/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #333;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

nav a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover,
nav a:focus {
    color: #0066cc;
}

nav a:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

nav a.active {
    color: #0066cc;
    border-bottom: 2px solid #0066cc;
}

/* Main content */
main {
    padding-top: 58px;
    background-color: #fff;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

section {
    padding: 4rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Hero section */
#hero {
    padding: 6rem 2rem;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.5)), url('../resources/banner.jpg') center/cover no-repeat;
    color: #fff;
    max-width: 100%;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.profile-pic {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-text {
    text-align: left;
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: #0066cc;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover,
.hero-cta:focus {
    background: #0052a3;
    transform: translateY(-2px);
}

.hero-cta:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Section headings */
h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #222;
}

/* About section */
.about-list {
    margin-top: 1.5rem;
    padding-left: 0;
    list-style: none;
}

.about-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.about-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: #0066cc;
    border-radius: 50%;
}

/* Projects grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.project-card {
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-left: 4px solid #0066cc;
    border-radius: 8px;
    transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.project-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-left-color: #0052a3;
}

.project-card h3 {
    margin-bottom: 0.75rem;
    color: #333;
}

.project-card p {
    margin-bottom: 1rem;
    color: #666;
}

.project-link {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
}

.project-link:hover,
.project-link:focus {
    text-decoration: underline;
}

.project-link:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

/* Contact section */
#contact {
    text-align: center;
    background: #f8f9fa;
    max-width: 100%;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 2rem;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-left: 4px solid #0066cc;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    color: #333;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    min-width: 140px;
}

.contact-item:hover,
.contact-item:focus {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border-left-color: #0052a3;
}

.contact-item:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

.contact-item svg {
    width: 32px;
    height: 32px;
    fill: #0066cc;
}

.contact-item span {
    font-weight: 500;
    font-size: 0.95rem;
}

.copyright {
    margin-top: 3rem;
    font-size: 0.75rem;
    color: #999;
}

/* Responsive */
@media (max-width: 600px) {
    nav {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-content {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }

    .hero-text {
        text-align: center;
    }

    .profile-pic {
        width: 140px;
        height: 140px;
    }

    #hero h1 {
        font-size: 2rem;
    }

    .contact-grid {
        gap: 1rem;
    }

    .contact-item {
        padding: 1rem 1.5rem;
        min-width: 120px;
    }
}

/* Print styles */
@media print {
    body {
        background: #fff;
        color: #000;
    }

    header {
        position: static;
        box-shadow: none;
    }

    main {
        padding-top: 0;
        box-shadow: none;
        max-width: 100%;
    }

    #hero {
        background: #f0f0f0;
        color: #000;
        padding: 2rem;
    }

    #hero h1,
    .tagline {
        text-shadow: none;
    }

    .hero-cta {
        display: none;
    }

    .profile-pic {
        border-color: #333;
        box-shadow: none;
    }

    .project-card {
        break-inside: avoid;
        box-shadow: none;
    }

    .contact-item {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .contact-item svg {
        fill: #000;
    }

    a {
        color: #000;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }

    .copyright {
        color: #666;
    }
}