*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: keep-all;
}

.sub-copy {
  text-wrap: balance;
}

/* ════════════════════════════════
   Animation System
════════════════════════════════ */

.line-clip {
  display: block;
  overflow: hidden;
  padding-bottom: 0.18em;
  margin-bottom: -0.18em;
}
.line-text {
  display: block;
  white-space: nowrap;
  transform: translateY(110%);
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) var(--d, 0s);
}

.fade-item {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease var(--d, 0s), transform 0.7s ease var(--d, 0s);
}

/* Section 1: CSS keyframe (no scroll needed) */
@keyframes maskUp {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
#section1 .line-text {
  animation: maskUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--d, 0s);
  animation-play-state: paused;
}
html.fonts-ready #section1 .line-text {
  animation-play-state: running;
}
#section1 .fade-item {
  animation: fadeUp 0.7s ease both;
  animation-delay: var(--d, 0s);
}

/* Scroll sections */
.scroll-section.is-revealed .line-text  { transform: translateY(0); }
.scroll-section.is-revealed .fade-item  { opacity: 1; transform: translateY(0); }

/* Section 3: underline draws left→right */
#section3 .main-copy .accent { position: relative; display: inline; }
#section3 .main-copy .accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 3px;
  background-color: var(--s3-accent);
  border-radius: 2px;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1) var(--d, 0.75s);
}
#section3.is-revealed .main-copy .accent::after { transform: scaleX(1); }

/* Section 4: accent bg sweeps left→right */
#section4 .main-copy .accent {
  display: inline;
  color: var(--s4-accent);
  border-radius: 8px;
  padding: 0 8px;
  background: linear-gradient(to right, rgba(255,255,255,0.22) 50%, transparent 50%);
  background-size: 200% 100%;
  background-position: right center;
  transition: background-position 0.65s cubic-bezier(0.16, 1, 0.3, 1) 0.55s;
}
#section4.is-revealed .main-copy .accent { background-position: left center; }


/* ════════════════════════════════
   Section 1 · Hero CTA
════════════════════════════════ */
#section1 {
  background-color: var(--s1-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-pad-hero) clamp(12px, 4vw, 24px);
}
#section1 .eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--s1-text-secondary);
  text-transform: uppercase;
  margin-bottom: 28px;
}
#section1 .main-copy {
  font-size: var(--font-hero);
  font-weight: 700;
  line-height: 1.55;
  color: var(--s1-text);
  max-width: 720px;
}
#section1 .main-copy .accent { color: var(--s1-accent); }

#section1 .sub-copy {
  margin-top: 24px;
  font-size: var(--font-sub);
  font-weight: 500;
  color: var(--s1-text-secondary);
}
#section1 .sub-copy .accent { color: var(--s1-accent); font-weight: 700; }

.countdown-wrap {
  margin-top: 48px;
  display: flex;
  gap: clamp(6px, 2vw, 16px);
  align-items: flex-start;
  justify-content: center;
  max-width: 100%;
}
.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.countdown-number {
  font-size: clamp(18px, 6vw, 64px);
  font-weight: 800;
  color: var(--s1-text);
  background: rgba(255,255,255,0.12);
  border-radius: 12px;
  width: clamp(44px, 15vw, 100px);
  height: clamp(44px, 15vw, 100px);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -1px;
  line-height: 1;
}
.countdown-label {
  font-size: clamp(9px, 2.4vw, 12px);
  font-weight: 500;
  color: var(--s1-text-secondary);
  letter-spacing: 0.08em;
}
.countdown-sep {
  font-size: clamp(16px, 3vw, 48px);
  font-weight: 700;
  color: var(--s1-text);
  margin-top: clamp(8px, 2vw, 12px);
  opacity: 0.5;
}
.deadline-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--s1-text-secondary);
}
.cta-btn {
  margin-top: 48px;
  display: inline-block;
  background-color: var(--s1-accent);
  color: #1A1A1A;
  font-family: 'Pretendard', sans-serif;
  font-size: var(--font-body);
  font-weight: 700;
  padding: 18px 40px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.28);
}


/* ════════════════════════════════
   Section 2 · Problem Hook
════════════════════════════════ */
#section2 {
  background-color: var(--s2-bg);
  padding: var(--section-pad-tight) 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#section2 .main-copy {
  font-size: var(--font-sub);
  font-weight: 800;
  line-height: 1.4;
  color: var(--s2-text);
  max-width: 700px;
}
#section2 .main-copy .accent { color: var(--s2-accent); }


