/*
 * iCode site styles.
 *
 * Design language follows the same system used across REA's site (system fonts,
 * hairline borders, tight radii, a single restrained accent, a narrow reading
 * measure, and a light/dark pair). Implemented independently for this site.
 *
 * Dark palette is Catppuccin Mocha (https://catppuccin.com, MIT).
 */

:root {
  --ink: #1c2128;
  --muted: #57606a;
  --line: #d8dee4;
  --soft: #f6f8fa;
  --accent: #1a7f37;
  --accent-ink: #ffffff;
  --page: #ffffff;
  --code-bg: #f6f8fa;
  --shadow: 0 5px 20px rgb(28 33 40 / 8%);
  --ok: #1a7f37;
  --warn: #a8520f;
  --font-latin: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial;
  --font-code: "SFMono-Regular", Consolas, "Liberation Mono";
  --font-sans: var(--font-latin), sans-serif;
  --font-mono: var(--font-code), monospace;
  --measure: 760px;
  --wide: 1080px;
}

:root[data-theme="dark"] {
  --ink: #cdd6f4;
  --muted: #a6adc8;
  --line: #45475a;
  --soft: #181825;
  --accent: #3fb950;
  --accent-ink: #0d1117;
  --page: #1e1e2e;
  --code-bg: #181825;
  --shadow: 0 5px 20px rgb(0 0 0 / 35%);
  --ok: #a6e3a1;
  --warn: #fab387;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--accent); text-underline-offset: 2px; }

.container { max-width: var(--measure); margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: var(--wide); margin: 0 auto; padding: 0 1.5rem; }
.container-lede { max-width: var(--measure); }

/* Header ------------------------------------------------------------------ */

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark { display: block; width: 26px; height: 26px; flex: none; }
.brand-name { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; }
.brand-caption { font-size: 0.85rem; color: var(--muted); font-weight: 400; }

.site-nav { display: flex; align-items: center; gap: 1.2rem; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

.theme-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
}
.theme-toggle:hover { background: var(--soft); }

/* Type -------------------------------------------------------------------- */

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  font-weight: 700;
  text-wrap: balance;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  font-weight: 650;
  text-wrap: balance;
}

h3 { font-size: 1.05rem; margin: 0 0 0.5rem; font-weight: 600; }

p { margin: 0 0 1.1rem; }

.lede { font-size: 1.125rem; color: var(--muted); }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

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

main { display: block; }

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}
.section:first-child { border-top: 0; }

.hero { padding: 5rem 0 3.5rem; }

.hero-note {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 1.1rem 0 0;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
}

/* Actions ----------------------------------------------------------------- */

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }

.button {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: 5px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--page);
}
.button:hover { background: var(--soft); }
.button-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button-primary:hover { opacity: 0.92; background: var(--accent); }

/* Cards ------------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--page);
}
.card:hover { box-shadow: var(--shadow); }
.card p { color: var(--muted); font-size: 0.9rem; margin: 0; }
.card .more { margin-top: 0.6rem; font-weight: 600; font-size: 0.9rem; text-decoration: none; }

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Product pages ----------------------------------------------------------- */

figure { margin: 0; }

.product-shot { min-width: 0; }
.product-shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--soft);
  box-shadow: var(--shadow);
}
.product-shot figcaption {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.hero-shot { margin-top: 2.2rem; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 3rem;
  align-items: center;
}

.shot-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.product-grid { align-items: stretch; }
.product-card .more { margin-top: auto; }
.product-card p { font-size: 0.925rem; }

.mini-list {
  margin: 0 0 0.4rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.875rem;
}
.mini-list li { margin: 0.35rem 0; }

.product-command { margin: 0.2rem 0 0.6rem; }
.product-command code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
}

/* Code blocks ------------------------------------------------------------- */

.code-block {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--code-bg);
  overflow: hidden;
  margin: 1.6rem 0;
}
.code-block pre {
  margin: 0;
  padding: 1rem 1.4rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Lists ------------------------------------------------------------------- */

.feature-list { margin: 0 0 1.1rem; padding-left: 1.1rem; color: var(--muted); }
.feature-list li { margin: 0.5rem 0; }
.feature-list strong { color: var(--ink); }

/* Footer ------------------------------------------------------------------ */

.site-footer { border-top: 1px solid var(--line); margin-top: 1rem; }

.site-footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}
.site-footer-inner p { margin: 0; }
.site-footer-brand { flex: 1 1 100%; color: var(--ink); font-weight: 600; }
.site-footer-copy { flex: 1 1 100%; font-size: 0.8rem; }
.site-footer-links { display: flex; flex: 1 1 100%; flex-wrap: wrap; gap: 0.35rem 1.1rem; }
.site-footer-links a { text-decoration: none; }

.lockup {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  margin: 0;
}

/* Terminal demo ----------------------------------------------------------- */

.terminal {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--code-bg);
  overflow: hidden;
  margin: 1.6rem 0;
}
.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--font-mono);
}
.terminal-screen {
  padding: 1rem 1.2rem;
  min-height: 240px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-y: auto;
}
.term-line { min-height: 1.4em; }
.term-prompt { color: var(--ink); font-weight: 600; }
.term-tool { color: var(--muted); }
.term-ok { color: var(--ok); }
.term-fail { color: var(--warn); }
.term-answer { color: var(--ink); }

/* Notices, details, misc -------------------------------------------------- */

.notice {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 5px;
  background: var(--soft);
  padding: 1.2rem 1.4rem;
}
.notice p { margin: 0 0 0.6rem; }
.notice p:last-child { margin-bottom: 0; }
.notice .feature-list { margin-bottom: 0; }

details {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}
details summary {
  cursor: pointer;
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: "▸ ";
  color: var(--muted);
}
details[open] summary::before { content: "▾ "; }
details summary strong { font-weight: 600; }
details p { margin: 0.7rem 0 0; color: var(--muted); }

.muted { color: var(--muted); font-size: 0.9rem; }

.copy-button {
  border: 1px solid var(--line);
  background: var(--page);
  color: var(--muted);
  border-radius: 4px;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
}
.copy-button:hover { color: var(--ink); }


/* Responsive -------------------------------------------------------------- */

@media (max-width: 1040px) {
  .brand-caption { display: none; }
}

@media (max-width: 860px) {
  .split { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .shot-row { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .site-header-inner {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    padding-block: 0.75rem;
  }
  .site-nav {
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.15rem;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { white-space: nowrap; }
  .hero { padding: 3.25rem 0 2.75rem; }
  .section { padding: 2.75rem 0; }
  .site-footer-inner { padding-bottom: 2rem; }
}