:root {
  --ink: #0b1744;
  --muted: #63708d;
  --line: #e5ebf6;
  --panel: #ffffff;
  --soft: #f6f9ff;
  --cyan: #12c7bd;
  --blue: #3478f6;
  --violet: #7d4df4;
  --green: #10b981;
  --orange: #f97316;
  --shadow: 0 18px 48px rgba(44, 63, 113, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfdff 0%, #f6f9ff 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  max-width: 1500px;
  margin: 0 auto;
  min-height: 76px;
  padding: 0 36px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 26px; font-weight: 800; }
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #17c8c0, #5b7cff 52%, #9256f8);
  clip-path: polygon(48% 0, 100% 100%, 62% 100%, 48% 44%, 28% 100%, 0 100%);
}
.main-nav { display: flex; gap: 24px; align-items: center; flex: 1; justify-content: center; }
.main-nav a { color: #1c2a57; font-weight: 650; }
.search-box {
  min-width: 260px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--muted);
  background: #fff;
}
.btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--violet)); color: #fff; box-shadow: 0 12px 28px rgba(88, 102, 242, .24); }
.btn-soft { background: #fff; color: var(--blue); border: 1px solid #cdd8f5; }
.btn-dark { background: #0b1744; color: #fff; }
.subject-strip {
  border-top: 1px solid #eef2fa;
  max-width: 1500px;
  margin: 0 auto;
  padding: 10px 36px;
  display: flex;
  gap: 16px;
  overflow: auto;
}
.chip {
  border: 1px solid #dce5f7;
  background: #fff;
  border-radius: 999px;
  padding: 9px 16px;
  color: #556481;
  white-space: nowrap;
  font-weight: 700;
}
.chip.is-active, .chip:hover { background: #eef0ff; color: #6447ee; border-color: #c9c5ff; }
.container { max-width: 1420px; margin: 0 auto; padding: 0 36px; }
.section { padding: 44px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 22px; }
.section-title { font-size: 28px; margin: 0; }
.section-subtitle { margin: 8px 0 0; color: var(--muted); }
.hero {
  min-height: 520px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
  padding: 64px 36px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 10%, rgba(125,77,244,.18), transparent 30%), linear-gradient(135deg, rgba(18,199,189,.10), rgba(255,255,255,.7) 42%, rgba(125,77,244,.10));
  pointer-events: none;
}
.hero-copy, .hero-media { position: relative; z-index: 1; }
.eyebrow { color: var(--blue); font-weight: 900; margin-bottom: 12px; }
.hero h1 { font-size: clamp(44px, 5vw, 82px); line-height: 1.04; margin: 0 0 18px; }
.gradient-text { background: linear-gradient(135deg, #2573f5, #9559f7); -webkit-background-clip: text; color: transparent; }
.hero p { color: #2a3762; font-size: 18px; line-height: 1.8; max-width: 680px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 28px 0; }
.hero-badges { display: flex; gap: 18px; flex-wrap: wrap; color: #405071; font-weight: 750; }
.hero-media {
  min-height: 360px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(205,216,245,.8);
  box-shadow: var(--shadow);
  background: #fff;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 12px 32px rgba(52, 78, 130, .08);
}
.course-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.course-image { display: block; position: relative; height: 170px; background: linear-gradient(135deg, #e8fbff, #f3efff); overflow: hidden; }
.course-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-badge { position: absolute; top: 12px; left: 12px; z-index: 2; padding: 5px 11px; border-radius: 8px; background: rgba(255, 255, 255, .94); color: #058b82; font-size: 12px; font-weight: 900; box-shadow: 0 2px 8px rgba(31, 45, 80, .16); }
.course-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.course-title { font-size: 17px; line-height: 1.4; margin: 0; }
.course-title a { color: var(--ink); }
.course-title a:hover { color: #079e9b; }
.course-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; }
.course-meta .rating { font-size: 14px; letter-spacing: 1px; }
.course-score { font-weight: 900; color: #f59e0b; }
.course-tutor { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); font-weight: 700; }
.mini-avatar { width: 30px; height: 30px; border-radius: 50%; background: #eef3ff; color: #4b5c7a; display: inline-flex; align-items: center; justify-content: center; font-weight: 900; font-size: 13px; overflow: hidden; flex: none; }
.mini-avatar img { width: 100%; height: 100%; object-fit: cover; }
.course-foot { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding-top: 4px; }
.course-foot .price { font-size: 20px; }
.course-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; }
.course-more { color: #079e9b; font-weight: 900; white-space: nowrap; }
.tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: #e7f8f7; color: #058b82; font-size: 13px; font-weight: 900; }
.price { color: #079e9b; font-size: 22px; font-weight: 900; }
.old-price { color: #9aa5bb; text-decoration: line-through; margin-left: 8px; }
.rating { color: #f59e0b; font-weight: 900; }
.muted { color: var(--muted); }
.split { display: grid; grid-template-columns: 1.7fr .8fr; gap: 30px; align-items: start; }
.sticky-card { position: sticky; top: 112px; }
.tabs { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.accordion-item { border-bottom: 1px solid var(--line); padding: 16px 0; }
.accordion-title { width: 100%; border: 0; background: none; text-align: left; font-size: 17px; font-weight: 850; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; }
