:root {
  --bg: #f4f7fb;
  --bg-secondary: #ffffff;
  --bg-hero: #0c2744;
  --bg-footer: #0a1f36;
  --accent: #2b7de9;
  --accent-dark: #0c2744;
  --accent-light: #e8f2fd;
  --text: #1a2b4a;
  --text-muted: #5a6b85;
  --text-on-dark: #ffffff;
  --whatsapp: #25D366;
  --card-border: #e2e8f0;
  --shadow: 0 4px 24px rgba(12, 39, 68, 0.08);
  --shadow-hover: 0 12px 40px rgba(43, 125, 233, 0.15);
  --radius: 12px;
  --radius-xl: 1.5rem;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-label: 'Inter', sans-serif;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(43, 125, 233, 0.12);
  --glass-glow: rgba(43, 125, 233, 0.12);
  --gold: #e9c400;
}

.site-front {
  --bg: #10131a;
  --bg-secondary: #1d2026;
  --bg-hero: #0b0e14;
  --bg-footer: #0b0e14;
  --accent: #d1bcff;
  --accent-dark: #fff9ef;
  --accent-light: rgba(209, 188, 255, 0.1);
  --text: #e1e2eb;
  --text-muted: #cbc3d6;
  --text-on-dark: #ffffff;
  --outline: #958e9f;
  --card-border: rgba(209, 188, 255, 0.12);
  --shadow: 0 0 32px rgba(209, 188, 255, 0.05);
  --shadow-hover: 0 0 40px rgba(209, 188, 255, 0.15);
  --radius: 1rem;
  --radius-xl: 1.5rem;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Manrope', sans-serif;
  --font-label: 'Space Grotesk', sans-serif;
  --glass-bg: rgba(214, 188, 244, 0.08);
  --glass-border: rgba(209, 188, 255, 0.1);
  --glass-glow: rgba(209, 188, 255, 0.12);
  --gold: #ffe16d;
  --tertiary: #d6bcf4;
  --on-primary: #3c0090;
  --surface-container: #1d2026;
  --surface-container-high: #272a31;
}

.site-admin {
  --bg: #10131a;
  --bg-secondary: #1d2026;
  --bg-hero: #0b0e14;
  --bg-footer: #0b0e14;
  --accent: #d1bcff;
  --accent-dark: #fff9ef;
  --accent-light: rgba(209, 188, 255, 0.1);
  --text: #e1e2eb;
  --text-muted: #cbc3d6;
  --text-on-dark: #ffffff;
  --outline: #958e9f;
  --card-border: rgba(209, 188, 255, 0.12);
  --shadow: 0 0 32px rgba(209, 188, 255, 0.05);
  --shadow-hover: 0 0 40px rgba(209, 188, 255, 0.15);
  --radius: 1rem;
  --radius-xl: 1.5rem;
  --glass-bg: rgba(214, 188, 244, 0.08);
  --glass-border: rgba(209, 188, 255, 0.1);
  --glass-glow: rgba(209, 188, 255, 0.12);
  --gold: #ffe16d;
  --tertiary: #d6bcf4;
  --on-primary: #3c0090;
  --surface-container: #1d2026;
  --surface-container-high: #272a31;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.site-front,
.site-admin { background: var(--bg); }

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.site-bg__stars {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
  background-size: 40px 40px;
}

.site-bg__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.site-bg__glow--tr {
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: rgba(209, 188, 255, 0.1);
}

.site-bg__glow--bl {
  bottom: -100px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: rgba(214, 188, 244, 0.05);
}

.site-front .main,
.site-front .footer { position: relative; z-index: 1; }

.site-front .navbar {
  position: fixed;
  z-index: 200;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #1a5fb8; }
.site-front a:hover { color: var(--accent); }

.gradient-text {
  background: linear-gradient(135deg, #d1bcff 0%, #fff9ef 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-eyebrow {
  display: block;
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__head { text-align: center; margin-bottom: 0.5rem; }

.section__divider {
  width: 6rem;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
  margin: 0.75rem auto 0;
}

.celestial-glow { box-shadow: 0 0 40px rgba(209, 188, 255, 0.08); }

.empty-state {
  text-align: center;
  color: var(--outline);
  padding: 2rem 0;
}

