:root {
  --sales-bg: #f7f7f4;
  --sales-paper: rgba(255, 255, 255, 0.86);
  --sales-ink: #111;
  --sales-muted: #686d6b;
  --sales-line: rgba(17, 24, 24, 0.1);
  --sales-deep: #064f46;
  --sales-rose: #f06f97;
  --sales-sage: #b9d8cf;
  --sales-blue: #7f95d1;
  --sales-rose-soft: #E5A0AC;
  --sales-olive: #A3AD79;
  --sales-shadow: 0 18px 52px rgba(15, 24, 24, 0.08);
  --sales-font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.course-sales {
  min-height: 100vh;
  color: var(--sales-ink);
  background:
    radial-gradient(circle at 16% 8%, rgba(240, 111, 151, 0.14), transparent 28%),
    radial-gradient(circle at 86% 14%, rgba(185, 216, 207, 0.26), transparent 32%),
    radial-gradient(circle at 52% 86%, rgba(127, 149, 209, 0.12), transparent 34%),
    var(--sales-bg);
  font-family: var(--sales-font);
}

.course-sales a {
  color: inherit;
  text-decoration: none;
}

body.course-sales [data-course-only] {
  display: none;
}

body[data-course="architecture"] [data-course-only="architecture"],
body[data-course="interior"] [data-course-only="interior"] {
  display: revert;
}

body[data-course="architecture"] .workflow-grid[data-course-only="architecture"],
body[data-course="interior"] .workflow-grid[data-course-only="interior"],
body[data-course="architecture"] .audience-list article[data-course-only="architecture"],
body[data-course="interior"] .audience-list article[data-course-only="interior"],
body[data-course="architecture"] .lesson-item[data-course-only="architecture"],
body[data-course="interior"] .lesson-item[data-course-only="interior"] {
  display: grid;
}

body[data-course="combined"] .audience-list article[data-course-only],
body[data-course="combined"] .lesson-item[data-course-only] {
  display: grid;
}

body[data-course="architecture"] .result-card[data-course-only="architecture"],
body[data-course="interior"] .result-card[data-course-only="interior"] {
  display: block;
}

body[data-course="combined"] .result-card[data-course-only] {
  display: block;
}

body[data-course="architecture"] .option-card[data-course-only="architecture"],
body[data-course="interior"] .option-card[data-course-only="interior"],
body[data-course="architecture"] .curriculum-chapter[data-course-only="architecture"],
body[data-course="interior"] .curriculum-chapter[data-course-only="interior"] {
  display: block;
}

body[data-course="combined"] .option-card[data-course-only],
body[data-course="combined"] .curriculum-chapter[data-course-only] {
  display: block;
}

.sales-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  width: min(1180px, calc(100vw - 32px));
  margin: 14px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 20px;
  background: rgba(248, 249, 248, 0.78);
  box-shadow: 0 14px 34px rgba(15, 24, 24, 0.06);
  backdrop-filter: blur(22px) saturate(170%);
}

.sales-nav__inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 18px;
}

.sales-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}

.sales-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  display: block;
  overflow: hidden;
}

.sales-mark img {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  display: block;
}

.sales-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
}

.sales-links a {
  padding: 9px 12px;
  border-radius: 999px;
  color: #333;
  font-size: 13px;
  font-weight: 700;
}

.sales-links a[aria-current="page"],
.sales-links a:hover {
  background: rgba(255, 255, 255, 0.72);
  color: #000;
}

.sales-page {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 58px 0 96px;
}

.sales-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 36px;
  align-items: stretch;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--sales-line);
  border-radius: 28px;
  background: var(--sales-paper);
  box-shadow: var(--sales-shadow);
  backdrop-filter: blur(28px) saturate(170%);
}

.sales-eyebrow {
  margin: 0 0 14px;
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sales-hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: 0;
  word-break: keep-all;
}

.sales-lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--sales-muted);
  font-size: 16px;
  line-height: 1.76;
  word-break: keep-all;
}

.sales-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.sales-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid rgba(17, 24, 24, 0.1);
  border-radius: 999px;
  background: #fff;
  color: #111;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(15, 24, 24, 0.06);
}

.sales-button--dark {
  background: #101010;
  color: #fff;
}

.course-sales .sales-button.sales-button--dark,
.course-sales .sales-button.sales-button--dark:visited {
  color: #fff;
}

