/* ============================================================================ Christof Buchbender — professional profile Design system. Two themes (observatory / paper) selected via the data-theme attribute on ; everything else reads from CSS variables. ========================================================================== */ /* ============ FONTS ============ */ /* Self-hosted (assets/fonts/) instead of fonts.googleapis.com: a German university site must not leak visitor IPs to Google (GDPR; LG München I, 3 O 17493/20). Latin subset only; the weights below are exactly the ones the stylesheet uses — re-run the download with more weights before using new ones, or the browser will synthesize them. */ @font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/hanken-grotesk-400-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/hanken-grotesk-500-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/hanken-grotesk-600-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Hanken Grotesk"; font-style: normal; font-weight: 700; font-display: swap; src: url("fonts/hanken-grotesk-700-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Spectral"; font-style: italic; font-weight: 500; font-display: swap; src: url("fonts/spectral-500-italic-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Spectral"; font-style: italic; font-weight: 600; font-display: swap; src: url("fonts/spectral-600-italic-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Spectral"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/spectral-500-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } @font-face { font-family: "Spectral"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/spectral-600-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; } /* ============ THEMES ============ */ :root { --font-display: "Spectral", Georgia, serif; --font-body: "Hanken Grotesk", system-ui, sans-serif; --font-mono: "IBM Plex Mono", ui-monospace, monospace; --maxw: 1200px; --ease: cubic-bezier(.22, .61, .36, 1); } html[data-theme="observatory"] { --bg: #0c1210; --surface: #131a17; --surface-2: #18211d; --ink: #e9ece6; --ink-soft: #9aa69c; --ink-faint: #8a958c; /* ≥4.5:1 (WCAG AA small text) on --bg and both surfaces */ --line: rgba(233, 236, 230, .14); --line-soft: rgba(233, 236, 230, .07); --brand: #a6c2a8; --sage: #7d9281; --accent: #6a9bd0; --on-accent: #0a1018; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 20px 50px -20px rgba(0, 0, 0, .7); } html[data-theme="paper"] { --bg: #ffffff; --surface: #ffffff; --surface-2: #f6f5f2; --ink: #15140f; --ink-soft: #615f57; --ink-faint: #706e67; /* ≥4.5:1 (WCAG AA small text) on --bg and both surfaces */ --line: rgba(21, 20, 15, .16); --line-soft: rgba(21, 20, 15, .08); --brand: #15140f; --sage: #9a968c; --accent: #335f8e; --on-accent: #ffffff; --shadow: 0 1px 2px rgba(21, 20, 15, .05), 0 14px 36px -16px rgba(21, 20, 15, .2); } * { box-sizing: border-box; } html, body { margin: 0; padding: 0; } /* one scrollable document: anchor jumps land below the sticky nav (68px), smoothly unless the visitor prefers reduced motion */ html { scroll-padding-top: 84px; } @media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } } body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; transition: background .5s var(--ease), color .5s var(--ease); overflow-x: hidden; } a { color: inherit; text-decoration: none; } ::selection { background: var(--accent); color: var(--on-accent); } .mono { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; } .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px, 5vw, 56px); } /* visually-hidden but available to assistive tech */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } /* skip-to-content link: hidden until keyboard-focused */ .skip-link { position: absolute; left: 16px; top: -48px; z-index: 100; padding: 10px 18px; border-radius: 0 0 10px 10px; background: var(--accent); color: var(--on-accent); font-weight: 600; font-size: .9rem; transition: top .15s var(--ease); } .skip-link:focus { top: 0; } /* ---- no-JS fallback ------------------------------------------------------- The inline bootstrap script in adds .js to before first paint. Without it (JS disabled/blocked), reveal-on-scroll never runs, so elements must not stay hidden. Navigation needs no fallback: anchors are real ids. */ html:not(.js) .reveal { opacity: 1; transform: none; } /* ============ NAV ============ */ .nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--line-soft); } .