/* Glass components (mockup) */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.35s,
              box-shadow 0.35s,
              background 0.35s;
}

.site-front .glass-card:hover {
  background: rgba(214, 188, 244, 0.12);
  border-color: rgba(209, 188, 255, 0.3);
  box-shadow: 0 0 32px rgba(209, 188, 255, 0.1);
  transform: translateY(-4px);
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 0.75rem 1rem;
}

.site-front .glass-panel {
  border-radius: 1.25rem;
  padding: 1rem 1.25rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 2px 12px rgba(12, 39, 68, 0.06);
  transition: background 0.3s, box-shadow 0.3s;
}

.site-front .navbar {
  background: rgba(16, 19, 26, 0.8);
  border-bottom: 1px solid rgba(209, 188, 255, 0.1);
  box-shadow: 0 0 32px rgba(209, 188, 255, 0.05);
}

.navbar.scrolled {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(12, 39, 68, 0.1);
}

.site-front .navbar.scrolled {
  background: rgba(16, 19, 26, 0.95);
  box-shadow: 0 0 32px rgba(209, 188, 255, 0.08);
}

.navbar__cta {
  display: none;
  flex-shrink: 0;
  padding: 0.45rem 1.25rem;
  border-radius: 9999px;
  background: var(--accent);
  color: var(--on-primary);
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: transform 0.2s, box-shadow 0.2s;
}

.site-front .navbar__cta {
  display: inline-flex;
  align-items: center;
  box-shadow: 0 4px 16px rgba(209, 188, 255, 0.2);
}

.site-front .navbar__cta:hover {
  color: var(--on-primary);
  transform: scale(1.03);
}

.navbar__menu a.is-active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.15rem;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: -0.01em;
}

.navbar__logo:hover { color: var(--accent-dark); }

.navbar__logo-img,
.site-logo-img.navbar__logo-img {
  height: 40px;
  width: auto;
  max-width: min(200px, 52vw);
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .navbar__logo-img { height: 46px; max-width: 240px; }
}

.site-front .navbar__logo-img {
  filter: brightness(1.08) contrast(1.05);
}

.navbar__menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar__menu a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-front .navbar__menu a {
  font-family: var(--font-label);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.navbar__menu a:hover { color: var(--accent); }

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  z-index: 201;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  transition: 0.3s;
}

.main { padding-top: 70px; }

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-hero) 0%, #164a7a 100%);
}

.hero--compact {
  min-height: auto;
  padding: 2.5rem 0;
}

.site-front .hero {
  background: transparent;
  border-bottom: 1px solid rgba(209, 188, 255, 0.08);
}

.site-front .hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(109, 64, 204, 0.15), transparent 60%);
  pointer-events: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 233, 109, 0.3);
  color: var(--gold);
  background: transparent;
  transition: background 0.2s, transform 0.2s;
}

.site-front .btn-ghost {
  font-family: var(--font-label);
  letter-spacing: 0.04em;
}

.site-front .btn-ghost:hover {
  background: rgba(255, 233, 109, 0.1);
  color: var(--gold);
  transform: translateY(-2px);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 0 1.25rem;
  max-width: 640px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  color: var(--text-on-dark);
  margin-bottom: 0.6rem;
  line-height: 1.3;
  font-weight: 800;
}

.site-front .hero__title {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-front .hero__title.gradient-text,
.site-front .page-header__title.gradient-text {
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.site-front .hero__subtitle {
  color: var(--text-muted);
}

.hero__subtitle {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

.hero--compact .btn-primary {
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(43, 125, 233, 0.35);
}

.btn-primary:hover {
  background: #1a6fd4;
  box-shadow: 0 6px 24px rgba(43, 125, 233, 0.45);
  color: #ffffff;
}

.site-front .btn-primary {
  background: linear-gradient(135deg, #d1bcff 0%, #a178ff 100%);
  color: var(--on-primary);
  border: none;
  font-family: var(--font-label);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 20px rgba(209, 188, 255, 0.25);
}

.site-front .btn-primary:hover {
  background: linear-gradient(135deg, #e9ddff 0%, #d1bcff 100%);
  color: var(--on-primary);
  box-shadow: 0 6px 28px rgba(209, 188, 255, 0.35);
  transform: translateY(-2px);
}

