/* rahzu.com ~ terminal aesthetic, zero dependencies */

:root {
  --bg: #0a0d10;
  --fg: #a9b4bc;
  --dim: #5d6873;
  --acc: #7fd8a4;
  --acc-soft: rgba(127, 216, 164, .28);
  --split-a: rgba(255, 45, 120, .55);
  --split-b: rgba(0, 229, 255, .55);
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: var(--acc); color: #062015; }

#bus {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
  pointer-events: none;
}

.top, main, footer { position: relative; z-index: 2; }

/* ---- header ---- */

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.5rem clamp(1.2rem, 5vw, 4rem);
}

.brand {
  color: var(--acc);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .05em;
}

nav { display: flex; gap: clamp(1.1rem, 3.5vw, 2.4rem); }

nav a, .mail {
  color: var(--fg);
  text-decoration: none;
  position: relative;
  padding: .15em 0;
}

nav a::before {
  content: "./";
  color: var(--dim);
  margin-right: .1em;
}

nav a:hover, nav a:focus-visible, .mail:hover, .mail:focus-visible {
  color: var(--acc);
  outline: none;
}

.glitching {
  animation: jitter .12s steps(2) infinite;
  text-shadow:
    -1px 0 var(--split-a),
    1px 0 var(--split-b);
}

@keyframes jitter {
  0%   { transform: translate(0, 0);      clip-path: inset(0 0 0 0); }
  25%  { transform: translate(-1px, 1px); clip-path: inset(12% 0 60% 0); }
  50%  { transform: translate(1px, -1px); clip-path: inset(60% 0 8% 0); }
  75%  { transform: translate(-1px, 0);   clip-path: inset(30% 0 30% 0); }
  100% { transform: translate(0, 0);      clip-path: inset(0 0 0 0); }
}

/* ---- layout ---- */

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 5vw, 2rem) 4rem;
}

section { margin-top: clamp(3.5rem, 9vh, 6rem); }

/* ---- hero / terminal session ---- */

.hero {
  margin-top: clamp(3.5rem, 12vh, 8rem);
  min-height: 24rem;
}

.line {
  color: var(--fg);
  font-size: .95rem;
  white-space: pre-wrap;
  word-break: break-all;
  margin-top: 1.1rem;
}

.term.js .line { opacity: 0; transition: opacity .2s ease; }
.term.js .line.on { opacity: 1; }

.line:first-child { margin-top: 0; }

.ps1 { color: var(--dim); }

.cmd { color: var(--fg); }

.cmd.typing::after {
  content: "";
  display: inline-block;
  width: .55em;
  height: 1em;
  margin-left: .1em;
  background: var(--acc);
  vertical-align: -.12em;
  animation: blink 1s steps(1) infinite;
}

.out {
  opacity: 0;
  transform: translateY(5px);
  transition: opacity .35s ease, transform .35s ease;
}

.out.on {
  opacity: 1;
  transform: none;
}

.handle {
  color: #e6edf1;
  font-size: clamp(3rem, 11vw, 5.5rem);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.05;
  margin: .4rem 0 .2rem;
}

.sub { margin-top: .2rem; color: var(--fg); }

.tags { margin-top: .35rem; color: var(--dim); font-size: .9rem; max-width: 58ch; }

.streams { color: var(--acc); margin-top: .2rem; }

.term { transition: opacity .55s ease; }
.term.fading { opacity: 0; }

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

h2 {
  color: #e6edf1;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 1rem;
}

h2 .hash { color: var(--acc); margin-right: .5em; }

section p { max-width: 62ch; }
section p + p { margin-top: .9rem; }

.streams {
  list-style: none;
  margin-top: 1.1rem;
  color: var(--fg);
}

.streams li { padding-left: 1.4em; position: relative; }
.streams li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--acc);
}

.key {
  display: inline-block;
  margin-top: .2rem;
  padding: .9rem 1.1rem;
  border: 1px solid #1b2229;
  border-left: 2px solid var(--acc);
  background: rgba(12, 16, 20, .72);
  color: var(--acc);
  font-size: .86rem;
  white-space: pre;
  cursor: pointer;
  user-select: all;
  transition: border-color .25s ease;
}

.key:hover, .key:focus-visible { border-color: var(--acc-soft); border-left-color: var(--acc); outline: none; }

.keywrap { position: relative; display: inline-block; }

.copied {
  position: absolute;
  left: calc(100% + .7rem);
  top: 50%;
  transform: translateY(-50%);
  color: var(--dim);
  font-size: .8rem;
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}

.copied.show { opacity: 1; }

.mail { font-size: 1.05rem; }

/* ---- caret ---- */

.caret {
  display: inline-block;
  width: .55em;
  height: 1em;
  margin-left: .12em;
  background: var(--acc);
  vertical-align: -.12em;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ---- footer ---- */

footer {
  padding: 1.5rem clamp(1.2rem, 5vw, 4rem);
  border-top: 1px solid #12181e;
  font-size: .82rem;
  color: var(--dim);
}

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

@media (max-width: 560px) {
  body { font-size: 14px; }
  .hero { min-height: 27rem; }
  .top { flex-direction: column; gap: .8rem; }
  nav { gap: 1.2rem; }
  .copied { left: 0; top: calc(100% + .3rem); transform: none; }
}

/* ---- reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #bus { display: none; }
  .caret, .cmd.typing::after { animation: none; }
  .glitching { animation: none; text-shadow: none; }
  .out { transition: none; }
  .term { transition: none; }
}