/* ============================================================
   Kris Leigh Miller — Applied AI Quality & Reliability
   Paper-and-ink report aesthetic: warm paper, ink text,
   one verification-teal accent, serif display + mono labels.
   ============================================================ */

:root {
  --color-bg: #faf9f6;
  --color-surface: #f2f0ea;
  --color-divider: #e4e1d8;
  --color-border: #d7d3c8;
  --color-text: #211f1a;
  --color-text-muted: #6b6860;
  --color-text-faint: #6b6860;
  --color-primary: #0d5c58;
  --color-primary-hover: #083f3c;
  --color-primary-soft: #e1eeeb;

  --text-xs: clamp(0.74rem, 0.7rem + 0.2vw, 0.84rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 1rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --text-lg: clamp(1.15rem, 1rem + 0.65vw, 1.45rem);
  --text-xl: clamp(1.55rem, 1.25rem + 1.2vw, 2.2rem);
  --text-2xl: clamp(2.15rem, 1.45rem + 2.8vw, 4rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --font-display: 'Boska', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Satoshi', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-8);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
}

img, svg, video, canvas { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-weight: 500; }
p, li, figcaption { text-wrap: pretty; }

::selection { background: color-mix(in oklab, var(--color-primary) 22%, transparent); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-interactive), border-color var(--transition-interactive), background-color var(--transition-interactive);
}
a:hover { color: var(--color-primary-hover); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  background: var(--color-bg);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  z-index: 100;
  font-size: var(--text-sm);
}
.skip-link:focus { left: var(--space-4); }

.container {
  width: min(100% - 2.5rem, 70rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

.site-brand { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.site-brand:hover { color: inherit; }
.site-name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.1; }
.site-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.055em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--space-2) var(--space-5); }
.site-nav a { color: var(--color-text-muted); font-size: var(--text-sm); text-decoration: none; }
.site-nav a:hover { color: var(--color-primary); }

main { padding-block: var(--space-16) var(--space-20); }
section { margin-block-end: var(--space-24); }

.hero { max-width: 62rem; margin-block-end: var(--space-24); }
.eyebrow, .section-label, .project-type, .project-status, .publication, .card-index, .page-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.065em;
  text-transform: uppercase;
}
.eyebrow, .section-label, .page-kicker { color: var(--color-primary); margin-block-end: var(--space-4); }
.hero h1 { max-width: 17ch; font-family: var(--font-display); font-size: var(--text-2xl); letter-spacing: -0.015em; margin-block-end: var(--space-6); }
.hero .lede { max-width: 67ch; color: var(--color-text-muted); font-size: var(--text-lg); line-height: 1.55; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); margin-block-start: var(--space-8); }
.button {
  display: inline-block;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: var(--color-bg);
  padding: 0.72rem 1.05rem;
  text-decoration: none;
  font-weight: 700;
}
.button:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: var(--color-bg); }
.text-link { font-weight: 700; text-decoration: none; }

h2 { max-width: 22ch; font-family: var(--font-display); font-size: var(--text-xl); margin-block-end: var(--space-5); }
h3 { font-family: var(--font-display); font-size: var(--text-lg); margin-block-end: var(--space-3); }
.section-intro { max-width: 66ch; color: var(--color-text-muted); margin-block-end: var(--space-8); }

.card-grid { display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); }
.capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.two-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--color-bg); padding: clamp(var(--space-6), 4vw, var(--space-10)); }
.card p + p { margin-block-start: var(--space-5); }
.card-index { color: var(--color-primary); margin-block-end: var(--space-5); }
.card h3 { max-width: 22ch; }
.card > p:not(.card-index) { color: var(--color-text-muted); }

.project-list { border-top: 1px solid var(--color-border); }
.project-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11rem, 15rem);
  gap: var(--space-8);
  align-items: end;
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.project-card h3 a { color: var(--color-text); text-decoration-color: var(--color-primary); }
.project-card h3 a:hover { color: var(--color-primary); }
.project-card p:not(.project-type, .project-status) { max-width: 68ch; color: var(--color-text-muted); }
.project-type { color: var(--color-primary); margin-block-end: var(--space-3); }
.project-status { color: var(--color-text-faint); text-align: right; }
.featured-project { background: linear-gradient(90deg, var(--color-primary-soft), transparent 68%); padding-inline: var(--space-5); }

