/* ================================
   CASE STUDY STYLES
   Mobile-first approach
   ================================ */

/* ================================
   HERO SECTION
   ================================ */

.case-study-hero {
    position: relative;
    width: 100%;
    min-height: 60vh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    margin-top: 0; /* Cambiado: sin margen superior para que el header esté sobre la imagen */
}

.case-study-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.case-study-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.case-study-hero-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    z-index: 1;
}

.case-study-hero-content {
    position: relative;
    z-index: 2;
    padding: var(--space-xl) var(--container-padding) var(--space-lg);
    max-width: 1400px;
    width: 100%;
}

.case-study-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.case-study-subtitle {
    font-family: var(--font-secondary);
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 1.5;
    color: var(--color-text-muted);
    max-width: 600px;
}

/* ================================
   PROJECT OVERVIEW / META
   ================================ */

.case-study-overview {
    background: rgba(255, 252, 225, 0.02);
    border-top: 1px solid rgba(255, 252, 225, 0.1);
    border-bottom: 1px solid rgba(255, 252, 225, 0.1);
}

.case-study-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.case-study-meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.case-study-meta-label {
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin: 0;
}

.case-study-meta-value {
    font-family: var(--font-secondary);
    font-size: clamp(1rem, 2vw, 1.1rem);
    line-height: 1.5;
    color: var(--color-text);
    margin: 0;
}

/* ================================
   CONTENT SECTIONS
   ================================ */

.case-study-section {
    padding: var(--space-xl) var(--container-padding);
}

.case-study-section-no-padding {
    padding: 0;
}

.case-study-container {
    max-width: 900px;
    margin: 0 auto;
}

.case-study-content {
    max-width: 100%;
}

.case-study-section-title {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

/* CAMBIADO: Tamaño igual al de About y Contact */
.case-study-text {
    font-family: var(--font-secondary);
    font-size: clamp(1.15rem, 2.3vw, 1.5rem); /* Igualado a about-paragraph y contact-paragraph */
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.case-study-text:last-child {
    margin-bottom: 0;
}

/* Links inside case study text */
.case-study-text a {
    color: var(--color-accent);
    transition: color 0.3s var(--transition-smooth);
}

.case-study-text a:hover {
    color: var(--color-text);
}

.case-study-text a[target="_blank"] {
    display: inline-block;
    white-space: nowrap;
}

/* ================================
   IMAGES & FIGURES
   ================================ */

.case-study-figure {
    margin: 0;
    width: 100%;
}

.case-study-figure img {
    width: 100%;
    height: auto;
    display: block;
}

.case-study-caption {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text-muted);
    padding: var(--space-sm) var(--container-padding);
    text-align: center;
}

/* Two column image grid */
.case-study-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

/* ================================
   NAVIGATION
   ================================ */

.case-study-navigation {
    border-top: 1px solid rgba(255, 252, 225, 0.1);
    padding: var(--space-xl) var(--container-padding);
}

.case-study-nav-links {
    display: flex;
    justify-content: center;
}

.case-study-nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-secondary);
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--color-text);
    transition: color 0.3s var(--transition-smooth);
    position: relative;
}

.case-study-nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.4s var(--transition-expo);
}

.case-study-nav-link:hover {
    color: var(--color-accent);
}

.case-study-nav-link:hover::after {
    width: 100%;
}

.case-study-nav-arrow {
    font-size: 1.2em;
    transition: transform 0.3s var(--transition-smooth);
}

.case-study-nav-link:hover .case-study-nav-arrow {
    transform: translateX(-4px);
}

/* ================================
   TABLET BREAKPOINT (768px+)
   ================================ */

@media (min-width: 768px) {
    .case-study-hero {
        min-height: 70vh;
    }
    
    .case-study-meta {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .case-study-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .case-study-section {
        padding: calc(var(--space-xl) * 1.5) var(--container-padding);
    }
}

/* ================================
   DESKTOP BREAKPOINT (1024px+)
   ================================ */

@media (min-width: 1024px) {
    .case-study-hero {
        min-height: 80vh;
    }
    
    .case-study-meta {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .case-study-section {
        padding: calc(var(--space-xl) * 2) var(--container-padding);
    }
    
    .case-study-container {
        max-width: 1000px;
    }
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    .case-study-hero {
        min-height: auto;
        margin-top: 0;
    }
    
    .case-study-hero-image::after {
        display: none;
    }
    
    .case-study-section {
        padding: 20px;
    }
}

/* ================================
   THREE COLUMN GRID - EQUAL HEIGHT
   For case studies with same aspect ratio images
   ================================ */

.case-study-grid-three-equal {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    align-items: start;
}

.case-study-grid-three-equal .case-study-figure {
    display: flex;
    flex-direction: column;
}

.case-study-grid-three-equal .case-study-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Tablet: 2 columns */
@media (min-width: 768px) {
    .case-study-grid-three-equal {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 3 equal columns with same height */
@media (min-width: 1024px) {
    .case-study-grid-three-equal {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
        align-items: stretch;
    }
}

/* Remove automatic arrow for links with manual arrow */
.no-arrow-wrap::after {
    content: none !important;
}

.no-arrow-wrap {
    white-space: nowrap !important;
    color: var(--color-accent);
    position: relative;
    transition: color 0.3s var(--transition-smooth);
    vertical-align: baseline;
    line-height: 1;
}

.no-arrow-wrap::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.4s var(--transition-expo);
}

.no-arrow-wrap:hover::before {
    width: 100%;
}