/* Professional Portfolio - Clean & Minimal */

:root {
    --primary: #0066cc;
    --text: #1a1a1a;
    --text-light: #666;
    --bg: #ffffff;
    --bg-alt: #f8f9fa;
    --border: #e5e5e5;
    --radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    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 {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

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

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.intro {
    color: var(--text-light);
    max-width: 500px;
    margin-bottom: 2rem;
}

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

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #0052a3;
}

.btn-secondary {
    color: var(--text);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: border-color 0.2s;
}

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

/* Photo */
.hero-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 15%;
    border: 3px solid var(--border);
}

.photo-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #0099ff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    font-weight: 700;
}

/* Sections */
.section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

/* About */
.about-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    max-width: 700px;
}

.about-content strong {
    color: var(--text);
}

.highlights {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.highlight {
    text-align: center;
}

.highlight strong {
    display: block;
    font-size: 2rem;
    color: var(--primary);
}

.highlight span {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: border-color 0.2s;
}

.project-card:hover {
    border-color: var(--primary);
}

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

.project-header h3 {
    font-size: 1.25rem;
}

.badge {
    background: #e6f3e6;
    color: #2e7d32;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-stack span {
    background: var(--bg-alt);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    color: var(--text-light);
}

.project-links {
    display: flex;
    gap: 1.5rem;
}

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

.project-links a:hover {
    text-decoration: underline;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-group h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.skill-group p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact */
.contact-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    text-decoration: none;
    color: var(--text);
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.contact-item span {
    color: var(--primary);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
    }

    .photo-placeholder {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .intro {
        max-width: none;
    }

    .hero-links {
        justify-content: center;
    }

    .highlights {
        justify-content: center;
    }

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

    .nav-links {
        display: none;
    }
}