/* =========================================
   BLANCO GROSSO — Project Detail Pages
   Premium Dark Theme
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&display=swap');

/* ── Variables ── */
:root {
    --bg: #050505;
    --bg-elevated: #0c0c0c;
    --surface: #121212;
    --surface-hover: #1a1a1a;
    --border: rgba(255,255,255,0.06);
    --border-light: rgba(255,255,255,0.12);
    --text: #f0f0f0;
    --text-secondary: #999;
    --text-dim: #555;
    --accent: #00ff88;
    --accent-dim: rgba(0,255,136,0.12);
    --accent-glow: rgba(0,255,136,0.06);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 16px;
    --ease: cubic-bezier(0.19, 1, 0.22, 1);
    --fast: 0.2s ease;
    --smooth: 0.4s var(--ease);
    --slow: 0.6s var(--ease);
    --max-w: 1100px;
    --pad: 2.5rem;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Nav ── */
.detail-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--pad);
    background: rgba(5,5,5,0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
}

.detail-nav-brand {
    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: -0.01em;
}

.detail-nav-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all var(--fast);
}
.detail-nav-back:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--text);
}

/* ── Project Hero ── */
.project-hero {
    padding: 8rem var(--pad) 3rem;
    max-width: var(--max-w);
    margin: 0 auto;
    animation: fadeUp 0.8s var(--ease) both;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-category {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.8rem;
    background: var(--accent-dim);
    border: 1px solid rgba(0,255,136,0.25);
    border-radius: 100px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
}

.project-date {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 500;
}

.project-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-hero-sub {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* ── Tools Stack ── */
.project-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.stack-tag {
    padding: 0.35rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    transition: all var(--fast);
}
.stack-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Cover Image ── */
.project-cover {
    max-width: var(--max-w);
    margin: 0 auto 4rem;
    padding: 0 var(--pad);
    animation: fadeUp 0.8s var(--ease) 0.2s both;
}

.project-cover img {
    width: 100%;
    border-radius: var(--radius-lg);
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* ── Project Content Sections ── */
.project-section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--pad);
    border-top: 1px solid var(--border);
}

.project-section-label {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.project-section h2 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.project-section p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    max-width: 700px;
}

/* ── Process Steps ── */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.process-step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    transition: all var(--smooth);
}
.process-step:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.process-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 1rem;
}

.process-step h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.process-step p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Gallery ── */
.project-gallery {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--pad);
    border-top: 1px solid var(--border);
}

.gallery-label {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.gallery-grid img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius);
    transition: transform 0.4s ease;
}

.gallery-grid img:hover {
    transform: scale(1.02);
}

.gallery-grid img.full-width {
    grid-column: 1 / -1;
    aspect-ratio: 21/9;
}

/* ── Project Navigation (prev/next) ── */
.project-nav {
    max-width: 100%;
    border-top: 1px solid var(--border);
    background: var(--bg-elevated);
}

.project-nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.project-nav-link {
    padding: 3rem var(--pad);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all var(--smooth);
    position: relative;
}

.project-nav-link:first-child {
    border-right: 1px solid var(--border);
}

.project-nav-link:hover {
    background: var(--surface);
}

.project-nav-label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.project-nav-title {
    font-size: 1.1rem;
    font-weight: 700;
    transition: color var(--fast);
}

.project-nav-link:hover .project-nav-title {
    color: var(--accent);
}

/* ── Footer ── */
.detail-footer {
    text-align: center;
    padding: 1.5rem var(--pad);
    border-top: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* ── Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    :root { --pad: 1.2rem; }

    .project-hero { padding-top: 6rem; }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid img.full-width {
        aspect-ratio: 16/9;
    }

    .project-nav-inner {
        grid-template-columns: 1fr;
    }

    .project-nav-link:first-child {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .process-grid {
        grid-template-columns: 1fr;
    }
}
/* =========================================
   MULTILINGUAL SUPPORT
   ========================================= */
.lang-en { display: none; }

/* When English is active */
body.lang-en-active .lang-es { display: none; }
body.lang-en-active .lang-en { display: inline; }

