/* ============================================================
   Buildings Page — Sungai Lembing Heritage Site
   Palette matches site-wide: #1A241E | #2D5A3D | #C6A867 | #FAFAF8
   ============================================================ */

/* ── Container ──────────────────────────────────────────────── */
.buildings-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================================
   HERO
   ============================================================ */
.buildings-hero {
    min-height: 60vh;
    background: #0D1410;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.buildings-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.buildings-hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image:
        linear-gradient(rgba(198, 168, 103, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(198, 168, 103, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}

.buildings-hero-orb {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 90, 61, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    top: 10%;
    right: 10%;
    z-index: 1;
    pointer-events: none;
}

.buildings-hero-content {
    position: relative;
    z-index: 2;
    padding: 80px 0 100px;
}

.buildings-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
}

.buildings-breadcrumb a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: color 0.3s ease;
}

.buildings-breadcrumb a:hover { color: #C6A867; }

.buildings-breadcrumb-sep { color: rgba(255, 255, 255, 0.3); }

.buildings-breadcrumb-current {
    color: #C6A867;
    font-weight: 500;
}

.buildings-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(45, 90, 61, 0.2);
    border: 1px solid rgba(45, 90, 61, 0.4);
    border-radius: 100px;
    margin-bottom: 22px;
}

.buildings-hero-badge-text {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #E8D5A3;
}

.buildings-hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1.1;
    max-width: 800px;
    margin-bottom: 22px;
}

.buildings-hero-highlight {
    font-style: italic;
    background: linear-gradient(135deg, #C6A867 0%, #E8D5A3 50%, #C6A867 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.buildings-hero-desc {
    font-family: 'DM Sans', sans-serif;
    font-size: 17px;
    color: #A8A49C;
    line-height: 1.8;
    max-width: 700px;
    text-align: justify;
}

/* ============================================================
   OVERVIEW SECTION
   ============================================================ */
.buildings-overview {
    background: #FAFAF8;
    padding: 80px 40px;
}

.buildings-overview-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.buildings-eyebrow {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #2D5A3D;
    margin-bottom: 14px;
}

.buildings-section-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 400;
    color: #1A241E;
    line-height: 1.15;
    margin-bottom: 24px;
}

.buildings-overview-text {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    text-align: justify;
}

/* ============================================================
   CATEGORY SECTIONS
   ============================================================ */
.buildings-category {
    padding: 80px 40px;
}

.buildings-category--english { background: #F0EDE6; }
.buildings-category--asian   { background: #FAFAF8; }

.buildings-category-header {
    text-align: center;
    max-width: 860px;
    margin: 0 auto 56px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(198, 168, 103, 0.25);
}

.buildings-category-label {
    display: inline-flex;
    align-items: center;
    padding: 6px 18px;
    border-radius: 100px;
    font-family: 'DM Sans', sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.buildings-category-label--english {
    background: rgba(198, 168, 103, 0.12);
    color: #8B6914;
    border: 1px solid rgba(198, 168, 103, 0.35);
}

.buildings-category-label--asian {
    background: rgba(45, 90, 61, 0.1);
    color: #2D5A3D;
    border: 1px solid rgba(45, 90, 61, 0.3);
}

.buildings-category-desc {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: #666;
    line-height: 1.85;
    text-align: justify;
    max-width: 820px;
    margin: 0 auto;
}

/* ============================================================
   BUILDINGS GRID + CARDS
   ============================================================ */
.buildings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.building-card {
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 16px rgba(26, 36, 30, 0.05);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    display: flex;
    flex-direction: column;
}

.building-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(26, 36, 30, 0.1);
    border-color: rgba(198, 168, 103, 0.4);
}

/* ── Card image ──────────────────────────────────────────── */
.building-card-img {
    position: relative;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #2D3A32 0%, #1A241E 100%);
    overflow: hidden;
}

.building-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
    cursor: pointer;
}

.building-card:hover .building-main-img {
    transform: scale(1.04);
}

.building-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(198, 168, 103, 0.3);
}

.building-photo-count {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(13, 20, 16, 0.7);
    backdrop-filter: blur(4px);
    border-radius: 6px;
    padding: 4px 10px;
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ── Card body ───────────────────────────────────────────── */
.building-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.building-name {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 18px;
    font-weight: 400;
    color: #1A241E;
    margin: 0 0 10px;
    line-height: 1.3;
}

.building-caption {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    color: #777;
    line-height: 1.65;
    font-style: italic;
    margin: 0 0 16px;
    flex: 1;
}

.building-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    background: none;
    border: none;
    border-bottom: 1px solid rgba(198, 168, 103, 0.4);
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #C6A867;
    cursor: pointer;
    transition: all 0.25s ease;
    align-self: flex-start;
}

.building-view-btn:hover {
    color: #A88B4A;
    border-bottom-color: #A88B4A;
    gap: 10px;
}

/* ── Empty state ─────────────────────────────────────────── */
.buildings-empty {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: rgba(26, 36, 30, 0.4);
    font-style: italic;
    text-align: center;
    padding: 60px 0;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.buildings-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.buildings-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .buildings-container { padding: 0 24px; }
    .buildings-category  { padding: 60px 24px; }
    .buildings-overview  { padding: 60px 24px; }

    .buildings-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .buildings-hero { padding-top: 80px; }
    .buildings-hero-content { padding: 60px 0 80px; }

    .buildings-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .buildings-section-title { font-size: 26px; }
}