/* ── Tokens ─────────────────────────────────────────── */
:root {
  --bg:        #0A0C11;
  --bg-2:      #10141B;
  --line:      #1D232E;
  --line-2:    #2C3543;
  --text:      #E4E9F0;
  --muted:     #8A94A6;
  --accent:    #3D63D8;
  --accent-sf: rgba(61, 99, 216, .14);
  --status:    #2ECC71;
  --status-sf: rgba(46, 204, 113, .12);

  --sans:  "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --disp:  "Archivo", var(--sans);

  --gap:   clamp(3.5rem, 9vw, 6rem);
  --edge:  clamp(1.25rem, 5vw, 2rem);
}

/* ── Base ───────────────────────────────────────────── */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: min(920px, 100%); margin-inline: auto; padding-inline: var(--edge); }

a { color: var(--text); text-decoration-color: var(--line-2); text-underline-offset: .22em; }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }

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

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #0A0C11; padding: .6rem 1rem; font: 500 .875rem var(--mono);
}
.skip:focus { left: var(--edge); top: .75rem; z-index: 20; }

/* ── Top bar ────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }

.mark {
  font: 700 .9375rem/1 var(--disp); font-stretch: 125%;
  letter-spacing: .12em; text-decoration: none;
  border: 1px solid var(--line-2); padding: .4rem .5rem; border-radius: 3px;
}
.mark:hover { border-color: var(--accent); }

.topbar ul { display: flex; gap: clamp(.9rem, 3vw, 1.75rem); list-style: none; margin: 0; padding: 0; }
.topbar ul a {
  font: 400 .8125rem/1 var(--mono);
  color: var(--muted); text-decoration: none; letter-spacing: .02em;
}
.topbar ul a:hover { color: var(--accent); }

@media (max-width: 30rem) { .topbar ul li:nth-child(3) { display: none; } }

/* ── Shared type ────────────────────────────────────── */
.eyebrow {
  font: 400 .75rem/1 var(--mono);
  letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 1.5rem;
}

.section-head {
  display: flex; align-items: center; gap: 1rem;
  font: 400 .75rem/1 var(--mono);
  letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 2.5rem; font-weight: 500;
}
.section-head::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.lede { font-size: 1.125rem; color: #C3CBD7; max-width: 60ch; }

/* ── Hero ───────────────────────────────────────────── */
.hero { padding: clamp(4rem, 12vw, 7rem) 0 var(--gap); }

.wordmark {
  font-family: var(--disp);
  font-weight: 100;
  font-stretch: 125%;
  font-size: clamp(2.5rem, 10vw, 5rem);
  line-height: .88;
  letter-spacing: -.035em;
  margin: 0 0 2rem;
  text-wrap: balance;
}
.wordmark span { display: block; }
.wordmark span:last-child { color: var(--muted); }

/* Signature element: the status strip */
.status {
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: .625rem;
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--status);
  background: var(--bg-2);
  padding: .625rem .9375rem;
  border-radius: 3px;
  font: 400 .8125rem/1.4 var(--mono);
  margin-bottom: 2rem;
}
.dot {
  width: .5rem; height: .5rem; border-radius: 50%;
  background: var(--status); flex: none;
  box-shadow: 0 0 0 0 var(--status);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.5); }
  70%  { box-shadow: 0 0 0 .5rem rgba(46, 204, 113, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}
.status-key { color: var(--muted); letter-spacing: .1em; text-transform: uppercase; font-size: .6875rem; }
.status-val { color: var(--text); }

.actions { display: flex; flex-wrap: wrap; gap: .625rem; margin-top: 2.25rem; }
.btn {
  font: 500 .875rem/1 var(--mono);
  padding: .75rem 1.125rem; border-radius: 3px;
  border: 1px solid var(--line-2); text-decoration: none;
  transition: border-color .15s, background .15s, color .15s;
}
.btn:hover { border-color: var(--accent); background: var(--accent-sf); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0A0C11; }
.btn-primary:hover { background: #5C82E8; border-color: #5C82E8; color: #0A0C11; }

/* ── Sections ───────────────────────────────────────── */
section { padding-bottom: var(--gap); }

/* Timeline — dates carry real chronological information */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.5rem;
  padding: 1.5rem 0; border-top: 1px solid var(--line);
}
.timeline > li:last-child { border-bottom: 1px solid var(--line); }

