/* MinimalDocDesign — Mode C: Warm Poster (kuanyu.dev offer page).
   Ratified by Kuan 2026-07-24 from design iteration v1 (warm poster).
   Registered in ~/.claude/skills/MinimalDocDesign/DesignSystem.md as Mode C;
   tokens below are the canonical Mode C values. Single light theme (standing
   rule: customer-facing = light only). Zero external requests. */
:root {
  --palette-id: warm-poster;
  --paper: #EDE7D8;
  --paper-2: #E7E0CF;
  --ink: #181510;
  --ink-soft: #3a352b;
  --muted: #847c6a;
  --amber: #bd831a;
  --amber-deep: #a06f13;
  --line: #c9c0aa;
  --black-bar: #161310;
  --sans: "Helvetica Neue", Arial, "Segoe UI", Roboto, sans-serif;
  --display: "Archivo Black", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 64px); }
a { color: inherit; }

.display {
  font-family: var(--display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.9;
  margin: 0;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin: 0;
}

.top {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 26px 0 8px; flex-wrap: wrap;
}
.top .brand { font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; font-size: 12px; color: var(--muted); text-decoration: none; }
.top .brand b { color: var(--ink); }

.hero { padding-top: 14px; }
h1.headline { font-size: clamp(2.7rem, 12.5vw, 6.6rem); margin: 0.15em 0 0; }
h1.headline .amber { color: var(--amber); }
.lead {
  font-size: clamp(1.05rem, 3.2vw, 1.35rem);
  color: var(--ink-soft);
  max-width: 34ch;
  margin: 1.1rem 0 0;
}

.price-row {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 24px;
  margin-top: clamp(30px, 6vw, 54px); flex-wrap: wrap;
}
.price-col { min-width: min(100%, 320px); flex: 1 1 320px; }
.price-big { font-size: clamp(3.6rem, 20vw, 9rem); letter-spacing: -0.03em; line-height: 0.82; }
.price-strip {
  margin: 14px 0 0;
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); max-width: 30ch; line-height: 1.5;
}
.guarantee { margin: 20px 0 0; max-width: 46ch; }
.guarantee p { margin: 0; }
.guarantee .refund-window { color: var(--muted); font-size: 0.95rem; margin-top: 2px; }

.stamp-col { flex: 0 0 auto; display: flex; justify-content: flex-end; padding-top: 6px; }
.stamp {
  width: clamp(128px, 30vw, 168px); height: clamp(128px, 30vw, 168px);
  border: 2px solid var(--amber);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  transform: rotate(12deg);
  color: var(--amber-deep);
  font-family: var(--display);
  font-weight: 900; text-transform: uppercase;
  letter-spacing: 0.08em; line-height: 1.15;
}
.stamp .s-top { font-size: 0.86rem; letter-spacing: 0.18em; }
.stamp .s-big { font-size: 1.4rem; letter-spacing: 0.02em; margin-top: 2px; }
.stamp .s-rule { width: 44px; height: 1.5px; background: var(--amber); opacity: 0.6; margin: 6px 0; }

.cta {
  display: inline-block;
  margin-top: 26px;
  font-family: var(--display);
  font-weight: 900; text-transform: uppercase; letter-spacing: 0.02em;
  font-size: 1.05rem;
  background: var(--ink); color: var(--paper);
  text-decoration: none;
  padding: 16px 30px;
  border-radius: 2px;
}
.cta:hover { background: #000; }
.cta:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

.keep { margin: 26px 0 0; max-width: 52ch; font-size: 1.08rem; }

section { padding: clamp(40px, 7vw, 72px) 0; }
.rule-top { border-top: 2px solid var(--ink); }
h2.sec-title { font-size: clamp(1.7rem, 6vw, 3rem); margin: 0.35em 0 0; letter-spacing: -0.02em; }

.facts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  margin-top: 8px; border-top: 1px solid var(--line); padding-top: 28px;
}
.facts .k { font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--amber-deep); margin: 0 0 8px; }
.facts .v { margin: 0; font-size: 1.02rem; }

.rows { margin-top: 24px; border-top: 2px solid var(--ink); }
.row {
  display: flex; gap: 22px; align-items: baseline;
  padding: 20px 4px; border-bottom: 1px solid var(--line);
}
.row .num {
  font-family: var(--display); font-weight: 900;
  color: var(--amber); font-size: 0.95rem; letter-spacing: 0.05em; flex: 0 0 auto; min-width: 26px;
}
.row .txt { margin: 0; font-size: clamp(1.05rem, 2.6vw, 1.25rem); }
.note { margin: 26px 0 0; max-width: 60ch; color: var(--ink-soft); }

.proof-frame { margin-top: 22px; border: 1px solid var(--line); background: var(--paper-2); border-radius: 3px; padding: 14px; }
.proof-frame video { display: block; width: 100%; max-width: 760px; background: var(--paper-2); }
.proof-frame img { display: block; width: 100%; max-width: 760px; }
.caption { margin: 16px 0 0; color: var(--ink-soft); font-size: 1rem; max-width: 70ch; }

.faq { margin-top: 16px; }
.qa { border-top: 1px solid var(--line); padding: 22px 0; }
.qa:last-child { border-bottom: 1px solid var(--line); }
.qa .q {
  font-family: var(--display);
  font-weight: 900; text-transform: uppercase; letter-spacing: 0.01em;
  font-size: 1.02rem; margin: 0 0 8px;
}
.qa .a { margin: 0; max-width: 66ch; color: var(--ink-soft); }

.intro { max-width: 62ch; margin: 8px 0 0; color: var(--ink-soft); }
form { margin-top: 30px; max-width: 640px; }
.field { margin-bottom: 22px; }
.field label {
  display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 9px;
}
textarea, input[type=text] {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: #f4efe2; border: 1.5px solid var(--line); border-radius: 3px;
  padding: 14px 15px; resize: vertical;
}
textarea:focus, input[type=text]:focus { outline: none; border-color: var(--amber); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.privacy { font-size: 0.9rem; color: var(--muted); margin: 0 0 18px; }
button.cta { border: none; cursor: pointer; width: 100%; text-align: center; margin-top: 4px; font: inherit; font-family: var(--display); }
button.cta:disabled { cursor: wait; opacity: 0.55; }
.form-status { margin: 12px 0 0; font-size: 0.95rem; color: var(--ink-soft); min-height: 1.2em; }

.cta-bar {
  background: var(--black-bar); color: var(--paper);
  text-decoration: none; display: block;
  padding: clamp(26px, 5vw, 40px) clamp(24px, 5vw, 48px);
  margin: clamp(30px, 6vw, 56px) 0 0; border-radius: 3px;
}
.cta-bar .q {
  font-family: var(--display);
  font-weight: 900; text-transform: uppercase; letter-spacing: 0.005em;
  font-size: clamp(1.15rem, 3.6vw, 1.9rem); line-height: 1.12; margin: 0;
}
.cta-bar .wa {
  display: block; margin-top: 14px; color: var(--amber);
  font-weight: 900; text-transform: uppercase; letter-spacing: 0.04em;
  font-size: clamp(1.05rem, 3.2vw, 1.6rem);
  font-family: var(--display);
}
.cta-bar:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

footer {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line);
  margin-top: clamp(30px, 6vw, 56px); padding: 24px 0 44px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; gap: 22px; }
  .stamp-col { justify-content: flex-start; width: 100%; padding-top: 22px; }
  .price-row { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}