/* Dusk workspace direction for the homepage. Loaded after the existing site styles. */
:root {
  --color-apple-blue: #315990;
  --color-link-blue: #315990;
  --color-signal-blue: #dbeaff;
  --color-frost: #f1f3f4;
  --color-ice: #f2efeb;
  --ai-void: #4c6d9a;
  --ai-panel: #55739a;
  --ai-line: rgba(255, 255, 255, 0.34);
  --ai-white: #fffaf5;
  --ai-muted: #e0e6ee;
  --radius-cards: 24px;
}

body {
  background: #315b9b;
  background-image: none;
}

.site-nav {
  width: min(1500px, calc(100% - 32px));
  margin: 16px auto 0;
  top: 16px;
  border: 1px solid var(--ai-line);
  border-radius: 20px;
  background: rgba(43, 65, 104, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: none;
}

.nav-inner { min-height: 58px; gap: 18px; }
.nav-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.04em;
}
.nav-links { gap: clamp(9px, 1.25vw, 22px); }
.nav-links a {
  color: #edf3f8;
  transition: color .2s ease, opacity .2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible { color: #fff; }

.hero {
  --hero-ink: var(--ai-white);
  --hero-gray: var(--ai-muted);
  --hero-gold: #f4f5f4;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  align-items: center;
  gap: clamp(18px, 3vw, 52px);
  min-height: min(930px, calc(100svh - 40px));
  padding: 52px max(24px, calc((100vw - 1400px) / 2));
  color: var(--ai-white);
  background: linear-gradient(180deg, #315b9b 0%, #6083af 35%, #a7b4b8 66%, #d2a183 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(25,51,91,.18), transparent 65%),
              radial-gradient(circle at 76% 44%, rgba(216,234,255,.23), transparent 38%);
}
.hero-watermark {
  left: auto;
  right: 4%;
  top: 12%;
  transform: none;
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(80px, 12vw, 180px);
  font-weight: 600;
  letter-spacing: -.09em;
  opacity: .07;
}
.hero-content {
  padding: 32px 0;
  max-width: 690px;
}
.hero-eyebrow {
  align-self: flex-start;
  padding: 9px 16px;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  color: #fff;
  background: rgba(51,79,119,.21);
  font-size: 12px;
  letter-spacing: .04em;
  margin-bottom: 26px;
}
.hero-headline {
  gap: 4px;
  margin-bottom: 26px;
  text-shadow: none;
}
.headline-serif,
.headline-script {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: 1.06;
}
.headline-serif { font-size: clamp(38px, 3.5vw, 56px); color: #f7f8fa; }
.headline-script { font-size: clamp(48px, 5vw, 78px); color: #fff; white-space: nowrap; }
.hero-bio {
  max-width: 560px;
  color: #edf2f4;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.75;
}
.hero-emphasis {
  font-family: var(--font-display);
  color: #fffaf5;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-cta-group { margin-bottom: 34px; gap: 10px; }
.btn-hero-primary,
.btn-hero-outline {
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: none;
  transition: transform .25s ease, background-color .25s ease, border-color .25s ease;
}
.btn-hero-primary::after,
.btn-hero-outline::after { content: "↗"; margin-left: 16px; font-size: 17px; line-height: 1; }
.btn-hero-primary { background: #fffaf5; border-color: #fffaf5; color: #29496f; }
.btn-hero-outline { background: rgba(255,255,255,.13); border-color: rgba(255,255,255,.55); color: #fff; backdrop-filter: blur(8px); }
.btn-hero-primary:hover,
.btn-hero-outline:hover { transform: translateY(-3px); opacity: 1; }
.btn-hero-primary:hover { background: #edf3fb; }
.btn-hero-outline:hover { background: rgba(255,255,255,.24); }
.btn-hero-primary:active,
.btn-hero-outline:active { transform: translateY(0); }

.hero .contact-grid {
  grid-column: 1 / -1;
  position: relative;
  z-index: 3;
  width: 100%;
  gap: 10px;
  margin-top: -24px;
}
.hero .contact-card {
  min-height: 112px;
  border: 1px solid var(--ai-line);
  border-radius: 16px;
  background: rgba(46,68,103,.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color .25s ease, transform .25s ease, border-color .25s ease;
}
.hero .contact-card:hover,
.hero .contact-card:focus-within {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.35);
  transform: translateY(-3px);
}
.hero .contact-card .contact-label { color: #e7eef5; }
.hero .contact-card .contact-value { color: #fff; }

