/* Portfolio and resume styles. Mobile first; breakpoints are at the end.
   The --brand-* colors come from the theme in config.json (see base.html). */

:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --transition: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --tint: color-mix(in srgb, var(--brand-primary) 12%, transparent);
    --tint-border: color-mix(in srgb, var(--brand-primary) 30%, transparent);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

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

html {
    color-scheme: dark;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--brand-bg);
    color: var(--brand-text);
    font-family: var(--font-sans);
    font-size: 1rem; /* explicit, so <code> isn't shrunk by the monospace size quirk */
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg, video { display: block; max-width: 100%; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }

/* Layout */
.container {
    width: 100%;
    max-width: 72rem;
    margin-inline: auto;
    padding-inline: 1.25rem;
}

.site-main { flex: 1 0 auto; padding-block: 5.5rem 4rem; }

/* Shared: elements whose color changes on hover */
.nav-brand, .nav-link, .nav-toggle-btn, .back-link, .resume-contact-link, .footer-social-link,
.project-card-title, .project-row-title {
    transition: color var(--transition);
}

.nav-brand:hover, .back-link:hover, .resume-contact-link:hover, .footer-social-link:hover,
.project-card:hover .project-card-title, .project-row:hover .project-row-title {
    color: var(--brand-primary);
}

/* Shared: small uppercase labels */
.callout-title, .skill-category {
    color: var(--brand-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Shared: monospace metadata */
.project-card-meta, .experience-date, .edu-location {
    color: var(--brand-muted);
    font-family: var(--font-mono);
}

/* Navigation */
.site-nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    background-color: color-mix(in srgb, var(--brand-bg) 85%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--brand-border);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.nav-menu-desktop {
    display: none;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link {
    position: relative;
    padding: 0.35rem 0;
    color: var(--brand-muted);
}

.nav-link:hover, .nav-toggle-btn:hover { color: var(--brand-text); }
.nav-link.active { color: var(--brand-primary); font-weight: 600; }

.nav-menu-desktop .nav-link.active::after {
    content: "";
    position: absolute;
    inset: auto 0 -2px;
    height: 2px;
    background-color: var(--brand-primary);
    border-radius: 1px;
}

.nav-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--brand-muted);
    font-size: 1.25rem;
}

.nav-menu-mobile {
    display: none;
    padding: 0.5rem 1rem 1rem;
    background-color: var(--brand-surface);
    border-bottom: 1px solid var(--brand-border);
}

.nav-menu-mobile.open { display: block; }

.nav-menu-mobile .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.nav-menu-mobile .nav-link:hover { background-color: var(--brand-surface-hover); }
.nav-menu-mobile .nav-link.active { background-color: var(--tint); }

/* Buttons */
.btn-action, .btn-download-pdf, .btn-return {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition);
}

.btn-action:hover, .btn-download-pdf:hover, .btn-return:hover { transform: translateY(-1px); }

.btn-action-primary {
    background-color: var(--brand-primary);
    border: 1px solid var(--brand-primary);
    color: var(--brand-bg);
}

.btn-action-primary:hover { opacity: 0.9; }
.btn-action-secondary { border: 1px solid var(--brand-border); }

.btn-action-secondary:hover {
    background-color: var(--brand-surface);
    border-color: var(--brand-muted);
}

.btn-download-pdf {
    border: 1px solid var(--brand-primary);
    color: var(--brand-primary);
    white-space: nowrap;
}

.btn-download-pdf:hover { background-color: var(--tint); }

.btn-return {
    padding: 0.65rem 1.35rem;
    background-color: var(--brand-surface);
    border: 1px solid var(--brand-border);
}

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

/* Chips */
.chip, .skill-badge {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--brand-border);
    background-color: color-mix(in srgb, var(--brand-surface) 60%, transparent);
}

.chip {
    padding: 0.25rem 0.7rem;
    border-radius: 9999px;
    color: var(--brand-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
}

.chip-date, .project-badge {
    background-color: var(--tint);
    border: 1px solid var(--tint-border);
    color: var(--brand-primary);
}

.chips-row, .project-card-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

/* Home */
.hero { padding: 2rem 0 3rem; }

.hero-name {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-title {
    margin-top: 0.6rem;
    color: var(--brand-primary);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
}

.hero-location {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    color: var(--brand-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.hero-intro {
    max-width: 42rem;
    margin-top: 1.25rem;
    color: var(--brand-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.hero-socials, .footer-socials {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.hero-socials { margin-left: 0.5rem; }
.home-section { margin-bottom: 3.5rem; }

.home-section-title, .resume-section-title {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--brand-border);
    font-size: 1.35rem;
}

.featured-grid { display: grid; gap: 1.25rem; }

.project-card, .project-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
}

.project-card {
    padding: 1.25rem;
    background-color: var(--brand-surface);
    border-color: var(--brand-border);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-3px);
    border-color: var(--brand-border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.project-card-thumb {
    flex-shrink: 0;
    width: 4.5rem;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 0, 0, 0.2);
}

.project-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-card-thumb img { transform: scale(1.03); }
.project-card-body, .project-row-body { flex: 1; min-width: 0; }

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.project-card-title, .project-row-title {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.35;
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}

.project-card-meta { margin-bottom: 0.5rem; font-size: 0.75rem; }
.meta-date { white-space: nowrap; }

.project-card-summary, .project-row-summary {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    color: var(--brand-muted);
    font-size: 0.875rem;
    line-height: 1.55;
}

.project-card-tags { gap: 0.4rem; margin-top: 0.9rem; }
.project-card-tags .chip { padding: 0.15rem 0.55rem; font-size: 0.7rem; }
.project-list { display: grid; gap: 0.5rem; }

.project-row {
    padding: 0.75rem;
    transition: background-color var(--transition), border-color var(--transition);
}