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; } .brandmark { display: flex; align-items: center; gap: 12px; cursor: pointer; } .monogram { width: 38px; height: 38px; border-radius: 50%; border: 1.5px solid var(--brand); display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--brand); position: relative; overflow: hidden; flex: none; } .monogram::after { content: ""; position: absolute; inset: -50%; background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 60%); } .brandname { font-family: var(--font-display); font-size: 1.06rem; font-weight: 600; letter-spacing: .01em; } .nav-links { display: flex; align-items: center; gap: 4px; } .nav-link { font-size: .92rem; font-weight: 500; color: var(--ink-soft); padding: 9px 14px; border-radius: 999px; cursor: pointer; transition: color .2s, background .2s; position: relative; } .nav-link:hover { color: var(--ink); background: var(--surface-2); } .nav-link.active { color: var(--ink); } .nav-link.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; background: var(--accent); border-radius: 2px; } .nav-cta { margin-left: 8px; padding: 9px 18px; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-weight: 600; font-size: .9rem; cursor: pointer; border: none; transition: transform .15s var(--ease), filter .2s; } .nav-cta:hover { transform: translateY(-1px); filter: brightness(1.05); } /* theme switch — a compact set of swatches, the one user-facing remnant of the prototype's theme exploration. Kept minimal so it does not read as chrome. */ .theme-switch { display: inline-flex; align-items: center; gap: 6px; margin-left: 6px; } .theme-dot { width: 18px; height: 18px; border-radius: 50%; padding: 0; cursor: pointer; border: 1px solid var(--line); position: relative; transition: transform .15s var(--ease); } .theme-dot:hover { transform: scale(1.12); } .theme-dot[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--accent); } .theme-dot[data-theme-value="observatory"] { background: #0c1210; } .theme-dot[data-theme-value="paper"] { background: #ffffff; } /* hero motif toggle — swaps the hero background between the radio-wave rings and an experimental starfield. Sits beside the theme swatches. */ .motif-toggle { display: inline-flex; align-items: center; gap: 7px; margin-left: 8px; padding: 7px 12px; border-radius: 999px; cursor: pointer; border: 1px solid var(--line); background: transparent; color: var(--ink-soft); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; transition: color .2s, background .2s, border-color .2s, transform .15s var(--ease); } .motif-toggle:hover { color: var(--ink); background: var(--surface-2); transform: translateY(-1px); } .motif-toggle[aria-pressed="true"] { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: color-mix(in srgb, var(--accent) 10%, transparent); } .motif-toggle .motif-ico { font-size: .9rem; line-height: 1; } /* mobile menu toggle — hidden on desktop */ .nav-toggle { display: none; } .btn { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .96rem; cursor: pointer; border: 1px solid transparent; transition: transform .15s var(--ease), filter .2s, background .2s; } .btn-primary { background: var(--accent); color: var(--on-accent); } .btn-primary:hover { transform: translateY(-2px); filter: brightness(1.06); } .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); } .btn-ghost:hover { background: var(--surface-2); transform: translateY(-2px); } /* ============ CHIPS ============ */ .chip { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .04em; padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-soft); background: color-mix(in srgb, var(--surface) 60%, transparent); } .chip .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); } /* ============ KICKER ============ */ .kicker { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 10px; } .kicker::before { content: ""; width: 22px; height: 1px; background: var(--accent); display: inline-block; } /* ============ PAGE TRANSITION ============ */ .page { animation: pageIn .6s var(--ease) both; } @keyframes pageIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } } .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); } .reveal.in { opacity: 1; transform: none; } /* ============ HERO ============ */ .hero { position: relative; min-height: calc(100vh - 68px); display: flex; flex-direction: column; justify-content: center; overflow: hidden; } .hero-motif { position: absolute; inset: 0; pointer-events: none; z-index: 0; } .hero-content { position: relative; z-index: 2; } /* alternative hero motif — a generated starfield, toggled via data-motif on . Default is the radio-wave rings above; the starfield is opt-in, so the no-JS page keeps the rings. */ .hero-starfield { display: none; } html[data-motif="stars"] .hero-motif--rings { display: none; } html[data-motif="stars"] .hero-starfield { display: block; } .hero-starfield .twinkle { animation: twinkle linear infinite; will-change: opacity; } @keyframes twinkle { 0%, 100% { opacity: var(--o, .7); } 50% { opacity: calc(var(--o, .7) * .22); } } .hero-name { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.8rem, 9vw, 7.6rem); line-height: .95; letter-spacing: -.02em; margin: 0; text-wrap: balance; } .hero-name .l2 { color: var(--brand); font-style: italic; } .hero-role { margin-top: 18px; font-size: clamp(1rem, 2.2vw, 1.3rem); color: var(--ink-soft); max-width: 40ch; } .hero-role b { color: var(--ink); font-weight: 600; } /* ---- hero photo -------------------------------------------------------------- An environmental portrait (landscape, framed like the timeline images) in a second column. Several photos may be stacked in the frame; app.js crossfades through them slowly. Without JS only the first photo shows (see the html:not(.js) rule), so the markup keeps it as the lead image. */ .hero-grid--photo { display: grid; grid-template-columns: minmax(0, 1fr) clamp(330px, 38vw, 540px); gap: clamp(20px, 4vw, 64px); align-items: center; } .hero-photo { position: relative; margin: 0; width: 100%; } .hero-photo-frame { position: relative; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 18px; border: 1px solid var(--line); background: var(--surface-2); box-shadow: var(--shadow); } .hero-photo-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.8s var(--ease); } .hero-photo-frame img.is-active { opacity: 1; } html:not(.js) .hero-photo-frame img:first-child { opacity: 1; } /* credit caption below the frame, like the timeline credits; app.js fades it while swapping its text in step with the photos */ .hero-photo-credit { display: block; margin-top: 8px; text-align: right; color: var(--ink-faint); transition: opacity .6s var(--ease); } .hero-photo-credit.swapping { opacity: 0; } .hero-photo-credit a { color: inherit; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; } .hero-photo-credit a:hover { color: var(--ink-soft); border-color: var(--line); } /* pause/resume control for the photo rotation (WCAG 2.2.2) — revealed by app.js only when the rotation actually runs */ .photo-pause { position: absolute; right: 10px; bottom: 10px; z-index: 2; width: 32px; height: 32px; border-radius: 50%; padding: 0; cursor: pointer; display: grid; place-items: center; border: 1px solid var(--line); color: var(--ink-soft); background: color-mix(in srgb, var(--bg) 72%, transparent); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); transition: color .2s, transform .15s var(--ease); } .photo-pause:hover { color: var(--ink); transform: scale(1.08); } .photo-pause[hidden] { display: none; } .photo-pause .ico-play { display: none; } .photo-pause.paused .ico-pause { display: none; } .photo-pause.paused .ico-play { display: block; } @media (max-width: 900px) { /* photo moves above the copy; hero grows naturally so the taller stacked content is not clipped by the hero's overflow:hidden */ .hero { min-height: auto; padding: 44px 0 60px; } .hero-grid--photo { grid-template-columns: 1fr; gap: 18px; } .hero-photo { order: -1; max-width: 460px; } } /* ============ SECTIONS ============ */ .section { padding: clamp(56px, 9vw, 120px) 0; } .eyebrow-row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 44px; } /* text-wrap: balance does the line-breaking that used to be hand-coded in the content (title_lines) — titles are single strings now */ .h-title { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.9rem, 4.4vw, 3.2rem); line-height: 1.02; letter-spacing: -.015em; margin: 12px 0 0; max-width: 18ch; text-wrap: balance; } .lead { font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 