/* CCConfig landing — hand-rolled, dark-first, monospace-forward */

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ff: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --bg: #0d0d0f; --bg2: #13131a; --bg3: #1a1a24;
  --bd: rgba(255,255,255,.08); --bd2: rgba(255,255,255,.14);
  --fg: #e8e8f0; --fg2: #9090a8; --fg3: #5a5a72;
  --accent: #4f8ef7; --accent-h: #6ba3ff;
  --ok: #3dd68c; --warn: #f7c948;
  --radius: 10px; --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,.45);
}
[data-theme="light"] {
  --bg: #f7f7fb; --bg2: #eeeef6; --bg3: #e4e4f0;
  --bd: rgba(0,0,0,.10); --bd2: rgba(0,0,0,.18);
  --fg: #18181f; --fg2: #44445a; --fg3: #8888a0;
  --shadow: 0 4px 24px rgba(0,0,0,.10);
}
html { scroll-behavior: smooth; }
body { font-family: var(--ff); background: var(--bg); color: var(--fg); font-size: 14px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-h); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ---- Layout ---- */
.container { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* ---- Nav ---- */
.nav { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--bd); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.nav-logo { font-weight: 700; font-size: 15px; letter-spacing: -.02em; color: var(--fg); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-link { font-size: 12px; color: var(--fg2); padding: 4px 8px; border-radius: var(--radius-sm); transition: color .15s; }
.nav-link:hover { color: var(--fg); }
@media (max-width: 600px) {
  .nav-link { display: none; }
}

/* ---- Buttons ---- */
.btn-primary { display: inline-block; background: var(--accent); color: #fff; font-family: var(--ff); font-size: 13px; font-weight: 600; padding: 10px 20px; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: background .15s; }
.btn-primary:hover { background: var(--accent-h); color: #fff; }
.btn-ghost { background: none; border: 1px solid var(--bd); color: var(--fg2); font-family: var(--ff); font-size: 13px; padding: 7px 13px; border-radius: var(--radius-sm); cursor: pointer; transition: border-color .15s, color .15s; }
.btn-ghost:hover { border-color: var(--bd2); color: var(--fg); }
.btn-ghost-sm { display: inline-block; font-size: 12px; color: var(--fg3); border-bottom: 1px solid transparent; }
.btn-ghost-sm:hover { color: var(--fg2); border-bottom-color: var(--fg3); }
.copy-btn { background: var(--bg3); border: 1px solid var(--bd); color: var(--fg2); font-family: var(--ff); font-size: 11px; padding: 4px 10px; border-radius: var(--radius-sm); cursor: pointer; white-space: nowrap; transition: background .1s; flex-shrink: 0; }
.copy-btn:hover { background: var(--bd2); color: var(--fg); }
.copy-btn:disabled { opacity: .5; cursor: default; }

/* ---- Badge ---- */
.badge { display: inline-flex; align-items: center; gap: 7px; background: rgba(79,142,247,.08); border: 1px solid rgba(79,142,247,.2); color: var(--accent); font-size: 11px; padding: 5px 12px; border-radius: 99px; margin-bottom: 24px; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ---- Hero ---- */
.hero { padding: 72px 0 56px; }
.hero-inner { text-align: center; }
.hero-title {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin: 0 auto 18px;
  max-width: 28ch;
  text-wrap: balance;
}
.hero-title .ht-assertion { color: var(--fg); display: inline; }
.hero-title .ht-condition { color: var(--fg2); font-weight: 500; display: inline; }
.hero-title em { font-style: italic; color: var(--fg); font-weight: 500; }
.hero-sub { color: var(--fg2); font-size: 15px; max-width: 560px; margin: 0 auto 32px; line-height: 1.7; }
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hero-code-wrap { width: 100%; max-width: 560px; }
.hero-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 28px; }
.hero-chip { font-size: 11px; color: var(--fg2); background: var(--bg2); border: 1px solid var(--bd); border-radius: 99px; padding: 4px 12px; }
.hero-scroll-link { display: inline-block; margin-top: 20px; font-size: 12px; color: var(--fg3); border-bottom: 1px solid transparent; transition: color .15s, border-color .15s; }
.hero-scroll-link:hover { color: var(--fg2); border-bottom-color: var(--fg3); }

