/* CRT terminal portfolio, after the Terminal Mystery launch site: Rosé Pine on
   JetBrains Mono behind a steady CRT treatment, in flat colour only: the
   scanlines are a tiled 3px SVG stripe and the power-on is two flat panels. */

:root {
  /* Rosé Pine, the game's palette */
  --base: #191724;
  --surface: #1f1d2e;
  --outline: #393552;
  --foam: #9ccfd8;   /* banner, links */
  --text: #a3b2ea;   /* output: lifted from the game's #8099e0 for long-form reading */
  --user: #c2d1ff;   /* typed input, headings */
  --prompt: #6b80c7;
  --gold: #f6c177;   /* status, dates */
  --dim: #908caa;
  --rose: #eb6f92;

  --pad: clamp(16px, 4.5vw, 48px);
  --cmd: 1.5rem; /* every "$ command" line, hero and section headings alike */
  --bar: 44px;  /* top tab bar height, also its tap-target height */
  --col: 800px; /* the banner fills it, so the hero and every section share one centred column */
  --glow: 0 0 8px rgba(156, 207, 216, 0.22); /* faint phosphor, only on a few hero lines */

  color-scheme: dark;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--bar) + 16px); }

body {
  margin: 0;
  background: var(--base);
  color: var(--text);
  font: 16px/1.65 "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-ligatures: none;
  padding-bottom: 44px; /* room for the status bar */
}

/* Scanlines over everything: one dark row in every three, as a tiled image. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='3'%3E%3Crect y='2' width='4' height='1' fill='%23000' fill-opacity='0.08'/%3E%3C/svg%3E");
}

a { color: var(--foam); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--user); background: var(--outline); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 60; background: var(--gold); color: var(--base); padding: 8px 12px; }
.skip:focus { left: 8px; }

.screen {
  max-width: var(--col);
  margin: 0 auto;
  padding: var(--pad);
}

/* ------------------------------------------------------------------ hero */

.hero { display: flex; flex-direction: column; gap: 20px; padding-block: 24px 8px; margin-top: calc(var(--pad) / -3); } /* 24px of room under the top bar */

.banner {
  /* drawn as rects (see index.html) so it never depends on a font having U+2588 */
  display: block;
  width: 100%;
  height: auto;
  color: var(--foam);
  animation: banner-glow 4.5s ease-in-out infinite;
}

@keyframes banner-glow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(156, 207, 216, 0.28)) drop-shadow(0 0 14px rgba(156, 207, 216, 0.14)); }
  50%      { filter: drop-shadow(0 0 7px rgba(156, 207, 216, 0.4)) drop-shadow(0 0 22px rgba(156, 207, 216, 0.2)); }
}

.console p, .console h1 { margin: 0; }
.prompt { color: var(--prompt); }
.out { color: var(--text); }
.dim { color: var(--dim); font-weight: 400; }

.title { margin: 0; }
.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; }
.console .out { max-width: 72ch; }

/* pitch and links side by side: each a $ line over a card, cards stretched to equal height */
.hero-cols { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; margin: 8px 0 16px; }
.hero-cols > div { display: flex; flex-direction: column; }
.hero-cols .card { flex: 1; margin: 0; display: flex; flex-direction: column; justify-content: center; } /* whichever card is stretched keeps its content mid-card */
.hero-links .links { flex-direction: column; gap: 0; margin: 0; }
/* each link spans the card's inner width (plus 8px into the padding on both sides),
   so its hover highlight sits evenly inside the card */
.hero-links .links a { display: flex; margin: 0 -8px; padding: 0 8px; }

.links { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 2px 0 10px; }
.links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; margin-left: -4px; }
.links a::before { content: "./"; color: var(--prompt); }

.status { color: var(--gold); letter-spacing: 0.18em; text-shadow: 0 0 10px rgba(246, 193, 119, 0.3); }

