.materials-hero {
    position: relative;
    min-height: 45vh;
    background: linear-gradient(160deg, #040D1E 0%, var(--primary-dark) 45%, var(--primary) 100%);
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    align-items: center;
}
.materials-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 50% at 20% 60%, rgba(200,169,81,0.05) 0%, transparent 65%),
        radial-gradient(ellipse 40% 45% at 80% 30%, rgba(200,169,81,0.04) 0%, transparent 60%);
    pointer-events: none;
}
.materials-hero-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.materials-hero-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.4);
    max-width: 520px;
    line-height: 1.7;
}

.material-section {
    padding: 60px 0;
    background: var(--white);
}
.material-section.material-alt { background: var(--bg-light); }
.material-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 28px;
}
.material-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(200,169,81,0.06);
    border: 1px solid rgba(200,169,81,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
    flex-shrink: 0;
}
.material-category {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
}
.material-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary);
    margin: 0;
}

.material-image {
    width: 100%;
    height: 220px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}
.material-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.material-section:hover .material-image img {
    transform: scale(1.03);
}
.material-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}
.material-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
}
.material-features div {
    font-size: 14px;
    color: #374151;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}
.material-features div i { color: var(--accent); font-size: 16px; }
.material-stats { display: grid; gap: 12px; }
.material-stats div {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border: 1px solid rgba(200,169,81,0.08);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    text-align: center;
}
.material-stats span {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: block;
}
.material-stats label {
    font-size: 11px;
    color: rgba(255,255,255,0.35);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.material-brands {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.material-brands > span:first-child {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.material-brands span {
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    padding: 4px 14px;
    border-radius: 6px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
}

.material-comparison { padding: 80px 0; background: var(--white); }
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.comparison-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 30px 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.comparison-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(200,169,81,0.15);
}
.comparison-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.comparison-card h3 i { color: var(--accent); }
.comparison-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.comparison-item span {
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    width: 120px;
    flex-shrink: 0;
}
.comparison-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-light);
    border-radius: 4px;
    overflow: hidden;
}
.comparison-bar div {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-glow));
    transition: width 0.8s ease;
}

@media (max-width: 991px) {
    .materials-hero-title { font-size: 36px; }
    .material-title { font-size: 24px; }
    .comparison-grid { grid-template-columns: 1fr; }
    .material-image { height: 170px; }
}

@media (max-width: 575px) {
    .materials-hero-title { font-size: 28px; }
    .material-header { flex-direction: column; }
    .material-features { grid-template-columns: 1fr; }
    .material-stats div { padding: 12px 16px; }
    .material-stats span { font-size: 22px; }
    .material-image { height: 140px; }
}