/* ==========================================================================
   19. CARRUSEL 3D DE PROYECTOS (NUEVO REDISEÑO)
   ========================================================================== */

.carousel-3d-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 20px 0 30px;
    margin-bottom: 0;
    perspective: 1200px;
    outline: none;
    user-select: none;
}

.carousel-3d-container {
    position: relative;
    width: 100%;
    height: 440px;
    transform-style: preserve-3d;
}

.project-3d-card {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 280px;
    height: 390px;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.6s ease, box-shadow 0.6s ease;
    background: var(--color-white);
    will-change: transform, opacity;
    margin-top: -195px; /* half of height to vertically center */
}

/* Hover effect on active card only */
.project-3d-card.active:hover {
    box-shadow: 0 25px 50px rgba(26, 92, 46, 0.4);
    transform: translateX(-50%) translateZ(20px) scale(1.02) !important;
}

.card-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
}

.card-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-3d-card.active:hover .card-bg img {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    padding: 60px 20px 20px;
    background: linear-gradient(to top, rgba(13, 34, 24, 0.95) 0%, rgba(13, 34, 24, 0.7) 60%, transparent 100%);
    color: var(--color-white);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    transition: all 0.4s ease;
}

.card-logo {
    font-family: var(--font-titles);
    font-size: 14px;
    color: var(--color-brand-gold);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.card-title {
    color: var(--color-white);
    font-size: 1.4rem;
    margin: 0;
    line-height: 1.3;
}

/* Indicador visual de Click para la tarjeta activa */
.click-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 15px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-brand-gold);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    pointer-events: none;
}

.project-3d-card.active .click-indicator {
    opacity: 1;
    transform: translateY(0);
    animation: pulse-click-box 2s infinite;
}

@keyframes pulse-click-box {
    0% { box-shadow: 0 0 0 0 rgba(232, 192, 55, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(232, 192, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(232, 192, 55, 0); }
}

.click-indicator svg {
    animation: tap-hand-icon 1.5s infinite;
}

@keyframes tap-hand-icon {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-3px) scale(0.9); }
}

/* Controles del Carrusel */
.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
    z-index: 20;
}

.carousel-btn {
    pointer-events: auto;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Contenedor de Detalles Acordeón */
.project-details-container {
    max-width: 1000px;
    margin: 0 auto 60px;
    position: relative;
}

.project-detail-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    padding: 40px;
    margin-top: 20px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transform: translateY(-20px);
    transition: opacity 0.5s ease, max-height 0.6s cubic-bezier(0, 1, 0, 1), transform 0.5s ease;
    pointer-events: none;
    position: absolute;
    width: 100%;
}

.project-detail-content.open {
    opacity: 1;
    max-height: 2000px;
    transform: translateY(0);
    pointer-events: auto;
    position: relative;
    transition: opacity 0.5s ease, max-height 0.8s ease-in-out, transform 0.5s ease;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--color-soft-bg);
    padding-bottom: 15px;
}

.detail-header h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin: 0;
}

.close-detail {
    background: #fcece9;
    color: #d9534f;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.close-detail:hover {
    background: #d9534f;
    color: white;
    transform: rotate(90deg);
}

.detail-body p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-dark);
    margin-bottom: 15px;
}

.detail-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.styled-list {
    list-style: none;
    padding: 0;
}

.styled-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.styled-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-mint);
    font-weight: bold;
}

@media (max-width: 991px) {
    .detail-columns {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}
@media (max-width: 768px) {
    .project-3d-card {
        width: 260px;
        height: 350px;
    }
}

/* Typography Spacing */
h1, h2, h3, .card-title {
    letter-spacing: 0.5px;
}
.section-subtitle {
    letter-spacing: 2px !important;
}

/* ==========================================================================
   20. DETALLE DE PROYECTOS — COMPONENTES VISUALES PREMIUM
   ========================================================================== */

/* Tag / etiqueta de encabezado */
.detail-tag {
    display: inline-block;
    background: var(--color-soft-bg);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 8px;
    border: 1px solid rgba(26,92,46,0.15);
}

/* Hero image con overlay de pills */
.detail-hero-img {
    position: relative;
    width: 100%;
    height: 260px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 28px;
}
.detail-hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.detail-hero-img:hover img {
    transform: scale(1.04);
}
.detail-hero-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(13,34,24,0.75) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
}
.detail-stat-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.stat-pill {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}
.stat-pill strong {
    color: var(--color-brand-gold);
}

