/* ═══════════════════════════════════════════════════
   ANIMATIONS & MICRO-INTERACTIONS — CTS Network
   ═══════════════════════════════════════════════════ */

/* ── Card hover lift ── */
.card-hover-lift {
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.card-hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* ── CTA button press ── */
.btn-press:active {
    transform: scale(0.96);
}

/* ── Scroll-reveal fade-up ── */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal-on-scroll:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger > .reveal-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal-on-scroll:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger > .reveal-on-scroll:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger > .reveal-on-scroll:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger > .reveal-on-scroll:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger > .reveal-on-scroll:nth-child(7) { transition-delay: 0.35s; }

/* ── Navbar link underline slide ── */
.nav-link-animated {
    position: relative;
}

.nav-link-animated::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #eda720;
    transition: width 0.25s ease, left 0.25s ease;
}

.nav-link-animated:hover::after {
    width: 100%;
    left: 0;
}

/* ── Category badge structured colors ── */
.category-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.category-badge-konstruksi,
.category-badge-default {
    background: rgba(237, 167, 32, 0.12);
    color: #c68d1a;
}

.category-badge-teknologi {
    background: rgba(59, 130, 246, 0.12);
    color: #2563eb;
}

.category-badge-struktur {
    background: rgba(44, 43, 81, 0.12);
    color: #2c2b51;
}

.category-badge-berita {
    background: rgba(193, 17, 17, 0.12);
    color: #c11111;
}

.category-badge-transportasi {
    background: rgba(5, 150, 105, 0.12);
    color: #059669;
}

.category-badge-geoteknik {
    background: rgba(139, 92, 246, 0.12);
    color: #7c3aed;
}

.category-badge-hidrolika {
    background: rgba(6, 182, 212, 0.12);
    color: #0891b2;
}

.category-badge-manajemen {
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
}

/* Dark mode badge adjustments */
[data-bs-theme="dark"] .category-badge-konstruksi,
[data-bs-theme="dark"] .category-badge-default {
    background: rgba(237, 167, 32, 0.2);
    color: #eda720;
}

[data-bs-theme="dark"] .category-badge-teknologi {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

[data-bs-theme="dark"] .category-badge-struktur {
    background: rgba(99, 98, 160, 0.2);
    color: #a5a4d6;
}

[data-bs-theme="dark"] .category-badge-berita {
    background: rgba(193, 17, 17, 0.2);
    color: #f87171;
}

[data-bs-theme="dark"] .category-badge-transportasi {
    background: rgba(5, 150, 105, 0.2);
    color: #34d399;
}

[data-bs-theme="dark"] .category-badge-geoteknik {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

[data-bs-theme="dark"] .category-badge-hidrolika {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

[data-bs-theme="dark"] .category-badge-manajemen {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

/* ── Image placeholder gradient overlay ── */
.placeholder-cover {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #2c2b51 0%, #3a396e 50%, #2c2b51 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-cover-icon {
    font-size: 2.5rem;
    color: rgba(237, 167, 32, 0.4);
    z-index: 1;
}

.placeholder-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(237, 167, 32, 0.08) 0%, transparent 50%),
        linear-gradient(225deg, rgba(237, 167, 32, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* ── Homepage content cards ── */
.trending-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}

.trending-grid .view_item:first-child {
    grid-column: 1 / -1;
}

.trending-grid .view_item:first-child .vi_left img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.latest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.latest-grid .view_item {
    flex-direction: column;
    align-items: flex-start;
}

.latest-grid .view_item .vi_left {
    margin-right: 0;
    margin-bottom: 12px;
    width: 100%;
}

.latest-grid .view_item .vi_left img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

@media screen and (max-width: 768px) {
    .trending-grid,
    .latest-grid {
        grid-template-columns: 1fr;
    }

    .trending-grid .view_item:first-child .vi_left img {
        height: 180px;
    }

    .latest-grid .view_item .vi_left img {
        height: 150px;
    }
}

/* ── Section divider ── */
.section-divider {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(237, 167, 32, 0.3), transparent);
    margin: 40px 0;
}

/* ── Smooth page transitions ── */
.page-content {
    animation: pageEnter 0.3s ease-out;
}

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .reveal-on-scroll,
    .card-hover-lift,
    .nav-link-animated::after,
    .hero-graphic-circle,
    .partner-carousel-track {
        animation: none !important;
        transition: none !important;
    }

    .reveal-on-scroll {
        opacity: 1;
        transform: none;
    }
}