/* buttons — toss.im marketing-web geometry (7px radius, 40-46px height), not the TDS Mobile 56px/16px control */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  font-size: 16.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary { height: 46px; background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--badge-bg); border-color: transparent; color: var(--badge-text); }
.btn-secondary:hover { background: #D9ECFF; }
.btn-ghost { background: transparent; color: var(--badge-text); padding: 0 4px; height: auto; }
.btn-block { width: 100%; }
.btn-sm { height: 34px; padding: 0 14px; font-size: 14.5px; }

/* badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 500;
  background: var(--badge-bg);
  color: var(--badge-text);
}
.badge-sky {
  background: var(--sky-badge-bg);
  color: var(--sky-badge-text);
  border: 1px solid var(--sky-badge-border);
}
.badge-outline {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

/* utility bar (sub header) */
.utility-bar { background: var(--color-primary); }
.utility-bar-inner { display: flex; justify-content: flex-end; align-items: center; gap: 18px; height: 32px; }
.utility-bar-inner a,
.utility-bar-inner button {
  background: none; border: none; padding: 0; font-family: inherit;
  font-size: 13px; color: rgba(255,255,255,.7); cursor: pointer;
}
.utility-bar-inner a:hover,
.utility-bar-inner button:hover { color: #fff; }
@media (max-width: 1023px) { .utility-bar { display: none; } }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; font-size: 19.5px; color: var(--color-primary); }
.logo img { height: 28px; width: auto; }

.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav > ul { display: flex; height: 100%; }
.main-nav > ul > li { height: 100%; display: flex; align-items: center; position: relative; }
.nav-top-link {
  padding: 0 18px;
  height: 100%;
  display: flex;
  align-items: center;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
}
.nav-top-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-blue);
}

/* 통합 메가메뉴 — 최상위 메뉴 중 아무 항목에 마우스를 올려도 전체 카테고리가 한 패널에 다 보임 */
.mega-menu-full {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 16px 32px rgba(0,0,0,0.08);
  display: none;
}
.mega-menu-full.open { display: block; }
.mega-menu-full-inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 28px;
  padding: 32px 0;
}
.mega-col-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.mega-col-title:hover { color: var(--color-blue); }
.mega-col-group { margin-bottom: 16px; }
.mega-col-group:last-child { margin-bottom: 0; }
.mega-col-group-title {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text);
  padding: 3px 0;
}
.mega-col-group-title:hover { color: var(--color-blue); }
.mega-col-sub {
  display: flex;
  flex-direction: column;
  margin-top: 4px;
  padding-left: 10px;
  border-left: 1px solid var(--color-border);
}
.mega-col-sub a {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  padding: 4px 0 4px 10px;
}
.mega-col-sub a:hover { color: var(--color-blue); }

@media (max-width: 1023px) { .mega-menu-full { display: none !important; } }

.header-actions { display: flex; align-items: center; gap: 14px; }
.icon-btn { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--radius-sm); color: var(--color-text); position: relative; }
.icon-btn:hover { background: var(--color-bg-tint); }
.cart-count {
  position: absolute;
  top: 2px; right: 2px;
  background: var(--color-primary);
  color: #fff;
  font-size: 11.5px;
  min-width: 15px; height: 15px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.mobile-menu-btn { display: none; background: none; border: none; padding: 8px; }

@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-actions .btn-secondary { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}
.mobile-nav.open { display: block; }
.mobile-nav .backdrop { position: absolute; inset: 0; background: rgba(0,12,30,0.4); }
.mobile-nav .drawer {
  position: absolute;
  top: 0; right: 0;
  width: 84%;
  max-width: 340px;
  height: 100%;
  background: #fff;
  padding: 20px;
  overflow-y: auto;
}
.mobile-nav .drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.mobile-group { border-bottom: 1px solid var(--color-border); padding: 10px 0; }
.mobile-group-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 16.5px;
  padding: 8px 4px;
  cursor: pointer;
}
.mobile-sub { display: none; flex-direction: column; padding-left: 12px; }
.mobile-group.open .mobile-sub { display: flex; }
.mobile-group.open .mobile-chevron { transform: rotate(180deg); }
.mobile-subgroup { padding: 2px 0; }
.mobile-subgroup > a { display: block; padding: 9px 4px; font-size: 15.5px; font-weight: 600; color: var(--color-text-secondary); }
.mobile-subsub { display: flex; flex-direction: column; padding-left: 12px; border-left: 1px solid var(--color-border); margin: 2px 0 4px; }
.mobile-subsub a { padding: 7px 4px; font-size: 14px; color: var(--color-text-muted); }

/* 데스크톱 utility-bar(로그인/My Page/수업료)는 1024px 미만에서 숨겨지므로, 모바일 드로어 하단에
   같은 항목을 다시 노출해 좁은 화면에서도 빠짐없이 접근 가능하게 함 */
.mobile-utility { display: flex; gap: 16px; padding: 14px 4px 4px; margin-top: 6px; border-top: 1px solid var(--color-border); }
.mobile-utility button,
.mobile-utility a { background: none; border: none; padding: 0; font: inherit; font-size: 15px; color: var(--color-text-secondary); cursor: pointer; }

/* hero */
.hero { padding: 64px 0 40px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 { margin-bottom: 16px; }
.hero-copy p { color: var(--color-text-secondary); font-size: 17.5px; margin-bottom: 28px; max-width: 480px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  aspect-ratio: 4/3;
  background: var(--color-bg-tint);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 14.5px;
  border: 1px solid var(--color-border);
}
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; aspect-ratio: 16/9; }
}

/* AP 특강 히어로: 은은한 배경 타이포 + 살짝 기울어진 표지 카드 */
.ap-hero { position: relative; overflow: hidden; }
.ap-hero .ghost-type {
  position: absolute; top: -10px; right: -2%;
  font-size: clamp(70px, 13vw, 168px); font-weight: 800; line-height: .86; letter-spacing: -4px;
  color: var(--color-bg-tint); text-align: right; z-index: 0; pointer-events: none; user-select: none;
}
.ap-hero .container { position: relative; z-index: 1; }

.ap-poster-cover { perspective: 1400px; position: relative; padding-bottom: 26px; max-width: 270px; margin: 0 auto; }
.ap-poster-cover .page-stack { position: absolute; inset: 0 0 26px 0; z-index: 0; }
.ap-poster-cover .page-stack span { position: absolute; inset: 0; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: 0 2px 10px rgba(20, 15, 50, .1); }
.ap-poster-cover .page-stack span:nth-child(1) { transform: rotate(-4deg) translate(6px, 8px); opacity: .9; }
.ap-poster-cover .page-stack span:nth-child(2) { transform: rotate(-4deg) translate(11px, 15px); opacity: .65; }
.ap-poster-cover .page-flip {
  position: absolute; left: 6%; bottom: 0; width: 44%; height: 52px; z-index: 0;
  background: linear-gradient(180deg, var(--color-bg), var(--color-bg-tint));
  clip-path: polygon(0 0, 100% 0, 86% 100%, 0 78%);
  transform: rotate(-4deg);
  box-shadow: 0 8px 16px rgba(20, 15, 50, .12);
}
.ap-cover-card {
  position: relative; z-index: 1; display: block; aspect-ratio: 891/1260;
  border-radius: var(--radius-md); overflow: hidden;
  transform: rotate(-4deg) rotateY(6deg);
  box-shadow: 18px 24px 46px rgba(20, 15, 50, .22), 0 4px 14px rgba(20, 15, 50, .12);
  transition: transform .35s ease;
}
.ap-poster-cover:hover .ap-cover-card { transform: rotate(-2deg) rotateY(3deg) translateY(-4px); }
.ap-cover-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 1023px) {
  .ap-hero .ghost-type { font-size: clamp(50px, 17vw, 90px); }
  .ap-poster-cover { max-width: 280px; margin: 0 auto; order: -1; }
}

/* trust bar */
.trust-bar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.trust-item {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  color: var(--color-text-secondary);
}
.trust-item strong { color: var(--color-primary); }

