/* Theis Mathiassen — portfolio styles */

:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --surface-2: #f4f4f2;
  --border: #e6e4e1;
  --text: #1a1d21;
  --muted: #6b7078;
  --accent: #7c5cff;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(124, 92, 255, 0.09);
  --code-bg: #f4f4f2;
  --shadow: 0 1px 2px rgba(20, 20, 25, 0.05), 0 8px 24px -12px rgba(20, 20, 25, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101114;
    --surface: #17181c;
    --surface-2: #1e2127;
    --border: #2a2d34;
    --text: #e8eaed;
    --muted: #9aa0a9;
    --accent: #9d85ff;
    --accent-soft: rgba(157, 133, 255, 0.10);
    --code-bg: #1e2127;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 5rem;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.topbar nav {
  display: flex;
  gap: 1.5rem;
}

.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.topbar nav a:hover,
.topbar nav a.active {
  color: var(--text);
}

/* ---------- Hero ---------- */

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 1rem;
}

.hero h1 .dot {
  color: var(--accent);
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 56ch;
  font-size: 1.08rem;
}

.hero {
  margin-bottom: 3.5rem;
}

.hero-meta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- Sections ---------- */

.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-weight: 600;
}

section.projects {
  margin-bottom: 4rem;
}

/* ---------- Project cards ---------- */

.cards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.5rem 1.3rem;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-title {
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin: 0;
}

.card .arrow {
  color: var(--accent);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  display: inline-block;
  margin-left: 0.35rem;
}

.card:hover .arrow {
  opacity: 1;
  transform: translateX(2px);
}

.card-desc {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card a:hover .card-title {
  color: var(--accent);
}

/* ---------- Document / article ---------- */

.doc-header {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
}

.backlink {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}

.backlink:hover {
  color: var(--accent);
}

.doc-header h1:not(.md h1) {
  margin: 0.25rem 0 0;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.doc-header .doc-meta {
  color: var(--muted);
  font-family: ui-monospace, Menlo, Consolas, "SFMono-Regular", monospace;
  font-size: 0.78rem;
}

.md {
  animation: fade-in 0.25s ease;
}

.md h1 {
  font-size: clamp(1.7rem, 4vw, 2.1rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.md h2 {
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.md h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
}

.md a {
  color: var(--accent);
}

.md code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.12rem 0.35rem;
  font-size: 0.88em;
  font-family: ui-monospace, Menlo, Consolas, "SFMono-Regular", monospace;
}

.md pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.55;
}

.md pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
}

.md blockquote {
  border-left: 3px solid var(--accent);
  margin: 1.25rem 0;
  padding: 0.35rem 1.1rem;
  color: var(--muted);
  background: var(--accent-soft);
  border-radius: 0 10px 10px 0;
}

.md ul,
.md ol {
  padding-left: 1.4rem;
}

.md li {
  margin: 0.3rem 0;
}

.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.md img {
  max-width: 100%;
  border-radius: 12px;
}

.md table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
}

.md th,
.md td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
  text-align: left;
}

.md th {
  background: var(--surface-2);
}

/* ---------- Misc ---------- */

.empty {
  color: var(--muted);
  font-style: italic;
}

.error {
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--muted);
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 2.5rem 1.25rem 3.5rem;
  }
  .topbar {
    margin-bottom: 3rem;
  }
  .cards {
    grid-template-columns: 1fr;
  }
}