/* Deogracious Kiprop · portfolio. "Lab notebook": warm paper, ink, one signal-red accent. */
:root {
  --bg: #f6f3ec;
  --paper: #fbf9f4;
  --ink: #161616;
  --muted: #5b5750;
  --line: #dcd6ca;
  --grid: rgba(22, 22, 22, 0.045);
  --accent: #c23a26;
  --accent-ink: #fff;
  --shadow: 0 1px 0 rgba(0,0,0,.03), 0 18px 40px -24px rgba(40, 30, 10, .35);
  --radius: 10px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141311; --paper: #1b1a17; --ink: #ece8df; --muted: #a49e92; --line: #302d28;
    --grid: rgba(236, 232, 223, 0.035); --accent: #ff6b55; --accent-ink: #1a0b07;
    --shadow: 0 18px 40px -24px rgba(0,0,0,.8); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141311; --paper: #1b1a17; --ink: #ece8df; --muted: #a49e92; --line: #302d28;
  --grid: rgba(236, 232, 223, 0.035); --accent: #ff6b55; --accent-ink: #1a0b07;
  --shadow: 0 18px 40px -24px rgba(0,0,0,.8); color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg);
  /* graph-paper grid */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 6px; }

.label {
  font: 500 0.75rem/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 10px;
}
.idx { color: var(--accent); margin-right: 10px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px dashed var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font: 650 1.1rem var(--serif); margin-right: auto; }
.brand svg { width: 34px; height: 20px; fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.nav nav { display: flex; gap: clamp(14px, 3vw, 28px); }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; padding: 6px 0; }
.nav nav a:hover { color: var(--ink); }
.theme {
  width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer;
  background: transparent; border: 1px solid var(--line); border-radius: 50%; color: var(--ink);
}
.theme:hover { border-color: var(--ink); }
.theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.theme .fill { fill: currentColor; stroke: none; }

/* Hero */
.hero { padding: clamp(56px, 11vh, 120px) 0 clamp(40px, 7vh, 72px); }
h1 { font: 650 clamp(2.6rem, 8vw, 5.4rem)/1.02 var(--serif); letter-spacing: -0.02em; margin: 0; }
.statement { font: 500 clamp(1.25rem, 3vw, 1.9rem)/1.3 var(--serif); color: var(--muted); margin: 14px 0 0; max-width: 28ch; }
.trace { width: 100%; height: clamp(60px, 10vw, 110px); margin: clamp(18px, 4vw, 36px) 0; overflow: visible; }
.trace { clip-path: inset(0 100% 0 0); animation: draw 2.4s cubic-bezier(.6,.1,.3,1) .2s forwards; }
.trace path { fill: none; stroke: var(--accent); stroke-width: 2.2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
@keyframes draw { to { clip-path: inset(0 0 0 0); } }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px; border-radius: 6px;
  border: 1px solid var(--ink); color: var(--ink); text-decoration: none; font-weight: 500;
  background: var(--paper); transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { box-shadow: 3px 3px 0 var(--ink); }

/* Sections */
.section { padding-top: clamp(56px, 9vw, 104px); }
.section-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--ink); padding-bottom: 12px; margin-bottom: clamp(24px, 4vw, 40px); }
.section-head .num { font: 500 0.85rem var(--mono); color: var(--accent); }
.section-head h2 { font: 650 clamp(1.6rem, 3.6vw, 2.3rem)/1.15 var(--serif); margin: 0; letter-spacing: -0.01em; }
h3 { font: 650 clamp(1.5rem, 3vw, 2rem)/1.15 var(--serif); margin: 0 0 12px; letter-spacing: -0.01em; }
.stack { font: 0.8rem/1.6 var(--mono); color: var(--muted); border-top: 1px dashed var(--line); padding-top: 12px; margin: 18px 0 0; }
.links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 12px; }
.links a { font-weight: 600; text-decoration: none; padding: 4px 0; }
.links a:hover { text-decoration: underline; }

/* Lead entries */
.entry {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(22px, 4vw, 52px); align-items: start;
  padding-bottom: clamp(40px, 6vw, 64px); margin-bottom: clamp(40px, 6vw, 64px); border-bottom: 1px dashed var(--line);
}
.entry.flip { grid-template-columns: 0.8fr 1fr; }
.pitch { font-size: 1.05rem; margin: 0 0 18px; }
.points { margin: 0; padding-left: 18px; color: var(--muted); }
.points li { margin-bottom: 6px; }
.points li::marker { color: var(--accent); }
.points strong { color: var(--ink); font-weight: 600; }
.note { display: inline-block; margin: 14px 0 0; font: 500 0.78rem var(--mono); color: var(--accent); border: 1px solid currentColor; border-radius: 4px; padding: 3px 8px; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0 0 18px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.facts div { background: var(--paper); padding: 10px 12px; }
.facts dt { font: 650 1.45rem/1.1 var(--serif); }
.facts dd { margin: 4px 0 0; font: 0.72rem/1.35 var(--mono); color: var(--muted); }

