/* ============================================================================ Mohamed F. Doheim — Site-wide stylesheet Design: "Precision Instrument" — clean clinical light theme Palette (60 / 30 / 10): #F7FAFC paper — 60% dominant background #0D1B2A ink — 30% text, headers, and two anchor bands #00E5FF signal — 10% button fills, metric figures, ticks, active states Type roles: Newsreader — display / headings (editorial authority) IBM Plex Sans — body / UI (humanist precision) IBM Plex Mono — "data voice": eyebrows, metrics, dates, PMIDs, CIs ========================================================================== */ @import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap'); /* ── Design tokens ───────────────────────────────────────────────────────── */ :root { /* Core palette */ --paper: #F7FAFC; /* 60% */ --ink: #0D1B2A; /* 30% */ --signal: #00E5FF; /* 10% */ /* Derived neutrals (tints of ink / paper) */ --paper-2: #EDF2F7; /* alt sections, card fills on light */ --line: #DCE3EB; /* hairline borders */ --line-2: #C6D1DC; /* stronger hairline / dividers */ --ink-2: #33475B; /* body text (≈8:1 on paper) */ --ink-3: #5A6B7B; /* captions / meta (≈5.8:1 on paper) */ /* Derived accents (cyan family, kept readable) */ --signal-strong:#00C4DB; /* button hover — a touch denser */ --link: #0B6E7F; /* readable teal link on light (AA) */ --link-strong: #08535F; /* link hover */ /* On the navy bands */ --on-ink: #F7FAFC; --on-ink-dim: rgba(247, 250, 252, 0.68); /* Decoupled surfaces (so dark mode can flip text without flipping bands) */ --band: #0D1B2A; /* navy accent bands + icon/tag tiles */ --surface: #ffffff; /* raised card / pub / panel / award fills */ --on-signal: #0A1826; /* text on cyan fills — fixed dark in both themes */ --nav-bg: rgba(247, 250, 252, 0.82); /* Type */ --font-display: 'Newsreader', Georgia, 'Times New Roman', serif; --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif; --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace; /* Shape + motion */ --r: 10px; --r-sm: 6px; --ease: cubic-bezier(0.22, 0.61, 0.36, 1); --t: 0.35s var(--ease); /* Elevation (soft, clinical-flat) */ --shadow: 0 1px 2px rgba(13, 27, 42, 0.04), 0 10px 30px rgba(13, 27, 42, 0.06); --shadow-lg: 0 2px 4px rgba(13, 27, 42, 0.05), 0 18px 48px rgba(13, 27, 42, 0.10); --maxw: 1180px; } /* ── Dark theme (toggled via data-theme on ) ───────────────────────── */ :root[data-theme="dark"] { --paper: #0B1622; /* page background */ --paper-2: #10202E; /* alt sections */ --line: #223140; --line-2: #2E4051; --ink: #E9F0F6; /* primary text / emphasis (now light) */ --ink-2: #C3D0DC; /* body text */ --ink-3: #90A2B2; /* captions / meta */ --signal: #00E5FF; --signal-strong: #4DECFF; --link: #61E1F1; /* readable cyan link on dark */ --link-strong: #A7EFF8; --on-ink: #F7FAFC; --on-ink-dim: rgba(247, 250, 252, 0.72); --band: #16293B; /* accent bands + tiles, distinct from bg */ --surface: #13222F; /* raised card / pub / panel / award fills */ --nav-bg: rgba(11, 22, 34, 0.82); --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 12px 30px rgba(0, 0, 0, 0.50); --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.40), 0 22px 52px rgba(0, 0, 0, 0.60); } /* ── Reset + base ────────────────────────────────────────────────────────── */ *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; } html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; } body { font-family: var(--font-body); background: var(--paper); color: var(--ink-2); line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; } a { color: var(--link); text-decoration: none; transition: color var(--t); } a:hover { color: var(--link-strong); } img { max-width: 100%; display: block; } ::selection { background: var(--signal); color: var(--on-signal); } /* Visible keyboard focus everywhere (quality floor) */ :focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 3px; } /* ── Layout ──────────────────────────────────────────────────────────────── */ .container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; } .section { padding: 6.5rem 0; position: relative; } .section--tight { padding: 3rem 0; } .section--alt { background: var(--paper-2); } /* Navy anchor bands (the darker part of the 30%) */ .section--ink { background: var(--band); color: var(--on-ink); } .section--ink .heading { color: var(--on-ink); } .section--ink .lede { color: var(--on-ink-dim); } .section--ink a:not(.btn) { color: var(--signal); } .section--ink a:not(.btn):hover { color: #fff; } /* ── Navigation ──────────────────────────────────────────────────────────── */ .site-nav { position: sticky; top: 0; z-index: 1000; display: flex; align-items: center; justify-content: space-between; padding: 1rem 2rem; background: var(--nav-bg); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border-bottom: 1px