/* roadmap */
.roadmap { display: flex; gap: 0; overflow-x: auto; padding-bottom: 8px; }
.roadmap-step {
  flex: 1 0 190px;
  padding: 20px 18px;
  position: relative;
}
.roadmap-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 34px; right: -4px;
  width: 24px; height: 1px;
  background: var(--color-border-strong);
}
.roadmap-index {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14.5px; font-weight: 600;
  margin-bottom: 14px;
}
.roadmap-step h4 { margin-bottom: 6px; }
.roadmap-step ul { display: flex; flex-direction: column; gap: 4px; }
.roadmap-step li { font-size: 14px; color: var(--color-text-secondary); }
@media (max-width: 767px) {
  .roadmap { flex-direction: column; }
  .roadmap-step:not(:last-child)::after { display: none; }
}

/* cards grid */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1023px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--color-border-strong); }

.course-card .thumb {
  aspect-ratio: 16/9;
  background: var(--color-bg-tint);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 13.5px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.course-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-card .body { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.course-card .badge { border-radius: var(--radius-md); justify-content: flex-start; }
.course-card h3 { font-size: 16.5px; }
.course-card .meta { font-size: 14px; color: var(--color-text-secondary); display: flex; align-items: center; gap: 6px; }
.t-avatar { width: 20px; height: 20px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--color-bg-tint); }
.t-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.t-avatar-lg { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--color-bg-tint); }
.t-avatar-lg img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
/* 링크 문구가 짧은 "자세히 >"에서 "Syllabus 및 Sample 강의 보러가기"로 길어져서, 가격과 한 줄에
   안 들어가면 다음 줄로 자연스럽게 내려가도록 wrap 처리 (pd-course-link와 동일한 방식) */
.course-card .foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 8px; margin-top: 4px; font-size: 14.5px; }
.course-card .foot .price { font-weight: 600; color: var(--color-primary); }

.bullet-list { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bullet-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 15px; color: var(--color-text-secondary); }
.bullet-list li i { color: var(--badge-text); flex-shrink: 0; margin-top: 2px; }

.textbook-card .cover {
  aspect-ratio: 3/4;
  background: var(--color-bg-tint);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 13.5px;
}
.textbook-card .body { padding: 14px; }
.textbook-card h4 { font-size: 15.5px; margin-bottom: 4px; }
.textbook-card .meta { font-size: 13.5px; color: var(--color-text-secondary); }

.teacher-card { text-align: center; display: block; border-radius: var(--radius-md); transition: transform .15s; }
a.teacher-card:hover { transform: translateY(-3px); }
a.teacher-card:hover h4 { color: var(--color-blue); }
.teacher-card .avatar {
  aspect-ratio: 1/1;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-bg-tint);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 13.5px;
  margin: 0 auto 12px;
  width: 148px;
  position: relative;
}
.teacher-card .avatar img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.teacher-card .avatar-initials {
  width: 100%; height: 100%; align-items: center; justify-content: center;
  background: var(--badge-bg); color: var(--color-blue);
  font-weight: 700; font-size: 28px; letter-spacing: .02em;
}
.teacher-card h4 { font-size: 15.5px; transition: color .15s; }
.teacher-card p { font-size: 14px; color: var(--color-text-secondary); }
.teacher-contents { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; text-align: left; }
.teacher-contents .tc-row { font-size: 13px; line-height: 1.5; color: var(--color-text-secondary); }
.teacher-contents .tc-row b { display: block; color: var(--color-text); font-weight: 600; }

.review-card { padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.review-card .quote { font-size: 15.5px; color: var(--color-text); margin-bottom: 12px; }
.review-card .who { font-size: 14px; color: var(--color-text-secondary); }

/* pass compare */
.pass-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pass-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 28px; }
.pass-card.featured { border: 2px solid var(--color-blue); position: relative; }
.pass-card h3 { margin-bottom: 6px; }
.pass-card .desc { color: var(--color-text-secondary); font-size: 15px; margin-bottom: 18px; }
.pass-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.pass-card li { font-size: 15px; display: flex; gap: 8px; align-items: flex-start; }
.pass-card li i { color: var(--color-blue); margin-top: 2px; }
@media (max-width: 767px) { .pass-compare { grid-template-columns: 1fr; } }

/* one point purpose cards */
.purpose-card { padding: 22px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.purpose-card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--badge-bg); color: var(--color-blue); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.purpose-card h4 { margin-bottom: 6px; }
.purpose-card p { font-size: 14.5px; color: var(--color-text-secondary); }

/* tutoring split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 1023px) { .split { grid-template-columns: 1fr; gap: 28px; } }

/* wiki section */
.wiki-section { background: var(--color-bg-tint); border-radius: var(--radius-md); padding: 48px; }
.wiki-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 28px 0; }
@media (max-width: 767px) { .wiki-grid { grid-template-columns: repeat(2, 1fr); } .wiki-section { padding: 28px 20px; } }
.wiki-feature { background: #fff; border-radius: var(--radius-sm); padding: 16px; }
.wiki-feature i { color: var(--color-blue); font-size: 21.5px; }
.wiki-feature h4 { font-size: 15px; margin-top: 10px; }

.chat-preview { background: #fff; border-radius: var(--radius-md); padding: 16px; margin-bottom: 20px; }
.chat-bubble { max-width: 72%; padding: 10px 14px; border-radius: 14px; font-size: 15px; margin-bottom: 10px; }
.chat-bubble.user { background: var(--color-primary); color: #fff; border-radius: 14px 14px 2px 14px; margin-left: auto; }
.chat-bubble.ai { background: var(--color-bg-tint); border-radius: 14px 14px 14px 2px; }
.chat-bubble.ai .source { display: block; margin-top: 6px; font-size: 12.5px; color: var(--color-text-muted); }

/* faq accordion */
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 4px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.accordion-trigger i.ti-chevron-down { transition: transform 0.2s ease; color: var(--color-text-muted); flex-shrink: 0; margin-left: 12px; }
.accordion-item.open .accordion-trigger i.ti-chevron-down { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.2s ease; }
.accordion-item.open .accordion-panel { max-height: 400px; }
.accordion-panel-inner { padding: 0 4px 18px; font-size: 15px; color: var(--color-text-secondary); }

/* final cta */
.final-cta { background: var(--color-primary); border-radius: var(--radius-md); padding: 56px; text-align: center; }
.final-cta h2 { color: #fff; margin-bottom: 10px; }
.final-cta p { color: rgba(255,255,255,0.7); margin-bottom: 26px; }
.final-cta .btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; }
.final-cta .btn-secondary:hover { background: rgba(255,255,255,0.1); }
.final-cta .btn-primary { background: #fff; color: var(--color-primary); }
.final-cta .btn-primary:hover { background: var(--badge-bg); }

/* footer */
.site-footer { background: #000C1E; color: rgba(255,255,255,0.7); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; margin-bottom: 40px; }
.footer-col h5 { color: #fff; font-size: 14.5px; margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 14.5px; color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: #fff; }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,0.5); margin-top: 6px; max-width: 300px; line-height: 1.7; }
.footer-brand p:first-of-type { margin-top: 12px; }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; margin-top: 8px; }
.footer-legal p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,0.45); }
.footer-bottom { padding-top: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13.5px; color: rgba(255,255,255,0.5); }

/* {{TBD:...}} placeholder marker — flagged for the person filling in real numbers */
.tbd { background: #fff3b0; color: #6b5300; padding: 1px 5px; border-radius: 3px; font-weight: 600; }
@media (max-width: 1023px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* breadcrumb */
.breadcrumb { font-size: 14px; color: var(--color-text-muted); margin-bottom: 10px; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* filter bar */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-pill {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: #fff;
  font-size: 14.5px;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.filter-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* course detail layout */
.detail-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 32px; align-items: flex-start; }
@media (max-width: 1023px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-media { aspect-ratio: 16/9; background: var(--color-bg-tint); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); font-size: 14.5px; margin-bottom: 20px; border: 1px solid var(--color-border); }
.detail-title h1 { font-size: 28px; margin-bottom: 6px; }
.detail-title .meta { font-size: 15px; color: var(--color-text-secondary); display: flex; align-items: center; gap: 8px; }