.shot { display: block; border-radius: var(--radius); overflow: hidden; }
.browser { background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .25s; }
.browser:hover { transform: translateY(-3px); }
.dots { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.dots b { font: 400 0.72rem var(--mono); color: var(--muted); margin-left: 10px; }
.phone-stage {
  display: grid; place-items: center; padding: clamp(20px, 4vw, 40px) 0;
  background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 62%);
}
.phone { width: min(260px, 72%); border-radius: 26px; border: 7px solid #111; box-shadow: var(--shadow); }

/* Compact rows */
.rows { display: grid; gap: 0; }
.row {
  display: grid; grid-template-columns: 300px 1fr; gap: clamp(18px, 3vw, 36px); align-items: start;
  padding: 28px 0; border-bottom: 1px dashed var(--line);
}
.row:first-child { padding-top: 0; }
.thumb { aspect-ratio: 16 / 10; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); }
.thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.thumb.chart { display: grid; place-items: center; padding: 8px; }
.thumb.chart img { object-fit: contain; }
.row h3 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); margin-bottom: 8px; }
.row-body p { margin: 0; color: var(--muted); }
.row-body p strong { color: var(--ink); }
.row-body .label { margin-bottom: 8px; }
.row-body .stack { margin-top: 14px; }

.earlier { margin-top: 28px; border: 1px solid var(--line); border-radius: 8px; padding: 14px 20px; background: var(--paper); }
.earlier summary { cursor: pointer; font-weight: 600; }
.earlier ul { color: var(--muted); margin: 12px 0 4px; padding-left: 18px; }
.earlier strong { color: var(--ink); }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 1px solid var(--line); }
.skills div { padding: 18px 20px 18px 0; border-bottom: 1px solid var(--line); }
.skills div + div { padding-left: 20px; border-left: 1px dashed var(--line); }
.skills dt { font: 650 1.1rem var(--serif); margin-bottom: 6px; }
.skills dd { margin: 0; color: var(--muted); font-size: 0.93rem; }

/* About */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(24px, 5vw, 64px); align-items: start; }
.about-body { font-size: 1.05rem; color: var(--muted); }
.about-body p { margin: 0 0 16px; }
.about-body strong { color: var(--ink); }
.story-link { font-size: 0.95rem; text-decoration: none; }
.story-link:hover { text-decoration: underline; }
.notes details { border-bottom: 1px dashed var(--line); padding: 12px 0; }
.notes details:first-of-type { border-top: 1px dashed var(--line); }
.notes summary { cursor: pointer; font: 500 1.05rem var(--serif); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.notes summary::-webkit-details-marker { display: none; }
.notes summary::after { content: "+"; font-family: var(--mono); color: var(--accent); }
.notes details[open] summary::after { content: "−"; }
.notes details p { margin: 10px 0 2px; color: var(--muted); font-family: var(--serif); font-style: italic; }

/* Contact & footer */
.contact p { font-size: 1.15rem; max-width: 56ch; margin: 0 0 24px; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: clamp(72px, 10vw, 120px); padding: 22px 0 36px; border-top: 1px solid var(--ink); font: 0.8rem var(--mono); color: var(--muted); }
.footer p { margin: 0; }

/* Gentle reveal (only with JS, and only when motion is OK) */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .trace { animation: none; clip-path: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .browser { transition: none; }
}

/* Tablets and phones */
@media (max-width: 900px) {
  .entry, .entry.flip, .about { grid-template-columns: 1fr; }
  .entry.flip .shot { order: -1; }
  .row { grid-template-columns: 200px 1fr; }
  .skills { grid-template-columns: repeat(2, 1fr); }
  .skills div:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 600px) {
  .row { grid-template-columns: 1fr; }
  .thumb { aspect-ratio: 16 / 9; }
  .skills { grid-template-columns: 1fr; }
  .skills div, .skills div + div { padding-left: 0; border-left: 0; }
  .facts dt { font-size: 1.2rem; }
  .nav nav { gap: 14px; }
  .nav nav a { font-size: 0.9rem; }
  .footer { flex-direction: column; }
}