/* English OS 첫 화면(8단 설득 구조 · 사령탑 11/4 승격) · 이 페이지 전용 */
:root {
  --bg: #f7f5f0;
  --bg-soft: #efece4;
  --ink: #111214;
  --ink-2: #4a4d55;
  --ink-3: #8a8d95;
  --line: rgba(17, 18, 20, .10);
  --accent: #ffd84a;
  --accent-ink: #111214;
  --dark: #0d0e10;
  --dark-2: #17191d;
  --on-dark: #f6f3eb;
  --on-dark-2: #a9adb6;
  --red: #b92b27;
  --radius: 20px;
  --gutter: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-x: hidden;
  padding-bottom: 88px;
}
a { color: inherit; }
em { font-style: normal; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }

.preview-flag {
  background: var(--red); color: #fff; text-align: center;
  font-size: 12px; font-weight: 700; padding: 6px var(--gutter); letter-spacing: .02em;
}

/* 머리 줄 */
.top { position: sticky; top: 0; z-index: 20; background: rgba(247, 245, 240, .86); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 14px; letter-spacing: .08em; }
.brand-mark { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--ink); color: var(--accent); font-size: 12px; letter-spacing: 0; }
.top-cta { text-decoration: none; font-size: 14px; font-weight: 700; padding: 9px 16px; border-radius: 999px; background: var(--ink); color: var(--bg); }

/* 공통 글자 */
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--ink-3); margin-bottom: 20px; }
.kicker-light { color: var(--on-dark-2); }
h1, h2 { font-weight: 800; letter-spacing: -0.045em; line-height: 1.12; }
h2 { font-size: clamp(30px, 8vw, 64px); }
h1 em, h2 em { background: linear-gradient(transparent 62%, var(--accent) 62%, var(--accent) 92%, transparent 92%); padding: 0 .04em; }
.band-ink h2 em { background: none; color: var(--accent); }
.fine { margin-top: 24px; font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.fine a { color: var(--ink-2); }
.no { display: block; font-size: 13px; font-weight: 800; letter-spacing: .1em; color: var(--ink-3); margin-bottom: 16px; }
h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.3; margin-bottom: 10px; }
p { overflow-wrap: anywhere; }

/* ① 첫 화면 */
.hero { padding: 72px 0 88px; }
.hero h1 { font-size: clamp(36px, 10vw, 92px); }
.lead { margin-top: 28px; font-size: clamp(18px, 4.6vw, 26px); color: var(--ink-2); line-height: 1.55; font-weight: 500; }
.freeze { margin-top: 48px; max-width: 520px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; box-shadow: 0 30px 60px -30px rgba(17, 18, 20, .25); }
.freeze-ko { font-size: 17px; font-weight: 700; }
.freeze-en { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px dashed var(--line); }
.freeze-dots { color: var(--ink-3); font-size: 16px; }
.freeze-time { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 15px; color: var(--red); background: rgba(185, 43, 39, .08); border-radius: 999px; padding: 4px 12px; flex: none; }

.band { padding: 88px 0; }
.band-ink { background: var(--dark); color: var(--on-dark); }
.band-soft { background: var(--bg-soft); }

/* ② 고통 카드 */
.cards3 { margin-top: 48px; display: grid; gap: 12px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; }
.card .no { color: var(--red); }
.card p { color: var(--ink-2); font-size: 16px; }

/* ③ 좌우 대비 */
.vs { margin-top: 48px; display: grid; gap: 12px; }
.vs-col { border-radius: var(--radius); padding: 28px 22px; }
.vs-old { background: var(--bg-soft); color: var(--ink-2); }
.vs-new { background: var(--ink); color: var(--on-dark); }
.vs-head { font-size: 15px; font-weight: 800; margin-bottom: 16px; }
.vs-new .vs-head { color: var(--accent); }
.vs ul { list-style: none; display: grid; gap: 12px; }
.vs li { padding-left: 26px; position: relative; font-size: 16px; line-height: 1.5; }
.vs-old li::before { content: "\2013"; position: absolute; left: 4px; color: var(--ink-3); }
.vs-new li::before { content: "\2713"; position: absolute; left: 2px; color: var(--accent); font-weight: 800; }