.tabs { display: flex; gap: 8px; margin: 24px 0 20px; border-bottom: 1px solid var(--color-border); overflow-x: auto; }
.tab-btn {
  padding: 10px 4px;
  margin-right: 20px;
  background: none; border: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.curriculum-item { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 15px; }
.curriculum-item:last-child { border-bottom: none; }
.curriculum-item .lessons { color: var(--color-text-muted); font-size: 14px; flex-shrink: 0; }
.curriculum-item .curriculum-title { font-weight: 600; }
.curriculum-item .curriculum-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; margin-top: 4px; }

.purchase-card { position: sticky; top: 96px; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.purchase-card .price { font-size: 23.5px; font-weight: 700; color: var(--color-primary); }
.purchase-card .price .unit { font-size: 13.5px; font-weight: 400; color: var(--color-text-muted); }
.purchase-card .actions { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.textbook-suggest { border-top: 1px solid var(--color-border); padding-top: 14px; font-size: 14.5px; }
.textbook-suggest label { display: flex; align-items: center; gap: 8px; cursor: pointer; }

/* modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,12,30,0.45);
  display: none;
  align-items: center; justify-content: center;
  z-index: 300;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius-md); padding: 28px; max-width: 420px; width: 100%; }
.modal-box.modal-box-lg { max-width: 560px; }
.modal-box h3 { margin-bottom: 10px; }
.modal-box p { font-size: 15px; color: var(--color-text-secondary); margin-bottom: 18px; }
.modal-item { display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 18px; }
.modal-item .cover { width: 44px; height: 58px; background: var(--color-bg-tint); border-radius: 4px; flex-shrink: 0; }
.modal-item .info h4 { font-size: 15px; }
.modal-item .info p { font-size: 13.5px; color: var(--color-text-muted); margin: 0; }
.modal-actions { display: flex; gap: 10px; }

/* tutoring steps */
.steps-row { display: flex; align-items: flex-start; margin-bottom: 40px; }
.step { display: flex; flex-direction: column; align-items: center; flex: 1; text-align: center; }
.step-circle { width: 30px; height: 30px; border-radius: 50%; background: var(--color-bg-tint); color: var(--color-text-secondary); display: flex; align-items: center; justify-content: center; font-size: 14.5px; font-weight: 600; margin-bottom: 8px; }
.step.active .step-circle { background: var(--color-primary); color: #fff; }
.step p { font-size: 14px; color: var(--color-text-secondary); }
.step-line { flex: 0.5; height: 1px; background: var(--color-border-strong); margin-top: 15px; }
@media (max-width: 767px) {
  .steps-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .step { flex-direction: row; text-align: left; gap: 10px; }
  .step-circle { margin-bottom: 0; flex-shrink: 0; }
  .step-line { display: none; }
}

/* form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14.5px; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  padding: 11px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 15.5px;
  background: #fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}
.form-field textarea { resize: vertical; min-height: 90px; }
.radio-group { display: flex; gap: 16px; }
.radio-group label { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 400; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.info-box { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px; margin-bottom: 14px; background: #fff; }
.info-box h4 { margin-bottom: 8px; }
.info-box p, .info-box li { font-size: 15px; color: var(--color-text-secondary); }
.info-box ul { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }

/* compare section */
.compare-list { display: flex; flex-direction: column; gap: 12px; }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 32px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.compare-old, .compare-new { display: flex; flex-direction: column; gap: 6px; font-size: 15.5px; }
.compare-old { color: var(--color-text-secondary); }
.compare-new { color: var(--color-text); font-weight: 500; }
.compare-tag { font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em; }
.compare-old .compare-tag { color: var(--color-text-muted); }
.compare-new .compare-tag { color: var(--color-blue); }
.compare-arrow { color: var(--color-border-strong); font-size: 19.5px; justify-self: center; }
@media (max-width: 640px) {
  .compare-row { grid-template-columns: 1fr; gap: 10px; }
  .compare-arrow { display: none; }
  .compare-new { padding-top: 10px; border-top: 1px dashed var(--color-border); }
}

/* roadmap program tag */
.program-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-blue);
  letter-spacing: 0.02em;
  margin-right: 6px;
}
.program-tag i { font-size: 13.5px; }
.program-legend { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }

/* roadmap pain line */
.roadmap-pain {
  display: flex;
  gap: 6px;
  font-size: 14px;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}
.roadmap-pain i { flex-shrink: 0; margin-top: 2px; color: var(--color-border-strong); font-style: normal; }

.form-success { display: none; text-align: center; padding: 60px 20px; }
.form-success.show { display: block; }
.form-success i { font-size: 43px; color: var(--color-blue); margin-bottom: 16px; }

/* AI wiki chat cta row */
.wiki-cta-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* === renewal copy: new/updated section styles === */
.hero-sub { font-size: 17.5px; color: var(--color-text); font-weight: 500; margin-top: 14px; line-height: 1.6; }
.hero-lead { font-size: 15.5px; color: var(--color-text-secondary); margin-top: 10px; line-height: 1.6; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.cta-row .btn { height: 46px; }

.qa-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .qa-grid { grid-template-columns: 1fr; } }
.qa-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.qa-card .axis { font-size: 12.5px; font-weight: 700; color: var(--color-blue); letter-spacing: 0.02em; margin-bottom: 8px; display: block; }
.qa-card .q { font-weight: 600; font-size: 16.5px; margin-bottom: 10px; color: var(--color-text); }
.qa-card p { font-size: 15px; color: var(--color-text-secondary); margin-bottom: 10px; line-height: 1.6; }
.qa-card .proof { font-size: 14.5px; color: var(--color-text); font-weight: 600; margin-bottom: 10px; }
.qa-card a.qa-link { font-size: 14.5px; color: var(--badge-text); font-weight: 600; }

.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 700px) { .results-grid { grid-template-columns: 1fr; } }
.result-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.score-rows { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; }
.score-row { display: flex; justify-content: space-between; font-size: 16.5px; font-weight: 600; padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.score-row:last-child { border-bottom: none; }
.footnote { font-size: 13px; color: var(--color-text-muted); margin-top: 8px; }

.maker-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 24px 0; }
@media (max-width: 560px) { .maker-stats { grid-template-columns: 1fr; } }
.maker-stat { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 16px; font-size: 15px; font-weight: 600; text-align: center; }
.founder-block, .review-block { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; margin-top: 16px; }

.textbook-lines, .syllabus-lines { display: flex; flex-direction: column; gap: 8px; font-size: 15px; color: var(--color-text-secondary); margin: 12px 0; }

.roadmap-resolution { font-size: 14.5px; color: var(--color-text); font-weight: 500; margin: 4px 0 12px; }

/* === main page rebuild (2026-08): stats card, faculty teaser, program tabs, grade roadmap, mission === */
.stats-card { background: #fff; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); padding: 28px 30px 22px; }
.stats-card .sc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.stats-card .sc-top .t { font-size: 22.5px; font-weight: 700; color: var(--color-text); }
.stats-card .t-accent { color: var(--color-blue); }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 20px; }
.stat .num { font-size: clamp(24px, 3vw, 32px); font-weight: 700; color: var(--color-blue); line-height: 1; }
.stat .num small { font-size: .46em; font-weight: 700; margin-left: 2px; }
.stat .cap { margin-top: 6px; font-size: 14.5px; color: var(--color-text-secondary); font-weight: 500; }
.stats-foot { margin-top: 20px; padding-top: 14px; font-size: 13px; color: var(--color-text); text-align: right; line-height: 1.7; }
.stats-card .stats-year { margin-bottom: 16px; }
.stats-card .stats-year:last-of-type { margin-bottom: 0; }
.stats-card .stats-year-label { display: flex; align-items: center; gap: 8px; font-size: 19.5px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.stats-card .stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stats-card .stat-box { background: var(--color-sky); border-radius: 8px; padding: 12px 12px; }
.stats-card .stat-box .label { font-size: 16px; color: var(--color-text); font-weight: 500; }
.stats-card .stat-box .value { font-size: 17.5px; font-weight: 700; color: var(--color-blue); margin-top: 4px; }
.stats-card .stat-box.wide { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; }
.stats-card .stat-box.wide .value { margin-top: 0; }

