/* =========================================================================
   Domenic Bersch — personal site
   Hand-written HTML + CSS. No JavaScript, no build step.

   Contents
     1.  Tokens (colour, type, spacing)
     2.  Reset & base
     3.  Layout primitives
     4.  Header / navigation / theme toggle
     5.  Hero
     6.  About
     7.  News        — timeline rows, no card chrome
     8.  Publications — hairline text list, expandable
     9.  Projects     — elevated cards, imagery-forward
     10. Talks        — horizontal media objects, logo plates
     11. Experience page
     12. Footer
     13. Responsive
   ========================================================================= */


/* =========================================================================
   1. TOKENS
   Colours use light-dark(), so each value is written once: the first
   argument is the light value, the second the dark one. Which applies is
   decided by `color-scheme`, set on :root and overridden by the theme
   checkbox in section 4.
   ========================================================================= */

:root {
  color-scheme: light dark;

  /* --- Surfaces: warm paper, never pure white --- */
  --bg:          light-dark(#faf8f4, #121614);
  --bg-soft:     light-dark(#f2efe7, #0d1110);
  --surface:     light-dark(#ffffff, #181f1c);
  --surface-alt: light-dark(#f7f4ed, #1e2622);

  /* --- Ink --- */
  --ink:      light-dark(#1b1f1d, #ecf1ee);
  --ink-soft: light-dark(#454e49, #b6c0ba);
  --ink-mute: light-dark(#6e7873, #8b968f);

  /* --- Rules --- */
  --rule:        light-dark(#e4dfd4, #262e2a);
  --rule-strong: light-dark(#cdc6b6, #3a453f);

  /* --- Emerald accent, deepened in light mode so it holds up as text --- */
  --accent:       light-dark(#0d7a55, #34d399);
  --accent-hover: light-dark(#0a6144, #6ee7b7);
  --accent-wash:  light-dark(rgba(13, 122, 85, .09), rgba(52, 211, 153, .13));
  --accent-line:  light-dark(rgba(13, 122, 85, .28), rgba(52, 211, 153, .32));

  /* --- Elevation --- */
  --shadow-sm: light-dark(0 1px 2px rgba(27, 31, 29, .05), 0 1px 2px rgba(0, 0, 0, .3));
  --shadow-md: light-dark(0 4px 14px -4px rgba(27, 31, 29, .12), 0 4px 14px -4px rgba(0, 0, 0, .5));
  --shadow-lg: light-dark(0 14px 34px -10px rgba(27, 31, 29, .18), 0 14px 34px -10px rgba(0, 0, 0, .6));

  /* --- Type --- */
  --display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* --- Measure --- */
  --wrap: 74rem;
  --prose: 40rem;
}

/* The hero is always dark, whatever the page theme. These are fixed. */
.hero {
  --hero-ink: #f4f8f6;
  --hero-ink-soft: #b9c6c0;
  --hero-accent: #4ade9f;
  --hero-line: rgba(255, 255, 255, .16);
  --hero-chip: rgba(255, 255, 255, .07);
}


/* =========================================================================
   2. RESET & BASE
   ========================================================================= */

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* Sticky header clearance for anchor jumps */
html { scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration: none; }

/* Prose links get an emerald underline that thickens on hover */
.prose a,
.about-body a {
  color: inherit;
  background-image: linear-gradient(var(--accent-line), var(--accent-line));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size .2s ease, color .2s ease;
  padding-bottom: 1px;
}
.prose a:hover,
.about-body a:hover {
  color: var(--accent);
  background-size: 100% 2px;
}

img { max-width: 100%; display: block; }

/* Nothing may push the page wider than the viewport. */
h1, h2, h3, h4, p, li { overflow-wrap: break-word; }

::selection { background: var(--accent); color: var(--bg); }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 0; top: -3rem;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: .6rem 1rem;
  font-size: .9rem;
  transition: top .15s ease;
}
.skip-link:focus { top: 0; }


/* =========================================================================
   3. LAYOUT PRIMITIVES
   ========================================================================= */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section { padding-block: 5rem; }
.section + .section { padding-top: 0; }

