/* ==================================================================
   pantaleontech.com — styles
   Bold modern, gradient-forward. Dark + light, auto or manual.
   ================================================================== */

/* ---------- tokens ---------- */
:root {
  --g1: #6d5efc;
  --g2: #b14bff;
  --g3: #ff5f9e;
  --g4: #22d3ee;

  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1140px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-display: "Sora", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

html[data-theme="dark"] {
  --bg: #08080f;
  --bg-2: #0e0e1a;
  /* Dark glass, not white glass. A translucent white surface over the coloured
     aurora produced washed-out panels where body text fell to ~2.8:1. */
  --surface: rgba(18,18,26,.80);
  --surface-2: rgba(26,26,38,.88);
  --border: rgba(255,255,255,.10);
  --border-strong: rgba(255,255,255,.18);
  --text: #f2f2f7;
  --text-2: #a7a7bd;
  --text-3: #9494ab;
  --shadow: 0 24px 60px -20px rgba(0,0,0,.8);
  --aurora-op: .30;
  --grid-op: .05;
  --chip-bg: rgba(255,255,255,.06);
  /* For panels that must stay legible over the coloured aurora. --surface is
     only 3.5% white, so it lets the gradient blobs bleed straight through. */
  --surface-solid: rgba(22, 22, 31, .92);
}

html[data-theme="light"] {
  --bg: #fbfbff;
  --bg-2: #f2f1fb;
  --surface: rgba(255,255,255,.88);
  --surface-2: #ffffff;
  --border: rgba(20,16,50,.10);
  --border-strong: rgba(20,16,50,.18);
  --text: #14102e;
  --text-2: #4d4967;
  --text-3: #6e6a8c;
  --shadow: 0 20px 50px -24px rgba(40,20,90,.28);
  --aurora-op: .28;
  --grid-op: .05;
  --chip-bg: rgba(109,94,252,.08);
  --surface-solid: rgba(255, 255, 255, .93);
}

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

/* --header-h is kept in sync with the real header height by app.js; the fallback
   covers the moment before scripts run. +1.5rem leaves the heading clear of it. */
html {
  --header-h: 72px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1.5rem);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .4s var(--ease), color .4s var(--ease);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.center { text-align: center; }
.muted { color: var(--text-3); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--g1); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--g4); outline-offset: 3px; border-radius: 6px; }

/* ---------- background ---------- */
.bg-aurora {
  position: fixed; inset: -25% -10% auto -10%; height: 130vh; z-index: -2;
  pointer-events: none; opacity: var(--aurora-op);
  background:
    radial-gradient(46rem 30rem at 12% 6%,  var(--g1), transparent 62%),
    radial-gradient(40rem 26rem at 88% 2%,  var(--g2), transparent 60%),
    radial-gradient(36rem 26rem at 70% 46%, var(--g4), transparent 60%),
    radial-gradient(34rem 24rem at 20% 62%, var(--g3), transparent 62%);
  /* No filter: blur() here. A blur on an animated, position:fixed layer is
     re-rasterised every frame and repainted on every scroll tick, which is what
     made the page flicker. The radial gradients are already soft enough. */
  animation: drift 26s var(--ease) infinite alternate;
  will-change: transform;
  transform: translateZ(0);
}
@keyframes drift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  100% { transform: translate3d(-3%, 3%, 0) scale(1.12); }
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: var(--grid-op);
  background-image: linear-gradient(var(--text) 1px, transparent 1px),
                    linear-gradient(90deg, var(--text) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
  transform: translateZ(0);   /* own compositor layer; stops mask repaint on scroll */
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid transparent;
  /* Promote to its own layer so the backdrop-filter isn't recomposited against
     a repainting background on every scroll frame. */
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.site-header.stuck {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom-color: var(--border);
}
.header-inner { display: flex; align-items: center; gap: 1.25rem; height: 72px; }

.brand { display: flex; align-items: center; gap: .65rem; font-family: var(--font-display); font-weight: 700; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--g1), var(--g2) 55%, var(--g3));
  color: #fff; font-size: .82rem; letter-spacing: .02em;
  box-shadow: 0 6px 18px -6px var(--g2);
}
.brand-text { font-size: .98rem; white-space: nowrap; }

