@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=IBM+Plex+Sans:wght@300;400;500;600;900&display=swap');

/* ==========================================================================
   Design tokens
   ========================================================================== */

/* ── Catppuccin Latte (day / light) ── */
:root {
  /* Base: #eff1f5  Mantle: #e6e9ef  Crust: #dce0e8 */
  --background: 220 23% 95%;
  --foreground: 234 16% 35%;

  /* Surface0: #ccd0da */
  --card: 228 11% 91%;
  --card-foreground: 234 16% 35%;

  --popover: 228 11% 91%;
  --popover-foreground: 234 16% 35%;

  /* Mauve: #8839ef */
  --primary: 266 85% 58%;
  --primary-foreground: 220 23% 95%;

  /* Surface1: #bcc0cc */
  --secondary: 228 9% 82%;
  --secondary-foreground: 234 16% 35%;

  /* Surface0: #ccd0da */
  --muted: 228 11% 85%;
  /* Subtext0: #6c6f85 */
  --muted-foreground: 233 11% 48%;

  /* Pink: #ea76cb */
  --accent: 316 71% 68%;
  --accent-foreground: 220 23% 95%;

  --destructive: 347 87% 44%;
  --destructive-foreground: 220 23% 95%;

  /* Surface2: #acb0be */
  --border: 228 8% 72%;
  --input: 228 9% 82%;
  --ring: 266 85% 58%;

  --radius: 0.5rem;

  /* Peach: #fe640b — warm/manager */
  --warm: 22 99% 52%;
  --warm-foreground: 220 23% 95%;
  /* Teal: #179299 — dev/technical */
  --teal: 183 71% 35%;
  --teal-foreground: 220 23% 95%;
  /* Maroon: #e64553 — rose */
  --rose: 354 70% 59%;
  --rose-foreground: 220 23% 95%;

  /* Crust overlay for bg-image sections */
  --overlay: 220 17% 10%;
  /* Base (#eff1f5) — lightest Latte tone, used as text on dark overlays */
  --overlay-foreground: 220 23% 95%;
  --overlay-foreground-muted: 220 15% 78%;

  /* Latte: logos are dark on light bg — invert to match foreground colour */
  --logo-filter: brightness(0) saturate(100%) invert(20%) sepia(10%) saturate(800%) hue-rotate(200deg) brightness(0.4);
}

/* ── Catppuccin Frappé (night / dark) ── */
.dark {
  /* Base: #303446  Mantle: #292c3c  Crust: #232634 */
  --background: 230 20% 22%;
  --foreground: 233 55% 87%;

  /* Surface0: #414559 */
  --card: 232 16% 30%;
  --card-foreground: 233 55% 87%;

  --popover: 232 16% 30%;
  --popover-foreground: 233 55% 87%;

  /* Mauve: #ca9ee6 */
  --primary: 277 60% 76%;
  --primary-foreground: 230 20% 22%;

  /* Surface1: #51576d */
  --secondary: 231 15% 38%;
  --secondary-foreground: 233 35% 80%;

  /* Surface0: #414559 */
  --muted: 232 16% 30%;
  /* Overlay2: #949cbb */
  --muted-foreground: 233 21% 65%;

  /* Pink: #f4b8e4 */
  --accent: 316 72% 84%;
  --accent-foreground: 230 20% 22%;

  --destructive: 357 68% 72%;
  --destructive-foreground: 230 20% 22%;

  /* Surface2: #626880 */
  --border: 231 13% 45%;
  --input: 231 15% 38%;
  --ring: 277 60% 76%;

  /* Peach: #ef9f76 — warm/manager */
  --warm: 20 78% 70%;
  --warm-foreground: 230 20% 22%;
  /* Teal: #81c8be — dev/technical */
  --teal: 172 36% 64%;
  --teal-foreground: 230 20% 22%;
  /* Maroon: #ea999c — rose */
  --rose: 358 60% 76%;
  --rose-foreground: 230 20% 22%;

  /* Crust overlay for bg-image sections */
  --overlay: 230 20% 8%;
  /* Text (#c6d0f5) — Frappé foreground, naturally light */
  --overlay-foreground: 233 55% 87%;
  --overlay-foreground-muted: 233 21% 65%;

  /* Frappé: logos should appear light on dark bg */
  --logo-filter: brightness(0) saturate(100%) invert(90%) sepia(10%) saturate(400%) hue-rotate(200deg) brightness(1.1);
}

