/* ============================================================
   Andrew Alderton — Portfolio v2
   Seed 192395 · centred editorial column · monospace-led ·
   warm amber accent · browser-chrome frames · bordered cards
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --ink:      #16130d;   /* near-black, faintly warm */
  --body-col: #47423a;   /* warm grey body text */
  --muted:    #8a8377;   /* muted labels */
  --line:     #e3ddd2;   /* warm hairline */
  --line-2:   #d3ccbe;
  --paper:    #f7f4ee;   /* warm off-white page */
  --card:     #ffffff;
  --amber:    #d98324;   /* the single accent */
  --amber-ink:#a5641a;   /* amber for text on light (contrast-safe) */
  --amber-wash:#fbf1e2;

  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --col: 720px;          /* centred editorial column width */
  --wide: 940px;
  --pad: clamp(20px, 5vw, 40px);
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  font-family: var(--sans);
  color: var(--body-col);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* Monospace spaces are a full character wide — pull word gaps in on headings */
h1, h2, h3, h4 { font-family: var(--mono); color: var(--ink); font-weight: 700; line-height: 1.1; word-spacing: -0.25em; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* mono utility label */
.mono-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.amber { color: var(--amber-ink); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .wide { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.topbar .id {
  font-family: var(--mono); font-weight: 700; font-size: 15px; color: var(--ink);
  letter-spacing: -0.01em;
}
.topbar .id .blink { color: var(--amber); }
.topbar nav { display: flex; gap: 4px; }
.topbar nav a {
  font-family: var(--mono); font-size: 13px; color: var(--body-col);
  padding: 6px 12px; border: 1px solid transparent; border-radius: 7px;
  transition: border-color .18s, color .18s, background .18s;
}
.topbar nav a:hover { color: var(--ink); border-color: var(--line-2); background: var(--card); }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 11vw, 120px) 0 clamp(36px, 6vw, 64px); }
.hero .kicker { margin-bottom: 22px; display: flex; align-items: center; gap: 10px; }
.hero .kicker::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-wash);
}
.hero h1 {
  font-size: clamp(30px, 5.4vw, 52px);
  letter-spacing: -0.02em;
  line-height: 1.08;
}
.hero h1 .accent { color: var(--amber-ink); }
.hero .lede {
  margin-top: 24px; font-size: clamp(17px, 2vw, 19px); color: var(--body-col);
  max-width: 60ch;
}
.hero .lede strong { color: var(--ink); font-weight: 600; }

/* terminal-style meta card */
.meta-card {
  margin-top: 36px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--card);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13.5px;
}
.meta-card .bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.meta-card .bar .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.meta-card .bar .dot.a { background: var(--amber); }
.meta-card .bar .tag { margin-left: 8px; color: var(--muted); font-size: 12px; }
.meta-card .rows { padding: 6px 0; }
.meta-card .row { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 7px 16px; }
.meta-card .row .k { color: var(--muted); }
.meta-card .row .v { color: var(--ink); }
.meta-card .row .v a { color: var(--amber-ink); border-bottom: 1px solid transparent; }
.meta-card .row .v a:hover { border-color: var(--amber-ink); }
@media (max-width: 520px) { .meta-card .row { grid-template-columns: 96px 1fr; } }

/* ---------- Section shell ---------- */
.section { padding: clamp(40px, 7vw, 72px) 0; }
.section-head { margin-bottom: 30px; }
.section-head h2 { font-size: clamp(20px, 3vw, 26px); letter-spacing: -0.01em; }
.section-head h2::before { content: "// "; color: var(--amber); }
.section-head p { margin-top: 8px; color: var(--body-col); max-width: 62ch; }

/* ---------- Work list (bordered cards) ---------- */
.work { display: grid; gap: 16px; }
.work-card {
  display: block;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--card);
  padding: clamp(18px, 3vw, 26px);
  transition: translate .2s ease, box-shadow .25s ease, border-color .25s ease;
}
.work-card:hover {
  translate: 0 -2px;
  border-color: var(--amber);
  box-shadow: 0 8px 26px -14px rgba(217,131,36,0.5);
}
.work-card .top { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.work-card .num { font-family: var(--mono); font-size: 13px; color: var(--amber-ink); font-weight: 700; }
.work-card .go { font-family: var(--mono); font-size: 13px; color: var(--muted); transition: transform .2s, color .2s; }
.work-card:hover .go { color: var(--amber-ink); transform: translateX(4px); }
.work-card h3 { font-size: clamp(21px, 3.2vw, 27px); margin: 10px 0 6px; letter-spacing: -0.01em; }
.work-card .desc { color: var(--body-col); font-size: 15.5px; }
.work-card .tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.tag {
  font-family: var(--mono); font-size: 11.5px; color: var(--body-col);
  border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 8px;
  background: var(--paper);
}

/* ---------- About ---------- */
.about p { margin-bottom: 16px; color: var(--body-col); }
.about p:last-child { margin-bottom: 0; }
.about .stack { margin-top: 26px; display: grid; gap: 10px; }
.about .stack .line { display: grid; grid-template-columns: 150px 1fr; gap: 14px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.about .stack .line .k { font-family: var(--mono); font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; padding-top: 2px; }
.about .stack .line .v { color: var(--ink); }
@media (max-width: 520px) { .about .stack .line { grid-template-columns: 1fr; gap: 2px; } }

