* { box-sizing: border-box; }
body {
    background: linear-gradient(180deg, #0a0404 0%, #1c0a0a 50%, #150606 100%);
    font-family: 'Barlow', sans-serif;
    min-height: 100vh;
}
.font-hell {
    font-family: 'Russo One', sans-serif;
    letter-spacing: 0.08em;
}
.text-gradient-fire {
    background: linear-gradient(135deg, #dc2626 0%, #ea580c 50%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gradient-ember {
    background: linear-gradient(135deg, #ea580c 0%, #f59e0b 50%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.glass-panel {
    background: rgba(28, 10, 10, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(234, 88, 12, 0.35);
}
.fire-glow {
    box-shadow: 0 0 80px rgba(220, 38, 38, 0.2), 0 0 120px rgba(245, 158, 11, 0.15);
}
.ember-glow {
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.3);
}
.card-burn {
    position: relative;
    overflow: hidden;
}
.card-burn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(234, 88, 12, 0.12), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.card-burn:hover::after {
    opacity: 1;
}
.tab-btn.active {
    background: linear-gradient(135deg, #dc2626, #ea580c, #f59e0b) !important;
    color: #fff !important;
    border-color: transparent !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(90deg, #2d1810, #dc2626, #ea580c, #f59e0b);
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ea580c, #f59e0b);
    cursor: pointer;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.7);
    border: 3px solid #0a0404;
}
.seo-text-block {
    margin-top: 4rem;
    padding: 3rem;
    background: rgba(20, 6, 6, 0.95);
    border-radius: 1.5rem;
    border: 1px solid rgba(234, 88, 12, 0.25);
}
.seo-text-content {
    color: #a8a29e;
    line-height: 1.85;
}
.seo-text-content h2 {
    color: #f59e0b;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(234, 88, 12, 0.35);
}
.seo-text-content h3 {
    color: #fbbf24;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
}
.seo-text-content p {
    margin-bottom: 1rem;
}
.seo-text-content ul, .seo-text-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}
.seo-text-content li {
    margin-bottom: 0.5rem;
}
.seo-text-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: rgba(28, 10, 10, 0.6);
    border-radius: 0.75rem;
    overflow: hidden;
}

.seo-text-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
}

.seo-text-content th, .seo-text-content td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(234, 88, 12, 0.2);
}
.seo-text-content th {
    background: rgba(220, 38, 38, 0.15);
    color: #f59e0b;
    font-weight: 600;
}
.seo-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.seo-feature-card {
    background: linear-gradient(135deg, rgba(28, 10, 10, 0.9), rgba(234, 88, 12, 0.08));
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(234, 88, 12, 0.3);
    transition: all 0.3s;
}
.seo-feature-card:hover {
    border-color: rgba(245, 158, 11, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.15);
}
.seo-feature-title {
    color: #fbbf24;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.seo-feature-text {
    color: #a8a29e;
    font-size: 0.875rem;
}
@keyframes flame-dance {
    0%, 100% { transform: scaleY(1) translateY(0); }
    25% { transform: scaleY(1.1) translateY(-2px); }
    50% { transform: scaleY(0.95) translateY(1px); }
    75% { transform: scaleY(1.05) translateY(-1px); }
}
.animate-flame {
    animation: flame-dance 2s ease-in-out infinite;
}
@keyframes ember-pulse {
    0%, 100% { opacity: 0.5; filter: blur(60px); }
    50% { opacity: 0.8; filter: blur(80px); }
}
.animate-ember {
    animation: ember-pulse 4s ease-in-out infinite;
}
@keyframes fire-shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}
.btn-fire {
    background: linear-gradient(90deg, #dc2626, #ea580c, #f59e0b, #ea580c, #dc2626);
    background-size: 300% auto;
    animation: fire-shimmer 4s linear infinite;
}
.hero-banner {
    background-image: url('img/banner.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}
@media (max-width: 1023px) {
    .hero-banner {
        background-position: 87% center;
        background-size: cover;
        min-height: 75vh;
    }
}
.smoke-bg {
    background-image: 
        radial-gradient(ellipse at 20% 80%, rgba(220, 38, 38, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(234, 88, 12, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 50%);
}
.border-fire {
    border-image: linear-gradient(135deg, #dc2626, #ea580c, #f59e0b) 1;
}
