:root {
  --paper: #f4f1e8;
  --paper-deep: #e8e2d5;
  --ink: #0a2036;
  --ink-muted: #50606c;
  --line: rgba(10, 32, 54, 0.22);
  --signal: #b9ff39;
  --signal-dark: #487800;
  --amber: #f0a62e;
  --red: #e45447;
  --white: #fffef9;
  --font-sans: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: min(1180px, calc(100vw - 48px));
  --space-section: clamp(88px, 12vw, 176px);
  --shadow: 0 24px 70px rgba(10, 32, 54, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.72;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }

.site-header {
  width: var(--container);
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark { min-height: 44px; display: flex; align-items: center; gap: 12px; text-decoration: none; letter-spacing: -0.03em; }
.wordmark span { font: 800 17px/1 var(--font-mono); letter-spacing: 0.04em; }
.wordmark small { color: var(--ink-muted); font-size: 13px; }
.header-link, .text-link { min-height: 44px; display: inline-flex; align-items: center; text-underline-offset: 5px; text-decoration-thickness: 1px; font-weight: 700; }

.hero {
  width: var(--container);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 132px) 0 var(--space-section);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(44px, 7vw, 104px);
  align-items: center;
}
.eyebrow { margin: 0 0 18px; color: var(--signal-dark); font: 800 13px/1.25 var(--font-mono); letter-spacing: 0.09em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 30px; font-size: clamp(50px, 6.4vw, 94px); line-height: 1.02; letter-spacing: -0.075em; font-weight: 780; }
h1 em { color: var(--ink); font-style: normal; position: relative; z-index: 0; }
h1 em::after { content: ""; position: absolute; left: -0.02em; right: -0.03em; bottom: 0.08em; height: 0.25em; background: var(--signal); z-index: -1; transform: rotate(-1.2deg); }
h2 { margin-bottom: 30px; font-size: clamp(38px, 5vw, 68px); line-height: 1.1; letter-spacing: -0.055em; }
h3 { font-size: 20px; }
.hero-summary { max-width: 590px; color: var(--ink-muted); font-size: clamp(18px, 1.8vw, 22px); line-height: 1.7; }
.offer-line { margin: 36px 0; display: flex; flex-wrap: wrap; gap: 12px 25px; padding: 20px 0; border-block: 1px solid var(--line); font-size: 14px; }
.offer-line span { display: inline-flex; gap: 6px; }
.offer-line b { font-family: var(--font-mono); }
.primary-cta, .checkout-button {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 15px 20px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 750;
  border: 2px solid var(--ink);
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.primary-cta:hover { transform: translateY(-2px); background: var(--signal); color: var(--ink); }
.primary-cta:focus-visible, .checkout-button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
.hero-visual { margin: 0; transform: rotate(1.4deg); }
.hero-visual img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--ink); box-shadow: var(--shadow); }
.hero-visual figcaption { display: flex; gap: 14px; padding: 15px 4px 0; color: var(--ink-muted); font-size: 13px; transform: rotate(-1.4deg); }
.hero-visual figcaption span { color: var(--ink); font-family: var(--font-mono); }

.section-index { color: var(--ink-muted); font: 700 13px/1 var(--font-mono); padding-top: 12px; }
.verdict-section, .deliverable, .faq { width: var(--container); margin: 0 auto; display: grid; grid-template-columns: 80px 1fr; gap: 28px; padding-bottom: var(--space-section); }
.verdict-rail { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 64px; }
.verdict-rail::before { content: ""; position: absolute; top: 10px; left: 10px; right: 10px; height: 2px; background: linear-gradient(90deg, var(--signal-dark), var(--amber), var(--red)); }
.verdict { position: relative; padding: 52px 32px 0 0; }
.verdict-dot { position: absolute; top: 0; left: 0; width: 22px; height: 22px; border: 4px solid var(--paper); border-radius: 50%; box-shadow: 0 0 0 1px var(--ink); }
.verdict-go .verdict-dot { background: var(--signal); }
.verdict-warn .verdict-dot { background: var(--amber); }
.verdict-stop .verdict-dot { background: var(--red); }
.verdict strong { font-size: 23px; letter-spacing: -0.025em; }
.verdict p { max-width: 300px; margin: 10px 0 0; color: var(--ink-muted); font-size: 15px; }

.evidence { background: var(--ink); color: var(--white); padding: var(--space-section) max(24px, calc((100vw - 1180px) / 2)); }
.evidence .eyebrow { color: var(--signal); }
.evidence-intro { display: grid; grid-template-columns: 80px minmax(0, 700px); gap: 28px; }
.evidence-intro p:not(.eyebrow) { max-width: 660px; color: #b8c2ca; }
.text-link { color: var(--signal); }
.proof-board { margin-top: 64px; border: 1px solid rgba(255,255,255,.25); }
.proof-metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-metrics div { min-height: 146px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(255,255,255,.18); }
.proof-metrics div:last-child { border-right: 0; }
.proof-metrics span { color: #9aa8b3; font: 700 12px/1.2 var(--font-mono); }
.proof-metrics b { font: 700 clamp(34px, 4vw, 62px)/1 var(--font-mono); }
.proof-pass { background: var(--signal); color: var(--ink); }
.proof-pass span { color: var(--ink) !important; }
.table-wrap { overflow-x: auto; border-top: 1px solid rgba(255,255,255,.25); }
table { width: 100%; min-width: 720px; border-collapse: collapse; font: 14px/1.5 var(--font-mono); }
th, td { padding: 16px 20px; text-align: left; border-right: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
th { color: var(--signal); font-weight: 600; }

