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

:root {
  --primary-blue: #1f4e79;
  --secondary-blue: #2980b9;
  --light-blue: #3498db;
  --primary-green: #27ae60;
  --light-green: #2ecc71;
  --accent-green: #58d68d;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --text-dark: #2c3e50;
  --text-gray: #7f8c8d;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

/* Header Styles */
.header {
  background: linear-gradient(
    135deg,
    var(--primary-blue) 0%,
    var(--secondary-blue) 100%
  );
  color: white;
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    var(--primary-blue) 0%,
    var(--light-blue) 100%
  );
  color: white;
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::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 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="0,0 1000,0 1000,100 0,60"></polygon></svg>');
  background-size: cover;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(45deg, var(--primary-green), var(--light-green));
  color: white;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Services Section */
.services {
  padding: 80px 0;
  background: var(--light-gray);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-blue);
  font-weight: 700;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border-top: 4px solid var(--primary-green);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
  font-size: 3rem;
  color: var(--light-blue);
  margin-bottom: 1rem;
}

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

/* About Section */
.about {
  padding: 80px 0;
  background: white;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-blue);
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
}

.skills-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.skills-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-green);
  font-weight: 500;
}

.about-image {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--light-blue), var(--primary-green));
  border-radius: 20px;
  color: white;
}

.about-image i {
  font-size: 8rem;
  opacity: 0.8;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--light-gray) 0%, white 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  padding: 2rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--primary-blue);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--light-blue);
  width: 30px;
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary-blue);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid #e1e8ed;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--light-blue);
}

.submit-btn {
  background: linear-gradient(45deg, var(--primary-green), var(--light-green));
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

/* Footer */
.footer {
  background: var(--primary-blue);
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

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

  .skills-list {
    grid-template-columns: 1fr;
  }

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

/* Success Message */
.success-message {
  background: var(--light-green);
  color: white;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: none;
}

/* Loading Animation */
.loading {
  display: none;
  text-align: center;
  margin: 1rem 0;
}

.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--primary-green);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}