.hero-visual {
  position: relative;
  width: 100%;
  height: clamp(570px, 51vw, 790px);
  min-width: 0;
  align-self: end;
  perspective: 1100px;
  transform-style: preserve-3d;
  transform: rotateX(var(--ai-tilt-x, 0deg)) rotateY(var(--ai-tilt-y, 0deg));
  transition: transform .45s ease;
}
.hero-workspace {
  position: absolute;
  z-index: 0;
  inset: 11% 4% 14% 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.40);
  border-radius: 30px;
  background: rgba(237,246,255,.14);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
  box-shadow: 0 20px 70px rgba(45,68,111,.12);
  transform: translateZ(-36px) rotateY(-5deg);
}
.hero-workspace-bar,
.hero-workspace-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #f7fbff;
  font: 600 10px/1.2 var(--font-text);
  letter-spacing: .12em;
}
.hero-workspace-bar {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,.30);
}
.hero-workspace-status { display: inline-flex; align-items: center; gap: 7px; }
.hero-workspace-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #e9f7ff;
  box-shadow: 0 0 11px rgba(255,255,255,.8);
}
.hero-workspace-steps {
  align-self: flex-start;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  color: #f6f9fc;
  opacity: .88;
}
.hero-workspace-steps span {
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.27);
  border-radius: 999px;
  background: rgba(42,72,112,.15);
}
.hero-visual-glow {
  position: absolute;
  width: 68%;
  aspect-ratio: 1;
  right: 7%;
  top: 17%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(234,244,255,.36), rgba(255,255,255,.12) 38%, transparent 72%);
  filter: blur(18px);
}
.hero-robot,
.hero-portrait {
  position: absolute;
  bottom: -52px;
  min-width: 0;
  max-width: none;
  margin: 0;
  pointer-events: none;
  will-change: transform;
}
.hero-robot {
  z-index: 1;
  width: 68%;
  height: 90%;
  right: -3%;
  animation: ai-robot-float 9s ease-in-out infinite;
}
.hero-robot img,
.hero-portrait .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}
.hero-portrait {
  z-index: 2;
  width: 67%;
  height: 91%;
  left: -5%;
  align-self: auto;
  animation: ai-human-float 8s ease-in-out infinite;
}
.hero-portrait .media-frame {
  width: 100%;
  height: 100%;
  overflow: visible;
  animation: none;
  filter: drop-shadow(18px 22px 22px rgba(46,61,89,.28));
}
.hero-visual-caption {
  position: absolute;
  z-index: 3;
  right: 2%;
  bottom: 18%;
  padding: 8px 12px;
  border: 1px solid var(--ai-line);
  border-radius: 999px;
  background: rgba(53,77,109,.52);
  backdrop-filter: blur(8px);
  font: 500 10px/1.2 var(--font-text);
  letter-spacing: .16em;
  color: #ddd;
}
.depth-scene { display: none; }

