/* ============================================================
   Emeka Momodu — personal site
   Dark terminal theme. No dependencies, no build step.
   ============================================================ */

:root {
  /* surfaces */
  --bg:          #0b0f14;
  --bg-alt:      #0e141b;
  --panel:       #11171f;
  --panel-2:     #151d26;
  --border:      #1e2833;
  --border-soft: #18212b;

  /* type — deliberately below pure white; softer on a dark background
     while staying WCAG AAA (>7:1) on every surface used here. */
  --text:  #9daaba;
  --head:  #bfcbd9;
  --name:  #a3b1c1;  /* the h1 — dimmer than --head; its size carries the emphasis */
  --muted: #7b8a99;
  --dim:   #4d5c6b;

  /* accents */
  --accent: #8fa8c8;   /* dull steel blue, replaces the old terminal green */
  --host:   #8c99a7;   /* the user@host in the prompt — deliberately quiet */
  --cyan:   #56b6c2;
  --amber:  #d9a05b;
  --violet: #9b93c0;   /* dulled to sit with the new accent */

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco,
          Consolas, "Liberation Mono", "Courier New", monospace;

  --maxw: 1080px;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
  --radius: 10px;

  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.7);
}

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

html {
  scroll-behavior: smooth;
  /* keep anchored sections clear of the sticky nav */
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;

  /* faint scanline + glow, purely decorative */
  background-image:
    radial-gradient(1000px 520px at 50% -10%, rgba(143,168,200,.07), transparent 70%),
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,.014) 0px,
      rgba(255,255,255,.014) 1px,
      transparent 1px,
      transparent 3px
    );
  background-attachment: fixed;
}

h1, h2, h3 { color: var(--head); line-height: 1.25; font-weight: 600; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--accent); }

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

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #0b0f14;
  padding: .65rem 1rem; font-weight: 700; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* ── nav ─────────────────────────────────────────────── */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,15,20,.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}

.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .6rem var(--pad);
  display: flex; align-items: center; gap: 1.25rem;
}

.nav__brand {
  color: var(--head); font-weight: 700; letter-spacing: -.02em;
  white-space: nowrap; flex-shrink: 0;
}
.nav__brand-prompt { color: var(--accent); }
.nav__brand:hover { color: var(--head); }

.nav__list {
  display: flex; gap: .25rem;
  margin-left: auto;
  /* on narrow screens this scrolls sideways instead of wrapping or hiding */
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px;
  mask-image: linear-gradient(to right, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}
.nav__list::-webkit-scrollbar { display: none; }

.nav__list a {
  display: block;
  padding: .35rem .7rem;
  color: var(--muted);
  border-radius: 6px;
  white-space: nowrap;
  font-size: .875em;
  transition: color .15s, background-color .15s;
}
.nav__list a::before { content: "~/"; color: var(--dim); }
.nav__list a:hover { color: var(--head); background: var(--panel-2); }
.nav__list a.is-active { color: var(--accent); background: rgba(143,168,200,.09); }
.nav__list a.is-active::before { color: var(--accent); opacity: .55; }

/* ── terminal window chrome ──────────────────────────── */

.window {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.window__bar {
  display: flex; align-items: center; gap: .75rem;
  padding: .55rem .85rem;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}

.window__dots { display: flex; gap: .4rem; flex-shrink: 0; }
.window__dots i {
  width: 11px; height: 11px; border-radius: 50%;
  background: #3a4552;
}
.window__dots i:nth-child(1) { background: #ff5f57; }
.window__dots i:nth-child(2) { background: #febc2e; }
.window__dots i:nth-child(3) { background: #28c840; }

.window__title {
  color: var(--dim); font-size: .78em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-inline: auto;
  padding-right: 2.2rem; /* optically centre against the dots */
}

.window__body { padding: clamp(1rem, 3.5vw, 1.9rem); }

/* ── prompt + typed lines ────────────────────────────── */

.term .line { margin: 0 0 .35rem; }
.term .line--out { margin-bottom: 1.6rem; }
.term .line--out:last-child { margin-bottom: 0; }

.prompt { user-select: none; white-space: nowrap; }
.prompt b { color: var(--host); font-weight: 600; }
.prompt em { color: var(--violet); font-style: normal; }
.prompt__sep { color: var(--dim); }

.typed { color: var(--head); }

.caret {
  display: inline-block;
  width: .6em; height: 1.05em;
  background: var(--accent);
  vertical-align: -.18em;
  margin-left: .12em;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1 } 50.01%, 100% { opacity: 0 } }

/* while a command is being typed, park the caret at its end */
.term .is-typing .typed::after {
  content: "";
  display: inline-block;
  width: .6em; height: 1.05em;
  background: var(--accent);
  vertical-align: -.18em;
  margin-left: .12em;
}

/* ── hero ────────────────────────────────────────────── */

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2rem, 7vw, 4.5rem) var(--pad) clamp(1.5rem, 4vw, 2.5rem);
}

.name {
  color: var(--name);
  font-size: clamp(1.6rem, 1.05rem + 3.4vw, 2.9rem);
  margin: .2rem 0 .3rem;
  letter-spacing: -.03em;
  /* long name must never push the page sideways on small phones */
  overflow-wrap: break-word;
}
.role {
  color: var(--amber);
  font-size: clamp(.95rem, .85rem + .5vw, 1.15rem);
  margin: 0 0 .2rem;
}

