/* ============================================
   NAV
   ============================================ */

.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(12, 14, 21, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    display: flex;
    align-items: center;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.nav-logo:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.is-active {
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   CARDS
   ============================================ */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-image .placeholder-icon {
    font-size: 3rem;
    color: var(--color-text-subtle);
}

.card-body {
    padding: 1.5rem;
}

.card-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
}

.card-body h3 {
    margin-bottom: 0.5rem;
}

.card-body p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.8rem;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn:hover {
    background: var(--color-bg-card);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-bg);
}

/* ============================================
   SECTION HEADER (for gallery pages)
   ============================================ */

.page-header {
    padding: calc(var(--nav-height) + 4rem) 0 3rem;
    text-align: center;
}

.page-header h1 {
    margin-bottom: 0.8rem;
}

.page-header p {
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-white);
    margin-bottom: 0.8rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    list-style: none;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--color-text-subtle);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 0.8rem;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.6rem;
    }
}