/* ===== VARIABLES ===== */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #ffffff;
    --accent-hover: #e0e0e0;
    --border: #222222;
    --border-light: #2a2a2a;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 6px;
    --transition: all 0.2s ease;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    font-weight: 300;
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 3.5rem); }
h2 { font-size: clamp(2rem, 5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 2rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
}

.logo img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 400;
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

/* ===== HERO BANNER ===== */
.hero-banner {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    border-bottom: 1px solid var(--border);
    margin-top: 70px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 4vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.btn:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    gap: 0.75rem;
}

/* ===== CATEGORY FILTER ===== */
.products-filter {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding: 0.5rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: var(--font-primary);
    letter-spacing: 0.3px;
}

.filter-btn i {
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.filter-btn.active i {
    color: var(--bg-primary);
}

.filter-count {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    font-size: 0.7rem;
    margin-left: 0.5rem;
    font-weight: 400;
}

.filter-btn.active .filter-count {
    background: rgba(0, 0, 0, 0.2);
    color: var(--bg-primary);
}

/* Reset filter button */
.filter-reset {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.6rem 1.25rem;
    border-radius: 100px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.filter-reset:hover {
    border-color: var(--error);
    color: var(--error);
    background: rgba(239, 68, 68, 0.05);
}

.filter-reset i {
    margin-right: 0.5rem;
}

/* Animation for filtered cards */
.product-card {
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.2s ease;
}

.product-card.filtered-out {
    display: none;
}

/* ===== PRODUCT CARDS ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    border-color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.product-image {
    width: 100%;
    height: 200px;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    opacity: 0.9;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
    opacity: 1;
}

.product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    align-self: flex-start;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.badge-available {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.badge-soon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.product-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.product-description {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.product-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.product-features i {
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 16px;
}

.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: auto;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* ===== WHY CARDS ===== */
.why-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.why-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.why-card:hover {
    border-color: var(--text-primary);
}

.why-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.why-card h3 i {
    color: var(--text-primary);
    opacity: 0.8;
}

/* ===== PLATFORM GRID ===== */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.platform-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.platform-link:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
    background: var(--bg-secondary);
}

.platform-link i {
    font-size: 1.2rem;
}

/* ===== ABOUT CTA BUTTONS FIX ===== */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.hero-cta .btn {
    min-width: 160px;
}

/* ===== FINAL CTA ===== */
.final-cta {
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.final-cta h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.final-cta p {
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .header {
        padding: 0.5rem 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        grid-template-columns: 1fr;
    }
    
    .why-cards {
        grid-template-columns: 1fr;
    }
    
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta .btn {
        width: 100%;
        min-width: unset;
        justify-content: center;
    }

    .products-filter {
        gap: 0.5rem;
    }
    
    .filter-btn, .filter-reset {
        padding: 0.45rem 1rem;
        font-size: 0.75rem;
    }
    
    .filter-btn i, .filter-reset i {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }

    .hero-cta {
        max-width: 280px;
    }

    .products-filter {
        gap: 0.4rem;
    }
    
    .filter-btn, .filter-reset {
        padding: 0.4rem 0.85rem;
        font-size: 0.7rem;
    }
}