1.55; color: var(--ink-soft); max-width: 56ch; } .lead b { color: var(--ink); font-weight: 600; } /* section bio intro — rendered from a Markdown body (content/research.md); the first paragraph carries full ink, the rest recede */ .section-intro p { font-size: 1.08rem; line-height: 1.66; margin: 14px 0 0; color: var(--ink-soft); } .section-intro p:first-child { margin-top: 0; color: var(--ink); } /* ============ TIMELINE ============ */ .tl { position: relative; } .tl-item { display: grid; grid-template-columns: 160px 1fr; gap: clamp(20px, 4vw, 56px); padding: 30px 0; border-top: 1px solid var(--line); transition: background .25s; align-items: start; } /* entries with a representative observatory photo get a third image column */ .tl-item--media { grid-template-columns: 160px 1fr minmax(0, 280px); } .tl-item:hover { background: color-mix(in srgb, var(--surface) 50%, transparent); } .tl-item:hover .tl-title { color: var(--accent); } .tl-period { font-family: var(--font-mono); font-size: .8rem; color: var(--ink-faint); padding-top: 5px; } .tl-tag { display: inline-block; margin-top: 10px; } .tl-title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; letter-spacing: -.01em; transition: color .2s; } .tl-org { color: var(--ink-soft); font-size: .92rem; margin: 4px 0 12px; } .tl-body { color: var(--ink-soft); max-width: 64ch; } /* timeline figure — observatory photo + small attribution caption. A fixed aspect ratio keeps the column tidy regardless of each source's proportions; the 1px border and surface fallback keep photos legible on both themes. */ .tl-figure { margin: 0; } .tl-img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; border: 1px solid var(--line); background: var(--surface-2); transition: transform .4s var(--ease), box-shadow .3s var(--ease); } .tl-item--media:hover .tl-img { transform: translateY(-2px); box-shadow: var(--shadow); } .tl-credit { display: block; margin-top: 7px; color: var(--ink-faint); } .tl-credit a { color: inherit; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; } .tl-credit a:hover { color: var(--ink-soft); border-color: var(--line); } /* ============ CARDS ============ */ .card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .25s; } .card:hover { transform: translateY(-3px); } .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; } .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; } .area-title { font-family: var(--font-display); font-size: 1.32rem; font-weight: 600; margin: 14px 0 10px; } .col-focus { display: flex; flex-wrap: wrap; gap: 8px; } /* ============ SKILLS (technical toolkit) ============ */ /* Grouped technical stack: a mono category label beside a "·"-separated list, echoing the timeline's two-column rhythm. */ .skills { border-top: 1px solid var(--line); } .skill-row { display: grid; grid-template-columns: 210px 1fr; gap: clamp(16px, 3vw, 40px); padding: 16px 0; border-bottom: 1px solid var(--line-soft); } .skill-group { color: var(--ink-faint); padding-top: 3px; } .skill-items { color: var(--ink-soft); } /* ============ FOOTER ============ */ .footer { border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 20px; } .footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; } .footer a.link { color: var(--ink-soft); border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; } .footer a.link:hover { color: var(--accent); border-color: var(--accent); } .footer-nav { display: flex; flex-direction: column; gap: 8px; } .addr { font-style: normal; color: var(--ink-soft); line-height: 1.7; } .note { font-family: var(--font-mono); font-size: .7rem; color: var(--ink-faint); letter-spacing: .03em; } /* ============ AT A GLANCE ============ */ .glance { display: flex; flex-wrap: wrap; gap: 0; margin-top: 40px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); } .glance-item { padding: 16px 26px 16px 0; margin-right: 26px; border-right: 1px solid var(--line-soft); } .glance-item:last-child { border-right: none; margin-right: 0; } .glance-k { color: var(--ink-faint); } .glance-v { font-family: var(--font-display); font-size: 1.04rem; font-weight: 600; margin-top: 5px; color: var(--ink); } /* ============ PUBLICATIONS ============ */ .pub-list { display: flex; flex-direction: column; } .pub { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding: 26px 0; border-top: 1px solid