/* Full-bleed tinted band. Used for News so it does not blur into the
   publication list below it. */
.section.section--band {
  padding-block: 5rem;
  background: var(--bg-soft);
}
.section--band + .section { padding-top: 5rem; }

/* Section heading: small emerald eyebrow above a display-face title. */
.section-head { margin-bottom: 2.25rem; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .7rem;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  color: var(--ink);
}

.section-note {
  margin-top: .55rem;
  color: var(--ink-mute);
  font-size: .95rem;
  max-width: var(--prose);
}


/* =========================================================================
   4. HEADER / NAV / THEME TOGGLE
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-right: auto;
}
.brand-dot {
  width: 1.6rem; height: 1.6rem;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--rule-strong);
}

.nav {
  display: flex;
  align-items: center;
  gap: .35rem;
}
.nav a {
  color: var(--ink-soft);
  font-size: .92rem;
  font-weight: 500;
  padding: .4rem .7rem;
  border-radius: 6px;
  transition: color .18s ease, background-color .18s ease;
}
.nav a:hover { color: var(--ink); background: var(--bg-soft); }
.nav a.is-active { color: var(--accent); }

/* --- Theme toggle: a checkbox that inverts the OS preference ------------
   Pure CSS. Because there is no JS, the choice is not remembered when you
   navigate to another page — the OS preference is always the starting
   point. Swapping this for a persistent toggle takes ~3 lines of JS.      */

.theme-input {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 2.1rem; height: 2.1rem;
  border-radius: 7px;
  color: var(--ink-soft);
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease;
}
.theme-toggle:hover { color: var(--ink); background: var(--bg-soft); }
.theme-toggle svg { width: 1.05rem; height: 1.05rem; }

body:has(.theme-input:focus-visible) .theme-toggle {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Invert whatever the OS asked for. */
@media (prefers-color-scheme: light) {
  body:has(.theme-input:checked) { color-scheme: dark; }
}
@media (prefers-color-scheme: dark) {
  body:has(.theme-input:checked) { color-scheme: light; }
}

/* Show the icon for the theme you would switch *to*. */
.icon-sun { display: none; }
.icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  .icon-sun { display: block; }
  .icon-moon { display: none; }
}
@media (prefers-color-scheme: light) {
  body:has(.theme-input:checked) .icon-sun { display: block; }
  body:has(.theme-input:checked) .icon-moon { display: none; }
}
@media (prefers-color-scheme: dark) {
  body:has(.theme-input:checked) .icon-sun { display: none; }
  body:has(.theme-input:checked) .icon-moon { display: block; }
}


/* =========================================================================
   5. HERO
   Always dark. Layered-peaks SVG over near-black, name + tagline + interest
   pills + action row on the left, portrait on the right.
   ========================================================================= */

.hero {
  position: relative;
  isolation: isolate;
  background: #0b0f0d;
  color: var(--hero-ink);
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("../media/peaks.svg");
  background-size: cover;
  background-position: center bottom;
  filter: brightness(1.45) saturate(1.15);
}

/* Emerald wash + bottom vignette so text stays legible over the peaks. */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(90% 70% at 12% 8%, rgba(16, 185, 129, .16), transparent 62%),
    linear-gradient(to right, rgba(8, 12, 10, .88) 0%, rgba(8, 12, 10, .62) 48%, rgba(8, 12, 10, .18) 100%),
    linear-gradient(to bottom, rgba(8, 12, 10, .5) 0%, transparent 38%);
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(2rem, 5vw, 4rem);
  row-gap: 0;
}

.hero-name {
  font-size: clamp(2.4rem, 6.5vw, 3.9rem);
  letter-spacing: -0.035em;
  color: #fff;
  margin-bottom: .9rem;
}
.hero-name .given { display: block; font-weight: 400; color: var(--hero-ink-soft); }
.hero-name .family { display: block; font-weight: 700; }