.fac-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.fac-grid-main { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 640px) { .fac-grid-main { grid-template-columns: repeat(2, 1fr); } }

#faculty { background: #F9FAFB; }
.fac { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.fac .photo { aspect-ratio: 1/1; background: var(--color-bg-tint); display: flex; align-items: center; justify-content: center; color: var(--color-blue); font-size: 32px; font-weight: 700; overflow: hidden; }
.fac .photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.fac .body { padding: 14px 16px; }
.fac .subj { font-size: 12.5px; color: var(--color-blue); letter-spacing: .3px; margin-bottom: 5px; font-weight: 600; }
.fac .who { font-size: 17.5px; font-weight: 600; color: var(--color-text); }
.fac .who-en { display: block; font-size: 12.5px; font-weight: 500; color: var(--color-text-muted); margin-top: 2px; }

.fac-card { aspect-ratio: 1/1; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.fac-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fac-note { margin-top: 22px; text-align: center; font-size: 14.5px; color: var(--color-text-muted); }
.fac-note a { color: var(--badge-text); font-weight: 600; }

.explore-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-bottom: 18px; }
.exp-tab { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px 22px 20px; min-height: 128px; display: flex; flex-direction: column; justify-content: center; cursor: pointer; text-align: left; background: #fff; font-family: inherit; }
.exp-tab .lab { font-size: 14px; color: var(--color-text-muted); margin-bottom: 8px; }
.exp-tab h3 { font-size: 20.5px; font-weight: 600; color: var(--color-text); line-height: 1.3; }
.exp-tab-sub { font-size: 80%; }
.exp-tab[aria-selected="true"] { background: var(--color-primary); border-color: var(--color-primary); }
.exp-tab[aria-selected="true"] .lab { color: rgba(255,255,255,.6); }
.exp-tab[aria-selected="true"] h3 { color: #fff; }
.exp-tab .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--badge-bg); color: var(--color-blue); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.exp-tab[aria-selected="true"] .icon { background: rgba(255,255,255,.15); color: #fff; }

.purpose-detail { padding: 28px 30px; border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-top: 18px; }
.purpose-detail[hidden] { display: none; }
.purpose-detail .icon { width: 44px; height: 44px; border-radius: 10px; background: var(--badge-bg); color: var(--color-blue); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 19.5px; }
.purpose-detail h3 { font-size: 20.5px; margin-bottom: 8px; }
.purpose-detail p { font-size: 16px; color: var(--color-text-secondary); line-height: 1.6; }
.purpose-detail ul { display: flex; flex-direction: column; gap: 6px; margin: 10px 0 0; }
.purpose-detail li { font-size: 16px; color: var(--color-text); font-weight: 500; }

.ia-block { margin-top: 18px; }
.ia-block:first-of-type { margin-top: 14px; }
.ia-block-label { font-size: 19.5px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.ia-block .steps-row { margin-bottom: 12px; }
.ia-block .step p { font-size: 13.5px; line-height: 1.5; }
.step-duration { color: var(--color-blue); font-weight: 700; font-size: 21.5px; text-align: center; }
.ia-block .rm-card .desc { text-align: center; margin-top: 8px; }
.ia-total { font-size: 15.5px; font-weight: 600; color: var(--color-blue); }

.exam-mindmap { max-width: 440px; margin: 20px auto 0; }
.exam-mindmap-outer { fill: var(--color-sky); fill-opacity: .5; stroke: var(--color-blue); stroke-width: 2; }
.exam-mindmap-outer-label { fill: var(--color-text); font-size: 26px; font-weight: 700; font-family: inherit; }
.exam-mindmap-line { stroke: var(--color-border-strong); stroke-width: 2; }
.exam-mindmap-node { fill: #fff; stroke: var(--sky-badge-border); stroke-width: 1.5; }
.exam-mindmap-node-text { fill: var(--color-text); font-size: 13.5px; font-weight: 600; font-family: inherit; }
.exam-mindmap-center { fill: var(--color-blue); }
.exam-mindmap-center-text { fill: #fff; font-size: 17.5px; font-weight: 700; font-family: inherit; }

.program-panel { border-radius: var(--radius-md); padding: 32px 34px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; align-items: center; background: var(--color-primary); color: #fff; }
.program-panel[hidden] { display: none; }
.program-panel h3 { color: #fff; font-size: 23.5px; margin-bottom: 8px; }
.program-panel .price { font-size: 15px; font-weight: 500; color: rgba(255,255,255,.85); line-height: 1.6; margin-bottom: 10px; }
.program-panel p { font-size: 15.5px; color: rgba(255,255,255,.8); line-height: 1.6; }
.program-panel .feats { display: flex; flex-direction: column; gap: 10px; }
.program-panel .f { display: flex; gap: 10px; font-size: 15px; color: #fff; }
.program-panel .f i { flex-shrink: 0; margin-top: 2px; color: #8fb8ff; }
.program-panel .more { display: inline-flex; align-items: center; gap: 4px; margin-top: 16px; font-size: 14.5px; font-weight: 600; color: #8fb8ff; }
.program-panel .more:hover { color: #fff; }
@media (max-width: 720px) { .program-panel { grid-template-columns: 1fr; padding: 26px; } }

/* Roadmap section (2026-08 redesign) */
.roadmap-section {
  --rm-bg: #ffffff;
  --rm-bg-soft: #f5f5f7;
  --rm-ink: #1d1d1f;
  --rm-ink-3: #6e6e73;
  --rm-ink-4: #86868b;
  --rm-line: #e5e5e7;
  --rm-line-2: #d2d2d7;
  --rm-accent: #0071e3;
  --rm-accent-soft: #f2f7fe;
  --rm-accent-line: #cfe3fb;
  --rm-amber: #c77700;
}
.roadmap-section .kick { font-size: 13.5px; font-weight: 700; letter-spacing: 2px; color: var(--rm-ink-4); text-transform: uppercase; margin-bottom: 14px; }
.roadmap-section .sec-head { margin-bottom: 48px; }
.roadmap-section .sec-head p { margin-top: 14px; font-size: 17.5px; color: var(--rm-ink-3); }

/* 학습 단계 스테퍼 — 번호 원 + 연결선으로 "지금 내 상황"을 한눈에 고르게 함 */
.rm-stepper { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-bottom: 4px; }
.rm-stepper-line { position: absolute; top: 17px; left: 12.5%; right: 12.5%; height: 2px; background: var(--rm-line); z-index: 0; }
.rm-stepper-line-fill { height: 100%; width: 0%; background: var(--rm-accent); transition: width .3s ease; }
.rm-step {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px;
  background: none; border: none; font-family: inherit; cursor: pointer;
  padding: 0 4px 14px;
}
.rm-step-num {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--rm-bg); border: 2px solid var(--rm-line-2);
  font-size: 15.5px; font-weight: 700; color: var(--rm-ink-3);
  transition: background .2s, border-color .2s, color .2s;
}
.rm-step-title { font-size: 16.5px; font-weight: 700; color: var(--rm-ink-3); transition: color .2s; letter-spacing: -.3px; }
.rm-step-sub { font-size: 13px; color: var(--rm-ink-4); }
.rm-step.on .rm-step-num { background: var(--rm-accent); border-color: var(--rm-accent); color: #fff; }
.rm-step.on .rm-step-title { color: var(--rm-ink); }
.rm-step:hover:not(.on) .rm-step-num { border-color: var(--rm-accent); color: var(--rm-accent); }
.rm-step:hover:not(.on) .rm-step-title { color: var(--rm-ink); }

.panels-wrap { border-top: 1px solid var(--rm-line); }
.rpanel { display: none; padding: 32px 0 4px; }
.rpanel.on { display: block; animation: rm-panel-in .35s ease; }
@keyframes rm-panel-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.panel-label { font-size: 13.5px; font-weight: 500; color: var(--rm-accent); letter-spacing: .3px; margin-bottom: 20px; }