.pass-perks {
  display: grid;
  gap: 10px;
  margin: 18px 0 20px;
  padding: 18px 0 0;
  border-top: 1px solid var(--sales-line);
  list-style: none;
}

.pass-perks li {
  position: relative;
  display: grid;
  gap: 3px;
  padding-left: 22px;
  color: var(--sales-muted);
  font-size: 13px;
  line-height: 1.6;
  word-break: keep-all;
}

.pass-perks li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  color: var(--sales-deep);
  font-weight: 700;
}

.pass-perks strong {
  color: var(--sales-ink);
  font-size: 14px;
  font-weight: 700;
}

.sales-poster {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  padding: 0;
  color: #101010;
}

.sales-thumb {
  position: relative;
  aspect-ratio: 1206 / 853;
  min-height: 220px;
  overflow: hidden;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.08)),
    url("assets/course-material-story.jpg") center / contain no-repeat,
    #eee;
}

.sales-thumb__date {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: grid;
  gap: 2px;
  padding: 13px 16px;
  border-radius: 14px;
  background: rgba(16, 16, 16, 0.72);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 700;
}

.sales-thumb__date b {
  color: #fff;
  font-size: 31px;
  font-weight: 500;
  line-height: 0.95;
}

.sales-poster__label {
  margin-top: 4px;
  color: rgba(16,16,16,0.46);
  font-size: 13px;
  font-weight: 700;
}

.sales-poster strong {
  max-width: 380px;
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  word-break: keep-all;
}

.sales-poster p {
  margin: -4px 0 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.7;
  word-break: keep-all;
}

.poster-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.poster-tags span {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(16,16,16,0.06);
  color: rgba(16,16,16,0.68);
  font-size: 12px;
  font-weight: 700;
}

.sales-section {
  margin-top: 54px;
}

#course-options,
#curriculum {
  scroll-margin-top: 116px;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.54fr);
  gap: 24px;
  align-items: start;
}

.sales-section h2 {
  margin: 0;
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
  word-break: keep-all;
}

.sales-section__lead {
  margin: 12px 0 0;
  color: var(--sales-muted);
  font-size: 15px;
  line-height: 1.72;
  word-break: keep-all;
}

.reservation-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  margin: 0 0 12px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(17, 24, 24, 0.06);
  color: #666;
  font-size: 12px;
  font-weight: 650;
}

.release-note,
.price-release-note {
  margin: 12px 0 0;
  color: var(--sales-muted);
  font-size: 13px;
  line-height: 1.65;
}

.course-info {
  margin-top: 28px;
}

.course-info dl {
  display: grid;
  gap: 8px;
  margin: 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.65;
}

.course-info div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
}

.course-info dt {
  color: #6b6f6d;
  font-weight: 650;
}

.course-info dd {
  margin: 0;
}

.course-info a {
  color: #333;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.automation-coupon .coupon-card {
  padding: 32px;
  border-radius: 28px;
  background: #101816;
  color: #f3f5f4;
  box-shadow: var(--sales-shadow);
}

.coupon-eyebrow {
  margin: 0 0 10px;
  color: #8fd6c4;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.coupon-title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  word-break: keep-all;
}

.coupon-desc {
  margin: 0 0 18px;
  color: rgba(243,245,244,0.72);
  font-size: 14px;
  line-height: 1.65;
  word-break: keep-all;
}

.course-sales .automation-coupon .coupon-card .coupon-desc--beta {
  margin-top: -8px;
  color: rgba(243, 245, 244, 0.6);
  font-size: 13px;
}

.coupon-benefits {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: rgba(243,245,244,0.85);
}

.coupon-benefits li {
  position: relative;
  padding-left: 18px;
}

.coupon-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #8fd6c4;
}

.price-card,
.curriculum-panel,
.flow-card,
.notice-card {
  border: 1px solid var(--sales-line);
  border-radius: 28px;
  background: rgba(255,255,255,0.8);
  box-shadow: var(--sales-shadow);
  backdrop-filter: blur(24px) saturate(160%);
}

.price-card {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.price-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(17,24,24,0.08);
}

.price-row:last-child {
  border-bottom: 0;
}

.price-row__date,
.lesson-code {
  color: var(--sales-deep);
  font-size: 13px;
  font-weight: 700;
}