/* --------------------------------------------------------------- sections */

/* ------------------------------------------------- tmux-style top tab bar */

.tabs {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: stretch;
  height: var(--bar);
  padding: 0 var(--pad);
  background: var(--surface);
  border-bottom: 1px solid var(--outline);
  font-size: 0.8rem;
  white-space: nowrap;
}
/* the section tabs scroll sideways on phones; the profile links stay pinned right */
.tab-list { position: relative; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.tab-list::-webkit-scrollbar { display: none; }
.bar-links { display: flex; flex: none; margin: 0 0 0 1ch; padding: 0; list-style: none; }
.bar-links svg { width: 16px; height: 16px; flex: none; }
.bar-links a { justify-content: center; min-width: 44px; padding: 0; } /* 44px tap target around a 16px logo */
.bar-links .label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.session { display: flex; align-items: center; padding: 0 1.2ch; margin-right: 1ch; background: var(--foam); color: var(--base); font-weight: 700; }
.tabs ol { display: flex; height: 100%; margin: 0; padding: 0; list-style: none; }
.tabs a { display: flex; align-items: center; height: 100%; padding: 0 1ch; color: #adb3d1; text-decoration: none; }
.tabs a:hover { color: var(--user); background: var(--outline); }
.tabs .n { color: var(--prompt); }
.tabs a[aria-current="true"] { color: var(--gold); }
.tabs a[aria-current="true"]::after { content: "*"; }

section { padding-top: 56px; }
#experience { padding-top: 32px; }

/* every "$ command" line looks the same: muted prompt, bold foam target, 16px down to its card */
.line, h2 { font-size: var(--cmd); line-height: 1.35; color: var(--foam); font-weight: 700; text-shadow: var(--glow); overflow-wrap: anywhere; margin: 0 0 16px; }
.line .prompt, h2 .prompt { font-weight: 400; }
.hero .line { margin-bottom: 16px; } /* beats .console p's reset so hero lines space like h2 */

h3 { font-size: 1rem; color: var(--user); margin: 0; }
.at { color: var(--foam); }

.when { color: var(--gold); margin: 2px 0 12px; font-size: 0.9rem; }
.note { color: var(--dim); font-size: 0.9rem; }

.bullets { margin: 0; padding-left: 0; list-style: none; }
.bullets li { position: relative; padding-left: 2ch; margin-bottom: 10px; }
.bullets li::before { content: "-"; position: absolute; left: 0; color: var(--prompt); }

.oss { list-style: none; margin: 0; padding: 0; }
.oss p { margin: 6px 0 0; }
.pr { color: var(--dim); }
.pr a { color: var(--gold); }

/* one project = one block on a slightly raised surface */
/* the one boxed style on the page: hero, experience, open source, projects, skills, education, contact */
.card { border: 1px solid var(--outline); background: var(--surface); padding: 18px 20px; margin-bottom: 18px; }
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

dl { display: grid; grid-template-columns: 11ch 1fr; gap: 6px 16px; margin: 0; }
dt { color: var(--prompt); }
dt::after { content: ":"; }
dd { margin: 0; }
.tags { color: var(--foam); }

figure { margin: 14px 0 0; }
figcaption { color: var(--dim); font-size: 0.85rem; margin-top: 6px; }
img { display: block; max-width: 100%; height: auto; border: 1px solid var(--outline); }

pre.proof { margin: 14px 0 0; padding: 12px 14px; background: var(--base); border: 1px solid var(--outline); color: var(--user); overflow-x: auto; font: inherit; font-size: 0.88rem; line-height: 1.5; }
code { font: inherit; color: var(--user); }

.proof-table { margin-top: 14px; border-collapse: collapse; font-size: 0.88rem; }
.proof-table caption { text-align: left; color: var(--dim); padding-bottom: 6px; }
.proof-table th, .proof-table td { border: 1px solid var(--outline); padding: 6px 12px; text-align: left; }
.proof-table th { color: var(--prompt); font-weight: 400; }
.proof-table td:last-child { color: var(--gold); text-align: right; }

/* the extra projects: compact cards, two per row */
.more { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.more .card { margin: 0; }
.more p { margin: 6px 0 0; }