.btn-course-wa {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  background: rgba(209, 188, 255, 0.1);
  border: 1px solid rgba(209, 188, 255, 0.2);
  color: var(--accent);
  font-family: var(--font-label);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-course-wa:hover {
  background: linear-gradient(135deg, #25D366 0%, #1ebe57 100%);
  color: #ffffff;
  border-color: #25D366;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.site-front a.btn-course-wa {
  color: #d1bcff;
}

.site-front a.btn-course-wa:hover,
.site-front a.btn-course-wa:focus-visible {
  color: #ffffff;
}

.site-front a.btn-whatsapp:hover,
.site-front a.btn-whatsapp-lg:hover {
  color: #ffffff;
}

.btn-whatsapp-lg {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 9999px;
  background: var(--whatsapp);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  transition: transform 0.2s, filter 0.2s;
}

.btn-whatsapp-lg:hover {
  color: #fff;
  filter: brightness(1.08);
  transform: scale(1.03);
}

.btn-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--whatsapp);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.2s;
}

.btn-whatsapp:hover { background: #1ebe57; color: #fff; transform: translateY(-1px); }

/* Sections */
.section { padding: 3.5rem 0; }

.section--alt { background: var(--accent-light); }

.section--tight { padding-top: 1.5rem; }

.site-front .section--alt {
  background: rgba(25, 28, 34, 0.6);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--accent-dark);
  text-align: center;
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.site-front .section__title {
  font-weight: 600;
  color: var(--accent-dark);
}

.section__subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.site-front .section__subtitle {
  font-size: 1.05rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Category cards */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  box-shadow: var(--shadow);
  color: inherit;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
  color: inherit;
}

.site-front .category-card {
  border-radius: var(--radius-xl);
}

.site-front .category-card:hover { color: inherit; }

.category-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: var(--accent-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.site-front .category-card__icon {
  border-radius: 50%;
  border: 1px solid rgba(209, 188, 255, 0.2);
  background: rgba(209, 188, 255, 0.1);
}

.category-card__icon-img,
.category-favicon,
.category-chip__icon,
.course-card__category-icon,
.course-detail__category-icon {
  display: block;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: center;
}

.category-card__icon-img,
.category-favicon {
  width: 70%;
  height: 70%;
  max-width: 70%;
  max-height: 70%;
}

.category-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.category-card:hover .category-card__title { color: var(--accent); }

.category-card__desc { font-size: 0.85rem; color: var(--text-muted); }

/* Course cards */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.site-front .course-grid {
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .site-front .course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .site-front .course-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1280px) {
  .site-front .course-grid { grid-template-columns: repeat(4, 1fr); }
}

.course-grid > * {
  display: flex;
  height: 100%;
}

.course-card {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  box-shadow: var(--shadow);
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.site-front .course-card {
  border-radius: var(--radius-xl);
}

.site-front .course-card:hover {
  transform: translateY(-4px);
}

.course-card__image-link {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--accent-light);
}

.site-front .course-card__image-link {
  aspect-ratio: auto;
  height: 12rem;
  background: var(--surface-container);
}

.course-card__image-link--placeholder {
  background: linear-gradient(135deg, #1d2026 0%, #272a31 100%);
}

.site-front .course-card__image-link--placeholder {
  border-bottom: 1px solid rgba(209, 188, 255, 0.08);
}

.course-card__image--placeholder {
  width: auto;
  height: auto;
  max-width: min(5.5rem, 48%);
  max-height: min(5.5rem, 58%);
  object-fit: contain;
  padding: 1.25rem;
  opacity: 0.95;
}

.course-card__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.3s;
  padding: 0.35rem;
}

.course-card:hover .course-card__image { transform: scale(1.02); }

.course-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 220px;
}

.course-card__body .btn-whatsapp { margin-top: auto; }

.course-card__category {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-card__category-icon {
  width: 1rem;
  height: 1rem;
  min-width: 1rem;
  min-height: 1rem;
}

.site-front .course-card__category {
  font-family: var(--font-label);
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.site-front .course-card__title {
  font-size: 1.15rem;
  color: var(--accent-dark);
}

