/* ─── Reset & base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #0d0d0d;
  --bg-2:    #111111;
  --bg-3:    #161616;
  --border:  #252525;
  --text:    #c9c9c9;
  --dim:     #505050;
  --g:       #00ff88;
  --a:       #f0a500;
  --r:       #ff4444;
  --b:       #4da6ff;
  --p:       #c792ea;
  --s:       #c3e88d;
  --font:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
  --nav-h:   44px;
  --max-w:   880px;
  --pad-x:   32px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ─── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar            { width: 5px; height: 5px; }
::-webkit-scrollbar-track      { background: var(--bg); }
::-webkit-scrollbar-thumb      { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover{ background: #333; }
::selection { background: rgba(0,255,136,.15); color: var(--g); }

/* ─── Topbar ────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,10,.92);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 200;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.topbar-left  { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-right { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.traffic-lights { display: flex; gap: 6px; flex-shrink: 0; }
.tl { width: 12px; height: 12px; border-radius: 50%; display: block; }
.tl-red    { background: #ff5f56; }
.tl-yellow { background: #ffbd2e; }
.tl-green  { background: #27c93f; }
.topbar-title { color: var(--dim); font-size: 12px; letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-link {
  color: var(--dim); text-decoration: none; font-size: 12px;
  display: flex; align-items: center; gap: 5px;
  transition: color .15s; white-space: nowrap;
}
.nav-link:hover { color: var(--g); }
.nav-install-btn {
  font-family: inherit; font-size: 11px; font-weight: 500;
  color: #0a0a0a; background: var(--g); border: none;
  padding: 5px 12px; border-radius: 4px; cursor: pointer;
  text-decoration: none; white-space: nowrap;
  transition: opacity .15s;
}
.nav-install-btn:hover { opacity: .85; }

/* ─── Layout ────────────────────────────────────────── */
.terminal {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 48px) var(--pad-x) 80px;
}

/* ─── Sections ──────────────────────────────────────── */
.section {
  padding: 52px 0;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s ease, transform .4s ease;
}
.section.visible { opacity: 1; transform: none; }

.divider {
  border: none; border-top: 1px solid var(--border); position: relative;
}
.divider::before {
  content: ''; position: absolute; left: 0; top: -1px;
  width: 48px; height: 1px; background: var(--g); opacity: .5;
}

/* ─── Helpers ───────────────────────────────────────── */
.spacer    { height: 28px; }
.spacer-sm { height: 12px; }
.scroll-x  { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }

/* ─── Colours ───────────────────────────────────────── */
.g   { color: var(--g); }
.a   { color: var(--a); }
.r   { color: var(--r); }
.dim { color: var(--dim); }
.s   { color: var(--s); }
.kw  { color: var(--b); }
.fn  { color: var(--p); }
.cmt { color: #4a6272; }

/* ─── Prompt line ───────────────────────────────────── */
.prompt-line { color: var(--text); line-height: 1.6; }
.ps1         { color: var(--g); margin-right: 8px; user-select: none; }
.flag-arg    { color: var(--a); }
.arg         { color: var(--s); }

/* ─── ASCII logo ────────────────────────────────────── */
.ascii-logo {
  font-size: clamp(9px, 2vw, 14px);
  line-height: 1.2; white-space: pre;
  user-select: none; overflow: hidden;
}
.version { font-size: 12px; margin-top: 10px; }

/* ─── Hero headline ─────────────────────────────────── */
.tagline {
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 700; line-height: 1.3; color: #e8e8e8;
}
.dim-h1  { color: var(--dim); font-weight: 400; }
.subtext { font-size: 14px; color: #777; line-height: 1.85; margin-top: 10px; }

/* ─── Install row ───────────────────────────────────── */
.install-row {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 16px; font-size: 15px;
  max-width: 100%; flex-wrap: wrap;
}
.install-row-lg { font-size: 18px; padding: 12px 20px; }
.install-cmd    { color: var(--text); font-family: var(--font); background: none; word-break: break-all; }

.copy-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 1px solid var(--border); color: var(--dim);
  font-family: var(--font); font-size: 12px; padding: 4px 10px;
  border-radius: 4px; cursor: pointer; flex-shrink: 0;
  touch-action: manipulation; transition: border-color .15s, color .15s;
}
.copy-btn:hover, .copy-btn.copied { border-color: var(--g); color: var(--g); }

.cursor-blink { color: var(--g); animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ─── Buttons ───────────────────────────────────────── */
.cta-row, .footer-cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--g); color: #000; font-family: var(--font);
  font-size: 13px; font-weight: 700; padding: 10px 20px;
  border-radius: 5px; text-decoration: none; touch-action: manipulation;
  transition: opacity .15s, transform .12s;
}
.btn-primary:hover { opacity: .85; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 5px;
  border: 1px solid var(--border); color: var(--dim); font-family: var(--font);
  font-size: 13px; padding: 10px 20px; border-radius: 5px;
  text-decoration: none; touch-action: manipulation;
  transition: border-color .15s, color .15s;
}
.btn-ghost:hover { border-color: var(--g); color: var(--g); }