/* ==========================================================================
   Reset (Tailwind preflight, trimmed to what this page uses)
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  border: 0 solid hsl(var(--border));
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: 1.5;
}

body {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: inherit;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Libre Baskerville', serif;
  font-size: inherit;
  font-weight: inherit;
}

a {
  color: inherit;
  text-decoration: inherit;
}

img, svg {
  display: block;
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

svg {
  flex-shrink: 0;
}

button {
  font-family: inherit;
  font-size: 100%;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
  background-color: transparent;
  background-image: none;
  text-transform: none;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

[hidden] {
  display: none !important;
}

/* ==========================================================================
   Shared primitives
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(2rem);
  transition: all 700ms cubic-bezier(0, 0, 0.2, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { transition-duration: 1ms; }
}

.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--xs   { width: 0.625rem; height: 0.625rem; }  /* h-2.5 */
.icon--sm   { width: 0.75rem;  height: 0.75rem;  }  /* h-3   */
.icon--md   { width: 0.875rem; height: 0.875rem; }  /* h-3.5 */
.icon--base { width: 1rem;     height: 1rem;     }  /* h-4   */
.icon--lg   { width: 1.25rem;  height: 1.25rem;  }  /* h-5   */

.section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
  background-color: hsl(var(--background));
  overflow: hidden;
}

.section--image {
  min-height: 60vh;
}

.section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}

.section__overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: hsl(var(--overlay) / 0.75);
}

.section__inner {
  position: relative;
  z-index: 10;
  margin: 0 auto;
  width: 100%;
  max-width: 64rem;
}

/* Heading used at the top of most sections */
.section-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.section-heading h2 {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

/* Cards shared by the talks / publications grids */
.card {
  border-radius: 0.75rem;
  background-color: hsl(var(--card));
  padding: 1.25rem;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.card:hover {
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.panel {
  border-radius: 0.75rem;
  border: 1px solid hsl(var(--border));
  background-color: hsl(var(--card));
  padding: 2rem;
  transition: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.panel:hover {
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1rem;
}

/* ==========================================================================
   Theme toggle
   ========================================================================== */

.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid hsl(var(--border));
  background-color: hsl(var(--card));
  padding: 0.5rem 0.75rem;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  font-family: 'IBM Plex Sans', sans-serif;
}

.theme-toggle .icon-sun  { color: hsl(var(--warm)); }
.theme-toggle .icon-moon { color: hsl(var(--primary)); }

.switch {
  position: relative;
  display: inline-flex;
  height: 1.5rem;
  width: 2.75rem;
  flex-shrink: 0;
  align-items: center;
  border-radius: 9999px;
  border: 2px solid transparent;
  background-color: hsl(var(--input));
  transition: background-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.switch:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--ring));
}

.switch[aria-checked="true"] {
  background-color: hsl(var(--primary));
}

.switch__thumb {
  pointer-events: none;
  display: block;
  height: 1.25rem;
  width: 1.25rem;
  border-radius: 9999px;
  background-color: hsl(var(--background));
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  transform: translateX(0);
  transition: transform 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.switch[aria-checked="true"] .switch__thumb {
  transform: translateX(1.25rem);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  pointer-events: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.hero__photo-wrap {
  position: relative;
  margin-bottom: 2rem;
}

.hero__photo {
  height: 11rem;
  width: 11rem;
  border-radius: 9999px;
  object-fit: cover;
}

.hero__eyebrow {
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground));
}

.hero__name {
  margin-bottom: 1rem;
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: hsl(var(--foreground));
}

.hero__tagline {
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.625;
  font-weight: 300;
  color: hsl(var(--muted-foreground));
}

.hero__tagline .dev     { color: hsl(var(--teal)); font-weight: 500; }
.hero__tagline .manager { color: hsl(var(--warm)); font-weight: 500; }

.hero-spacer {
  height: 100vh;
}

/* ==========================================================================
   Featured-in marquee
   ========================================================================== */

.featured {
  position: relative;
  z-index: 9;
  background-color: hsl(var(--background));
  padding-top: 2rem;
  padding-bottom: 2rem;
  overflow: hidden;
}

.featured__label {
  text-align: center;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground) / 0.6);
  margin-bottom: 1.5rem;
}

.marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.marquee__fade {
  pointer-events: none;
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 10;
  width: 6rem;
}

.marquee__fade--left {
  left: 0;
  background-image: linear-gradient(to right, hsl(var(--background)), transparent);
}

.marquee__fade--right {
  right: 0;
  background-image: linear-gradient(to left, hsl(var(--background)), transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  align-items: center;
  animation: marquee 25s linear infinite;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee__group {
  display: flex;
  align-items: center;
}

