:root {
    /* M3 Colors - Light Theme (default) */
    --md-sys-color-primary: #0061a4;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #d1e4ff;
    --md-sys-color-on-primary-container: #001d36;
    --md-sys-color-secondary: #535f70;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #d7e3f7;
    --md-sys-color-on-secondary-container: #101c2b;
    --md-sys-color-tertiary: #6b5778;
    --md-sys-color-on-tertiary: #ffffff;
    --md-sys-color-tertiary-container: #f2daff;
    --md-sys-color-on-tertiary-container: #251431;
    --md-sys-color-error: #ba1a1a;
    --md-sys-color-on-error: #ffffff;
    --md-sys-color-outline: #73777f;
    --md-sys-color-background: #fdfcff;
    --md-sys-color-on-background: #1a1c1e;
    --md-sys-color-surface: #fdfcff;
    --md-sys-color-on-surface: #1a1c1e;
    --md-sys-color-surface-variant: #dfe2eb;
    --md-sys-color-on-surface-variant: #43474e;
    --md-sys-color-inverse-surface: #2f3033;
    --md-sys-color-inverse-on-surface: #f1f0f4;

    /* Semantic Mappings */
    --primary-color: var(--md-sys-color-primary);
    --text-color: var(--md-sys-color-on-background);
    --text-muted: var(--md-sys-color-on-surface-variant);
    --bg-color: var(--md-sys-color-background);
    --chip-bg: var(--md-sys-color-secondary-container);
    --chip-text: var(--md-sys-color-on-secondary-container);

    /* Spacing (px) */
    --space-6: 6px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;

    /* Radii (px) */
    --radius-s: 8px;
    --radius-m: 12px;
    --radius-l: 20px;
    --radius-xl: 28px;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    color: var(--text-color);
    background-color: var(--bg-color);
}

h1, h2, h3 {
    color: var(--md-sys-color-on-surface);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; border-bottom: none; padding-bottom: 0; }
h3 { font-size: 1.25rem; }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--md-sys-color-primary-container);
    text-decoration: underline;
}

.profile-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-radius: var(--radius-xl);
}

.profile-header h1 {
    margin-top: 0;
    font-weight: 500;
    color: var(--md-sys-color-on-primary-container);
}

.profile-header p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    padding: var(--space-8) var(--space-16);
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-primary);
    border-radius: var(--radius-l);
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin: 0;
    transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.action-btn:hover {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.social-links, .contact-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-12);
}

.contact-links {
    margin-top: var(--space-16);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: 1rem;
}

.chip {
    background-color: var(--chip-bg);
    color: var(--chip-text);
    padding: var(--space-6) var(--space-16);
    border-radius: var(--radius-s);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
}

.project-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.project-item {
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--radius-m);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 400px;
}

.project-title {
    font-weight: 500;
    font-size: 1.4rem;
    padding: 1.5rem;
    color: var(--md-sys-color-on-surface);
    position: relative;
    z-index: 2;
    background: linear-gradient(to bottom, rgba(253, 252, 255, 0.9), rgba(253, 252, 255, 0));
    width: 100%;
    box-sizing: border-box;
}

.project-item:has(.project-media) .project-title {
    color: #ffffff;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
}

.project-details-card {
    background-color: var(--md-sys-color-surface);
    margin: auto var(--space-12) var(--space-12) var(--space-12);
    padding: 1rem;
    border-radius: var(--radius-m);
    position: relative;
    z-index: 3;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.project-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-12);
    font-size: 0.85rem;
}

.project-links a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-6) var(--space-12);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--radius-s);
    color: var(--md-sys-color-primary);
}

.project-links a:hover {
    background-color: var(--md-sys-color-primary-container);
    text-decoration: none;
}

.link-text {
    padding-right: var(--space-8);
}

.social-links i, .contact-links i, .project-links i, .project-title i, .action-btn i {
    margin-right: var(--space-8);
}

/* Remove extra spacing when link contains icon only */
.social-links a:has(i:only-child) i,
.contact-links a:has(i:only-child) i,
.project-links a:has(i:only-child) i,
.action-btn:has(i:only-child) i {
    margin-right: 0;
}

/* Footer */
.site-footer {
    margin-top: 4rem;
    padding: 3rem 1rem;
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-radius: var(--radius-xl);
    text-align: center;
}

.site-footer .contact-links {
    justify-content: center;
}

.site-footer .contact-links a {
    border: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.footer-meta {
    margin-top: var(--space-16);
    color: var(--md-sys-color-on-primary);
    font-size: 0.9rem;
}

.footer-location {
    margin-top: var(--space-6);
    font-size: 0.85rem;
}

.back-link-container {
    margin-top: 3rem;
    text-align: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-radius: var(--radius-l);
    font-weight: 500;
}

.back-link:hover {
    background-color: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-secondary);
    text-decoration: none;
}

.back-link i {
    margin-right: var(--space-8);
}

section {
    margin-bottom: 3rem;
}

@media (max-width: 600px) {
    .project-list {
        grid-template-columns: 1fr;
    }
}


/* Project media (screenshots) */
.project-media {
    position: absolute;
    left: 0;
    width: 100%;
    padding-top: var(--space-12);
    z-index: 1;
    background: var(--md-sys-color-surface-variant);
}

.project-screenshot {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}


/* Header divider between social links and contacts */
.header-divider {
    height: 1px;
    border: none;
    background-color: var(--md-sys-color-outline);
    opacity: 0.4;
    margin: var(--space-16) auto;
    width: 100%;
}