/* ---- Code blocks ---- */
.code-block { display: flex; align-items: center; gap: 10px; background: var(--bg2); border: 1px solid var(--bd); border-radius: var(--radius-sm); padding: 10px 14px; overflow-x: auto; }
.code-block code { flex: 1; font-family: var(--ff); font-size: 12px; color: var(--fg); white-space: nowrap; }

/* ---- Install helpers ---- */
.install-label { font-size: 11px; color: var(--fg3); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 8px; }
.install-secondary { font-size: 12px; color: var(--fg3); margin-top: 12px; }
.callout { background: rgba(247,201,72,.07); border: 1px solid rgba(247,201,72,.2); border-radius: var(--radius-sm); padding: 12px 16px; font-size: 12px; color: var(--fg2); margin-top: 14px; line-height: 1.6; }
kbd { background: var(--bg3); border: 1px solid var(--bd2); border-radius: 4px; padding: 1px 5px; font-family: var(--ff); font-size: 11px; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--bd); margin-bottom: 24px; }
.tab { background: none; border: none; border-bottom: 2px solid transparent; color: var(--fg2); font-family: var(--ff); font-size: 13px; padding: 8px 16px; cursor: pointer; transition: color .15s, border-color .15s; margin-bottom: -1px; }
.tab:hover { color: var(--fg); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.linux-tabs { display: flex; gap: 4px; margin-bottom: 14px; }
.linux-tab { background: var(--bg2); border: 1px solid var(--bd); color: var(--fg2); font-family: var(--ff); font-size: 12px; padding: 5px 14px; border-radius: var(--radius-sm); cursor: pointer; }
.linux-tab.active { background: var(--bg3); border-color: var(--accent); color: var(--accent); }
.tab-panel { animation: fadeIn .15s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(4px)} to{opacity:1;transform:none} }

/* ---- Verify ---- */
.verify-block { margin-top: 32px; border: 1px solid var(--bd); border-radius: var(--radius); overflow: hidden; }
.verify-summary { padding: 12px 16px; font-size: 13px; color: var(--fg2); cursor: pointer; list-style: none; user-select: none; }
.verify-summary::-webkit-details-marker { display: none; }
.verify-summary::before { content: '▶ '; font-size: 10px; }
details[open] .verify-summary::before { content: '▼ '; }
.verify-body { padding: 16px; border-top: 1px solid var(--bd); display: flex; flex-direction: column; gap: 12px; }
.verify-label { font-size: 12px; color: var(--fg2); }
.verify-body code { font-family: var(--ff); font-size: 12px; }

/* ---- Sections ---- */
.section { padding: 64px 0; }
.section-alt { background: var(--bg2); border-top: 1px solid var(--bd); border-bottom: 1px solid var(--bd); }
.section-title { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: 8px; }
.section-sub { color: var(--fg2); font-size: 14px; margin-bottom: 36px; }

/* ---- Why grid ---- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.why-card { background: var(--bg); border: 1px solid var(--bd); border-radius: var(--radius); padding: 20px; }
.why-icon { font-size: 1.4rem; margin-bottom: 10px; }
.why-card h3 { font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.why-card p { font-size: 12px; color: var(--fg2); line-height: 1.65; }

/* ---- How it works — showcase ---- */
.showcase { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; margin-top: 40px; align-items: start; }

