.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(49,115,129,0.85) 0%, rgba(49,115,129,0.6) 50%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
  color: white;
  padding: 40px 0;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  color: white;
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-buttons .btn-primary {
  background: white;
  color: var(--primary);
}

.hero-buttons .btn-primary:hover {
  background: var(--accent-light);
  color: var(--text);
}

.hero-buttons .btn-secondary {
  border-color: white;
  color: white;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.hero-buttons .btn-secondary:hover {
  background: rgba(255,255,255,0.3);
}

.portfolio {
  background: var(--bg-alt);
}

.portfolio-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.portfolio-filter {
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  transition: all 0.2s;
}

.portfolio-filter.active,
.portfolio-filter:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.4s;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: white;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
  opacity: 1;
}

.portfolio-overlay h4 {
  color: white;
  margin-bottom: 4px;
}

.portfolio-overlay p {
  font-size: 0.85rem;
  opacity: 0.8;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-content h2 {
  margin-bottom: 20px;
  color: var(--primary);
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
}

.about-feature svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.about-feature span {
  font-size: 0.9rem;
  font-weight: 500;
}

.courses {
  background: var(--bg-alt);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.course-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.course-header {
  padding: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.course-header h3 {
  color: white;
  margin-bottom: 8px;
}

.course-header p {
  opacity: 0.85;
  font-size: 0.9rem;
}

.course-body {
  padding: 24px;
}

.course-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.course-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.course-modules {
  margin-bottom: 20px;
}

.course-modules h4 {
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.course-modules ul li {
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.course-modules ul li:last-child {
  border-bottom: none;
}

.course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h3 {
  margin-bottom: 20px;
  color: var(--primary);
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.contact-details h4 {
  font-family: var(--font-main);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-details p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-details a {
  color: var(--primary);
  font-weight: 500;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  margin-bottom: 24px;
  color: var(--primary);
}

.map-container {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.map-container iframe {
  width: 100%;
  height: 200px;
  border: 0;
}

/* Lightbox */
.lightbox-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.92); z-index: 3000;
  display: none; align-items: center; justify-content: center; cursor: zoom-out;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img {
  max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5); object-fit: contain;
}
.lightbox-caption {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,0.7); color: white; padding: 8px 20px; border-radius: 100px;
  font-size: 0.85rem; text-align: center; max-width: 80vw; white-space: nowrap;
}
.lightbox-close {
  position: absolute; top: 20px; right: 24px; width: 40px; height: 40px;
  background: rgba(255,255,255,0.15); border-radius: 50%; border: none; color: white;
  font-size: 1.4rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px;
  background: rgba(255,255,255,0.15); border-radius: 50%; border: none; color: white;
  font-size: 1.2rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.3); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

/* Portfolio items clickable */
.portfolio-item img { cursor: zoom-in; transition: transform 0.3s; }
.portfolio-item img:hover { transform: scale(1.02); }

/* Carousel Testimonios */
.carousel-container { position: relative; overflow: hidden; padding: 0 0 40px; }
.carousel-track { display: flex; transition: transform 0.5s ease; }
.carousel-track .testimonial-card { min-width: 100%; box-sizing: border-box; padding: 0 12px; }
@media (min-width: 640px) { .carousel-track .testimonial-card { min-width: 50%; } }
@media (min-width: 960px) { .carousel-track .testimonial-card { min-width: 33.333%; } }
.carousel-nav {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; align-items: center;
}
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--border);
  border: none; cursor: pointer; transition: background 0.3s;
}
.carousel-dot.active { background: var(--primary); width: 28px; border-radius: 5px; }
.carousel-btn {
  width: 32px; height: 32px; border-radius: 50%; background: var(--surface);
  border: 2px solid var(--border); cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all 0.2s; color: var(--text);
}
.carousel-btn:hover { border-color: var(--primary); color: var(--primary); }

/* Calendar box */
.calendar-box {
  background: var(--bg-alt); border-radius: var(--radius-sm); padding: 14px;
  margin-top: 14px; border-left: 3px solid var(--primary);
}
.calendar-box h4 { margin: 0 0 8px; font-size: 0.85rem; color: var(--primary); }
.calendar-box ul { list-style: none; padding: 0; margin: 0; }
.calendar-box li {
  padding: 6px 0; font-size: 0.82rem; border-bottom: 1px solid var(--border-light);
}
.calendar-box li:last-child { border-bottom: none; }

/* Share buttons */
.share-buttons { display: flex; gap: 6px; margin-top: 10px; }
.share-btn {
  width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: white; transition: transform 0.2s, opacity 0.2s;
}
.share-btn:hover { transform: scale(1.15); opacity: 0.9; }
.share-whatsapp { background: #25d366; }
.share-facebook { background: #1877f2; }
.share-twitter { background: #000; }

/* Social icons - Contact section */
.contact-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.contact-social a {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: transform 0.2s, box-shadow 0.2s;
}
.contact-social a:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.contact-social .social-instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.contact-social .social-facebook { background: #1877f2; }
.contact-social .social-tiktok { background: #000; }