.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rm-card { display: block; border: 1px solid var(--rm-line); border-radius: 14px; padding: 22px 24px; background: var(--rm-bg); transition: border-color .2s, transform .2s; }
.rm-card:hover { border-color: var(--rm-line-2); transform: translateY(-2px); }
/* Pre-IB/AP · DP1 · DP2 카드는 평소엔 흰색으로 깔끔하게, 마우스를 올렸을 때만 강조색이 들어옴 */
.rm-card.feat { border-color: var(--rm-line); background: var(--rm-bg); }
.rm-card.feat:hover { border: 1.5px solid var(--rm-accent); background: var(--rm-accent-soft); }
.rm-card.soon { border: 1px dashed var(--rm-line-2); background: var(--rm-bg-soft); }
.rm-card.full { grid-column: 1/-1; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.rm-card .name { font-size: 18px; font-weight: 700; color: var(--rm-ink); margin-bottom: 6px; }
.rm-card .desc { font-size: 14.5px; color: var(--rm-ink-3); line-height: 1.6; }
.rm-card .open-badge { font-size: 13.5px; color: var(--rm-amber); font-weight: 500; white-space: nowrap; flex-shrink: 0; }
.rm-card-icon, .pass-combined .rm-card-icon {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--rm-accent-soft); color: var(--rm-accent); font-size: 17.5px;
  margin-bottom: 12px;
}
.rm-card.feat:hover .rm-card-icon,
.rm-card.ap-card:hover .rm-card-icon,
.rm-card.special:hover .rm-card-icon { background: #fff; }
.rm-card.medical-card .rm-card-icon { background: var(--rm-bg-soft); color: var(--rm-ink-3); }
.rm-card.yonko-card .rm-card-icon { background: #fff; color: #1a56c4; }

.pass-combined { display: block; border: 1px solid var(--rm-line); border-radius: 14px; padding: 22px 24px; background: var(--rm-bg); grid-column: 1/-1; }
.pass-combined .desc { font-size: 14.5px; color: var(--rm-ink-3); line-height: 1.6; }
.pass-row { display: flex; gap: 6px; align-items: baseline; margin-bottom: 8px; flex-wrap: wrap; }
.pass-label { font-size: 18px; font-weight: 700; color: var(--rm-ink); }
.focus-badge { font-size: 13px; font-weight: 700; color: var(--rm-accent); background: var(--rm-accent-soft); border: 1px solid var(--rm-accent-line); padding: 2px 9px; border-radius: 6px; margin-left: 4px; }
.single-badge { font-size: 13px; font-weight: 700; color: var(--rm-ink-4); background: var(--rm-bg-soft); border: 1px solid var(--rm-line); padding: 2px 9px; border-radius: 6px; margin-left: 2px; }

.rm-card.ap-card { border-color: var(--rm-line); background: var(--rm-bg); }
.rm-card.ap-card:hover { border: 1px solid var(--rm-accent-line); background: #eef5ff; }
.rm-card.ap-card .name { color: var(--rm-ink); }
.rm-card.ap-card .desc { color: var(--rm-ink-3); }

.rm-card.special { border-color: var(--rm-line); background: var(--rm-bg); }
.rm-card.special:hover { border: 1px solid #dce8ff; background: #f0f6ff; }
.rm-card.special .name { color: var(--rm-ink); }
.rm-card.special .desc { color: var(--rm-ink-3); }
.rm-card.special .open-badge { font-size: 13.5px; color: var(--rm-amber); font-weight: 500; display: inline-block; margin-top: 10px; }

.panel-divider { border: none; border-top: 1px dashed var(--rm-line); margin: 16px 0; }

.rm-foot { margin-top: 28px; background: var(--rm-bg-soft); border: 1px solid var(--rm-line-2); border-radius: 14px; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.rm-foot .left { display: flex; align-items: center; gap: 10px; }
.rm-foot .left .txt { font-size: 15.5px; color: var(--rm-ink-3); line-height: 1.5; }
.rm-foot .foot-title { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.rm-foot .foot-title strong { font-size: 16.5px; font-weight: 700; color: var(--rm-ink); }
.rm-foot .foot-div { color: var(--rm-line-2); font-size: 15.5px; font-weight: 300; }
.rm-foot .foot-desc { font-size: 14.5px; color: var(--rm-ink-3); line-height: 1.5; }
.rm-foot .right { font-size: 15.5px; color: var(--rm-accent); font-weight: 500; white-space: nowrap; }

.rm-card.medical-card { border: 1px solid var(--rm-line); background: var(--rm-bg); }

.rm-card.yonko-card { border: 1px solid #dce4f5; background: linear-gradient(135deg,#eef3ff 0%,#fff0f0 100%); }
.rm-card.yonko-card .name { background: linear-gradient(90deg,#1a56c4,#c0392b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 700; }
.rm-card.yonko-card .desc { color: var(--rm-ink-3); }

@media (max-width: 720px) {
  .rm-stepper { grid-template-columns: repeat(2, 1fr); row-gap: 18px; }
  .rm-stepper-line { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .rm-card.full { flex-direction: column; align-items: flex-start; gap: 10px; }
}
@media (max-width: 380px) {
  .rm-step-sub { display: none; }
}

.mission { text-align: center; padding: 88px 0; background: var(--color-primary); color: #fff; border-radius: var(--radius-md); }
.mission blockquote { font-size: clamp(24px, 3.6vw, 38px); font-weight: 700; line-height: 1.35; max-width: 820px; margin: 0 auto; color: #fff; }
.mission blockquote span { color: #8fb8ff; }
.mission .lead { margin: 20px auto 0; max-width: 660px; font-size: 17px; color: rgba(255,255,255,.7); line-height: 1.7; }
.mission .actions { margin-top: 28px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.mission .btn-primary { background: #fff; color: var(--color-primary); }
.mission .btn-primary:hover { background: var(--badge-bg); }
.mission .btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,.35); color: #fff; }
.mission .btn-secondary:hover { background: rgba(255,255,255,.1); }

/* === pricing page (2026-08): 과정 탭 + 플랜 카드 + 과목별 가격 선택기 === */
.price-tabs { display: flex; justify-content: center; gap: 6px; margin-bottom: 32px; flex-wrap: wrap; }
.price-tab { background: var(--color-bg-tint); color: var(--color-text-secondary); border: none; font-family: inherit; font-size: 15.5px; font-weight: 600; padding: 10px 22px; border-radius: var(--radius-pill); cursor: pointer; transition: background 0.15s ease, color 0.15s ease; }
.price-tab[aria-selected="true"] { background: var(--color-primary); color: #fff; }

.plan-panel[hidden] { display: none; }

.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; align-items: stretch; }
.plans-grid-narrow { grid-template-columns: minmax(240px, 420px); justify-content: center; }

.plan-card { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px 22px; position: relative; }
.plan-card.plan-feat { border-color: var(--color-blue); }
.plan-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; height: 32px; }
.plan-icon { width: 32px; height: 32px; border-radius: 9px; background: var(--badge-bg); color: var(--color-blue); display: flex; align-items: center; justify-content: center; font-size: 16.5px; flex-shrink: 0; }
.plan-name { font-size: 17.5px; font-weight: 700; color: var(--color-text); }
.plan-desc { font-size: 14.5px; color: var(--color-text-muted); min-height: 34px; margin-bottom: 8px; }
.plan-rows { flex: 1 0 auto; display: flex; flex-direction: column; gap: 8px; padding-top: 4px; }
/* 가격 행을 테두리 박스로 감싸 금액이 깔끔하게 눈에 띄도록 함 */
.plan-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px 12px; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg-tint); font-size: 15px; color: var(--color-text-secondary); }
.plan-row > span:first-child { white-space: nowrap; }
.plan-amt { font-size: 21.5px; font-weight: 700; color: var(--color-text); white-space: nowrap; text-align: right; margin-left: auto; }
.plan-amt small { font-size: 13.5px; font-weight: 400; color: var(--color-text-muted); }
.plan-amt-sm { font-size: 14.5px; font-weight: 600; color: var(--color-blue); }
/* 단일 가격 카드(SINGLE PASS/FOCUS PASS)는 박스 안에서 라벨+금액이 세로 중앙에 오도록 */
.plan-row-stat { flex: 1; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 8px; min-height: 96px; }
.plan-row-stat .plan-amt { margin-left: 0; font-size: 26px; }
/* rows/tag/foot/cta 아래로 몰아 카드 높이가 달라도 버튼 위치가 가지런히 맞도록 함 */
.plan-bottom { margin-top: auto; display: flex; flex-direction: column; }
.plan-tag { margin-top: 14px; align-self: flex-start; }
.plan-foot { font-size: 13px; color: var(--color-text-muted); margin-top: 12px; }
.plan-cta { margin-top: 18px; }
/* primary/secondary 버튼 높이가 달라 보이지 않도록 plan-card CTA는 높이 통일 */
.plan-cta.btn { height: 44px; }

