.product a img {
  margin: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.woocommerce ul.products li.product .woocommerce-loop-product__title {
  padding: 20px 20px 8px;
  font-size: 1rem;
  color: var(--text-primary);
}

.woocommerce ul.products li.product .price {
  padding: 0 20px 16px;
  color: var(--accent);
  font-size: 1.1rem;
}

.woocommerce ul.products li.product .price del {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.woocommerce ul.products li.product .price ins {
  text-decoration: none;
  font-weight: 600;
}

.woocommerce ul.products li.product a.button {
  margin: 0 20px 20px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.woocommerce ul.products li.product a.button:hover {
  background: var(--accent-dark);
}

/* Single Product */
.woocommerce div.product div.images {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.woocommerce div.product .product_title {
  font-size: 2rem;
  color: var(--text-primary);
}

.woocommerce div.product p.price {
  color: var(--accent);
  font-size: 1.5rem;
}

.woocommerce div.product .woocommerce-product-details__short-description {
  color: var(--text-secondary);
}

.woocommerce div.product form.cart .button {
  background: linear-gradient(135deg, var(--accent), #00a8ff);
  color: #fff;
  padding: 16px 40px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
}

.woocommerce div.product form.cart .button:hover {
  box-shadow: 0 4px 20px rgba(79, 172, 254, 0.4);
  transform: translateY(-2px);
}

/* Cart */
.woocommerce-cart-form {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.woocommerce table.shop_table {
  border: none;
  color: var(--text-primary);
}

.woocommerce table.shop_table th,
.woocommerce table.shop_table td {
  border-color: var(--border);
  padding: 16px;
}

.woocommerce table.shop_table .product-name a {
  color: var(--text-primary);
}

/* Buttons */
.woocommerce a.button,
.woocommerce button.button,
.woocommerce input.button {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.woocommerce a.button:hover,
.woocommerce button.button:hover,
.woocommerce input.button:hover {
  background: var(--accent-dark);
  color: #fff;
}

/* Notices */
.woocommerce-message,
.woocommerce-info,
.woocommerce-error {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.woocommerce-message::before {
  color: var(--accent);
}

/* =========================================
   Utility Classes
   ========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.hidden { display: none; }
.visible { display: block; }

/* =========================================
   Page Transitions
   ========================================= */
.site-content {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   Scrollbar
   ========================================= */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}