/* The rest of the homepage alternates dark showcases with readable light sections. */
#prep-teaser,
#dynamic-book,
#photos,
#portfolio-videos,
#video,
#reviews {
  color: #ededed;
  background: var(--ai-void);
  border-top: 1px solid rgba(255,255,255,.08);
}
#prep-teaser .section-heading,
#dynamic-book .section-heading,
#photos .section-heading,
#portfolio-videos .section-heading,
#video .section-heading,
#reviews .section-heading,
#prep-teaser .section-icon,
#dynamic-book .section-icon,
#photos .section-icon,
#portfolio-videos .section-icon,
#video .section-icon,
#reviews .section-icon { color: #f0f0f0; text-shadow: none; }
#prep-teaser .section-sub,
#dynamic-book .section-sub,
#photos .section-sub,
#portfolio-videos .section-sub,
#video .section-sub,
#reviews .section-sub,
#photos .gallery-caption { color: #b4b4b4; }
#prep-teaser .eyebrow,
#dynamic-book .eyebrow,
#photos .eyebrow,
#portfolio-videos .eyebrow,
#video .eyebrow,
#reviews .eyebrow {
  color: #c9c9c9;
  background: transparent;
  border: 1px solid var(--ai-line);
  letter-spacing: .08em;
}
#prep-teaser .quicklink-card {
  border-color: var(--ai-line);
  border-radius: 24px;
  background: rgba(255,255,255,.06);
  transition: background-color .25s ease, transform .25s ease, border-color .25s ease;
}
#prep-teaser .quicklink-card:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.36);
  transform: translateY(-4px);
}
#prep-teaser .quicklink-card-kakao .quicklink-name,
#prep-teaser .quicklink-card-kakao .quicklink-icon { color: #fff; }
#prep-teaser .quicklink-card-kakao .quicklink-desc { color: #b9b9b9; }
#dynamic-book .dynamic-book-card {
  border: 1px solid var(--ai-line);
  border-radius: 18px;
  box-shadow: none;
}
#dynamic-book .dynamic-book-overlay { background: rgba(0,0,0,.38); }
#dynamic-book .dynamic-book-btn {
  background: #f7f7f7;
  color: #111;
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: none;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 17px;
  transition: transform .25s ease, background-color .25s ease;
}
#dynamic-book .dynamic-book-card:hover .dynamic-book-btn { transform: translateY(-3px); background: #e3e3e3; }
#reviews .review-card { background: #171717; border-color: var(--ai-line); box-shadow: none; }
#portfolio-videos .portfolio-video-card,
#video .video-card { background: #171717; border-color: var(--ai-line); box-shadow: none; }
#reviews .review-cta .btn { background: #fff; color: #111; }

.course-section,
.book-section,
#schedule { background: #f4f4f4; }
.course-card { box-shadow: none; }
.site-footer { background: #0a0a0a; border-color: var(--ai-line); color: #ededed; }
.site-footer .footer-brand,
.site-footer .footer-col h5 { color: #fff; }
.site-footer .footer-col a,
.site-footer .footer-col p,
.site-footer .footer-fine { color: #a8a8a8; }
.kakao-float {
  color: #111;
  background: #fff;
  border: 1px solid #d7d7d7;
  box-shadow: 0 8px 28px rgba(0,0,0,.16);
}

/* Blue dusk and warm horizon surfaces from the supplied visual reference. */
#prep-teaser,
#photos,
#video {
  color: #294362;
  background: #e7edf0;
  border-top: 1px solid #d4dfe7;
}
#dynamic-book,
#portfolio-videos {
  color: #f7f9fc;
  background: linear-gradient(145deg, #4b70a4, #7e9ab3);
  border-top: 1px solid rgba(255,255,255,.23);
}
#reviews {
  color: #294362;
  background: linear-gradient(160deg, #d4b19b, #efdbca);
  border-top: 1px solid rgba(255,255,255,.55);
}
#prep-teaser .section-heading,
#photos .section-heading,
#video .section-heading,
#reviews .section-heading,
#prep-teaser .section-icon,
#photos .section-icon,
#video .section-icon,
#reviews .section-icon { color: #294362; }
#prep-teaser .section-sub,
#photos .section-sub,
#video .section-sub,
#reviews .section-sub,
#photos .gallery-caption { color: #586b80; }
#prep-teaser .eyebrow,
#photos .eyebrow,
#video .eyebrow,
#reviews .eyebrow {
  color: #335783;
  background: rgba(255,255,255,.52);
  border-color: rgba(65,93,131,.23);
}
#prep-teaser .quicklink-card {
  background: rgba(255,255,255,.55);
  border-color: rgba(255,255,255,.72);
  box-shadow: 0 12px 32px rgba(58,86,119,.06);
}
#prep-teaser .quicklink-card:hover {
  background: rgba(255,255,255,.82);
  border-color: #fff;
}
#prep-teaser .quicklink-card .quicklink-name,
#prep-teaser .quicklink-card .quicklink-icon,
#prep-teaser .quicklink-card .contact-icon { color: #294362; }
#prep-teaser .quicklink-card .quicklink-desc { color: #68798a; }
#dynamic-book .dynamic-book-overlay { background: rgba(34,58,91,.42); }
#dynamic-book .dynamic-book-btn {
  color: #29486d;
  background: #fff9f4;
  border-color: rgba(255,255,255,.75);
}
#dynamic-book .dynamic-book-card:hover .dynamic-book-btn { background: #eef5fb; }
#portfolio-videos .portfolio-video-card {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.42);
}
#video .video-card {
  background: rgba(255,255,255,.66);
  border-color: rgba(86,113,145,.18);
}
#reviews .review-card {
  background: rgba(255,255,255,.42);
  border-color: rgba(255,255,255,.68);
}
#reviews .review-quote,
#reviews .review-org-name { color: #2b4260; }
#reviews .review-org-role { color: #61768c; }
#reviews .review-org { border-color: rgba(59,83,111,.17); }
#reviews .review-cta .btn { background: #355b8b; color: #fff; }
.course-section,
.book-section,
#schedule { background: #f4f1ec; }
.btn-dark { background: #355b8b; color: #fff; }
.btn-dark:hover { background: #294a75; }
.site-footer {
  color: #f2f7fc;
  background: #365781;
  border-color: rgba(255,255,255,.20);
}
.site-footer .footer-col a,
.site-footer .footer-col p,
.site-footer .footer-fine { color: #d7e2ee; }
.kakao-float {
  color: #29486d;
  background: #fffaf5;
  border-color: rgba(255,255,255,.9);
}

