/* ============================================================
   r-orelli.eu — multi-page editorial site
   Top nav + left profile sidebar + right content
   ============================================================ */

/* ---------- Color tokens (OKLCH, theme-aware) ---------- */
:root, [data-theme="day"] {
  --bg:            oklch(96% 0.012 85);
  --bg-deep:       oklch(92% 0.018 85);
  --surface:       oklch(98.5% 0.008 85);
  --surface-2:     oklch(94% 0.015 85);
  --ink:           oklch(18% 0.02 250);
  --ink-2:         oklch(34% 0.018 250);
  --muted:         oklch(50% 0.015 250);
  --subtle:        oklch(68% 0.012 250);
  --border:        oklch(85% 0.012 85);
  --border-strong: oklch(74% 0.014 85);
  --accent:        oklch(46% 0.19 255);
  --accent-2:      oklch(38% 0.17 255);
  --accent-glow:   oklch(60% 0.22 255 / .18);
  --accent-soft:   oklch(94% 0.04 255);
  --grain-opacity: .035;
  --topbar-bg:     color-mix(in oklab, var(--bg) 40%, transparent);
}

[data-theme="night"] {
  --bg:            oklch(13% 0.015 250);
  --bg-deep:       oklch(9% 0.018 250);
  --surface:       oklch(17% 0.018 250);
  --surface-2:     oklch(21% 0.02 250);
  --ink:           oklch(94% 0.012 85);
  --ink-2:         oklch(82% 0.015 85);
  --muted:         oklch(62% 0.018 250);
  --subtle:        oklch(40% 0.015 250);
  --border:        oklch(24% 0.018 250);
  --border-strong: oklch(34% 0.022 250);
  --accent:        oklch(76% 0.16 255);
  --accent-2:      oklch(66% 0.18 255);
  --accent-glow:   oklch(72% 0.2 255 / .26);
  --accent-soft:   oklch(28% 0.09 255);
  --grain-opacity: .06;
  --topbar-bg:     color-mix(in oklab, var(--bg) 26%, transparent);
}

[data-accent="cobalt"] { --accent: oklch(46% 0.19 255); --accent-2: oklch(38% 0.17 255); --accent-glow: oklch(60% 0.22 255 / .18); }
[data-accent="cobalt"][data-theme="night"] { --accent: oklch(76% 0.16 255); --accent-2: oklch(66% 0.18 255); --accent-glow: oklch(72% 0.2 255 / .26); }
[data-accent="ember"] { --accent: oklch(56% 0.18 50); --accent-2: oklch(48% 0.17 50); --accent-glow: oklch(70% 0.2 50 / .2); }
[data-accent="ember"][data-theme="night"] { --accent: oklch(76% 0.15 55); --accent-2: oklch(68% 0.17 55); --accent-glow: oklch(72% 0.2 55 / .26); }
[data-accent="sage"] { --accent: oklch(50% 0.14 165); --accent-2: oklch(42% 0.13 165); --accent-glow: oklch(64% 0.18 165 / .2); }
[data-accent="sage"][data-theme="night"] { --accent: oklch(78% 0.14 165); --accent-2: oklch(68% 0.16 165); --accent-glow: oklch(72% 0.18 165 / .26); }
[data-accent="plum"] { --accent: oklch(48% 0.16 320); --accent-2: oklch(40% 0.15 320); --accent-glow: oklch(64% 0.2 320 / .22); }
[data-accent="plum"][data-theme="night"] { --accent: oklch(76% 0.14 320); --accent-2: oklch(66% 0.16 320); --accent-glow: oklch(72% 0.18 320 / .26); }

.no-serif em { font-family: inherit !important; font-style: italic !important; }

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Geist", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "ss02", "cv11";
  transition: background-color .5s ease, color .5s ease;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
em { font-style: italic; }