.nav { display: flex; gap: .35rem; margin-left: auto; }
.nav a {
  position: relative; padding: .45rem .7rem; border-radius: 8px;
  font-size: .9rem; font-weight: 500; color: var(--text-2);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav a:hover { color: var(--text); background: var(--surface); }
.nav a.active { color: var(--text); }
.nav a.active::after {
  content: ""; position: absolute; left: .7rem; right: .7rem; bottom: .18rem; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--g1), var(--g3));
}

.controls { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
@media (min-width: 981px) { .controls { margin-left: 1rem; } }

.seg {
  display: inline-flex; padding: 3px; gap: 2px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
}
.seg button {
  border: 0; background: transparent; cursor: pointer; border-radius: 999px;
  padding: .3rem .68rem; font-size: .76rem; font-weight: 600; letter-spacing: .04em;
  color: var(--text-3); transition: all .2s var(--ease);
}
.seg button[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--g1), var(--g2));
  color: #fff; box-shadow: 0 4px 14px -6px var(--g2);
}

.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; cursor: pointer;
  border-radius: 10px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text-2); transition: all .2s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }
.icon-btn svg { display: none; }
#themeBtn[data-mode="light"] .i-sun,
#themeBtn[data-mode="dark"]  .i-moon,
#themeBtn[data-mode="auto"]  .i-auto { display: block; }

.burger { display: none; flex-direction: column; gap: 4px; }
.burger span { display: block; width: 16px; height: 2px; border-radius: 2px; background: currentColor; transition: .25s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--g1), var(--g2), var(--g3));
}

.mobile-nav {
  position: sticky; top: var(--header-h, 72px); z-index: 99; display: grid; gap: .1rem; padding: .8rem 1.25rem 1.1rem;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
}
/* An author-level `display` beats the UA stylesheet's [hidden] rule, so the
   hidden attribute has to be honoured explicitly or the drawer never closes. */
.mobile-nav[hidden] { display: none; }
.mobile-nav a { padding: .6rem .4rem; border-radius: 8px; color: var(--text-2); font-weight: 500; }
.mobile-nav a:hover { background: var(--surface); color: var(--text); }

/* ---------- sections ---------- */
.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }

.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem); line-height: 1.12;
  letter-spacing: -.025em; margin: 0 0 .4rem;
}
.section-title::after {
  content: ""; display: block; width: 54px; height: 4px; margin-top: .8rem;
  border-radius: 4px; background: linear-gradient(90deg, var(--g1), var(--g3));
}
.section-sub { color: var(--text-2); margin: 1rem 0 2.4rem; max-width: 60ch; }
.sub-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  margin: 3.5rem 0 1.4rem; letter-spacing: -.015em;
}

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.6rem;
  backdrop-filter: blur(10px);
}
.card h3 {
  font-family: var(--font-display); font-size: 1rem; margin: 0 0 1rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--text-3);
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem); }
.hero-inner {
  display: grid; grid-template-columns: minmax(0,1.35fr) minmax(0,.85fr);
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}

.eyebrow {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em;
  color: var(--text-3); margin: 0 0 1.1rem; text-transform: uppercase;
}
.hero-name {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 7.5vw, 4.8rem); line-height: 1.02;
  letter-spacing: -.04em; margin: 0 0 .7rem;
}
.grad {
  background: linear-gradient(100deg, var(--g1) 0%, var(--g2) 38%, var(--g3) 68%, var(--g4) 100%);
  background-size: 220% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 9s linear infinite;
}
@keyframes shimmer { to { background-position: 220% center; } }

.hero-tagline {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.15rem, 2.3vw, 1.55rem); line-height: 1.35;
  letter-spacing: -.015em; margin: 0 0 1rem;
}
.hero-blurb { color: var(--text-2); max-width: 58ch; margin: 0 0 1.5rem; }

.availability {
  display: inline-flex; align-items: center; gap: .6rem; margin: 0 0 1.8rem;
  padding: .4rem .9rem .4rem .7rem; border-radius: 999px;
  background: var(--chip-bg); border: 1px solid var(--border);
  font-size: .85rem; color: var(--text-2);
}
.pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex: none; }
.pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid #22c55e; opacity: .5; animation: ping 2s var(--ease) infinite;
}
@keyframes ping { to { transform: scale(1.9); opacity: 0; } }

