/* ===================================
   COMPONENT STYLES
   Navigation, Cards, Sections
   =================================== */

/* ===================================
   NAVBAR
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 14, 20, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text-primary);
}

.logo:hover {
    color: var(--color-text-primary);
}

.logo-text {
    display: inline-block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    z-index: var(--z-dropdown);
}

.mobile-menu.active {
    max-height: 300px;
}

.mobile-menu-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu-link {
    padding: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--spacing-3xl) + 70px) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(230, 57, 70, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(244, 162, 97, 0.08) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    margin-bottom: var(--spacing-md);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    max-width: 700px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   SECTIONS
   =================================== */

.section {
    padding: var(--spacing-3xl) 0;
}

.section-dark {
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
}

.section-cta {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

/* ===================================
   CATEGORY CARDS
   =================================== */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.category-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    color: white;
}

.category-title {
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.category-description {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.category-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.category-price {
    font-weight: 600;
    color: var(--color-accent);
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    transition: gap var(--transition-fast);
}

.category-link:hover {
    gap: 0.75rem;
}

/* ===================================
   FILTER TABS
   =================================== */

.filter-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.75rem 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

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

/* ===================================
   PRODUCT CARDS
   =================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-surface));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-image-placeholder {
    font-size: 4rem;
    opacity: 0.3;
    color: var(--color-text-secondary);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
}

.product-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-header {
    margin-bottom: var(--spacing-sm);
}

.product-category {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.product-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.product-meta-item {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price span {
    font-size: 1rem;
    color: var(--color-text-muted);
}

/* ===================================
   FEATURES GRID
   =================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    text-align: center;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(244, 162, 97, 0.1));
    border-radius: var(--radius-xl);
    color: var(--color-primary);
}

.feature-title {
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary-dark), var(--color-secondary));
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(244, 162, 97, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    margin-bottom: var(--spacing-md);
    font-size: clamp(2rem, 4vw, 3rem);
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-secondary);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-heading {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-disclaimer {
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: calc(var(--spacing-2xl) + 70px) 0 var(--spacing-2xl);
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .filter-tabs {
        flex-direction: column;
        width: 100%;
    }

    .filter-tab {
        width: 100%;
    }
}