#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Flowing aurora (pure CSS, GPU-composited) ----------
   Soft gradient blobs that drift via transform only — no main-thread paint,
   so hover/scroll stay smooth. Colours come from [data-palette]. */
.aurora {
  position: fixed;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: var(--aurora-opacity, 0.5);
  transition: opacity .4s ease;
  /* hue shifts with scroll (set by background.js, GPU filter) */
  filter: hue-rotate(var(--scroll-hue, 0deg));
  /* default palette = aurora (blue → teal → green) */
  --au1: hsl(214 82% 60%);
  --au2: hsl(188 78% 55%);
  --au3: hsl(166 72% 50%);
  --au4: hsl(150 72% 52%);
}
.aurora__blob {
  position: absolute;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
  transform: translateZ(0);
}
[data-theme="day"] .aurora { opacity: calc(var(--aurora-opacity, 0.5) * 0.7); }
[data-theme="day"] .aurora__blob { mix-blend-mode: multiply; }

.aurora__blob--1 { top: -12%; left: -8%;  background: radial-gradient(circle at 50% 50%, var(--au1) 0%, transparent 62%); animation: auroraDrift1 34s ease-in-out infinite; }
.aurora__blob--2 { top: -4%;  right: -10%; background: radial-gradient(circle at 50% 50%, var(--au2) 0%, transparent 62%); animation: auroraDrift2 42s ease-in-out infinite; }
.aurora__blob--3 { bottom: -16%; left: 8%;  background: radial-gradient(circle at 50% 50%, var(--au3) 0%, transparent 62%); animation: auroraDrift3 38s ease-in-out infinite; }
.aurora__blob--4 { bottom: -10%; right: 4%; background: radial-gradient(circle at 50% 50%, var(--au4) 0%, transparent 62%); animation: auroraDrift4 47s ease-in-out infinite; }

@keyframes auroraDrift1 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50%      { transform: translate3d(14vw, 10vh, 0) scale(1.18); }
}
@keyframes auroraDrift2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.1); }
  50%      { transform: translate3d(-12vw, 14vh, 0) scale(0.92); }
}
@keyframes auroraDrift3 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(0.95); }
  50%      { transform: translate3d(16vw, -12vh, 0) scale(1.15); }
}
@keyframes auroraDrift4 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.05); }
  50%      { transform: translate3d(-14vw, -10vh, 0) scale(0.9); }
}
@media (prefers-reduced-motion: reduce) {
  .aurora__blob { animation: none !important; }
}

[data-palette="cosmic"] .aurora {
  --au1: hsl(250 82% 62%);
  --au2: hsl(276 76% 62%);
  --au3: hsl(300 72% 60%);
  --au4: hsl(322 76% 60%);
}
[data-palette="cobalt"] .aurora {
  --au1: hsl(232 80% 60%);
  --au2: hsl(244 78% 60%);
  --au3: hsl(254 74% 58%);
  --au4: hsl(266 74% 60%);
}
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='.6'/></svg>");
  mix-blend-mode: overlay;
}
#root { position: relative; z-index: 2; }

/* ============================================================
   Top bar
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--topbar-bg);
  backdrop-filter: blur(8px) saturate(150%);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
}
.topbar__inner {
  max-width: none;
  margin: 0;
  padding: 18px clamp(20px, 3vw, 40px);
  display: flex;
  align-items: center;
  gap: 32px;
}
.topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -.005em;
  color: var(--ink);
  white-space: nowrap;
}
.topbar__mark {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
}
.topbar__mark img {
  width: 100%; height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgb(46 125 54 / .35));
}
.topbar__brand:hover .topbar__mark { animation: spin360 .55s cubic-bezier(.4,0,.2,1); }
@keyframes spin360 { to { transform: rotate(360deg); } }
@keyframes spin360-click { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 22%, transparent); }
  50%      { box-shadow: 0 0 0 7px color-mix(in oklab, var(--accent) 8%, transparent); }
}

