/* ============================================
   ACADEMIA CLOUD - ESTILOS
   ============================================ */

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;
  --color-bg-card: rgba(30, 41, 59, 0.5);

  --color-text-primary: #ffffff;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;

  --color-accent-cyan: #22d3ee;
  --color-accent-blue: #3b82f6;
  --color-accent-green: #4ade80;
  --color-accent-amber: #fbbf24;
  --color-accent-red: #f87171;
  --color-accent-purple: #a78bfa;

  --gradient-primary: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);

  --border-color: rgba(51, 65, 85, 0.5);
  --border-accent: rgba(34, 211, 238, 0.3);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-cyan: 0 10px 40px rgba(34, 211, 238, 0.25);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.logo-icon-img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color 0.2s;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.mobile-menu-btn {
  display: flex;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
}

.mobile-nav.active {
  display: flex;
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 50px rgba(34, 211, 238, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--color-bg-tertiary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-bg);
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.hero::before {
  top: -5rem;
  right: -5rem;
  background: var(--color-accent-cyan);
}

.hero::after {
  bottom: -5rem;
  left: -5rem;
  background: var(--color-accent-blue);
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 2rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  margin-bottom: 2rem;
}

.hero-badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-badge-text {
  color: var(--color-accent-cyan);
  font-size: 0.875rem;
  font-weight: 500;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 40rem;
  margin: 0 auto 2.5rem;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 48rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .hero-features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-feature {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1rem;
}

.hero-feature-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  color: var(--color-accent-cyan);
}

.hero-feature-text {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

.section-dark {
  background: var(--color-bg-primary);
}

.section-light {
  background: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-subtitle {
  color: var(--color-text-secondary);
  max-width: 40rem;
  margin: 0 auto;
}

/* ============================================
   QUÉ OBTIENES
   ============================================ */
.features-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--border-accent);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  background: var(--gradient-primary);
  opacity: 0.2;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
}

.feature-icon svg {
  position: absolute;
  color: var(--color-accent-cyan);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-description {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.info-box {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  margin-top: 2rem;
}

.info-box-text {
  color: var(--color-text-secondary);
}

.info-box-highlight {
  color: var(--color-accent-cyan);
  font-weight: 500;
}

/* ============================================
   CURSO
   ============================================ */
.course-card {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.course-grid {
  display: grid;
}

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

.course-info {
  padding: 2rem;
}

@media (min-width: 1024px) {
  .course-info {
    padding: 3rem;
  }
}

.course-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: 9999px;
  padding: 0.375rem 0.75rem;
  margin-bottom: 1.5rem;
}

.course-badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent-green);
  border-radius: 50%;
}

.course-badge-text {
  color: var(--color-accent-green);
  font-size: 0.875rem;
  font-weight: 500;
}

.course-vendor-logo {
  height: 2rem;
  width: auto;
  margin-bottom: 0.75rem;
  display: block;
}

.course-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .course-title {
    font-size: 1.875rem;
  }
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.course-meta-icon {
  color: var(--color-accent-cyan);
}

.course-schedule {
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-xl);
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.course-schedule .course-meta-item {
  margin: 0;
}

.course-includes-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.course-includes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.course-includes-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text-secondary);
}

.course-includes-icon {
  color: var(--color-accent-cyan);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.course-modules {
  background: rgba(15, 23, 42, 0.5);
  padding: 2rem;
  border-top: 1px solid var(--border-color);
}

@media (min-width: 1024px) {
  .course-modules {
    padding: 3rem;
    border-top: none;
    border-left: 1px solid var(--border-color);
  }
}

.course-modules-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.course-modules-icon {
  color: var(--color-accent-cyan);
}

.course-modules-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.course-module {
  background: var(--color-bg-card);
  border: 1px solid rgba(51, 65, 85, 0.3);
  border-radius: var(--radius-xl);
  padding: 1rem;
}

.course-module-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.course-module-number {
  width: 1.75rem;
  height: 1.75rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.course-module-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.course-module-name {
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.3;
}

.course-module-percentage {
  color: var(--color-accent-cyan);
  font-size: 0.75rem;
  font-weight: 500;
}

.course-module-topics {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
  padding-left: 2.5rem;
}

/* ============================================
   MUESTRAS
   ============================================ */
.samples-grid {
  display: grid;
  gap: 2rem;
}

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

.sample-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: border-color 0.2s;
}

.sample-card:hover {
  border-color: var(--border-accent);
}

.sample-preview {
  aspect-ratio: 16/9;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sample-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.sample-preview-placeholder {
  text-align: center;
}

.sample-preview-icon {
  width: 5rem;
  height: 5rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-accent-cyan);
}

.sample-preview-text {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.sample-content {
  padding: 1.5rem;
}

.sample-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.sample-badge-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sample-badge-icon.video {
  background: rgba(248, 113, 113, 0.2);
  color: var(--color-accent-red);
}

.sample-badge-icon.pdf {
  background: rgba(34, 211, 238, 0.2);
  color: var(--color-accent-cyan);
}