/* ════════════════════════════════
   Section 3 · Pain Point
════════════════════════════════ */
#section3 {
  min-height: var(--s3-height);
  background-color: var(--s3-bg);
  background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('source_image/section3-altman.png');
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--section-pad-compact) 24px;
  text-align: center;
}
/* 데스크톱 비터치 환경에서만 패럴랙스 적용 — 모바일은 background-attachment: fixed가 버그·끊김이 있어 제외 */
@media (hover: hover) and (pointer: fine) {
  #section3 {
    background-attachment: fixed;
  }
}
#section3 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.55;
  color: var(--s3-text);
  max-width: 680px;
}


/* ════════════════════════════════
   Section 4 · Solution Statement
════════════════════════════════ */
#section4 {
  background-color: var(--s4-bg);
  padding: var(--section-pad-tight) 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#section4 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.5;
  color: var(--s4-text);
  max-width: 720px;
}


/* ════════════════════════════════
   Section 5 · 일반 AI 강의 vs 이 프로그램
════════════════════════════════ */
#section5 {
  background-color: var(--s5-bg);
  padding: var(--section-pad-compact) 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#section5 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.5;
  color: var(--s5-text);
  max-width: 720px;
}

.compare-wrap {
  margin-top: 48px;
  display: flex;
  gap: 20px;
  width: 100%;
  max-width: 880px;
  align-items: stretch;
}
.compare-col {
  flex: 1;
  border-radius: 20px;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 3vw, 24px);
  text-align: left;
}
.compare-col--bad {
  background: #FFFFFF;
  border: 1px solid #E5E5E8;
}
.compare-col--good {
  background: var(--s5-good-bg);
  border: 2px solid var(--s5-good);
}
.compare-label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}
.compare-col--bad .compare-label { color: var(--s5-bad); }
.compare-col--good .compare-label { color: var(--s5-good); }

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--font-body);
  line-height: 1.5;
  word-break: keep-all;
  color: var(--s5-text);
}
.compare-col--bad .compare-list li { color: var(--s5-bad); }

.compare-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin-top: 2px;
}
.compare-col--bad .compare-icon { background: var(--s5-bad-bg); color: var(--s5-bad); }
.compare-col--good .compare-icon { background: var(--s5-good); color: #FFFFFF; }

@media (max-width: 640px) {
  .compare-wrap { flex-direction: column; }
}


/* ════════════════════════════════
   Section 6 · All-in-One Solution
════════════════════════════════ */
#section6 {
  background-color: var(--s6-bg);
  padding: var(--section-pad-tight) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#section6 .section6-text {
  padding: 0 24px;
}
#section6 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.5;
  color: var(--s6-text);
  max-width: 720px;
}
#section6 .main-copy .accent { color: var(--s6-accent); }

#section6 .section6-image {
  margin-top: 0;
  width: 100%;
  height: clamp(300px, 48vw, 680px);
  overflow: hidden;
}
#section6 .section6-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}


/* ════════════════════════════════
   Section 7 · 예시 프로젝트
════════════════════════════════ */
#section7 {
  background-color: var(--s7-bg);
  padding: var(--section-pad-compact) 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#section7 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.5;
  color: var(--s7-text);
  max-width: 720px;
}
#section7 .main-copy .accent { color: var(--s7-accent); }

.example-grid {
  margin-top: 48px;
  width: 100%;
  max-width: 880px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 32px);
}
.example-card {
  text-align: left;
  display: flex;
  flex-direction: column;
}
.example-title {
  font-size: var(--font-sub);
  font-weight: 700;
  color: var(--s7-text);
  margin-bottom: 6px;
}
.example-sub {
  font-size: var(--font-body);
  line-height: 1.5;
  color: var(--s7-placeholder-text);
  word-break: keep-all;
  margin-bottom: 16px;
}
.example-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--s7-placeholder-bg);
  border: 2px dashed var(--s7-placeholder-border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--s7-placeholder-text);
  font-size: var(--font-body);
  font-weight: 600;
  overflow: hidden;
}
/* GIF/영상이 들어간 카드는 점선 플레이스홀더 대신 깔끔한 프레임 */
.example-media:has(img),
.example-media:has(video) {
  border: 1px solid var(--s7-placeholder-border);
  background: #0c0d10;
}
.example-media img,
.example-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .example-grid { grid-template-columns: 1fr; }
}