.topbar__nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}
.topnav-link {
  padding: 8px 14px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.topnav-link:hover { color: var(--ink); background: var(--surface-2); }
.topnav-link.is-active {
  color: var(--accent);
  background: color-mix(in oklab, var(--accent) 10%, var(--surface));
  border-color: color-mix(in oklab, var(--accent) 25%, transparent);
}

.theme-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  transition: all .2s;
}
.theme-btn:hover { color: var(--accent); border-color: var(--accent); }
.theme-btn__icon { display: grid; place-items: center; line-height: 0; transform-origin: 50% 50%; }
.theme-btn__icon svg { display: block; }
.theme-btn:hover .theme-btn__icon { animation: spin360 .55s cubic-bezier(.4,0,.2,1); }
.theme-btn__icon.is-spin { animation: spin360-click .55s cubic-bezier(.4,0,.2,1); }

/* ============================================================
   Layout: profile sidebar + main content
   ============================================================ */
.page {
  max-width: none;
  margin: 0;
  padding: 40px clamp(20px, 3vw, 40px) 80px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.profile {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.profile__photo-wrap {
  width: 150px;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow:
    0 1px 2px rgb(0 0 0 / .08),
    0 20px 36px -28px rgb(0 0 0 / .35);
}
.profile__photo {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(.15) contrast(1.04);
}
.profile__name {
  font-family: "Geist", sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.015em;
  margin: 4px 0 0;
  color: var(--ink);
}
.profile__bio {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
  max-width: 240px;
}
.profile__tag {
  font-family: "Newsreader", serif;
  font-size: 14px;
  color: var(--muted);
  margin: -4px 0 4px;
}
.profile__tag em { color: var(--ink-2); }

.profile__meta {
  list-style: none;
  padding: 0;
  margin: 4px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-2);
}
.profile__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.profile__meta svg { color: var(--accent); flex-shrink: 0; }

.profile__socials {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.profile__social {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 6px;
  transition: color .15s, background-color .15s;
}
.profile__social:hover { color: var(--accent); background: var(--surface-2); }
.profile__social svg { color: currentColor; flex-shrink: 0; }

/* ---------- Mobile collapse ---------- */
@media (max-width: 880px) {
  .topbar__inner { padding: 12px 18px; gap: 10px 16px; flex-wrap: wrap; }
  .topbar__brand { font-size: 15px; order: 1; }
  .theme-btn { order: 2; margin-left: auto; }
  .topbar__nav {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-bottom: 2px;
    scrollbar-width: none;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
            mask-image: linear-gradient(90deg, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
  }
  .topbar__nav::-webkit-scrollbar { display: none; }
  .topnav-link { padding: 7px 13px; font-size: 13.5px; flex: 0 0 auto; }
  .page {
    grid-template-columns: 1fr;
    padding: 28px 20px 64px;
    gap: 32px;
  }
  .profile {
    position: relative; top: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 16px;
  }
  .profile__photo-wrap { width: 88px; }
  .profile__name, .profile__bio, .profile__tag { width: 100%; max-width: none; }
  .profile__meta { width: 100%; flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .profile__socials {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    border-top: 1px solid var(--border);
  }
  .profile__social { padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; }
  .profile__social span { display: none; }
}

/* ============================================================
   Page main + sections
   ============================================================ */
.page__main { min-width: 0; }

.section {
  padding: 56px 0;
  border-top: 1px solid var(--border);
}
.section:first-of-type {
  padding-top: 0;
  border-top: none;
}

/* ---------- Section head ---------- */
.kicker {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.sec-head { margin-bottom: 36px; }
.sec-head__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px 32px;
  flex-wrap: wrap;
  row-gap: 18px;
}
.sec-head__title {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.04;
  letter-spacing: -.025em;
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}
.sec-head__title em {
  font-family: "Newsreader", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.sec-head__sub {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 64ch;
  margin: 28px 0 0;
  text-wrap: pretty;
}

