/* ─────────────────────────────────────────────
   Architecture — Single Project
   ───────────────────────────────────────────── */

/* Breadcrumb */
.arch-breadcrumb {
    padding: 2rem 5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray);
    max-width: 1500px;
    margin: 0 auto;
}
.arch-breadcrumb a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
}
.arch-breadcrumb a:hover { color: var(--gold); }
.arch-breadcrumb .bc-sep { margin: 0 0.75rem; opacity: 0.4; }
.arch-breadcrumb span:last-child { color: var(--gold); }

/* Hero */
.arch-single-hero {
    text-align: center;
    padding: 4rem 5rem 5rem;
    max-width: 1500px;
    margin: 0 auto;
}
.arch-type-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--gold);
    margin-bottom: 1.5rem;
    display: inline-block;
    border: 1px solid rgba(212,175,55,0.3);
    padding: 0.4rem 1.5rem;
}
.arch-title {
    font-size: 3.5rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.arch-location-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-style: italic;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}
.arch-location-label svg { color: var(--gold); }

/* Gallery */
.arch-gallery-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5rem 4rem;
}
.arch-gallery-main {
    width: 100%;
    overflow: hidden;
    margin-bottom: 1rem;
    background: var(--charcoal);
    border: 1px solid rgba(212,175,55,0.15);
    position: relative;
}
.arch-gallery-main img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    cursor: zoom-in;
    transition: opacity 0.25s ease;
}
.arch-gallery-thumbs {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--gold) var(--charcoal);
}
.arch-gallery-thumbs::-webkit-scrollbar { height: 4px; }
.arch-gallery-thumbs::-webkit-scrollbar-track { background: var(--charcoal); }
.arch-gallery-thumbs::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

.arch-thumb {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.5;
}
.arch-thumb:hover { opacity: 0.8; }
.arch-thumb.active {
    border-color: var(--gold);
    opacity: 1;
}
.arch-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Content Grid */
.arch-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 5rem 6rem;
}
.arch-content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    align-items: start;
}
.arch-description h2 {
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    color: var(--cream);
}
.arch-description p {
    font-size: 1.15rem;
    color: var(--gray);
    line-height: 2;
    margin-bottom: 1.5rem;
}
.arch-description .no-description {
    font-style: italic;
    color: rgba(107,107,107,0.7);
}

/* Details Card */
.arch-details-card {
    background: var(--charcoal);
    border: 1px solid rgba(212,175,55,0.15);
    padding: 2.5rem;
    position: sticky;
    top: 100px;
}
.arch-details-card h3 {
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(212,175,55,0.15);
}
.arch-details-list { margin-bottom: 2.5rem; }
.arch-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.arch-detail-row:last-child { border-bottom: none; }
.detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray);
}
.detail-value {
    color: var(--cream);
    font-size: 1rem;
    text-align: right;
}
.status-badge {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 1rem;
    border-radius: 2px;
}
.status-completed {
    background: rgba(40,167,69,0.15);
    color: #5cb85c;
    border: 1px solid rgba(40,167,69,0.3);
}
.status-in-progress {
    background: rgba(212,175,55,0.15);
    color: var(--gold);
    border: 1px solid rgba(212,175,55,0.3);
}
.status-concept {
    background: rgba(108,117,125,0.15);
    color: #adb5bd;
    border: 1px solid rgba(108,117,125,0.3);
}

/* CTA Button */
.arch-cta-btn {
    display: block;
    text-align: center;
    background: var(--gold);
    color: var(--black);
    padding: 1.2rem 2rem;
    text-decoration: none;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-family: 'Times New Roman', Times, serif;
    font-weight: 600;
    transition: all 0.3s ease;
}
.arch-cta-btn:hover {
    background: var(--dark);
    color: var(--gold);
}

/* Project Navigation */
.arch-nav {
    border-top: 1px solid rgba(212,175,55,0.15);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5rem;
}
.arch-nav-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
    padding: 3rem 0;
}
.arch-nav-link {
    text-decoration: none;
    padding: 1.5rem;
    transition: background 0.3s ease;
    border-radius: 4px;
}
.arch-nav-link:hover { background: rgba(212,175,55,0.05); }
.arch-nav-link.prev { text-align: left; }
.arch-nav-link.next { text-align: right; }
.nav-direction {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold);
    margin-bottom: 0.5rem;
}
.nav-title {
    display: block;
    font-size: 1.1rem;
    color: var(--cream);
    letter-spacing: 0.05em;
}
.arch-nav-all {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: color 0.3s ease;
}
.arch-nav-all:hover { color: var(--gold); }

/* ─────────────────────────────────────────────
   Architecture — Archive
   ───────────────────────────────────────────── */
.arch-archive-hero {
    text-align: center;
    padding: 8rem 5rem 3rem;
}
.arch-archive-hero h1 {
    font-size: 3.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--cream);
}
.arch-archive-hero p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--gray);
    font-size: 1.15rem;
    line-height: 1.8;
    font-style: italic;
}

.arch-filters {
    display: flex;
    gap: 3rem;
    justify-content: center;
    padding: 2rem 5rem 4rem;
}

.arch-archive-grid-section {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 5rem 8rem;
}
.arch-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.arch-archive-card {
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 1;
}
.arch-archive-card.fade-out {
    opacity: 0;
    transform: translateY(15px);
}
.arch-archive-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}
.arch-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.arch-card-image {
    position: relative;
    overflow: hidden;
    height: 350px;
    background: var(--charcoal);
}
.arch-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.arch-archive-card:hover .arch-card-image img {
    transform: scale(1.05);
}
.arch-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,10,10,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.arch-archive-card:hover .arch-card-overlay { opacity: 1; }
.view-project {
    color: var(--gold);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border: 1px solid var(--gold);
    padding: 0.8rem 2rem;
    transition: all 0.3s ease;
}
.view-project:hover {
    background: var(--gold);
    color: var(--black);
}
.arch-card-info {
    padding: 1.5rem 0.5rem;
}
.arch-card-info h3 {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--cream);
    margin-bottom: 0.5rem;
}
.arch-card-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--gray);
    font-style: italic;
}
.arch-card-meta span { letter-spacing: 0.05em; }

.arch-no-projects {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 2rem;
}
.arch-no-projects h2 {
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--cream);
    margin-bottom: 1rem;
}
.arch-no-projects p {
    color: var(--gray);
    font-style: italic;
}

/* ─────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .arch-content-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .arch-details-card { position: static; }
    .arch-archive-grid { grid-template-columns: repeat(2, 1fr); }
    .arch-gallery-main img { height: 450px; }
}

@media (max-width: 768px) {
    .arch-breadcrumb { padding: 1.5rem 2rem; }
    .arch-single-hero { padding: 2rem 2rem 3rem; }
    .arch-title { font-size: 2.2rem; }
    .arch-gallery-section { padding: 0 2rem 3rem; }
    .arch-gallery-main img { height: 300px; }
    .arch-thumb { width: 75px; height: 56px; }
    .arch-content { padding: 3rem 2rem 4rem; }
    .arch-nav { padding: 0 2rem; }
    .arch-nav-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .arch-nav-all { grid-column: 1 / -1; order: -1; }
    .arch-archive-hero { padding: 5rem 2rem 2rem; }
    .arch-archive-hero h1 { font-size: 2.2rem; }
    .arch-filters { gap: 1.5rem; flex-wrap: wrap; padding: 1rem 2rem 2rem; }
    .arch-archive-grid-section { padding: 0 2rem 5rem; }
    .arch-archive-grid { grid-template-columns: 1fr; }
    .arch-card-image { height: 250px; }
}