.accordion-content { display: none; color: var(--muted); line-height: 1.8; }
.accordion-item.is-open .accordion-content { display: block; }
.teacher-card { display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: center; }
.teacher-avatar-link { width: 96px; height: 96px; display: block; overflow: hidden; border-radius: 50%; }
.teacher-avatar-link:focus-visible { outline: 3px solid color-mix(in srgb, var(--aurora-secondary) 70%, white); outline-offset: 4px; }
.avatar { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; background: #eef3ff; transition: transform .35s ease; }
.schedule-card { border-left: 4px solid var(--cyan); }
.schedule-card.limited { border-color: var(--orange); }
.schedule-card.full { border-color: #b8c0d3; opacity: .68; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-weight: 800; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid #d9e3f4;
  border-radius: 8px;
  padding: 13px 14px;
  font: inherit;
  background: #fff;
}
.field textarea { min-height: 140px; resize: vertical; }
.is-invalid { border-color: #ef4444 !important; }
.alert { padding: 14px 16px; border-radius: 8px; margin-bottom: 18px; }
.alert-success { background: #e8fbf2; color: #047857; border: 1px solid #b9f2d5; }
.site-footer { margin-top: 40px; border-top: 1px solid var(--line); background: #fff; padding: 30px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 30px; align-items: center; }
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #10b981;
  box-shadow: 0 16px 32px rgba(16,185,129,.35);
  font-weight: 900;
}
@media (max-width: 1050px) {
  .nav-wrap { flex-wrap: wrap; padding: 18px 22px; }
  .main-nav { order: 3; flex-basis: 100%; justify-content: flex-start; overflow: auto; }
  .search-box { min-width: 200px; flex: 1; }
  .hero, .split { grid-template-columns: 1fr; }
  .grid-4, .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .container, .hero, .subject-strip { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: 42px; }
  .grid-4, .grid-3, .grid-2, .form-grid { grid-template-columns: 1fr; }
  .teacher-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
.date-chips{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.date-chips span{padding:5px 8px;border-radius:999px;background:#edfafa;color:#277b77;font-size:.9rem}.batch-modal{border:0;border-radius:16px;max-width:520px;width:calc(100% - 32px);padding:28px}.batch-modal::backdrop{background:rgba(15,23,42,.55)}.modal-close{float:right;border:0;background:transparent;font-size:26px}
.preview-banner{background:#fff3cd;color:#7c5700;text-align:center;padding:10px;font-weight:700}.course-anchor-nav{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);overflow:auto}.course-anchor-nav .container{display:flex;gap:26px;white-space:nowrap}.course-anchor-nav a{padding:14px 0;color:inherit;text-decoration:none}.course-product-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:start}.course-player-shell{background:#111;border-radius:12px;overflow:hidden}.course-player-shell video,.course-player-shell>img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}.course-player-toolbar{display:flex;gap:12px;align-items:center;padding:9px 12px;background:#1f2937;color:#fff;flex-wrap:wrap}.course-player-toolbar label{display:flex;gap:5px;align-items:center}.course-player-toolbar select,.course-player-toolbar button{padding:5px 8px}.course-product-header h1{font-size:clamp(2rem,4vw,3rem);margin:13px 0}.tag.soft{background:#f1f5f9;color:#475569}.course-detail-section{padding:30px 0;border-bottom:1px solid var(--line);scroll-margin-top:70px}.recruitment-copy,.offer-box{background:#fff0e9;border-radius:10px;padding:16px;margin:12px 0}.safe-rich-text img{max-width:100%;height:auto}.course-outline details{border:1px solid var(--line);border-radius:10px;margin:8px 0;overflow:hidden}.course-outline summary{padding:14px;font-weight:700;background:#f8fafc}.outline-lesson{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:12px 14px;border-top:1px solid var(--line)}.outline-lesson button{border:0;color:#169c96;background:transparent}.course-batch-list{display:grid;gap:14px}.course-batch-card{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:18px}.batch-card-copy>div:first-child{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.batch-capacity-state{color:#e59a00;font-weight:700}.capacity-progress{height:6px;background:#e5e7eb;border-radius:999px;overflow:hidden}.capacity-progress i{height:100%;display:block;background:#f6bd18}.course-purchase-card{position:sticky;top:78px;border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}.btn-block{display:block;width:100%;text-align:center;margin:10px 0}.offer-box small{display:block}.purchase-points{display:grid;gap:8px;padding-left:20px}.tutor-summary{display:flex;gap:16px;align-items:center}.tutor-avatar{width:80px;height:80px;border-radius:50%;background:#d9f5f2}
.batch-info-banner{margin:12px 0;padding:14px 16px;border-radius:10px;background:#dff6ff;color:#14566f}.course-anchor-nav .back-to-top{margin-left:auto}.batch-capacity-state.is-open{color:#178f89}.batch-capacity-state.is-low{color:#d28a00}.batch-capacity-state.is-full{color:#b91c1c}.date-chips span.is-cancelled{text-decoration:line-through;background:#f1f5f9;color:#64748b}.tutor-avatar{object-fit:cover;flex:0 0 auto}.tutor-summary>div:last-child{min-width:0}.tutor-bio{white-space:normal}.batch-modal [data-batch-dates]{max-height:45vh;overflow:auto}.batch-modal [data-batch-confirm]{display:block;text-align:center;margin-top:16px}
