/* Mahout Studio — one-page landing
   Author: Sina Etehadieh
   All design decisions are tokens in :root. Direction chosen in design/options.html:
   Type D (Jost + Jost) on Palette 3 (Stone & Moss). The Google Fonts link in index.html must match. */

:root {
  /* Type — Type D: Jost throughout, light weight, tracked capitals for the headline */
  --font-display: 'Jost', 'Futura', 'Century Gothic', sans-serif;
  --font-body: 'Jost', system-ui, -apple-system, sans-serif;
  --display-weight: 300;
  --display-tracking: 0.14em;
  --display-case: uppercase;
  --display-scale: 0.7;

  /* Colour — Palette 3: Stone & Moss */
  --bg: #F5F5F1;
  --surface: #EBECE6;
  --ink: #1E221E;
  --muted: #6E756D;
  --line: #DCDFD5;
  --accent: #5C6C58;

  /* Rhythm */
  --gutter: clamp(1.25rem, 6vw, 5rem);
  --measure: 58ch;
  --s1: .5rem;
  --s2: 1rem;
  --s3: 1.5rem;
  --s4: 2.5rem;
  --s5: 4rem;
  --s6: 7rem;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-inline: var(--gutter);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.nowrap { white-space: nowrap; }
a:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; }

.skip { position: absolute; left: -999px; top: 0; }
.skip:focus {
  left: var(--gutter); top: var(--s2);
  background: var(--ink); color: var(--bg);
  padding: .5rem .75rem;
}

/* Header */
.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s3);
  padding-block: var(--s3);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-size: 1.3rem;
  letter-spacing: .02em;
}
.site-header nav {
  display: flex;
  gap: var(--s3);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-header nav a { transition: color .2s; }
.site-header nav a:hover { color: var(--ink); }

main { flex: 1; }

/* Labels */
.eyebrow {
  margin: 0 0 var(--s3);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Hero */
.hero { padding-block: var(--s6) var(--s5); }
h1 {
  margin: 0 0 var(--s3);
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-case);
  font-size: calc(clamp(2.5rem, 2rem + 4vw, 5rem) * var(--display-scale));
  line-height: 1.05;
  text-wrap: balance;
}
.lede {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(1.05rem, 1rem + .4vw, 1.3rem);
  color: var(--muted);
}

/* Sections */
section + section { border-top: 1px solid var(--line); }
.about, .contact {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, var(--measure));
  gap: var(--s3) var(--s5);
  padding-block: var(--s5);
}
@media (max-width: 640px) {
  .about, .contact { grid-template-columns: 1fr; }
}
.about p { margin: 0; }
.about p + p { margin-top: var(--s2); }

.contact-lead { margin: 0 0 var(--s3); color: var(--muted); }

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
  justify-items: start;
}
.contact-list a {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-size: clamp(1.4rem, 1.2rem + 1.2vw, 2.25rem);
  line-height: 1.2;
  padding-bottom: .1em;
  border-bottom: 1px solid var(--line);
  transition: border-color .2s, color .2s;
}
.contact-list a:hover { border-color: var(--accent); color: var(--accent); }

/* Footer */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s2);
  padding-block: var(--s3);
  border-top: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.site-footer p { margin: 0; }