.logo-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 260px;
  padding: 0 24px;
}

.logo-slot img {
  object-fit: contain;
  opacity: 0.6;
  transition: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-slot img:hover {
  opacity: 0.9;
}

.logo-slot--themed img {
  filter: var(--logo-filter);
}

.logo-knust {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 240px;
  padding: 0 24px;
  opacity: 0.6;
  transition: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-knust:hover {
  opacity: 0.9;
}

.logo-knust__crest {
  height: 44px;
  width: 30px;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-knust__crest img {
  height: 44px;
  width: auto;
  max-width: none;
}

.logo-knust__text {
  margin-left: 0.5rem;
  line-height: 1;
}

.logo-knust__name {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 900;
  color: hsl(var(--foreground));
  font-size: 18px;
  letter-spacing: 2px;
}

.logo-knust__sub {
  font-family: 'IBM Plex Sans', sans-serif;
  color: hsl(var(--muted-foreground));
  font-size: 5.5px;
  letter-spacing: 0.4px;
}

.logo-knust__sub--first {
  margin-top: 2px;
}

/* ==========================================================================
   What is a Social Interpreter
   ========================================================================== */

.intro {
  margin: 0 auto;
  max-width: 48rem;
  text-align: center;
}

.intro h2 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  color: hsl(var(--overlay-foreground));
}

.intro p {
  font-size: 0.875rem;
  line-height: 1.625;
  font-weight: 300;
  color: hsl(var(--overlay-foreground-muted));
}

/* ==========================================================================
   Value proposition / translation table
   ========================================================================== */

.value-heading {
  margin-bottom: 0.75rem;
}

.value-sub {
  margin-bottom: 2.5rem;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1rem;
  color: hsl(var(--muted-foreground));
}

.value-heading .icon { color: hsl(var(--accent)); }

.translation-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
}

.translation-heads {
  margin-bottom: 1rem;
}

.translation-heads__left  { text-align: right; }
.translation-heads__gap   { width: 2rem; }

.pill {
  display: inline-block;
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pill--dev {
  background-color: hsl(var(--teal) / 0.15);
  color: hsl(var(--teal));
}

.pill--manager {
  background-color: hsl(var(--warm) / 0.15);
  color: hsl(var(--warm));
}

.translation-rows {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.translation-cell {
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.translation-cell p {
  font-size: 0.75rem;
  line-height: 1.625;
}

.translation-cell--dev {
  background-color: hsl(var(--teal) / 0.1);
  border: 1px solid hsl(var(--teal) / 0.2);
  text-align: right;
}

.translation-cell--dev p {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  color: hsl(var(--teal));
}

.translation-cell--manager {
  background-color: hsl(var(--warm) / 0.1);
  border: 1px solid hsl(var(--warm) / 0.2);
}

.translation-cell--manager p {
  font-family: 'IBM Plex Sans', sans-serif;
  color: hsl(var(--warm));
}

.translation-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.translation-arrow .icon { color: hsl(var(--accent)); }

/* ==========================================================================
   Photos
   ========================================================================== */

.photo-frame {
  overflow: hidden;
  border-radius: 1rem;
}

.photo-frame img {
  height: 16rem;
  width: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.photo-frame img:hover {
  transform: scale(1.05);
}

.photo-caption {
  margin-top: 0.75rem;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  font-style: italic;
  color: hsl(var(--muted-foreground));
}

/* ==========================================================================
   Origin story carousel
   ========================================================================== */

.origin {
  margin: 0 auto;
  max-width: 48rem;
}

.origin__header {
  margin-bottom: 2.5rem;
  text-align: center;
}

.origin__header h2 {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.origin__hint {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  line-height: 1rem;
  color: hsl(var(--muted-foreground));
}

.origin__stage {
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

.origin__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-left: 0.25rem;
  padding-right: 0.25rem;
}

.origin__btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  line-height: 1rem;
  font-family: 'IBM Plex Sans', sans-serif;
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.origin__btn--prev {
  padding: 0.5rem 1rem;
  font-weight: 500;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
}

.origin__btn--prev:hover:not(:disabled) {
  background-color: hsl(var(--muted));
}

.origin__btn--prev:disabled {
  opacity: 0.2;
}

.origin__btn--next {
  padding: 0.5rem 1.25rem;
  font-weight: 600;
  border: 2px solid hsl(var(--acc));
  color: hsl(var(--acc));
  background-color: hsl(var(--acc) / 0.08);
}