.when {
  font: 400 .875rem/1.4 var(--mono); color: var(--muted); padding-top: .2rem;
}
.cont { display: block; color: var(--accent); }
.cont::before { content: "↓ "; opacity: .6; }

.what h3 { font: 500 1.0625rem/1.35 var(--sans); margin: 0 0 .25rem; }
.org { font: 400 .8125rem/1.4 var(--mono); color: var(--accent); margin: 0 0 .625rem; }
.what p:last-child { margin: 0; color: #B5BECB; font-size: .9375rem; }

.edu { margin-top: 2.5rem; padding: 1.5rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 4px; }
.edu h3 { font: 500 1.0625rem/1.35 var(--sans); margin: 0 0 .25rem; }
.edu p { margin: 0 0 .625rem; font-size: .9375rem; color: #B5BECB; }
.edu p:last-child { margin: 0; }
.courses { font-family: var(--mono); font-size: .8125rem !important; color: var(--muted) !important; }

/* Projects */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1rem; }
.card {
  border: 1px solid var(--line); border-radius: 4px; padding: 1.375rem;
  background: var(--bg-2);
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card h3 { font: 500 1.0625rem/1.3 var(--sans); margin: 0 0 .625rem; }
.card h3 a { text-decoration: none; }
.card h3 a::after { content: " ↗"; color: var(--muted); font-size: .8em; }
.card h3 a:hover::after { color: var(--accent); }
.card p { margin: 0 0 1rem; font-size: .9375rem; color: #B5BECB; }

.tags { display: flex; flex-wrap: wrap; gap: .375rem; list-style: none; margin: 0; padding: 0; }
.tags li {
  font: 400 .6875rem/1 var(--mono); color: var(--muted);
  border: 1px solid var(--line); border-radius: 2px; padding: .3rem .4375rem;
}

.more { margin: 1.5rem 0 0; font: 400 .875rem/1 var(--mono); }

/* Toolkit */
.stack { display: grid; grid-template-columns: 7rem 1fr; gap: 0; margin: 0; }
.stack dt {
  font: 400 .75rem/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); padding: .875rem 0; border-top: 1px solid var(--line);
}
.stack dd {
  margin: 0; padding: .875rem 0; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .875rem; color: #B5BECB;
}
.stack dd:last-of-type, .stack dt:last-of-type { border-bottom: 1px solid var(--line); }

.homelab { margin-top: 2.5rem; padding: 1.5rem; background: var(--bg-2); border: 1px solid var(--line); border-radius: 4px; }
.homelab h3 { font: 500 1.0625rem/1.3 var(--sans); margin: 0 0 .625rem; }
.homelab p { margin: 0; font-size: .9375rem; color: #B5BECB; }
code { font: 400 .875em var(--mono); color: var(--accent); background: var(--accent-sf); padding: .1em .35em; border-radius: 2px; }

.offclock { margin: 1.5rem 0 0; font-size: .9375rem; color: var(--muted); }

/* Contact */
.links { list-style: none; margin: 2rem 0 0; padding: 0; }
.links li {
  display: grid; grid-template-columns: 7rem 1fr; gap: 1rem;
  padding: .875rem 0; border-top: 1px solid var(--line);
}
.links li:last-child { border-bottom: 1px solid var(--line); }
.link-key {
  font: 400 .75rem/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.links a { font-family: var(--mono); font-size: .875rem; }

/* Footer */
footer { padding-block: 2rem 3rem; border-top: 1px solid var(--line); }
footer p { margin: 0; font: 400 .8125rem/1.6 var(--mono); color: var(--muted); }
.troll { margin-top: .5rem !important; }
.troll a { color: var(--muted); text-decoration: none; }

/* ── Motion ─────────────────────────────────────────── */
.reveal { animation: rise .6s cubic-bezier(.22,.61,.36,1) both; animation-delay: var(--d, 0ms); }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ── Narrow ─────────────────────────────────────────── */
@media (max-width: 34rem) {
  .timeline > li { grid-template-columns: 1fr; gap: .5rem; }
  .when { padding-top: 0; }
  .cont { display: inline; }
  .cont::before { content: " → "; }
  .stack, .links li { grid-template-columns: 1fr; gap: 0; }
  .stack dd { border-top: 0; padding-top: 0; }
  .stack dt { padding-bottom: .25rem; }
  .links li { gap: .25rem; }
  .links li a { padding-bottom: .25rem; }
}