.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.05rem;
  font-size: .98rem;
  color: var(--hero-ink);
}
.hero-role-badge {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #04211a;
  background: var(--hero-accent);
  border-radius: 5px;
  padding: .22rem .55rem;
  white-space: nowrap;
}
.hero-role a {
  color: var(--hero-ink);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  transition: color .18s ease, border-color .18s ease;
}
.hero-role a:hover { color: var(--hero-accent); border-color: var(--hero-accent); }

.hero-tag {
  font-size: clamp(1rem, 2vw, 1.14rem);
  line-height: 1.55;
  color: var(--hero-ink-soft);
  max-width: 34rem;
  margin-bottom: 1.1rem;
}
.hero-tag strong { color: var(--hero-ink); font-weight: 600; }
.hero-tag a {
  color: var(--hero-ink);
  border-bottom: 1px solid rgba(255, 255, 255, .3);
  transition: border-color .18s ease, color .18s ease;
}
.hero-tag a:hover { color: var(--hero-accent); border-color: var(--hero-accent); }

/* --- Interest pills --- */
.hero-interests {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 1.7rem;
  padding: 0;
  list-style: none;
}
.hero-interests li {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--hero-ink-soft);
  background: var(--hero-chip);
  border: 1px solid var(--hero-line);
  border-radius: 999px;
  padding: .3rem .72rem;
}

/* --- Action row: CV button first, then icon links --- */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  max-width: 100%;
}

.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--display);
  font-size: .92rem;
  font-weight: 600;
  color: #04211a;
  background: var(--hero-accent);
  border-radius: 8px;
  padding: .6rem 1.05rem;
  box-shadow: 0 6px 18px -6px rgba(74, 222, 159, .6);
  transition: transform .16s ease, box-shadow .16s ease, background-color .16s ease;
}
.btn-cv:hover {
  background: #6ee7b7;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -8px rgba(74, 222, 159, .75);
}
.btn-cv svg { width: 1rem; height: 1rem; }

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  min-width: 0;
}
.hero-links a {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  font-size: .87rem;
  font-weight: 500;
  color: var(--hero-ink-soft);
  border: 1px solid var(--hero-line);
  border-radius: 8px;
  padding: .55rem .8rem;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}
.hero-links a:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, .38);
  background: var(--hero-chip);
}
.hero-links svg { width: 1rem; height: 1rem; }

/* --- Portrait --- */
.hero-portrait {
  position: relative;
  width: clamp(9rem, 22vw, 13.5rem);
  aspect-ratio: 1;
  flex: none;
}
.hero-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: #fff;
  border: 3px solid rgba(255, 255, 255, .14);
  box-shadow: 0 18px 44px -14px rgba(0, 0, 0, .8);
}
.hero-emoji {
  position: absolute;
  right: 2%;
  bottom: 4%;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, .55));
}

/* =========================================================================
   6. ABOUT
   ========================================================================= */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}
.about-body {
  max-width: 47rem;
  color: var(--ink-soft);
  font-size: 1.14rem;
  line-height: 1.72;
}
.about-body p + p { margin-top: 1.15rem; }
.about-body strong { color: var(--ink); font-weight: 600; }


/* =========================================================================
   7. NEWS  — dense timeline rows. Deliberately NO card chrome, so it reads
   as a different kind of thing from Projects and Talks.
   ========================================================================= */

.news-list { max-width: 46rem; }

.news-item {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding-block: 1.4rem;
  border-bottom: 1px solid var(--rule);
}
.news-list > .news-item:first-child { padding-top: 0; }
.news-list > .news-item:last-child { border-bottom: 0; padding-bottom: 0; }
.news-more .news-item:last-child { border-bottom: 0; }

.news-date {
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: .3rem;
  white-space: nowrap;
}

.news-title {
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: .35rem;
}

.news-body { font-size: .97rem; color: var(--ink-soft); }

/* "Read more" link — the arrow slides out on hover. */
.news-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: .6rem;
  font-family: var(--display);
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap .18s ease;
}
.news-link:hover { gap: .6rem; }
.news-link svg { width: .85rem; height: .85rem; }
.news-body strong { color: var(--ink); font-weight: 600; }
.news-body a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease;
}
.news-body a:hover { border-color: var(--accent); }