.writing-list { border-top: 1px solid var(--color-border); }
.writing-list article { display: grid; grid-template-columns: minmax(14rem, 0.85fr) 1.4fr; gap: var(--space-8); padding-block: var(--space-6); border-bottom: 1px solid var(--color-border); }
.writing-list h3 a { color: var(--color-text); text-decoration-color: var(--color-primary); }
.writing-list article > p:not(.publication) { color: var(--color-text-muted); }
.publication { grid-column: 2; color: var(--color-text-faint); }

.contact-section { max-width: 52rem; padding: clamp(var(--space-8), 6vw, var(--space-12)); background: var(--color-surface); }
.contact-section > p:not(.section-label) { max-width: 62ch; }
.contact-email { display: inline-block; font-family: var(--font-mono); font-size: var(--text-lg); text-decoration: none; border-bottom: 2px solid var(--color-primary); margin-block: var(--space-5); }
.contact-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); }
.contact-links a { font-size: var(--text-sm); }

.site-footer { border-top: 1px solid var(--color-divider); padding-block: var(--space-8); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-3); margin-block-start: var(--space-2); }
.footer-links span { color: var(--color-text-faint); }

/* Interior pages */
.page-shell { max-width: 52rem; }
.breadcrumbs { margin-block-end: var(--space-10); font-size: var(--text-sm); color: var(--color-text-muted); }
.page-header { margin-block-end: var(--space-12); }
.page-header h1 { font-family: var(--font-display); font-size: var(--text-2xl); max-width: 17ch; margin-block-end: var(--space-5); }
.page-header .lede { color: var(--color-text-muted); font-size: var(--text-lg); max-width: 62ch; }
.status-note { border-left: 3px solid var(--color-primary); background: var(--color-primary-soft); padding: var(--space-5) var(--space-6); margin-block: var(--space-8); }
.prose h2 { max-width: none; margin-block-start: var(--space-12); }
.prose h3 { margin-block-start: var(--space-8); }
.prose p { margin-block-end: var(--space-5); }
.prose ul { list-style: none; margin-block: var(--space-5); }
.prose li { position: relative; padding: var(--space-2) 0 var(--space-2) var(--space-6); border-top: 1px solid var(--color-divider); }
.prose li:last-child { border-bottom: 1px solid var(--color-divider); }
.prose li::before { content: "—"; position: absolute; left: 0; color: var(--color-primary); }
.meta-list { display: grid; grid-template-columns: 9rem 1fr; border-top: 1px solid var(--color-border); margin-block: var(--space-8); }
.meta-list dt, .meta-list dd { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-divider); }
.meta-list dt { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; color: var(--color-text-muted); }
.meta-list dd { margin: 0; }

.not-found { min-height: 60vh; display: grid; align-content: center; }

@media (max-width: 48rem) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .site-nav { justify-content: flex-start; }
  .capability-grid, .two-column { grid-template-columns: 1fr; }
  .project-card, .writing-list article { grid-template-columns: 1fr; gap: var(--space-4); }
  .project-status { text-align: left; }
  .publication { grid-column: 1; }
}

@media (max-width: 34rem) {
  .container { width: min(100% - 1.5rem, 70rem); }
  .site-header { padding-block: var(--space-6); }
  .site-nav { gap: var(--space-2) var(--space-4); }
  main { padding-block: var(--space-10) var(--space-12); }
  section { margin-block-end: var(--space-16); }
  .hero { margin-block-end: var(--space-16); }
  .hero h1, .page-header h1 { font-size: clamp(2rem, 10vw, 3rem); }
  .card { padding: var(--space-6); }
  .contact-section { padding: var(--space-6); }
  .meta-list { grid-template-columns: 1fr; }
  .meta-list dt { border-bottom: 0; padding-bottom: 0; }
}