.price-row__title {
  font-size: 15px;
  font-weight: 700;
}

.price-row__price {
  text-align: right;
  font-size: 22px;
  font-weight: 700;
}

.price-row__price del {
  display: block;
  color: #9a9d9b;
  font-size: 13px;
  font-weight: 700;
}

.discount-pill {
  display: inline-flex;
  align-items: center;
  margin-top: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(185,216,207,0.42);
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
}

.option-card {
  margin-top: 14px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(246, 248, 247, 0.86);
}

.pass-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 4px;
}

.option-card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.option-card p {
  margin: 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.62;
}

.option-price {
  display: inline-block;
  margin-top: 12px;
  font-size: 22px;
  font-weight: 700;
}

.curriculum-panel {
  overflow: hidden;
}

.curriculum-group {
  margin: 20px 24px 10px;
  color: var(--sales-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.curriculum-chapter {
  border-bottom: 1px solid rgba(17,24,24,0.08);
}

.curriculum-chapter:last-child {
  border-bottom: 0;
}

.curriculum-chapter summary {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 14px;
  align-items: center;
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
}

.curriculum-chapter summary::-webkit-details-marker {
  display: none;
}

.curriculum-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.32;
}

.curriculum-status {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(185,216,207,0.34);
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
}

.curriculum-scope {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17,24,24,0.06);
  color: #555;
  font-size: 12px;
  font-weight: 700;
}

.lesson-list {
  display: grid;
  gap: 10px;
  padding: 0 24px 24px 128px;
}

.lesson-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid rgba(17,24,24,0.06);
}

.lesson-item strong {
  font-size: 15px;
}

.lesson-item p {
  margin: 5px 0 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.58;
  word-break: keep-all;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.workflow-step strong {
  display: block;
  margin-bottom: 8px;
  color: var(--sales-ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}

.workflow-step p,
.audience-list p {
  margin: 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.66;
  word-break: keep-all;
}

.audience-list {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.audience-list article {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.audience-list span {
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.audience-list h3 {
  margin: 0 0 8px;
  color: var(--sales-ink);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 650;
  line-height: 1.25;
}

.faq-list {
  margin-top: 22px;
}

.faq-item {
  border-bottom: 1px solid rgba(17,24,24,0.08);
}

.faq-item:first-child {
  border-top: 1px solid rgba(17,24,24,0.08);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  font-size: 18px;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  max-width: 760px;
  margin: -4px 0 20px;
  color: var(--sales-muted);
  font-size: 15px;
  line-height: 1.72;
  word-break: keep-all;
}

.faq-item a {
  color: var(--sales-deep);
  font-weight: 700;
}

.curriculum-status--pending {
  background: rgba(17,24,24,0.06);
  color: #555;
}

.flow-grid,
.track-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.flow-card,
.track-card {
  padding: 22px;
}

.flow-card h3,
.track-card h3 {
  margin: 12px 0 8px;
  font-size: 22px;
}

.flow-card p,
.track-card p {
  margin: 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.62;
}

.flow-card__status,
.track-card span,
.track-card em {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17,24,24,0.06);
  color: #555;
  font-size: 12px;
  font-weight: 700;
}

.track-card em {
  margin-top: 14px;
  font-style: normal;
}

.result-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.result-card {
  padding: 28px 0;
  border-bottom: 1px solid var(--sales-line);
}

.result-card:last-child {
  border-bottom: none;
}

.result-card--wide {
  grid-column: 1 / -1;
}

.result-examples {
  display: grid;
  gap: 16px;
  margin-bottom: 4px;
}

.result-eyebrow {
  margin: 0 0 14px;
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.result-pair,
.result-single,
.result-video {
  display: grid;
  gap: 10px;
}

.result-pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-pair--wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.result-card figure {
  min-width: 0;
  margin: 0;
}

.result-card img,
.result-card video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 20px;
  background: rgba(17,24,24,0.06);
  object-fit: cover;
}

.result-card video {
  aspect-ratio: 16 / 9;
}

.result-card img.is-tall {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: rgba(17,24,24,0.04);
}

.result-card img.is-original-ratio {
  aspect-ratio: auto;
  object-fit: contain;
  background: rgba(17,24,24,0.04);
}

