:root {
    --bg: #0a0a0b;
    --bg2: #111113;
    --card: #161618;
    --accent: #e63946;
    --glow: rgba(230, 57, 70, 0.4);
    --text: #fff;
    --muted: #a1a1aa;
    --border: #27272a;
    --gold: #f59e0b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

.bg-effect {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(230, 57, 70, 0.15), transparent);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px 0;
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

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

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 2px;
    color: var(--accent);
}

nav { display: flex; gap: 32px; }
nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
nav a:hover { color: var(--accent); }

/* Hero */
.hero {
    padding: 160px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--gold);
    margin-bottom: 24px;
}

h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 3px;
    line-height: 1.1;
    margin-bottom: 24px;
}

h1 span { color: var(--accent); }

.hero-desc {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 32px var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--glow);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover { border-color: var(--accent); }

/* Sections */
section { padding: 80px 0; }

h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-align: center;
    margin-bottom: 16px;
}

h3 { font-size: 1.4rem; margin-bottom: 12px; }
h4 { font-size: 1rem; color: var(--muted); margin-bottom: 8px; }
h5 { font-size: 0.85rem; color: var(--accent); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }

.section-desc {
    color: var(--muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}

/* Compare Table */
.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.compare-table th,
.compare-table td {
    padding: 18px 14px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.compare-table th {
    background: var(--bg2);
    font-weight: 600;
    color: var(--muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(230, 57, 70, 0.05); }

.price { color: var(--accent); font-weight: 700; font-size: 1.05rem; }
.rating { color: var(--gold); }

.best-tag {
    display: inline-block;
    padding: 3px 8px;
    background: var(--accent);
    border-radius: 4px;
    font-size: 0.6rem;
    font-weight: 700;
    margin-left: 6px;
    vertical-align: middle;
}

/* Product Cards */
.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 40px;
    transition: all 0.4s;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.product-card.featured {
    border-color: var(--accent);
    position: relative;
}

.product-card.featured::before {
    content: 'EDITOR CHOICE';
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1px;
    z-index: 10;
}

.product-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
}

.product-img {
    background: var(--bg2);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    min-height: 300px;
}

.product-img img {
    max-width: 100%;
    max-height: 260px;
    object-fit: contain;
    border-radius: 10px;
}

.product-info { padding: 32px; }

.product-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.product-meta span {
    padding: 5px 10px;
    background: var(--bg2);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--muted);
}

.product-title { font-size: 1.4rem; margin-bottom: 6px; }

.product-price {
    font-size: 1.8rem;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 16px;
}

.product-price del {
    color: var(--muted);
    font-size: 1rem;
    margin-left: 10px;
    font-weight: 400;
}

.features-list { list-style: none; margin-bottom: 20px; }

.features-list li {
    padding: 6px 0 6px 24px;
    position: relative;
    color: var(--muted);
    font-size: 0.95rem;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.btn-buy {
    display: inline-block;
    padding: 14px 36px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-buy:hover {
    background: #c1121f;
    transform: translateY(-2px);
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.spec-item h5 { margin-bottom: 4px; font-size: 0.7rem; }
.spec-item p { font-weight: 600; font-size: 0.9rem; }

/* FAQ */
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 14px;
    overflow: hidden;
}

.faq-q {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.faq-q:hover { background: var(--bg2); }
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--accent); }
.faq-item.active .faq-q::after { content: '−'; }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
}

.faq-item.active .faq-a { max-height: 500px; }
.faq-a-inner { padding: 0 20px 20px; color: var(--muted); line-height: 1.8; }

/* Guide Section */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.guide-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s;
}

.guide-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.guide-icon {
    width: 50px;
    height: 50px;
    background: var(--bg2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.guide-card h4 {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.guide-card p {
    color: var(--muted);
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 50px 0 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

footer a { color: var(--accent); text-decoration: none; }

/* Responsive */
@media (max-width: 900px) {
    .product-grid { grid-template-columns: 1fr; }
    .product-img { min-height: 220px; }
    nav { display: none; }
    .specs-grid { grid-template-columns: repeat(2, 1fr); }
    .guide-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    .compare-table { font-size: 0.8rem; }
    .compare-table th, .compare-table td { padding: 10px 6px; }
    .specs-grid { grid-template-columns: 1fr; }
    .hero { padding: 140px 0 60px; }
}