.project-row:hover { background-color: var(--brand-surface); border-color: var(--brand-border); }

.project-row-thumb {
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.project-row-title { font-size: 1rem; }
.project-row .project-card-meta { margin-bottom: 0.25rem; }

.project-row-summary {
    -webkit-line-clamp: 2;
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Project page */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
    color: var(--brand-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

.project-header-section { margin-bottom: 2.5rem; }

.project-title, .resume-name {
    margin-bottom: 0.5rem;
    font-size: 2.25rem;
    line-height: 1.2;
}

.project-subtitle { color: var(--brand-muted); font-size: 1.125rem; }

.actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.project-content { margin-top: 2rem; }

.project-content h2 {
    margin: 2.75rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--brand-border);
    font-size: 1.6rem;
}

.project-content h3 {
    margin: 1.75rem 0 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.project-content p, .project-content ul {
    margin-bottom: 1.25rem;
    color: var(--brand-muted);
    line-height: 1.75;
}

.project-content ul { margin: 0 0 1.5rem 1.5rem; font-size: 0.95rem; }
.project-content li { margin-bottom: 0.4rem; }
.project-content strong { color: var(--brand-text); font-weight: 600; }

.project-content a, .experience-bullets a {
    color: var(--brand-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.project-content a:hover { opacity: 0.85; }

.project-content figure, .video-container {
    margin: 2rem auto;
    overflow: hidden;
    border: 1px solid var(--brand-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.project-content figure { background-color: var(--brand-surface); }

.project-content figure img {
    width: auto;
    height: auto;
    margin-inline: auto;
}

.project-content figcaption {
    padding: 0.5rem 0.75rem;
    background-color: var(--brand-surface);
    border-top: 1px solid var(--brand-border);
    color: var(--brand-muted);
    font-size: 0.8rem;
    text-align: center;
}

.project-content blockquote {
    margin: 1.75rem 0;
    padding: 1rem 1.25rem;
    background-color: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-left: 3px solid var(--brand-primary);
    border-radius: var(--radius-sm);
}

.project-content blockquote p { margin-bottom: 0; font-size: 0.9rem; }

.project-content code {
    padding: 0.1rem 0.35rem;
    background-color: var(--brand-surface);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875em;
}

.project-content pre {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    background-color: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.project-content pre code { padding: 0; background: none; font-size: inherit; }
.project-content hr { border: none; border-top: 1px solid var(--brand-border); }

.callout-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
    font-size: 0.75rem;
}

/* Image widths by orientation, set by build_website.py */
.max-w-sm { max-width: 24rem; }
.max-w-lg { max-width: 32rem; }
.max-w-4xl { max-width: 56rem; }

.gallery-grid {
    display: grid;
    gap: 1.25rem;
    margin: 2rem 0;
    align-items: start;
}

.gallery-grid figure { margin: 0; }
.video-container { max-width: 48rem; aspect-ratio: 16 / 9; }

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.project-return-section {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--brand-border);
    text-align: center;
}

/* Resume */
.resume-header {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2.75rem;
}

.resume-title {
    margin-bottom: 0.6rem;
    color: var(--brand-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.resume-contact-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    color: var(--brand-muted);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.resume-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.contact-separator { display: none; opacity: 0.35; }
.resume-section { margin-bottom: 2.75rem; }

.summary-text {
    color: var(--brand-muted);
    font-size: 1.1rem;
    line-height: 1.75;
}

.experience-list, .skills-container, .education-grid {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
}

.experience-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.65rem;
}

.experience-company, .edu-degree { font-size: 1.2rem; }

.experience-role, .edu-school {
    margin-top: 0.15rem;
    color: var(--brand-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

.experience-date, .edu-location {
    margin-top: 0.2rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.experience-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-left: 1.25rem;
    color: var(--brand-muted);
    font-size: 0.875rem;
}

.skills-container { gap: 1.25rem; }

.skills-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--brand-border);
}

.skills-group:last-child { padding-bottom: 0; border-bottom: none; }
.skill-category { padding-top: 0.2rem; font-size: 0.8rem; }

.skill-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.skill-badge {
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    line-height: 1.4;
    transition: border-color var(--transition), color var(--transition);
}

.skill-badge:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.education-grid { gap: 1.5rem; }

.edu-desc {
    margin-top: 0.4rem;
    color: var(--brand-muted);
    font-size: 0.875rem;
}

/* Footer */
.site-footer { padding: 2rem 0; border-top: 1px solid var(--brand-border); }

.footer-inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
}

.footer-copyright { color: var(--brand-muted); font-size: 0.875rem; }
.footer-social-link { color: var(--brand-muted); font-size: 1.2rem; }

/* Breakpoints */
@media (min-width: 640px) {
    .hero-name { font-size: 3.25rem; }
    .hero-title { font-size: 1.35rem; }
    .project-title, .resume-name { font-size: 2.5rem; }
    .project-card { gap: 1.25rem; }
    .project-card-thumb { width: 7.5rem; }
    .gallery-grid-2, .gallery-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .contact-separator { display: inline; }
}

@media (min-width: 768px) {
    .container { padding-inline: 2rem; }
    .nav-menu-desktop { display: flex; }
    .nav-toggle-btn { display: none; }
    .hero { padding: 3.5rem 0; }
    .project-list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.25rem; }
    .resume-header { flex-direction: row; align-items: center; }
    .experience-header { flex-direction: row; justify-content: space-between; align-items: baseline; }
    .skills-group { flex-direction: row; align-items: flex-start; gap: 1.5rem; }
    .skill-category { width: 22%; flex-shrink: 0; }
    .skill-badges { width: 78%; }
    .footer-inner { flex-direction: row; }
}

@media (min-width: 1024px) {
    .featured-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .gallery-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}