.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 2rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.5rem; border-radius: 999px; cursor: pointer; border: 1px solid transparent;
  font-weight: 600; font-size: .93rem; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.btn-primary {
  background: linear-gradient(120deg, var(--g1), var(--g2) 60%, var(--g3));
  color: #fff; box-shadow: 0 12px 30px -12px var(--g2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -14px var(--g2); }
.btn-ghost { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { transform: translateY(-2px); background: var(--surface-2); }

.hero-socials { display: flex; gap: .6rem; list-style: none; padding: 0; margin: 0; }
.hero-socials a {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-2);
  transition: all .25s var(--ease);
}
.hero-socials a:hover {
  color: #fff; transform: translateY(-3px);
  background: linear-gradient(135deg, var(--g1), var(--g2));
  border-color: transparent; box-shadow: 0 10px 24px -10px var(--g2);
}

.hero-photo { position: relative; justify-self: center; width: min(100%, 340px); }
.hero-photo img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 28px;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow); position: relative; z-index: 1;
}
.photo-glow {
  position: absolute; inset: -14%; border-radius: 50%; z-index: 0; filter: blur(38px); opacity: .75;
  background: conic-gradient(from 0deg, var(--g1), var(--g2), var(--g3), var(--g4), var(--g1));
  animation: spin 16s linear infinite;
  will-change: transform;
}
@keyframes spin { to { transform: rotate(360deg); } }
.photo-chip {
  position: absolute; z-index: 2; bottom: -14px; left: 50%; transform: translateX(-50%);
  padding: .45rem 1rem; border-radius: 999px; white-space: nowrap;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border: 1px solid var(--border-strong); backdrop-filter: blur(10px);
}
.photo-chip code { font-family: var(--font-mono); font-size: .74rem; color: var(--text-2); letter-spacing: .04em; }

/* ---------- metrics ---------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin-top: 2.2rem; }
.metric {
  position: relative; overflow: hidden; padding: 1.5rem 1.4rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.metric::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--g1), var(--g2), var(--g3));
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.metric:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.metric:hover::before { transform: scaleX(1); }
.metric .v {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -.035em;
  font-size: clamp(2.1rem, 4.4vw, 2.9rem); line-height: 1;
  background: linear-gradient(120deg, var(--g1), var(--g2) 55%, var(--g3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric .l { font-weight: 600; margin: .45rem 0 .5rem; font-size: .98rem; }
.metric .n { color: var(--text-3); font-size: .85rem; line-height: 1.5; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(0,1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.prose p { color: var(--text-2); margin: 0 0 1.15rem; max-width: 66ch; }
.prose p:first-child { font-size: 1.08rem; color: var(--text); }

.callout {
  margin-top: 1.8rem; padding: 1.4rem 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--border); border-left: 3px solid transparent;
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    linear-gradient(180deg, var(--g1), var(--g3)) border-box;
}
.callout h3 { font-family: var(--font-display); margin: 0 0 .5rem; font-size: 1.02rem; }
.callout p { margin: 0; color: var(--text); font-size: .95rem; }

.facts dl { margin: 0; display: grid; gap: 1rem; }
.facts dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--text-3); margin-bottom: .15rem; }
.facts dd { margin: 0; font-weight: 500; font-size: .94rem; }

/* ---------- timeline ---------- */
.timeline { position: relative; display: grid; gap: 1rem; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(180deg, var(--g1), var(--g2) 40%, transparent);
  opacity: .45;
}
.job { position: relative; padding-left: 2.4rem; }
.job::before {
  content: ""; position: absolute; left: 0; top: 1.65rem; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--g2); z-index: 1;
}
.job.featured::before { background: linear-gradient(135deg, var(--g1), var(--g3)); border-color: transparent; box-shadow: 0 0 0 4px color-mix(in srgb, var(--g2) 22%, transparent); }
.job.hidden-role { display: none; }

.job-inner {
  padding: 1.5rem 1.6rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.job:hover .job-inner { transform: translateX(4px); border-color: var(--border-strong); }

