/* Chayce O'Neal — Personal Site */
/* Design system: Clean, warm, settled expert */

/* ─── Variables ───────────────────────────────────────────── */
:root {
    --bg-primary:      #FAF8F5;
    --bg-surface:      #FFFFFF;
    --text-primary:    #1A1A17;
    --text-secondary:  #6A6A64;
    --border-color:    #E4E0D9;
    --accent:          #2C5530;
    --accent-hover:    #3D6B42;
    --accent-subtle:   rgba(44, 85, 48, 0.08);
    --font-serif:      'Fraunces', Georgia, serif;
    --font-sans:       'DM Sans', system-ui, -apple-system, sans-serif;
    --max-width:       760px;
}

/* System dark (unless manually set to light) */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary:    #141412;
        --bg-surface:    #1E1E1B;
        --text-primary:  #F0EDE8;
        --text-secondary:#8A8A84;
        --border-color:  #2C2C28;
        --accent:        #6BAF72;
        --accent-hover:  #7EC487;
        --accent-subtle: rgba(107, 175, 114, 0.12);
    }
}

/* Manual dark override */
:root[data-theme="dark"] {
    --bg-primary:    #141412;
    --bg-surface:    #1E1E1B;
    --text-primary:  #F0EDE8;
    --text-secondary:#8A8A84;
    --border-color:  #2C2C28;
    --accent:        #6BAF72;
    --accent-hover:  #7EC487;
    --accent-subtle: rgba(107, 175, 114, 0.12);
}

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

/* ─── Base ────────────────────────────────────────────────── */
body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    padding: 56px 2rem 2rem; /* top = nav height */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#main-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ─── Horizontal Nav ──────────────────────────────────────── */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 56px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.nav-brand {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.75rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-links a.nav-contact {
    color: var(--accent);
    font-weight: 600;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle {
    background: none;
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.nav-mobile-btn {
    display: none;
    background: none;
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.35rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.nav-mobile-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
    padding: 5rem 0 4rem;
    border-bottom: 1px solid var(--border-color);
}

.hero-heading {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5.5vw, 3.75rem);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin-bottom: 2rem;
    max-width: 700px;
}

.hero-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.hero-lineage {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.hero-location {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 500;
}

/* ─── Sections ────────────────────────────────────────────── */
.section {
    padding: 2.75rem 0;
    border-bottom: 1px solid var(--border-color);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section:last-of-type {
    border-bottom: none;
}

.section h2 {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.section p {
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.section p:last-child {
    margin-bottom: 0;
}

/* ─── Skill List ──────────────────────────────────────────── */
.skill-list {
    list-style: none;
    padding-left: 0;
    margin-top: 0.25rem;
}

.skill-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.65rem;
    color: var(--text-primary);
    line-height: 1.65;
}

.skill-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.58em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent);
    flex-shrink: 0;
}

/* ─── Typography Utilities ────────────────────────────────── */
.lead {
    font-size: 1.12rem;
    color: var(--text-secondary);
    font-weight: 400;
}

blockquote {
    border-left: 3px solid var(--accent);
    color: var(--text-secondary);
    font-style: italic;
    padding: 0.75rem 1.5rem;
    margin: 2rem 0;
    background: transparent;
}

.pull-quote {
    font-family: var(--font-serif);
    color: var(--accent);
    font-size: 1.25rem;
    font-weight: 600;
    font-style: italic;
    text-align: left;
    margin: 2.5rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    line-height: 1.5;
}

.time-badge {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 0.2rem 0.65rem;
    border-radius: 3px;
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
    font-family: var(--font-sans);
}

.reading-time {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ─── Contact ─────────────────────────────────────────────── */
.contact-links {
    display: flex;
    gap: 0.875rem;
    margin-top: 1.75rem;
    flex-wrap: wrap;
}

.contact-btn {
    padding: 0.65rem 1.35rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    display: inline-flex;
    align-items: center;
}

.contact-btn:hover {
    transform: translateY(-1px);
}

.contact-btn.linkedin {
    background-color: var(--accent);
    color: #fff;
}

.contact-btn.linkedin:hover {
    background-color: var(--accent-hover);
}

.contact-btn.email {
    background-color: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}

.contact-btn.email:hover {
    background-color: var(--accent);
    color: #fff;
}

/* ─── Link Utilities ──────────────────────────────────────── */
.back-link {
    display: inline-block;
    margin-top: 2rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

.link-highlight {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.link-highlight:hover {
    text-decoration: underline;
}

.link-contact {
    color: var(--accent);
    text-decoration: none;
    margin-top: 0.5rem;
    display: inline-block;
}

/* ─── About Photo ─────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 2rem;
    align-items: start;
}

.about-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid var(--border-color);
    display: block;
}

/* ─── Timeline ────────────────────────────────────────────── */
.timeline {
    margin-top: 0.25rem;
}

.timeline-entry {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 1.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--border-color);
    align-items: start;
}

.timeline-entry:first-child {
    padding-top: 0.25rem;
}

.timeline-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.timeline-year {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-top: 0.25rem;
    line-height: 1.4;
}

.timeline-year.now {
    color: var(--accent);
    background: var(--accent-subtle);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    display: inline-block;
    margin-top: 0;
}

.timeline-company {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 0.15rem;
    line-height: 1.2;
}

.timeline-company a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1.5px solid var(--border-color);
    transition: color 0.15s ease, border-color 0.15s ease;
}

.timeline-company a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.timeline-role {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 0.65rem;
}

.timeline-desc {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.75;
    margin-bottom: 0;
}

/* ─── Footer ──────────────────────────────────────────────── */
footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-name {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.footer-copy {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-tz {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

#footer-time {
    font-weight: 600;
    color: var(--accent);
}

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

.footer-links a {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

/* ─── Mobile Nav ──────────────────────────────────────────── */
/* (nav-mobile-btn is defined above in Horizontal Nav section) */


/* ─── Gallery ─────────────────────────────────────────────── */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1rem;
    padding: 0.5rem 0;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    background-color: var(--border-color);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* ─── Projects ────────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    padding: 0.5rem 0;
}

.project-card {
    display: block;
    background-color: var(--bg-surface);
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    text-decoration: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-subtle);
}

.project-name {
    font-family: var(--font-serif);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.project-language {
    color: var(--accent);
    font-weight: 500;
}

.project-stars {
    color: var(--text-secondary);
}

.loading-text {
    color: var(--text-secondary);
    font-style: italic;
}

/* ─── Lightbox ────────────────────────────────────────────── */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(26, 26, 23, 0.95);
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    border-radius: 4px;
    border: none;
    box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5);
    transform: scale(0.96);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.55);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.5rem;
    transition: color 0.2s;
    z-index: 20002;
}

.lightbox-close:hover {
    color: #fff;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 2.5rem;
    cursor: pointer;
    padding: 1rem;
    transition: background 0.2s, color 0.2s;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20001;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
    body {
        padding: 56px 1.5rem 2rem;
    }

    .hero {
        padding: 3.5rem 0 3rem;
    }

    .section {
        padding: 2rem 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-photo {
        width: 120px;
        height: 120px;
    }

    .timeline-entry {
        grid-template-columns: 72px 1fr;
        gap: 1rem;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .nav-mobile-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 0.5rem 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 1.5rem;
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 56px 1.25rem 1.5rem;
    }

    .hero {
        padding: 2.5rem 0 2.5rem;
    }

    .section {
        padding: 1.75rem 0;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 0.75rem;
    }

    .lightbox-nav {
        font-size: 1.75rem;
        padding: 0.5rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        font-size: 2rem;
    }
}