var(--line); } .pub-num { color: var(--ink-faint); padding-top: 4px; } .pub-title { font-family: var(--font-display); font-size: 1.32rem; font-weight: 600; letter-spacing: -.01em; } .pub-title a { transition: color .2s; } .pub-title a:hover { color: var(--accent); } .pub-meta { color: var(--ink-faint); margin: 6px 0 8px; text-transform: none; letter-spacing: .02em; } .pub-why { margin: 0; color: var(--ink-soft); } /* dashed "to add" placeholder card */ .placeholder-card { background: var(--surface-2); border-style: dashed; } .placeholder-card .to-add { color: var(--accent); margin-bottom: 8px; } /* ============ CONTACT ============ */ .contact-email { font-family: var(--font-display); font-size: clamp(1.2rem, 2.6vw, 1.7rem); font-weight: 600; margin-top: 10px; color: var(--accent); word-break: break-word; } .contact-card-label { margin-top: 8px; font-weight: 600; } /* static, locally-hosted OSM strip (see content.yaml); links out to the live map */ .map-strip { display: block; margin-top: 18px; height: 120px; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; background: var(--surface-2); } .map-strip img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); } .map-strip:hover img { transform: scale(1.04); } .map-credit { margin-top: 7px; text-align: right; } .map-credit a { color: inherit; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; } .map-credit a:hover { color: var(--ink-soft); border-color: var(--line); } /* ============ RESPONSIVE ============ */ @media (max-width: 900px) { .nav-links { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px clamp(20px, 5vw, 56px) 20px; background: var(--bg); border-bottom: 1px solid var(--line-soft); box-shadow: var(--shadow); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: transform .2s var(--ease), opacity .2s var(--ease); } .nav-links.open { transform: none; opacity: 1; pointer-events: auto; } .nav-link { padding: 12px 6px; } .nav-link.active::after { left: 6px; right: auto; width: 18px; bottom: 6px; } .nav-cta { margin-left: 6px; } .theme-switch { margin-left: 0; padding-top: 8px; align-self: flex-start; } .motif-toggle { margin-left: 0; margin-top: 8px; align-self: flex-start; } .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; cursor: pointer; background: transparent; border: 1px solid var(--line); color: var(--ink); } } /* long kickers (e.g. the hero "Radio astronomy · University of Cologne") would otherwise overflow on narrow screens, since inline-flex sizes to content. */ @media (max-width: 560px) { .kicker { display: flex; flex-wrap: wrap; max-width: 100%; } } @media (max-width: 820px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } } /* observatory photo drops to a capped, full-width band beneath each entry. The .tl-item--media (two-class) selector outranks the single-class mobile rule below, so its collapse must be spelled out at each breakpoint. */ @media (max-width: 900px) { .tl-item--media { grid-template-columns: 140px 1fr; } .tl-item--media .tl-figure { grid-column: 1 / -1; max-width: 460px; margin-top: 6px; } } @media (max-width: 680px) { .tl-item, .tl-item--media, .skill-row { grid-template-columns: 1fr; gap: 10px; } } @media (max-width: 640px) { .glance { flex-direction: column; } .glance-item { border-right: none; border-bottom: 1px solid var(--line-soft); width: 100%; padding-right: 0; margin-right: 0; } .glance-item:last-child { border-bottom: none; } } @media (max-width: 560px) { .pub { grid-template-columns: 1fr; gap: 8px; } } /* ============ MOTION PREFERENCES ============ */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; } .reveal { opacity: 1; transform: none; } } /* ============ PRINT ============ */ /* Committees print or save-as-PDF: drop the interactive chrome, force the light palette whatever theme is active, and keep every section visible. */ @media print { html { --bg: #ffffff; --surface: #ffffff; --surface-2: #f6f5f2; --ink: #15140f; --ink-soft: #615f57; --ink-faint: #706e67; --line: rgba(21, 20, 15, .16); --line-soft: rgba(21, 20, 15, .08); --brand: #15140f; --sage: #9a968c; --accent: #335f8e; --on-accent: #ffffff; --shadow: none; } .nav, .skip-link, .hero-motif, .photo-pause { display: none !important; } .reveal { opacity: 1 !important; transform: none !important; } .hero { min-height: auto; padding: 24px 0; } .tl-item, .pub, .card { break-inside: avoid; } }