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

:root {
    --bg-primary: #0a0c10;
    --bg-secondary: #12161f;
    --accent-blue: #00d4ff;
    --accent-indigo: #7000ff;
    --text-main: #f0f0f0;
    --text-muted: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-indigo), var(--accent-blue));
    border-radius: 10px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

h1, h2, h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(112, 0, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 100% 0%, rgba(0, 212, 255, 0.05) 0%, transparent 40%);
    z-index: -1;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    opacity: 0.8;
}

.nav-links a:hover {
    color: var(--accent-blue);
    opacity: 1;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 5rem);
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--text-main) 0%, var(--accent-blue) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 2rem;
}

.hero-intro {
    max-width: 600px;
    font-size: 1.1rem;
    color: var(--text-main);
    opacity: 0.9;
}

/* Glass Card */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

/* Sections */
section {
    padding: 100px 10%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.section-title span {
    color: var(--accent-blue);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.portfolio-card h3 {
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.portfolio-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.btn-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--accent-blue);
    color: #000;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.btn-link:hover {
    background: #fff;
    transform: scale(1.05);
}

/* Technical Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

/* Footer */
footer {
    padding: 100px 10% 50px;
    background: #050608;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-info h4 {
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1.5rem 5%;
    }
    .nav-links {
        display: none;
    }
    section {
        padding: 60px 5%;
    }
    .hero h1 {
        font-size: 3rem;
    }
}