@media(max-width:980px){.course-product-layout{grid-template-columns:1fr}.course-purchase-card{position:static}.course-purchase-card .btn-block{max-width:520px}.course-anchor-nav .container{padding-inline:18px}}@media(max-width:600px){.course-product-layout{gap:20px}.course-batch-card{grid-template-columns:1fr}.course-batch-card .btn{width:100%}.outline-lesson{grid-template-columns:1fr auto}.outline-lesson button{grid-column:1/-1;text-align:left}.course-player-toolbar{font-size:.85rem}.course-anchor-nav .container{gap:18px}.date-chips span{max-width:100%}}@media(max-width:375px){.course-product-layout{width:100%;min-width:0}.course-player-toolbar{display:grid;grid-template-columns:1fr 1fr}.course-player-toolbar button,.course-player-toolbar select{max-width:100%}.course-batch-card,.course-purchase-card{padding:14px}.date-chips{min-width:0}.date-chips span{font-size:.8rem}}

/* Aurora public experience (001–005) */
.aurora-public {
  --aurora-primary: #08aaa8;
  --aurora-secondary: #296ee8;
  --aurora-accent: #7c5cf5;
  --ink: #102452;
  --muted: #687792;
  --line: #e4eaf5;
  --soft: #f5f9ff;
  --cyan: var(--aurora-primary);
  --cyan-dark: var(--aurora-primary);
  --blue: var(--aurora-secondary);
  --violet: var(--aurora-accent);
  --aurora-gradient: linear-gradient(115deg, var(--aurora-secondary) 0%, var(--aurora-primary) 53%, var(--aurora-accent) 100%);
  background: #fff;
  min-width: 0;
  overflow-x: clip;
}
.aurora-public main { min-width: 0; overflow: clip; }
.aurora-public .container { width: min(100%, 1320px); padding-inline: 28px; }
.aurora-public a,
.aurora-public button,
.aurora-public input { -webkit-tap-highlight-color: transparent; }
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 200;
  transform: translateY(-160%);
  background: #fff;
  border: 2px solid var(--cyan-dark);
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 800;
}
.skip-link:focus { transform: none; }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.aurora-public .site-header {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 4px 20px rgba(29, 62, 112, .05);
}
.aurora-public .nav-wrap {
  width: min(100%, 1480px);
  min-height: 72px;
  padding-inline: 28px;
  gap: clamp(14px, 1.6vw, 28px);
}
.aurora-public .brand { flex: 0 0 auto; min-width: 150px; }
.aurora-public .brand img { width: 176px; height: 48px; object-fit: contain; object-position: left center; }
.aurora-public .brand-text { display: none; }
.aurora-public .main-nav { gap: clamp(14px, 1.7vw, 28px); white-space: nowrap; }
.aurora-public .main-nav a { font-size: 15px; }
.aurora-public .main-nav a:hover,
.aurora-public .main-nav a:focus-visible { color: var(--cyan-dark); }
.aurora-public .main-nav a.is-active {
  color: var(--cyan-dark);
  position: relative;
}
.aurora-public .main-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -11px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  translate: -50% 0;
  background: var(--aurora-primary);
}
.header-search { position: relative; flex: 0 1 260px; }
.aurora-public .search-box { width: 100%; min-width: 0; padding-right: 44px; }
.header-search button {
  position: absolute;
  right: 4px;
  top: 50%;
  translate: 0 -50%;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--cyan-dark);
  font-size: 24px;
  cursor: pointer;
}
.header-account { display: flex; gap: 10px; white-space: nowrap; }
.header-account .btn { padding: 10px 19px; }
.mobile-nav-toggle { display: none; }
.aurora-public .subject-strip {
  width: min(100%, 1480px);
  max-width: none;
  padding: 9px 28px;
  gap: 4px;
  scrollbar-width: thin;
  scroll-padding-inline: 28px;
  overscroll-behavior-inline: contain;
  scroll-margin-top: 88px;
}
.subject-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 7px 14px;
  border-radius: 999px;
  color: #263758;
  font-size: 14px;
  font-weight: 750;
}
.subject-link:hover,
.subject-link:focus-visible,
.subject-link.is-active { color: var(--aurora-primary); background: #e9fbfa; }
.subject-icon { color: var(--aurora-primary); font-weight: 900; }
.aurora-public .subject-strip:focus-visible { outline: 3px solid rgba(50, 120, 232, .45); outline-offset: -3px; }

.btn { justify-content: center; }
.aurora-public .btn-primary { background: var(--aurora-gradient); }
.aurora-public .btn-soft { color: #142d63; border-color: #b9cfed; }
.aurora-public :focus-visible { outline: 3px solid rgba(50, 120, 232, .45); outline-offset: 3px; }
.text-link { color: var(--cyan-dark); font-weight: 850; white-space: nowrap; }
.eyebrow { color: var(--cyan-dark); letter-spacing: .04em; }

/* Native scroll-snap carousel: one component shared by banners and shelves. */
[data-carousel] { --carousel-items: 1; position: relative; min-width: 0; }
.carousel-viewport {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
}
.carousel-viewport::-webkit-scrollbar { display: none; }
.carousel-track { display: flex; align-items: stretch; min-width: 100%; }
.carousel-slide {
  flex: 0 0 calc(100% / var(--carousel-items));
  width: calc(100% / var(--carousel-items));
  min-width: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.aurora-carousel-controls { display: flex; align-items: center; justify-content: center; gap: 14px; max-width: 100%; min-width: 0; margin-top: 22px; }