.sample-badge-icon.questions {
  background: rgba(167, 139, 250, 0.2);
  color: var(--color-accent-purple);
}

.sample-badge-text {
  color: var(--color-accent-cyan);
  font-size: 0.875rem;
  font-weight: 500;
}

.sample-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.sample-description {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.sample-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent-cyan);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.sample-link:hover {
  color: #67e8f9;
}

/* ============================================
   BENEFICIOS
   ============================================ */
.benefits-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.benefit-card {
  display: flex;
  gap: 1.5rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.benefit-card:hover {
  border-color: var(--border-accent);
}

.benefit-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: box-shadow 0.2s;
}

.benefit-card:hover .benefit-icon {
  box-shadow: var(--shadow-cyan);
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.benefit-description {
  color: var(--color-text-secondary);
}

/* ============================================
   PRÓXIMAMENTE
   ============================================ */
.coming-soon-grid {
  display: grid;
  gap: 2rem;
  max-width: 56rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .coming-soon-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.coming-soon-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  overflow: hidden;
}

.coming-soon-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.5) 0%, transparent 100%);
  pointer-events: none;
}

.coming-soon-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: 9999px;
  padding: 0.25rem 0.75rem;
  z-index: 1;
}

.coming-soon-badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent-amber);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.coming-soon-badge-text {
  color: var(--color-accent-amber);
  font-size: 0.75rem;
  font-weight: 500;
}

.coming-soon-content {
  position: relative;
  z-index: 1;
}

.coming-soon-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}

.coming-soon-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.coming-soon-level {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.coming-soon-description {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

/* ============================================
   INSTRUCTOR
   ============================================ */
.instructor-card {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  max-width: 56rem;
  margin: 0 auto;
}

.instructor-grid {
  display: grid;
}

@media (min-width: 768px) {
  .instructor-grid {
    grid-template-columns: 2fr 3fr;
  }
}

.instructor-photo {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.instructor-photo-wrapper {
  position: relative;
}

.instructor-photo-frame {
  width: 12rem;
  height: 12rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: 0.25rem;
}

.instructor-photo-inner {
  width: 100%;
  height: 100%;
  background: var(--color-bg-secondary);
  border-radius: calc(var(--radius-2xl) - 0.25rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.instructor-photo-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-photo-placeholder {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.instructor-photo-decor-1,
.instructor-photo-decor-2 {
  position: absolute;
  border-radius: var(--radius-md);
}

.instructor-photo-decor-1 {
  top: -1rem;
  right: -1rem;
  width: 2rem;
  height: 2rem;
  background: rgba(34, 211, 238, 0.2);
}

.instructor-photo-decor-2 {
  bottom: -1rem;
  left: -1rem;
  width: 1.5rem;
  height: 1.5rem;
  background: rgba(59, 130, 246, 0.2);
}

/* Carousel */
.instructor-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 1rem;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1rem;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: white;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 2;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.carousel-btn-prev {
  left: 0.5rem;
}

.carousel-btn-next {
  right: 0.5rem;
}

.carousel-dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
  z-index: 2;
}

.carousel-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.carousel-dot.active {
  background: var(--color-accent);
}

.instructor-info {
  padding: 2rem;
}

@media (min-width: 1024px) {
  .instructor-info {
    padding: 2.5rem;
  }
}

.instructor-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.instructor-bio {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.instructor-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.instructor-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.instructor-bullet-icon {
  width: 1.25rem;
  height: 1.25rem;
  background: var(--gradient-primary);
  border-radius: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.instructor-bullet-icon svg {
  width: 0.75rem;
  height: 0.75rem;
}

.instructor-bullet-text {
  color: var(--color-text-secondary);
}

.instructor-social {
  display: flex;
  gap: 0.75rem;
}

.social-btn {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.social-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-accent-cyan);
}

.social-btn.youtube:hover {
  color: var(--color-accent-red);
}

/* ============================================
   REDES SOCIALES
   ============================================ */
.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 48rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .social-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.social-card {
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.2s;
}

.social-card:hover {
  border-color: var(--border-accent);
}

.social-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.social-card:hover .social-card-icon.linkedin {
  background: #0077b5;
  color: white;
}

.social-card:hover .social-card-icon.youtube {
  background: #ff0000;
  color: white;
}

.social-card:hover .social-card-icon.tiktok {
  background: #000000;
  color: white;
}

.social-card:hover .social-card-icon.twitter {
  background: #1a1a1a;
  color: white;
}

.social-card-name {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.social-card-description {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #020617;
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-brand {
  margin-bottom: 1rem;
}

.footer-description {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.footer-note {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-title {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--color-accent-cyan);
}

.footer-link.highlight {
  color: var(--color-accent-cyan);
  font-weight: 500;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   ICONOS SVG INLINE
   ============================================ */
.icon {
  width: 1.25rem;
  height: 1.25rem;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
}

.icon-lg {
  width: 1.5rem;
  height: 1.5rem;
}

.icon-xl {
  width: 2.5rem;
  height: 2.5rem;
}