.origin__btn--next:hover {
  transform: scale(1.05);
}

.origin__done {
  font-size: 0.75rem;
  line-height: 1rem;
  color: hsl(var(--muted-foreground));
  font-style: italic;
}

.origin__dots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.origin__dot {
  border-radius: 9999px;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  width: 8px;
  height: 8px;
  background-color: hsl(var(--border));
}

.origin__dot.is-current {
  width: 24px;
  background-color: hsl(var(--dot-acc));
}

.origin__card {
  border-radius: 1rem;
  border: 1px solid hsl(var(--acc) / 0.3);
  padding: 2rem;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 320px;
  background-color: hsl(var(--acc) / 0.08);
  opacity: 1;
  transform: translateX(0);
}

.origin__card.is-leaving-right { opacity: 0; transform: translateX(-24px); }
.origin__card.is-leaving-left  { opacity: 0; transform: translateX(24px); }

.origin__card-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.origin__icon {
  display: flex;
  height: 2.75rem;
  width: 2.75rem;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 700;
  border: 2px solid hsl(var(--acc) / 0.3);
  background-color: hsl(var(--acc));
  color: hsl(var(--background));
  box-shadow: 0 0 18px 4px hsl(var(--acc) / 0.25);
}

.origin__tag {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: 'IBM Plex Sans', sans-serif;
  color: hsl(var(--acc));
}

.origin__counter {
  margin-left: auto;
  font-size: 0.75rem;
  line-height: 1rem;
  color: hsl(var(--muted-foreground));
}

.origin__title {
  font-size: 1.25rem;
  line-height: 1.375;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 1rem;
}

.origin__hook {
  margin-bottom: 1rem;
  border-top-right-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
  border-left: 2px solid hsl(var(--acc) / 0.5);
  background-color: hsl(var(--acc) / 0.12);
  padding: 0.75rem 1rem;
}

.origin__hook p {
  font-size: 0.875rem;
  font-style: italic;
  line-height: 1.625;
  color: hsl(var(--acc));
}

.origin__body {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.625;
  color: hsl(var(--muted-foreground));
}

/* ==========================================================================
   Talks, media & outreach
   ========================================================================== */

.talks-heading { margin-bottom: 2rem; }
.talks-heading .icon { color: hsl(var(--rose)); }

.card--flex {
  display: flex;
  flex-direction: column;
}

.talk__type {
  margin-bottom: 0.5rem;
  display: inline-block;
  border-radius: 9999px;
  background-color: hsl(var(--rose) / 0.1);
  padding: 0.125rem 0.5rem;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: hsl(var(--rose));
  font-family: 'IBM Plex Sans', sans-serif;
}

.talk__event {
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  color: hsl(var(--foreground));
}

.talk__role {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  color: hsl(var(--muted-foreground));
  font-family: 'IBM Plex Sans', sans-serif;
}

.talk__links {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.talk__link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 10px;
  font-weight: 500;
  color: hsl(var(--accent));
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'IBM Plex Sans', sans-serif;
}

.talk__link:hover {
  color: hsl(var(--accent) / 0.8);
}

/* ==========================================================================
   Skills + education
   ========================================================================== */

.panel h2 {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.skills__title { margin-bottom: 0.25rem; }

.skills__sub {
  margin-bottom: 1rem;
  font-size: 0.75rem;
  line-height: 1rem;
  color: hsl(var(--muted-foreground));
  font-family: 'IBM Plex Sans', sans-serif;
}

.skills__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: 'IBM Plex Sans', sans-serif;
}

.tag {
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 500;
}

.tag--accent  { background-color: hsl(var(--accent) / 0.1);  color: hsl(var(--accent)); }
.tag--teal    { background-color: hsl(var(--teal) / 0.1);    color: hsl(var(--teal)); }
.tag--warm    { background-color: hsl(var(--warm) / 0.1);    color: hsl(var(--warm)); }
.tag--primary { background-color: hsl(var(--primary) / 0.1); color: hsl(var(--primary)); }
.tag--rose    { background-color: hsl(var(--rose) / 0.1);    color: hsl(var(--rose)); }

.edu__header {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edu__header .icon { color: hsl(var(--teal)); }

.edu__list {
  font-family: 'IBM Plex Sans', sans-serif;
}

.edu__list > * + * {
  margin-top: 0.75rem;
}

.edu__degree {
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  color: hsl(var(--foreground));
}

.edu__institution {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  color: hsl(var(--muted-foreground));
}

.edu__note {
  margin-top: 0.125rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-style: italic;
  color: hsl(var(--muted-foreground) / 0.7);
}

/* ==========================================================================
   Publications
   ========================================================================== */