.aurora-carousel-controls[hidden] { display: none; }
.carousel-arrow {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid #dce5f4;
  border-radius: 50%;
  background: rgba(255,255,255,.96);
  color: #183265;
  box-shadow: 0 8px 20px rgba(27, 57, 103, .1);
  font-size: 31px;
  line-height: 1;
  cursor: pointer;
}
.carousel-arrow:hover:not(:disabled),
.carousel-arrow:focus-visible:not(:disabled) { color: #fff; background: var(--cyan-dark); border-color: var(--cyan-dark); }
.carousel-arrow:disabled { opacity: .35; cursor: default; }
.carousel-dots { flex: 1 1 auto; min-width: 0; min-height: 12px; display: flex; align-items: center; justify-content: flex-start; gap: 8px; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: none; }
.carousel-dots::-webkit-scrollbar { display: none; }
.carousel-dots button {
  flex: 0 0 auto;
  width: 34px;
  height: 5px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #dce3ef;
  cursor: pointer;
  transition: width .2s ease, background .2s ease;
}
.carousel-dots button.is-active { width: 60px; background: #12aaa8; }
.carousel-counter { display: flex; align-items: baseline; gap: 4px; font-size: 12px; color: #687792; font-weight: 750; }
.carousel-counter b { font-size: 16px; color: var(--aurora-primary); }

.aurora-hero-carousel { width: 100%; background: #eaf8ff; }
.aurora-hero-carousel .carousel-viewport { aspect-ratio: 1920 / 500; }
.aurora-hero-carousel .carousel-track,
.aurora-hero-carousel .hero-slide,
.hero-slide-link,
.hero-desktop-art { height: 100%; }
.hero-slide-link,
.hero-desktop-art { display: block; width: 100%; }
.hero-desktop-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-mobile-copy { display: none; }
.aurora-hero-carousel > .aurora-carousel-controls { position: absolute; inset: 0; pointer-events: none; margin: 0; justify-content: space-between; padding: 0 2.2%; }
.aurora-hero-carousel > .aurora-carousel-controls .carousel-arrow { pointer-events: auto; width: 52px; height: 52px; border: 0; }
.aurora-hero-carousel > .aurora-carousel-controls .carousel-dots { position: absolute; left: 50%; bottom: 14px; max-width: min(50vw, 560px); translate: -50% 0; justify-content: center; pointer-events: auto; }
.aurora-hero-carousel > .aurora-carousel-controls .carousel-counter { position: absolute; left: 2.2%; bottom: 15px; pointer-events: auto; }
.hero-autoplay-note { position: absolute; left: calc(2.2% + 70px); bottom: 13px; z-index: 3; margin: 0; font-size: 12px; color: #345275; font-weight: 750; }

.aurora-shelf { padding: 46px 0 58px; }
.offer-shelf { background: linear-gradient(180deg, #f9fbff, #f4f8ff 55%, #fff); }
.series-shelf { position: relative; background: #fff; }
.series-shelf::before,
.series-shelf::after { content: ""; position: absolute; width: 120px; height: 120px; border: 1px solid rgba(18,170,168,.25); rotate: 30deg; border-radius: 26px; pointer-events: none; }
.series-shelf::before { left: -55px; top: 160px; }
.series-shelf::after { right: -55px; bottom: 40px; }
.shelf-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 22px; }
.shelf-heading h2 { margin: 0; font-size: clamp(27px, 3vw, 38px); }
.shelf-heading p:not(.eyebrow) { margin: 7px 0 0; color: var(--muted); }
.shelf-heading .eyebrow { margin: 0 0 7px; }
.offer-heading { align-items: center; }
.offer-countdown { display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; }
.countdown-label { font-weight: 850; margin-right: 6px; }
.offer-countdown > span:not(.countdown-label) { min-width: 58px; display: grid; grid-template-columns: 1fr auto; align-items: baseline; gap: 4px; padding: 10px 9px; border-radius: 10px; background: #fff; box-shadow: 0 7px 20px rgba(34, 63, 115, .08); }
.offer-countdown b { font-size: 24px; }
.offer-countdown small { color: var(--muted); }
.shelf-carousel { margin-inline: -10px; }
.shelf-carousel .carousel-slide { padding: 10px; }
.offer-card,
.series-card { height: 100%; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 10px 28px rgba(34, 70, 118, .08); }
.offer-card-media,
.series-card-media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #eef5ff; }
.zoom-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.offer-card:hover .zoom-media img,
.offer-card:focus-within .zoom-media img,
.series-card:hover .zoom-media img,
.series-card:focus-within .zoom-media img,
.course-card:hover .zoom-media img,
.course-card:focus-within .zoom-media img,
.tutor-card:hover .zoom-media img,
.tutor-card:focus-within .zoom-media img,
.teacher-card:hover .zoom-media img,
.teacher-card:focus-within .zoom-media img { transform: scale(1.045); }
.offer-card-body { min-height: 124px; display: flex; flex-direction: column; }
.offer-card-body h3 { padding: 16px 17px 8px; margin: 0; font-size: 17px; line-height: 1.45; }
.offer-card-buy { margin-top: auto; display: grid; grid-template-columns: 1fr auto; align-items: center; border-top: 1px solid #edf1f8; }
.offer-card-buy p { margin: 0; padding: 13px 16px; display: grid; gap: 2px; }
.offer-card-buy strong { color: var(--aurora-primary); font-size: 19px; }
.offer-card-buy del { color: #9aa5ba; font-size: 12px; }
.offer-card-cta { align-self: stretch; display: flex; align-items: center; padding: 12px 16px; background: #10aaa7; color: #fff; font-weight: 850; }
.offer-card-cta:hover,