.example-disclaimer {
  margin-top: 20px;
  width: 100%;
  max-width: 880px;
  text-align: center;
  font-size: clamp(11px, 1.3vw, 13px);
  line-height: 1.5;
  color: var(--s7-placeholder-text);
  word-break: keep-all;
}

/* ── Section 7 · 영업 자동화 데모 (HTML/CSS) ── */
.demo-media {
  border-style: solid;
  border-color: #E3E6ED;
  background: linear-gradient(160deg, #F7F9FC, #EAEFF6);
  padding: clamp(8px, 2.2%, 14px);
  position: relative;
}
.demo-tag {
  position: absolute;
  top: 0.55em;
  right: 0.6em;
  z-index: 3;
  background: rgba(26, 26, 26, 0.06);
  color: #8A8A92;
  font-size: clamp(8px, 1.8vw, 10px);
  font-weight: 600;
  padding: 0.2em 0.55em;
  border-radius: 1em;
  letter-spacing: 0.02em;
}
.demo {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: clamp(5px, 1.4vw, 9px);
  font-size: clamp(8px, 2.3vw, 11.5px);
  line-height: 1.35;
}

/* 입력 바 */
.demo-bar {
  display: flex;
  align-items: center;
  gap: 0.5em;
  background: #fff;
  border: 1px solid #E3E6ED;
  border-radius: 0.7em;
  padding: 0.55em 0.7em;
  box-shadow: 0 1px 2px rgba(20, 30, 60, 0.04);
}
.demo-ai {
  flex: none;
  color: #fff;
  background: var(--s7-accent);
  font-weight: 700;
  font-size: 0.85em;
  padding: 0.15em 0.45em;
  border-radius: 0.4em;
}
.demo-prompt {
  overflow: hidden;
  white-space: nowrap;
  color: #1A1A1A;
  font-weight: 600;
}
.demo-typed {
  display: inline-block;
  clip-path: inset(0 100% 0 0);
  animation: demo-type 8s infinite;
}
.demo-caret {
  display: inline-block;
  width: 1px;
  height: 1em;
  background: #1A1A1A;
  margin-left: 1px;
  vertical-align: -0.15em;
  animation: demo-blink 1s steps(1) infinite;
}

/* 견적서 */
.demo-doc {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #E9ECF2;
  border-radius: 0.7em;
  padding: 0.7em 0.85em;
  display: flex;
  flex-direction: column;
  gap: 0.45em;
  box-shadow: 0 2px 6px rgba(20, 30, 60, 0.05);
}
.demo-doc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid #EEF0F4;
  padding-bottom: 0.4em;
}
.demo-doc-title { font-weight: 700; font-size: 1.1em; color: #1A1A1A; }
.demo-doc-no { color: #8A8A92; font-size: 0.85em; }
.demo-rows { display: flex; flex-direction: column; gap: 0.32em; }
.demo-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5em;
  color: #4A4A52;
  opacity: 0;
}
.demo-row span:first-child {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.demo-row span:nth-child(2) { flex: none; width: 3.2em; text-align: right; color: #8A8A92; }
.demo-row span:last-child { flex: none; width: 5em; text-align: right; font-weight: 600; color: #1A1A1A; }
.demo-r1 { animation: demo-r1 8s infinite; }
.demo-r2 { animation: demo-r2 8s infinite; }
.demo-r3 { animation: demo-r3 8s infinite; }
.demo-total {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #EEF0F4;
  padding-top: 0.45em;
  font-weight: 700;
  color: #1A1A1A;
  opacity: 0;
  animation: demo-tot 8s infinite;
}
.demo-amount { color: var(--s7-accent); font-size: 1.15em; }

/* 발송 토스트 */
.demo-toast {
  position: absolute;
  left: 50%;
  bottom: 0.7em;
  transform: translateX(-50%) translateY(1.2em);
  background: #1A1A1A;
  color: #fff;
  font-weight: 600;
  font-size: 0.95em;
  padding: 0.45em 0.85em;
  border-radius: 2em;
  white-space: nowrap;
  opacity: 0;
  box-shadow: 0 4px 14px rgba(20, 30, 60, 0.18);
  animation: demo-toastin 8s infinite;
}
.demo-toast::before { content: "✓ "; color: #46D17F; }

