/* ----------  LIGHT THEME (default) ---------- */
:root {
  --bg: #ffffff;
  --text: #212121;
  --green: #008000;
  --light-bg: #f5f5f5;
  --primary-color: #2e7d32;
  --accent-color: #ff6f00;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,.08);
  --transition: all .25s ease;
  --footer-title: #ffffff;
  --footer-desc: #ccc;
  --city-dropdown: rgb(255, 255, 255, 0.7);
}

/* ----------  DARK THEME ---------- */
body.dark {
  --bg: #121212;
  --text: #e0e0e0;
  --green: #005100;
  --light-bg: #1e1e1e;
  --primary-color: #4caf50;
  --accent-color: #ff9800;
  --border-color: #333333;
  --shadow: 0 4px 12px rgba(0,0,0,.4);
  --footer-title: #dadada;
  --city-dropdown: rgb(25, 25, 25, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* --- sticky-bar --- */
.sticky-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform .3s ease;
}

body.dark .sticky-bar {
  background: rgb(18, 18, 18, 0.75);
  backdrop-filter: blur(10px);
}

.sticky-bar.show {
  transform: translateY(0);
}

.sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 15px;
}

.sticky-logo {
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 18px;
}

.sticky-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.sticky-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
}

.sticky-links .theme-toggle {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text);
}

/* Header Sections */
.header-top {
    background: var(--white);
    padding: 10px 0;
    box-shadow: var(--shadow);
}

.icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
    display: flex;
    align-items: center;
    justify-content: space-between;
    vertical-align: middle;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.location-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.location-selector:hover .city-dropdown {
    display: block;
}

.city-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--city-dropdown);
    backdrop-filter: blur(2px);
    box-shadow: var(--shadow);
    border-radius: 5px;
    z-index: 100;
    min-width: 150px;
}

.city-dropdown a {
    display: block;
    padding: 8px 15px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.city-dropdown a:hover {
    background: var(--light-bg);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    position: relative;
}

.contact-item icon {
    justify-content: center;
    align-items: center;
}

.tooltip {
    position: absolute;
    bottom: -125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.contact-item:hover .tooltip {
    opacity: 1;
}

/* Theme */
.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    padding: 4px;
    transition: transform 0.2s;
}
.theme-toggle:hover {
    transform: scale(1.15);
}
.theme-toggle i {
    pointer-events: none;
}

/* Header Main */
.header-main {
    background: var(--white);
    padding: 20px 0;
    box-shadow: var(--shadow);
    margin-top: 1px;
}

.header-main-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    line-height: 1.1;
    color: green;
}

.search-container {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.2);
}

.search-icon {
  position: absolute;
  right: 12px;               /* отступ от правого края поля */
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  fill: currentColor;
  pointer-events: none;      /* клик проходит в input */
}

.user-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.action-icon {
    position: relative;
    cursor: pointer;
    transition: var(--green);
    align-items: center;
}

.action-icon:hover {
    color: var(--green);
}

.badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--green);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* Navigation */
.nav-section {
    background: var(--green);
    padding: 10px 0;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    list-style: none;
}

.nav-item {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 5px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 40px 0;
    background: var(--light-bg);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.hero-block {
    position: relative;
    background: var(--white);
    border-radius: 10px;
    max-height: 200px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.hero-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.hero-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-block h3 {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 10px;
    background: rgba(0,0,0,.45);
    color: #fff;
    font-size: 16px;
    text-align: center;
    backdrop-filter: blur(4px);
}

.slideshow-container {
    position: relative;
    height: 420px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bottom-blocks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Advantages */
.advantages {
    padding: 60px 0;
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    transition: var(--transition);
    cursor: pointer;
}

.advantage-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
    background: var(--light-bg);
}

.advantage-card svg {
    width: 80px;
    height: 80px;
    color: var(--green);
    margin-bottom: 15px;
    align-items: center;
}

