:root {
    --bg-color: #05050a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.4);
    --accent-hover: rgba(59, 130, 246, 0.1);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

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

h1, h2, h3 { font-weight: 800; line-height: 1.2; }
.highlight { color: var(--accent); text-shadow: 0 0 20px var(--accent-glow); }

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(5, 5, 10, 0.5);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}
.logo { font-size: 2rem; font-weight: 800; letter-spacing: -1px; }
.logo .dot { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
}
.nav-links a:hover { color: var(--accent); }

.lang-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    border-radius: 5px;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.9rem;
    margin-left: 1rem;
}
.lang-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

#color-picker {
    appearance: none;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    background: transparent;
    padding: 0;
    margin-left: 0.5rem;
    vertical-align: middle;
}
#color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}
#color-picker::-webkit-color-swatch {
    border: 2px solid var(--card-border);
    border-radius: 50%;
}

.section { padding: 8rem 5% 4rem; max-width: 1400px; margin: 0 auto; }


.hero { height: 100vh; display: flex; align-items: center; position: relative; }
.hero-content { max-width: 800px; }
.subtitle { color: var(--accent); font-size: 1.2rem; margin-bottom: 1rem; letter-spacing: 2px; text-transform: uppercase; }
.title { font-size: 5rem; margin-bottom: 1.5rem; }
.description { font-size: 1.5rem; color: var(--text-secondary); margin-bottom: 3rem; }

.cta-buttons { display: flex; gap: 1.5rem; }
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn.primary { background: var(--accent); color: white; box-shadow: 0 0 20px var(--accent-glow); }
.btn.primary:hover { transform: translateY(-3px); box-shadow: 0 0 30px var(--accent-glow); }
.btn.secondary { background: transparent; color: white; border: 1px solid var(--card-border); backdrop-filter: blur(5px); }
.btn.secondary:hover { background: rgba(255,255,255,0.05); transform: translateY(-3px); border-color: var(--accent); }


.section-title { font-size: 3.5rem; margin-bottom: 4rem; text-align: center; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 2.5rem; }

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.project-card:hover { transform: translateY(-10px); border-color: var(--accent); box-shadow: 0 10px 30px var(--accent-hover); }

.card-image { position: relative; width: 100%; height: 250px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .card-image img { transform: scale(1.05); }

.overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(5,5,10,0.5);
    display: flex; justify-content: center; align-items: center;
    opacity: 0; transition: var(--transition);
}
.project-card:hover .overlay { opacity: 1; }

.play-btn {
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--accent); color: white;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.5rem; text-decoration: none;
    transform: scale(0.5); transition: var(--transition);
}
.project-card:hover .play-btn { transform: scale(1); box-shadow: 0 0 20px var(--accent-glow); }

.card-content { padding: 2rem; }
.card-content h3 { font-size: 1.8rem; margin-bottom: 1rem; }
.card-content p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 1rem; }
.tags { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.tags span {
    padding: 0.4rem 1rem; border-radius: 20px;
    background: rgba(255,255,255,0.05); font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
}


footer { text-align: center; padding: 6rem 5% 3rem; background: transparent; margin-top: 5rem; border-top: 1px solid var(--card-border); }
footer h2 { font-size: 2.5rem; margin-bottom: 2rem; }
.socials { display: flex; justify-content: center; gap: 2rem; margin-bottom: 3rem; }
.socials a { color: var(--text-secondary); font-size: 2rem; transition: var(--transition); }
.socials a:hover { color: var(--accent); transform: translateY(-5px); }
footer p { color: rgba(255,255,255,0.3); font-size: 0.9rem; }

@media (max-width: 768px) {
    .title { font-size: 3rem; }
    .description { font-size: 1.2rem; }
    .cta-buttons { flex-direction: column; }
    .nav-links { display: none; }
}