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

:root {
    --bg-color: #0a0a0a;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent-color: #00b4d8;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --grid-color: rgba(255, 255, 255, 0.03);
    --transition: all 0.3s ease;
}

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

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

/* Grid Background */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
}

h1, h2, h3 {
    font-weight: 700;
}

.accent {
    color: var(--accent-color);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

.nav-links a:hover {
    color: var(--text-main);
}

.nav-links a.active {
    color: var(--accent-color);
}

.btn-contact {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--accent-color);
    color: #fff;
}

/* Hero Section */
.hero {
    text-align: center;
    padding-top: 12rem;
    position: relative;
}

.hero-profile {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin-bottom: 2rem;
    border: 4px solid var(--card-border);
    object-fit: cover;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.hero p.subtitle {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero p.bio {
    max-width: 600px;
    margin: 0 auto 3rem;
    color: var(--text-muted);
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: var(--accent-color);
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 180, 216, 0.3);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--accent-color);
}

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

/* Services / Skills Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 3rem 2rem;
    border-radius: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Projects Section */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-color);
}

.project-img {
    width: 100%;
    height: 250px;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input, .form-group textarea {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 12px;
    color: #fff;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.btn-submit {
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    opacity: 0.9;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--card-border);
    text-align: center;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--accent-color);
}

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

/* Responsive */
@media (max-width: 992px) {
    .about-content, .contact-container {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    section {
        padding: 5rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}