.offer-card-cta:focus-visible { background: var(--aurora-secondary); }
.series-card-body { min-height: 230px; padding: 16px; display: flex; flex-direction: column; gap: 13px; }
.series-card-body h3 { margin: 0; color: var(--aurora-primary); font-size: 19px; line-height: 1.45; }
.series-metrics { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; }
.series-metrics .rating { letter-spacing: 0; font-size: 13px; }
.series-card-foot { display: flex; justify-content: space-between; align-items: end; gap: 10px; margin-top: auto; }
.series-card-foot .price { white-space: nowrap; font-size: 20px; }
.series-card-foot .price small,
.course-foot .price small { color: var(--muted); font-size: 12px; font-weight: 650; }

/* Additive homepage sections retained from the established course platform. */
.home-course-section { position: relative; background: #fff; }
.home-course-section:nth-of-type(even) { background: #f8fbff; }
.home-course-grid > * { min-width: 0; }
.home-featured-heading { align-items: flex-start; }
.home-featured-description { max-width: 720px; margin: 9px 0 0; color: #526684; line-height: 1.65; }
.home-featured-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 22px; }
.home-featured-tabs button {
  min-height: 40px;
  padding: 8px 17px;
  border: 1px solid #d8e5f4;
  border-radius: 999px;
  background: #fff;
  color: #526582;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.home-featured-tabs button:hover,
.home-featured-tabs button:focus-visible,
.home-featured-tabs button.is-active { border-color: transparent; background: var(--aurora-gradient); color: #fff; }
.home-featured-course[hidden] { display: none; }
.home-series-section { background: #f8fbff; }
.home-personalised-section { background: linear-gradient(110deg, #edfdfb, #f3f2ff); }
.home-personalised-card { min-width: 0; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 22px; align-items: center; padding: 30px 34px; border: 1px solid #d5e9f2; border-radius: 22px; background: rgba(255,255,255,.84); box-shadow: 0 16px 38px rgba(34, 70, 118, .08); }
.home-personalised-card .eyebrow { margin: 0 0 6px; }
.home-personalised-card h2 { margin: 0; }
.home-personalised-card p:last-child { margin: 10px 0 0; color: var(--muted); line-height: 1.65; }
.home-tutors-section { background: #fff; }
.home-tutor-preview-card { min-width: 0; display: flex; flex-direction: column; gap: 14px; overflow-wrap: anywhere; }
.home-tutor-avatar { width: 72px; height: 72px; display: grid; flex: 0 0 auto; place-items: center; overflow: hidden; border-radius: 50%; background: linear-gradient(135deg, #dff9f7, #e5e9ff); color: var(--aurora-primary); font-size: 28px; font-weight: 900; }
.home-tutor-avatar img { width: 100%; height: 100%; object-fit: cover; }
.home-tutor-preview-card h3 { margin: 10px 0 6px; font-size: 20px; }
.home-tutor-preview-card h3 a:hover { color: var(--aurora-primary); }
.home-tutor-preview-card p { min-height: 3.4em; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.home-tutor-preview-card > .text-link { margin-top: auto; align-self: flex-start; }
.home-tutor-preview-card:hover .zoom-media img,
.home-tutor-preview-card:focus-within .zoom-media img { transform: scale(1.045); }
.home-reviews-section { background: #f8fbff; }
.home-review-card { min-width: 0; min-height: 190px; display: flex; flex-direction: column; margin: 0; overflow-wrap: anywhere; }
.home-review-card p { margin: 14px 0; color: #435574; line-height: 1.75; }
.home-review-card footer { margin-top: auto; color: var(--aurora-primary); font-size: 14px; font-weight: 800; }
.home-support-section { background: linear-gradient(180deg, #f7fbff, #fff); }
.home-support-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.home-support-card { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; overflow-wrap: anywhere; }
.home-support-card h3 { margin: 13px 0 9px; font-size: 22px; }
.home-support-card > p { line-height: 1.75; }
.home-support-card > .btn,
.home-support-card > .text-link { margin-top: auto; }
.home-support-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(135deg, var(--aurora-primary), var(--aurora-secondary)); font-weight: 900; box-shadow: 0 9px 22px rgba(31, 114, 177, .18); }
.home-teacher-list { width: 100%; display: grid; gap: 2px; margin-bottom: 18px; }
.home-teacher-list p { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin: 0; padding: 10px 0; border-bottom: 1px solid var(--line); }
.home-teacher-list p span { color: var(--muted); font-size: 13px; text-align: right; }
.home-review-list { display: grid; gap: 12px; }
.home-review-list blockquote { min-width: 0; margin: 0; padding: 13px 0; border-bottom: 1px solid var(--line); }
.home-review-list blockquote:last-child { border-bottom: 0; }
.home-review-list blockquote p { margin: 7px 0 0; color: #465777; line-height: 1.6; }
.home-blog-section { background: #fff; }
.home-blog-card { min-width: 0; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.home-blog-card .tag { align-self: flex-start; }
.home-blog-card h3 { margin: 0; font-size: 21px; line-height: 1.45; }
.home-blog-card > p { line-height: 1.7; }
.home-blog-card > .text-link { align-self: flex-start; margin-top: auto; }
.home-blog-media { display: block; margin: -22px -22px 8px; aspect-ratio: 16 / 9; overflow: hidden; background: #eef5ff; }