.job-head { display: flex; flex-wrap: wrap; gap: .4rem 1rem; align-items: baseline; justify-content: space-between; }
.job-company { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -.01em; }
.job-period { font-family: var(--font-mono); font-size: .78rem; color: var(--text-3); white-space: nowrap; }
.job-role { color: var(--text-2); font-weight: 500; font-size: .95rem; margin: .2rem 0 .1rem; }
.job-loc { font-size: .8rem; color: var(--text-3); margin-bottom: .9rem; }
.job ul { margin: 0 0 1rem; padding-left: 1.1rem; }
.job li { color: var(--text-2); margin-bottom: .55rem; font-size: .94rem; }
.job li::marker { color: var(--g2); }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  font-family: var(--font-mono); font-size: .72rem; padding: .25rem .62rem;
  border-radius: 999px; background: var(--chip-bg); border: 1px solid var(--border); color: var(--text-2);
}

/* ---------- skills ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.skill-card {
  padding: 1.35rem 1.4rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.skill-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.skill-card h3 {
  font-family: var(--font-display); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .11em; color: var(--text-3); margin: 0 0 .9rem;
}

.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.tick-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.tick-list li { position: relative; padding-left: 1.5rem; color: var(--text-2); font-size: .92rem; }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 2px;
  background: linear-gradient(135deg, var(--g1), var(--g3));
}
.edu-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.1rem; }
.edu-list .d { font-weight: 600; font-size: .95rem; }
.edu-list .s { color: var(--text-2); font-size: .88rem; }
.edu-list .y { font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); }

/* ---------- posts & repos ---------- */
.post-grid, .repo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1rem; margin-bottom: 2rem; }

.post-card, .repo-card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.post-card:hover, .repo-card:hover {
  transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow);
}
.post-thumb { aspect-ratio: 16/9; object-fit: cover; width: 100%; background: var(--bg-2); }
.post-body, .repo-body { padding: 1.3rem 1.35rem; display: flex; flex-direction: column; flex: 1; }
.post-date { font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); margin-bottom: .5rem; }
.post-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.03rem; line-height: 1.35;
  letter-spacing: -.012em; margin: 0 0 .55rem;
}
.post-excerpt { color: var(--text-2); font-size: .89rem; margin: 0 0 1rem; flex: 1; }
.post-tags { display: flex; flex-wrap: wrap; gap: .35rem; }

.repo-name {
  font-family: var(--font-mono); font-weight: 500; font-size: 1rem; margin: 0 0 .5rem;
  display: flex; align-items: center; gap: .45rem; word-break: break-word;
}
.repo-name svg { flex: none; color: var(--text-3); }
.repo-desc { color: var(--text-2); font-size: .89rem; margin: 0 0 1.1rem; flex: 1; }
.repo-meta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; font-size: .78rem; color: var(--text-3); }
.repo-meta span { display: inline-flex; align-items: center; gap: .35rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--g4); flex: none; }

.skeleton-card {
  height: 210px; border-radius: var(--radius); border: 1px solid var(--border);
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 240% 100%; animation: sweep 1.5s var(--ease) infinite;
}
@keyframes sweep { to { background-position: -140% 0; } }

.feed-empty {
  grid-column: 1/-1; padding: 2rem; text-align: center; color: var(--text-3);
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
}

.link-arrow { font-weight: 600; font-size: .93rem; color: var(--text); border-bottom: 1px solid var(--border-strong); padding-bottom: 2px; }
.link-arrow::after { content: " →"; color: var(--g2); transition: margin .2s var(--ease); }
.link-arrow:hover::after { margin-left: .25rem; }

/* ---------- talks ---------- */
.talks { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.talks li {
  display: grid; grid-template-columns: 110px 1fr; gap: 1.2rem; align-items: start;
  padding: 1.15rem 1.3rem; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
}
.talks .ty { font-family: var(--font-mono); font-size: .78rem; color: var(--text-3); padding-top: .15rem; }
.talks .tt { font-weight: 600; font-size: .98rem; }
.talks .to { color: var(--g2); font-size: .84rem; margin-bottom: .3rem; }
.talks .td { color: var(--text-2); font-size: .89rem; }