/* ════════════════════════════════════════════════════════
   TERMINAL WINDOWS
════════════════════════════════════════════════════════ */
.term-window {
  border: 1px solid var(--border);
  border-top: 2px solid var(--r);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}
.term-window-ok { border-top-color: var(--g); }

/* scanline overlay — purely decorative */
.term-window::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none; z-index: 5;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,.03) 3px, rgba(0,0,0,.03) 4px
  );
}

.term-titlebar {
  background: var(--bg-2); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; padding: 9px 14px;
  position: relative; z-index: 6;
}
.term-file { color: var(--dim); font-size: 11px; letter-spacing: .04em; margin-left: 4px; }

.term-body {
  padding: 16px 20px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  line-height: 1.9; position: relative; z-index: 6;
  min-height: 60px;
}

/* ─── Terminal rows ─────────────────────────────────── */
.tl-row {
  white-space: nowrap;
  min-height: 1.5em;
  /* initial hidden state — JS will reveal */
  opacity: 0;
  transform: translateX(-8px);
}

/* once revealed */
.tl-row.tl-in {
  opacity: 1 !important;
  transform: none !important;
  transition: opacity .18s ease, transform .18s ease;
}

.tl-indent   { padding-left: 22px; color: #888; }
.tl-spacer   { min-height: .6em; }

/* row flash effects — subtle, short */
.tl-row.flash-err  { animation: row-flash-err  .35s ease forwards; }
.tl-row.flash-ok   { animation: row-flash-ok   .35s ease forwards; }
.tl-row.flash-stop { animation: row-flash-ok   .4s  ease forwards; }
.tl-row.flash-save { animation: row-flash-save .5s  ease forwards; }

@keyframes row-flash-err {
  0%  { background: rgba(255,68,68,.18); }
  100%{ background: transparent; }
}
@keyframes row-flash-ok {
  0%  { background: rgba(0,255,136,.14); }
  100%{ background: transparent; }
}
@keyframes row-flash-save {
  0%  { background: rgba(0,255,136,.2); }
  100%{ background: transparent; }
}

/* ─── Command row & typewriter ──────────────────────── */
.tl-cmd { white-space: nowrap; }
.cmd-text { color: var(--text); }
.tl-cursor {
  display: inline-block;
  width: 8px; height: 1.1em;
  background: var(--g);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink .9s step-end infinite;
}

/* ─── Skip / loading separator ──────────────────────── */
.tl-skip { white-space: nowrap; padding: 4px 0; }

.skip-dots {
  display: inline-block;
  color: var(--dim);
  min-width: 24px;
}
.skip-dots.loading::after {
  content: '';
  animation: dot-cycle .8s steps(4, end) infinite;
}
@keyframes dot-cycle {
  0%  { content: ''; }
  25% { content: '·'; }
  50% { content: '··'; }
  75% { content: '···'; }
  100%{ content: '····'; }
}
.skip-text { display: inline; }

/* ─── Marker tags ───────────────────────────────────── */
.tl-marker { font-weight: 700; margin-right: 6px; }
.mk-green  { color: var(--g); }
.mk-red    { color: var(--r); }
.tl-blue   { color: var(--b); }
.tl-dim    { color: var(--dim); }

/* glow on green terminal elements */
.term-window-ok .mk-green,
.term-window-ok .g { text-shadow: 0 0 10px rgba(0,255,136,.3); }

/* ─── Blink cost number ─────────────────────────────── */
.blink-text { animation: cost-blink 1.1s step-end 4; }
@keyframes cost-blink {
  0%,100%{ color: var(--r); }
  50%    { color: var(--a); }
}

/* ════════════════════════════════════════════════════════
   HERO ANIMATIONS
════════════════════════════════════════════════════════ */

/* each hero item starts hidden; JS adds .in class sequentially */
.hero-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.hero-item.in {
  opacity: 1;
  transform: none;
}

/* ASCII logo boot — single soft power-on dip, no brightness flash */
.ascii-logo.boot {
  animation: logo-boot .6s ease forwards;
}
@keyframes logo-boot {
  0%   { opacity: 0; }
  45%  { opacity: .9; }
  52%  { opacity: .15; }
  65%  { opacity: 1; }
  100% { opacity: 1; }
}

/* ════════════════════════════════════════════════════════
   SECTION PROMPT TYPEWRITER
════════════════════════════════════════════════════════ */
.section-prompt { overflow: hidden; }
.section-prompt .prompt-chars {
  display: inline;
  white-space: nowrap;
}