@keyframes ai-robot-float {
  0%, 100% { transform: translate3d(0, 0, -24px) rotateY(-4deg); }
  50% { transform: translate3d(-6px, -13px, 10px) rotateY(3deg); }
}
@keyframes ai-human-float {
  0%, 100% { transform: translate3d(0, 0, 24px) rotateY(2deg); }
  50% { transform: translate3d(4px, -9px, 36px) rotateY(-2deg); }
}

@media (max-width: 1200px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .site-nav.open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    padding: 24px;
    background: rgba(53,80,121,.96);
    border: 1px solid var(--ai-line);
    border-radius: 20px;
  }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); }
  .hero-visual { height: 620px; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 0; padding: 56px 24px 0; }
  .hero-content { width: min(100%, 690px); max-width: none; margin: 0 auto; }
  .hero-visual { width: min(100%, 680px); height: 560px; margin: 0 auto; order: 2; }
  .hero-portrait { max-width: none; width: 65%; }
  .hero .contact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); margin: -8px auto 38px; width: min(100%, 690px); order: 3; }
}
@media (max-width: 600px) {
  .site-nav { width: calc(100% - 20px); margin-top: 10px; top: 10px; }
  .hero { padding: 42px 18px 0; }
  .hero-content { padding: 0; }
  .headline-serif { font-size: clamp(38px, 11vw, 54px); }
  .headline-script { font-size: clamp(38px, 11vw, 64px); }
  .hero-bio br { display: none; }
  .hero-visual { height: 420px; }
  .hero-workspace { inset: 10% 3% 13%; padding: 13px; border-radius: 20px; }
  .hero-workspace-bar { font-size: 8px; }
  .hero-workspace-steps { font-size: 8px; gap: 5px; }
  .hero-workspace-steps span { padding: 5px 8px; }
  .hero-robot { width: 69%; height: 88%; right: -7%; bottom: -20px; }
  .hero-portrait { width: 71%; height: 89%; left: -6%; bottom: -20px; }
  .hero-visual-caption { bottom: 20%; right: 0; }
  .hero .contact-grid { gap: 8px; }
  .hero .contact-card { padding: 12px; min-height: 105px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-visual { transform: none !important; transition: none !important; }
  .hero-robot,
  .hero-portrait { animation: none !important; transform: none !important; }
  .btn-hero-primary,
  .btn-hero-outline,
  .hero .contact-card,
  #prep-teaser .quicklink-card,
  #dynamic-book .dynamic-book-btn { transition: none !important; }
}
/* Make the book cover feel like a direct purchase action. */
.book-cover-main { display: block; border-radius: 16px; transition: transform .25s ease, box-shadow .25s ease; }
.book-cover-main:hover { transform: translateY(-5px); }
.book-cover-main:focus-visible { outline: 3px solid #315b9b; outline-offset: 6px; }