.kv { grid-template-columns: 18ch 1fr; }

#education p { margin: 0 0 8px; }
strong { color: var(--user); }

#contact .links { gap: 4px 22px; }
.end { margin-top: 16px; }

.cursor { display: inline-block; width: 0.6em; height: 1.14em; vertical-align: -0.28em; background: var(--user); box-shadow: 0 0 10px rgba(194, 209, 255, 0.5); animation: blink 0.9s steps(1, end) infinite; }

.footer { margin-top: 64px; padding-top: 14px; border-top: 1px solid var(--outline); color: var(--dim); font-size: 0.85rem; }
.footer p { margin: 0; }

/* ----------------------------------------------------- the game's status bar */

.status-bar, .cmdline {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  height: 32px;
  align-items: center;
  padding: 0 var(--pad);
  background: var(--surface);
  border-top: 1px solid var(--outline);
  color: #adb3d1;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}
.status-bar span:nth-child(2) { opacity: 0.75; }

.cmdline { justify-content: flex-start; gap: 0.5ch; z-index: 41; }
.cmdline[hidden] { display: none; }
.cmdline input { flex: 1; background: transparent; border: 0; color: var(--user); font: inherit; letter-spacing: 0; }
.cmdline input:focus { outline: none; }

/* ---------------------------------------------------- switching the tube on */

.power { position: fixed; inset: 0; z-index: 70; pointer-events: none; animation: power-gone 1.2s linear both; }
.half { position: absolute; left: 0; right: 0; height: 50%; background: #050409; }
.top { top: 0; transform-origin: top; animation: open-top 1.2s linear both; }
.bottom { bottom: 0; transform-origin: bottom; animation: open-bottom 1.2s linear both; }
.hotline {
  position: absolute; left: 0; right: 0; top: calc(50% - 1px); height: 2px;
  background: #f2fbff;
  box-shadow: 0 0 12px 2px rgba(226, 246, 255, 0.95), 0 0 44px 10px rgba(180, 226, 240, 0.55);
  animation: hotline 1.2s linear both;
}

/* the beam holds as a line, then the raster opens past full height and settles */
@keyframes open-top    { 0%, 30% { transform: scaleY(1); } 50% { transform: scaleY(0.4); } 62%, 100% { transform: scaleY(0); } }
@keyframes open-bottom { 0%, 30% { transform: scaleY(1); } 50% { transform: scaleY(0.4); } 62%, 100% { transform: scaleY(0); } }
@keyframes hotline {
  0%   { transform: scaleX(0); opacity: 0; }
  6%   { transform: scaleX(1.05); opacity: 1; }
  30%  { transform: scaleX(1) scaleY(1.4); opacity: 1; }
  42%  { transform: scaleX(1) scaleY(2.6); opacity: 0.8; }
  56%  { opacity: 0.25; }
  66%, 100% { opacity: 0; }
}
@keyframes power-gone { 0%, 99% { visibility: visible; } 100% { visibility: hidden; } }

@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

/* ------------------------------------------------------------------ small */

@media (max-width: 640px) {
  body { font-size: 15px; }
  :root { --cmd: 1.25rem; }
  /* the tab bar costs 44px, so the hero packs tighter to keep the links on the first screen */
  .hero { gap: 16px; padding-block: 16px 12px; }
  /* pitch and links stack, links first so they stay on the first screen, as a 2x2 grid */
  .hero-cols { grid-template-columns: 1fr; gap: 16px; margin: 10px 0 10px; }
  .hero-cols .card { flex: none; }
  .hero-links { order: -1; }
  .hero-links .links { display: grid; grid-template-columns: 1fr 1fr; }
  dl, .kv { grid-template-columns: 1fr; gap: 0; }
  dd { margin-bottom: 10px; }
  .card { padding: 14px; }
  .more { grid-template-columns: 1fr; }
  .status-bar span:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .power { display: none; }
  .banner, .cursor { animation: none; }
  .banner { filter: drop-shadow(0 0 4px rgba(156, 207, 216, 0.28)) drop-shadow(0 0 14px rgba(156, 207, 216, 0.14)); }
}