.home-blog-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.home-blog-card:hover .home-blog-media img,
.home-blog-card:focus-within .home-blog-media img { transform: scale(1.04); }
.home-partners-section { background: #f8fbff; }
.home-partner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.home-partner-card { min-width: 0; min-height: 100px; display: grid; place-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--aurora-primary); text-align: center; box-shadow: 0 8px 24px rgba(34, 70, 118, .06); transition: translate .2s ease, box-shadow .2s ease; }
.home-partner-card:hover,
.home-partner-card:focus-visible { translate: 0 -3px; box-shadow: 0 12px 30px rgba(34, 70, 118, .12); }
.home-partner-card img { display: block; max-width: 100%; max-height: 68px; width: auto; height: auto; object-fit: contain; }

.promise-section { padding: 66px 0 58px; background: radial-gradient(circle at 92% 7%, rgba(94,90,240,.13), transparent 27%), radial-gradient(circle at 4% 28%, rgba(22,190,184,.1), transparent 23%), #fcfdff; }
.promise-heading { margin-bottom: 28px; }
.promise-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); }
.promise-heading p:not(.eyebrow) { max-width: 800px; margin: 12px 0 0; color: #4e5f7f; font-size: 17px; }
.promise-legacy-content { margin-bottom: 28px; overflow-wrap: anywhere; }
.promise-legacy-content > :first-child { margin-top: 0; }
.promise-legacy-content > :last-child { margin-bottom: 0; }
.promise-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.promise-card { min-width: 0; padding: 26px; border: 1px solid #d9e7f4; border-radius: 20px; background: rgba(255,255,255,.76); box-shadow: inset 0 0 35px rgba(26,183,180,.045); }
.promise-card:nth-child(even) { border-color: #ddd8fa; box-shadow: inset 0 0 35px rgba(113,81,236,.05); }
.promise-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #d8f8f7, #e9e8ff); color: #168f9c; font-size: 25px; font-weight: 900; box-shadow: 0 8px 20px rgba(55, 117, 178, .13); }
.promise-icon.small { width: 42px; height: 42px; flex: 0 0 auto; font-size: 18px; }
.promise-card h3 { margin: 18px 0 10px; font-size: 20px; }
.promise-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.promise-detail-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(300px, .8fr); gap: 28px; margin-top: 34px; align-items: start; }
.promise-detail-grid h3,
.promise-faq > h3 { font-size: 26px; margin: 0 0 14px; }
.promise-accordion { border: 1px solid #dce5f2; border-radius: 16px; overflow: hidden; background: #fff; }
.promise-accordion .accordion-item { padding: 0; }
.promise-accordion .accordion-title { padding: 15px 18px; gap: 16px; }
.promise-term-label { min-width: 0; display: flex; align-items: center; gap: 12px; text-align: left; }
.promise-term-icon { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; border-radius: 9px; background: linear-gradient(135deg, #dcf8f6, #eeeaff); color: #168f9c; font-size: 15px; font-weight: 900; }
.promise-accordion .accordion-content { padding: 0 18px 15px; }
.promise-accordion .accordion-content p { margin: 0; }
.promise-notice { padding: 30px; border: 1px solid #d9ddfa; border-radius: 24px; background: linear-gradient(145deg, rgba(245,252,255,.97), rgba(246,240,255,.97)); box-shadow: 0 16px 34px rgba(75, 67, 172, .08); }
.promise-notice ul { padding: 0; margin: 0; list-style: none; }
.promise-notice li { position: relative; padding: 14px 0 14px 34px; border-bottom: 1px solid rgba(136,145,190,.2); color: #34476d; }
.promise-notice li:last-child { border: 0; }
.promise-notice li::before { content: "✓"; position: absolute; left: 0; top: 14px; width: 21px; height: 21px; display: grid; place-items: center; border-radius: 50%; background: #7861ef; color: #fff; font-size: 12px; }
.promise-faq { margin-top: 32px; }
.promise-faq-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.promise-faq article { display: flex; gap: 15px; padding: 22px; border: 1px solid #dce5f4; border-radius: 16px; background: #fff; }
.promise-faq h4 { margin: 0 0 7px; font-size: 17px; }
.promise-faq p { margin: 0; color: var(--muted); line-height: 1.65; }
.promise-cta { margin-top: 28px; min-height: 116px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 34px; border: 1px solid #cfe2f4; border-radius: 22px; background: linear-gradient(100deg, rgba(225,250,252,.92), rgba(250,250,255,.95) 48%, rgba(235,226,255,.9)); overflow: hidden; }
.promise-cta h3 { margin: 0 0 6px; font-size: 23px; }
.promise-cta p { margin: 0; color: var(--muted); }
.promise-cta > div:last-child { display: flex; gap: 12px; flex-wrap: wrap; }

.subject-page-heading { padding-top: 42px; padding-bottom: 8px; }
.subject-page-heading nav { display: flex; gap: 9px; color: var(--muted); font-size: 14px; }
.subject-page-heading .eyebrow { margin: 26px 0 8px; }
.subject-page-heading h1 { margin: 0; font-size: clamp(34px, 4vw, 50px); }
.subject-page-heading > p:last-child { max-width: 760px; color: var(--muted); }
.subject-latest { padding-top: 28px; }
.subject-latest .section-head h2,
.subject-series .section-head h2 { margin: 0; font-size: 30px; }
.subject-latest .section-head p,
.subject-series .section-head p { margin: 8px 0 0; color: var(--muted); }
.subject-course-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.course-catalog-page { min-height: 56vh; background: linear-gradient(180deg, #fbfdff, #fff); }