/* Highlight the preparation entry beside Resources. */
#prep-teaser .quicklink-card.quicklink-card-kakao {
  background: #fee500;
  border-color: #fee500;
  box-shadow: 0 14px 32px rgba(129, 105, 0, .16);
}
#prep-teaser .quicklink-card.quicklink-card-kakao:hover,
#prep-teaser .quicklink-card.quicklink-card-kakao:focus-visible {
  background: #ffe94a;
  border-color: #ffe94a;
  box-shadow: 0 18px 38px rgba(129, 105, 0, .22);
}
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-name,
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-icon { color: #252525; }
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-desc { color: #4c471b; }

/* Live classroom entry: same dusk-to-warm brand language as the classroom page. */
#live-class {
  position: relative;
  overflow: hidden;
  color: #fffaf5;
  background: linear-gradient(145deg, #315b9b 0%, #6083af 58%, #d2a183 130%);
  border-top: 1px solid rgba(255,255,255,.18);
}
#live-class::before {
  content: '';
  position: absolute;
  width: 460px;
  height: 460px;
  right: -150px;
  top: -220px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  background: rgba(34,58,91,.14);
  pointer-events: none;
}
#live-class .section-inner { position: relative; z-index: 1; }
#live-class .eyebrow {
  color: #fff;
  background: rgba(42,67,105,.38);
  border: 1px solid rgba(255,255,255,.32);
}
#live-class .section-heading,
#live-class .section-icon { color: #fffaf5; text-shadow: none; }
#live-class .section-sub { color: #e2eaf2; max-width: 760px; }
.live-course-card {
  max-width: 1120px;
  padding: clamp(19px, 2.4vw, 28px);
  display: block;
  align-items: center;
  color: #17243a;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 28px;
  background: rgba(255,250,245,.94);
  box-shadow: 0 24px 70px rgba(26,52,88,.18);
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.live-course-card:hover,
.live-course-card:focus-visible {
  transform: translateY(-5px);
  background: #fffaf5;
  box-shadow: 0 30px 82px rgba(26,52,88,.24);
  outline: none;
}
.live-course-copy { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "status cta" "title cta" "desc cta" "meta cta"; column-gap: 28px; align-items: center; }
.live-course-status {
  grid-area: status;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 9px;
  color: #315b9b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.live-course-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #62b880;
  box-shadow: 0 0 0 6px rgba(98,184,128,.13);
}
.live-course-copy h3 {
  grid-area: title;
  margin: 0;
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.12;
  letter-spacing: -.05em;
}
.live-course-copy > p {
  grid-area: desc;
  max-width: 620px;
  margin: 8px 0 12px;
  color: #586b80;
  font-size: 14px;
  line-height: 1.55;
}
.live-course-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.live-course-meta { grid-area: meta; }
.live-course-meta span {
  padding: 7px 11px;
  color: #315b9b;
  border: 1px solid rgba(49,91,155,.16);
  border-radius: 999px;
  background: #edf3f8;
  font-size: 11px;
  font-weight: 600;
}
.live-course-cta {
  grid-area: cta;
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  padding: 9px 15px;
  border-radius: 999px;
  background: #315b9b;
  font-size: 13px;
  font-weight: 700;
}
.live-course-cta b { font-size: 17px; transition: transform .2s ease; }
.live-course-card:hover .live-course-cta b { transform: translateX(4px); }
.live-course-preview {
  display: none;
  padding: 22px;
  color: #fff;
  border-radius: 23px;
  background: linear-gradient(155deg, #315b9b, #6e8eaf);
  box-shadow: 0 16px 36px rgba(49,91,155,.20);
}
.live-preview-top { display: flex; align-items: center; justify-content: space-between; }
.live-preview-top span { color: #dbe7f3; font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.live-preview-top { margin-bottom: 18px; }
.live-preview-top strong { font-size: 12px; letter-spacing: .08em; }
.live-preview-step { margin-top: 8px; padding: 10px 12px; display: grid; grid-template-columns: 24px 1fr auto; gap: 8px; align-items: center; border: 1px solid rgba(255,255,255,.13); border-radius: 12px; background: rgba(255,255,255,.08); }
.live-preview-step.is-current { background: rgba(255,255,255,.18); }
.live-preview-step span { color: #f3d0bb; font-size: 10px; font-weight: 700; }
.live-preview-step p { margin: 0; color: #eef4f8; font-size: 11px; }
.live-preview-step b { padding: 3px 6px; color: #315b9b; border-radius: 999px; background: #fffaf5; font-size: 8px; }
.live-course-instances { max-width: 1120px; margin-top: 12px; padding: 10px 12px 10px 16px; display: flex; align-items: center; gap: 14px; border: 1px solid rgba(255,255,255,.28); border-radius: 15px; background: rgba(35,61,96,.28); }
.live-course-instances > span { flex: 0 0 auto; color: #dce7f1; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.live-course-instances a { min-width: 0; flex: 1; padding: 9px 12px; display: flex; align-items: center; gap: 9px; color: #17243a; border-radius: 11px; background: rgba(255,250,245,.96); transition: transform .2s ease, background-color .2s ease; }
.live-course-instances a:hover, .live-course-instances a:focus-visible { transform: translateX(3px); background: #fff; outline: none; }
.live-course-instances b { font-size: 13px; }
.live-course-instances strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.live-course-instances small { color: #718095; font-size: 11px; white-space: nowrap; }
.live-course-instances i { margin-left: auto; color: #315b9b; font-size: 11px; font-style: normal; font-weight: 700; white-space: nowrap; }