/* ─── Flow diagram ──────────────────────────────────── */
.flow { font-size: 13px; line-height: 1.65; white-space: pre; color: var(--text); margin: 0; min-width: 520px; }

/* ─── Benchmark table ───────────────────────────────── */
.bench { font-size: 13px; line-height: 1.9; white-space: pre; color: var(--text); margin: 0; min-width: 520px; }
.bench-note { font-size: 12px; margin-top: 8px; }

/* ─── Per-line reveal (flow + bench) ───────────────── */
/* spans injected by animatePreLines(); inline inside <pre> */
.anim-line { opacity: 0; }

/* ─── Stats ─────────────────────────────────────────── */
.stats-row { display: flex; align-items: flex-start; flex-wrap: wrap; row-gap: 24px; }
.stat { display: flex; flex-direction: column; gap: 4px; padding-right: 40px; }
.stat-sep { color: var(--border); font-size: 28px; line-height: 1; padding-right: 40px; align-self: center; }
.stat-num   { font-size: clamp(30px, 5.5vw, 44px); font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text); line-height: 1.5; }

/* ─── Code tabs ─────────────────────────────────────── */
.tabs { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.tab-bar {
  display: flex; background: var(--bg-2); border-bottom: 1px solid var(--border);
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab {
  background: none; border: none; border-right: 1px solid var(--border);
  color: var(--dim); font-family: var(--font); font-size: 12px;
  padding: 10px 16px; cursor: pointer; white-space: nowrap; touch-action: manipulation;
  transition: color .15s, background .15s;
}
.tab:last-child { border-right: none; }
.tab:hover  { color: var(--text); background: var(--bg-3); }
.tab.active { color: var(--g); background: var(--bg); border-bottom: 1px solid var(--bg); margin-bottom: -1px; }
.tab-pane        { display: none; }
.tab-pane.active { display: block; }

/* tabs widget slide-in (JS sets initial opacity/transform inline) */
.tabs-in {
  opacity: 1 !important;
  transform: none !important;
}

/* code block reveal — fade up from slight offset */
.code {
  font-size: 13px; line-height: 1.8; padding: 20px 22px; margin: 0;
  overflow-x: auto; -webkit-overflow-scrolling: touch; color: var(--text); background: var(--bg);
}
@keyframes code-reveal-anim {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.code.code-reveal {
  animation: code-reveal-anim .35s cubic-bezier(.22,1,.36,1) forwards;
}

/* ─── Comparison table ──────────────────────────────── */
.compare-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border); border-radius: 6px;
}
.compare-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 13px; }
.compare-table thead tr { background: var(--bg-2); border-bottom: 1px solid var(--border); }
.compare-table th {
  padding: 11px 16px; text-align: center; font-weight: 500;
  color: var(--dim); letter-spacing: .04em; font-size: 12px; white-space: nowrap;
}
.compare-table th.feat-col { text-align: left; }
.compare-table th.baar-col {
  background: rgba(0,255,136,.05); color: var(--g);
  border-left: 1px solid rgba(0,255,136,.15);
  border-right: 1px solid rgba(0,255,136,.15);
}
.compare-table td {
  padding: 9px 16px; text-align: center;
  border-bottom: 1px solid var(--bg-3);
  vertical-align: middle; white-space: nowrap;
}
.compare-table td.feat-col {
  text-align: left; color: var(--text);
  white-space: normal; min-width: 200px;
}
.compare-table td.baar-col {
  background: rgba(0,255,136,.04);
  border-left: 1px solid rgba(0,255,136,.1);
  border-right: 1px solid rgba(0,255,136,.1);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr.row-group-start td {
  border-top: 1px solid var(--border); padding-top: 12px;
}
.compare-table tr.row-group-start:first-of-type td { border-top: none; }
.compare-table tbody tr:hover td       { background: rgba(255,255,255,.015); }
.compare-table tbody tr:hover td.baar-col { background: rgba(0,255,136,.06); }

/* row stagger — starts invisible, JS adds row-in after section is visible */
.compare-table tbody tr {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease;
}
.compare-table tbody tr.row-in {
  opacity: 1; transform: none;
}

.check   { color: var(--g); font-size: 15px; font-weight: 700; }
.cross   { color: #333;     font-size: 15px; }
.neutral { color: var(--dim); font-size: 12px; }

.tag-badge {
  background: rgba(255,68,68,.1); color: var(--r);
  border: 1px solid rgba(255,68,68,.2); font-size: 10px;
  padding: 1px 5px; border-radius: 3px; margin-left: 6px;
  vertical-align: middle; white-space: nowrap;
}
.tag-note { color: var(--dim); font-size: 11px; margin-left: 4px; }
.compare-verdict { font-size: 13px; color: #666; line-height: 1.7; margin-top: 12px; }