/* ④ 숫자 */
.story { margin-top: 32px; font-size: clamp(19px, 5vw, 28px); font-weight: 600; line-height: 1.6; letter-spacing: -0.02em; }
.story-sub { display: block; margin-top: 12px; font-size: 16px; font-weight: 500; color: var(--on-dark-2); }
.stats { list-style: none; margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(255, 255, 255, .3); }
.stats li { padding: 24px 8px 20px; border-right: 1px solid rgba(255, 255, 255, .12); display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.stats li:first-child { padding-left: 0; }
.stats li:last-child { border-right: 0; }
.stats b { font-size: clamp(32px, 10vw, 72px); font-weight: 800; letter-spacing: -0.05em; line-height: 1; color: var(--accent); }
.stats small { font-size: .42em; font-weight: 700; margin-left: 2px; }
.stats span { font-size: 13px; color: var(--on-dark-2); line-height: 1.4; }
.fine-dark { margin-top: 16px; font-size: 11px; color: var(--on-dark-2); opacity: .75; }

/* ⑤ 과정 */
.steps { list-style: none; margin-top: 48px; display: grid; gap: 12px; }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; background: #fff; }
.step p { color: var(--ink-2); font-size: 16px; }
.drill { margin-top: 18px; background: var(--bg); border-radius: 14px; padding: 20px 18px; }
.drill figcaption { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--ink-3); margin-bottom: 12px; }
.step .drill-ko { font-size: 17px; font-weight: 700; color: var(--ink); }
.step .drill-en { margin-top: 10px; font-size: 16px; line-height: 1.8; color: var(--ink); }
.step .drill-cue { margin-top: 6px; font-size: 14px; color: var(--ink-3); }
.blank { display: inline-block; min-width: 2.6em; border-bottom: 2.5px solid var(--ink); }

/* ⑥ 후기 */
.review { background: #fff; border-radius: var(--radius); padding: 36px 24px; border: 1px solid var(--line); }
.review p { font-size: clamp(20px, 5.4vw, 32px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.5; }
.review footer { margin-top: 20px; font-size: 14px; color: var(--ink-3); font-weight: 600; }

/* ⑦ 자주 묻는 것 */
.faq { margin-top: 40px; border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 36px 20px 0; font-size: 17px; font-weight: 700; position: relative; line-height: 1.45; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 24px; font-weight: 400; color: var(--ink-3); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 22px; color: var(--ink-2); font-size: 16px; }

/* ⑧ 2×2 */
.grid2 { margin-top: 48px; display: grid; grid-template-columns: 30px minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
.axis { font-size: 14px; font-weight: 800; color: var(--ink); line-height: 1.35; min-width: 0; }
.axis small { display: block; font-size: 11px; font-weight: 500; color: var(--ink-3); margin-top: 4px; }
.axis-col { padding: 0 2px 6px; align-self: end; }
.axis-row { writing-mode: vertical-rl; display: flex; align-items: center; justify-content: center; letter-spacing: .3em; }
.cell { display: flex; flex-direction: column; gap: 6px; min-height: 128px; min-width: 0; text-decoration: none; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 12px; transition: transform .15s ease, box-shadow .15s ease; }
.cell:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -24px rgba(17, 18, 20, .35); }
.cell-hot { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.cell-name { font-size: 14px; font-weight: 800; }
.cell-price { margin-top: auto; font-size: clamp(15px, 4.4vw, 26px); font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.cell .price-missing, .trial .price-missing { font-size: 13px; color: var(--red); }
.trial { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; text-decoration: none; background: #fff; border: 1.5px dashed var(--ink); border-radius: 16px; padding: 18px 16px; }
.trial-name { font-size: 15px; font-weight: 800; }
.trial-price { font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; }
.trial-note { flex-basis: 100%; font-size: 13px; color: var(--ink-3); }
.final { margin-top: 56px; text-align: center; }
.final-head { font-size: clamp(24px, 6.4vw, 40px); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 58px; padding: 0 32px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 18px; font-weight: 800; text-decoration: none; letter-spacing: -0.02em; box-shadow: 0 16px 32px -16px rgba(17, 18, 20, .45); max-width: 100%; }
.btn:hover { filter: brightness(.97); }
.note { margin-top: 12px; font-size: 14px; color: var(--ink-3); }