@media (max-width: 760px) {
  .live-course-card { display: block; }
  .live-course-copy { display: block; }
  .live-course-cta { margin-top: 13px; }
}

@media (max-width: 520px) {
  #live-class { padding-left: 14px; padding-right: 14px; }
  .live-course-card { padding: 18px 16px; border-radius: 20px; }
  .live-course-copy h3 { font-size: 27px; }
  .live-course-copy > p { font-size: 13px; }
  .live-course-instances { align-items: stretch; flex-direction: column; gap: 7px; }
  .live-course-instances a { flex-wrap: wrap; }
  .live-course-instances small { width: 100%; padding-left: 22px; }
}

/* Unified MENPD design system: homepage and classroom share one visual language. */
:root {
  --brand-blue-deep: #315b9b;
  --brand-blue-mid: #6083af;
  --brand-blue-soft: #dbe7f3;
  --brand-blue-pale: #edf3f8;
  --brand-cream: #fffaf5;
  --brand-paper: #f7f5f2;
  --brand-peach: #d2a183;
  --brand-peach-soft: #f2ded1;
  --brand-ink: #17243a;
  --brand-muted: #607086;
  --brand-line: rgba(49, 91, 155, .16);
  --brand-shadow: 0 18px 48px rgba(41, 68, 104, .09);
  --ink: var(--brand-ink);
  --muted: var(--brand-muted);
  --line: var(--brand-line);
  --wash: var(--brand-blue-pale);
}

body { color: var(--brand-ink); background: var(--brand-paper); }
.site-nav { width: min(1180px, calc(100% - 32px)); }
.section-inner { max-width: 1180px; }
section:not(.hero) { padding-top: clamp(64px, 7vw, 92px); padding-bottom: clamp(64px, 7vw, 92px); }

.eyebrow,
#prep-teaser .eyebrow,
#dynamic-book .eyebrow,
#photos .eyebrow,
#portfolio-videos .eyebrow,
#video .eyebrow,
#reviews .eyebrow {
  color: var(--brand-blue-deep);
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  background: var(--brand-blue-pale);
  letter-spacing: .09em;
}

#prep-teaser,
#photos,
#video,
#schedule {
  color: var(--brand-ink);
  background: var(--brand-paper);
  border-top: 1px solid var(--brand-line);
}

#dynamic-book,
#portfolio-videos {
  color: var(--brand-ink);
  background: var(--brand-blue-pale);
  border-top: 1px solid var(--brand-line);
}

.course-section,
.book-section { background: var(--brand-cream); border-top: 1px solid var(--brand-line); }
#reviews { color: var(--brand-ink); background: var(--brand-peach-soft); border-top: 1px solid rgba(154,103,73,.13); }

#prep-teaser .section-heading,
#dynamic-book .section-heading,
#photos .section-heading,
#portfolio-videos .section-heading,
#video .section-heading,
#reviews .section-heading,
#prep-teaser .section-icon,
#dynamic-book .section-icon,
#photos .section-icon,
#portfolio-videos .section-icon,
#video .section-icon,
#reviews .section-icon { color: var(--brand-ink); text-shadow: none; }