.pubs-heading { margin-bottom: 2rem; }
.pubs-heading .icon { color: hsl(var(--accent)); }

.pub__title {
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  color: hsl(var(--foreground));
}

.pub__title a {
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.pub__title a:hover {
  color: hsl(var(--accent));
}

.pub__title .icon {
  margin-left: 0.25rem;
  display: inline;
  vertical-align: middle;
}

.pub__venue {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  color: hsl(var(--muted-foreground));
  font-family: 'IBM Plex Sans', sans-serif;
}

.pub__venue em { font-style: italic; }

/* ==========================================================================
   Contact
   ========================================================================== */

.contact {
  position: relative;
  z-index: 10;
  padding: 5rem 1rem;
  background-color: hsl(var(--background));
}

.contact__card {
  margin: 0 auto;
  width: 100%;
  max-width: 64rem;
  border-radius: 0.75rem;
  border: 1px solid hsl(var(--border));
  background-color: hsl(var(--card));
  padding: 2rem;
  transition: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
}

.contact__card:hover {
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.contact__header {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact__header .icon { color: hsl(var(--warm)); }

.contact__header h2 {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.contact__links {
  font-family: 'IBM Plex Sans', sans-serif;
}

.contact__links > * + * {
  margin-top: 0.75rem;
}

.contact__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: hsl(var(--muted-foreground));
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.contact__link:hover {
  color: hsl(var(--accent));
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: 20;
  background-color: hsl(var(--background));
  padding: 3rem 1rem;
  text-align: center;
}

.site-footer p {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 300;
  color: hsl(var(--muted-foreground));
  font-family: 'IBM Plex Sans', sans-serif;
}

/* ==========================================================================
   Toast
   ========================================================================== */

.toast-viewport {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  max-height: 100vh;
  width: 100%;
  flex-direction: column-reverse;
  padding: 1rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  position: relative;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  overflow: hidden;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid hsl(var(--border));
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  padding: 1.5rem 2rem 1.5rem 1.5rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  transition: opacity 200ms ease, transform 200ms ease;
}

.toast[data-state="closed"] {
  opacity: 0;
  transform: translateY(-100%);
}

.toast__title {
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
}

.toast__description {
  font-size: 0.875rem;
  line-height: 1.25rem;
  opacity: 0.9;
}

.toast__close {
  position: absolute;
  right: 0.5rem;
  top: 0.5rem;
  border-radius: calc(var(--radius) - 2px);
  padding: 0.25rem;
  color: hsl(var(--foreground) / 0.5);
  opacity: 0;
  transition: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.toast:hover .toast__close { opacity: 1; }
.toast__close:hover { color: hsl(var(--foreground)); }
.toast__close:focus { opacity: 1; }

/* ==========================================================================
   404
   ========================================================================== */

.notfound {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background-color: hsl(var(--muted));
}

.notfound__inner { text-align: center; }

.notfound__code {
  margin-bottom: 1rem;
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
}

.notfound__text {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  line-height: 1.75rem;
  color: hsl(var(--muted-foreground));
}

.notfound__link {
  color: hsl(var(--primary));
  text-decoration: underline;
}

.notfound__link:hover { color: hsl(var(--primary) / 0.9); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (min-width: 640px) {
  .section  { padding-left: 1.5rem; padding-right: 1.5rem; }
  .contact  { padding-left: 1.5rem; padding-right: 1.5rem; }

  .hero__photo { height: 14rem; width: 14rem; }

  .translation-grid { gap: 1.5rem; }

  .origin__card { padding: 2.5rem; }

  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .toast-viewport {
    top: auto;
    left: auto;
    bottom: 0;
    right: 0;
    flex-direction: column;
  }
}

@media (min-width: 768px) {
  .hero__name { font-size: 3rem; line-height: 1; }

  .intro p { font-size: 1rem; line-height: 1.625; }

  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .photo-frame img { height: 20rem; }

  .toast-viewport { max-width: 420px; }
}

@media (min-width: 1024px) {
  .hero__name { font-size: 3.75rem; line-height: 1; }

  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ==========================================================================
   Per-step accent colours for the origin carousel
   ========================================================================== */

.acc-teal    { --acc: var(--teal);    --dot-acc: var(--teal); }
.acc-primary { --acc: var(--primary); --dot-acc: var(--primary); }
.acc-warm    { --acc: var(--warm);    --dot-acc: var(--warm); }
.acc-rose    { --acc: var(--rose);    --dot-acc: var(--rose); }
.acc-accent  { --acc: var(--accent);  --dot-acc: var(--accent); }