/* talixodev — studio landing.
   Self-contained: system font stacks only, no external requests. */

:root {
  --bg: #f9fafb;
  --fg: #111111;
  --muted: #4b5563; /* darker than #6B7280 for body-length readability (AA) */
  --muted-soft: #6b7280; /* labels / small text only */
  --accent: #f49b0b;
  --line: #e5e7eb;
  --card: #ffffff;

  --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas,
    "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;

  --maxw: 44rem;
  --pad: 1.5rem;
}

/* Dark theme: applied by OS preference (no JS) or by [data-theme] (JS clock fallback). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0d0f;
    --fg: #f4f4f5;
    --muted: #a1a1aa;
    --muted-soft: #8b8b93;
    --line: #26262b;
    --card: #161619;
  }
}
:root[data-theme="dark"] {
  --bg: #0d0d0f;
  --fg: #f4f4f5;
  --muted: #a1a1aa;
  --muted-soft: #8b8b93;
  --line: #26262b;
  --card: #161619;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

section {
  padding: clamp(2.25rem, 5vw, 3.25rem) 0;
  border-bottom: 1px solid var(--line);
}

/* ---- Hero ---- */
.hero {
  padding-top: clamp(2.5rem, 7vw, 4rem);
}

.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.4rem, 9vw, 4rem);
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  line-height: 1;
}

.cursor {
  display: inline-block;
  width: 0.62ch;
  height: 1em;
  margin-left: 0.12em;
  background: var(--accent);
  transform: translateY(0.12em);
  animation: blink 1.05s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.tagline {
  font-family: var(--mono);
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  color: var(--fg);
  margin: 0 0 0.75rem;
}

.subline {
  color: var(--muted);
  margin: 0 0 0.4rem;
  max-width: 38rem;
}

.subline:last-of-type {
  margin-bottom: 0;
}

/* ---- Section headings ---- */
h2 {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-soft);
  margin: 0 0 1.25rem;
}

/* ---- Principles ---- */
.principle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: principle;
}

.principle-list li {
  position: relative;
  padding-left: 3rem;
  max-width: 38rem;
  counter-increment: principle;
}

/* IDE-style gutter: subtle, right-aligned, non-selectable line numbers. */
.principle-list li::before {
  content: counter(principle);
  position: absolute;
  left: 0;
  width: 1.75rem;
  text-align: right;
  color: var(--muted-soft);
  opacity: 0.4;
  font-variant-numeric: tabular-nums;
  -webkit-user-select: none;
  user-select: none;
}

/* ---- Work ---- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.card-head h3 {
  font-size: 1.25rem;
  margin: 0;
}

.status {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--accent);
  color: #111111; /* dark text on amber = high contrast */
  white-space: nowrap;
}

.card-desc {
  color: var(--muted);
  margin: 0 0 1rem;
}

.card-links {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  display: flex;
  gap: 1.25rem;
}

.work-more {
  color: var(--muted-soft);
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 1.5rem 0 0;
}

/* ---- Links ---- */
a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.15s ease, background 0.15s ease;
}

a:hover {
  background: var(--accent);
  color: #111111;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---- Footer ---- */
footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.25rem, 5vw, 3.25rem) var(--pad) 3rem;
}

.feedback {
  color: var(--muted);
  max-width: 34rem;
  margin: 0 0 1.5rem;
}

.foot-links {
  font-family: var(--mono);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted-soft);
  margin-bottom: 1.5rem;
}

.colophon {
  color: var(--muted-soft);
  font-size: 0.82rem;
  font-family: var(--mono);
  margin: 0 0 2.5rem;
}

/* ---- Terminal ---- */
.term {
  font-family: var(--mono);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.term-out {
  white-space: pre-wrap;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.term-out .echo {
  color: var(--fg);
}

.term-out .accent {
  color: var(--accent);
}

.term-line {
  display: flex;
  align-items: baseline;
  gap: 0.5ch;
}

.term-prompt {
  color: var(--accent);
  white-space: pre;
}

.term-in {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--fg);
  font: inherit;
  padding: 0;
}

.term-in::placeholder {
  color: var(--muted-soft);
  opacity: 0.7;
}

.term-in:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
}