#prep-teaser .section-sub,
#dynamic-book .section-sub,
#photos .section-sub,
#portfolio-videos .section-sub,
#video .section-sub,
#reviews .section-sub,
#photos .gallery-caption { color: var(--brand-muted); }

#prep-teaser .quicklink-card,
#prep-teaser .quicklink-card.quicklink-card-kakao {
  min-height: 142px;
  border: 1px solid var(--brand-line);
  border-radius: 20px;
  background: rgba(255,255,255,.78);
  box-shadow: var(--brand-shadow);
}
#prep-teaser .quicklink-card:hover,
#prep-teaser .quicklink-card:focus-visible,
#prep-teaser .quicklink-card.quicklink-card-kakao:hover,
#prep-teaser .quicklink-card.quicklink-card-kakao:focus-visible {
  background: #fff;
  border-color: rgba(49,91,155,.34);
  box-shadow: 0 22px 54px rgba(41,68,104,.13);
}
#prep-teaser .quicklink-card.quicklink-card-kakao { background: linear-gradient(145deg, #fff 0%, var(--brand-peach-soft) 145%); }
#prep-teaser .quicklink-card .quicklink-name,
#prep-teaser .quicklink-card .quicklink-icon,
#prep-teaser .quicklink-card .contact-icon,
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-name,
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-icon { color: var(--brand-ink); }
#prep-teaser .quicklink-card .quicklink-desc,
#prep-teaser .quicklink-card.quicklink-card-kakao .quicklink-desc { color: var(--brand-muted); }

#dynamic-book .dynamic-book-card,
.portfolio-grid .media-frame,
#portfolio-videos .portfolio-video-card,
#video .video-card,
#reviews .review-card,
.course-preview,
.course-card {
  border: 1px solid var(--brand-line);
  border-radius: 20px;
  box-shadow: var(--brand-shadow);
}
#dynamic-book .dynamic-book-overlay { background: rgba(33,56,88,.36); }
#dynamic-book .dynamic-book-btn { color: var(--brand-blue-deep); background: var(--brand-cream); border-color: rgba(255,255,255,.8); }
#portfolio-videos .portfolio-video-card,
#video .video-card { background: rgba(255,255,255,.82); border-color: var(--brand-line); }
#reviews .review-card { background: rgba(255,255,255,.68); border-color: rgba(255,255,255,.86); }
#reviews .review-quote,
#reviews .review-org-name { color: var(--brand-ink); }
#reviews .review-org-role { color: var(--brand-muted); }
#reviews .review-org { border-color: rgba(49,91,155,.14); }
#reviews .review-cta .btn { color: #fff; background: var(--brand-blue-deep); }

.course-card { background: rgba(255,255,255,.82); }
.course-stat-badge,
.btn-dark { color: #fff; background: var(--brand-blue-deep); }
.btn-dark:hover { background: #294a75; }
.book-highlights svg { color: var(--brand-blue-deep); }

.section-schedule .sc-badge {
  color: #fff;
  border-radius: 999px;
  background: var(--brand-blue-deep);
}
.section-schedule .sc-cal { border-color: var(--brand-line); box-shadow: var(--brand-shadow); }
.section-schedule .sc-ev { color: #315b72; background: var(--brand-blue-soft); }
.section-schedule .sc-ev.holiday { color: #7a4b34; background: var(--brand-peach-soft); }
.section-schedule .sc-legend .dot.lec { background: var(--brand-blue-mid); }
.section-schedule .sc-legend .dot.hol { background: var(--brand-peach); }

.site-footer { color: #f2f7fc; background: var(--brand-blue-deep); border-color: rgba(255,255,255,.20); }
.site-footer .footer-col a,
.site-footer .footer-col p,
.site-footer .footer-fine { color: #d7e2ee; }
.kakao-float { color: var(--brand-blue-deep); background: var(--brand-cream); border-color: rgba(49,91,155,.14); }

@media (max-width: 600px) {
  .site-nav { width: calc(100% - 20px); }
  section:not(.hero) { padding-left: 18px; padding-right: 18px; }
  #prep-teaser .quicklink-card,
  #prep-teaser .quicklink-card.quicklink-card-kakao { min-height: 0; }
}