/* Bolt landing — modern, dark-first, no-framework CSS.
   Tokens are semantic (--bg, --fg, --accent, --code-bg) so dark
   mode is one media query. Class names match index.html exactly. */

:root {
  color-scheme: dark light;

  /* Type */
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo,
               Consolas, "Liberation Mono", monospace;

  /* Spacing scale */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;

  /* Light theme (default if user has no preference) */
  --bg:        #fafafa;
  --bg-alt:    #f3f4f6;
  --fg:        #0b0f19;
  --fg-muted:  #4b5563;
  --fg-faint:  #6b7280;
  --border:    #e5e7eb;
  --border-strong: #d1d5db;
  --accent:    #2563eb;
  --accent-hover: #1d4ed8;
  --accent-fg: #ffffff;
  --code-bg:   #f3f4f6;
  --code-fg:   #111827;
  --terminal-bg: #0b0f19;
  --terminal-fg: #e5e7eb;
  --tk-key:    #93c5fd;
  --tk-str:    #86efac;
  --tk-num:    #fcd34d;
  --tk-kw:     #f472b6;
  --tk-fn:     #38bdf8;
  --tk-cm:     #94a3b8;
  --tk-hl-bg:  rgba(252, 211, 77, 0.18);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0b0f19;
    --bg-alt:    #111827;
    --fg:        #f3f4f6;
    --fg-muted:  #cbd5e1;
    --fg-faint:  #94a3b8;
    --border:    #1f2937;
    --border-strong: #334155;
    --accent:    #60a5fa;
    --accent-hover: #93c5fd;
    --accent-fg: #0b0f19;
    --code-bg:   #0f172a;
    --code-fg:   #e2e8f0;
    --terminal-bg: #050810;
    --terminal-fg: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  }
}

/* Manual override via [data-theme]; persisted by script.js */
:root[data-theme="dark"] {
  --bg:        #0b0f19;
  --bg-alt:    #111827;
  --fg:        #f3f4f6;
  --fg-muted:  #cbd5e1;
  --fg-faint:  #94a3b8;
  --border:    #1f2937;
  --border-strong: #334155;
  --accent:    #60a5fa;
  --accent-hover: #93c5fd;
  --accent-fg: #0b0f19;
  --code-bg:   #0f172a;
  --code-fg:   #e2e8f0;
  --terminal-bg: #050810;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
}

:root[data-theme="light"] {
  --bg:        #fafafa;
  --bg-alt:    #f3f4f6;
  --fg:        #0b0f19;
  --fg-muted:  #4b5563;
  --fg-faint:  #6b7280;
  --border:    #e5e7eb;
  --border-strong: #d1d5db;
  --accent:    #2563eb;
  --accent-hover: #1d4ed8;
  --accent-fg: #ffffff;
  --code-bg:   #f3f4f6;
  --code-fg:   #111827;
  --terminal-bg: #0b0f19;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 0.1em 0.35em;
  border-radius: var(--r-sm);
}
pre code { background: transparent; padding: 0; border-radius: 0; font-size: 0.875rem; }

/* Skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: var(--s-3) var(--s-4);
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  border-radius: 0 0 var(--r-sm) 0;
  z-index: 100;
}
.skip:focus { left: 0; }

/* Layout */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--s-5);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--fg);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}
.brand img { display: block; }
.brand-text { letter-spacing: -0.01em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  margin-left: auto;
}
.nav-links a {
  color: var(--fg-muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}
.nav-links a:hover { color: var(--fg); }

.github-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.4rem 0.8rem;
  background: var(--bg-alt);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  color: var(--fg);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}
.github-cta:hover { background: var(--bg); border-color: var(--accent); color: var(--fg); text-decoration: none; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--fg-muted);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--border-strong); }
.theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-icon-sun { display: none; }
:root[data-theme="dark"] .theme-icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-icon-moon { display: block; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* HERO */
.hero { padding: var(--s-9) 0 var(--s-8); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--s-7);
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-7); }
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-4);
}

.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: var(--s-5);
  color: var(--fg);
}
.hero h1 code {
  background: transparent;
  color: var(--accent);
  padding: 0;
  font-size: 0.9em;
}

.lede {
  font-size: clamp(1rem, 1.7vw, 1.125rem);
  color: var(--fg-muted);
  max-width: 36rem;
  margin-bottom: var(--s-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}

.install {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.55rem 0.75rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--code-fg);
}
.install code { background: transparent; padding: 0; }
.install-prompt { color: var(--fg-faint); user-select: none; }

.copy-btn {
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  color: var(--fg-muted);
  cursor: pointer;
  font-family: var(--font-sans);
}
.copy-btn:hover { color: var(--fg); border-color: var(--accent); }
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.6rem 1.05rem;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.12s ease;
}
.cta-primary:hover { background: var(--accent-hover); color: var(--accent-fg); text-decoration: none; transform: translateY(-1px); }

.badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
}
.badges-row img { display: block; height: 20px; }

.trust-strip {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
  font-size: 0.8rem;
  color: var(--fg-faint);
}
.trust-strip li { display: inline-flex; align-items: center; }
.trust-strip li + li::before {
  content: "·";
  margin-right: var(--s-4);
  color: var(--border-strong);
}
.trust-strip a { color: var(--fg-faint); text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 3px; }
.trust-strip a:hover { color: var(--fg); }