.foot { border-top: 1px solid var(--line); padding: 40px 0 32px; font-size: 12px; color: var(--ink-3); line-height: 1.8; }
.foot a { color: var(--ink-2); }
.dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom)); background: linear-gradient(rgba(247, 245, 240, 0), var(--bg) 35%); }
.dock .btn { width: 100%; }

@media (min-width: 760px) {
  body { padding-bottom: 0; }
  .dock { display: none; }
  .wrap { padding: 0 32px; }
  .hero { padding: 128px 0 140px; }
  .band { padding: 136px 0; }
  .cards3 { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .vs { grid-template-columns: 1fr 1fr; gap: 16px; }
  .vs-col, .card, .step { padding: 36px 32px; }
  .vs li { font-size: 17px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats li { padding: 36px 24px 28px; }
  .stats span { font-size: 15px; }
  .grid2 { grid-template-columns: 64px 1fr 1fr; gap: 16px; }
  .axis { font-size: 17px; }
  .axis small { font-size: 13px; }
  .cell { min-height: 180px; padding: 28px; border-radius: 20px; }
  .cell-name { font-size: 17px; }
  .trial { padding: 22px 28px; }
  .review { padding: 56px 48px; }
}

/* l1104 추가: 실제 신청서 문장 · 원어민 문장 · 스레드 영상 기록 · 후기 사진 */
.voices { margin-top: 40px; display: grid; gap: 12px; }
.voice { background: #fff; border-left: 4px solid var(--accent); border-radius: 12px; padding: 18px 18px; font-size: 16px; line-height: 1.6; color: var(--ink); }
.voice small { display: block; margin-top: 8px; font-size: 12px; color: var(--ink-3); }
.corpus { margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; }
.corpus-head { font-size: 14px; font-weight: 700; color: var(--ink-2); }
.corpus ul { list-style: none; margin-top: 12px; display: grid; gap: 10px; }
.corpus li { font-size: 16px; line-height: 1.5; }
.corpus li span { display: block; font-size: 13px; color: var(--ink-3); }
.proofpost { margin-top: 40px; background: var(--dark-2); border-radius: var(--radius); padding: 24px 20px; }
.proofpost-head { font-size: 13px; color: var(--on-dark-2); font-weight: 700; letter-spacing: .04em; }
.proofpost-views { margin-top: 10px; font-size: clamp(28px, 8vw, 48px); font-weight: 800; color: var(--accent); letter-spacing: -0.04em; }
.proofpost ul { list-style: none; margin-top: 16px; display: grid; gap: 8px; font-size: 15px; color: var(--on-dark); }
.proofpost a { display: inline-block; margin-top: 16px; color: var(--accent); font-weight: 700; font-size: 14px; }
.shots { margin-top: 28px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.shots figure { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.shots img { display: block; width: 100%; height: auto; }
.shots figcaption { padding: 10px 12px; font-size: 12px; color: var(--ink-2); line-height: 1.45; }
@media (min-width: 760px) { .shots { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
/* l1104d: 서사 이어 쓰기 · 왜 돈을 받는가 */
.story-more { margin-top: 18px; font-size: clamp(16px, 4.2vw, 20px); font-weight: 500; line-height: 1.65; color: var(--on-dark-2); }
.why-pay { margin: 28px 0 0; padding: 18px 20px; border-left: 4px solid currentColor; font-size: 16px; line-height: 1.7; }
.why-pay b { display: block; margin-top: 8px; }