/* Base Styles */
:root {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --text: #e5e7eb;
    --text-secondary: #9ca3af;
    --bg: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border: #374151;
    --white: #ffffff;
    --black: #111827;
}

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

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

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

/* Header */
header {
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

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

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

.hero-content {
    max-width: 800px;
}

.greeting {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-right: 1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Sections */
section {
    padding: 6rem 0;
    background-color: var(--bg);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
}

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

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.skill-tag {
    background-color: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.project-links {
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tag {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
    text-align: center;
    border-radius: 1rem;
    margin: 2rem auto;
    max-width: 1400px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Hover Effects */
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

.btn-outline:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

/* Image Placeholder */
.image-placeholder {
    background-color: var(--bg-tertiary);
    height: 300px;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}