/* Monochrome scheme
   --charcoal: #595959 (dark)       → text, borders
   --grey: #7f7f7f      (mid)        → nav, accents
   --silver: #a5a5a5    (light)      → cards, highlights
   --silver-2: #cccccc  (base)       → page background
   --white-smoke: #f2f2f2 (lightest) → surfaces
   Original palette preserved below; switch by setting data-theme="original" on <html>.
*/
:root {
    --charcoal: #595959;
    --grey: #7f7f7f;
    --silver: #a5a5a5;
    --silver-2: #cccccc;
    --white-smoke: #f2f2f2;
    --radius: 0;

    --accent-rose: var(--silver);

    --color-text: var(--charcoal);
    --color-muted: var(--grey);
    --color-border: var(--charcoal);
    --color-bg: var(--silver-2);
    --color-surface: var(--white-smoke);
    --color-surface-alt: var(--silver);
    --color-nav-bg: var(--grey);
    --color-nav-text: var(--white-smoke);
    --color-nav-hover-bg: var(--silver);
    --color-link: var(--charcoal);
    --color-link-hover-bg: var(--accent-rose);
    --color-hero-bg: var(--silver);
    --color-accent: var(--grey);
    --color-list-bg: var(--accent-rose);
    --color-skill-bg: var(--white-smoke);
    --color-avatar-bg: var(--grey);
}

/* Original palette (previous scheme) */
:root[data-theme="original"] {
    --charcoal: #071108; /* onyx */
    --grey: #364652; /* charcoal-blue */
    --silver: #b3cbb9; /* ash-grey */
    --silver-2: #cccccc; /* base background */
    --white-smoke: #c8ffbe; /* tea-green */
    --accent-rose: #fac8cd; /* cotton-rose */

    --color-text: #071108;
    --color-muted: #364652;
    --color-border: #071108;
    --color-bg: #cccccc;
    --color-surface: #b3cbb9;
    --color-surface-alt: #c8ffbe;
    --color-nav-bg: #364652;
    --color-nav-text: #c8ffbe;
    --color-nav-hover-bg: #c8ffbe;
    --color-link: #364652;
    --color-link-hover-bg: #fac8cd;
    --color-hero-bg: #c8ffbe;
    --color-accent: #364652;
    --color-list-bg: #fac8cd;
    --color-skill-bg: #b3cbb9;
    --color-avatar-bg: #071108;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

/* Links: charcoal-blue for good contrast, pink on hover */
a {
    color: var(--color-link);
    text-decoration: none;
    border-bottom: 2px solid var(--color-link);
    transition: background 0.15s ease, color 0.15s ease;
}

a:hover {
    background: var(--color-link-hover-bg);
    color: var(--color-text);
}

/* Layout */
.layout {
    max-width: 980px;
    margin: 0 auto;
    padding: 32px 20px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
}

#content {
    grid-column: 1 / -1;
}

.site-nav {
    grid-column: 1 / -1;
    position: relative;
    z-index: 3;
}

#content {
    position: relative;
    z-index: 1;
}

#footer {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 20px;
    color: var(--color-muted);
    font-size: 14px;
}

/* Navigation: charcoal-blue bg, light text for contrast */
.site-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.site-nav a {
    display: inline-block;
    padding: 8px 14px;
    border: 2px solid var(--color-border);
    background: var(--color-nav-bg);
    color: var(--color-nav-text);
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
}

.site-nav a:hover {
    background: var(--color-nav-hover-bg);
    color: var(--color-text);
}

/* Page grid */
.page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.left-col,
.right-col {
    display: grid;
    gap: 28px;
    align-content: start;
}

/* Box: ash-grey background, onyx border */
.box {
    border: 3px solid var(--color-border);
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius);
}

/* Hero: tea-green background for emphasis */
.hero {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    background: var(--color-hero-bg);
    border: 3px solid var(--color-border);
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    font-size: 12px;
    color: var(--color-muted);
}