@keyframes demo-type {
  0%   { clip-path: inset(0 100% 0 0); }
  10%  { clip-path: inset(0 0 0 0); }
  88%  { clip-path: inset(0 0 0 0); }
  92%, 100% { clip-path: inset(0 100% 0 0); }
}
@keyframes demo-blink { 50% { opacity: 0; } }
@keyframes demo-r1 {
  0%, 14% { opacity: 0; transform: translateY(0.5em); }
  18%, 90% { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; }
}
@keyframes demo-r2 {
  0%, 20% { opacity: 0; transform: translateY(0.5em); }
  24%, 90% { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; }
}
@keyframes demo-r3 {
  0%, 26% { opacity: 0; transform: translateY(0.5em); }
  30%, 90% { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; }
}
@keyframes demo-tot {
  0%, 40% { opacity: 0; transform: scale(0.96); }
  46%, 90% { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; }
}
@keyframes demo-toastin {
  0%, 56% { opacity: 0; transform: translateX(-50%) translateY(1.2em); }
  62%, 86% { opacity: 1; transform: translateX(-50%) translateY(0); }
  92%, 100% { opacity: 0; transform: translateX(-50%) translateY(1.2em); }
}

@media (prefers-reduced-motion: reduce) {
  .demo-typed { animation: none; clip-path: none; }
  .demo-caret { animation: none; }
  .demo-row, .demo-total { opacity: 1; animation: none; transform: none; }
  .demo-toast { opacity: 1; animation: none; transform: translateX(-50%); }
}

/* ── Section 7 · 회계 자동화 데모 (브라우저 화면 녹화 느낌) ── */
.browser {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #DfE3EA;
  border-radius: 0.6em;
  overflow: hidden;
  position: relative;
  font-size: clamp(7.5px, 2.1vw, 10.5px);
  line-height: 1.35;
  box-shadow: 0 4px 14px rgba(20, 30, 60, 0.08);
}
/* 크롬 상단 바 */
.bw-bar {
  display: flex;
  align-items: center;
  gap: 0.45em;
  background: #EDEFF3;
  border-bottom: 1px solid #E1E4EA;
  padding: 0.5em 0.7em;
  flex: none;
}
.bw-dot { width: 0.55em; height: 0.55em; border-radius: 50%; background: #C7CBD3; flex: none; }
.bw-dot:nth-child(1) { background: #FF5F57; }
.bw-dot:nth-child(2) { background: #FEBC2E; }
.bw-dot:nth-child(3) { background: #28C840; }
.bw-url {
  flex: 1;
  margin-left: 0.4em;
  background: #fff;
  border-radius: 1em;
  padding: 0.25em 0.7em;
  color: #6A6A72;
  font-size: 0.92em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 본문 */
.bw-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0.7em 0.8em;
  gap: 0.55em;
}
.bw-head { display: flex; align-items: center; justify-content: space-between; }
.bw-title { font-weight: 700; color: #1A1A1A; font-size: 1.05em; }
.bw-btn {
  font-family: inherit;
  border: none;
  background: var(--s7-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.92em;
  padding: 0.4em 0.8em;
  border-radius: 0.5em;
  cursor: pointer;
  animation: bw-btn 8s infinite;
}
/* 테이블 */
.bw-table { width: 100%; border-collapse: collapse; font-size: 0.95em; }
.bw-table th {
  text-align: left;
  color: #9A9AA2;
  font-weight: 600;
  font-size: 0.92em;
  padding: 0.2em 0.3em 0.35em;
  border-bottom: 1px solid #ECEEF2;
}
.bw-table td {
  padding: 0.28em 0.3em;
  color: #3A3A42;
  border-bottom: 1px solid #F2F3F6;
  white-space: nowrap;
}
.bw-table td:nth-child(2) { width: 99%; overflow: hidden; text-overflow: ellipsis; max-width: 0; }
.bw-table .num, .bw-table th.num { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.bw-table .st, .bw-table th.st { text-align: center; width: 2.2em; }
.bw-table .pos { color: #1A1A1A; }
.bw-table .neg { color: #1A1A1A; }
.bw-check { color: #1FB35A; font-weight: 700; opacity: 0; }
.bw-row1 .bw-check { animation: bw-chk1 8s infinite; }
.bw-row2 .bw-check { animation: bw-chk2 8s infinite; }
.bw-row3 .bw-check { animation: bw-chk3 8s infinite; }
.bw-row4 .bw-check { animation: bw-chk4 8s infinite; }
/* 푸터 */
.bw-foot { margin-top: auto; display: flex; flex-direction: column; gap: 0.45em; }
.bw-progress {
  height: 0.45em;
  background: #ECEEF2;
  border-radius: 1em;
  overflow: hidden;
  opacity: 0;
  animation: bw-prog-show 8s infinite;
}
.bw-progress-fill { height: 100%; width: 0; background: var(--s7-accent); border-radius: 1em; animation: bw-prog 8s infinite; }
.bw-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  color: #1A1A1A;
}
.bw-amount { color: var(--s7-accent); font-size: 1.15em; opacity: 0; animation: bw-amt 8s infinite; }
/* 커서 */
.bw-cursor {
  position: absolute;
  top: 4.2em;
  right: 1.5em;
  width: 1.1em;
  height: 1.1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M5 3 L5 21 L10 16 L13 22 L16 21 L13 15 L20 15 Z' fill='%23111' stroke='%23fff' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0;
  pointer-events: none;
  z-index: 4;
  animation: bw-cursor 8s infinite;
}
/* 완료 배지 */
.bw-done {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  background: rgba(26, 26, 26, 0.92);
  color: #fff;
  font-weight: 700;
  font-size: 1.05em;
  padding: 0.55em 1.1em;
  border-radius: 2em;
  white-space: nowrap;
  opacity: 0;
  z-index: 5;
  box-shadow: 0 6px 20px rgba(20, 30, 60, 0.25);
  animation: bw-done 8s infinite;
}
.bw-done::before { content: "✓ "; color: #46D17F; }