/* ---------- Browser-chrome frame (the signature) ---------- */
.browser {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 10px 34px -20px rgba(22,19,13,0.4);
}
.browser .chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.browser .chrome .dots { display: flex; gap: 6px; }
.browser .chrome .dots span { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.browser .chrome .dots span:nth-child(1) { background: #e0b0b0; }
.browser .chrome .dots span:nth-child(2) { background: #e6d3a3; }
.browser .chrome .dots span:nth-child(3) { background: #b6d3ae; }
.browser .chrome .url {
  flex: 1; font-family: var(--mono); font-size: 12.5px; color: var(--muted);
  background: var(--card); border: 1px solid var(--line);
  padding: 5px 12px; border-radius: 6px; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.browser .screen { display: block; width: 100%; height: auto; }
.browser .screen.ph {
  aspect-ratio: 16 / 10; position: relative; background: var(--amber-wash);
  display: flex; align-items: center; justify-content: center;
}
.browser .screen.ph::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .6;
}
.browser .screen.ph .lbl { position: relative; text-align: center; font-family: var(--mono); }
.browser .screen.ph .lbl .t { font-size: 15px; color: var(--ink); font-weight: 700; }
.browser .screen.ph .lbl .s { font-size: 12px; color: var(--muted); margin-top: 5px; }

/* ---------- Project page ---------- */
.proj-hero { padding: clamp(40px, 7vw, 76px) 0 clamp(24px, 4vw, 40px); }
.crumb { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-bottom: 26px; display: inline-block; }
.crumb:hover { color: var(--amber-ink); }
.crumb .arw { color: var(--amber); }
.proj-hero .idx { font-family: var(--mono); font-size: 13px; color: var(--amber-ink); font-weight: 700; }
.proj-hero h1 { font-size: clamp(30px, 6vw, 56px); letter-spacing: -0.02em; margin-top: 8px; }
.proj-hero .sub { margin-top: 18px; font-size: clamp(16px, 2vw, 19px); color: var(--body-col); max-width: 62ch; }
.proj-actions { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  font-family: var(--mono); font-size: 13.5px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 8px; border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper); transition: .18s;
}
.btn:hover { background: var(--amber); border-color: var(--amber); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

.proj-shot { padding: clamp(6px, 2vw, 16px) 0 clamp(24px, 4vw, 40px); }

.proj-body { padding-bottom: clamp(30px, 6vw, 60px); }
.proj-body h2 { font-size: 18px; margin-bottom: 16px; }
.proj-body h2::before { content: "// "; color: var(--amber); }
.pt { list-style: none; display: grid; gap: 0; }
.pt li {
  padding: 16px 0; border-top: 1px solid var(--line); color: var(--body-col);
  display: grid; grid-template-columns: 22px 1fr; gap: 10px;
}
.pt li:last-child { border-bottom: 1px solid var(--line); }
.pt li::before { content: "▸"; color: var(--amber); font-family: var(--mono); }
.pt li strong { color: var(--ink); font-weight: 600; }

.spec {
  margin-top: 30px; border: 1px solid var(--line-2); border-radius: 12px;
  background: var(--card); overflow: hidden; font-family: var(--mono); font-size: 13.5px;
}
.spec .row { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 11px 16px; border-top: 1px solid var(--line); }
.spec .row:first-child { border-top: none; }
.spec .row .k { color: var(--muted); }
.spec .row .v { color: var(--ink); min-width: 0; overflow-wrap: anywhere; }
.spec .row .v a { color: var(--amber-ink); }
.spec .row .v a:hover { border-bottom: 1px solid var(--amber-ink); }
.live-note { margin-top: 12px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }

.nextp { border-top: 1px solid var(--line); margin-top: 8px; }
.nextp a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: clamp(24px,4vw,40px) 0; transition: .2s; }
.nextp a:hover { padding-left: 10px; }
.nextp .lab { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.nextp .nm { display: block; font-family: var(--mono); font-weight: 700; font-size: clamp(20px, 3.4vw, 30px); color: var(--ink); margin-top: 4px; }
.nextp .arw { font-family: var(--mono); font-size: 26px; color: var(--amber); transition: transform .2s; }
.nextp a:hover .arw { transform: translateX(6px); }

/* ---------- Footer ---------- */
.foot { border-top: 1px solid var(--line); background: var(--card); }
.foot .col { padding: clamp(40px, 7vw, 72px) var(--pad); }
.foot .big { font-family: var(--mono); font-weight: 700; font-size: clamp(24px, 4.4vw, 40px); color: var(--ink); letter-spacing: -0.02em; line-height: 1.15; }
.foot .big a {
  color: var(--amber-ink); padding-bottom: 2px;
  background: linear-gradient(var(--amber), var(--amber)) no-repeat left bottom / 0 3px;
  transition: background-size .3s ease;
}
.foot .big a:hover, .foot .big a:focus-visible { background-size: 100% 3px; }
.foot .fmeta { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 26px; justify-content: space-between; }
.foot .fmeta a { transition: color .2s ease; }
.foot .fmeta a:hover { color: var(--amber-ink); }

/* ---------- reveal (progressive enhancement) ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
/* Work cards are also .reveal — keep their hover transitions alongside the reveal ones */
.js .work-card.reveal { transition: opacity .6s ease, transform .6s ease, translate .2s ease, box-shadow .25s ease, border-color .25s ease; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }