:root {
    --vitrage-dark: #0e0c08;
    --gold-accent: #b89047;
    --gold-dim: #7d5f30;
    --glass-sapphire: rgba(13, 27, 42, 0.85);
    --glass-emerald: rgba(15, 32, 25, 0.85);
    --text-light: #ece7e1;
    --border-gold: 1px solid rgba(184, 144, 71, 0.25);
    --border-thick: 2px double #b89047;
}
body {
    background-color: var(--vitrage-dark);
    color: var(--text-light);
    font-family: "Noto Serif SC", "Playfair Display", "Georgia", serif;
    margin: 0;
    padding: 0;
}
.vitrage-header {
    background: rgba(14, 12, 8, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: var(--border-thick);
    height: 65px;
    position: sticky;
    top: 0;
    z-index: 999;
}
.vitrage-logo img {
    height: 42px;
    margin-top: 11px;
}
.nav-link {
    color: var(--text-light) !important;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
}
.nav-link:hover {
    color: var(--gold-accent) !important;
}
.vitrage-grid {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 15px 100px 15px;
    gap: 30px;
    box-sizing: border-box;
}
.vitrage-col-left {
    width: 50%;
    margin-top: 0;
}
.vitrage-col-right {
    width: 50%;
    margin-top: 60px;
}
.vitrage-card {
    background: var(--glass-sapphire);
    border: var(--border-gold);
    padding: 30px;
    box-sizing: border-box;
    transition: all 0.4s ease-in-out;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}
.vitrage-col-right .vitrage-card {
    background: var(--glass-emerald);
}
.vitrage-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(184, 144, 71, 0.05);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
    pointer-events: none;
}
.vitrage-card:hover {
    border-color: var(--gold-accent);
    box-shadow: 0 0 25px rgba(184, 144, 71, 0.2);
    transform: translateY(-3px);
}
.vitrage-card:hover::before {
    opacity: 1;
}
.vitrage-btn {
    background: transparent;
    color: var(--gold-accent) !important;
    border: 1px solid var(--gold-accent);
    padding: 8px 24px;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s;
    position: relative;
    z-index: 2;
}
.vitrage-btn:hover {
    background: var(--gold-accent);
    color: var(--vitrage-dark) !important;
}
.vitrage-breadcrumb {
    padding: 15px 0;
    border-bottom: var(--border-gold);
    margin-bottom: 30px;
    font-size: 12px;
    color: var(--gold-dim);
    letter-spacing: 1px;
}
.vitrage-breadcrumb a {
    color: var(--gold-dim);
}
.vitrage-breadcrumb a:hover {
    color: var(--gold-accent);
}
@media (max-width: 768px) {
    .vitrage-grid {
        flex-direction: column;
        padding: 20px 15px;
    }
    .vitrage-col-left, .vitrage-col-right {
        width: 100%;
    }
    .vitrage-col-right {
        margin-top: 0;
    }
}