@keyframes bw-cursor {
  0%   { opacity: 0; transform: translate(1.4em, 2.6em); }
  6%   { opacity: 1; transform: translate(1.4em, 2.6em); }
  13%  { opacity: 1; transform: translate(0, 0); }
  16%  { transform: translate(0, 0.22em) scale(0.88); }
  20%  { transform: translate(0, 0) scale(1); }
  34%  { opacity: 1; transform: translate(0.6em, 2em); }
  40%, 100% { opacity: 0; transform: translate(0.6em, 2em); }
}
@keyframes bw-btn {
  0%, 14% { background: var(--s7-accent); transform: none; }
  16%, 20% { background: #1B5FD0; transform: scale(0.95); }
  24%, 100% { background: var(--s7-accent); transform: none; }
}
@keyframes bw-prog-show {
  0%, 15% { opacity: 0; }
  18%, 88% { opacity: 1; }
  93%, 100% { opacity: 0; }
}
@keyframes bw-prog {
  0%, 17% { width: 0; }
  50% { width: 100%; }
  88% { width: 100%; }
  93%, 100% { width: 0; }
}
@keyframes bw-chk1 { 0%, 24% { opacity: 0; } 28%, 90% { opacity: 1; } 94%, 100% { opacity: 0; } }
@keyframes bw-chk2 { 0%, 30% { opacity: 0; } 34%, 90% { opacity: 1; } 94%, 100% { opacity: 0; } }
@keyframes bw-chk3 { 0%, 36% { opacity: 0; } 40%, 90% { opacity: 1; } 94%, 100% { opacity: 0; } }
@keyframes bw-chk4 { 0%, 42% { opacity: 0; } 46%, 90% { opacity: 1; } 94%, 100% { opacity: 0; } }
@keyframes bw-amt {
  0%, 50% { opacity: 0; transform: translateY(0.3em); }
  56%, 90% { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; }
}
@keyframes bw-done {
  0%, 58% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
  64%, 84% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  90%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
}

@media (prefers-reduced-motion: reduce) {
  .bw-btn, .bw-progress, .bw-progress-fill, .bw-check, .bw-amount { animation: none; }
  .bw-progress, .bw-check, .bw-amount { opacity: 1; }
  .bw-progress-fill { width: 100%; }
  .bw-cursor, .bw-done { animation: none; opacity: 0; }
}


/* ════════════════════════════════
   Section 8 · 코치 소개
════════════════════════════════ */
#section8 {
  background-color: #0F1B33;
  padding: var(--section-pad-compact) 24px;
  display: flex;
  justify-content: center;
}
.coach-wrap {
  width: 100%;
  max-width: 920px;
  display: flex;
  gap: clamp(28px, 5vw, 56px);
  align-items: flex-end;
}
.coach-heading {
  flex-shrink: 0;
  width: clamp(260px, 38vw, 480px);
}
.coach-photo {
  width: 100%;
  height: auto;
  border-radius: 20px;
  display: block;
}
.coach-title {
  font-size: var(--font-heading);
  font-weight: 800;
  line-height: 1.25;
  color: var(--s8-text);
  margin-bottom: 18px;
}
.coach-info { text-align: left; }
.coach-bio {
  font-size: var(--font-body);
  line-height: 1.7;
  color: var(--s8-text);
  margin-bottom: 24px;
}
.coach-bio strong {
  font-weight: 700;
  color: var(--s8-accent);
}

@media (max-width: 640px) {
  .coach-wrap { flex-direction: column; align-items: flex-start; }
  .coach-heading { width: 100%; }
}


/* ════════════════════════════════
   Section 9 · 진행 과정 (가로 스크롤)
════════════════════════════════ */
#section9 {
  background-color: var(--s9-bg);
  padding: var(--section-pad-compact) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
#section9 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--s9-text);
  max-width: 720px;
  padding: 0 24px;
}
#section9 .main-copy .accent { color: var(--s9-accent); }

.process-hint {
  margin-top: 14px;
  font-size: var(--font-body);
  font-weight: 600;
  color: var(--s1-text-secondary);
}

.process-scroll {
  width: 100%;
  max-width: 920px;
  margin-top: 28px;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: clamp(16px, 4vw, 24px);
  padding: 4px clamp(16px, 4vw, 24px) 14px;
  -webkit-overflow-scrolling: touch;
}
.process-scroll::-webkit-scrollbar { height: 6px; }
.process-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
}
.process-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.55);
  border-radius: 3px;
}

.process-card {
  flex: 0 0 auto;
  width: clamp(240px, 72vw, 300px);
  scroll-snap-align: start;
  background: var(--s9-card-bg);
  border-radius: 20px;
  padding: clamp(22px, 3vw, 30px);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.process-step {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--s9-step);
}
.process-title {
  font-size: var(--font-sub);
  font-weight: 700;
  color: var(--s9-card-text);
}
.process-desc {
  font-size: var(--font-body);
  line-height: 1.6;
  color: var(--s9-card-muted);
}

/* ════════════════════════════════
   Section 10 · 이 강의의 특징
════════════════════════════════ */
#section10 {
  background-color: var(--s10-bg);
  padding: var(--section-pad-compact) clamp(12px, 4vw, 24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
#section10 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--s10-text);
  max-width: 720px;
}
#section10 .main-copy .accent { color: var(--s10-accent); }

.feature-grid {
  margin-top: 40px;
  width: 100%;
  max-width: 880px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.feature-card {
  background: var(--s10-card-bg);
  border-radius: 20px;
  padding: clamp(22px, 3vw, 28px);
  text-align: left;
}
.feature-title {
  font-size: var(--font-sub);
  font-weight: 700;
  color: var(--s10-text);
}
.feature-desc {
  margin-top: 10px;
  font-size: var(--font-body);
  line-height: 1.6;
  color: var(--s10-muted);
}
@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════
   Section 11 · FAQ
════════════════════════════════ */
#section11 {
  background-color: var(--s11-bg);
  padding: var(--section-pad-compact) clamp(12px, 4vw, 24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
#section11 .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--s11-text);
  max-width: 720px;
}

.faq-list {
  margin-top: 40px;
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}
.faq-item {
  background: var(--s11-item-bg);
  border-radius: 16px;
  padding: 18px 22px;
}
.faq-item summary {
  font-size: var(--font-sub);
  font-weight: 700;
  color: var(--s11-text);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--s11-accent);
  font-weight: 700;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  margin-top: 12px;
  font-size: var(--font-body);
  line-height: 1.6;
  color: var(--s11-muted);
}

/* ════════════════════════════════
   Section 12 · 신청 CTA
════════════════════════════════ */
.apply-section {
  background-color: var(--s1-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-pad-compact) clamp(12px, 4vw, 24px);
}
.apply-section .main-copy {
  font-size: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--s1-text);
  max-width: 720px;
}
.apply-section .main-copy .accent { color: var(--s1-accent); }
.apply-echo {
  margin-top: 20px;
  font-size: var(--font-sub);
  font-weight: 600;
  color: var(--s1-text);
}
.apply-echo .accent { color: var(--s1-accent); font-weight: 700; }
.apply-desc {
  margin-top: 16px;
  font-size: var(--font-body);
  font-weight: 600;
  color: var(--s1-text-secondary);
}