/* Kekruweb Design System & Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #07090e;
    --bg-card: #0f141f;
    --bg-card-hover: #161d2d;
    --bg-surface: #121826;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --accent-glow: rgba(99, 102, 241, 0.35);
    --text-main: #f8fafc;
    --text-sub: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Glassmorphism utility */
.glass {
    background: rgba(15, 20, 31, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.brand-logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-logo span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-sub);
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 100px 0 80px;
    text-align: center;
    overflow: hidden;
}

/* Hero Image Slider / Carousel */
.hero-slider-container {
    position: relative;
    max-width: 980px;
    margin: 10px auto 36px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #0f1420;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), var(--shadow-glow);
}

.hero-slider-track {
    position: relative;
    min-height: 380px;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0.98);
    display: grid;
    grid-template-columns: 1.3fr 1fr;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    position: relative;
}

.hero-slide-image {
    position: relative;
    height: 100%;
    min-height: 380px;
    background: #151c2c;
    overflow: hidden;
}

.hero-slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.hero-slide:hover .hero-slide-image img {
    transform: scale(1.05);
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(15, 20, 32, 0.1) 0%, rgba(15, 20, 32, 0.95) 100%);
}

.hero-slide-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.9);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.hero-slide-content {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    background: #0f1420;
    z-index: 2;
}

.hero-slide-category {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.hero-slide-title {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.25;
}

.hero-slide-desc {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 24px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-slide-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
}

.hero-slide-price {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
}

.hero-slide-actions {
    display: flex;
    gap: 8px;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(15, 20, 32, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.slider-arrow:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.slider-prev { left: 14px; }
.slider-next { right: 14px; }

.slider-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot.active, .slider-dot:hover {
    background: var(--accent-primary);
    width: 22px;
    border-radius: 8px;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(7, 9, 14, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 54px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.hero-title span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-sub);
    max-width: 680px;
    margin: 0 auto 36px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

/* Search & Filter Bar */
.search-filter-box {
    background: var(--bg-card);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 640px;
    margin: 0 auto;
    box-shadow: var(--shadow-soft);
}

.search-filter-box i {
    color: var(--text-muted);
    font-size: 18px;
    margin-left: 8px;
}

.search-filter-box input {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 15px;
    width: 100%;
    font-family: inherit;
}

.search-filter-box select {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-sub);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
}

/* Section Header */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-sub);
    margin-top: 6px;
}

/* Product Cards Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

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

.product-thumb {
    position: relative;
    height: 210px;
    background: #1e293b;
    overflow: hidden;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.badge-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    background: rgba(7, 9, 14, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #a5b4fc;
}

.product-actions-hover {
    position: absolute;
    inset: 0;
    background: rgba(7, 9, 14, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transition: var(--transition-fast);
}

.product-card:hover .product-actions-hover {
    opacity: 1;
}

.product-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.product-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.product-desc {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.tech-tag {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}

.product-rating {
    font-size: 13px;
    color: #f59e0b;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 60px 0;
}

.feature-box {
    background: var(--bg-card);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.feature-box:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-box p {
    color: var(--text-sub);
    font-size: 14px;
}

/* Estimate Calculator Form */
.quote-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    outline: none;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.custom-checkbox {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.custom-checkbox:hover, .custom-checkbox.selected {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.08);
}

/* Live Frame Viewer */
.frame-bar {
    height: 60px;
    background: #0f141f;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.frame-devices {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.device-btn {
    background: transparent;
    border: none;
    color: var(--text-sub);
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition-fast);
}

.device-btn.active, .device-btn:hover {
    background: var(--accent-primary);
    color: #fff;
}

.preview-viewport-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #05070a;
    overflow: auto;
    padding: 20px;
}

.preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
}

.preview-iframe.desktop { width: 100%; height: 100%; border-radius: 0; }
.preview-iframe.tablet { width: 768px; height: 90%; border-radius: 12px; border: 8px solid #1e293b; }
.preview-iframe.mobile { width: 375px; height: 85%; border-radius: 20px; border: 10px solid #1e293b; }

/* Admin Dashboard Tables */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.admin-table th {
    background: var(--bg-surface);
    text-align: left;
    padding: 14px 18px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-sub);
    border-bottom: 1px solid var(--border-color);
}

.admin-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.admin-table tr:hover {
    background: rgba(255,255,255,0.02);
}

/* Footer */
.footer {
    background: #040609;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-sub);
    font-size: 14px;
    margin-top: 12px;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: var(--text-sub);
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}

/* Navigation Actions & Mobile Toggle */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-toggle-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: #fff;
    font-size: 18px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* Table Responsive Scroll Wrapper */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Responsive Breakpoints & Mobile Enhancements */
@media (max-width: 992px) {
    .container { padding: 0 16px; }
    .products-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
    .mobile-toggle-btn { display: inline-flex; }

    /* Mobile Navigation Drawer */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #0f1420;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.8);
    }
    
    .nav-links.open {
        display: flex;
    }

    .hero-title { font-size: 32px; }
    .hero-slide { grid-template-columns: 1fr; }
    .hero-slide-image { min-height: 240px; }
    .hero-slide-content { padding: 24px 20px; }

    .products-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .search-filter-box { flex-direction: column; padding: 14px; }
    .search-filter-box select { width: 100%; }

    /* Mobile Admin Layout */
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; min-width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); }
    .admin-main { padding: 20px 16px; }
    .admin-header { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 480px) {
    .product-price { font-size: 18px; }
    .hero-slide-title { font-size: 20px; }
    .btn-lg { padding: 12px 20px; font-size: 14px; width: 100%; }
}