.course-catalog-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin: 8px 0 30px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.course-catalog-heading .eyebrow { margin: 0 0 8px; }
.course-catalog-heading h1 { margin: 0; font-size: clamp(32px, 4vw, 48px); }
.course-catalog-heading p:last-child { max-width: 780px; margin: 10px 0 0; color: var(--muted); line-height: 1.7; }
.course-catalog-empty { max-width: 640px; margin: 0 auto; text-align: center; }
.course-catalog-empty h2 { margin-top: 0; }
.empty-state { padding: 50px 24px; border: 1px dashed #cbd8ea; border-radius: 16px; text-align: center; background: #fafdff; }
.empty-state h3 { margin-top: 0; }
.course-card { border-radius: 12px; min-width: 0; }
.course-card .course-image { aspect-ratio: 16 / 9; height: auto; }
.course-card .course-body { min-height: 236px; }
.course-capacity { margin: 0; font-size: 13px; font-weight: 800; }
.course-capacity.is-open { color: var(--aurora-primary); }
.course-capacity.is-low { color: #d48600; }
.course-capacity.is-full { color: #c63c4a; }
.course-foot .old-price { margin-left: auto; font-size: 12px; }

.registration-modal { width: min(100% - 32px, 390px); max-height: calc(100dvh - 32px); overflow: auto; padding: 28px; border: 0; border-radius: 14px; color: var(--ink); box-shadow: 0 28px 80px rgba(3,18,50,.3); }
.registration-modal::backdrop { background: rgba(9, 18, 42, .6); backdrop-filter: blur(3px); }
.registration-modal h2 { margin: 0 34px 20px 0; font-size: 25px; }
.registration-modal .modal-close { position: absolute; top: 14px; right: 16px; float: none; }
.social-registration-list { display: grid; gap: 8px; }
.social-register-button { width: 100%; min-height: 50px; display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid #ccd8ed; border-radius: 7px; background: #fff; color: #263654; text-align: left; font: inherit; cursor: pointer; }
.social-register-button > span { font-size: 20px; font-weight: 900; text-align: center; }
.social-register-button small { color: #8a95a8; font-size: 11px; }
.social-register-button:disabled { opacity: .62; cursor: not-allowed; }
.social-register-button:not(:disabled):hover { border-color: #3da9b0; background: #f6ffff; }
.modal-divider { display: flex; align-items: center; gap: 10px; margin: 20px 0 14px; color: #69758d; font-size: 13px; }
.modal-divider::before,
.modal-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.phone-register-form { display: grid; grid-template-columns: auto 1fr; align-items: center; border: 1px solid #ccd8ed; border-radius: 7px; overflow: hidden; }
.phone-register-form > span { padding: 0 12px; border-right: 1px solid #dce4ef; }
.phone-register-form input { width: 100%; min-width: 0; height: 48px; padding: 0 12px; border: 0; font: inherit; }
.phone-register-form .btn { grid-column: 1 / -1; border-radius: 0; }
.phone-register-form .btn:disabled { filter: grayscale(1); opacity: .55; cursor: not-allowed; }
.registration-status { padding: 10px 12px; border-radius: 8px; background: #fff8e8; color: #856212; font-size: 12px; line-height: 1.55; }
.registration-consent,
.registration-login { margin: 17px 0 0; text-align: center; color: var(--muted); font-size: 12px; line-height: 1.65; }
.registration-consent a,
.registration-login a { color: var(--aurora-primary); font-weight: 800; }
.registration-login { margin-top: 28px; font-size: 14px; }

.aurora-public .site-footer { margin-top: 0; padding: 46px 0 20px; background: #0d1f46; color: #fff; border: 0; }
.aurora-public .footer-grid { grid-template-columns: 1.5fr repeat(3, minmax(150px, 1fr)); align-items: start; gap: 40px; }
.footer-brand .brand { min-width: 0; }
.footer-brand .brand img { filter: brightness(0) invert(1); opacity: .96; }
.footer-brand p { max-width: 360px; color: #bdc8dd; line-height: 1.7; }
.footer-grid h2 { margin: 0 0 14px; font-size: 15px; }
.footer-grid nav { display: grid; align-content: start; gap: 10px; }
.footer-grid nav a,
.footer-contact p,
.footer-contact a { margin: 0; color: #bdc8dd; font-size: 14px; line-height: 1.6; }
.footer-grid nav a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 28px; margin-top: 30px; border-top: 1px solid rgba(255,255,255,.12); color: #93a2be; font-size: 12px; }
.footer-languages { text-align: center; overflow-wrap: anywhere; }
.aurora-public .whatsapp-float { width: auto; min-width: 58px; padding: 0 18px; gap: 7px; border-radius: 999px; }
.aurora-public .whatsapp-float span:last-child { font-size: 13px; }

@media (max-width: 1240px) {
  .aurora-public .nav-wrap { flex-wrap: wrap; min-height: 68px; padding-block: 10px; }
  .aurora-public .main-nav { order: 4; display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 6px; }
  .aurora-public .main-nav.is-open { display: flex; }
  .aurora-public .main-nav a { padding: 12px 5px; border-top: 1px solid #edf1f7; }
  .aurora-public .main-nav a.is-active::after { display: none; }
  .mobile-nav-toggle { order: 3; width: 42px; height: 42px; display: grid; align-content: center; gap: 5px; padding: 9px; border: 0; border-radius: 8px; background: #eff8fb; cursor: pointer; }
  .mobile-nav-toggle span:not(.sr-only) { display: block; height: 2px; background: #153263; }
  .header-search { margin-left: auto; }
}

@media (max-width: 1023px) {
  .aurora-public .container { padding-inline: 22px; }
  .promise-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .promise-detail-grid { grid-template-columns: 1fr; }