/* If it's a block element */
body.lang-en-active div.lang-en,
body.lang-en-active section.lang-en,
body.lang-en-active p.lang-en { display: block; }

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.lang-toggle {
    cursor: pointer;
    color: var(--text-dim);
    transition: color var(--fast);
    padding: 2px 4px;
}

.lang-toggle.active {
    color: var(--accent);
}

.lang-toggle:hover:not(.active) {
    color: var(--text);
}

/* =========================================
   NEW COMPONENTS
   ========================================= */

/* ── Comparison Slider ── */
.comparison-slider {
    position: relative;
    width: fit-content;
    max-width: 100%;
    max-height: 80vh;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--bg-elevated);
    user-select: none;
    margin: 0 auto 2rem;
}

.cs-underlay {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.cs-underlay img {
    display: block;
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    aspect-ratio: auto !important;
}

.cs-overlay {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 50%;
    overflow: hidden;
    border-right: 2px solid var(--accent);
    pointer-events: none;
    z-index: 5;
}

.cs-overlay-inner {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%; /* Set by JS */
}

.cs-overlay img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    aspect-ratio: auto !important;
}



.cs-handle {
    position: absolute;
    top: 0;
    left: 50%;
    bottom: 0;
    width: 40px;
    margin-left: -20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    cursor: ew-resize;
}

.cs-handle-inner {
    width: 4px;
    height: 100%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-handle-circle {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0,255,136,0.3);
    font-size: 1.2rem;
    font-weight: bold;
}

.cs-label {
    position: absolute;
    bottom: 1.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 5;
}
.cs-label--before { left: 1.5rem; }
.cs-label--after { right: 1.5rem; }

/* ── Prompt Terminal ── */
.prompt-terminal {
    background: #0a0a0a;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 2rem 0;
}

.pt-header {
    background: #1a1a1a;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pt-dot { width: 8px; height: 8px; border-radius: 50%; }
.pt-dot--red { background: #ff5f56; }
.pt-dot--yellow { background: #ffbd2e; }
.pt-dot--green { background: #27c93f; }

.pt-title {
    margin-left: 0.5rem;
    font-size: 0.65rem;
    font-family: 'JetBrains Mono', monospace;
    opacity: 0.5;
    letter-spacing: 0.05em;
}

.pt-content {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #00ff88;
}

.pt-line { margin-bottom: 0.5rem; }
.pt-cursor { animation: blink 1s infinite; }

@keyframes blink { 50% { opacity: 0; } }

/* ── Campaign Grid ── */
.campaign-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.cg-item {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    transition: all var(--smooth);
}
.cg-item:hover { transform: translateY(-5px); border-color: var(--accent); }

.cg-item img { width: 100%; height: auto; display: block; }

/* ── Theme Specific: Sport ── */
body[data-theme="sport"] .project-hero h1 {
    font-family: var(--font-main);
    font-weight: 800;
    text-transform: none; /* Removed uppercase for hegemony */
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    -webkit-text-stroke: 0;
    color: var(--text);
}

body[data-theme="sport"] .project-section h2 {
    font-weight: 700;
    letter-spacing: -0.01em;
}

body[data-theme="sport"] .project-section-label,
body[data-theme="sport"] .gallery-label {
    background: transparent;
    color: var(--accent);
    padding: 0;
    font-weight: 700;
    font-size: 0.62rem;
    letter-spacing: 0.2rem;
}

body[data-theme="sport"] .gallery-grid img {
    transition: all var(--smooth);
}

body[data-theme="sport"] .gallery-grid img:hover {
    transform: translateY(-5px);
    z-index: 10;
}

/* ── Gallery Scroll Styling ── */
.gallery-scroll-container::-webkit-scrollbar {
    height: 4px;
}
.gallery-scroll-container::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
}
.gallery-scroll-container::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
}

/* ── Lightbox ── */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    opacity: 0;
    transition: opacity var(--smooth);
}

.lightbox-overlay.active {
    display: flex;
    opacity: 1;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius);
    box-shadow: 0 40px 100px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform var(--smooth);
}

.lightbox-overlay.active .lightbox-img {
    transform: scale(1);
}

.zoom-cursor {
    cursor: zoom-in;
}