.result-video--portrait {
  justify-items: center;
}

.result-video--portrait video {
  width: min(100%, 420px);
  aspect-ratio: 9 / 16;
  object-fit: contain;
}

.result-card figcaption {
  margin-top: 8px;
  color: #666;
  font-size: 12px;
  font-weight: 700;
}

.result-caption {
  margin: 14px 0 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.62;
  word-break: keep-all;
}

.program-list {
  display: grid;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.program-list li {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 10px 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--sales-line);
}

.program-list li:last-child {
  border-bottom: none;
}

.program-name {
  font-size: 15px;
  font-weight: 700;
}

.program-tag {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(17,24,24,0.06);
  color: var(--sales-muted);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.program-tag--required {
  background: var(--sales-deep);
  color: #fff;
}

.program-list li p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--sales-muted);
  font-size: 13px;
  line-height: 1.6;
  word-break: keep-all;
}

.program-notes {
  display: grid;
  gap: 6px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--sales-muted);
  font-size: 12px;
  line-height: 1.6;
}

.program-notes li {
  position: relative;
  padding-left: 12px;
  word-break: keep-all;
}

.program-notes li::before {
  position: absolute;
  left: 0;
  content: "*";
}

.instructor-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 24px;
  padding: 28px;
  border: 1px solid var(--sales-line);
  border-radius: 28px;
  background: rgba(255,255,255,0.8);
  box-shadow: var(--sales-shadow);
}

.instructor-card__photo {
  display: block;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.instructor-card__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.instructor-card__role {
  margin: 4px 0 16px;
  color: var(--sales-muted);
  font-size: 14px;
}

.instructor-card__section-label {
  margin: 0 0 8px;
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.instructor-card__credits {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  color: var(--sales-ink);
  font-size: 13px;
  line-height: 1.55;
  word-break: keep-all;
}

.instructor-card__credits li {
  padding-left: 0;
}

.instructor-card__note {
  margin: 0 0 18px;
  color: var(--sales-ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  word-break: keep-all;
}

.instructor-card__social {
  display: flex;
  gap: 10px;
}

.instructor-card__social a {
  padding: 8px 14px;
  border: 1px solid var(--sales-line);
  border-radius: 999px;
  color: var(--sales-ink);
  font-size: 13px;
  font-weight: 700;
}

.notice-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  margin-top: 46px;
  padding: 24px;
}

.notice-card p {
  margin: 6px 0 0;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.6;
}

.sales-checkout-action {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.sales-legal-note {
  max-width: 360px;
  margin: 0;
  color: var(--sales-muted);
  font-size: 12px;
  line-height: 1.65;
}

.sales-legal-note a {
  color: #333;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-inner {
  width: min(1180px, calc(100vw - 32px));
  margin: 42px auto 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  color: var(--sales-muted);
  font-size: 12px;
  line-height: 1.7;
}

.footer-title {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-size: 12px;
  font-weight: 700;
}

.footer-lines,
.footer-links {
  display: grid;
  gap: 4px;
}

.footer-line {
  display: flex;
  gap: 8px;
}

.footer-label {
  flex: 0 0 auto;
  color: #8d918f;
}

.footer-value,
.footer-link {
  color: var(--sales-muted);
}

.footer-link {
  text-decoration: none;
}

.sales-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-top: 1px solid var(--sales-line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px) saturate(160%);
}

.sales-sticky__info {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.sales-sticky__info strong {
  font-size: 15px;
  font-weight: 700;
}

.sales-sticky__info span {
  color: var(--sales-muted);
  font-size: 12px;
}

.sales-sticky .sales-button {
  flex: 0 0 auto;
  min-height: 44px;
}

body {
  overflow-x: clip;
}

.accent-band {
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  margin-top: 54px;
  padding: 58px 24px;
  text-align: center;
  color: var(--sales-ink);
}

.accent-band--rose { background: var(--sales-rose-soft); }
.accent-band--olive { background: var(--sales-olive); }

.accent-band__mark {
  display: block;
  margin: 0 auto 18px;
  font-size: 26px;
  line-height: 1;
  opacity: 0.72;
}

.accent-band__lead {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(17, 17, 17, 0.68);
  word-break: keep-all;
}

.accent-band__title {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.38;
  word-break: keep-all;
}

.accent-band__note {
  margin: 16px 0 0;
  font-size: 12px;
  color: rgba(17, 17, 17, 0.6);
}

