/* CSS - Estilo Monumentalista / Art Déco para el Circuito Salamone */

:root {
    --bg-color: #f5f4f0;       /* Tono cemento claro / piedra caliza */
    --text-color: #2c302e;     /* Gris oscuro profundo */
    --primary-color: #1a1c1b;  /* Negro arquitectónico */
    --accent-color: #9e3d2f;   /* Óxido de hierro / Ladrillo industrial */
    --card-bg: #ffffff;
    --border-color: #d1cfc7;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header Estilo Geométrico */
.site-header {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 25px 0;
    border-bottom: 4px solid var(--accent-color);
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    letter-spacing: 2px;
    font-weight: 600;
}

.accent-text {
    color: var(--accent-color);
}

.tagline {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #a0a0a0;
    margin-top: 2px;
}

.site-nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

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

/* Hero */
.hero-section {
    background-color: #232625;
    color: #ffffff;
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.hero-section h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    text-transform: uppercase;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.hero-section p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 300;
    color: #ccc;
}

.text-center { text-align: center; }

/* Grid de Tarjetas */
.section-padding {
    padding: 60px 0;
}

.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    text-transform: uppercase;
    border-left: 5px solid var(--accent-color);
    padding-left: 15px;
    margin-bottom: 5px;
}

.section-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.obra-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.card-image-placeholder {
    background-color: #e2dfd5;
    height: 220px;
    position: relative;
    border-bottom: 2px solid var(--primary-color);
}

.placeholder-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
    text-align: center;
    color: #7a776f;
}

.placeholder-box .icon { font-size: 32px; margin-bottom: 8px; }
.placeholder-box .text { font-size: 14px; font-weight: 500; }
.placeholder-box .path { font-family: monospace; font-size: 11px; margin-top: 5px; color: var(--accent-color); }

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

.card-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.category-badge {
    background-color: var(--accent-color);
    color: white;
    font-size: 11px;
    text-transform: uppercase;
    padding: 3px 8px;
    align-self: flex-start;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.card-body h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 22px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.meta-info {
    font-size: 13px;
    color: #777;
    margin-bottom: 15px;
    text-transform: uppercase;
    font-weight: 500;
}

.card-desc {
    font-size: 14px;
    color: #555;
    margin-bottom: 20px;
    flex-grow: 1;
}

.btn-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

.btn-link:hover {
    color: var(--primary-color);
}

/* Tarjeta Placeholder de Expansión */
.placeholder-card {
    background-color: transparent;
    border: 2px dashed var(--border-color);
    box-shadow: none;
}

.flex-center {
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #777;
}

.icon-big { font-size: 40px; margin-bottom: 15px; color: var(--border-color); }
.small-info { font-size: 12px; margin-top: 10px; font-style: italic; }

/* Sección Informativa Inferior */
.dark-section {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 40px 0;
    border-top: 4px solid var(--accent-color);
}

.dark-section h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.dark-section p {
    font-weight: 300;
    color: #b0b5b2;
    max-width: 900px;
}

/* Pagina de Detalle (obra.php) */
.back-btn {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 25px;
    font-size: 15px;
}

.back-btn:hover { color: var(--accent-color); }

.detail-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.detail-header {
    margin-bottom: 30px;
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 20px;
}

.detail-header h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-top: 5px;
}

.detail-sub {
    font-size: 16px;
    color: #666;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .detail-layout { grid-template-columns: 1fr; }
    .header-flex { flex-direction: column; text-align: center; }
    .site-nav { margin-top: 15px; }
    .site-nav a { margin: 0 10px; }
}

.big-placeholder {
    background-color: #e2dfd5;
    height: 100%;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
    color: #555;
    border: 1px solid var(--border-color);
}

.icon-large { font-size: 50px; margin-bottom: 15px; }
.big-placeholder code {
    background-color: #ffffff;
    padding: 4px 10px;
    margin-top: 10px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    color: var(--accent-color);
}

.main-obra-img {
    width: 100%;
    height: auto;
    border: 2px solid var(--primary-color);
}

.analysis-box h3, .specs-box h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
}

.specs-box { margin-top: 30px; }

.analysis-paragraph {
    font-size: 15px;
    color: #444;
    text-align: justify;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table td {
    padding: 10px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.spec-label {
    width: 35%;
    color: var(--primary-color);
}

/* Footer */
.site-footer {
    background-color: #111;
    color: #777;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
    border-top: 1px solid #222;
}

.footer-content p { margin-bottom: 5px; }
.sub-footer { font-size: 12px; color: #555; }

/* --- VISOR 360 --- */
.btn-360 {
    margin-top: 15px;
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 10px 15px;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-360:hover {
    background-color: var(--accent-color);
}

.modal-oculto {
    display: none; 
    position: fixed; 
    z-index: 9999; 
    left: 0; 
    top: 0; 
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.95);
}

.modal-contenido {
    position: relative; 
    margin: auto; 
    top: 5%; 
    width: 90%; 
    height: 85%; 
    box-shadow: 0 4px 20px rgba(0,0,0,1);
    border: 2px solid var(--accent-color);
}

#panorama-container {
    width: 100%; 
    height: 100%; 
}

.cerrar-modal {
    position: absolute; 
    top: -40px; 
    right: 0; 
    color: #ffffff; 
    font-size: 40px; 
    font-family: monospace;
    cursor: pointer;
    transition: color 0.3s ease;
}

.cerrar-modal:hover {
    color: var(--accent-color);
}