/* ===== CSS Variables ===== */
:root {
    --color-bg: #F5F1E8;
    --color-text: #3A3A3A;
    --color-dark: #2C2C2C;
    --color-accent: #D4A574;
    --color-green: #6B7B5F;
    --color-white: #FFFFFF;
    --color-gray: #8B8680;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-weight: 300;
}

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

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

/* ===== Utilities ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(245, 241, 232, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo__text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text);
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.burger span {
    width: 25px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.hero__texture {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.hero__subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: var(--spacing-md);
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat__label {
    font-size: 0.85rem;
    color: var(--color-gray);
}

.hero__image {
    position: relative;
    height: 500px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.hero__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-style: italic;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

.btn--secondary {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn--secondary:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

/* ===== Catalog ===== */
.catalog {
    padding: var(--spacing-xl) 0;
}

.filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    background: transparent;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-text);
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.product-card__image {
    height: 250px;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
}

.product-card__content {
    padding: var(--spacing-md);
}

.product-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.product-card__specs {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.product-card__status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.status-in-stock {
    background: #E8F5E9;
    color: #2E7D32;
}

.status-made-to-order {
    background: #FFF3E0;
    color: #E65100;
}

.product-card__price {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.product-card__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-card__btn {
    padding: 10px;
    text-align: center;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.product-card__btn--tg {
    background: #0088cc;
    color: white;
}

.product-card__btn--tg:hover {
    background: #0099dd;
}

.product-card__btn--avito {
    background: #95CF4E;
    color: white;
}

.product-card__btn--avito:hover {
    background: #8bc34a;
}

/* ===== Process ===== */
.process {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.process-step__number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.5;
    margin-bottom: var(--spacing-sm);
}

.process-step__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.process-step__text {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ===== About ===== */
.about {
    padding: var(--spacing-xl) 0;
}

.about__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about__image {
    height: 450px;
    background: var(--color-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-style: italic;
}

.about__text {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.8;
}

.about__socials {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-link {
    padding: 10px 20px;
    border: 2px solid var(--color-dark);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

/* ===== Contacts ===== */
.contacts {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-card:hover {
    background: var(--color-dark);
    color: var(--color-white);
    transform: translateY(-3px);
}

.contact-card__icon {
    font-size: 2.5rem;
}

.contact-card__text {
    font-weight: 500;
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-md) 0;
    background: var(--color-dark);
    color: var(--color-white);
}

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

.footer__text {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.footer__socials a {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer__socials a:hover {
    opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .burger {
        display: flex;
    }
    
    .hero__container,
    .about__container {
        grid-template-columns: 1fr;
    }
    
    .hero__image,
    .about__image {
        height: 350px;
        order: -1;
    }
    
    .hero__stats {
        gap: var(--spacing-md);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}