/* Hero demo terminal */
.hero-demo { position: relative; }
.terminal {
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  border: 1px solid var(--border);
}
.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.terminal-bar span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #4b5563;
}
.terminal-bar span:nth-child(1) { background: #ef4444; }
.terminal-bar span:nth-child(2) { background: #f59e0b; }
.terminal-bar span:nth-child(3) { background: #10b981; }
.terminal-body { padding: var(--s-4) var(--s-5); white-space: pre; overflow-x: auto; }

.tk-key { color: var(--tk-key); }
.tk-str { color: var(--tk-str); }
.tk-num { color: var(--tk-num); }
.tk-kw  { color: var(--tk-kw); }
.tk-fn  { color: var(--tk-fn); }
.tk-cm  { color: var(--tk-cm); }
.tk-hl  { background: var(--tk-hl-bg); display: inline-block; padding: 0 4px; border-radius: 3px; }

.hero-demo-note {
  margin-top: var(--s-4);
  font-size: 0.85rem;
  color: var(--fg-faint);
  max-width: 28rem;
}

/* What's new strip */
.whatsnew {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--s-5) 0;
  background: var(--bg-alt);
}
.whatsnew-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: var(--s-3);
}
.whatsnew-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s-3);
}
.whatsnew-list a {
  display: block;
  padding: var(--s-3) var(--s-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.12s ease, transform 0.12s ease;
}
.whatsnew-list a:hover { border-color: var(--accent); transform: translateY(-1px); text-decoration: none; }
.whatsnew-list strong { display: block; font-size: 0.92rem; margin-bottom: var(--s-1); color: var(--fg); }
.whatsnew-list span { display: block; font-size: 0.82rem; color: var(--fg-muted); }

/* Sections */
.section { padding: var(--s-9) 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: var(--s-4);
  color: var(--fg);
}
.section-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 44rem;
  margin-bottom: var(--s-6);
}

/* Jobs grid */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s-4);
  margin-bottom: var(--s-6);
}
.job-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--s-5);
  transition: border-color 0.12s ease;
}
.section-alt .job-card { background: var(--bg-alt); }
.job-card:hover { border-color: var(--accent); }
.job-job {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-2);
}
.job-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--s-3);
  color: var(--fg);
}
.job-card p { color: var(--fg-muted); font-size: 0.93rem; margin-bottom: var(--s-4); }
.job-card a { font-weight: 600; font-size: 0.9rem; }

.why-honest {
  margin-top: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
  font-size: 0.95rem;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.section-alt .why-honest { background: var(--bg); }

/* Diff grid (slog vs bolt) */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}
@media (max-width: 880px) { .diff-grid { grid-template-columns: 1fr; } }

.diff-pane {
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.diff-pane figcaption {
  padding: 0.6rem var(--s-4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg-faint);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.diff-pane-after figcaption { color: var(--accent); }
.diff-pane pre,
.diff-pane pre code {
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
}
.diff-pane pre {
  padding: var(--s-4);
  overflow-x: auto;
  white-space: pre;
  /* Reserve consistent height across both panes so the diff lines
     stay aligned even when bolt's example has fewer real lines. */
  min-height: 14rem;
}
.diff-foot {
  font-size: 0.92rem;
  color: var(--fg-muted);
}

/* Code grid (quickstart) */
.code-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-4);
  margin-bottom: var(--s-5);
}
.code-block {
  background: var(--terminal-bg);
  color: var(--terminal-fg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.code-block header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem var(--s-4);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.code-block h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-faint);
}
.code-block h3 code { background: transparent; color: var(--accent); padding: 0; }
.code-block pre,
.code-block pre code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
}
.code-block pre {
  padding: var(--s-4);
  overflow-x: auto;
  white-space: pre;
}
.code-block .copy-btn { color: var(--terminal-fg); border-color: rgba(255, 255, 255, 0.18); }
.code-block .copy-btn:hover { color: var(--accent); border-color: var(--accent); }

.next-steps {
  font-size: 0.92rem;
  color: var(--fg-muted);
}
.next-steps a { font-weight: 500; }

/* Performance section */
.bench-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--s-3);
  background: var(--bg);
}
.section-alt .bench-table-wrap { background: var(--bg-alt); }
.bench-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.bench-table th, .bench-table td {
  padding: 0.7rem var(--s-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.bench-table tbody tr:last-child td { border-bottom: none; }
.bench-table th {
  font-weight: 600;
  color: var(--fg-faint);
  background: var(--bg-alt);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.section-alt .bench-table th { background: var(--bg); }
.bench-table .num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.bench-table .bench-self { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.bench-table .bench-self td { font-weight: 600; }
.bench-foot { font-size: 0.85rem; color: var(--fg-faint); }

/* Trust block */
.trust-block { padding: var(--s-8) 0; border-top: 1px solid var(--border); background: var(--bg-alt); }
.trust-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s-5);
}
.trust-row h3 {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: var(--s-2);
  color: var(--fg);
}
.trust-row p { font-size: 0.9rem; color: var(--fg-muted); }

/* Footer */
.site-footer {
  padding: var(--s-6) 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
  font-size: 0.88rem;
  color: var(--fg-muted);
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--fg-muted);
}
.footer-brand a { color: var(--fg); }
.footer-brand a:hover { color: var(--accent); }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
}
.footer-links a {
  color: var(--fg-faint);
  font-size: 0.85rem;
  text-decoration: none;
}
.footer-links a:hover { color: var(--fg); text-decoration: underline; }

/* Selection */
::selection { background: var(--accent); color: var(--accent-fg); }