/* Photo grid 3 columns */
.detail-photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 28px;
    border-radius: var(--radius-md);
    overflow: hidden;
}
.detail-photo-grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: transform 0.4s ease;
}
.detail-photo-grid img:hover {
    transform: scale(1.04);
}

/* Two column layout */
.detail-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 28px;
}

/* Column title with icon */
.detail-col-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-bottom: 18px;
    font-family: var(--font-body);
    font-weight: 700;
}
.col-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Check list with icons */
.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.check-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.check-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: #e8f5ec;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}
.check-list li div strong {
    display: block;
    font-weight: 700;
    color: var(--color-text-dark);
    font-size: 14px;
    margin-bottom: 2px;
}
.check-list li div p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Steps list */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}
.step-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: var(--gradient-btn);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-titles);
}
.step-item div strong {
    display: block;
    font-weight: 700;
    font-size: 14px;
    color: var(--color-text-dark);
    margin-bottom: 2px;
}
.step-item div p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin: 0;
}

/* CTA box */
.detail-cta-box {
    background: linear-gradient(135deg, #e8f5ec, #f5fdf7);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    border-left: 4px solid var(--color-primary);
}
.detail-cta-box p {
    font-size: 14px;
    color: var(--color-text-dark);
    margin-bottom: 14px;
    font-weight: 500;
}
.detail-cta-box .btn {
    gap: 8px;
    font-size: 14px;
    padding: 10px 20px;
}

/* Impact numbers card */
.detail-impact-card {
    background: linear-gradient(135deg, var(--color-soft-bg), #f0f9f3);
    border-radius: var(--radius-md);
    padding: 22px;
    border: 1px solid rgba(26,92,46,0.1);
}
.detail-impact-card h4 {
    color: var(--color-primary);
    font-size: 1rem;
    margin-bottom: 18px;
    font-family: var(--font-body);
    font-weight: 700;
    letter-spacing: 0.5px;
}
.impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.impact-item {
    text-align: center;
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    box-shadow: var(--shadow-sm);
}
.impact-num {
    display: block;
    font-family: var(--font-titles);
    font-size: 1.8rem;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}
.impact-label {
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Partner chip grid */
.partner-logos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}
.partner-chip {
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--color-primary);
}
.partner-chip strong {
    display: block;
    font-size: 13px;
    color: var(--color-text-dark);
    font-weight: 700;
}
.partner-chip span {
    font-size: 11px;
    color: var(--color-text-muted);
}

/* Quote box */
.detail-quote-box {
    background: var(--color-soft-bg);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 22px;
    margin-bottom: 0;
}
.detail-quote-box p {
    font-size: 15px;
    font-style: italic;
    color: var(--color-text-dark);
    line-height: 1.7;
    margin: 8px 0;
}
.detail-quote-box span {
    font-size: 12px;
    color: var(--color-text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Highlight strip */
.detail-highlight-strip {
    display: flex;
    gap: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 20px 0 28px;
    background: linear-gradient(90deg, #e8f5ec, #f5fdf7);
}
.detail-highlight-strip span {
    flex: 1;
    text-align: center;
    padding: 14px 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    border-right: 1px solid rgba(26,92,46,0.1);
}
.detail-highlight-strip span:last-child {
    border-right: none;
}

/* Circular model for CESAL */
.circular-model {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.circular-step {
    flex: 1;
    min-width: 80px;
    text-align: center;
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    box-shadow: var(--shadow-sm);
}
.c-num {
    display: block;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00695c, #00897b);
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    line-height: 28px;
    margin: 0 auto 6px;
}
.circular-step strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 3px;
}
.circular-step p {
    font-size: 11px;
    color: var(--color-text-muted);
    margin: 0;
}
.c-arrow {
    color: var(--color-primary);
    font-size: 20px;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 900px) {
    .detail-two-col {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .detail-photo-grid {
        grid-template-columns: 1fr 1fr;
    }
    .detail-photo-grid img:last-child {
        grid-column: 1 / -1;
    }
    .impact-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 600px) {
    .detail-photo-grid {
        grid-template-columns: 1fr;
    }
    .detail-highlight-strip {
        flex-direction: column;
    }
    .detail-highlight-strip span {
        border-right: none;
        border-bottom: 1px solid rgba(26,92,46,0.1);
    }
    .circular-model {
        flex-direction: column;
    }
    .c-arrow {
        transform: rotate(90deg);
    }
}