/* An emerald dot marks the most recent entry. */
.news-item.is-latest .news-date::before {
  content: "";
  display: inline-block;
  width: .42rem; height: .42rem;
  border-radius: 50%;
  background: var(--accent);
  margin-right: .45rem;
  vertical-align: .12em;
}

/* "Show all" — a <details> holding the older entries. */
.news-more { border: 0; }
.news-more > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1.1rem;
  font-family: var(--display);
  font-size: .84rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap .18s ease;
}
.news-more > summary::-webkit-details-marker { display: none; }
.news-more > summary:hover { gap: .62rem; }
.news-more > summary .chev {
  width: .85rem; height: .85rem;
  transition: transform .2s ease;
}
.news-more[open] > summary .chev { transform: rotate(180deg); }
.news-more > summary .label-more { display: inline; }
.news-more > summary .label-less { display: none; }
.news-more[open] > summary .label-more { display: none; }
.news-more[open] > summary .label-less { display: inline; }
/* Older entries sit flush under the visible ones. */
.news-more .news-item:first-child { border-top: 0; }


/* =========================================================================
   8. PUBLICATIONS — hairline-separated text list. No boxes, no thumbnails.
   The abstract lives in a <details> that expands in place.
   ========================================================================= */

.pub-list { max-width: 50rem; }

.pub {
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--rule);
}
.pub:first-child { padding-top: 0; }
.pub:last-child { border-bottom: 0; padding-bottom: 0; }

.pub-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin-bottom: .5rem;
}

.venue {
  font-family: var(--display);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-wash);
  border-radius: 4px;
  padding: .2rem .5rem;
}

.year {
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: .04em;
}

/* Award / status badges — add as many as you need.
   An optional leading icon can go inside, e.g.
     <span class="badge badge-highlight"><svg><use href="#i-star"></use></svg>Spotlight</span> */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3em;
  font-family: var(--display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: .2rem .5rem;
  border: 1px solid currentColor;
}
.badge-highlight { color: light-dark(#b45309, #fbbf24); }
.badge-award     { color: light-dark(#9333ea, #c084fc); }
.badge-oral      { color: light-dark(#0369a1, #60a5fa); }
.badge-new       { color: light-dark(#0d7a55, #34d399); }
.badge svg { width: .82em; height: .82em; flex: none; }

.pub-title {
  font-family: var(--display);
  font-size: 1.09rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: .38rem;
}
.pub-title a { color: inherit; transition: color .18s ease; }
.pub-title a:hover { color: var(--accent); }

.pub-authors {
  font-size: .91rem;
  color: var(--ink-mute);
  margin-bottom: .75rem;
}
.pub-authors .me { color: var(--ink); font-weight: 600; }

/* --- Link pills: Paper, Code, Website, Dataset, … --- */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  min-width: 0;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .82rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: 6px;
  padding: .3rem .62rem;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}
.pill:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-wash);
}
.pill svg { width: .85rem; height: .85rem; flex: none; }

/* --- Expandable abstract --- */
.disclose { margin-top: .75rem; }
.disclose > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  font-family: var(--display);
  font-size: .82rem;
  font-weight: 600;
  color: var(--ink-mute);
  transition: color .18s ease;
}
.disclose > summary::-webkit-details-marker { display: none; }
.disclose > summary:hover { color: var(--accent); }
.disclose > summary .chev {
  width: .8rem; height: .8rem;
  transition: transform .2s ease;
}
.disclose[open] > summary .chev { transform: rotate(180deg); }
.disclose[open] > summary { color: var(--accent); }

.disclose-figure {
  margin: 1.15rem 0 0;
}
/* Add `disclose-figure--portrait` for tall images so they do not dominate. */
.disclose-figure--portrait {
  max-width: 24rem;
}
.disclose-figure img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--rule);
}
.disclose-figure figcaption {
  margin-top: .55rem;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--ink-mute);
}

