/* =========================================================================
   New England Vintage Computer Group — homepage styles
   Same color system and type pairing as the Discourse theme: IBM Plex Mono
   for headings/labels/buttons, system sans for body copy, parchment light
   theme + phosphor-terminal dark theme.
   ========================================================================= */

:root {
  --color-bg: #F4EFE3;
  --color-surface: #FFFDF7;
  --color-border: #D8D0BC;
  --color-text: #2B2B28;
  --color-text-muted: #6B6557;
  --color-case: #EFE7D6;
  --color-accent: #1F7A6C;
  --color-accent-2: #D98E2B;
  --color-accent-3: #C1502E;
  --color-led: #C0392B;

  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1080px;
  --radius: 10px;
}

[data-theme="dark"] {
  --color-bg: #16181A;
  --color-surface: #1E2120;
  --color-border: #2B2F2D;
  --color-text: #E8E6DE;
  --color-text-muted: #9098A0;
  --color-case: #1E2120;
  --color-accent: #4FD67A;
  --color-accent-2: #E8A33D;
  --color-accent-3: #D9694A;
  --color-led: #E0584A;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

img {
  max-width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- header ----------------------------------------------------------- */

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

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.brand-name .tag {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-link {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  padding: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---- accent stripe ------------------------------------------------------ */

.accent-stripe {
  height: 4px;
  display: flex;
}

.accent-stripe span {
  flex: 1;
}

.accent-stripe span:nth-child(1) { background: var(--color-accent); }
.accent-stripe span:nth-child(2) { background: var(--color-accent-2); }
.accent-stripe span:nth-child(3) { background: var(--color-accent-3); }

/* ---- hero --------------------------------------------------------------- */

.hero {
  padding: 72px 0 64px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  margin: 0 0 18px;
  letter-spacing: 0.01em;
}

.hero p {
  font-size: 17px;
  color: var(--color-text-muted);
  margin: 0 0 28px;
  max-width: 46ch;
}

.hero-icon {
  display: flex;
  justify-content: center;
}

.hero-icon svg {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 13px 22px;
  border-radius: 6px;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
  background: var(--color-accent-2);
  color: var(--color-bg);
}

/* ---- features ------------------------------------------------------------ */

.features {
  padding: 8px 0 72px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
}

.feature-card .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-led);
  margin-bottom: 14px;
}

.feature-card h3 {
  font-family: var(--font-mono);
  font-size: 15px;
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.feature-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ---- footer -------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 0;
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.site-footer a {
  font-size: 13px;
  font-family: var(--font-mono);
}

/* ---- responsive ----------------------------------------------------------- */

@media (max-width: 760px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-icon svg {
    max-width: 180px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .brand-name {
    font-size: 12px;
  }
}