:root {
    --primary-orange: #f97316;
    --dark-bg: #18181b;
    --card-bg: #27272a;
    --text-main: #f4f4f5;
    --text-sub: #a1a1aa;
    --border-color: #3f3f46;
    --font-stack: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--dark-bg);
    color: var(--text-main);
    line-height: 1.6;
}

.review-layout {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--dark-bg);
    min-height: 100vh;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(24, 24, 27, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-mark {
    font-size: 2rem;
}

.logo-area h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-area h1 span {
    color: var(--primary-orange);
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-sub);
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}

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

/* Hero */
.intro-banner {
    display: flex;
    align-items: center;
    padding: 4rem 2rem;
    gap: 3rem;
    background: linear-gradient(to bottom right, #18181b, #27272a);
}

.banner-text {
    flex: 1;
}

.banner-text h2 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.banner-text p {
    color: var(--text-sub);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.search-box {
    display: flex;
    background: var(--card-bg);
    border-radius: 50px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    max-width: 400px;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    color: white;
    outline: none;
}

.search-box button {
    background: var(--primary-orange);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    color: white;
    transition: transform 0.2s;
}

.search-box button:hover {
    transform: scale(1.1);
}

.banner-image {
    flex: 1;
}

.banner-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
}

/* Device Section */
.device-section {
    padding: 4rem 2rem;
}

.section-header {
    margin-bottom: 3rem;
    border-left: 4px solid var(--primary-orange);
    padding-left: 1.5rem;
}

.section-header h3 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-sub);
    font-family: monospace;
    letter-spacing: 2px;
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.device-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.device-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    border-color: var(--primary-orange);
}

.card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-orange);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 10;
}

.device-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-info {
    padding: 1.5rem;
}

.card-info h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.rating {
    color: #fbbf24;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.specs {
    color: var(--primary-orange);
    font-family: monospace;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    background: rgba(249, 115, 22, 0.1);
    padding: 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.summary {
    color: var(--text-sub);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.read-more {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.read-more:hover {
    gap: 1rem;
    color: var(--primary-orange);
}

/* Table */
.data-comparison {
    padding: 4rem 2rem;
    background: #202023;
}

.table-container {
    overflow-x: auto;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.spec-table th, .spec-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.spec-table th {
    background: #27272a;
    color: var(--primary-orange);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.spec-table tr:last-child td {
    border-bottom: none;
}

.spec-table tr:hover {
    background: #3f3f46;
}

/* Footer */
.site-footer {
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
    background: #121214;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h5 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col p, .footer-col a {
    color: var(--text-sub);
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary-orange);
}

.subscribe-input {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.subscribe-input input {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 4px;
    color: white;
    flex: 1;
}

.subscribe-input button {
    background: var(--primary-orange);
    border: none;
    color: white;
    padding: 0 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.copyright {
    text-align: center;
    color: #52525b;
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid #27272a;
}

@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    .intro-banner {
        flex-direction: column;
        text-align: center;
    }
    .search-box {
        margin: 0 auto;
    }
    .device-grid {
        grid-template-columns: 1fr;
    }
}