/* stallpack explained — same family as stallpack: storm slate + burnt orange,
   chalk paper light / deep slate dark, scalloped stall-awning motif.
   System sans only, tabular numerals. All animation is CSS; reduced-motion
   collapses everything to the final legible state. */

:root {
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* light scheme (chalk paper) */
  --bg: #F5F3EE;
  --surface: #FDFCF9;
  --surface2: #ECE8DF;
  --ink: #29323D;
  --muted: #56616D;
  --line: #D5CFC2;
  --accent: #B54F12;
  --accent-hover: #93400E;
  --accent-text: #A34710;
  --awning: #D2601A;
  --awning2: #B54F12;
  --ok-bg: #4E7561;
  --ok-text: #355646;
  --warn-bg: #F3DDCB;
  --warn-text: #8C3D0C;
  --danger: #A03123;
  --focus: #1F5FA8;
  --bar-carried: #C8C0AF;
  --shadow: 0 10px 28px -18px rgba(41, 50, 61, 0.45);
}

[data-theme="dark"] {
  --bg: #1E2630;
  --surface: #323C49;
  --surface2: #28313D;
  --ink: #EDEAE3;
  --muted: #AAB4BF;
  --line: #46525F;
  --accent: #B54F12;
  --accent-hover: #C4520F;
  --accent-text: #F09355;
  --awning: #D2601A;
  --awning2: #A34710;
  --ok-bg: #3E5D4E;
  --ok-text: #9CC4AC;
  --warn-bg: #4A3325;
  --warn-text: #F0A26B;
  --danger: #F49B89;
  --focus: #7DB3E8;
  --bar-carried: #4A5666;
  --shadow: 0 10px 28px -18px rgba(0, 0, 0, 0.7);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #1E2630;
    --surface: #323C49;
    --surface2: #28313D;
    --ink: #EDEAE3;
    --muted: #AAB4BF;
    --line: #46525F;
    --accent: #B54F12;
    --accent-hover: #C4520F;
    --accent-text: #F09355;
    --awning: #D2601A;
    --awning2: #A34710;
    --ok-bg: #3E5D4E;
    --ok-text: #9CC4AC;
    --warn-bg: #4A3325;
    --warn-text: #F0A26B;
    --danger: #F49B89;
    --focus: #7DB3E8;
    --bar-carried: #4A5666;
    --shadow: 0 10px 28px -18px rgba(0, 0, 0, 0.7);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
}

.num, output { font-variant-numeric: tabular-nums; }
code, pre { font-family: var(--mono); font-size: 0.92em; }

/* ---------- skip link + focus ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  z-index: 20;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ---------- the awning motif ---------- */
.awning {
  height: 26px;
  background: repeating-linear-gradient(90deg,
    var(--awning) 0 34px, var(--awning2) 34px 68px);
}
.awning-edge {
  height: 13px;
  background-image: radial-gradient(circle at 50% 0, var(--awning) 67%, transparent 69%);
  background-size: 34px 13px;
  background-repeat: repeat-x;
}

.scallop-divider {
  display: block;
  height: 9px;
  margin-bottom: 0.6rem;
  background-image: radial-gradient(circle at 50% 0, var(--awning) 64%, transparent 67%);
  background-size: 22px 9px;
  background-repeat: repeat-x;
  max-width: 132px;
}
.awning-mini {
  height: 9px;
  max-width: 132px;
  margin-bottom: 1rem;
  background-image: radial-gradient(circle at 50% 0, var(--awning) 64%, transparent 67%);
  background-size: 22px 9px;
  background-repeat: repeat-x;
}

/* ---------- hero ---------- */
.hero { background: var(--surface2); border-bottom: 1px solid var(--line); }
.hero-inner {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.6rem 1.25rem 2.6rem;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand-mark { width: 44px; height: 44px; border-radius: 10px; }
.brand-name { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }
.brand-name em {
  font-style: normal;
  font-weight: 650;
  color: var(--accent-text);
}

