:root {
  --primary: #00d4ff;
  --primary-dark: #00a8cc;
  --secondary: #ff6b35;
  --dark: #1a1a2e;
  --dark-light: #16213e;
  --gray: #8892b0;
  --light: #f8f9fa;
  --white: #ffffff;
  --gradient: linear-gradient(120deg, #00d4ff 0%, #0099ff 100%);
}

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

body {
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--light);
  overflow-x: hidden;
  background: var(--dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  z-index: 1000;
  padding: 1.2rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -1px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--light);
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

.nav-menu a:hover {
  color: var(--primary);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  transition: 0.3s;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  color: var(--light);
  z-index: 2;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero-title::first-line {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  color: var(--gray);
  max-width: 500px;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  background: var(--primary-dark);
}

.hero-visual {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  animation: float 6s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

.card-1 {
  width: 250px;
  height: 300px;
  top: 0;
  left: 50px;
}

.card-2 {
  width: 200px;
  height: 250px;
  top: 100px;
  right: 50px;
  animation-delay: 2s;
}

.card-3 {
  width: 180px;
  height: 200px;
  bottom: 50px;
  left: 100px;
  animation-delay: 4s;
}

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

section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  color: var(--white);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.section-header p {
  color: var(--gray);
  font-size: 1.1rem;
}

.about {
  background: var(--dark-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.about-content p {
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(0, 212, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  color: var(--gray);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.skill {
  margin-bottom: 1.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--light);
}

.skill-bar {
  height: 8px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--primary);
  border-radius: 10px;
  transition: width 1s ease;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.services {
  background: var(--dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--dark-light);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all 0.3s;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.service-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--white);
}

.service-card p {
  color: var(--gray);
  line-height: 1.7;
}

.portfolio {
  background: var(--dark-light);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.portfolio-item {
  background: var(--dark);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all 0.3s;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.portfolio-image {
  height: 250px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(255, 107, 53, 0.2) 100%);
  position: relative;
}

.portfolio-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0, 212, 255, 0.03) 10px,
    rgba(0, 212, 255, 0.03) 20px
  );
}

.portfolio-info {
  padding: 2rem;
}

.portfolio-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.portfolio-info p {
  color: var(--gray);
}

.contact {
  background: var(--dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
  color: var(--white);
}

.contact-item p, .contact-item a {
  color: var(--gray);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--primary);
}

.contact-form {
  background: var(--dark-light);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
  background: rgba(0, 212, 255, 0.05);
  color: var(--light);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

.footer {
  background: var(--dark-light);
  color: var(--light);
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3, .footer-col h4 {
  margin-bottom: 1.5rem;
  color: var(--white);
}

.footer-col p {
  color: var(--gray);
  line-height: 1.8;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul li a {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-col ul li i {
  color: var(--primary);
  margin-right: 0.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s;
}

.social-links a:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 212, 255, 0.1);
  color: var(--gray);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--dark-light);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

@media (max-width: 1024px) and (min-width: 769px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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