.meta { color: var(--muted); font-size: .85em; margin: 0; }

.prose { color: var(--text); max-width: 68ch; margin: 0; }

.links { display: flex; flex-wrap: wrap; gap: .5rem .55rem; }
.links a {
  display: inline-block;
  padding: .3rem .75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
  font-size: .85em;
  transition: border-color .15s, color .15s, transform .15s;
}
.links a::before { content: "→ "; color: var(--dim); }
.links a:hover { border-color: var(--accent); transform: translateY(-1px); }
.links--lg { margin-top: 1.1rem; }
.links--lg a { font-size: .9em; }

.scroll-cue {
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--dim); font-size: .78em; letter-spacing: .1em; text-transform: uppercase;
}
.scroll-cue:hover { color: var(--accent); }
.scroll-cue svg { animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(4px) } }

/* ── sections ────────────────────────────────────────── */

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.75rem, 8vw, 5rem) var(--pad);
  border-top: 1px solid var(--border-soft);
}

.section__title {
  font-size: clamp(1.05rem, .95rem + .6vw, 1.35rem);
  margin: 0 0 1.6rem;
  letter-spacing: -.01em;
}
.prompt-mini { color: var(--accent); margin-right: .5ch; }

.section__note {
  color: var(--muted); font-size: .88em;
  margin: -1.1rem 0 1.75rem;
}

.grid { display: grid; gap: clamp(1.25rem, 3.5vw, 2.25rem); }
.grid--skills { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ── skills ──────────────────────────────────────────── */

.skillset__name {
  font-size: .82em;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin: 0 0 .8rem;
  font-weight: 500;
}
.skillset__name::before { content: "drwxr-xr-x  "; color: var(--dim); text-transform: none; letter-spacing: 0; }

.tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.tags li {
  padding: .22rem .6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--panel);
  color: var(--text);
  font-size: .8em;
}
.tags--sm li { font-size: .74em; padding: .15rem .5rem; color: var(--muted); }

/* ── timeline (used by the commented-out experience block) ── */

.timeline { border-left: 1px solid var(--border); margin-left: .35rem; }
.timeline__item { position: relative; padding: 0 0 2rem 1.6rem; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute; left: -4.5px; top: .62em;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--bg);
}
.timeline__when { color: var(--muted); font-size: .78em; letter-spacing: .04em; }
.timeline__role { font-size: 1em; margin: .15rem 0 .4rem; }
.timeline__org { color: var(--amber); }
.timeline__desc { color: var(--text); max-width: 68ch; margin-bottom: .7rem; }

/* ── project cards ───────────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
  gap: clamp(.75rem, 2vw, 1rem);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .18s, transform .18s, background-color .18s;
}
.card:hover {
  border-color: rgba(143,168,200,.45);
  background: var(--panel-2);
  transform: translateY(-2px);
}
.card:focus-within { border-color: var(--accent); }

.card__link {
  display: block;
  height: 100%;
  padding: 1.1rem 1.15rem 1.2rem;
  color: inherit;
}
.card__link:hover { color: inherit; }

.card__idx {
  display: block;
  color: var(--dim); font-size: .74em; letter-spacing: .14em;
  margin-bottom: .3rem;
}
.card__name {
  font-size: .98em;
  margin: 0 0 .5rem;
  color: var(--head);
  overflow-wrap: break-word;
}
.card:hover .card__name { color: var(--accent); }
.card__name::after {
  content: " ↗";
  color: var(--dim);
  font-size: .85em;
}
.card__desc {
  color: var(--muted);
  font-size: .85em;
  line-height: 1.6;
  margin: 0 0 .85rem;
}

/* ── contact ─────────────────────────────────────────── */

.window--flush { max-width: 720px; }

.mail { color: var(--accent); overflow-wrap: anywhere; }

.copy {
  font: inherit; font-size: .74em;
  margin-left: .5rem;
  padding: .12rem .55rem;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy.is-done { color: var(--accent); border-color: var(--accent); }

.window--flush .prose { margin-bottom: 1.2rem; }

/* ── footer ──────────────────────────────────────────── */

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem var(--pad) 2.75rem;
  border-top: 1px solid var(--border-soft);
  color: var(--dim);
  font-size: .8em;
}
.footer p { margin: 0; }

/* ── scroll reveal ───────────────────────────────────── */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Hide intro content until the typing animation plays it back.
   Scoped to .js so it stays visible when JavaScript is off. */
.js .term [data-anim] { visibility: hidden; }
.js .term [data-anim].is-shown { visibility: visible; }
.js .term [data-anim="out"].is-shown { animation: fade-up .32s ease both; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}

/* ── motion & contrast preferences ───────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .card:hover { transform: none; }
  .links a:hover { transform: none; }
  /* caret must not strobe, but should still read as a cursor */
  .caret { animation: none; opacity: 1; }
}

@media (prefers-contrast: more) {
  :root { --muted: #a4b2c0; --dim: #7d8b99; --border: #38424e; }
}

/* ── print ───────────────────────────────────────────── */

@media print {
  body { background: #fff; color: #000; }
  .nav, .scroll-cue, .copy, .window__dots { display: none; }
  .window, .card { border-color: #bbb; box-shadow: none; }
  a { color: #000; text-decoration: underline; }
  .js .term [data-anim], .js .reveal { visibility: visible; opacity: 1; transform: none; }
}