.theme-toggle {
  font: inherit;
  font-weight: 650;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle-icon { color: var(--accent-text); }

h1 {
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 1rem;
  max-width: 46ch;
}
.lede {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 1.5rem;
}
.lede strong { color: var(--ink); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.4rem; }

.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.75rem 1.3rem;
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-text); }
.btn-big { font-size: 1.15rem; padding: 0.95rem 1.8rem; }

.hero-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}
.hero-chips li {
  border: 1.5px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.86rem;
  font-weight: 650;
}

/* hero entrance (JS adds .js to <html>; without JS everything is static) */
.js .hero h1,
.js .hero .lede,
.js .hero .hero-actions,
.js .hero .hero-chips { animation: fadeUp 0.7s ease-out both; }
.js .hero .lede { animation-delay: 0.12s; }
.js .hero .hero-actions { animation-delay: 0.24s; }
.js .hero .hero-chips { animation-delay: 0.36s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ---------- sections ---------- */
.section { padding: 3.2rem 0; }
.section-alt { background: var(--surface2); border-block: 1px solid var(--line); }
.section-inner { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }
h2 {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  letter-spacing: -0.02em;
  line-height: 1.22;
  margin: 0 0 0.9rem;
}
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
.section-lede { color: var(--muted); max-width: 62ch; margin: 0 0 2rem; }
.prose { max-width: 66ch; }
.prose p { margin: 0 0 1rem; }

/* ---------- stages (the animated walkthrough) ---------- */
.stage {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 2rem;
  align-items: center;
  padding: 1.8rem 0;
  border-bottom: 1px dashed var(--line);
}
.stage:last-child { border-bottom: none; }
.stage-copy p { margin: 0 0 0.7rem; color: var(--muted); max-width: 50ch; }
.stage-copy h3 { color: var(--ink); }
.stage-copy p em, .stage-copy p strong { color: var(--ink); }
.stage-kicker {
  font-size: 0.82rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent-text);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.stage-num {
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.stage-fig {
  margin: 0;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.25rem 1.25rem;
  box-shadow: var(--shadow);
}
.fig-title {
  font-weight: 750;
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.legend { font-size: 0.78rem; font-weight: 600; color: var(--muted); white-space: nowrap; }
.sw {
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  border-radius: 3px;
  margin: 0 0.25em 0 0.6em;
  vertical-align: baseline;
}
.sw-carried { background: var(--bar-carried); }
.sw-returned { background: var(--muted); }
.sw-sold { background: var(--awning); }

.tally-rows { display: grid; gap: 0.7rem; }
.trow {
  display: grid;
  grid-template-columns: minmax(7.5rem, 2fr) minmax(0, 3fr) auto;
  align-items: center;
  gap: 0.8rem;
  min-height: 1.6rem;
}
.tname { font-weight: 650; font-size: 0.92rem; }
.tname small { color: var(--muted); font-weight: 600; }
.tnum { font-size: 0.95rem; text-align: right; white-space: nowrap; }
.tnum small { color: var(--muted); }
.tnum .big { font-size: 1.2rem; }

.tbar {
  position: relative;
  height: 1.05rem;
  border-radius: 6px;
  background: var(--surface2);
  overflow: hidden;
}
.bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w, 0%);
  left: var(--l, 0%);
  border-radius: 6px;
  transform-origin: left center;
}
.bar-carried { background: var(--bar-carried); }
.bar-returned { background: var(--muted); }
.bar-returned.dim { opacity: 0.45; }
.bar-sold {
  background: repeating-linear-gradient(135deg,
    var(--awning) 0 8px, var(--awning2) 8px 16px);
}

/* width / offset utility classes (CSP forbids inline style attributes) */
.w100 { --w: 100%; } .w80 { --w: 80%; } .w60 { --w: 60%; }
.w50 { --w: 50%; } .w40 { --w: 40%; } .w33 { --w: 33%; } .w30 { --w: 30%; }
.l40 { --l: 40%; } .l30 { --l: 30%; }

