:root {
    --bg-color: #FFFFFF;
    --text-primary: #001711;
    --text-secondary: rgba(0, 23, 17, 0.6);
    --accent: #00A7E1;
    --border-color: rgba(0, 23, 17, 0.1);
    
    --font-main: 'Outfit', sans-serif;
    --font-code: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--text-primary);
    display: inline-block;
    padding-bottom: 0.5rem;
}

/* Layout */
section {
    padding: 8rem 10%;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border-radius: 0;
}

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

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

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

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

.btn.small {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    margin-top: 1rem;
}

.btn.small:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-color);
}

/* Hero */
.hero {
    text-align: left;
    align-items: flex-start;
}

.greeting {
    font-family: var(--font-code);
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.hero-content h1 {
    font-size: 5rem;
    letter-spacing: -2px;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

/* About */
.about-content {
    font-size: 1.4rem;
    color: var(--text-secondary);
    max-width: 800px;
    line-height: 1.8;
}

/* Skills */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    font-family: var(--font-code);
    font-size: 1.1rem;
    padding: 1rem 2rem;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.skill-item:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Projects */
.project-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.project-item {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    max-width: 800px;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-header h3 {
    font-size: 2rem;
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
}

.tech-stack span {
    font-family: var(--font-code);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background: var(--text-primary);
    color: var(--bg-color);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Contact */
.contact-links {
    display: flex;
    gap: 2rem;
}

.social-link {
    font-family: var(--font-code);
    font-size: 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    padding-bottom: 0.2rem;
    transition: all 0.2s ease;
}

.social-link:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .nav-links {
        display: none; 
    }
    
    .section-title {
        font-size: 2rem;
    }

    section {
        padding: 5rem 10%;
    }
}