.deliverable { padding-top: var(--space-section); }
.deliverable-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(48px, 8vw, 120px); }
.deliverable-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.deliverable-list li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.deliverable-list li > span { font: 700 13px/1.5 var(--font-mono); color: var(--signal-dark); }
.deliverable-list strong { display: block; margin-bottom: 5px; font-size: 19px; }
.deliverable-list p { margin: 0; color: var(--ink-muted); font-size: 15px; }

.boundary { width: var(--container); margin: 0 auto var(--space-section); padding: clamp(34px, 6vw, 76px); border: 1px solid var(--ink); background: var(--white); box-shadow: 10px 10px 0 var(--paper-deep); }
.boundary-heading { max-width: 760px; }
.boundary-columns { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 8vw, 120px); margin-top: 48px; }
.boundary-columns h3 { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.boundary-columns h3 span { color: var(--signal-dark); font: 800 25px/1 var(--font-mono); }
.boundary-columns ul { margin: 0; padding: 0; list-style: none; }
.boundary-columns li { padding: 12px 0; border-bottom: 1px solid rgba(10,32,54,.1); }

.order { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 0.7fr); gap: clamp(48px, 10vw, 150px); align-items: end; background: var(--signal); padding: var(--space-section) max(24px, calc((100vw - 1180px) / 2)); }
.order-copy p:not(.eyebrow) { max-width: 650px; }
.order-panel { padding: clamp(28px, 4vw, 46px); background: var(--ink); color: var(--white); }
.price { display: flex; justify-content: space-between; align-items: end; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.25); }
.price span { color: #b8c2ca; }
.price strong { font: 750 clamp(36px, 4vw, 58px)/1 var(--font-mono); letter-spacing: -0.06em; }
.price small { margin-left: 5px; font: 700 15px/1 var(--font-sans); }
.order-panel ul { padding-left: 1.2em; margin: 26px 0; color: #d7dde2; font-size: 15px; }
.checkout-button { width: 100%; background: #34475a; border-color: #526478; color: #c1cad1; cursor: not-allowed; justify-content: center; }
.checkout-button.is-ready, .checkout-button[data-checkout-url]:not([data-checkout-url=""]) { background: var(--amber); border-color: var(--amber); color: var(--ink); cursor: pointer; }
.checkout-button.is-ready:hover, .checkout-button[data-checkout-url]:not([data-checkout-url=""]):hover { background: #ffd56a; border-color: #ffd56a; }
.checkout-note { margin: 12px 0 0; color: #9aa8b3; font-size: 12px; text-align: center; }

.faq { padding-top: var(--space-section); }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { padding: 22px 46px 22px 0; cursor: pointer; font-weight: 740; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 400 27px/1 var(--font-mono); }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 780px; padding: 0 40px 22px 0; color: var(--ink-muted); }
footer { width: var(--container); margin: 0 auto; min-height: 110px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 32px; color: var(--ink-muted); font-size: 12px; }
footer span:first-child { color: var(--ink); font-family: var(--font-mono); }

.reveal { animation: rise 650ms cubic-bezier(.2,.7,.2,1) both; }
.delay-1 { animation-delay: 120ms; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 860px) {
  :root { --container: min(100% - 36px, 720px); }
  .site-header { min-height: 72px; }
  .hero { grid-template-columns: 1fr; padding-top: 58px; }
  .hero-visual { width: min(100%, 650px); justify-self: center; }
  .verdict-section, .deliverable, .faq { grid-template-columns: 42px 1fr; gap: 12px; }
  .deliverable-grid, .order { grid-template-columns: 1fr; }
  .proof-metrics { grid-template-columns: 1fr 1fr; }
  .proof-metrics div:nth-child(2) { border-right: 0; }
  .proof-metrics div { border-bottom: 1px solid rgba(255,255,255,.18); }
  .boundary-columns { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  :root { --container: calc(100% - 28px); --space-section: 82px; }
  body { font-size: 16px; }
  .wordmark small, .header-link { font-size: 12px; }
  .hero { padding-top: 48px; gap: 46px; }
  h1 { font-size: clamp(42px, 14vw, 62px); }
  h2 { font-size: clamp(34px, 10vw, 48px); }
  .offer-line { display: grid; gap: 9px; }
  .primary-cta { width: 100%; }
  .verdict-section, .deliverable, .faq, .evidence-intro { grid-template-columns: 1fr; }
  .section-index { padding: 0 0 10px; }
  .verdict-rail { grid-template-columns: 1fr; margin-top: 42px; padding-left: 6px; }
  .verdict-rail::before { top: 10px; left: 15px; right: auto; bottom: 10px; width: 2px; height: auto; background: linear-gradient(180deg, var(--signal-dark), var(--amber), var(--red)); }
  .verdict { padding: 0 0 38px 54px; }
  .verdict-dot { left: 4px; }
  .proof-metrics { grid-template-columns: 1fr 1fr; }
  .proof-metrics div { min-height: 116px; padding: 18px; }
  .boundary { padding: 30px 22px; box-shadow: 6px 6px 0 var(--paper-deep); }
  .order { padding-left: 14px; padding-right: 14px; }
  .price { align-items: flex-start; flex-direction: column; }
  footer { padding: 28px 0; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}