.convo-block {
  margin: 8px 0;
  padding: 30px 26px;
  border-radius: 22px;
  background: #14201d;
  display: grid;
  gap: 14px;
}

.convo-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.convo-row--reply {
  grid-template-columns: minmax(0, 1fr) 34px;
  justify-items: end;
}

.convo-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.14);
  font-size: 15px;
  line-height: 1;
}

.convo-row--reply .convo-avatar { order: 2; }

.convo-bubble {
  max-width: 620px;
  padding: 15px 18px;
  border-radius: 18px 18px 18px 6px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(243, 245, 244, 0.86);
  font-size: 14px;
  line-height: 1.68;
  word-break: keep-all;
}

.convo-bubble strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.convo-line {
  display: block;
  margin-top: 9px;
}

.convo-line--muted {
  color: rgba(16, 32, 28, 0.66);
  font-size: 13px;
}

.convo-row--reply .convo-bubble {
  border-radius: 18px 18px 6px 18px;
  background: var(--sales-sage);
  color: #10201c;
}

.convo-row--reply .convo-bubble strong { color: #08100e; }

.deck-preview {
  margin-top: 54px;
}

.deck-preview__frame {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--sales-line);
  background: #0f1614;
  box-shadow: var(--sales-shadow);
}

.deck-preview__frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.deck-preview__caption {
  margin: 12px 0 0;
  color: var(--sales-muted);
  font-size: 13px;
  line-height: 1.6;
  word-break: keep-all;
}

.showcase-headline {
  margin: 16px 0 0;
  text-align: center;
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  word-break: keep-all;
}

.showcase-headline mark {
  padding: 0 3px;
  background: linear-gradient(transparent 58%, var(--sales-rose-soft) 58%);
  color: inherit;
}

.phone-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 300px) minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin-top: 22px;
}

.phone-frame {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.phone-frame::before {
  display: none;
}

.phone-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 0;
  object-fit: cover;
  background: transparent;
}

.phone-notes {
  grid-row: 1;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.phone-notes--left { grid-column: 1; justify-items: end; }
.phone-notes--right { grid-column: 3; }

.phone-notes li {
  max-width: 250px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--sales-line);
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 24, 24, 0.07);
  color: var(--sales-ink);
  font-size: 13px;
  line-height: 1.62;
  word-break: keep-all;
}

/* ===== 히어로 ===== */
.sales-hero {
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 44px;
  align-items: center;
}

.sales-hero h1 {
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.sales-lead {
  max-width: 470px;
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.72;
}

.hero-offer {
  justify-self: start;
  display: grid;
  gap: 5px;
  margin-top: 28px;
  padding: 20px 24px;
  border-radius: 18px;
  background: var(--sales-deep);
  color: #fff;
}

.hero-offer__label {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.hero-offer__price {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.hero-offer__price del {
  color: rgba(255, 255, 255, 0.46);
  font-size: 15px;
}

.hero-offer__price b {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1;
}

.hero-offer__price i {
  font-style: normal;
  font-size: 15px;
  font-weight: 600;
}

.hero-offer__price em {
  margin-left: 3px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--sales-rose);
  color: #fff;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

.hero-offer__note {
  margin: 3px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.6;
  word-break: keep-all;
}

.sales-actions {
  margin-top: 26px;
}

.hero-shift {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 24px;
  aspect-ratio: 1206 / 678;
  background: #0f1614;
  box-shadow: var(--sales-shadow);
}

.hero-shift img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shift__before {
  clip-path: inset(0 0 0 0);
  animation: heroWipe 9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes heroWipe {
  0%, 12%   { clip-path: inset(0 0 0 0); }
  45%, 62%  { clip-path: inset(0 100% 0 0); }
  95%, 100% { clip-path: inset(0 0 0 0); }
}

.hero-shift__seam {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.45);
  animation: heroSeam 9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes heroSeam {
  0%, 12%  { left: 100%; opacity: 0; }
  17%      { opacity: 1; }
  45%      { left: 0%; opacity: 1; }
  52%, 62% { left: 0%; opacity: 0; }
  67%      { opacity: 1; }
  95%      { left: 100%; opacity: 1; }
  100%     { left: 100%; opacity: 0; }
}

.hero-shift__tag {
  position: absolute;
  bottom: 16px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(12, 18, 16, 0.72);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