/* ============================================================
   Hero (home)
   ============================================================ */
.hero { padding: 8px 0 32px; }
.display {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: clamp(44px, 6.5vw, 88px);
  line-height: 1.0;
  letter-spacing: -.035em;
  margin: 0 0 32px;
  color: var(--ink);
}
.display em {
  font-family: "Newsreader", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero__body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 18px;
  line-height: 1.62;
  color: var(--ink-2);
  max-width: none;
  text-wrap: pretty;
}
.hero__body p { margin: 0; }

/* ============================================================
   Big link cards (home)
   ============================================================ */
.card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.card-cell { min-width: 0; }
.card-cell[data-span="third"] { grid-column: span 2; }
.card-cell[data-span="half"]  { grid-column: span 3; }

.big-card {
  position: relative;
  display: block;
  height: 230px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
  isolation: isolate;
  transition: border-color .22s, box-shadow .22s, transform .22s;
}
.big-card:hover {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  box-shadow: 0 26px 48px -30px var(--accent-glow);
  transform: translateY(-3px);
}

/* image-slot background */
.big-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  transition: transform .5s ease, filter .4s ease;
}
.big-card__media image-slot { width: 100% !important; height: 100% !important; }
.big-card__media:has(image-slot[data-filled]) {
  filter: saturate(1.05) brightness(.78);
  transform: scale(1.04);
}
.big-card:hover .big-card__media:has(image-slot[data-filled]) { transform: scale(1.09); }

/* gradient scrim — only over a filled photo */
.big-card__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s ease;
  background:
    linear-gradient(180deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,.72) 86%),
    radial-gradient(120% 90% at 12% 100%, color-mix(in oklab, var(--accent) 42%, transparent), transparent 60%);
}
.big-card__media:has(image-slot[data-filled]) + .big-card__scrim { opacity: 1; }

.big-card__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 22px 24px;
  color: inherit;
  pointer-events: none;
}
.big-card__num {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
}
.big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__num { color: color-mix(in oklab, var(--accent) 50%, white); }
.big-card__fill { flex: 1; }
.big-card__title {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 23px;
  line-height: 1.12;
  letter-spacing: -.018em;
  margin: 0 0 7px;
  color: var(--ink);
  text-wrap: balance;
  pointer-events: auto;
  cursor: pointer;
}
.big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__title,
.big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__desc { color: oklch(96% 0.01 255); }
.big-card__desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 14px;
  text-wrap: pretty;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.big-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  pointer-events: auto;
  align-self: flex-start;
}
.big-card__cta svg { transition: transform .2s; }
.big-card:hover .big-card__cta svg { transform: translateX(4px); }

/* Minimal mode — hide the photo background, behave like a clean surface card */
[data-cards="minimal"] .big-card__media { opacity: 0; pointer-events: none; }
[data-cards="minimal"] .big-card { background: var(--surface); height: auto; min-height: 190px; }
[data-cards="minimal"] .big-card__scrim { opacity: 0 !important; }
[data-cards="minimal"] .big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__title,
[data-cards="minimal"] .big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__desc { color: inherit; }
[data-cards="minimal"] .big-card__media:has(image-slot[data-filled]) ~ .big-card__body .big-card__num { color: var(--accent); }

@media (max-width: 980px) {
  .card-grid { grid-template-columns: repeat(4, 1fr); }
  .card-cell[data-span="third"] { grid-column: span 2; }
  .card-cell[data-span="half"]  { grid-column: span 2; }
}
@media (max-width: 620px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-cell[data-span="third"], .card-cell[data-span="half"] { grid-column: span 1; }
  .big-card { height: 200px; }
}