/* ─── Feature flags ─────────────────────────────────── */
.flags { display: flex; flex-direction: column; }
.flag-row {
  display: flex; gap: 16px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--bg-3); flex-wrap: wrap;
  opacity: 0; transform: translateY(8px);
  transition: opacity .28s ease, transform .28s ease;
}
.flag-row.flag-in { opacity: 1; transform: none; }

.flag-name { min-width: 190px; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.flag-desc { color: #777; font-size: 13px; line-height: 1.55; flex: 1; min-width: 180px; }
.flag-desc code {
  background: var(--bg-3); border: 1px solid var(--border); padding: 1px 6px;
  border-radius: 3px; font-size: 11px; color: var(--a); font-family: var(--font);
}

/* ─── Footer ────────────────────────────────────────── */
.footer-section { padding-bottom: 72px; }
.footer-meta    { font-size: 12px; margin-top: 6px; }
.footer-badges  { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.dim-link {
  color: var(--dim); text-decoration: none; border-bottom: 1px solid var(--border);
}
.dim-link:hover { color: var(--g); border-bottom-color: var(--g); }
.ph-banner {
  display: flex; justify-content: center; align-items: center; gap: 16px;
  padding: 6px 20px; background: #1a0a00; border-bottom: 1px solid #ff6154;
  position: sticky; top: var(--nav-h); z-index: 199;
  margin-top: var(--nav-h);
}
.ph-banner-text { font-size: 13px; color: #ffb399; }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */

/* ── Tablet ≤ 768px ─── */
@media (max-width: 768px) {
  :root { --pad-x: 20px; }
  body { font-size: 13px; }
  .ascii-logo { font-size: clamp(7px, 1.8vw, 11px); }
  .section { padding: 40px 0; }
  .stat-sep { display: none; }
  .stats-row { column-gap: 32px; row-gap: 20px; }
  .stat { padding-right: 0; }
  .flag-name { min-width: 160px; }
}

/* ── Mobile ≤ 540px ─── */
@media (max-width: 540px) {
  :root { --pad-x: 14px; }
  body { font-size: 12px; }
  .topbar-title  { display: none; }
  .nav-link-hide { display: none; }
  .ascii-logo    { font-size: 6px; line-height: 1.18; }
  .tagline       { font-size: 18px; }
  .subtext       { font-size: 12px; }
  .section       { padding: 32px 0; }
  .install-row   { font-size: 13px; padding: 9px 12px; }
  .install-row-lg{ font-size: 14px; padding: 10px 14px; }
  .term-body     { padding: 12px 14px; }
  .tl-row        { font-size: 11px; }
  .tl-indent     { padding-left: 14px; }
  .flow          { font-size: 11px; min-width: 440px; }
  .bench         { font-size: 11px; min-width: 440px; }
  .tab           { font-size: 11px; padding: 8px 12px; }
  .code          { font-size: 11px; padding: 14px 16px; }
  .compare-table     { font-size: 11px; min-width: 460px; }
  .compare-table td,
  .compare-table th  { padding: 8px 10px; }
  .compare-table td.feat-col { min-width: 150px; }
  .flag-name     { min-width: unset; width: 100%; }
  .flag-desc     { min-width: unset; }
  .btn-primary,
  .btn-ghost     { font-size: 12px; padding: 10px 16px; }
  .stats-row     { flex-direction: column; gap: 20px; }
  .stat-num      { font-size: 32px; }
}

/* ── Very small ≤ 360px ─── */
@media (max-width: 360px) {
  :root { --pad-x: 10px; }
  .ascii-logo { font-size: 5px; }
  .tl-row     { font-size: 10px; }
  .flow, .bench { font-size: 10px; }
}

/* ════════════════════════════════════════════════════════
   ACCESSIBILITY — prefers-reduced-motion
   Show everything immediately, kill all animation/transition
════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  /* Sections — always visible */
  .section,
  .hero-item              { opacity: 1 !important; transform: none !important; }

  /* Terminal rows — always visible */
  .tl-row                 { opacity: 1 !important; transform: none !important; }
  .anim-line              { opacity: 1 !important; }

  /* Compare + flags */
  .compare-table tbody tr { opacity: 1 !important; transform: none !important; }
  .flag-row               { opacity: 1 !important; transform: none !important; }

  /* Code block */
  .code.code-reveal       { animation: none !important; opacity: 1 !important; }

  /* Tabs widget */
  .tabs                   { opacity: 1 !important; transform: none !important; }

  /* Remove blinking/cycling */
  .cursor-blink,
  .tl-cursor,
  .blink-text             { animation: none !important; }
  .skip-dots.loading::after { animation: none !important; }

  /* Logo */
  .ascii-logo.boot        { animation: none !important; opacity: 1 !important; }
}