/* Anja Gutierrez — portfolio design tokens.
   Dark-first oklch palette carried over from the XPO Fleet design system. */
:root {
  --bg: #070b12;
  --card: #0f141e;
  --card-2: #131926;
  --border: #222933;
  --muted: #1c212c;
  --muted-fg: #878f9b;
  --fg: #f8fafc;
  --primary: #3e73ef;
  --accent: #6e62f8;
  --success: #22c55e;
  --warn: #f59e0b;
  --danger: #ff6568;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* Ambient wash behind the hero — cheap, no canvas, no JS. */
.aurora {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0;
}
.aurora::before, .aurora::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .28;
}
.aurora::before { width: 460px; height: 460px; background: var(--primary); top: -170px; left: -120px; }
.aurora::after  { width: 380px; height: 380px; background: var(--accent);  top: -60px;  right: -120px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Surfaces */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.card-hover { transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.card-hover:hover {
  transform: translateY(-3px);
  border-color: #33405a;
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
}

/* Chips + badges */
.chip {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: var(--muted); border: 1px solid var(--border);
  color: #c3cad6; font-size: 12px; line-height: 1.6; white-space: nowrap;
}
.eyebrow {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(62,115,239,.12); border: 1px solid rgba(62,115,239,.35);
  color: #9dbaff; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
}

/* Metric grid */
.metrics { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0,1fr)); }
@media (min-width: 720px) { .metrics { grid-template-columns: repeat(4, minmax(0,1fr)); } }
.metric { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.metric b { display: block; font-size: 26px; line-height: 1.15; letter-spacing: -.02em; }
.metric span { display: block; margin-top: 4px; font-size: 12px; color: var(--muted-fg); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; font-size: 14px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent; transition: background .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #5386ff; }
.btn-ghost { border-color: var(--border); color: #d7dce4; }
.btn-ghost:hover { border-color: #39445c; background: var(--muted); }

/* Tables */
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data th { color: var(--muted-fg); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
table.data tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }

/* Code samples — the core of the case studies */
.snippet { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.snippet-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px;
  padding: 12px 16px; background: var(--card-2); border-bottom: 1px solid var(--border);
}
.snippet-file { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; color: #9dbaff; }
.snippet-lang { font-size: 11px; color: var(--muted-fg); text-transform: uppercase; letter-spacing: .07em; }
.snippet-note { padding: 12px 16px; font-size: 13.5px; color: #b9c1cd; border-bottom: 1px solid var(--border); background: rgba(110,98,248,.05); }
.snippet pre { margin: 0; overflow-x: auto; }  /* no height cap — the code is the point */
.snippet pre code.hljs { background: transparent; padding: 16px; font-size: 12.5px; line-height: 1.65; }

/* Screenshot frame */
.shot { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.shot img { width: 100%; }
.shot figcaption { padding: 10px 14px; font-size: 12.5px; color: var(--muted-fg); border-top: 1px solid var(--border); }

/* Section rhythm */
.section { padding: 72px 0; }
.section-title { font-size: 30px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 8px; }
.section-sub { color: var(--muted-fg); margin: 0 0 32px; font-size: 15px; }

/* Header */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7,11,18,.82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-head a.nav { color: var(--muted-fg); text-decoration: none; font-size: 14px; }
.site-head a.nav:hover { color: var(--fg); }

.footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted-fg); font-size: 13.5px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* Project card thumbnails — one aspect ratio so the grid stays regular
   regardless of the source screenshot's dimensions. */
.thumb { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top center; }
.thumb-alt {
  width: 100%; aspect-ratio: 16 / 9;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(120% 120% at 20% 0%, rgba(110,98,248,.30), transparent 60%),
              radial-gradient(120% 120% at 90% 20%, rgba(62,115,239,.28), transparent 55%),
              var(--card-2);
  border-bottom: 1px solid var(--border);
  color: #7f8a9c; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
}
/* Cards in a row end with their button on the same line. */
.card-flex { display: flex; flex-direction: column; }
.card-flex .card-body { display: flex; flex-direction: column; flex: 1 1 auto; }
.card-flex .card-cta { margin-top: auto; align-self: flex-start; }

/* Featured card image fills its half of the split at any viewport. */
.feature-img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; object-position: top left; }

/* Tailwind's preflight zeroes <p> margins; restore rhythm inside prose blocks. */
.prose-block p { margin: 0 0 1.05em; }
.prose-block p:last-child { margin-bottom: 0; }

/* ── Layout utilities ──────────────────────────────────────────────────────
   Replaces the Tailwind play CDN. That script was unversioned, so it could
   not be pinned or checked with Subresource Integrity — a remote script with
   full execution rights on every page. These are the 46 utilities the site
   actually used; the CDN shipped a whole JIT compiler to provide them. */
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.no-underline { text-decoration: none; }
.tracking-tight { letter-spacing: -.025em; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm  { font-size: .875rem; line-height: 1.25rem; }
.text-lg  { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl  { font-size: 1.25rem;  line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem;   line-height: 2rem; }
.h-16 { height: 4rem; }

.gap-2 { gap: .5rem; }  .gap-3 { gap: .75rem; } .gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; } .gap-8 { gap: 2rem; }
.p-5 { padding: 1.25rem; } .p-6 { padding: 1.5rem; } .p-7 { padding: 1.75rem; }
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }      .mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 1rem; }   .mb-2 { margin-bottom: .5rem; }
.mt-5 { margin-top: 1.25rem; }.mb-3 { margin-bottom: .75rem; }
.mt-6 { margin-top: 1.5rem; } .mb-5 { margin-bottom: 1.25rem; }
.mt-7 { margin-top: 1.75rem; }.mb-6 { margin-bottom: 1.5rem; }
.mt-9 { margin-top: 2.25rem; }
.mt-14 { margin-top: 3.5rem; }

/* Responsive grids — Tailwind's own breakpoints (sm 640, md 768, lg 1024). */
@media (min-width: 640px) {
  .sm\:inline { display: inline; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
}

/* The redacted Ops Hub shot is much wider than 16:9; anchor its crop left so
   the KPI cards read instead of being sliced down the middle. */
.thumb-left { object-position: left top; }