/* ============================================================
   Skills (home)
   ============================================================ */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 720px) { .skill-groups { grid-template-columns: 1fr; } }
.skill-group {
  border: 1px solid color-mix(in oklab, var(--border) 65%, transparent);
  border-radius: 18px;
  padding: 24px 24px 22px;
  background: color-mix(in oklab, var(--surface) 42%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  box-shadow: inset 0 1px 0 color-mix(in oklab, white 8%, transparent);
  transition: border-color .2s, transform .2s;
}
.skill-group:hover {
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
  transform: translateY(-2px);
}
.skill-group header { margin-bottom: 16px; }
.skill-group__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.skill-group__count {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface-2) 50%, transparent);
}
.skill-group__label {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent);
  text-transform: uppercase;
}
.skill-group h3 {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -.01em;
  margin: 0 0 6px;
}
.skill-group header p {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}
.skill-group__divider {
  height: 1px;
  margin: 0 0 16px;
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 40%, transparent), transparent 70%);
}
.skill-cloud {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.skill-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 13px;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 10px;
  background: color-mix(in oklab, var(--surface-2) 45%, transparent);
  font-size: 13px;
  line-height: 1;
  transition: border-color .18s, background-color .18s, transform .18s;
}
.skill-chip:hover {
  border-color: color-mix(in oklab, var(--accent) 40%, var(--border));
  background: color-mix(in oklab, var(--accent) 8%, var(--surface-2));
  transform: translateX(2px);
}
.skill-chip__name { color: var(--ink); font-weight: 500; white-space: nowrap; }
.skill-chip__tag {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 6px;
  border-radius: 5px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
}
.skill-chip__lvl { display: inline-flex; gap: 3px; align-items: center; margin-left: auto; flex-shrink: 0; }
.skill-chip__lvl i {
  width: 12px; height: 4px; border-radius: 2px;
  background: var(--border-strong);
  display: inline-block;
}
.skill-chip__lvl i.on { background: var(--accent); }

/* ============================================================
   Beyond engineering (home)
   ============================================================ */
.beyond-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.beyond-head .sec-head { margin-bottom: 0; flex: 1; }
.beyond-nav { display: flex; gap: 8px; }
.beyond-arrow {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  transition: all .18s;
}
.beyond-arrow:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.beyond-arrow .flip { transform: rotate(180deg); }

/* Track — carousel by default, grid via tweak */
.beyond {
  margin-top: 28px;
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 2px 16px;
  scrollbar-width: none;
  perspective: 1100px;
}
.beyond::-webkit-scrollbar { display: none; }
.beyond > .beyond-card {
  flex: 0 0 clamp(248px, 30%, 320px);
  scroll-snap-align: start;
}
[data-beyond="grid"] .beyond {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: visible;
}
[data-beyond="grid"] .beyond > .beyond-card { flex: none; }
[data-beyond="grid"] .beyond-nav { display: none; }
@media (max-width: 880px) { [data-beyond="grid"] .beyond { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) {
  [data-beyond="grid"] .beyond { grid-template-columns: 1fr; }
  .beyond > .beyond-card { flex-basis: 78%; }
}

.beyond-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  min-height: 188px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: inherit;
  overflow: hidden;
  transition: transform .22s, border-color .22s, box-shadow .22s;
}
.beyond-card.is-link { cursor: pointer; }
.beyond-card:hover {
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
  box-shadow: 0 18px 42px -28px var(--accent-glow);
  transform: translateY(-3px);
}
.beyond-card__glow { display: none; }
.beyond-card__icon {
  position: relative;
  z-index: 1;
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 11px;
  background: color-mix(in oklab, var(--accent) 14%, var(--surface));
  color: var(--accent);
  transform: none;
}
.beyond-card__txt { position: relative; z-index: 1; }
.beyond-card__h {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 16.5px;
  letter-spacing: -.008em;
  margin: 0 0 6px;
  color: var(--ink);
}
.beyond-card__p {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}
.beyond-card__out {
  position: absolute;
  top: 18px; right: 18px;
  z-index: 1;
  color: var(--muted);
  opacity: .7;
  transition: opacity .2s, color .2s, transform .2s;
}
.beyond-card.is-link:hover .beyond-card__out { opacity: 1; color: var(--accent); transform: translate(2px, -2px); }

/* ============================================================
   Contact (home)
   ============================================================ */
.contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  transition: all .2s;
}
.cta:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.cta--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.cta--primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: var(--bg);
}
.cta--ghost {
  background: transparent;
}
.cta--sm {
  padding: 9px 16px;
  font-size: 12.5px;
  gap: 8px;
}
.cta--sm svg { transition: transform .2s; }
.cta--sm:hover svg { transform: translateX(3px); }

/* ============================================================
   Timeline (work + education shared)
   ============================================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 6px;
}
/* continuous vertical rail through the node column */
.tl-rail {
  position: relative;
  display: flex;
  justify-content: center;
}
.tl-rail::before {
  content: "";
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(var(--border-strong), color-mix(in oklab, var(--border-strong) 60%, var(--border)));
}
.tl-item:first-child .tl-rail::before { top: 32px; }
.tl-item:last-child .tl-rail::before { bottom: auto; height: 32px; }
.tl-node {
  position: relative;
  margin-top: 25px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  z-index: 1;
  transition: border-color .2s, background-color .2s;
}
.tl-item:hover .tl-node { border-color: var(--accent); }
.tl-item.is-current .tl-node {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 22%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}

.tl-card {
  position: relative;
  display: block;
  margin-bottom: 16px;
  padding: 22px 24px 22px 40%;
  min-height: 200px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.tl-card:hover {
  border-color: color-mix(in oklab, var(--accent) 32%, var(--border));
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -32px var(--accent-glow);
}
.tl-item.is-current .tl-card { border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); }
.tl-card__media {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 46%;
  overflow: hidden;
}
.tl-card__media image-slot { width: 100% !important; height: 100% !important; }
/* gradient fade: photo dissolves into the card background on its right edge */
.tl-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 40%,
    color-mix(in oklab, var(--surface) 55%, transparent) 70%,
    var(--surface) 100%
  );
}
.tl-card__content { position: relative; z-index: 1; min-width: 0; }
.tl-card--nomedia { padding-left: 24px; }
.tl-card--nomedia .tl-card__media { display: none; }
@media (max-width: 720px) {
  .tl-card { padding: 0; }
  .tl-card__media {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
  .tl-card__media::after { display: none; }
  .tl-card__content { padding: 16px 20px 20px; }
}

.tl-card__when {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.tl-card__range {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  white-space: nowrap;
}
.tl-card__now {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 4px 11px 4px 9px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--accent) 32%, transparent);
  background: color-mix(in oklab, var(--accent) 12%, transparent);
}
.tl-card__now-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  animation: livePulse 2s ease-out infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--accent) 55%, transparent); }
  70%, 100% { box-shadow: 0 0 0 6px color-mix(in oklab, var(--accent) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .tl-card__now-dot { animation: none; }
}
.tl-card__title {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -.012em;
  margin: 0 0 6px;
  color: var(--ink);
}
.tl-card__org { color: var(--ink-2); font-weight: 400; }
.tl-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.tl-card__meta span + span::before {
  content: "·";
  margin-right: 14px;
  color: var(--subtle);
}
.tl-card__desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}
.tl-card__chips { margin-top: 14px; }
.tl-card__cta {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}
.tl-card__cta svg { transition: transform .2s; }
.tl-card:hover .tl-card__cta { color: var(--accent-2); }
.tl-card:hover .tl-card__cta svg { transform: translateX(4px); }
.tl-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.tl-card__more {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 0;
  color: var(--accent);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.tl-card__more:hover { color: var(--accent-2); }
.tl-card__extra {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
}
.tl-card__extra ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tl-card__extra li {
  padding-left: 18px;
  position: relative;
}
.tl-card__extra li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: "Geist Mono", monospace;
  font-size: 13px;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 10%, var(--surface-2));
  color: var(--ink-2);
}

.linkout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  align-self: flex-start;
}
.linkout:hover { color: var(--accent-2); }
.linkout svg { transition: transform .15s; }
.linkout:hover svg { transform: translate(2px, -2px); }

@media (max-width: 720px) {
  .tl-card { grid-template-columns: 1fr; gap: 14px; padding: 18px; }
  .tl-card__media { width: 92px; height: 92px; }
}

