/* ========================================
   Katana Auto — Modern Design System
   ======================================== */

:root {
    /* Colors — Deep navy + warm amber */
    --color-bg: #0c1222;
    --color-bg-card: #151d33;
    --color-bg-elevated: #1a2442;
    --color-surface: #0f172a;
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-accent: #f59e0b;
    --color-accent-hover: #fbbf24;
    --color-accent-soft: rgba(245, 158, 11, 0.15);
    --color-border: rgba(148, 163, 184, 0.15);
    
    /* Typography */
    --font-heading: 'Unbounded', sans-serif;
    --font-body: 'Manrope', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Header
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(12, 18, 34, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 170px;
}

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

.header__company-img {
    height: 168px;
    width: auto;
    max-width: 840px;
    object-fit: contain;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

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

.logo__accent {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .header__inner {
        min-height: 130px;
    }
    .header__company-img {
        height: 132px;
    }
    .logo {
        font-size: 1.25rem;
    }
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav__link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 700;
    transition: color var(--duration) var(--ease);
}

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

.header__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-accent);
    font-weight: 700;
    text-decoration: none;
    transition: color var(--duration) var(--ease);
}

.header__phone-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
}

@media (max-width: 768px) {
    .nav__list {
        position: fixed;
        top: 170px;
        left: 0;
        right: 0;
        background: var(--color-bg-card);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--duration) var(--ease);
    }

    .nav__list.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav__toggle {
        display: flex;
    }

    .header__phone {
        font-size: 0.9rem;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--duration) var(--ease);
    cursor: pointer;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* ========================================
   Hero
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(170px + var(--space-3xl)) var(--space-lg) var(--space-4xl);
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(to right, rgba(12, 18, 34, 0.85) 0%, rgba(12, 18, 34, 0.5) 70%, transparent 100%),
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-soft), transparent),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(59, 130, 246, 0.08), transparent),
        var(--color-bg);
}

.hero__inner {
    position: relative;
    z-index: 1;
}

.hero__label {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    animation: fadeUp 0.6s var(--ease) forwards;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    max-width: 700px;
    animation: fadeUp 0.6s var(--ease) 0.1s backwards;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    animation: fadeUp 0.6s var(--ease) 0.2s backwards;
}

.hero__features {
    list-style: none;
    margin-bottom: var(--space-2xl);
    animation: fadeUp 0.6s var(--ease) 0.3s backwards;
}

.hero__features li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.hero__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.hero .btn {
    animation: fadeUp 0.6s var(--ease) 0.4s backwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Section titles
   ======================================== */

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-2xl);
}

.section-title--center {
    text-align: center;
}

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

/* ========================================
   Auto section
   ======================================== */

.auto-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-card);
}

.auto-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.auto-section__dealer {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.auto-section__list {
    list-style: none;
}

.auto-section__list li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.auto-section__list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.auto-section__cards {
    display: flex;
    gap: var(--space-lg);
    justify-content: flex-end;
}

.card-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--duration) var(--ease);
}

.card-link:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    transform: translateY(-4px);
}

.card-link__img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: var(--space-sm);
}

.card-link__placeholder {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.card-link__text {
    font-weight: 600;
}

.wheel-showcase {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.wheel-showcase__item {
    width: 120px;
    height: 120px;
}

.wheel-showcase__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .auto-section__inner {
        grid-template-columns: 1fr;
    }

    .auto-section__cards {
        justify-content: center;
    }
}

/* ========================================
   Why us
   ======================================== */

.why-us {
    padding: var(--space-4xl) 0;
}

.why-us__years {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

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

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.stat__label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.benefit-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--duration) var(--ease);
}

.benefit-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.benefit-card__icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.benefit-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
}

.benefit-card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

@media (max-width: 992px) {
    .stats,
    .benefits {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Reviews
   ======================================== */

.reviews {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-card);
}

.reviews__slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.review-card {
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.review-card__stars {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.review-card__text {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.review-card__author {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .reviews__slider {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Catalog
   ======================================== */

.catalog {
    position: relative;
    padding: var(--space-4xl) 0;
}

.catalog__filters {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-select {
    padding: 12px 20px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.catalog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--duration) var(--ease);
}

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

.product-card__image {
    width: 100%;
    height: 180px;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

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

.product-card__category {
    font-size: 0.75rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.product-card__title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.product-card__brand {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.anchor {
    position: absolute;
    top: -100px;
}

.catalog__empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--space-3xl);
}

.catalog__drom {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--space-xl);
}

/* ========================================
   News
   ======================================== */

.news {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-card);
}

.news__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.news-card {
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--duration) var(--ease);
}

.news-card:hover {
    border-color: var(--color-accent);
}

.news-card__date {
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.news-card__title {
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.news-card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .news__grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Contacts
   ======================================== */

.contacts {
    padding: var(--space-4xl) 0;
}

.contacts__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contacts__address {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.contacts__item {
    margin-bottom: var(--space-md);
}

.contacts__label {
    color: var(--color-text-muted);
    margin-right: var(--space-sm);
}

.contacts__item a {
    color: var(--color-accent);
    text-decoration: none;
}

.contacts__item a:hover {
    text-decoration: underline;
}

.contacts__phone {
    font-weight: 600;
    font-size: 1.25rem;
}

.contacts__note {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: var(--space-lg);
}

.map-placeholder {
    padding: var(--space-2xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
}

.map-link {
    display: inline-block;
    margin-top: var(--space-md);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
}

.map-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .contacts__content {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: var(--space-md) 0;
    border-top: 1px solid var(--color-border);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    justify-content: space-between;
}

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

.footer__phone {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}

.footer__privacy {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.footer__admin {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: auto;
}

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