/* Two or more images side by side. */
.disclose-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr));
  gap: .7rem;
  margin: 1.15rem 0 0;
}
.disclose-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--rule);
}

.disclose-body {
  margin-top: .8rem;
  padding-left: 1rem;
  border-left: 2px solid var(--accent-line);
  font-size: .94rem;
  line-height: 1.68;
  color: var(--ink-soft);
  max-width: 46rem;
}

/* Publications sit above the pills row */
.pub .pill-row { margin-top: .1rem; }


/* =========================================================================
   9. PROJECTS — the visual section. Elevated cards, 2-up.
   ========================================================================= */

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.15rem;
}

.project {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.project:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--rule-strong);
}

/* Image band: `contain` on a tinted plate, so logos and screenshots both work */
.project-figure {
  height: 7.5rem;
  display: grid;
  place-items: center;
  padding: 1rem;
  background:
    radial-gradient(90% 120% at 50% 0%, var(--accent-wash), transparent 70%),
    var(--surface-alt);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  flex: none;
}
.project-figure img {
  max-height: 5.5rem;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
}

/* Add `is-photo` to the figure when the image is a photograph or screenshot
   rather than a logo — it then fills the band edge to edge instead of
   floating on the plate:  <div class="project-figure is-photo">          */
.project-figure.is-photo {
  position: relative;
  padding: 0;
  background: var(--surface-alt);
}
.project-figure.is-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  border-radius: 0;
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.05rem 1.1rem 1.15rem;
}

.project-role {
  font-family: var(--display);
  font-size: .71rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}

.project-title {
  font-size: 1.05rem;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: .45rem;
}

.project-desc {
  font-size: .87rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: .95rem;
}

.project-body .pill-row { margin-top: auto; }
.project-body .pill-row { gap: .32rem; }
.project-body .pill {
  background: var(--bg-soft);
  font-size: .75rem;
  padding: .26rem .44rem;
  gap: .28rem;
}
.project-body .pill svg { width: .8rem; height: .8rem; }


/* =========================================================================
   10. TALKS — horizontal media objects. Flat bordered rows rather than
   elevated cards, so they read differently from Projects.
   ========================================================================= */

.talk-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.talk {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.15rem;
  transition: border-color .2s ease, background-color .2s ease;
}
.talk:hover { border-color: var(--rule-strong); }

/* Logo plate — `contain`, because most conference images are wide logos,
   not photographs. Cropping them would look broken. */
.talk-figure {
  display: grid;
  place-items: center;
  height: 7.5rem;
  padding: .85rem;
  border-radius: 8px;
  background:
    radial-gradient(100% 130% at 50% 0%, var(--accent-wash), transparent 72%),
    var(--surface-alt);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.talk-figure img {
  max-height: 5.8rem;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
}

/* Same escape hatch as projects, for talks that have a real photo. */
.talk-figure.is-photo {
  position: relative;
  padding: 0;
}
.talk-figure.is-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  border-radius: 0;
}

.talk-body { display: flex; flex-direction: column; min-width: 0; }

.talk-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .75rem;
  font-size: .8rem;
  color: var(--ink-mute);
  margin-bottom: .45rem;
}
/* Category chip — same soft treatment as the publication venue chip, so the
   two listing sections share one visual language. */
.talk-type {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-wash);
  border-radius: 4px;
  padding: .2rem .5rem;
  white-space: nowrap;
}

.talk-event {
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .01em;
}

.talk-title {
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: .3rem;
}

.talk-where {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .85rem;
  color: var(--ink-mute);
  margin-bottom: .7rem;
}
.talk-where svg { width: .85rem; height: .85rem; flex: none; }

.talk-body .pill-row { margin-top: .55rem; }

/* "Upcoming" flag */
.talk-upcoming {
  font-family: var(--display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: light-dark(#0d7a55, #34d399);
  background: var(--accent-wash);
  border-radius: 4px;
  padding: .15rem .45rem;
}


/* =========================================================================
   11. EXPERIENCE PAGE
   ========================================================================= */