/* SINGLE PASS / IB 특강 선택 UI — 모달(modal-box) 안에서 세로로 쌓이는 레이아웃 */
.ps-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.ps-head h3 { font-size: 17.5px; font-weight: 700; }
.ps-note { font-size: 14px; color: var(--color-text-muted); margin-bottom: 20px; }
.ps-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.ps-controls label { font-size: 13.5px; color: var(--color-text-secondary); display: block; margin-bottom: 6px; font-weight: 600; }
.ps-controls select { width: 100%; font-family: inherit; font-size: 15.5px; padding: 11px 14px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: #fff; color: var(--color-text); cursor: pointer; }
.ps-out { background: var(--color-bg-tint); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 20px 22px; display: flex; flex-direction: column; justify-content: center; }
.ps-name { font-size: 15.5px; font-weight: 700; color: var(--color-text); }
.ps-teacher { font-size: 13.5px; color: var(--color-text-muted); margin-top: 2px; margin-bottom: 14px; }
.ps-price { font-size: 28px; font-weight: 700; color: var(--color-text); letter-spacing: -.5px; }
.ps-price .per { font-size: 14px; color: var(--color-text-muted); font-weight: 400; }
.ps-hint { font-size: 13px; color: var(--color-text-secondary); margin-top: 10px; }
.ps-out .btn { margin-top: 14px; }
.ps-grid-3 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 480px) { .ps-grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* 담기 목록 — SINGLE PASS/IB 특강 모달에서 여러 과목을 골라 쌓아두는 리스트 */
.ps-selected-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; max-height: 180px; overflow-y: auto; }
.ps-selected-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg-tint); font-size: 14.5px; color: var(--color-text); }
.ps-selected-item button { background: none; border: none; padding: 4px; color: var(--color-text-muted); cursor: pointer; display: flex; align-items: center; flex-shrink: 0; }
.ps-selected-item button:hover { color: var(--color-blue); }
.ps-selected-empty { font-size: 14px; color: var(--color-text-muted); text-align: center; padding: 10px 0; margin-top: 14px; }

/* === AP Calculus 특강 페이지 (2026-08) === */
.stat-block { background: var(--color-primary); border-radius: var(--radius-md); padding: 40px 36px; display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; flex-wrap: wrap; }
.stat-block .sb-text { max-width: 480px; }
.stat-block .sb-text h2 { color: #fff; font-size: 23.5px; line-height: 1.4; }
.stat-block .sb-text p { margin-top: 12px; font-size: 15px; color: rgba(255,255,255,.65); line-height: 1.7; }
.stat-block .sb-stats { display: flex; gap: 40px; flex-shrink: 0; }
.stat-block .sb-stat .n { font-size: 36px; font-weight: 800; color: #fff; letter-spacing: -1px; line-height: 1; }
.stat-block .sb-stat .l { font-size: 13.5px; color: rgba(255,255,255,.6); margin-top: 8px; }

.instructor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.instructor-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px 20px; }
.instructor-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.instructor-photo { width: 42px; height: 42px; border-radius: 50%; background: var(--badge-bg); color: var(--color-blue); display: flex; align-items: center; justify-content: center; font-size: 14.5px; font-weight: 700; flex-shrink: 0; }
.instructor-tag { font-size: 12.5px; font-weight: 600; color: var(--color-blue); letter-spacing: .3px; }
.instructor-name { font-size: 16.5px; font-weight: 700; color: var(--color-text); margin-top: 2px; }
.instructor-bio { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; }
/* 강사 소개 — 검은 글씨의 명료한 체크리스트 */
.instructor-bio-list { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; list-style: none; }
.instructor-bio-list li { display: flex; gap: 6px; align-items: flex-start; font-size: 14px; color: var(--color-text); line-height: 1.5; }
.instructor-bio-list li i { color: var(--color-blue); flex-shrink: 0; margin-top: 3px; font-size: 12.5px; }

.step-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.step-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px 22px;
  background: #fff; font-family: inherit; text-align: left; cursor: pointer; width: 100%;
  transition: border-color .15s ease, transform .15s ease;
}
.step-card:hover { border-color: var(--color-border-strong); transform: translateY(-2px); }
.step-card .roadmap-index { margin-bottom: 14px; }
.step-card h4 { margin-bottom: 6px; }
.step-card p { font-size: 14.5px; color: var(--color-text-secondary); line-height: 1.6; }

.target-block { background: var(--color-primary); border-radius: var(--radius-md); padding: 36px 34px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 30px; align-items: center; }
.target-block h2 { color: #fff; font-size: 23.5px; line-height: 1.4; }
.target-block .t-list { display: flex; flex-direction: column; gap: 12px; }
.target-block .t-item { display: flex; gap: 10px; font-size: 15px; color: rgba(255,255,255,.9); line-height: 1.6; }
.target-block .t-item i { flex-shrink: 0; margin-top: 2px; color: #8fb8ff; }
@media (max-width: 720px) { .target-block { grid-template-columns: 1fr; padding: 28px 26px; } }

.feat-rows { display: flex; flex-direction: column; max-width: 720px; }
.feat-row { display: flex; gap: 20px; align-items: flex-start; padding: 18px 0; border-top: 1px solid var(--color-border); }
.feat-rows .feat-row:last-child { border-bottom: 1px solid var(--color-border); }
.feat-num { font-size: 19.5px; font-weight: 800; color: var(--color-blue); width: 40px; flex-shrink: 0; }
.feat-row h4 { font-size: 16.5px; margin-bottom: 4px; }
.feat-row p { font-size: 14.5px; color: var(--color-text-secondary); line-height: 1.6; }

.disclaimer-note { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; margin-top: 24px; }

/* AP 특강: 강사진 위 Curriculum 카드 — 흰 배경, 컴팩트하게. 카드 안에 사진을 나란히 넣을 수 있는 구조 */
.ap-product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
@media (max-width: 767px) { .ap-product-grid { grid-template-columns: 1fr; } }
.ap-product-grid.is-single { grid-template-columns: 1fr; max-width: 720px; margin-left: auto; margin-right: auto; }

.ap-product-card2 {
  position: relative;
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 18px 18px 16px;
}
.ap-product-eyebrow { font-size: 12px; letter-spacing: .06em; color: var(--color-blue); font-weight: 600; }
.ap-product-title { font-size: 17.5px; font-weight: 700; color: var(--color-text); margin-top: 3px; }
.ap-product-teacher { font-size: 13.5px; color: var(--color-text-secondary); margin-top: 2px; }

.ap-product-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.ap-product-photos .cover { aspect-ratio: 4/3; border-radius: 6px; overflow: hidden; background: var(--color-bg-tint); }
.ap-product-photos .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ap-product-photos .cover.placeholder {
  display: flex; align-items: center; justify-content: center; text-align: center; padding: 8px;
  color: var(--color-text-muted); font-size: 11.5px; line-height: 1.5;
}

