:root {
  --background: #080909;
  --surface: #111313;
  --text: #f5f5f0;
  --muted: #a3a49d;
  --line: rgba(255, 255, 255, 0.13);
  --yellow: #f8bd00;
  --yellow-soft: #ffd64c;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(calc(100% - 48px), var(--max-width)); margin-inline: auto; }
.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 48px), var(--max-width));
  height: 88px;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.brand { width: fit-content; font-size: 24px; font-weight: 900; letter-spacing: -0.05em; }
.brand span { color: var(--yellow); }
nav { display: flex; gap: 36px; font-size: 14px; font-weight: 700; }
nav a, .text-link { transition: color 160ms ease; }
nav a:hover, .text-link:hover { color: var(--yellow); }
.header-cta {
  justify-self: end;
  padding: 11px 16px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}
.hero { position: relative; min-height: 780px; overflow: hidden; isolation: isolate; }
.hero-image { position: absolute; z-index: -3; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.88), rgba(0,0,0,.5) 52%, rgba(0,0,0,.28)), linear-gradient(0deg, var(--background), transparent 36%);
}
.hero-content { display: flex; min-height: 780px; flex-direction: column; justify-content: center; padding-top: 88px; }
.eyebrow, .section-label { margin: 0 0 22px; color: var(--yellow); font-size: 12px; font-weight: 900; letter-spacing: .16em; }
h1, h2, h3, p { word-break: keep-all; }
h1 { max-width: 820px; margin: 0; font-size: clamp(48px, 7vw, 88px); line-height: 1.05; letter-spacing: -.065em; }
h1 em { color: var(--yellow); font-style: normal; }
.hero-copy { margin: 30px 0 0; color: #d4d4ce; font-size: clamp(17px, 2vw, 21px); line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 42px; }
.primary-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--yellow);
  color: #090909;
  font-weight: 900;
  transition: background 160ms ease, transform 160ms ease;
}
.primary-button:hover { background: var(--yellow-soft); transform: translateY(-2px); }
.primary-button.is-disabled { cursor: default; opacity: .72; }
.text-link { font-size: 14px; font-weight: 800; }
.text-link span { margin-left: 8px; color: var(--yellow); }
.hero-mark {
  position: absolute;
  right: -20px;
  bottom: -.16em;
  z-index: -1;
  margin: 0;
  color: rgba(255,255,255,.04);
  font-size: clamp(120px, 23vw, 350px);
  font-weight: 900;
  letter-spacing: -.08em;
  line-height: .8;
  user-select: none;
}
.manifesto { display: grid; grid-template-columns: .7fr 1.5fr; gap: 60px; padding-block: 128px; border-bottom: 1px solid var(--line); }
h2 { margin: 0; font-size: clamp(34px, 5vw, 58px); line-height: 1.16; letter-spacing: -.055em; }
.manifesto div > p { max-width: 720px; margin: 30px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.features { padding-block: 128px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 58px; background: var(--line); border: 1px solid var(--line); }
.feature-card { min-height: 330px; padding: 34px; background: var(--surface); }
.feature-card > span { color: var(--yellow); font-size: 12px; font-weight: 900; }
.feature-card h3 { margin: 104px 0 18px; font-size: 27px; letter-spacing: -.04em; }
.feature-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.pricing { display: grid; grid-template-columns: .85fr 1.5fr; gap: 70px; padding-block: 128px; border-top: 1px solid var(--line); }
.pricing-intro > p:last-child { margin: 28px 0 0; color: var(--muted); line-height: 1.7; }
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.price-card { display: flex; min-height: 500px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.pro-card { border-color: rgba(248,189,0,.7); background: #15140f; }
.plan-row { display: flex; align-items: center; justify-content: space-between; }
.plan-row span { padding: 5px 9px; border-radius: 999px; background: var(--yellow); color: #070707; font-size: 11px; font-weight: 900; }
.plan-name { margin: 0; color: var(--yellow); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.price { margin: 52px 0 10px; font-size: 34px; font-weight: 900; letter-spacing: -.05em; }
.annual-price { min-height: 40px; margin: 0; color: var(--muted); font-size: 13px; }
.price-card ul { display: grid; gap: 14px; margin: 36px 0; padding: 0; list-style: none; }
.price-card li { color: #d9d9d3; font-size: 14px; }
.price-card li::before { margin-right: 10px; color: var(--yellow); content: "✓"; }
.price-card .primary-button { margin-top: auto; }
.faq { padding-block: 128px; background: var(--surface); }
.faq-layout { display: grid; grid-template-columns: .8fr 1.5fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; cursor: pointer; align-items: center; justify-content: space-between; padding: 25px 0; font-size: 17px; font-weight: 800; list-style: none; }
summary::after { color: var(--yellow); content: "+"; font-size: 22px; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 40px 25px 0; color: var(--muted); line-height: 1.7; }
.site-footer { display: flex; align-items: flex-end; justify-content: space-between; padding-block: 62px; }
.footer-brand { font-size: 32px; }
.site-footer div > p:last-child, .footer-meta { color: var(--muted); font-size: 12px; }
.footer-meta { text-align: right; }
@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .manifesto, .pricing, .faq-layout { grid-template-columns: 1fr; gap: 44px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-card h3 { margin-top: 60px; }
}
@media (max-width: 640px) {
  .shell, .site-header { width: min(calc(100% - 32px), var(--max-width)); }
  .site-header { height: 72px; }
  .hero, .hero-content { min-height: 720px; }
  .hero-content { justify-content: flex-end; padding-bottom: 110px; }
  .hero-image { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.25)), linear-gradient(0deg, var(--background), rgba(0,0,0,.2) 65%); }
  h1 { font-size: 46px; }
  .hero-copy br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .text-link { text-align: center; }
  .manifesto, .features, .pricing, .faq { padding-block: 88px; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card { min-height: 450px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 34px; }
  .footer-meta { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}