/* 랜딩 전용. 섹션마다 레이아웃 계열을 바꾼다:
   히어로(비대칭 분할) → 통증(원장 행) → 3단계(수평) → 신뢰(벤토) → 가격(표) → FAQ(아코디언) → CTA(전폭) */

.eyebrow {
  font-size: .78rem; font-weight: 600; letter-spacing: .01em;
  color: var(--accent); margin: 0 0 14px;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.nav.stuck { border-bottom-color: var(--line); }
.nav-in { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 680; letter-spacing: -.02em; text-decoration: none; font-size: 1.02rem; }
.brand svg { color: var(--accent); }
.nav-links { display: flex; gap: 26px; }
.nav-links a { text-decoration: none; font-size: .9rem; color: var(--ink-2); font-weight: 520; }
.nav-links a:hover { color: var(--ink); }
@media (max-width: 900px) { .nav-links { display: none; } }
@media (max-width: 520px) { .nav-right .seg button { padding: 6px 10px; font-size: .75rem; } }

/* ---------- hero ---------- */
.hero { padding: clamp(40px, 6vw, 76px) 0 clamp(48px, 6vw, 84px); }
.hero-in { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero-copy h1 { margin-bottom: 20px; }
.lede { font-size: clamp(1rem, 1.5vw, 1.14rem); color: var(--ink-2); max-width: 42ch; }
.hero-cta { margin-top: 28px; }
@media (max-width: 940px) { .hero-in { grid-template-columns: 1fr; } .lede { max-width: none; } }

/* 실제 추출 엔진이 도는 데모 패널. 목업 스크린샷이 아니다. */
.hero-demo {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.demo-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 13px 16px; border-bottom: 1px solid var(--line); background: var(--surface-2);
}
#demo-input {
  border: 0; border-radius: 0; background: var(--surface);
  min-height: 128px; max-height: 168px; padding: 14px 16px; font-size: .78rem; line-height: 1.65;
}
#demo-input:focus { box-shadow: none; border: 0; outline: 2px solid var(--accent); outline-offset: -2px; }
.demo-out { border-top: 1px solid var(--line); max-height: 268px; overflow-y: auto; }
.demo-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px 12px; align-items: baseline;
  padding: 11px 16px; border-bottom: 1px solid var(--line);
}
.demo-row:last-child { border-bottom: 0; }
.demo-date { font-family: var(--mono); font-size: .8rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.demo-date.none { color: var(--ink-3); font-weight: 400; }
.demo-main { min-width: 0; }
.demo-type { font-size: .88rem; font-weight: 560; }
.demo-src { font-size: .74rem; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-foot { padding: 11px 16px; border-top: 1px solid var(--line); background: var(--surface-2); margin: 0; }

/* ---------- 섹션 ---------- */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.section h2 { margin-bottom: 34px; }

/* ---------- pain: 원장 행 ---------- */
.ledger { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.ledger li { display: grid; grid-template-columns: 60px 1fr; gap: 18px; padding: 26px 0; border-top: 1px solid var(--line); }
.ledger li:last-child { border-bottom: 1px solid var(--line); }
.ledger-n { font-size: 1.5rem; font-weight: 300; color: var(--line-strong); line-height: 1.2; }
.ledger h3 { margin-bottom: 7px; }
.ledger p { max-width: 62ch; }
@media (max-width: 640px) { .ledger li { grid-template-columns: 1fr; gap: 6px; } .ledger-n { font-size: 1rem; } }

/* ---------- how: 수평 3단계 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--surface); }
.step { padding: 26px 24px; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step h3 { margin-bottom: 8px; }
.step p { max-width: 34ch; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } .step { border-right: 0; border-bottom: 1px solid var(--line); } .step:last-child { border-bottom: 0; } }

/* ---------- trust: 벤토 4셀 ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.bento-cell { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px; grid-column: span 3; }
.bento-cell h3 { margin-bottom: 9px; }
.bento-wide { grid-column: span 6; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 32px; align-items: center; }
.bento-wide h3 { grid-column: 1; margin-bottom: 0; }
.bento-wide p { grid-column: 1; grid-row: 2; max-width: 52ch; }
.bento-quote { background: var(--surface-2); }
.bento-accent { background: var(--accent-soft); border-color: var(--accent-line); }
.bento-accent h3 { color: var(--accent); }
.machine { grid-column: 2; grid-row: 1 / span 2; display: flex; align-items: center; gap: 6px; color: var(--ink-3); }
.m-node { font-family: var(--mono); font-size: .72rem; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-2); background: var(--surface); }
.m-node-on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.m-arrow { position: relative; display: inline-flex; align-items: center; }
.m-arrow em { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); font-size: .62rem; font-style: normal; font-family: var(--mono); color: var(--accent); }
@media (max-width: 900px) {
  .bento-cell { grid-column: span 6; }
  .bento-wide { grid-template-columns: 1fr; }
  .machine { grid-column: 1; grid-row: auto; flex-wrap: wrap; }
}

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: start; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.plan-featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan-name { font-weight: 650; font-size: 1.05rem; }
.plan-for { font-size: .8rem; color: var(--ink-3); }
.plan-price { font-size: 1.7rem; font-weight: 650; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.plan-price span { font-size: .82rem; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; font-size: .84rem; color: var(--ink-2); }
.plan li { display: grid; grid-template-columns: 15px 1fr; gap: 8px; align-items: start; }
.plan li svg { margin-top: 4px; color: var(--accent); }
.plan li.off { color: var(--ink-3); }
.plan li.off svg { color: var(--line-strong); }
.plan .btn { margin-top: auto; }
@media (max-width: 1000px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .plans { grid-template-columns: 1fr; } }

/* ---------- faq ---------- */
.faq-in { max-width: 780px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer; padding: 18px 34px 18px 0; font-weight: 560; list-style: none; position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 9px; height: 9px;
  border-right: 1.6px solid var(--ink-3); border-bottom: 1.6px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s var(--ease);
}
.faq-list details[open] summary::after { transform: translateY(-20%) rotate(225deg); }
.faq-list summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.faq-a { padding: 0 0 20px; color: var(--ink-2); font-size: .93rem; max-width: 66ch; }

/* ---------- cta / footer ---------- */
.cta-band { padding: clamp(56px, 8vw, 96px) 0; text-align: center; background: var(--surface-2); border-top: 1px solid var(--line); }
.cta-band h2 { margin-bottom: 10px; }
.cta-band .btn { margin-top: 26px; }
.foot { padding: 34px 0 44px; border-top: 1px solid var(--line); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }