/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --mid-gray: #2a2a2a;
    --light-gray: #cccccc;
    --red: #dc2626;
    --red-hover: #ef4444;
    --white: #f5f5f5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
}

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

/* Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--mid-gray);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--red);
}

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

.nav-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    padding-top: 80px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.tagline {
    font-size: 1.25rem;
    color: var(--light-gray);
    border-left: 3px solid var(--red);
    padding-left: 1rem;
    display: inline-block;
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--dark-gray);
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--red);
}

.about-content p {
    font-size: 1.125rem;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
    max-width: 800px;
}

/* Projects Section */
.projects {
    padding: 6rem 0;
    background-color: var(--black);
}

.projects h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--red);
}

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

.project-card {
    background-color: var(--mid-gray);
    border: 1px solid var(--mid-gray);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.project-card p {
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

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

.project-links a {
    color: var(--red);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--red);
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.project-links a:hover {
    background-color: var(--red);
    color: var(--white);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--dark-gray);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--red);
}

.contact p {
    font-size: 1.125rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
}

.email-link {
    display: inline-block;
    font-size: 1.25rem;
    color: var(--red);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--red);
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.email-link:hover {
    background-color: var(--red);
    color: var(--white);
}

/* Footer */
footer {
    background-color: var(--black);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--mid-gray);
}

footer p {
    color: var(--light-gray);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .about h2,
    .projects h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    nav {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        font-size: 0.875rem;
        gap: 0.75rem;
    }
    
    .project-links {
        flex-direction: column;
    }
}