solid transparent; transition: border-color var(--t), background var(--t), box-shadow var(--t); } .site-nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 1px 0 rgba(13, 27, 42, 0.02), 0 6px 24px rgba(13, 27, 42, 0.05); } .nav-brand { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); display: inline-flex; align-items: baseline; gap: 0.15rem; } .nav-brand .dot { color: var(--signal); font-weight: 700; } .nav-brand:hover { color: var(--ink); } .nav-menu { display: flex; gap: 0.25rem; list-style: none; } .nav-menu a { position: relative; color: var(--ink-3); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.5rem 0.9rem; border-radius: var(--r-sm); } .nav-menu a::after { content: ''; position: absolute; left: 0.9rem; right: 0.9rem; bottom: 0.32rem; height: 2px; background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform var(--t); } .nav-menu a:hover { color: var(--ink); } .nav-menu a:hover::after, .nav-menu a.is-active::after { transform: scaleX(1); } .nav-menu a.is-active { color: var(--ink); } .nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; } .nav-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; transition: var(--t); } .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); } .nav-toggle.is-open span:nth-child(2) { opacity: 0; } .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); } .nav-right { display: flex; align-items: center; gap: 0.4rem; } .theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: var(--r-sm); background: transparent; border: 1px solid var(--line); color: var(--ink-3); cursor: pointer; font-size: 0.95rem; line-height: 1; transition: color var(--t), border-color var(--t), background var(--t); } .theme-toggle:hover { color: var(--ink); border-color: var(--line-2); } @media (max-width: 860px) { .site-nav { padding: 0.9rem 1.25rem; } .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0.25rem; padding: 1rem 1.25rem 1.5rem; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); } .nav-menu.is-open { display: flex; } .nav-menu a { padding: 0.7rem 0.5rem; } .nav-menu a::after { left: 0.5rem; right: auto; width: 22px; } .nav-toggle { display: block; } } /* ── Type helpers ────────────────────────────────────────────────────────── */ /* Eyebrow / section label — mono "data voice" with a leading cyan tick */ .eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.01em; text-transform: none; color: var(--ink-3); margin-bottom: 1rem; } .eyebrow::before { content: ''; width: 18px; height: 2px; background: var(--signal); flex: none; } .section--ink .eyebrow { color: var(--on-ink-dim); } .heading { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.12; letter-spacing: -0.015em; color: var(--ink); margin-bottom: 1.25rem; } .heading em { font-style: italic; font-weight: 500; } .lede { font-size: 1.05rem; color: var(--ink-2); max-width: 56ch; } /* Editorial divider — hairline with a cyan tick */ .divider { width: 100%; max-width: 320px; height: 1px; background: var(--line-2); margin: 1.75rem 0; position: relative; } .divider::before { content: ''; position: absolute; left: 0; top: -1px; width: 40px; height: 3px; background: var(--signal); } .divider.center { margin-left: auto; margin-right: auto; } /* ── Buttons ─────────────────────────────────────────────────────────────── */ .btn { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-body); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.01em; line-height: 1; padding: 0.8rem 1.4rem; border-radius: var(--r-sm); border: 1.5px solid transparent; cursor: pointer; transition: transform var(--t), background var(--t), color var(--t), border-color var(--t), box-shadow var(--t); } .btn i { font-size: 0.85em; } /* Primary = the high-contrast cyan fill from the brief (navy text) */ .btn--primary { background: var(--signal); color: var(--on-signal); box-shadow: 0 6px 18px rgba(0, 229, 255, 0.28); } .btn--primary:hover { background: var(--signal-strong); color: var(--on-signal); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 229, 255, 0.34); } /* Secondary = ink outline, fills on hover */ .btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); } .btn--outline:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); } /* Ghost = for use on the navy bands (cyan outline) */ .btn--ghost { background: rgba(0, 229, 255, 0.08); color: var(--signal); border-color: rgba(0, 229, 255, 0.35); } .btn--ghost:hover { background: rgba(0, 229, 255, 0.16); color: #fff; border-color: var(--signal); transform: translateY(-2px); } .btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; } /* ── Hero ────────────────────────────────────────────────────────────────── */ .hero { padding: 7rem 0 5.5rem; } .hero__grid { display: grid; grid-template-columns: 1.15fr 0.6fr; gap: 4rem; align-items: center; } .hero__name { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.6rem, 6vw, 4.1rem); line-height: 1.02; letter-spacing: -0.025em; color: var(--ink); margin-bottom: 0.5rem; } .hero__name .mo { font-style: italic; font-weight: 500; color: var(--ink-2); } /* Signature: cyan "signal" underline that sweeps in on load */ .signal-underline { position: relative; display: inline-block; } .signal-underline::after { content: ''; position: absolute; left: 0; bottom: -0.12em; width: 100%; height: 4px; background: var(--signal); } .hero__cred { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em; color: var(--ink-3); margin: 0.75rem 0 1.25rem; } .hero__cred b { color: var(--ink); font-weight: 600; } .hero__thesis { font-family: var(--font-display); font-style: italic; font-size: 1.2rem; color: var(--ink-2); max-width: 44ch; margin-bottom: 2rem; line-height: 1.5; } .hero__actions { margin-bottom: 2.5rem; } .hero__affil { display: flex; flex-wrap: wrap; gap: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); letter-spacing: 0.02em; } .hero__affil span { display: inline-flex; align-items: center; gap: 0.45rem; } .hero__affil i { color: var(--link); font-size: 0.85em; } /* Portrait — clean framed photo */ .portrait { position: relative; justify-self: center; } .portrait img { width: 288px; height: 288px; object-fit: cover; border-radius: 16px; border: 1px solid var(--line-2); box-shadow: var(--shadow-lg); } @media (max-width: 860px) { .hero { padding: 4.5rem 0 3.5rem; } .hero__grid { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; } .hero__thesis { margin-left: auto; margin-right: auto; } .hero__actions .btn-row, .hero__affil { justify-content: center; } .portrait { order: -1; } .portrait img { width: 210px; height: 210px; } } /* ── Metrics band (navy anchor + cyan figures) ───────────────────────────── */ .metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 2rem 1.5rem; } .metric { text-align: left; position: relative; padding-left: 1rem; } .metric::before { content: ''; position: absolute; left: 0; top: 0.15rem; bottom: 0.15rem; width: 2px; background: rgba(0, 229, 255, 0.35); } .metric__num { font-family: var(--font-mono); font-weight: 500; font-size: clamp(2.1rem, 4.5vw, 3rem); line-height: 1; color: var(--signal); letter-spacing: -0.02em; } .metric__label { margin-top: 0.6rem; font-size: 0.82rem; color: var(--on-ink-dim); line-height: 1.4; } /* ── Cards (focus areas / contact) ───────────────────────────────────────── */ .card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 1.75rem; transition: transform var(--t), border-color var(--t), box-shadow var(--t); position: relative; height: 100%; } .section--alt .card { background: var(--surface); } .card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow); } .card__icon { width: 44px; height: 44px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; background: var(--band); color: var(--signal); font-size: 1.05rem; margin-bottom: 1.1rem; transition: var(--t); } .card__title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--ink); margin-bottom: 0.5rem; } .card__body { font-size: 0.92rem; color: var(--ink-2); line-height: 1.6; } .card__link { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.9rem; font-family: var(--font-mono); font-size: 0.76rem; font-weight: 500; letter-spacing: 0.02em; } /* Contact card — centered variant */ .card--contact { text-align: center; } .card--contact .card__icon { margin: 0 auto 1.1rem; } /* ── Publications ────────────────────────────────────────────────────────── */ .pub { background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--line-2); border-radius: var(--r-sm); padding: 1.3rem 1.5rem; margin-bottom: 0.85rem; transition: transform var(--t), border-color var(--t), background var(--t), box-shadow var(--t); } .section--alt .pub { background: var(--surface); } .pub:hover { border-left-color: var(--signal); transform: translateX(4px); box-shadow: var(--shadow); } .pub__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--ink); line-height: 1.4; margin-bottom: 0.4rem; } .pub__authors { font-size: 0.86rem; color: var(--ink-2); margin-bottom: 0.25rem; } .pub__authors b { color: var(--ink); font-weight: 600; } .pub__journal { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-3); letter-spacing: 0.01em; } .pub__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: 0.7rem; } .tag { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.04em; padding: 0.2rem 0.55rem; border-radius: 999px; white-space: nowrap; } .tag--first { background: var(--band); color: var(--signal); } .tag--cofirst{ background: rgba(0,229,255,0.12); color: var(--link-strong); border: 1px solid rgba(0,229,255,0.4); } .tag--cite { background: var(--paper-2); color: var(--ink-3); border: 1px solid var(--line); } .pub__link { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 500; } /* Year