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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #ffffff;
}

html {
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #2563EB;
  text-decoration: none;
  background: linear-gradient(135deg, #2563EB, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 35px;
  align-items: center;
}

.nav-menu a {
  color: #475569;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a:hover {
  color: #2563EB;
}

.nav-menu a:not(.nav-btn)::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #2563EB, #3b82f6);
  transition: width 0.3s ease;
}

.nav-menu a:not(.nav-btn):hover::after {
  width: 100%;
}

.nav-btn {
  padding: 10px 25px !important;
  background: linear-gradient(135deg, #2563EB, #3b82f6);
  color: white !important;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: #2563EB;
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hero Section */
#hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.88) 50%, rgba(51, 65, 85, 0.85) 100%),
    url('../images/photo-1521737711867-e3b97375f902.jpeg') center/cover;
  background-blend-mode: normal;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%232563EB" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,197.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
  opacity: 1;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-overlay {
  width: 100%;
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 25px;
  letter-spacing: 1px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero-text {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 400;
  margin-bottom: 35px;
  line-height: 1.8;
  opacity: 0.95;
}

.hero-btn {
  display: inline-block;
  padding: 16px 45px;
  background-color: white;
  color: #2563EB;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  background-color: #f8fafc;
}

/* Stats Section */
#stats {
  padding: 60px 0;
  background: linear-gradient(135deg, #1e40af 0%, #2563EB 50%, #3b82f6 100%);
  position: relative;
  overflow: hidden;
}

#stats::before {
  content: '';
  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 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,122.7C96,149,192,203,288,202.7C384,203,480,149,576,128C672,107,768,117,864,138.7C960,160,1056,192,1152,186.7C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat center;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 10px;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
}

/* About Section */
#about {
  padding: 100px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  position: relative;
}

#about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

#about h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1e293b;
  margin-bottom: 40px;
  text-align: center;
  font-weight: 700;
  position: relative;
}

#about h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  border-radius: 2px;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 30px 40px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

.about-content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.9;
  margin-bottom: 20px;
  color: #475569;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* Clients Section */
#clients {
  padding: 80px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  position: relative;
}

#clients::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

#clients h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1e293b;
  margin-bottom: 15px;
  text-align: center;
  font-weight: 700;
  position: relative;
}

#clients h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  border-radius: 2px;
}

.clients-subtitle {
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #64748b;
  margin-bottom: 60px;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
  min-height: 120px;
}

.client-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
  border-color: #2563EB;
}

.client-logo img {
  max-width: 100%;
  max-height: 60px;
  width: auto;
  height: auto;
}

/* Advantages Section */
#advantages {
  padding: 100px 0;
  background: url('../images/photo-1454165804606-c3d57bc86b40.jpeg') center/cover,
              linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(59, 130, 246, 0.95));
  background-blend-mode: overlay;
  position: relative;
}

#advantages::before {
  content: '';
  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 1440 320"><path fill="%23ffffff" fill-opacity="0.03" d="M0,160L48,144C96,128,192,96,288,90.7C384,85,480,107,576,128C672,149,768,171,864,165.3C960,160,1056,128,1152,117.3C1248,107,1344,117,1392,122.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat center;
  pointer-events: none;
}

#advantages h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: white;
  margin-bottom: 60px;
  text-align: center;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

#advantages h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: white;
  border-radius: 2px;
  opacity: 0.8;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  position: relative;
  z-index: 1;
}

.advantage-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  background: white;
}

.advantage-icon {
  color: #2563EB;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.advantage-card h3 {
  font-size: clamp(1.2rem, 2.3vw, 1.4rem);
  color: #1e293b;
  margin-bottom: 15px;
  font-weight: 600;
}

.advantage-card p {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: #64748b;
  line-height: 1.7;
}

/* Services Section */
#services {
  padding: 100px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  position: relative;
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

#services h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1e293b;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
  position: relative;
}

#services h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  border-radius: 2px;
}

.services-description {
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #64748b;
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background: white;
  padding: 50px 30px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 50px rgba(37, 99, 235, 0.2);
  border-color: #2563EB;
}

.service-icon {
  color: #2563EB;
  margin-bottom: 25px;
  display: flex;
  justify-content: center;
}

.service-card h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.6rem);
  color: #1e293b;
  margin-bottom: 15px;
  font-weight: 600;
}

.service-card p {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: #64748b;
  line-height: 1.7;
}

/* Approach Section */
#approach {
  padding: 100px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

#approach h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1e293b;
  margin-bottom: 60px;
  text-align: center;
  font-weight: 700;
  position: relative;
}

#approach h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  border-radius: 2px;
}

.approach-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.approach-item {
  background: white;
  padding: 35px;
  border-radius: 20px;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.approach-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.approach-item:hover::before {
  transform: scaleX(1);
}

.approach-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
  border-color: #2563EB;
}

.approach-number {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, #2563EB, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
}

.approach-text h3 {
  font-size: clamp(1.2rem, 2.3vw, 1.5rem);
  color: #1e293b;
  margin-bottom: 12px;
  font-weight: 600;
}

.approach-text p {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: #64748b;
  line-height: 1.7;
}

/* Pricing Section */
#pricing {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
  position: relative;
}

#pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
}

#pricing h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1e293b;
  margin-bottom: 60px;
  text-align: center;
  font-weight: 700;
  position: relative;
}

#pricing h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2563EB, #3b82f6);
  border-radius: 2px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(135deg, transparent, rgba(37, 99, 235, 0.03), transparent);
  transform: rotate(45deg);
  transition: all 0.5s ease;
}

.pricing-card:hover::before {
  left: 100%;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.2);
  border-color: #2563EB;
}

.pricing-icon {
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  color: #2563EB;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pricing-card h3 {
  font-size: clamp(1.2rem, 2.3vw, 1.5rem);
  color: #1e293b;
  margin-bottom: 15px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.pricing-card p {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  color: #64748b;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Contacts Section */
#contacts {
  padding: 100px 0;
  background: linear-gradient(135deg, #2563EB, #3b82f6);
  color: white;
}

#contacts h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: white;
  margin-bottom: 40px;
  text-align: center;
  font-weight: 700;
}

.contacts-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contacts-text {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.15);
  padding: 20px 35px;
  border-radius: 50px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-3px);
}

.contact-item svg {
  flex-shrink: 0;
}

.contact-item a {
  color: white;
  text-decoration: none;
  font-size: clamp(1rem, 2vw, 1.1rem);
  font-weight: 500;
}

/* Footer */
footer {
  background-color: #1e293b;
  color: white;
  text-align: center;
  padding: 30px 0;
}

footer p {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  color: #94a3b8;
}

/* Responsive adjustments */
@media (max-width: 968px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  #hero {
    min-height: 60vh;
    margin-top: 70px;
  }

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

  #about,
  #services,
  #contacts,
  #stats,
  #clients,
  #advantages,
  #approach,
  #pricing {
    padding: 60px 0;
  }

  .approach-content {
    grid-template-columns: 1fr;
  }

  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .about-content {
    padding: 25px 20px;
  }

  .nav-content {
    padding: 15px 0;
  }
}