  .promise-faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subject-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-personalised-card { padding: 26px; }
  .aurora-public .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .aurora-public .nav-wrap { gap: 10px; padding-inline: 16px; }
  .aurora-public .brand { min-width: 0; margin-right: auto; }
  .aurora-public .brand img { width: 142px; height: 40px; }
  .header-search { order: 5; flex: 1 0 100%; }
  .header-account .btn { padding: 9px 13px; font-size: 13px; }
  .aurora-public .subject-strip { padding-inline: 12px; }
  .shelf-heading { align-items: start; }
  .offer-heading { flex-direction: column; }
  .offer-countdown { width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .offer-countdown > span:not(.countdown-label) { min-width: 52px; }
  .offer-countdown b { font-size: 20px; }
  .course-catalog-heading { align-items: flex-start; flex-direction: column; }
  .course-catalog-heading .btn { width: 100%; }
  .home-personalised-card { grid-template-columns: auto minmax(0, 1fr); gap: 16px; }
  .home-personalised-card .btn { grid-column: 1 / -1; width: 100%; }
  .promise-cta { flex-direction: column; align-items: flex-start; }
  .promise-faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .aurora-public .container { padding-inline: 16px; }
  .header-account { gap: 5px; }
  .header-account .btn { padding-inline: 9px; font-size: 12px; }
  .aurora-public .brand img { width: 126px; }
  .subject-link { padding-inline: 10px; }
  .aurora-shelf { padding: 36px 0 44px; }
  .shelf-heading { gap: 12px; }
  .shelf-heading .text-link { display: none; }
  .promise-section { padding: 46px 0 40px; }
  .promise-card-grid { grid-template-columns: 1fr; }
  .promise-card { padding: 22px; }
  .promise-notice { padding: 22px; }
  .promise-cta { padding: 22px; }
  .promise-cta > div:last-child,
  .promise-cta .btn { width: 100%; }
  .home-support-grid { grid-template-columns: 1fr; }
  .home-featured-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scroll-snap-type: x proximity; }
  .home-featured-tabs button { flex: 0 0 auto; scroll-snap-align: start; }
  .home-personalised-card { grid-template-columns: 1fr; padding: 22px; }
  .home-course-section .section-head,
  .home-support-section .section-head { align-items: flex-start; flex-direction: column; }
  .home-course-section .section-head .text-link { display: inline-flex; }
  .home-teacher-list p { align-items: flex-start; flex-direction: column; gap: 3px; }
  .home-teacher-list p span { text-align: left; }
  .aurora-public .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .aurora-public .whatsapp-float { width: 52px; height: 52px; min-width: 0; padding: 0; right: 14px; bottom: 14px; }
  .aurora-public .whatsapp-float span:last-child { display: none; }
}

@media (max-width: 479px) {
  .subject-course-grid { grid-template-columns: 1fr; }
  .aurora-hero-carousel .carousel-viewport,
  .hero-slide-link,
  .hero-mobile-copy { min-height: 430px; }
  .aurora-hero-carousel .carousel-viewport { aspect-ratio: auto; }
  .hero-slide-link { position: relative; background: linear-gradient(150deg, #e7fbff, #f2edff); }
  .hero-desktop-art { position: absolute; inset: 0; }
  .hero-desktop-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(242,253,255,.98) 0%, rgba(242,253,255,.89) 62%, rgba(242,253,255,.12) 100%); }
  .hero-desktop-art img { object-position: 68% center; }
  .hero-mobile-copy { position: relative; z-index: 2; width: 82%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 42px 18px 68px; }
  .hero-mobile-copy .aurora-pill { padding: 5px 14px; border-radius: 999px; background: var(--aurora-gradient); color: #fff; font-weight: 900; }
  .hero-mobile-copy p { margin: 10px 0 0; color: #2a416f; line-height: 1.55; }
  .hero-mobile-copy h1 { margin: 12px 0; font-size: clamp(31px, 9vw, 42px); line-height: 1.1; background: linear-gradient(110deg, var(--aurora-secondary), var(--aurora-primary)); -webkit-background-clip: text; color: transparent; }
  .hero-mobile-copy .btn { margin-top: 20px; }
  .aurora-hero-carousel > .aurora-carousel-controls { align-items: end; justify-content: end; padding: 0 14px 14px; gap: 8px; }
  .aurora-hero-carousel > .aurora-carousel-controls .carousel-arrow { width: 42px; height: 42px; }
  .aurora-hero-carousel > .aurora-carousel-controls .carousel-arrow-prev { margin-right: auto; }
  .aurora-hero-carousel > .aurora-carousel-controls .carousel-dots { bottom: 22px; }
  .aurora-hero-carousel > .aurora-carousel-controls .carousel-counter,
  .hero-autoplay-note { display: none; }
  .offer-card-body { min-height: 114px; }
  .carousel-dots button { width: 24px; }
  .carousel-dots button.is-active { width: 40px; }
  .registration-modal { padding: 24px 20px; }
}

@media (max-width: 359px) {
  .aurora-public .nav-wrap { padding-inline: 12px; }
  .aurora-public .brand img { width: 112px; }
  .header-account .btn-primary { padding-inline: 10px; }
  .mobile-nav-toggle { width: 38px; height: 38px; }
  .hero-mobile-copy { width: 90%; }
  .offer-countdown .countdown-label { display: none; }
  .offer-countdown { gap: 5px; }
  .offer-countdown > span:not(.countdown-label) { min-width: 48px; padding-inline: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .zoom-media img { transform: none !important; }
}