/* ---------- connect ---------- */
.connect-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin-top: 2.2rem; }
.connect-card {
  display: flex; flex-direction: column; gap: .7rem; padding: 1.6rem;
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.connect-card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.connect-icon {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; color: #fff;
  background: linear-gradient(135deg, var(--g1), var(--g2));
}
.connect-card[data-net="github"]   .connect-icon { background: linear-gradient(135deg, #4b4b6b, #1b1b2b); }
.connect-card[data-net="linkedin"] .connect-icon { background: linear-gradient(135deg, #0a66c2, #084d92); }
.connect-card[data-net="medium"]   .connect-icon { background: linear-gradient(135deg, #2b2b2b, #000); }
html[data-theme="light"] .connect-card[data-net="medium"] .connect-icon { background: linear-gradient(135deg, #333, #111); }
.connect-card h3 { font-family: var(--font-display); margin: 0; font-size: 1.08rem; }
.connect-card p { margin: 0; color: var(--text-2); font-size: .89rem; flex: 1; }
.connect-handle { font-family: var(--font-mono); font-size: .8rem; color: var(--text-3); }

/* ---------- contact ---------- */
.contact-card {
  position: relative; overflow: hidden; padding: clamp(2rem, 5vw, 3.4rem); border-radius: 28px;
  border: 1px solid var(--border-strong); background: var(--surface); backdrop-filter: blur(14px);
}
.contact-card::before {
  content: ""; position: absolute; inset: -60% -20% auto -20%; height: 160%; z-index: -1; opacity: .3; filter: blur(50px);
  background: radial-gradient(30rem 18rem at 20% 20%, var(--g1), transparent 60%),
              radial-gradient(28rem 18rem at 80% 30%, var(--g3), transparent 60%);
}
.contact-card h2 {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -.03em;
  font-size: clamp(1.7rem, 4vw, 2.4rem); margin: 0 0 .6rem;
}
.contact-card > p { color: var(--text-2); margin: 0 0 2rem; max-width: 52ch; }
.contact-rows { display: grid; gap: 1.1rem; }
.contact-row { display: grid; grid-template-columns: 130px 1fr; gap: 1rem; align-items: center; padding-bottom: 1.1rem; border-bottom: 1px solid var(--border); }
.contact-row:last-child { border-bottom: 0; padding-bottom: 0; }
.ck { font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--text-3); }
.cv { font-weight: 500; display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.cv a { border-bottom: 1px solid var(--border-strong); padding-bottom: 1px; }
.cv a:hover { color: var(--g2); border-color: var(--g2); }
.cv-links a::before { content: "↓ "; color: var(--g2); }
.copy-btn {
  cursor: pointer; border: 1px solid var(--border); background: var(--chip-bg); color: var(--text-3);
  border-radius: 999px; padding: .18rem .7rem; font-size: .74rem; transition: all .2s var(--ease);
}
.copy-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 2.2rem 0; margin-top: 2rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; font-size: .85rem; color: var(--text-3); }
.footer-inner p { margin: 0; }

/* ---------- responsive ---------- */
/* Belt and braces: the drawer is a small-screen affordance only, so it stays
   hidden on desktop even if it was left open before a resize. */
@media (min-width: 981px) {
  .mobile-nav { display: none; }
}

@media (max-width: 980px) {
  .nav { display: none; }
  .burger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo { order: -1; width: min(45vw, 190px); justify-self: start; }
  .about-grid { grid-template-columns: 1fr; }
  .brand-text { display: none; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  /* On a phone the portrait is a supporting detail, not the headline. */
  .hero-photo { width: min(38vw, 140px); }
  .hero-photo img { border-radius: 20px; }
  .photo-chip { font-size: .9em; bottom: -11px; padding: .35rem .8rem; }
  .photo-chip code { font-size: .66rem; }
  .job { padding-left: 1.7rem; }
  .timeline::before { left: 6px; }
  .job::before { width: 14px; height: 14px; }
  .job-inner { padding: 1.25rem 1.2rem; }
  .talks li { grid-template-columns: 1fr; gap: .3rem; }
  .contact-row { grid-template-columns: 1fr; gap: .25rem; }
  .contact-row .ck { margin-bottom: .1rem; }
}

/* ---------- print ---------- */
@media print {
  .site-header, .mobile-nav, .bg-aurora, .bg-grid, .hero-actions, .hero-socials, .site-footer, .copy-btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .job-inner, .metric { border: 1px solid #ccc; background: #fff; }
}