/* sergeimellow.com : single stylesheet, no build step. Two theming axes: - light/dark via prefers-color-scheme - general/technical via .mode-technical on (forces the dark terminal palette, green accent, mono headings) */ :root { --bg: #ffffff; --fg: #1a1f24; --muted: #5a6570; --accent: #0b5fa5; --accent-contrast: #ffffff; --card: #f4f6f8; --border: #dde3e8; --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace; --font-heading: var(--font-body); } @media (prefers-color-scheme: dark) { :root { --bg: #0f1418; --fg: #e6ebf0; --muted: #9aa7b2; --accent: #4da3e0; --accent-contrast: #0f1418; --card: #171e24; --border: #2a343d; } } /* Deep dive is always dark: a terminal-flavored near-black regardless of the visitor's OS theme. */ html.mode-technical { --bg: #0b100d; --fg: #dbe7de; --muted: #93a89a; --accent: #4ec98f; --accent-contrast: #0b100d; --card: #121a15; --border: #24352b; --font-heading: var(--font-mono); color-scheme: dark; } /* ---------- Base ---------- */ * { box-sizing: border-box; } html { scroll-behavior: smooth; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } } body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem); line-height: 1.6; } h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; margin: 0 0 0.5em; } h1 { font-size: clamp(2rem, 1.5rem + 2.5vw, 3rem); letter-spacing: -0.02em; } h2 { font-size: clamp(1.4rem, 1.2rem + 1vw, 1.75rem); } h3 { font-size: 1.15rem; } html.mode-technical h2::before { content: "$ "; color: var(--accent); } a { color: var(--accent); } a:hover { text-decoration-thickness: 2px; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; } code { font-family: var(--font-mono); font-size: 0.9em; background: var(--card); border: 1px solid var(--border); border-radius: 4px; padding: 0.1em 0.35em; } img { max-width: 100%; height: auto; } /* ---------- Audience toggle mechanics ---------- */ html:not(.mode-technical) [data-audience="technical"] { display: none; } html.mode-technical [data-audience="general"] { display: none; } html:not(.js) .mode-toggle { display: none; } /* ---------- Layout ---------- */ main { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; } section { padding: 2.5rem 0 1rem; } .skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-contrast); padding: 0.5rem 1rem; z-index: 10; } .skip-link:focus { left: 0.5rem; top: 0.5rem; } /* ---------- Header ---------- */ .site-header { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); } .header-inner { max-width: 60rem; margin: 0 auto; padding: 0.6rem 1.25rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; } .wordmark { font-family: var(--font-heading); font-weight: 700; text-decoration: none; color: var(--fg); margin-right: auto; white-space: nowrap; } .site-nav { display: flex; gap: 0.9rem; flex-wrap: wrap; } .site-nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; } .site-nav a:hover { color: var(--accent); } .header-actions { display: flex; align-items: center; gap: 0.75rem; } .mode-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; padding: 2px; background: var(--card); } .mode-toggle button { font-family: var(--font-body); font-size: 0.85rem; min-height: 2.4rem; padding: 0 0.9rem; border: 0; border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; transition: background 0.15s, color 0.15s; } .mode-toggle button[aria-pressed="true"] { background: var(--accent); color: var(--accent-contrast); } /* ---------- Buttons ---------- */ .btn { display: inline-block; padding: 0.55rem 1.1rem; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: var(--fg); background: var(--card); font-size: 0.95rem; } .btn:hover { border-color: var(--accent); } .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); } .btn-small { padding: 0.35rem 0.8rem; font-size: 0.85rem; white-space: nowrap; } /* ---------- Hero ---------- */ .hero { display: flex; align-items: center; gap: 2rem; padding-top: 3.5rem; } .portrait { width: clamp(120px, 22vw, 190px); height: auto; border-radius: 50%; border: 3px solid var(--border); flex-shrink: 0; } .hero .title { color: var(--accent); font-family: var(--font-heading); font-weight: 600; font-size: 1.15rem; margin: 0 0 0.75rem; } .tagline { color: var(--muted); max-width: 34rem; margin-top: 0; } .prompt { font-family: var(--font-mono); color: var(--accent); } .hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.25rem; } /* ---------- Experience ---------- */ .job { margin-bottom: 2rem; } .job-header h3 { margin-bottom: 0.1em; } .job-meta { color: var(--muted); margin: 0 0 0.75rem; font-size: 0.95rem; } .job-meta .role { font-weight: 600; color: var(--fg); } .job ul { padding-left: 1.2rem; } .job li { margin-bottom: 0.5rem; } .education { color: var(--muted); } /* ---------- Skills ---------- */ .chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; } .chips li { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 0.35rem 0.9rem; font-size: 0.95rem; } .skills-full { margin: 0; } .skills-full div { margin-bottom: 0.7rem; } .skills-full dt { font-family: var(--font-heading); font-weight: 600; color: var(--accent); font-size: 0.9rem; } .skills-full dd { margin: 0.1rem 0 0; color: var(--muted); font-size: 0.95rem; } /* ---------- Projects ---------- */ .section-intro { color: var(--muted); } .project-grid { display: grid; gap: 1.25rem; } .project { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem 1.4rem; } .project h3 { color: var(--accent); } .project .one-liner { font-weight: 600; margin-top: 0; } .project details { margin-top: 0.75rem; border-top: 1px dashed var(--border); padding-top: 0.75rem; } .project summary { cursor: pointer; font-family: var(--font-heading); font-weight: 600; color: var(--accent); } /* ---------- Personal ---------- */ .personal-flex { display: flex; gap: 1.5rem; align-items: flex-start; } .personal-flex img { width: 260px; border-radius: 12px; border: 1px solid var(--border); flex-shrink: 0; } /* ---------- Contact ---------- */ .contact-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; } .contact-list li { display: flex; align-items: center; gap: 0.6rem; } .contact-list svg { color: var(--muted); flex-shrink: 0; } .resume-links { margin-top: 1.25rem; } /* ---------- Footer ---------- */ .site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 1.5rem 1.25rem 2.5rem; text-align: center; color: var(--muted); font-size: 0.9rem; } .site-footer p { margin: 0.25rem 0; } .colophon { font-family: var(--font-mono); font-size: 0.8rem; } /* ---------- Responsive ---------- */ @media (max-width: 719px) { .site-nav { display: none; } .hero { flex-direction: column; text-align: center; padding-top: 2rem; } .hero-cta { justify-content: center; } .tagline { margin-inline: auto; } .personal-flex { flex-direction: column; } .personal-flex img { width: 100%; max-width: 420px; } } @media (min-width: 720px) { .project-grid { grid-template-columns: 1fr; } } /* ---------- Deep dive experience ---------- */ /* Faint phosphor grid + vignette behind everything in technical mode */ html.mode-technical body { background-image: radial-gradient(ellipse at 50% -10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 55%), repeating-linear-gradient(0deg, transparent 0 31px, color-mix(in srgb, var(--accent) 4%, transparent) 31px 32px), repeating-linear-gradient(90deg, transparent 0 31px, color-mix(in srgb, var(--accent) 4%, transparent) 31px 32px); background-attachment: fixed; } /* Hero stat row (technical only) */ .stat-row { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; margin: 1.25rem 0 0; font-family: var(--font-mono); } .stat { display: flex; flex-direction: column; } .stat-num, .stat-plus { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem); font-weight: 700; color: var(--accent); display: inline; } .stat-label { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.75; } /* Terminal hint */ .term-hint { margin-top: 1rem; } .term-hint button { font-family: var(--font-mono); font-size: 0.85rem; background: none; border: 1px dashed var(--border); border-radius: 6px; padding: 0.4rem 0.7rem; color: var(--fg); opacity: 0.8; cursor: pointer; } .term-hint button:hover { border-color: var(--accent); opacity: 1; } .term-hint kbd { font-family: var(--font-mono); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 0 0.35em; background: var(--card); } /* Boot overlay */ .boot-overlay { position: fixed; inset: 0; z-index: 90; background: #0a0f0c; color: #4ec98f; font-family: var(--font-mono); font-size: 0.95rem; padding: 15vh 8vw; white-space: pre-wrap; transition: opacity 0.35s ease; } .boot-overlay.fade { opacity: 0; } .boot-cursor::after { content: "\2588"; animation: blink 0.7s steps(1) infinite; } @keyframes blink { 50% { opacity: 0; } } /* Interactive terminal */ .term-backdrop[hidden] { display: none; } .term-backdrop { position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, 0.45); backdrop-filter: blur(2px); display: flex; align-items: center; justify-content: center; padding: 1rem; } .term { width: min(680px, 100%); max-height: min(460px, 85vh); display: flex; flex-direction: column; background: #0a0f0c; color: #d7e6dc; font-family: var(--font-mono); font-size: 0.9rem; border: 1px solid #2c4a3a; border-radius: 10px; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55); overflow: hidden; } .term-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.55rem 0.8rem; background: #101812; border-bottom: 1px solid #2c4a3a; } .term-dot { width: 11px; height: 11px; border-radius: 50%; background: #2c4a3a; } .term-dot:nth-child(1) { background: #e0655a; } .term-dot:nth-child(2) { background: #e0b153; } .term-dot:nth-child(3) { background: #59b56f; } .term-title { margin-left: 0.5rem; font-size: 0.8rem; opacity: 0.7; } .term-close { margin-left: auto; background: none; border: none; color: #d7e6dc; font-size: 1.1rem; cursor: pointer; line-height: 1; padding: 0 0.2rem; } .term-body { flex: 1; overflow-y: auto; padding: 0.8rem; white-space: pre-wrap; overflow-wrap: anywhere; } .term-body a { color: #4ec98f; } .term-body .term-cmd-echo { color: #8fb89e; } .term-input-row { display: flex; gap: 0.5rem; padding: 0.6rem 0.8rem; border-top: 1px solid #2c4a3a; } .term-prompt { color: #4ec98f; } .term-input-row input { flex: 1; background: none; border: none; outline: none; color: #d7e6dc; font-family: var(--font-mono); font-size: 0.9rem; } @media (prefers-reduced-motion: reduce) { .boot-overlay { display: none !important; } .boot-cursor::after { animation: none; } } /* ---------- Terminal mode toggle button ---------- */ :root { --term-green: #1f8a5f; } @media (prefers-color-scheme: dark) { :root { --term-green: #4ec98f; } } html.mode-technical { --term-green: #4ec98f; } .mode-toggle .mode-term { font-family: var(--font-mono); font-weight: 600; color: var(--term-green); } .mode-toggle .mode-term::before { content: ">_ " / ""; } .mode-toggle .mode-term::after { content: "\2588"; margin-left: 0.12em; font-size: 0.8em; animation: blink 1.1s steps(1) infinite; } html:not(.mode-technical) .mode-toggle .mode-term { animation: term-pulse 2.6s ease-out infinite; } .mode-toggle .mode-term[aria-pressed="true"] { color: var(--accent-contrast); animation: none; } @keyframes term-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--term-green) 45%, transparent); } 55% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--term-green) 0%, transparent); } 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--term-green) 0%, transparent); } } @media (prefers-reduced-motion: reduce) { .mode-toggle .mode-term, .mode-toggle .mode-term::after { animation: none !important; } }