.ap-product-feats2 { margin-top: 12px; display: flex; flex-direction: column; gap: 5px; list-style: none; padding: 0; }
.ap-product-feats2 li { display: flex; gap: 6px; align-items: flex-start; font-size: 13.5px; color: var(--color-text-secondary); }
.ap-product-feats2 li i { color: var(--color-blue); margin-top: 2px; flex-shrink: 0; font-size: 13.5px; }

.ap-product-link {
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13.5px; font-weight: 500; color: var(--badge-text);
}
.ap-product-card2:hover .ap-product-link { color: var(--color-blue); }

.ap-product-soon {
  position: absolute; top: -9px; right: 16px;
  background: var(--color-bg-tint); border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary); font-size: 11px; font-weight: 700; letter-spacing: .05em;
  padding: 3px 10px; border-radius: 999px;
}
.ap-product-card2.is-soon .ap-product-photos,
.ap-product-card2.is-soon .ap-product-feats2 { opacity: .55; }
.ap-product-link.is-disabled,
.ap-product-card2:hover .ap-product-link.is-disabled { color: var(--color-text-muted); cursor: default; }

/* FULL PATTERN 특강 — 메인 패키지 카드. 카드 전체가 링크이며 hover 시 하이라이트되어 강의 상세로 이동 */
.ap-product-card2.is-primary {
  display: block; text-decoration: none; color: inherit;
  padding: 28px 28px 24px;
  border-width: 1.5px;
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease, background .2s ease;
}
.ap-product-card2.is-primary:hover,
.ap-product-card2.is-primary:focus-visible {
  border-color: var(--color-blue);
  background: var(--color-bg-tint);
  box-shadow: 0 10px 28px rgba(37, 99, 235, .14);
  transform: translateY(-2px);
}
.ap-product-card2.is-primary .ap-product-title { font-size: 23.5px; }
.ap-product-card2.is-primary .ap-product-teacher { font-size: 14.5px; }
.ap-product-card2.is-primary .ap-product-photos { grid-template-columns: repeat(3, 1fr); max-width: 640px; margin: 16px auto 0; }
.ap-product-card2.is-primary .ap-product-feats2 { margin-top: 18px; gap: 10px; }
.ap-product-card2.is-primary .ap-product-feats2 li { font-size: 16px; font-weight: 600; color: var(--color-text); }
.ap-product-card2.is-primary .ap-product-feats2 li i { font-size: 16.5px; }
.ap-product-card2.is-primary .ap-product-link { font-weight: 600; }

/* 이용약관/개인정보처리방침 등 법적 문서 페이지 공용 레이아웃 */
.legal-doc { max-width: 760px; margin: 0 auto; }
.legal-doc .legal-date { color: var(--color-text-muted); font-size: 14.5px; margin: 8px 0 40px; }
.legal-doc .legal-toc { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 48px; }
.legal-doc .legal-toc-title { font-size: 14.5px; font-weight: 700; color: var(--color-text-muted); margin-bottom: 10px; }
.legal-doc .legal-toc ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin: 0; padding: 0; }
.legal-doc .legal-toc a { font-size: 15px; color: var(--color-text-secondary); }
.legal-doc .legal-toc a:hover { color: var(--color-blue); }
.legal-doc h2 { font-size: 21.5px; margin: 44px 0 16px; padding-top: 28px; border-top: 1px solid var(--color-border); scroll-margin-top: 24px; }
.legal-doc h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.legal-doc h3 { font-size: 17px; font-weight: 700; margin: 26px 0 8px; }
.legal-doc p { font-size: 16px; line-height: 1.85; color: var(--color-text-secondary); margin-bottom: 10px; }
.legal-doc ul, .legal-doc ol { margin: 8px 0 14px 20px; }
.legal-doc li { font-size: 16px; line-height: 1.85; color: var(--color-text-secondary); margin-bottom: 5px; }
.legal-doc table { width: 100%; border-collapse: collapse; margin: 16px 0 20px; font-size: 15px; }
.legal-doc th, .legal-doc td { border: 1px solid var(--color-border); padding: 10px 12px; text-align: left; vertical-align: top; }
.legal-doc th { background: var(--color-bg-tint); font-weight: 700; }
.legal-doc strong { font-weight: 700; color: var(--color-text); }
@media (max-width: 640px) { .legal-doc .legal-toc ul { grid-template-columns: 1fr; } }

/* My Page */
.mp-profile { padding: 8px 0 28px; border-bottom: 1px solid var(--color-border); margin-bottom: 36px; }
.mp-profile h2 { font-size: 20.5px; }

.mp-section { margin-bottom: 48px; }
.mp-section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.mp-section-head h3 { font-size: 18.5px; }
.mp-section-head a { font-size: 14.5px; color: var(--color-text-secondary); }

.mp-sub-card { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.mp-sub-card .plan { font-size: 17.5px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.mp-sub-card .meta { font-size: 14.5px; color: var(--color-text-secondary); line-height: 1.8; }
.mp-sub-card .meta strong { color: var(--color-text); }
.mp-sub-card .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.mp-course-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--color-border); align-items: center; }
.mp-course-item:last-child { border-bottom: none; }
.mp-course-item .thumb { width: 104px; aspect-ratio: 16/9; border-radius: var(--radius-sm); overflow: hidden; background: var(--color-bg-tint); flex-shrink: 0; }
.mp-course-item .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mp-course-item .info { flex: 1; min-width: 0; }
.mp-course-item h4 { font-size: 16px; margin-bottom: 3px; }
.mp-course-item .sub { font-size: 13.5px; color: var(--color-text-muted); margin-bottom: 9px; }
.mp-progress-row { display: flex; align-items: center; gap: 10px; }
.mp-progress-track { flex: 1; background: var(--color-bg-tint); border-radius: 999px; height: 6px; overflow: hidden; }
.mp-progress-fill { background: var(--color-blue); height: 100%; border-radius: 999px; }
.mp-course-item .pct { font-size: 13px; color: var(--color-text-muted); flex-shrink: 0; }
.mp-course-item .go { flex-shrink: 0; }
@media (max-width: 560px) { .mp-course-item { flex-wrap: wrap; } .mp-course-item .go { width: 100%; } }

.mp-coupon { display: flex; justify-content: space-between; align-items: center; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-md); padding: 16px 20px; gap: 16px; flex-wrap: wrap; }
.mp-coupon + .mp-coupon { margin-top: 10px; }
.mp-coupon.is-used { opacity: .5; }
.mp-coupon .amt { font-size: 19.5px; font-weight: 800; color: var(--color-blue); flex-shrink: 0; }
.mp-coupon .name { font-size: 15px; font-weight: 600; }
.mp-coupon .exp { font-size: 13.5px; color: var(--color-text-muted); margin-top: 2px; }

.mp-pay-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.mp-pay-table th, .mp-pay-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--color-border); }
.mp-pay-table th { color: var(--color-text-muted); font-weight: 600; font-size: 14px; }
.mp-pay-table td.amt { font-weight: 700; }
@media (max-width: 560px) { .mp-pay-table { font-size: 14px; } .mp-pay-table th:nth-child(4), .mp-pay-table td:nth-child(4) { display: none; } }

.mp-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--color-text); border-bottom: 1px solid var(--color-border); margin: 4px 0 32px; }
.mp-tab { background: none; border: 0; cursor: pointer; font-family: inherit; padding: 16px 8px; text-align: center; font-size: 17px; font-weight: 700; color: var(--color-text-muted); border-bottom: 3px solid transparent; margin-bottom: -1px; transition: color .15s, border-color .15s; }
.mp-tab[aria-selected="true"] { color: var(--color-text); border-bottom-color: var(--color-blue); }
.mp-panel[hidden] { display: none; }

.mp-pm-list { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.mp-pm-item { display: flex; align-items: center; gap: 10px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 15.5px; cursor: pointer; }
.mp-pm-item:has(input:checked) { border-color: var(--color-blue); background: var(--color-sky); }
.mp-pm-badge { margin-left: auto; font-size: 12.5px; color: var(--color-blue); font-weight: 600; }