.trow-total {
  border-top: 1.5px solid var(--line);
  padding-top: 0.7rem;
  margin-top: 0.2rem;
}

/* stage reveal animation: bars grow, rows fade, staggered s1..s5 */
.js .anim .trow, .js .anim .srow, .js .anim .verdict, .js .anim .verdict-caption {
  opacity: 0;
}
.js .anim.in .trow, .js .anim.in .srow, .js .anim.in .verdict, .js .anim.in .verdict-caption {
  animation: fadeUp 0.55s ease-out both;
}
.js .anim.in .bar { animation: growBar 0.9s cubic-bezier(0.22, 0.9, 0.3, 1) both; }
.js .anim.in .s1, .js .anim.in .s1 .bar { animation-delay: 0.05s; }
.js .anim.in .s2, .js .anim.in .s2 .bar { animation-delay: 0.2s; }
.js .anim.in .s3, .js .anim.in .s3 .bar { animation-delay: 0.35s; }
.js .anim.in .s4 { animation-delay: 0.55s; }
.js .anim.in .s5 { animation-delay: 0.75s; }

@keyframes growBar {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ---------- day sheet + verdict ---------- */
.sheet { display: grid; gap: 0.55rem; }
.srow {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
}
.srow .num { font-weight: 700; }
.verdict {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: var(--warn-bg);
  border: 2px solid var(--awning);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  margin-top: 0.3rem;
}
.verdict-flag {
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--warn-text);
}
.verdict-amt { font-weight: 800; font-size: 1.15rem; color: var(--warn-text); }
.verdict-caption { font-size: 0.85rem; color: var(--muted); margin: 0.4rem 0 0; }
.verdict-caption strong { color: var(--ink); }

/* ---------- live demo ---------- */
.card {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
}
.demo { max-width: 46rem; }
.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 1rem 1.4rem;
  margin-bottom: 1.2rem;
}
.demo-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.stepper {
  display: grid;
  grid-template-columns: 2.4rem 1fr 2.4rem;
  align-items: stretch;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface2);
}
.stepper output {
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--surface);
}
.step-btn {
  font: inherit;
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
  border: none;
  background: var(--surface2);
  color: var(--accent-text);
  cursor: pointer;
  padding: 0.55rem 0;
}
.step-btn:hover { background: var(--accent); color: #fff; }
.demo-field input {
  width: 100%;
  font: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}
.demo-field input:focus { border-color: var(--accent); outline-offset: 1px; }
.demo-field input[aria-invalid="true"] { border-color: var(--danger); }

.demo-out { border-top: 1.5px solid var(--line); padding-top: 1rem; }
.demo-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.3rem 0;
  font-size: 1rem;
}
.demo-line strong { font-size: 1.1rem; }
.demo-verdict {
  margin-top: 0.4rem;
  background: var(--warn-bg);
  border: 2px solid var(--awning);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
}
.demo-verdict span { font-weight: 750; color: var(--warn-text); }
.demo-verdict strong { color: var(--warn-text); }
.demo-verdict.is-over { background: var(--warn-bg); border-color: var(--awning); }
.demo-verdict.is-match { background: var(--surface2); border-color: var(--ok-bg); }
.demo-verdict.is-match span, .demo-verdict.is-match strong { color: var(--ok-text); }
.demo-note { font-size: 0.85rem; color: var(--muted); margin: 0.7rem 0 0; }

/* ---------- privacy ---------- */
.privacy-wrap {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: 2.2rem;
  align-items: start;
}
.privacy-fig {
  margin: 0;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 14px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.privacy-fig svg { width: 100%; height: auto; display: block; }
.svg-label { font: 750 17px var(--sans); fill: var(--ink); }
.svg-small { font: 600 13px var(--mono); fill: var(--muted); }
.svg-strong { fill: var(--ink); font-weight: 750; }
.fig-caption { font-size: 0.85rem; color: var(--muted); margin-top: 0.8rem; }