.header {
    margin: 0;
    font-size: 44px;
    line-height: 1;
    color: var(--color-text);
}

.tagline {
    margin: 0;
    font-size: 16px;
    color: var(--color-text);
}

/* Avatar: charcoal-blue border accent */
.avatar {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 4px solid var(--color-muted);
    background: var(--color-avatar-bg);
}

/* Headings */
h2 {
    margin: 0 0 12px 0;
    font-size: 24px;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 8px;
}

h3 {
    margin: 0 0 6px 0;
    font-size: 18px;
    color: var(--color-muted);
}

/* Lists: cotton-rose background for items */
.list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 16px;
}

.list li {
    border: 2px solid var(--color-border);
    background: var(--color-list-bg);
    padding: 16px;
    border-radius: var(--radius);
    color: var(--color-text);
}

.list li p {
    margin: 8px 0;
}

.meta {
    margin: 10px 0 0 0;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-muted);
}

/* Grid and labels */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.label {
    margin: 0 0 6px 0;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-muted);
    font-weight: 700;
}

/* Links section: tea-green background */
.links {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.links li {
    background: var(--color-surface-alt);
    text-align: center;
}

/* Responsive */
@media (max-width: 700px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .site-nav {
        grid-column: 1;
    }

    #content {
        grid-column: 1;
    }

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

    .hero {
        flex-direction: column-reverse;
        align-items: flex-start;
    }

    .avatar {
        width: 140px;
        height: 140px;
    }

    .header {
        font-size: 32px;
    }
}

/* Train page */
.train-page {
    position: relative;
    min-height: 100vh;
}

.fullscreen-photo {
    position: fixed;
    inset: 0;
    z-index: 0;
}

.fullscreen-photo img {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    object-position: left center;
    display: block;
}

.train-overlay {
    position: relative;
    z-index: 2;
    max-width: 980px;
    margin: 0 auto;
    padding: 32px 20px 80px;
}

.train-caption {
    margin: 0;
    display: inline-block;
    background: var(--color-surface);
    padding: 12px 20px;
    border: 2px solid var(--color-border);
    color: var(--color-text);
}

/* Resume page styles */
.resume {
    max-width: 900px;
    margin: 0 auto;
}

.resume-header {
    background: var(--color-hero-bg);
    border: 3px solid var(--color-border);
    padding: 28px 32px;
    margin-bottom: 24px;
    text-align: center;
}

.resume-header h1 {
    margin: 0 0 12px 0;
    font-size: 36px;
    color: var(--color-text);
}

.contact-info {
    margin: 0;
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.8;
}

.resume-section {
    background: var(--color-surface);
    border: 3px solid var(--color-border);
    padding: 24px 32px;
    margin-bottom: 20px;
}

.resume-section h2 {
    margin: 0 0 16px 0;
    font-size: 20px;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.summary p {
    margin: 0;
    line-height: 1.7;
}

.job {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-muted);
}

.job:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.job h3 {
    margin: 0 0 4px 0;
    font-size: 18px;
    color: var(--color-text);
}

.job-meta {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: var(--color-muted);
    font-style: italic;
}

.job h4 {
    margin: 16px 0 8px 0;
    font-size: 15px;
    color: var(--color-muted);
    font-weight: 600;
}

.job ul {
    margin: 0;
    padding-left: 20px;
}

.job li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.skill-category {
    background: var(--color-skill-bg);
    border: 2px solid var(--color-muted);
    padding: 14px 18px;
}

.skill-category strong {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text);
}

.skill-category p {
    margin: 0;
    font-size: 14px;
    color: var(--color-muted);
}

.degree {
    margin-bottom: 12px;
}

.degree:last-child {
    margin-bottom: 0;
}

.certifications p {
    margin: 0;
}

@media (max-width: 700px) {
    .resume-header {
        padding: 20px;
    }

    .resume-header h1 {
        font-size: 28px;
    }

    .resume-section {
        padding: 20px;
    }

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