/* ============================================================
   Projects grid
   ============================================================ */
.proj-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.proj-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.proj-filter__btn:hover { color: var(--ink); border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); }
.proj-filter__btn.is-active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}
.proj-filter__count {
  font-size: 10.5px;
  padding: 1px 7px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--ink) 10%, transparent);
  color: inherit;
}
.proj-filter__btn.is-active .proj-filter__count {
  background: color-mix(in oklab, var(--bg) 26%, transparent);
}

.proj-grid {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.proj-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: 248px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color .22s, transform .22s, box-shadow .22s;
}
.proj-card:hover {
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
  box-shadow: 0 18px 42px -28px var(--accent-glow);
  transform: translateY(-2px);
}
.proj-card__visual {
  position: relative;
  background: var(--surface-2);
  min-height: 220px;
}
/* photo dissolves into the card background on its right edge — matches work/education */
.proj-card__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 40%,
    color-mix(in oklab, var(--surface) 55%, transparent) 70%,
    var(--surface) 100%
  );
}
.proj-card__body {
  display: flex;
  flex-direction: column;
  padding: 20px 24px;
  overflow: hidden;
}
@media (max-width: 720px) {
  .proj-card { grid-template-columns: 1fr; height: auto; }
  .proj-card__visual { border-right: none; border-bottom: 1px solid var(--border); aspect-ratio: 16 / 9; min-height: 0; }
  .proj-card__visual::after { display: none; }
  .proj-card__desc { -webkit-line-clamp: 3; }
  .proj-card__title { -webkit-line-clamp: 3; }
}
.proj-card__year {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.proj-card__title {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: -.012em;
  margin: 0 0 6px;
  color: var(--ink);
  text-wrap: balance;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.proj-card__desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 12px;
  text-wrap: pretty;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.proj-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 24px;
  overflow: hidden;
}
.proj-card__links {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.proj-card__open { align-self: flex-start; }

/* ============================================================
   Project detail page
   ============================================================ */
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
  transition: color .2s;
}
.detail-back:hover { color: var(--accent); }
.detail-back .flip { transform: rotate(180deg); transition: transform .2s; }
.detail-back:hover .flip { transform: rotate(180deg) translateX(3px); }

.proj-detail__head { margin-bottom: 28px; }
.proj-detail__title {
  font-family: "Geist", sans-serif;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 16px;
  text-wrap: balance;
}
.proj-detail__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-2);
}
.proj-detail__dot { color: var(--muted); }

.proj-detail__hero {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  margin-bottom: 40px;
}
.proj-detail__hero image-slot { width: 100% !important; height: 100% !important; }
.proj-detail__hero--contain {
  background:
    radial-gradient(120% 120% at 50% 0%, color-mix(in oklab, var(--accent) 8%, var(--surface-2)), var(--surface-2));
}
.proj-detail__hero--contain image-slot { padding: clamp(20px, 4vw, 48px); box-sizing: border-box; }

.detail-list {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: clamp(14.5px, 1.2vw, 16px);
  line-height: 1.6;
  color: var(--ink-2);
}
.detail-list li {
  padding-left: 24px;
  position: relative;
  text-wrap: pretty;
}
.detail-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent);
  font-family: "Geist Mono", monospace;
}

.proj-detail__refs {
  margin-top: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.proj-detail__refs .proj-detail__label { border-bottom: none; padding-bottom: 0; margin-bottom: 14px; }
.proj-detail__refs ol {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.proj-detail__refs li {
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  text-wrap: pretty;
  padding-left: 4px;
}

.proj-detail__grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.proj-detail__body { display: flex; flex-direction: column; gap: 18px; }
.proj-detail__lead {
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0;
  text-wrap: pretty;
}
.proj-detail__aside {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 96px;
}
.proj-detail__block { display: flex; flex-direction: column; gap: 14px; }
.proj-detail__label {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.proj-detail__tags { max-height: none; }
.proj-detail__links { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }

.detail-missing { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }

@media (max-width: 820px) {
  .proj-detail__grid { grid-template-columns: 1fr; gap: 32px; }
  .proj-detail__aside { position: relative; top: auto; flex-direction: row; flex-wrap: wrap; gap: 32px; }
  .proj-detail__block { flex: 1 1 200px; }
  .proj-detail__hero { aspect-ratio: 16 / 9; }
}
@media (max-width: 560px) {
  .proj-detail__links { flex-direction: row; flex-wrap: wrap; }
}

/* ============================================================
   Footer
   ============================================================ */
.page-footer {
  max-width: none;
  margin: 0;
  padding: 24px clamp(20px, 3vw, 40px) 36px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px 24px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.page-footer a { color: var(--accent); }
.page-footer a:hover { color: var(--accent-2); }
.page-footer__cell { flex: 1 1 240px; }
.page-footer__cell--end { text-align: right; }
.federation {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: color-mix(in oklab, var(--accent) 8%, var(--surface));
  color: var(--ink-2) !important;
  text-transform: uppercase;
  letter-spacing: .12em;
  white-space: nowrap;
  transition: border-color .2s, color .2s, background-color .2s, transform .2s;
}
.federation:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
  background: color-mix(in oklab, var(--accent) 14%, var(--surface));
  transform: translateY(-1px);
}
.federation svg { color: var(--accent); }
@media (max-width: 720px) {
  .page-footer { flex-direction: column; text-align: center; }
  .page-footer__cell, .page-footer__cell--end { text-align: center; flex: none; }
}

/* ============================================================
   On-page section progress (home sidebar)
   ============================================================ */
.secprog {
  margin-top: 4px;
  padding: 16px 16px 12px;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 40%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.secprog__title {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.secprog__item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 6px 2px;
  background: transparent;
  border: none;
  text-align: left;
  color: var(--muted);
  font-size: 13px;
  transition: color .18s;
}
.secprog__node {
  position: relative;
  width: 8px; height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: transparent;
  transition: all .2s;
}
.secprog__label { transition: transform .2s; letter-spacing: -.005em; }
.secprog__item:hover { color: var(--ink-2); }
.secprog__item.is-active { color: var(--accent); }
.secprog__item.is-active .secprog__node {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
}
.secprog__item.is-active .secprog__label { transform: translateX(2px); font-weight: 500; }
@media (max-width: 880px) { .secprog { display: none; } }

/* ============================================================
   Projects — image-slot fill
   ============================================================ */
.proj-card__visual { position: relative; }
.proj-card__visual image-slot { width: 100% !important; height: 100% !important; }

/* ============================================================
   Empty state (Publications / Volar placeholders)
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 60px 32px;
  border: 1px dashed var(--border-strong);
  border-radius: 20px;
  background: color-mix(in oklab, var(--surface) 70%, transparent);
}
.empty-state__icon {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: color-mix(in oklab, var(--accent) 12%, var(--surface));
  color: var(--accent);
}
.empty-state__title {
  font-family: "Geist", sans-serif;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -.015em;
  margin: 0;
  color: var(--ink);
}
.empty-state__text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 52ch;
  margin: 0;
  text-wrap: pretty;
}
.empty-state__slot {
  width: min(640px, 100%);
  height: 300px;
  margin-top: 12px;
}
.empty-state__slot image-slot { width: 100% !important; height: 100% !important; }

/* Make the link cards section sit closer to the hero */
.section--flush { padding-top: 40px; }

/* ============================================================
   image-slot — make placeholders legible on the dark theme
   ============================================================ */
image-slot::part(frame) {
  background: color-mix(in oklab, var(--accent) 9%, var(--surface-2));
  border-radius: inherit;
}
image-slot::part(empty) {
  color: var(--muted);
}
[data-theme="night"] image-slot::part(frame) {
  background: color-mix(in oklab, var(--accent) 14%, var(--surface-2));
}