/* Layout: one 1040px reading column. Portrait + statement up top, then a
   résumé-style ledger (dates left, detail right) separated by hairlines. */

@font-face { font-family: "Host Grotesk"; font-weight: 400; font-display: swap; src: url("assets/fonts/host-grotesk-400.ttf") format("truetype"); }
@font-face { font-family: "Host Grotesk"; font-weight: 500; font-display: swap; src: url("assets/fonts/host-grotesk-500.ttf") format("truetype"); }
@font-face { font-family: "Atkinson Mono"; font-weight: 400; font-display: swap; src: url("assets/fonts/atkinson-mono-400.ttf") format("truetype"); }
@font-face { font-family: "Atkinson Mono"; font-weight: 500; font-display: swap; src: url("assets/fonts/atkinson-mono-500.ttf") format("truetype"); }

:root {
  --paper: #f6f7f5;
  --card: #ffffff;
  --ink: #15191a;
  --ink-2: #3d4547;
  --muted: #6b7476;
  --rule: #dfe3e0;
  --accent: #0d6b45;       /* DLSU green, darkened for text contrast */
  --accent-soft: #e3efe8;

  --sans: "Host Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Atkinson Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: clamp(2.25rem, 5vw, 3.25rem);
  --small: 0.875rem;
  --tiny: 0.78rem;

  --wrap: 1040px;
  --gutter: 24px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111514;
    --card: #181d1c;
    --ink: #eef1ef;
    --ink-2: #c4cbc8;
    --muted: #8f9996;
    --rule: #2a3130;
    --accent: #6fd3a2;
    --accent-soft: #1b2f26;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--step-0)/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ul, dl, dd, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
strong { font-weight: 500; color: var(--ink); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

.skip { position: absolute; left: 16px; top: -100px; padding: 8px 14px; background: var(--ink); color: var(--paper); z-index: 50; }
.skip:focus { top: 12px; }

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.mark { font-weight: 500; text-decoration: none; letter-spacing: -0.01em; }
.top nav { display: flex; gap: 24px; font-size: var(--small); }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover { color: var(--accent); }

/* Intro */
.intro {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
  padding-block: clamp(48px, 8vw, 96px) 40px;
}
.portrait {
  overflow: hidden;
  background: var(--rule);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 82% 100%, 0 100%);
}
.portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 42% 30%; }
.intro-copy { min-width: 0; }
.kicker, .label, .meta, .tech, .tag, .fine {
  font-family: var(--mono);
  font-size: var(--tiny);
  letter-spacing: 0.02em;
  color: var(--muted);
}
.kicker { color: var(--accent); }
h1 {
  margin-top: 10px;
  font-size: var(--step-3);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.role { margin-top: 10px; color: var(--ink-2); font-size: var(--step-1); }
.statement { display: grid; gap: 14px; margin-top: 28px; max-width: 62ch; font-size: 1.0625rem; color: var(--ink-2); }
.statement a { color: var(--ink); }
.links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.links a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--card);
  font-size: var(--small);
  text-decoration: none;
}
.links a:hover { border-color: var(--accent); }
.links li:first-child a { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.links li:first-child a:hover { background: var(--accent); border-color: var(--accent); }

/* Main stack strip */
.stack { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 20px; padding-block: 8px 24px; }
.stack ul { display: flex; flex-wrap: wrap; gap: 6px; }
.stack li {
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: var(--tiny);
}

/* Sections */
.block { padding-block: 64px 8px; }
.block h2 {
  font-size: clamp(1.625rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
  padding-bottom: 18px;
}

/* About */
.about {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--card);
}
.about-copy { display: grid; gap: 24px; align-content: start; min-width: 0; }
.about-copy > p { font-size: var(--step-1); line-height: 1.55; color: var(--ink); max-width: 46ch; }
.edu { display: grid; gap: 6px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--ink-2); }
.lead-list { display: grid; gap: 12px; align-content: start; min-width: 0; }
.lead-list h3 { font-family: var(--mono); font-size: var(--tiny); font-weight: 400; letter-spacing: 0.02em; color: var(--muted); }
.lead-list ul { display: grid; }
.lead-list li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; padding-block: 10px; border-top: 1px solid var(--rule); }
.lead-list li:last-child { border-bottom: 1px solid var(--rule); }
.lead-list span { font-family: var(--mono); font-size: var(--tiny); color: var(--muted); padding-top: 3px; font-variant-numeric: tabular-nums; }
.lead-list p { color: var(--ink-2); font-size: 0.9375rem; }
.lead-list strong { display: block; }

