/* Refined terminal style for a DevOps resume */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* Dark theme (default) */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #9aa4b2;
    --text-muted: #6e7681;
    --accent: #3fb950;
    --accent-soft: rgba(63, 185, 80, 0.12);
    --accent-2: #58a6ff;
    --accent-2-soft: rgba(88, 166, 255, 0.1);
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-bg: rgba(13, 17, 23, 0.85);
}

/* Light theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --border-color: #d0d7de;
    --text-primary: #1f2328;
    --text-secondary: #57606a;
    --text-muted: #8c959f;
    --accent: #1a7f37;
    --accent-soft: rgba(26, 127, 55, 0.1);
    --accent-2: #0969da;
    --accent-2-soft: rgba(9, 105, 218, 0.08);
    --shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
    --header-bg: rgba(255, 255, 255, 0.85);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

::selection {
    background: var(--accent-soft);
}

a {
    color: var(--accent-2);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.1em 0.4em;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Sticky header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 2rem;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-at,
.logo-prompt {
    color: var(--accent);
}

.header-nav {
    display: flex;
    gap: 1.5rem;
    margin-left: auto;
}

.header-nav a {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.2s ease;
}

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

.theme-toggle svg {
    width: 18px;
    height: 18px;
    fill: var(--text-primary);
}

.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* Hero */
.hero {
    padding: 5rem 0 6rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 3rem;
    align-items: center;
}

.hero-kicker {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.tagline {
    font-family: var(--font-mono);
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.hero-location {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hero-location::before {
    content: '~ ';
    color: var(--accent);
}

.summary {
    max-width: 560px;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.75rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}

.stat {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.3rem 0.85rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-decoration: none;
    padding: 0.65rem 1.25rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-ghost {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

/* Headshot in a terminal window */
.hero-photo {
    display: flex;
    justify-content: center;
}

.terminal-window {
    width: 100%;
    max-width: 260px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.headshot {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.photo-fallback {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent);
    background:
        radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 60%),
        radial-gradient(circle at 70% 70%, var(--accent-2-soft), transparent 60%);
}

/* Sections */
section {
    padding: 4.5rem 0;
    border-top: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
}

.section-title .hash {
    color: var(--accent);
    margin-right: 0.5rem;
}

/* Experience timeline */
.experience-item {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 2.5rem;
    border-left: 1px solid var(--border-color);
}

.experience-item:last-child {
    padding-bottom: 0;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -6.5px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--bg-primary);
    border: 2px solid var(--text-muted);
    border-radius: 50%;
}

.experience-item.current::before {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.experience-header {
    margin-bottom: 0.75rem;
}

.experience-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 1rem;
    margin-top: 0.2rem;
}

.company {
    font-family: var(--font-mono);
    color: var(--accent-2);
    font-size: 0.9rem;
}

.duration {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.experience-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    max-width: 680px;
}

.experience-item ul {
    list-style: none;
}

.experience-item li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    max-width: 720px;
}

.experience-item li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--font-mono);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem 1.4rem;
}

.skill-category h3 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.9rem;
}

.skill-category h3::before {
    content: '> ';
    color: var(--accent);
}

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

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.3rem 0.7rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

/* Architecture section */
.architecture-intro {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 720px;
    margin-bottom: 2.5rem;
}

.diagram-scroll {
    overflow-x: auto;
    margin-bottom: 2rem;
}

.diagram {
    display: block;
    width: 100%;
    min-width: 640px;
    height: auto;
}

.diag-box {
    fill: var(--bg-secondary);
    stroke: var(--border-color);
    stroke-width: 1;
}

.diag-boundary {
    fill: var(--accent-2-soft);
    stroke: var(--accent-2);
    stroke-width: 1;
    stroke-dasharray: 6 6;
    opacity: 0.6;
}

.diag-line {
    fill: none;
    stroke: var(--text-muted);
    stroke-width: 1.3;
    marker-end: url(#arrow);
}

.diag-arrow {
    fill: var(--text-muted);
}

.diag-label {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    fill: var(--text-primary);
}

.diag-sub {
    font-family: var(--font-mono);
    font-size: 10px;
    fill: var(--text-muted);
}

.diag-note {
    font-family: var(--font-mono);
    font-size: 11px;
    fill: var(--accent-2);
}

.counter-card {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.4rem;
    margin-bottom: 1.5rem;
}

.counter-prompt {
    color: var(--accent);
}

.counter-value {
    color: var(--text-primary);
}

.counter-value strong {
    color: var(--accent);
}

.counter-note {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.architecture-source {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Contact */
.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.4rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    transition: all 0.2s ease;
}

.contact-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.contact-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Footer */
footer {
    text-align: center;
    padding: 2.5rem 2rem;
    border-top: 1px solid var(--border-color);
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .site-header {
        padding: 0.75rem 1.25rem;
        gap: 1rem;
    }

    .hero {
        padding: 3rem 0 4rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-photo {
        order: -1;
    }

    .terminal-window {
        max-width: 200px;
    }

    section {
        padding: 3rem 0;
    }

    .experience-item {
        padding-left: 1.5rem;
    }

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

    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-link {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .header-nav {
        display: none;
    }

    .theme-toggle {
        margin-left: auto;
    }
}

/* Print */
@media print {
    body {
        background: white;
        color: black;
    }

    .site-header,
    .counter-card,
    .hero-actions {
        display: none;
    }

    section {
        break-inside: avoid;
    }
}