:root {
    --bg: #050505;
    --card-bg: #0f0f0f;
    --text: #eaeaea;
    --text-muted: #888888;
    --accent: #ffffff;
    --accent-hover: #d4d4d4;
    --border: #262626;
    --border-hover: #404040;
    --spacing: 2rem;
    --radius: 8px;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

nav {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
    font-family: var(--font-mono);
}

.lang-toggle {
    font-size: 0.85rem;
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.lang-toggle:hover {
    border-color: var(--text);
    color: var(--text);
}

.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-bottom: 4rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    background: linear-gradient(to right, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h2 {
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 2.5rem;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    max-width: 600px;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: '';
    display: block;
    height: 1px;
    width: 60px;
    background: var(--border);
}

section {
    padding: 6rem 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    background: var(--accent);
    color: var(--bg);
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 50px;
    font-size: 0.95rem;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    opacity: 1;
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    margin-left: 0.8rem;
}

.btn-outline:hover {
    border-color: var(--text);
    background: rgba(255,255,255,0.05);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.skill-tag:hover {
    border-color: var(--text-muted);
    color: var(--text);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.project-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    background-color: #1a1a1a;
    border-bottom: 1px solid var(--border);
}

.project-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.tech-stack {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-bottom: 0.8rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tech-stack.large {
    font-size: 0.9rem;
    border: 1px solid var(--border);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.project-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.project-content p {
    font-size: 0.95rem;
    color: #a0a0a0;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.project-link {
    font-size: 1.2rem;
    align-self: flex-start;
    opacity: 0.5;
}

.project-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    cursor: pointer;
}

.project-card:hover .project-link {
    opacity: 1;
    transform: translateX(5px);
}

footer {
    padding: 6rem 0;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

footer p {
    margin-bottom: 2rem;
    max-width: 500px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.links .btn {
    margin-left: 0;
}

/* Project Detail Specifics */
.project-detail {
    padding-top: 4rem;
}

.back-link {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--text);
}

.project-header {
    margin-bottom: 3rem;
    max-width: 800px;
}

.project-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.1;
    letter-spacing: -1px;
}

.project-hero-image {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 60vh;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
    margin: 0 auto 4rem;
    border: 1px solid var(--border);
}

.zoomable {
    cursor: zoom-in;
}

.project-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.project-info h3, .project-gallery h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.project-info p {
    color: #ccc;
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.gallery-item {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    display: block;
    justify-self: center;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
}

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

.image-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 1000;
}

.image-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.image-modal-img {
    width: auto;
    max-width: min(1200px, 92vw);
    max-height: 86vh;
    object-fit: contain;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.image-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    border: 1px solid var(--border);
    background: rgba(15, 15, 15, 0.9);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 999px;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.image-modal-close:hover {
    border-color: var(--text);
}

.modal-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        align-items: center;
        text-align: center;
    }
    
    .hero h2 {
        margin-left: auto;
        margin-right: auto;
    }

    .projects-grid { 
        grid-template-columns: 1fr; 
    }
    
    .container {
        padding: 0 1.5rem;
    }

    .project-body {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-hero-image {
        max-height: 320px;
    }
}