.hero-shift__tag--l {
  left: 16px;
  animation: heroTagL 9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.hero-shift__tag--r { right: 16px; }

@keyframes heroTagL {
  0%, 28%   { opacity: 1; }
  38%, 66%  { opacity: 0; }
  78%, 100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-shift__before { animation: none; clip-path: inset(0 50% 0 0); }
  .hero-shift__seam { animation: none; left: 50%; opacity: 1; }
  .hero-shift__tag--l { animation: none; opacity: 1; }
}

.price-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.price-card__actions .sales-button {
  flex: 1 1 140px;
}

/* ===== 히어로 — 배너형 ===== */
.sales-hero--banner {
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 0;
  border: 0;
  background: none;
  box-shadow: none;
  backdrop-filter: none;
}

.sales-hero--banner .hero-shift {
  aspect-ratio: 1206 / 400;
}

.hero-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 40px;
  align-items: start;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.hero-meta li {
  padding: 7px 13px;
  border: 1px solid var(--sales-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--sales-deep);
  font-size: 12px;
  font-weight: 600;
}

.hero-facts {
  margin: 22px 0 0;
  color: var(--sales-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: keep-all;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 6px 11px;
  border-radius: 8px;
  background: rgba(16, 32, 28, 0.05);
  color: var(--sales-muted);
  font-size: 12px;
  font-weight: 500;
}

.hero-pass {
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--sales-line);
}

.hero-pass h2 {
  margin: 9px 0 0;
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 650;
  line-height: 1.26;
  letter-spacing: -0.01em;
  word-break: keep-all;
}

.hero-pass p {
  margin: 10px 0 0;
  max-width: 520px;
  color: var(--sales-muted);
  font-size: 14px;
  line-height: 1.72;
  word-break: keep-all;
}

.track-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.track-card p {
  margin-bottom: 14px;
}

.track-card em {
  margin-top: auto;
}

@media (max-width: 920px) {
  .sales-page {
    padding-top: 34px;
    padding-bottom: 150px;
  }

  .sales-sticky {
    display: flex;
  }

  .sales-hero,
  .section-grid,
  .flow-grid,
  .track-grid,
  .result-gallery,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .sales-hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-offer {
    justify-self: stretch;
  }

  .hero-body {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .sales-hero--banner .hero-shift {
    aspect-ratio: 16 / 10;
  }

  .sales-lead {
    max-width: none;
  }

  .sales-poster {
    min-height: 260px;
  }

  .notice-card {
    grid-template-columns: 1fr;
  }

  .sales-checkout-action {
    justify-items: start;
  }

  .audience-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .phone-showcase {
    grid-template-columns: 1fr;
  }

  .phone-frame {
    grid-column: 1;
    grid-row: auto;
    max-width: 290px;
    margin: 0 auto;
  }

  .phone-notes {
    grid-row: auto;
  }

  .phone-notes--left,
  .phone-notes--right {
    grid-column: 1;
    justify-items: stretch;
  }

  .phone-notes li { max-width: none; }
}

@media (max-width: 640px) {
  .sales-nav,
  .sales-page {
    width: min(100vw - 20px, 1180px);
  }

  .sales-nav__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .sales-links {
    justify-content: flex-start;
  }

  .sales-hero {
    padding: 24px;
    border-radius: 28px;
  }

  .sales-hero--banner {
    padding: 0;
  }

  .sales-hero h1 {
    font-size: 34px;
  }

  .pass-picks {
    flex-direction: column;
  }

  .pass-picks .sales-button {
    width: 100%;
  }

  .sales-lead,
  .sales-section__lead {
    font-size: 14px;
  }

  .price-row,
  .curriculum-chapter summary,
  .lesson-item {
    grid-template-columns: 1fr;
  }

  .price-row__price {
    text-align: left;
  }

  .lesson-list {
    padding: 0 18px 20px;
  }

  .result-card {
    padding: 22px 0;
  }

  .result-pair,
  .result-pair--wide {
    grid-template-columns: 1fr;
  }

  .instructor-card {
    grid-template-columns: 1fr;
  }

  .convo-block {
    padding: 24px 18px;
  }

  .convo-bubble {
    max-width: none;
    font-size: 13px;
  }

  .program-list li {
    grid-template-columns: auto auto;
  }
}