.mp-form { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
.mp-field { display: flex; flex-direction: column; gap: 6px; font-size: 14.5px; color: var(--color-text-secondary); }
.mp-field input, .mp-field select {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 15.5px; color: var(--color-text); font-family: inherit;
  background: var(--color-bg);
}
.mp-field input:focus, .mp-field select:focus { outline: none; border-color: var(--color-blue); }
.mp-field input:disabled { background: var(--color-bg-tint); color: var(--color-text-muted); }
.mp-account-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.mp-danger-link { background: none; border: none; padding: 0; font-size: 14.5px; color: var(--color-text-muted); cursor: pointer; text-decoration: underline; font-family: inherit; }
.mp-danger-link:hover { color: #E5484D; }

/* 회원가입 */
.signup-head { text-align: center; margin-bottom: 36px; }
.signup-head h1 { font-size: 26px; margin-bottom: 8px; }
.signup-head p { font-size: 15px; color: var(--color-text-secondary); }
.signup-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .signup-field-row { grid-template-columns: 1fr; } }
.signup-radio-group { border: none; margin: 0; padding: 0; }
.signup-radio-group legend { font-size: 15.5px; font-weight: 600; color: var(--color-text); margin-bottom: 12px; padding: 0; }
.signup-radio-options { display: flex; flex-direction: column; gap: 10px; }
.signup-radio-options label {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 15px; color: var(--color-text); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.signup-radio-options label:has(input:checked) { border-color: var(--color-blue); background: var(--color-sky); }
.signup-radio-options input { accent-color: var(--color-blue); }
.signup-agree { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--color-text-secondary); cursor: pointer; }
.signup-agree input { margin-top: 2px; accent-color: var(--color-blue); flex-shrink: 0; }
.signup-agree a { color: var(--color-blue); text-decoration: underline; }

/* 수강후기 마퀴 — 카카오톡 피드백 캡처 두 줄이 서로 반대 방향으로 끊임없이 흘러감 */
.review-marquee {
  margin-top: 32px;
  display: flex; flex-direction: column; gap: 16px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}
.review-row { overflow: hidden; }
.review-track { display: flex; gap: 16px; width: max-content; }
.review-track-a { animation: review-scroll-left 50s linear infinite; }
.review-track-b { animation: review-scroll-right 56s linear infinite; }
.review-marquee:hover .review-track { animation-play-state: paused; }
.review-card-img {
  flex-shrink: 0; height: 221px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; background: #fff;
  box-shadow: 0 4px 16px rgba(20, 15, 50, .08);
}
.review-card-img img { height: 100%; width: auto; display: block; }
.review-track-b .review-card-img { height: 147px; }
@keyframes review-scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes review-scroll-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (max-width: 767px) {
  .review-card-img { height: 161.5px; }
  .review-track-b .review-card-img { height: 108px; }
  .review-marquee { gap: 10px; margin-top: 24px; }
  .review-track { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .review-track-a, .review-track-b { animation: none; }
}

/* === 학년별 로드맵 매트릭스 (2026-08) === */
.rmx-scroll { overflow-x: auto; padding-bottom: 4px; }
.rmx-grid {
  display: grid;
  grid-template-columns: 168px repeat(8, 1fr);
  gap: 8px;
  min-width: 900px;
}
.rmx-hint { text-align: center; font-size: 13px; color: var(--rm-ink-4); margin-top: 12px; }

.rmx-col-head {
  background: none; border: none; font-family: inherit; cursor: pointer;
  padding: 6px 4px 10px; font-size: 16.7px; font-weight: 700; color: var(--rm-ink-3);
  border-bottom: 2px solid var(--rm-line); text-align: left;
  transition: color .15s ease, border-color .15s ease, opacity .15s ease;
}
.rmx-col-head[aria-pressed="true"] { color: var(--rm-accent); border-bottom-color: var(--rm-accent); }
.rmx-col-head:hover { color: var(--rm-ink); }

.rmx-timebar {
  align-self: center; height: 4px; border-radius: 2px; opacity: .55;
  background: linear-gradient(90deg, var(--lane-1), var(--lane-2), var(--lane-3), var(--lane-4), var(--lane-5));
}

.rmx-lane-label {
  padding: 10px 12px; border-radius: 2px; border-left: 3px solid transparent;
  display: flex; flex-direction: column; justify-content: center; gap: 2px;
}
.rmx-lane-title { font-size: 17px; font-weight: 700; color: var(--rm-ink); }
.rmx-lane-name { font-size: 16px; color: var(--rm-ink-3); }
.rmx-lane-label[data-lane="1"] { border-left-color: var(--lane-1); background: var(--lane-1-bg); }
.rmx-lane-label[data-lane="2"] { border-left-color: var(--lane-2); background: var(--lane-2-bg); }
.rmx-lane-label[data-lane="3"] { border-left-color: var(--lane-3); background: var(--lane-3-bg); }
.rmx-lane-label[data-lane="4"] { border-left-color: var(--lane-4); background: var(--lane-4-bg); }
.rmx-lane-label[data-lane="5"] { border-left-color: var(--lane-5); background: var(--lane-5-bg); }

.rmx-cell {
  border-radius: 2px; padding: 11px 12px; min-height: 74px;
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
  font-family: inherit; text-align: left; width: 100%;
  transition: opacity .15s ease, border-color .15s ease, background .15s ease;
}
.rmx-cell.is-dim { opacity: .35; }

.rmx-cell.rmx-active {
  border: 1px solid var(--color-border); border-left-width: 3px; background: #fff; cursor: pointer;
}
.rmx-cell.rmx-active:hover { background: var(--rm-bg-soft); }
.rmx-cell.rmx-active[data-lane="1"] { border-left-color: var(--lane-1); }
.rmx-cell.rmx-active[data-lane="2"] { border-left-color: var(--lane-2); }
.rmx-cell.rmx-active[data-lane="3"] { border-left-color: var(--lane-3); }
.rmx-cell.rmx-active[data-lane="4"] { border-left-color: var(--lane-4); }
.rmx-cell.rmx-active[data-lane="5"] { border-left-color: var(--lane-5); }

.rmx-cell-title { font-size: 14.5px; font-weight: 700; color: var(--rm-ink); line-height: 1.4; }
.rmx-cell-sub { font-size: 12.5px; color: var(--rm-ink-3); line-height: 1.5; }

.rmx-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.rmx-chip {
  display: inline-block; border-radius: 2px; padding: 2px 8px;
  font-size: 12px; color: var(--rm-ink); background: var(--rm-bg); border: 1px solid var(--rm-line-2);
}
.rmx-cell[data-lane="1"] .rmx-chip { border-color: var(--lane-1); }
.rmx-cell[data-lane="2"] .rmx-chip { border-color: var(--lane-2); }
.rmx-cell[data-lane="3"] .rmx-chip { border-color: var(--lane-3); }
.rmx-cell[data-lane="4"] .rmx-chip { border-color: var(--lane-4); }
.rmx-cell[data-lane="5"] .rmx-chip { border-color: var(--lane-5); }

.rmx-divider { border: none; border-top: 1px dashed var(--rm-line-2); margin: 2px 0; width: 100%; }

.rmx-cell.rmx-inactive {
  background: none; border: 1px dashed var(--rm-line-2); color: var(--rm-ink-4);
  align-items: center; justify-content: center; font-size: 14px; cursor: default;
}

.rmx-ia-grid { display: grid; grid-template-columns: repeat(8, 1fr); margin-top: 10px; }
.rmx-ia-box {
  grid-column: 4 / 7;
  background: #fff;
  border: 1px solid var(--color-border); border-left: 3px solid var(--lane-3); border-radius: 2px; padding: 8px 10px;
}
.rmx-ia-title { font-size: 13px; font-weight: 700; color: var(--rm-ink); margin-bottom: 4px; }
.rmx-ia-box .rmx-chip { font-size: 11.5px; padding: 1px 7px; }

.rmx-col-head:focus-visible,
.rmx-cell.rmx-active:focus-visible {
  outline: 2px solid var(--color-blue); outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .rmx-cell, .rmx-col-head { transition: none; }
}