/* the attempted request: dot travels, hits the wall, X flashes — loops */
.js .privacy-fig.in .req-dot { animation: reqDot 3.2s ease-in infinite; }
.js .privacy-fig.in .req-line { animation: reqLine 3.2s linear infinite; }
.js .privacy-fig.in .blocked-x { animation: blockedX 3.2s linear infinite; }
@keyframes reqDot {
  0% { transform: translateX(-132px); opacity: 0; }
  12% { opacity: 1; }
  55% { transform: translateX(0); opacity: 1; }
  62% { transform: translateX(-10px); }
  70% { transform: translateX(-4px); opacity: 1; }
  86% { opacity: 0; transform: translateX(-4px); }
  100% { opacity: 0; transform: translateX(-132px); }
}
@keyframes reqLine {
  from { stroke-dashoffset: 36; }
  to { stroke-dashoffset: 0; }
}
@keyframes blockedX {
  0%, 48% { opacity: 0; }
  56%, 88% { opacity: 1; }
  96%, 100% { opacity: 0; }
}

.csp-block {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-left: 5px solid var(--awning);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  overflow-x: auto;
  margin: 0.8rem 0 1.2rem;
}
.csp-block strong { color: var(--accent-text); }
.check-list { padding-left: 1.2rem; margin: 0 0 1rem; }
.check-list li { margin-bottom: 0.6rem; }
.fineprint { font-size: 0.88rem; color: var(--muted); }

/* ---------- features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.1rem;
}
.feat h3 { color: var(--accent-text); font-size: 1.02rem; }
.feat p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.js .feat { opacity: 0; }
.js .in .feat, .js .feat.in { animation: fadeUp 0.55s ease-out both; }
.js .feat:nth-child(2) { animation-delay: 0.08s; }
.js .feat:nth-child(3) { animation-delay: 0.16s; }
.js .feat:nth-child(4) { animation-delay: 0.24s; }
.js .feat:nth-child(5) { animation-delay: 0.32s; }
.js .feat:nth-child(6) { animation-delay: 0.4s; }

/* ---------- honest limits ---------- */
.limits-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  max-width: 66ch;
}
.limits-list li {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-left: 5px solid var(--awning);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}
.limits-list li strong { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq-item {
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  margin-bottom: 0.7rem;
  max-width: 46rem;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.85rem 1.1rem;
}
.faq-item summary:hover { color: var(--accent-text); }
.faq-item p { margin: 0; padding: 0 1.1rem 1rem; color: var(--muted); }
.faq-item p code { color: var(--ink); }

/* ---------- CTA ---------- */
.cta-section {
  background: var(--surface2);
  border-block: 1px solid var(--line);
  text-align: center;
}
.cta-inner { max-width: 44rem; }
.cta-inner p { color: var(--muted); margin: 0 0 1.4rem; }
.cta-sub { margin-top: 1.2rem; font-size: 0.9rem; }
.cta-sub a { color: var(--accent-text); }

/* ---------- footer ---------- */
.site-footer {
  padding: 2.4rem 0 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer p { max-width: 70ch; margin: 0 0 0.8rem; }
.site-footer a { color: var(--accent-text); }
.site-footer code { color: var(--ink); }

a { color: var(--accent-text); }
.btn-primary { color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .stage, .privacy-wrap { grid-template-columns: 1fr; gap: 1.2rem; }
  .stage-fig { order: 2; }
  .trow { grid-template-columns: minmax(6rem, 1.4fr) minmax(0, 2fr) auto; gap: 0.5rem; }
  .section { padding: 2.4rem 0; }
}

/* ---------- print ---------- */
@media print {
  .awning, .awning-edge, .theme-toggle, .hero-actions, .cta-section, .skip-link { display: none; }
  body { background: #fff; color: #000; }
  .section { padding: 1rem 0; }
  .stage-fig, .card, .privacy-fig, .faq-item, .limits-list li { box-shadow: none; }
  a::after { content: " (" attr(href) ")"; font-size: 0.8em; }
}