.advantage-description {
    opacity: 0;
    transition: var(--transition);
    margin-top: 10px;
}

.advantage-card:hover .advantage-description {
    opacity: 1;
}

/* Products */
.products-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    color: var(--text-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 5px;
    flex-direction: column;
}

.badge-sale, .badge-best {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: white;
}

.badge-sale {
    background: rgba(178, 178, 0, 0.7);
    backdrop-filter: blur(1px);
}

.badge-best {
    background: rgba(0, 143, 90, 0.7);
    backdrop-filter: blur(1px);
}

.product-actions {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: var(--transition);
}

.product-actions .action-btn {
    color: var(--primary-color);   /* visible on any background */
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(1px);
}

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

.action-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.product-description {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #888;
    margin-bottom: 15px;
}

.price-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.current-price {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.old-price {
    font-size: 16px;
    text-decoration: line-through;
    color: #888;
}

.discount-info {
    font-size: 12px;
    color: var(--accent-color);
}

/* Tabs */
.tabs-section {
    padding: 60px 0;
    background: var(--white);
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: var(--light-bg);
    color: #888888;
    cursor: pointer;
    border-radius: 25px;
    transition: var(--transition);
}

.tab-btn:hover {
    background-color: green;
    box-shadow: 0 0 0 5px rgb(149, 255, 149);
    color: #fff;
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* Brands */
.brands-list{
  display:flex;
  gap:40px;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
}

.brands {
  width:120px;
  height:auto;
  filter:grayscale(100%) contrast(0.8);
  transition:transform .3s, filter .3s;
  cursor:pointer;
}

.brands:hover{
  transform:scale(1.1);
  filter:grayscale(0%) contrast(1);
}

/* About */
.about-section {
    padding: 60px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.about-text {
    color: var(--text-color);
    line-height: 1.8;
}

/* Reviews */
.reviews-section {
    padding: 60px 0;
    background: var(--light-bg);
}

.reviews-container {
  position: relative;
  overflow: hidden;
}

.reviews-slider {
  display: flex;
  transition: transform .35s ease;
}

.review-card {
  flex: 0 0 300px;
  margin-right: 20px;
}

.review-author {
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.rev-sec-link {
    display: flex;
    justify-content: center;
    margin: 30px;
}

.rev-sec-link button {
  background: var(--light-bg);
  color: green;
  border: none;
  cursor: pointer;
  border-radius: 25px;
  width: 100px;
  height: 45px;
  transition: 0.3s;
}

.rev-sec-link button:hover {
  background-color: green;
  box-shadow: 0 0 0 5px rgb(149, 255, 149);
  color: #fff;
}

/* Footer */
.footer {
    background: var(--green);
    color: var(--footer-title);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--footer-title);
}

.footer-logo p {
    color: var(--footer-desc);
}

.footer-links h4 {
    margin-bottom: 15px;
    color: var(--footer-title);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-links a {
    color: var(--footer-desc);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: rgb(128, 128, 128);
}

.social-links {
    display: flex;
    color: var(--footer-desc);
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    color: var(--footer-desc);
    font-size: 20px;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #888;
}

.footer-icon {
    width: 18px;
    height: 18px;
    color: white;
}

#backToTop {
  position: fixed;
  justify-content: center;
  align-items: center;
  right: 30px;
  bottom: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 22px;
  opacity: 0;
  visibility: hidden;
  transition: .3s;
  z-index: 999;
}
#backToTop.show {
  opacity: 1;
  visibility: visible;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .slideshow-container {
        order: -1;
        height: 300px;
    }

    .bottom-blocks {
        grid-template-columns: 1fr;
    }

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

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

    .header-top-content,
    .header-main-content {
        flex-direction: column;
        text-align: center;
    }

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

    .product-actions {
        opacity: 0;
    }
    
    .product-card:hover .product-actions { 
        opacity: 1; 
    }

    .brands-list {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .section-title {
        font-size: 24px;
    }
}