/* =================================================================
   INDEX PAGE STYLES - VELTECHLAB
   ================================================================= */

/* =================================================================
   HERO SECTION
   ================================================================= */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e40af 100%);
  padding-top: 70px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
  filter: brightness(0.7) contrast(1.2);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(15, 23, 42, 0.8) 0%, 
    rgba(30, 41, 59, 0.7) 50%, 
    rgba(59, 130, 246, 0.3) 100%);
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="particles" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="18" cy="8" r="0.3" fill="rgba(59,130,246,0.2)"/><circle cx="8" cy="18" r="0.4" fill="rgba(139,92,246,0.15)"/></pattern></defs><rect width="100" height="100" fill="url(%23particles)"/></svg>');
  animation: floatParticles 20s linear infinite;
}

@keyframes floatParticles {
  0% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-10px) translateX(5px); }
  50% { transform: translateY(-5px) translateX(-3px); }
  75% { transform: translateY(-15px) translateX(2px); }
  100% { transform: translateY(0) translateX(0); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .hero-container {
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    padding: 0 2rem;
  }
}

.hero-text {
  text-align: center;
  color: white;
}

@media (min-width: 1024px) {
  .hero-text {
    text-align: left;
  }
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 0.5s forwards;
}

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

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.title-line {
  display: block;
  background: linear-gradient(135deg, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title-line:last-child {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 0.7s forwards;
}

@media (min-width: 640px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 0.9s forwards;
}

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

@media (min-width: 1024px) {
  .hero-buttons {
    justify-content: flex-start;
  }
}

.hero-buttons .btn {
  min-width: 200px;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0.75rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-buttons .btn-primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  border: none;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
}

.hero-buttons .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

.hero-buttons .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.hero-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 1.1s forwards;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  color: white;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.hero-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 32px 64px -12px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
}

.hero-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.hero-card p {
  color: #cbd5e1;
  line-height: 1.6;
  margin: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease-out 2s forwards;
}

.hero-scroll-indicator:hover {
  color: white;
  transform: translateX(-50%) translateY(-5px);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
  40% { transform: rotate(45deg) translateY(-10px); }
  60% { transform: rotate(45deg) translateY(-5px); }
}

/* =================================================================
   SERVICES SECTION
   ================================================================= */

.services-section {
  padding: 6rem 0;
  background: #f8fafc;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1a202c;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

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

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

.service-card {
  background: white;
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.card-header {
  margin-bottom: 1.5rem;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 2rem;
  color: white;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.3);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1a202c;
  margin: 0;
}

.service-card p {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-link {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.service-link:hover {
  color: #2563eb;
  gap: 0.75rem;
}

.service-link i {
  transition: transform 0.3s ease;
}

.service-link:hover i {
  transform: translateX(3px);
}

.section-cta {
  text-align: center;
  margin-top: 4rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out 1s forwards;
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 0.75rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =================================================================
   ANIMATIONS
   ================================================================= */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* =================================================================
   RESPONSIVE DESIGN
   ================================================================= */

@media (max-width: 640px) {
  .hero-section {
    padding-top: 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons .btn {
    min-width: 100%;
  }
  
  .services-section {
    padding: 4rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .service-card {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-container {
    padding: 0 0.75rem;
  }
  
  .services-grid {
    padding: 0 0.75rem;
  }
  
  .hero-card {
    padding: 1.5rem;
  }
  
  .card-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* =================================================================
   ACCESSIBILITY
   ================================================================= */

@media (prefers-reduced-motion: reduce) {
  .hero-title,
  .hero-subtitle,
  .hero-buttons,
  .hero-visual,
  .hero-scroll-indicator,
  .section-header,
  .service-card,
  .section-cta {
    animation: none;
    opacity: 1;
    transform: none;
  }
  
  .scroll-arrow {
    animation: none;
  }
  
  .service-card:hover {
    transform: none;
  }
  
  .hero-buttons .btn:hover {
    transform: none;
  }
}

/* =================================================================
   HIGH CONTRAST MODE
   ================================================================= */

@media (prefers-contrast: high) {
  .hero-section {
    background: #000;
  }
  
  .hero-card {
    border: 2px solid #fff;
  }
  
  .service-card {
    border: 2px solid #000;
  }
}