.showcase-steps { display: flex; flex-direction: column; gap: 4px; }

.showcase-step { all: unset; box-sizing: border-box; width: 100%; cursor: pointer; display: flex; align-items: flex-start; gap: 14px; padding: 16px; border-radius: var(--radius); border: 1px solid transparent; transition: background .2s, border-color .2s; position: relative; overflow: hidden; }
.showcase-step:hover { background: var(--bg2); }
.showcase-step--active { background: var(--bg2); border-color: var(--bd); }

.showcase-step-text { display: flex; flex-direction: column; gap: 5px; }

.how-num { width: 32px; height: 32px; border-radius: 50%; background: rgba(79,142,247,.12); border: 1px solid rgba(79,142,247,.25); color: var(--accent); font-size: 14px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.how-title { font-size: 13px; font-weight: 700; color: var(--fg); }
.how-body { font-size: 12px; color: var(--fg2); line-height: 1.7; }

.showcase-progress { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--bd); display: none; }
.showcase-step--active .showcase-progress { display: block; }
.showcase-progress-bar { height: 100%; width: 0%; background: var(--accent); transition: width linear; }

.showcase-screen { position: sticky; top: 80px; }
.showcase-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--bd); background: var(--bg2); box-shadow: 0 8px 32px rgba(0,0,0,.35); position: relative; }
.showcase-img { display: block; width: 100%; height: auto; position: absolute; top: 0; left: 0; opacity: 0; transition: opacity .4s ease; }
.showcase-img:first-child { position: relative; }
.showcase-img--active { opacity: 1; z-index: 1; }

/* ---- Persona explorer ---- */
.explorer {
  display: grid;
  grid-template-columns: 220px 1fr;
  margin-top: 28px;
  border: 1px solid var(--bd);
  border-radius: var(--radius);
  background: var(--bg2);
  overflow: hidden;
}
.explorer-rail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px;
  background: var(--bg);
  border-right: 1px solid var(--bd);
  max-height: 560px;
  overflow-y: auto;
}
.ex-rail-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg2);
  font-family: var(--ff);
  font-size: 12px;
  text-align: left;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
}
.ex-rail-btn:hover { color: var(--fg); background: var(--bg3); }
.ex-rail-btn.active { color: var(--fg); background: var(--bg3); border-color: var(--bd2); }
.ex-rail-icon { font-size: 14px; flex-shrink: 0; width: 16px; text-align: center; }
.ex-rail-label { font-size: 12px; line-height: 1.3; }

.explorer-preview { display: flex; flex-direction: column; min-width: 0; }
.explorer-head { padding: 16px 20px 12px; border-bottom: 1px solid var(--bd); }
.explorer-title { display: flex; gap: 12px; align-items: flex-start; }
.explorer-icon { font-size: 22px; line-height: 1.1; }
.explorer-label { font-size: 14px; font-weight: 700; color: var(--fg); }
.explorer-desc { font-size: 12px; color: var(--fg2); margin-top: 3px; line-height: 1.5; }

.explorer-body { padding: 24px 20px; min-height: 240px; max-height: 460px; overflow-y: auto; }
.ex-pane { font-family: var(--ff); font-size: 12px; color: var(--fg); line-height: 1.7; }

.ex-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.ex-overview-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 14px 16px;
}
.ex-overview-icon { font-size: 18px; line-height: 1; flex-shrink: 0; }
.ex-overview-count { font-size: 20px; font-weight: 700; color: var(--fg); line-height: 1; }
.ex-overview-label { font-size: 12px; color: var(--fg2); line-height: 1.3; }
.ex-overview-cta {
  margin-top: 20px;
  text-align: center;
  color: var(--fg3);
  font-size: 13px;
  line-height: 1.6;
}

.explorer-foot {
  padding: 12px 20px;
  border-top: 1px solid var(--bd);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg);
}
.explorer-counters { color: var(--fg3); font-size: 11px; }
.explorer-actions { display: flex; gap: 10px; align-items: center; }
.explorer-actions .btn-ghost { padding: 7px 12px; font-size: 12px; }
.explorer-actions .btn-primary { padding: 7px 14px; font-size: 12px; }

