/* ===== CSS Переменные ===== */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent: #ff6b00;
    --accent-hover: #e65c00;
    --accent-glow: rgba(255, 107, 0, 0.3);
    --radius: 16px;
    --shadow: 0 8px 24px rgba(0,0,0,0.5);
    --transition: 0.3s ease;
}

/* ===== Сброс и база ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Кнопки ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 14px var(--accent-glow);
    text-align: center;
}
.btn:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
    box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    box-shadow: none;
}
.btn-outline:hover {
    background: var(--accent);
    color: #fff;
}
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

/* ===== Навигация ===== */
header {
    background: var(--bg-secondary);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}
.logo span { color: var(--accent); }
.logo i { font-size: 2rem; color: var(--accent); }
.nav-links {
    display: flex;
    gap: 18px;
    list-style: none;
    font-weight: 600;
    font-size: 0.95rem;
    flex-wrap: wrap;
}
.nav-links a {
    color: var(--text-secondary);
    transition: var(--transition);
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}
.nav-links a:hover {
    color: #fff;
    border-bottom-color: var(--accent);
}
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px 8px;
}

/* ===== Hero (для главной) ===== */
.hero {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,107,0,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}
.hero-text h1 span { color: var(--accent); }
.hero-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 500px;
}
.hero-badge {
    display: inline-block;
    background: rgba(255,107,0,0.2);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255,107,0,0.3);
}
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-image img {
    max-width: 100%;
    filter: drop-shadow(0 12px 40px rgba(255,107,0,0.3));
    border-radius: var(--radius);
}
/* ===== HERO BANNER ОБНОВЛЕННЫЙ ===== */
.hero-banner {
    position: relative;
    padding: 80px 0 60px;
    background: radial-gradient(circle at 80% 20%, #29231f 0%, var(--bg-primary) 65%);
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Декоративные световые пятна (Glow эффекты) */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}
.hero-glow-1 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.22) 0%, transparent 70%);
    top: -100px;
    right: 5%;
}
.hero-glow-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.1) 0%, transparent 70%);
    bottom: -50px;
    left: 0;
}

.hero-banner-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Контент левой стороны */
.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.12);
    border: 1px solid rgba(255, 107, 0, 0.35);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 12px var(--accent); }
    100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}
.hero-title span {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.btn-hero {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* Мини-триггеры под кнопками */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}
.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 107, 0, 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.stat-item strong {
    display: block;
    font-size: 0.9rem;
    color: #fff;
    line-height: 1.2;
}
.stat-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Правая сторона: Карточка с товаром и плавающими элементами */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-card {
    position: relative;
    background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 440px;
}

.hero-img-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
}
.hero-img-wrapper img {
    max-height: 320px;
    object-fit: contain;
    filter: drop-shadow(0 15px 35px rgba(255, 107, 0, 0.25));
    transition: transform 0.4s ease;
}
.hero-card:hover .hero-img-wrapper img {
    transform: translateY(-8px) scale(1.02);
}

/* Плавающие бейджи */
.floating-badge {
    position: absolute;
    background: rgba(30, 30, 30, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    z-index: 2;
}
.top-badge {
    top: 20px;
    left: -20px;
}
.top-badge i {
    color: #00e676; /* Зеленый щит доверия */
    font-size: 1.4rem;
}
.top-badge span {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: block;
}
.top-badge strong {
    font-size: 0.85rem;
    color: #fff;
    display: block;
}

.bottom-badge {
    bottom: 60px;
    right: -20px;
    gap: 14px;
    border-color: rgba(255, 107, 0, 0.4);
}
.badge-price span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
}
.badge-price strong {
    font-size: 1.15rem;
    color: var(--accent);
    display: block;
    line-height: 1.1;
}
.badge-link {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--transition);
}
.badge-link:hover {
    background: var(--accent-hover);
    transform: translateX(3px);
}

/* Быстрый выбор литража внутри баннера */
.hero-quick-select {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.quick-tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
}
.quick-tag:hover, .quick-tag.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ===== Адаптивность для Hero ===== */
@media (max-width: 992px) {
    .hero-banner { padding: 50px 0 40px; }
    .hero-banner-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-desc { margin: 0 auto 28px; }
    .hero-actions { justify-content: center; }
    .hero-stats {
        justify-content: center;
        max-width: 500px;
        margin: 0 auto;
    }
    .hero-visual { margin-top: 20px; }
    .top-badge { left: 10px; }
    .bottom-badge { right: 10px; }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2.1rem; }
    .hero-desc { font-size: 1rem; }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 12px;
        text-align: left;
    }
    .hero-actions { flex-direction: column; }
    .btn-hero, .hero-actions .btn { width: 100%; }
    .top-badge, .bottom-badge { position: static; margin-bottom: 12px; }
    .hero-card { padding: 20px; }
}
/* ===== Преимущества (блок) ===== */
.advantages {
    padding: 60px 0;
    background: var(--bg-secondary);
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}
.adv-item {
    background: var(--bg-card);
    padding: 30px 20px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
}
.adv-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
.adv-item i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 12px;
}
.adv-item h3 { font-size: 1.2rem; margin-bottom: 6px; }
.adv-item p { color: var(--text-secondary); font-size: 0.95rem; }

