@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --primary-color: #ff2a2a;
    --primary-hover: #bf0000;
    --secondary-color: #aa0000;
    --bg-color: #080808;
    --card-bg: rgba(15, 10, 10, 0.6);
    --card-border: rgba(255, 42, 42, 0.15);
    --text-main: #fdfdfd;
    --text-muted: #a8a8a8;
    --divider-color: rgba(255, 42, 42, 0.05);

    /* Tags */
    --tag-prod: #ff2a2a;
    --tag-dev: #ffaa00;
    --tag-proto: #aa0000;
}

html {
    background: radial-gradient(circle at top left, #1a0505, var(--bg-color) 60%),
                radial-gradient(circle at bottom right, #1a0808, var(--bg-color) 60%);
    background-attachment: fixed;
    background-color: var(--bg-color);
    min-height: 100vh;
}

body {
    background: transparent;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    line-height: 1.6;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

header {
    background: rgba(15, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 15px 50px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.7);
}

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

header h1 {
    font-weight: 800;
    font-size: 3rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
    letter-spacing: -1px;
}

header h2 {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 1.2rem;
    margin: 10px 0 0 0;
}

header h3 {
    color: var(--primary-color);
    font-weight: 400;
    font-size: 1rem;
    margin: 5px 0 0 0;
}

main {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

main > h3 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
}

.filter-container {
    text-align: center;
    margin-bottom: 50px;
}

.filter-container button {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 12px 25px;
    margin: 0 10px;
    border-radius: 30px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.filter-container button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 42, 42, 0.2);
    border-color: rgba(255, 42, 42, 0.5);
}

.filter-container button.active {
    background: linear-gradient(45deg, var(--primary-hover), var(--secondary-color));
    border: none;
    color: #fff;
    box-shadow: 0 4px 20px rgba(170, 0, 0, 0.4);
}

/* Glassmorphism Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.project-window {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-window::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-window:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 42, 42, 0.1);
    border-color: rgba(255, 42, 42, 0.3);
}

.project-window:hover::before {
    opacity: 1;
}

.project-window .top-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.production { background: rgba(255, 42, 42, 0.15); color: var(--tag-prod); border: 1px solid var(--tag-prod); }
.in-development { background: rgba(255, 170, 0, 0.15); color: var(--tag-dev); border: 1px solid var(--tag-dev); }
.prototype { background: rgba(170, 0, 0, 0.15); color: var(--tag-proto); border: 1px solid var(--tag-proto); }

.project-window img, .project-window video {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
    aspect-ratio: 16/9;
    object-fit: contain;
    background: rgba(0,0,0,0.3);
    transition: transform 0.5s ease;
}

.project-window:hover img, .project-window:hover video {
    transform: scale(1.05);
}

.project-window h4 {
    color: #fff;
    font-size: 1.5rem;
    margin: 0 0 5px 0;
    font-weight: 600;
}

.studio {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-top: 0;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.project-window p {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 20px;
}

.project-window p strong {
    color: var(--text-main);
}

.project-actions {
    margin-top: auto;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    padding-top: 15px;
}

.cta-btn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.95rem;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    white-space: nowrap;
}

.cta-btn.primary {
    background: linear-gradient(45deg, var(--primary-hover), var(--secondary-color));
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 42, 42, 0.3);
}

.cta-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 42, 42, 0.5);
    filter: brightness(1.2);
    color: #fff;
}

.cta-btn.secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--primary-hover);
}

.cta-btn.secondary:hover {
    background: rgba(255, 42, 42, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 42, 42, 0.2);
    color: #fff;
}

.sobre-mi {
    margin: 60px auto;
    max-width: 800px;
    text-align: center;
    background: rgba(255,255,255,0.02);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.sobre-mi h3 {
    font-size: 2.2rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 0;
}

.sobre-mi p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

footer {
    background: rgba(0, 0, 0, 0.4);
    padding: 40px;
    text-align: center;
    border-top: 1px solid var(--card-border);
}

footer h3 {
    margin-top: 0;
    color: #fff;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 15px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--secondary-color);
}

/* Case Study Pages Overhaul */
.case-study-body {
    background: radial-gradient(circle at top right, #1a0505, var(--bg-color) 70%);
}

.back-link {
    display: inline-block;
    margin: 30px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    font-weight: 600;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255, 42, 42, 0.2);
}

.case-study-header {
    text-align: center;
    margin-bottom: 60px;
}

.case-study-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.case-study-section {
    max-width: 1000px;
    margin: 0 auto 60px auto;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    backdrop-filter: blur(15px);
}

.case-study-section h2 {
    color: #fff;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 15px;
    margin-bottom: 30px;
    font-size: 2rem;
}

.video-container {
    max-width: 1000px;
    margin: 0 auto 60px auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid var(--card-border);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.metrics-grid, .tech-grid, .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.metric, .tech-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--card-border);
    text-align: center;
    transition: transform 0.3s ease;
}

.metric:hover, .tech-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.metric h3, .tech-item h3 {
    color: var(--primary-color);
    margin-top: 0;
    font-size: 1.3rem;
}

/* Slider Overhaul */
.slider-container {
    position: relative;
    width: 100%;
    border-radius: 15px;
    overflow: hidden;
    padding: 10px 0;
}

.slider-wrapper {
    overflow: hidden;
    padding: 10px;
}

.slider {
    display: flex;
    gap: 20px;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.slide {
    flex: 0 0 calc((100% / 3) - (40px / 3));
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
    border: 1px solid var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.slide:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    border-color: var(--primary-color);
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: rgba(0,0,0,0.8);
    display: block;
}

.slider-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    color: #fff;
    padding: 0;
    cursor: pointer;
    border-radius: 50%;
    z-index: 10;
    width: 50px;
    height: 50px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.slider-button:hover {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 20px var(--primary-color);
}

.slider-button.prev { left: 10px; }
.slider-button.next { right: 10px; }

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.95);
    backdrop-filter: blur(10px);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 1200px;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 10px;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    border: 1px solid var(--card-border);
}

.close-button {
    position: absolute;
    top: 30px; right: 40px;
    color: #fff;
    font-size: 50px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-button:hover {
    color: var(--primary-color);
}

@media (max-width: 900px) {
    header {
        flex-direction: column;
        padding: 20px;
    }
    header h1 {
        font-size: 2.5rem;
    }
    .slide {
        flex: 0 0 calc(100% - 20px);
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
}