/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.1);
}

.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== SECTION TAGS ===== */
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  background: rgba(0, 212, 255, 0.03);
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin: 0 auto;
}

.left-align .section-divider { margin: 0; }

/* ===== SERVICE CARDS ===== */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: block;
  color: inherit;
}

.service-card:hover { text-decoration: none; }

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-1);
  transition: var(--transition);
}

.service-card:hover .service-card-link {
  gap: 12px;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.service-card:hover::after { transform: scaleX(1); }

.service-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 212, 255, 0.1);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 1.3rem;
  color: var(--accent-1);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent-gradient);
  color: white;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== MODULE CARDS ===== */
.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
}

.module-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 212, 255, 0.1);
}

.module-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
  transition: var(--transition);
}

.module-card:hover .module-number {
  color: rgba(0, 212, 255, 0.05);
}

.module-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: var(--accent-1);
  transition: var(--transition);
}

.module-card:hover .module-icon {
  transform: scale(1.1);
  color: var(--accent-3);
}

.module-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.module-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.module-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-topics span {
  padding: 4px 12px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--accent-1);
  font-weight: 500;
}

/* ===== PROJECT CARDS ===== */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 212, 255, 0.1);
}

.project-banner {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover .project-banner img {
  transform: scale(1.08);
}

.project-banner .project-icon {
  position: absolute;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
  transition: var(--transition);
}

.project-card:hover .project-icon {
  transform: scale(1.15);
}

.project-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

.project-body {
  padding: 28px;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.project-body p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric {
  text-align: center;
  padding: 12px 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-1);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
  display: block;
}

/* ===== CERTIFICATION CARDS ===== */
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}

.cert-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.1);
}

.cert-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-3);
  font-size: 1.3rem;
}

.cert-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.cert-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-1);
}

/* ===== SKILL CARDS ===== */
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.skill-card:hover::before { transform: scaleX(1); }

.skill-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 212, 255, 0.1);
}

.skill-card .skill-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.skill-card .skill-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonials-slider {
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-align: center;
}

.testimonial-stars {
  color: var(--accent-3);
  margin-bottom: 20px;
  font-size: 1rem;
}

.testimonial-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(0, 212, 255, 0.1);
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
}

.testimonial-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-btn:hover {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.testimonial-dots {
  display: flex;
  gap: 8px;
}

.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.testimonial-dot.active {
  background: var(--accent-1);
  width: 24px;
  border-radius: 4px;
}

/* ===== FORMS ===== */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  background: rgba(0, 212, 255, 0.03);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.05);
}

.form-group label {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition);
  padding: 0 4px;
  background: transparent;
}

.form-group textarea ~ label {
  top: 18px;
  transform: none;
}

.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -10px;
  left: 12px;
  font-size: 0.7rem;
  color: var(--accent-1);
  background: var(--bg-primary);
  padding: 0 6px;
}

/* ===== ABOUT FEATURES ===== */
.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 30px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.about-feature:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.15);
}

.about-feature i {
  color: var(--accent-1);
  font-size: 1rem;
}

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

/* ===== STATS ===== */
.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.stat-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 255, 0.15);
  transform: translateY(-2px);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  display: block;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.whatsapp-float .whatsapp-tooltip {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  white-space: nowrap;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.whatsapp-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  border: none;
  color: white;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: var(--transition);
  position: relative;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 35px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn .whatsapp-ring {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.3);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ===== GALLERY / SLIDER ===== */
.gallery-slider {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.gallery-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-slide {
  min-width: 100%;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-slide .slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
}

.gallery-slide .slide-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.gallery-slide .slide-overlay p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.gallery-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 2;
  pointer-events: none;
}

.gallery-controls button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  pointer-events: auto;
}

.gallery-controls button:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  transform: scale(1.1);
}

.gallery-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.gallery-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.gallery-dot.active {
  background: var(--accent-1);
  width: 28px;
  border-radius: 5px;
}

/* ===== ABOUT IMAGE WITH OVERLAY ===== */
.about-image {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, transparent 50%, rgba(0, 212, 255, 0.1) 100%);
  pointer-events: none;
}

.about-exp-badge {
  position: absolute;
  bottom: -20px;
  right: -10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  z-index: 2;
}

.about-exp-badge .exp-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-exp-badge .exp-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== SERVICE IMAGE BANNERS ===== */
.service-img-banner {
  height: 140px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin: -36px -28px 20px -28px;
  overflow: hidden;
}

.service-img-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.service-card:hover .service-img-banner img {
  transform: scale(1.1);
}

/* ===== SECTION CTA ===== */
.section-cta {
  text-align: center;
  margin-top: 60px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.section-cta p {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-family: var(--font-display);
}

@media (max-width: 480px) {
  .btn { justify-content: center; }
  .whatsapp-float { bottom: 16px; right: 16px; }
  .whatsapp-btn { width: 48px; height: 48px; font-size: 1.3rem; }
  .about-exp-badge { right: 0; }
}