/* ===== Общие заголовки ===== */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.section-subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* ===== Каталог (сетка товаров) ===== */
.catalog { padding: 60px 0; }
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
}
.product-card img {
    border-radius: 12px;
    background: #222;
    object-fit: cover;
    width: 100%;
    height: 330px;
    margin-bottom: 16px;
}
.product-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.product-card .badge {
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 8px;
    font-weight: 700;
    text-transform: uppercase;
}
.price-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin: 12px 0 16px;
    font-size: 0.95rem;
}
.price-row .exchange { color: var(--text-secondary); }
.price-row .sale { color: var(--accent); font-weight: 700; }
.product-card .btn { width: 100%; margin-top: auto; }

/* Дополнительные товары */
.extra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.extra-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.extra-item img {
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    width: 100%;
}
.extra-item h4 { margin: 12px 0 4px; }
.extra-item .price { font-weight: 700; color: var(--accent); margin-bottom: 12px; }

/* ===== Доставка ===== */
.delivery {
    padding: 60px 0;
    background: var(--bg-secondary);
}
.delivery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.delivery ul {
    list-style: none;
    margin-top: 16px;
}
.delivery ul li {
    padding: 8px 0;
    display: flex;
    gap: 12px;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.delivery ul li i {
    color: var(--accent);
    width: 24px;
    font-size: 1.2rem;
}
.delivery-image img {
    border-radius: var(--radius);
    width: 100%;
    object-fit: cover;
    height: 300px;
    background: #222;
}

/* ===== Как заказать (шаги) ===== */
.steps { padding: 60px 0; }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 30px;
}
.step-item {
    background: var(--bg-card);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    border-left: 4px solid var(--accent);
}
.step-item .step-num {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.2rem;
    margin-bottom: 12px;
}
.step-item h3 { margin-bottom: 6px; }
.step-item p { color: var(--text-secondary); font-size: 0.95rem; }

/* ===== FAQ ===== */
.faq {
    padding: 60px 0;
    background: var(--bg-secondary);
}
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.faq-question:hover { background: rgba(255,107,0,0.05); }
.faq-question i {
    color: var(--accent);
    transition: var(--transition);
}
.faq-question.active i { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 24px;
    color: var(--text-secondary);
}
.faq-answer.open {
    max-height: 200px;
    padding: 0 24px 20px;
}

/* ===== SEO блок (для текстов) ===== */
.seo {
    padding: 60px 0;
}
.seo-text {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
    max-width: 900px;
    margin: 0 auto;
}
.seo-text p { margin-bottom: 16px; }

/* ===== Список статей ===== */
.articles-list {
    max-width: 900px;
    margin: 0 auto;
}
.articles-list article {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    border-left: 4px solid var(--accent);
}
.articles-list article h2 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}
.articles-list article h2 a {
    color: #fff;
    transition: var(--transition);
}
.articles-list article h2 a:hover { color: var(--accent); }
.articles-list article p {
    color: var(--text-secondary);
}

/* ===== Детальная страница товара ===== */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.product-detail .gallery img {
    border-radius: var(--radius);
    width: 100%;
    background: #222;
}
.product-detail .info h1 {
    font-size: 2.4rem;
    margin-bottom: 8px;
}
.product-detail .info .price-row {
    font-size: 1.2rem;
    margin-bottom: 20px;
}
.product-detail .info .description {
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.product-detail .info .btn {
    margin-bottom: 20px;
}
.product-detail .info .specs {
    list-style: none;
    margin-top: 16px;
}
.product-detail .info .specs li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    gap: 12px;
}
.product-detail .info .specs li strong {
    color: #fff;
    min-width: 100px;
}

/* ===== Подвал ===== */
footer {
    background: var(--bg-secondary);
    padding: 40px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}
.footer-grid h4 { color: #fff; margin-bottom: 12px; }
.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid ul li a {
    color: var(--text-secondary);
    transition: var(--transition);
}
.footer-grid ul li a:hover { color: var(--accent); }
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.social-links {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}
.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: var(--transition);
}
.social-links a:hover { color: var(--accent); }

/* ===== Адаптивность ===== */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .delivery-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--bg-secondary);
        padding: 20px 0;
        gap: 12px;
        align-items: center;
        border-top: 1px solid rgba(255,255,255,0.05);
        margin-top: 12px;
    }
    .nav-links.open { display: flex; }
    .hero-text h1 { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .extra-grid { grid-template-columns: repeat(2, 1fr); }
    .product-detail .info h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-text h1 { font-size: 1.8rem; }
    .hero-text p { font-size: 1rem; }
    .btn { width: 100%; justify-content: center; padding: 12px 20px; font-size: 0.95rem; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .catalog-grid { grid-template-columns: 1fr; gap: 20px; }
    .extra-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: 20px; }
    .advantages-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .adv-item { padding: 20px 12px; }
    .adv-item i { font-size: 2rem; }
    .adv-item h3 { font-size: 1rem; }
    .delivery-image img { height: 200px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .social-links { justify-content: center; }
    .section-title { font-size: 1.6rem; }
    .faq-question { font-size: 1rem; padding: 16px 18px; }
    .product-detail .info h1 { font-size: 1.6rem; }
}
@media (max-width: 360px) {
    .logo { font-size: 1.4rem; }
    .hero-text h1 { font-size: 1.5rem; }
    .hero-badge { font-size: 0.75rem; padding: 4px 14px; }
    .product-card img { height: 150px; }
    .extra-item img { height: 100px; }
    .price-row { font-size: 0.85rem; gap: 8px; }
    .btn-sm { padding: 8px 16px; font-size: 0.8rem; }
}