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

:root {
    --primary-teal: #14b8a6;
    --dark-teal: #0d9488;
    --light-teal: #5dd6c4;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-gray: #475569;
    --border-color: #e2e8f0;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--dark-teal) 100%);
    color: white;
    text-align: center;
    padding: 100px 20px;
    margin-bottom: 60px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 5px;
}

.hero .location {
    font-size: 1rem;
    opacity: 0.9;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section Styles */
section {
    margin-bottom: 80px;
}

section h2 {
    font-size: 2rem;
    color: var(--primary-teal);
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-teal);
}

/* About Section */
.about {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.about p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.project-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.15);
    border-color: var(--primary-teal);
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.project-description {
    color: var(--text-gray);
    margin-bottom: 20px;
    flex-grow: 1;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-tag {
    background-color: var(--light-teal);
    color: var(--dark-teal);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-teal);
    color: white;
}

.btn-primary:hover {
    background-color: var(--dark-teal);
    transform: scale(1.05);
}

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

.btn-secondary:hover {
    background-color: var(--primary-teal);
    color: white;
}

/* Contact Section */
.contact {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--bg-light);
    border-radius: 12px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
    margin-top: 40px;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.contact-link:hover {
    border-color: var(--primary-teal);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(20, 184, 166, 0.1);
}

.contact-link svg {
    color: var(--primary-teal);
}

.contact-link span {
    font-weight: 500;
    font-size: 1.125rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-gray);
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1.25rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .project-links {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .about p {
        font-size: 1rem;
    }
}