@media (max-width: 720px) {
  .explorer { grid-template-columns: 1fr; }
  .explorer-rail {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-bottom: 1px solid var(--bd);
    padding: 8px 10px;
  }
  .ex-rail-btn { flex-shrink: 0; white-space: nowrap; }
  .ex-rail-label { white-space: nowrap; }
  .explorer-body { max-height: 360px; }
}

/* ---- Trust bar ---- */
.trust-bar { border-top: 1px solid var(--bd); border-bottom: 1px solid var(--bd); padding: 18px 0; }
.trust-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 20px; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--fg2); }
.trust-sep { color: var(--fg3); }

/* ---- Pricing ---- */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.pricing-card { border: 1px solid var(--bd); border-radius: 14px; padding: 24px; background: var(--bg2); }
.pricing-card--pro { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pricing-title { font-size: 13px; font-weight: 600; color: var(--fg2); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 8px; }
.pricing-price { font-size: 32px; font-weight: 700; color: var(--fg); margin-bottom: 16px; }
.pricing-price-note { font-size: 13px; color: var(--fg3); font-weight: 400; }
.pricing-list { list-style: none; padding: 0; margin: 0 0 16px; font-size: 13px; color: var(--fg2); line-height: 1.8; }
.pricing-list li::before { content: "✓ "; color: var(--accent); }
@media (max-width: 600px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ---- Footer ---- */
.footer { padding: 28px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--fg3); }
.footer-links { display: flex; gap: 16px; }

/* ---- Results ---- */
.results-headline { text-align: center; margin: 40px 0 36px; }
.results-big { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700; color: var(--ok); letter-spacing: -.03em; line-height: 1; }
.results-big-label { font-size: 13px; color: var(--fg2); margin-top: 8px; }

.results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.results-card { background: var(--bg2); border: 1px solid var(--bd); border-radius: var(--radius); padding: 18px 20px; display: flex; flex-direction: column; gap: 8px; transition: border-color .15s; }
.results-card:hover { border-top-color: var(--bd2); border-right-color: var(--bd2); border-bottom-color: var(--bd2); }
.results-card--high { border-left: 3px solid var(--ok); }
.results-card--mid  { border-left: 3px solid var(--accent); }
.results-card--low  { border-left: 3px solid var(--bd2); }

.results-persona { font-size: 12px; font-weight: 700; color: var(--fg); }
.results-scores { display: flex; align-items: baseline; gap: 6px; font-size: 13px; }
.results-baseline { color: var(--fg3); }
.results-arrow { color: var(--fg3); font-size: 11px; }
.results-ccconfig { color: var(--fg); font-weight: 700; }
.results-delta { font-size: 18px; font-weight: 700; color: var(--ok); letter-spacing: -.01em; }
.results-delta--muted { color: var(--fg3); font-size: 15px; }
.results-note { margin-top: 20px; font-size: 11px; color: var(--fg3); line-height: 1.7; }

@media (max-width: 720px) {
  .results-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 440px) {
  .results-grid { grid-template-columns: 1fr; }
}

/* responsive audit (2026-04-26): all mobile breakpoints verified — hero-chips wrap fine at 375px,
   nav overflow clean at 375px, results-grid has 2-col@720px and 1-col@440px, how-grid is 1-col@600px.
   --ok and --accent not overridden in [data-theme="light"] — dark-theme values render acceptably on
   light backgrounds at these large font sizes (WCAG large-text threshold met). No fixes needed. */

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .showcase { grid-template-columns: 1fr; }
  .showcase-screen { position: static; margin-top: 24px; }
}
@media (max-width: 600px) {
  .hero { padding: 48px 0 40px; }
  .hero-title { font-size: 1.5rem; line-height: 1.3; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .trust-inner { flex-direction: column; gap: 8px; }
  .trust-sep { display: none; }
}