.site-front .course-card__title a { color: var(--accent-dark); }
.site-front .course-card__title a:hover { color: var(--accent); }

.site-front .course-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-front .course-card__body {
  padding: 1.25rem;
  min-height: auto;
}

.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
}

.course-card__title a { color: var(--accent-dark); }
.course-card__title a:hover { color: var(--accent); }

.course-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1;
  min-height: 2.8rem;
  line-height: 1.5;
}

.course-card__badges {
  min-height: 2rem;
  display: flex;
  align-items: flex-start;
}

/* Badges */
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--accent-light);
  border: 1px solid rgba(43, 125, 233, 0.25);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

.site-front .badge {
  border-radius: 9999px;
  background: rgba(209, 188, 255, 0.1);
  border-color: var(--glass-border);
  color: var(--accent);
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

/* Catalog toolbar: search + category chips */
.catalog-toolbar {
  margin-bottom: 2.5rem;
}

.catalog-toolbar__categories {
  margin-top: 1.25rem;
}

.catalog-toolbar__label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 0.65rem;
}

.category-chips {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding: 0.2rem 0.25rem 0.4rem;
  cursor: grab;
  touch-action: pan-x;
}

.category-chips.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  user-select: none;
}

.category-chips::-webkit-scrollbar {
  display: none;
}

.category-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(149, 142, 159, 0.18);
  background: rgba(29, 32, 38, 0.55);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

.category-chip:hover {
  border-color: rgba(209, 188, 255, 0.35);
  background: rgba(209, 188, 255, 0.08);
  color: var(--text);
}

.site-front .category-chip:hover {
  color: var(--accent-dark);
}

.category-chip.active {
  border-color: rgba(209, 188, 255, 0.5);
  background: linear-gradient(135deg, rgba(209, 188, 255, 0.18) 0%, rgba(161, 120, 255, 0.12) 100%);
  color: var(--accent-dark);
  box-shadow: 0 0 18px rgba(209, 188, 255, 0.12);
}

.site-front a.category-chip.active:hover {
  color: var(--accent-dark);
}

.category-chip__icon {
  width: 1.25rem;
  height: 1.25rem;
  min-width: 1.25rem;
  min-height: 1.25rem;
}

.course-search {
  position: relative;
  flex: 0 0 auto;
  width: clamp(128px, 32vw, 280px);
  min-width: 128px;
}

.course-search--full {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.course-search__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--outline);
  pointer-events: none;
}

.course-search__input {
  width: 100%;
  padding: 0.6rem 0.85rem 0.6rem 2.5rem;
  border-radius: 9999px;
  border: 1px solid var(--card-border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

@media (min-width: 768px) {
  .course-search__input {
    padding: 0.65rem 1rem 0.65rem 2.75rem;
    font-size: 0.95rem;
  }
}

.course-search__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(209, 188, 255, 0.15);
}

.site-front .course-search__input {
  background: var(--surface-container);
  border-color: rgba(149, 142, 159, 0.25);
  color: var(--text);
}

.site-front .course-search__input::placeholder {
  color: var(--outline);
}

.site-front .course-search--full .course-search__input {
  background: rgba(29, 32, 38, 0.65);
  border-color: rgba(209, 188, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-front .course-search--full .course-search__input:focus {
  border-color: rgba(209, 188, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(209, 188, 255, 0.1);
}

/* Page header */
.page-header {
  padding: 4rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%);
}

.site-front .page-header {
  padding: 3rem 0 2rem;
  background: transparent;
  border-bottom: none;
  text-align: center;
}

.site-front .page-header__title {
  color: var(--accent-dark);
  font-weight: 600;
}

.site-front .page-header__desc {
  color: var(--outline);
  max-width: 42rem;
}

.page-header__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--accent-dark);
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.page-header__desc { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* Course detail */
.course-detail { padding: 2.5rem 0 5rem; }

.course-detail__header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
}

.course-detail__category {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 1rem;
  background: var(--accent-light);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.course-detail__category-icon {
  width: 1.125rem;
  height: 1.125rem;
  min-width: 1.125rem;
  min-height: 1.125rem;
}