.entry {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 24px;
  padding-block: 28px;
  border-top: 1px solid var(--rule);
}
.meta { display: grid; gap: 6px; align-content: start; padding-top: 4px; font-variant-numeric: tabular-nums; }
.tag { justify-self: start; padding: 1px 8px; border: 1px solid var(--rule); border-radius: 4px; }
.body { display: grid; gap: 12px; min-width: 0; }
.body h3 { font-size: var(--step-2); font-weight: 500; letter-spacing: -0.02em; line-height: 1.2; text-wrap: balance; }
.body h3 span { display: block; margin-top: 2px; font-size: var(--step-0); font-weight: 400; letter-spacing: 0; color: var(--muted); }
.body > p { max-width: 64ch; color: var(--ink-2); }
.points { display: grid; gap: 6px; max-width: 64ch; color: var(--ink-2); }
.points li { position: relative; padding-left: 18px; }
.points li::before { content: ""; position: absolute; left: 2px; top: 0.72em; width: 6px; height: 1px; background: var(--muted); }
.num { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 500; }
.tech { color: var(--ink-2); }
.actions { display: flex; gap: 18px; font-size: var(--small); }
.actions a { color: var(--accent); font-weight: 500; text-decoration: none; }
.actions a:hover { text-decoration: underline; }
.shot {
  margin-top: 8px;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
}
.shot--small { max-width: 420px; }
.shot--diagram { max-width: 620px; background: #fafafa; }
.shot figcaption { padding: 10px 14px; border-top: 1px solid var(--rule); background: var(--card); color: var(--muted); font-size: var(--small); }

/* Smaller projects */
.mini { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule); }
.mini div { padding: 16px 24px 16px 0; border-bottom: 1px solid var(--rule); }
.mini dt { font-weight: 500; }
.mini dd { color: var(--muted); font-size: var(--small); }

/* Background + skills */
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
.plain, .skills { display: grid; gap: 10px; border-top: 1px solid var(--rule); padding-top: 16px; color: var(--ink-2); font-size: 0.9375rem; }
.skills div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; }
.skills dt { font-family: var(--mono); font-size: var(--tiny); color: var(--muted); padding-top: 2px; }

.aside { max-width: 62ch; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--ink-2); }

/* Case study */
code { font-family: var(--mono); font-size: 0.86em; padding: 1px 5px; border-radius: 4px; background: var(--accent-soft); color: var(--ink); }
.case-head { display: grid; gap: 14px; padding-block: clamp(40px, 7vw, 80px) 24px; }
.back { justify-self: start; font-size: var(--small); color: var(--muted); text-decoration: none; }
.back:hover { color: var(--accent); }
.case-head h1 { margin-top: 0; }
.case-lead { max-width: 60ch; font-size: var(--step-1); color: var(--ink-2); }
.facts { display: grid; gap: 8px; margin-top: 12px; padding-top: 16px; border-top: 1px solid var(--rule); }
.facts div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; }
.facts dt { font-family: var(--mono); font-size: var(--tiny); color: var(--muted); padding-top: 3px; }
.facts dd { color: var(--ink-2); }
.facts a { color: var(--accent); font-weight: 500; text-decoration: none; }
.figures { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-block: 12px; border-block: 1px solid var(--rule); }
.figures li { padding: 16px 12px 16px 0; color: var(--muted); font-size: var(--small); }
.figures li + li { padding-left: 16px; border-left: 1px solid var(--rule); }
.figures span { display: block; color: var(--ink); font-size: var(--step-3); font-weight: 500; letter-spacing: -0.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }

.prose { display: grid; gap: 16px; padding-block: 40px 8px; }
.prose > p { max-width: 64ch; color: var(--ink-2); }
.prose h2 { padding-bottom: 14px; border-bottom: 1px solid var(--rule); font-size: var(--small); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.prose h3 { margin-top: 8px; font-size: var(--step-1); font-weight: 500; letter-spacing: -0.01em; }
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.cols > div { display: grid; gap: 12px; align-content: start; min-width: 0; }
.decision { display: grid; gap: 8px; max-width: 68ch; padding-block: 8px 12px; }
.decision h3 { margin-top: 0; }
.decision p { color: var(--ink-2); }

.table-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; background: var(--card); }
table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 0.9375rem; }
th, td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); }
tbody tr:last-child td { border-bottom: 0; }
th { font-family: var(--mono); font-size: var(--tiny); font-weight: 400; color: var(--muted); }
td { color: var(--ink-2); }
td:first-child { color: var(--ink); font-weight: 500; white-space: nowrap; }
.n { text-align: right; font-variant-numeric: tabular-nums; width: 4.5rem; }
.case-end { padding-block: 32px 0; }

/* Footer */
.foot { margin-top: 72px; border-top: 1px solid var(--rule); background: var(--card); }
.foot-inner { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; padding-block: 48px 24px; }
.mail { display: inline-block; margin-top: 6px; font-size: clamp(1.15rem, 3vw, 1.6rem); font-weight: 500; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.foot .links { margin-top: 0; }
.fine { padding-block: 0 32px; }

/* Responsive */
@media (max-width: 760px) {
  .intro { grid-template-columns: 1fr; padding-top: 32px; }
  .portrait { max-width: 260px; }
  .entry { grid-template-columns: 1fr; gap: 10px; }
  .meta { display: flex; gap: 10px; align-items: center; padding-top: 0; }
  .mini, .two, .cols, .about { grid-template-columns: 1fr; }
  .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .figures li:nth-child(3) { padding-left: 0; border-left: 0; }
  .figures li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .two { gap: 40px; }
}
@media (max-width: 480px) {
  :root { --gutter: 16px; }
  .top nav { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}