filters */ .filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; } .filter { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; padding: 0.4rem 0.95rem; border-radius: 999px; cursor: pointer; background: transparent; color: var(--ink-3); border: 1px solid var(--line-2); transition: var(--t); } .filter:hover { color: var(--ink); border-color: var(--ink); } .filter.is-active { background: var(--band); color: var(--signal); border-color: var(--band); } /* ── Timeline ────────────────────────────────────────────────────────────── */ .timeline { position: relative; padding-left: 1.75rem; } .timeline::before { content: ''; position: absolute; left: 3px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(to bottom, var(--signal), var(--line-2) 45%, transparent); } .timeline__item { position: relative; padding-left: 1.5rem; margin-bottom: 1.6rem; } .timeline__item:last-child { margin-bottom: 0; } .timeline__item::before { content: ''; position: absolute; left: -1.75rem; top: 0.45rem; width: 8px; height: 8px; border-radius: 50%; background: var(--paper); border: 2px solid var(--signal); } .timeline__date { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-3); letter-spacing: 0.05em; margin-bottom: 0.2rem; } .timeline__title { font-weight: 600; color: var(--ink); font-size: 0.98rem; line-height: 1.35; } .timeline__org { font-size: 0.85rem; color: var(--ink-3); } /* Compact card that hosts a timeline (e.g. appointments on the homepage) */ .panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 1.75rem; box-shadow: var(--shadow); } .panel__label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 1.1rem; } /* ── Chips (skills / areas) ──────────────────────────────────────────────── */ .chips { display: flex; flex-wrap: wrap; gap: 0.5rem; } .chip { font-family: var(--font-mono); font-size: 0.76rem; font-weight: 500; padding: 0.35rem 0.8rem; border-radius: 999px; background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--line); } /* ── Awards ──────────────────────────────────────────────────────────────── */ .award { display: flex; gap: 1rem; align-items: flex-start; padding: 0.95rem 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm); transition: border-color var(--t), transform var(--t); } .award:hover { border-color: var(--line-2); transform: translateY(-2px); } .award__year { font-family: var(--font-mono); font-size: 0.74rem; color: var(--link); white-space: nowrap; min-width: 62px; padding-top: 0.1rem; font-weight: 500; } .award__text { font-size: 0.9rem; color: var(--ink-2); line-height: 1.45; } .award--highlight { border-color: var(--signal); border-width: 1px; box-shadow: 0 0 0 3px rgba(0,229,255,0.12); } /* ── Service list ────────────────────────────────────────────────────────── */ .service__item { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; color: var(--ink-2); } .service__item:last-child { border-bottom: none; } .service__item i { color: var(--link); font-size: 0.85rem; width: 18px; text-align: center; padding-top: 0.28rem; } /* ── Grids ───────────────────────────────────────────────────────────────── */ .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; } .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } /* Two-column content splits (text + panel, or portrait + text) */ .split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: start; } .split--portrait { grid-template-columns: 0.5fr 1fr; gap: 3.5rem; align-items: start; } @media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } .split, .split--portrait { grid-template-columns: 1fr; gap: 2.5rem; } } /* ── Footer ──────────────────────────────────────────────────────────────── */ .site-footer { background: var(--paper-2); border-top: 1px solid var(--line); padding: 3rem 2rem; text-align: center; } .social { display: flex; justify-content: center; gap: 0.75rem; margin-bottom: 1.5rem; } .social a { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line-2); color: var(--ink-3); transition: var(--t); } .social a:hover { color: var(--ink); border-color: var(--signal); background: rgba(0,229,255,0.1); transform: translateY(-2px); } .footer-nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 1.25rem; } .footer-nav a { font-size: 0.85rem; color: var(--ink-2); } .footer-nav a:hover { color: var(--ink); } .copyright { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-3); } /* ── Scroll reveal ───────────────────────────────────────────────────────── */ .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); will-change: opacity, transform; } .reveal.is-visible { opacity: 1; transform: none; } /* ── Reduced motion: honor the OS setting (quality floor) ────────────────── */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; } .reveal { opacity: 1; transform: none; } .signal-underline::after { transform: scaleX(1); } }