.course-detail__category:hover { color: var(--accent-dark); }

.course-detail__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--accent-dark);
  margin-bottom: 1rem;
  font-weight: 800;
  line-height: 1.25;
}

.course-detail__layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.course-detail__media {
  position: sticky;
  top: 90px;
}

.course-detail__cover {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--accent-light);
  box-shadow: var(--shadow);
  aspect-ratio: 3/4;
}

.course-detail__cover img,
.course-detail__main-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 0.5rem;
}

.course-detail__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.course-detail__thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--card-border);
  aspect-ratio: 3/4;
  background: var(--accent-light);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.course-detail__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 0.25rem;
  pointer-events: none;
}

.course-detail__thumb:hover { border-color: var(--accent); }

.course-detail__thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(43, 125, 233, 0.25);
}

.course-detail__info {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.site-front .course-detail__info,
.site-front .course-detail__cover {
  border-radius: var(--radius-xl);
}

.site-front .course-detail__info {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--glass-border);
}

.site-front .course-detail__title { color: var(--accent-dark); }

.site-front .course-detail__category {
  background: rgba(209, 188, 255, 0.12);
  color: var(--accent);
  border: 1px solid var(--glass-border);
}

.site-front .course-detail__lead { color: var(--accent-dark); }

.site-front .course-detail__description { color: var(--text-muted); }

.site-front .course-detail__cover {
  background: var(--surface-container);
  border-color: var(--glass-border);
}

.course-detail__cover--placeholder {
  background: linear-gradient(135deg, #1d2026 0%, #272a31 100%);
}

.course-detail__cover--placeholder .course-detail__main-img {
  width: auto;
  height: auto;
  max-width: min(7rem, 42%);
  max-height: min(7rem, 50%);
  padding: 1.5rem;
}

.site-front .course-detail__thumb {
  background: var(--surface-container);
  border-color: var(--glass-border);
}

.site-front .course-detail__thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(209, 188, 255, 0.25);
}

.site-front .category-card__title { color: var(--accent-dark); }

.site-front .navbar__toggle span { background: var(--accent); }


.course-detail__lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.course-detail__section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--accent-dark);
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.course-detail__video-section {
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
  border: 1px solid var(--card-border);
  background: #000;
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-wrapper--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-upload-slot {
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
}

.course-detail__content { margin-bottom: 1.5rem; }

.course-detail__description {
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 1rem;
}

.course-detail__cta { margin-top: 1.5rem; }

.course-detail__cta .btn-whatsapp { padding: 1rem; font-size: 1rem; }

/* About */
.about-content { max-width: 800px; margin: 0 auto; }

.about-content p { color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.8; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.about-stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

.site-front .about-stat {
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--glass-border);
}

.about-stat__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--accent);
}

.about-stat__label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* Footer */
.footer {
  background: #ffffff;
  border-top: 1px solid var(--card-border);
  padding: 1.75rem 0 1.5rem;
  margin-top: 3rem;
}

.site-front .footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(149, 142, 159, 0.2);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer__grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer__brand { max-width: 24rem; }

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

.admin-header__logo-img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.site-front .footer__tagline { color: var(--outline); }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer__links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.site-front .footer__links a {
  font-family: var(--font-label);
  letter-spacing: 0.06em;
  color: var(--outline);
}

.footer__links a:hover { color: var(--accent); }
.site-front .footer__links a:hover { color: var(--accent-dark); }

.footer__legal {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
  text-align: center;
  max-width: 52rem;
}

.site-front .footer__legal {
  border-top-color: rgba(149, 142, 159, 0.15);
}

.footer__legal-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.site-front .footer__legal-title {
  color: var(--outline);
}

.footer__legal-text {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--text-muted);
  opacity: 0.85;
}

.site-front .footer__legal-text {
  font-family: var(--font-label);
  color: var(--outline);
  opacity: 0.75;
}

.footer__bottom {
  padding-top: 1.25rem;
  border-top: 1px solid var(--card-border);
  text-align: center;
}

.site-front .footer__bottom {
  border-top-color: rgba(149, 142, 159, 0.15);
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.75;
  margin: 0;
}

.site-front .footer__copy {
  font-family: var(--font-label);
  color: var(--outline);
  opacity: 1;
}