.page-head {
  padding-block: clamp(3rem, 7vw, 4.5rem) 2.5rem;
  border-bottom: 1px solid var(--rule);
  background: var(--bg-soft);
}
.page-title {
  font-size: clamp(2rem, 5vw, 2.9rem);
  letter-spacing: -0.03em;
}
.page-lede {
  margin-top: .85rem;
  max-width: var(--prose);
  color: var(--ink-soft);
}

/* Vertical rail with a node per role */
.timeline {
  position: relative;
  max-width: 48rem;
  padding-left: 1.75rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: .32rem;
  top: .55rem;
  bottom: .55rem;
  width: 1px;
  background: var(--rule);
}

.tl-item { position: relative; padding-bottom: 2.1rem; }
.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: "";
  position: absolute;
  left: -1.75rem;
  top: .5rem;
  width: .68rem; height: .68rem;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--rule-strong);
}
.tl-item.is-current::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-wash);
}

.tl-date {
  font-family: var(--display);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: .3rem;
}
.tl-role {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
}
.tl-org {
  font-size: .93rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: .6rem;
}
.tl-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .93rem;
  color: var(--ink-soft);
}
.tl-list li { margin-bottom: .22rem; }
.tl-note {
  font-size: .93rem;
  color: var(--ink-soft);
  margin-bottom: .5rem;
}
.tl-gpa {
  display: inline-block;
  font-family: var(--display);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--ink-soft);
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: .12rem .45rem;
  margin-bottom: .55rem;
}

.exp-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(21rem, 1fr));
  gap: 3.5rem;
  align-items: start;
}


/* =========================================================================
   12. FOOTER
   ========================================================================= */

.site-footer {
  margin-top: 5rem;
  padding-block: 3rem 2.5rem;
  border-top: 1px solid var(--rule);
  background: var(--bg-soft);
}

.footer-cta {
  font-family: var(--display);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 34rem;
  margin-bottom: 1.2rem;
}

.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: .93rem;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  padding: .6rem 1.1rem;
  transition: background-color .18s ease, transform .18s ease;
}
.footer-mail:hover { background: var(--accent-hover); transform: translateY(-1px); }
.footer-mail svg { width: 1rem; height: 1rem; }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-size: .83rem;
  color: var(--ink-mute);
}
.footer-meta a { color: var(--ink-mute); border-bottom: 1px solid var(--rule-strong); }
.footer-meta a:hover { color: var(--accent); border-color: var(--accent); }


/* =========================================================================
   13. RESPONSIVE
   ========================================================================= */

@media (max-width: 74rem) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; }
}

@media (max-width: 60rem) {
  .talk { grid-template-columns: 9rem minmax(0, 1fr); gap: 1.1rem; }
  .talk-figure { height: 6rem; }
}

@media (max-width: 48rem) {
  body { font-size: 1rem; }
  .section { padding-block: 3.5rem; }

  /* Hero stacks, portrait first */
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
  .hero-portrait { order: -1; width: 7.5rem; }
  .hero-name { font-size: clamp(2.1rem, 10vw, 2.9rem); }

  /* Nav drops below the brand and scrolls sideways rather than wrapping */
  .site-header .wrap {
    flex-wrap: wrap;
    padding-block: .6rem;
    row-gap: .35rem;
  }
  .brand { margin-right: auto; }
  .nav {
    order: 3;
    width: 100%;
    gap: .1rem;
    overflow-x: auto;          /* fallback if it still does not fit */
    scrollbar-width: none;
    padding-bottom: .15rem;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a {
    white-space: nowrap;
    font-size: .87rem;
    padding-inline: .42rem;
  }

  .project-grid { grid-template-columns: minmax(0, 1fr); }

  /* Talks and news stack */
  .talk { grid-template-columns: minmax(0, 1fr); }
  .talk-figure { height: 8rem; }
  .news-item { grid-template-columns: minmax(0, 1fr); gap: .3rem; }
  .news-date { padding-top: 0; }

  .exp-split { gap: 2.5rem; }
}

@media print {
  .site-header, .site-footer, .hero-actions, .disclose { display: none; }
  body { background: #fff; color: #000; }
}