/* WhatsApp CTA block */
.whatsapp-cta {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 1.75rem;
  border-color: rgba(209, 188, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.whatsapp-cta__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.whatsapp-cta__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--accent-dark);
  margin-bottom: 1rem;
  font-weight: 600;
}

.whatsapp-cta__desc {
  color: var(--outline);
  max-width: 36rem;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* Testimonials */
.testimonials {
  padding: 3rem 2rem;
  border-radius: 1.75rem;
  text-align: center;
}

.testimonials__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-style: italic;
  color: var(--accent-dark);
  margin-bottom: 2.5rem;
  font-weight: 500;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonials__item {
  margin: 0;
}

.testimonials__item p {
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.testimonials__item cite {
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--accent);
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .testimonials__item:nth-child(2) {
    border-left: 1px solid rgba(149, 142, 159, 0.2);
    border-right: 1px solid rgba(149, 142, 159, 0.2);
    padding: 0 1.5rem;
  }
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
  color: #fff;
}

.site-front .floating-whatsapp {
  width: auto;
  height: auto;
  padding: 1rem;
  gap: 0.5rem;
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.floating-whatsapp__label {
  display: none;
  font-family: var(--font-label);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
}

.site-front .floating-whatsapp:hover .floating-whatsapp__label {
  display: block;
}

.site-front .floating-whatsapp:hover {
  transform: scale(1.05);
  padding: 1rem 1.25rem;
}

/* Admin */
.admin-main { padding: 2rem 0; min-height: 100vh; position: relative; z-index: 1; }

.admin-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.admin-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-header__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  color: var(--accent);
  font-size: 1.2rem;
}

.admin-header__title:hover { color: var(--accent); }

.admin-nav { display: flex; align-items: center; gap: 1rem; }

.admin-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
}

.admin-nav a:hover, .admin-nav a.active {
  background: var(--accent-light);
  color: var(--accent);
}

.admin-logout-form {
  display: flex;
  align-items: center;
  margin: 0;
}

.admin-logout-form button {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-family: var(--font-body);
  line-height: 1.4;
}

.admin-logout-form button:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.admin-card {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 500px;
  margin: 4rem auto;
}

.admin-card h1 {
  font-family: var(--font-heading);
  color: var(--accent);
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-check { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.form-check input { width: auto; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.alert-success { background: rgba(37,211,102,0.15); border: 1px solid var(--whatsapp); color: #7dffb0; }
.alert-error { background: rgba(255,80,80,0.15); border: 1px solid #ff5050; color: #ff9999; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.admin-table th { color: var(--accent); font-weight: 600; }

.admin-table tr:hover td { background: var(--accent-light); }

.admin-actions { display: flex; gap: 0.5rem; }

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-edit { background: var(--accent-light); color: var(--accent); }
.btn-delete { background: rgba(255,80,80,0.2); color: #ff8080; }
.btn-edit:hover, .btn-delete:hover { opacity: 0.8; }

.admin-form-card {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}

.admin-form-card h2 {
  font-family: var(--font-heading);
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.badge-options { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.video-options { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.5rem; }

.video-option { display: flex; align-items: center; gap: 0.75rem; }
.video-option input[type="text"], .video-option input[type="file"] { flex: 1; }

.hidden { display: none !important; }

.admin-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.admin-search input[type="search"] {
  flex: 1;
  min-width: 220px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.admin-search input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* Fade in */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
  .navbar__inner { position: relative; }

  .navbar__toggle { display: flex; }

  .navbar__menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 200;
    flex-direction: column;
    background: var(--bg);
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--card-border);
  }

  .site-front .navbar__menu {
    background: rgba(11, 14, 20, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .navbar__menu.open { display: flex; }

  .category-chip {
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
  }

  .course-grid { grid-template-columns: 1fr; }

  .site-front .navbar__cta { display: none; }

  .about-stats { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .admin-table { font-size: 0.8rem; }
  .admin-table th, .admin-table td { padding: 0.6rem 0.5rem; }

  .course-detail__layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .course-detail__media { position: static; }

  .course-detail__gallery { grid-template-columns: repeat(3, 1fr); }
}