/* Base Styles */
:root {
  --primary-color: #2563eb;
  --secondary-color: #0f172a;
  --accent-color: #4f46e5;
  --light-color: #f8fafc;
  --dark-color: #0f172a;
  --gray-color: #64748b;
  --border-color: #e2e8f0;
  --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--light-color);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.section-header.light h2 {
  color: var(--light-color);
}

.underline {
  height: 4px;
  width: 50px;
  background: var(--primary-color);
  margin: 0 auto;
}

.bg-light {
  background-color: #f1f5f9;
}

.bg-dark {
  background-color: var(--secondary-color);
  color: var(--light-color);
}

.btn-primary {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 12px 30px;
  border-radius: 30px;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: var(--box-shadow);
}

/* Header Styles */
header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--secondary-color);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--secondary-color);
  font-weight: 500;
  transition: var(--transition);
}

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

.mobile-menu {
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1551434678-e076c223a692?ixlib=rb-1.2.1&auto=format&fit=crop&w=1050&q=80') no-repeat center center/cover;
  color: var(--light-color);
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding-top: 70px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
}

.about-image {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
}

/* Expertise Section */
.expertise-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.expertise-list {
  margin-top: 20px;
}

.expertise-list li {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.expertise-list i {
  color: var(--primary-color);
  margin-right: 10px;
}

.achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.achievement {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  text-align: center;
}

.achievement-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.achievement-text {
  font-size: 0.9rem;
  color: var(--gray-color);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 15px;
  background: rgba(255, 255, 255, 0.1);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.contact-text h3 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 20px;
}

input,
textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--light-color);
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
footer {
  background-color: #0a0f1a;
  color: var(--light-color);
  padding: 50px 0 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.footer-logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.social-icons {
  display: flex;
  gap: 20px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .section-padding {
    padding: 70px 0;
  }

  .hero {
    height: auto;
    min-height: 100vh;
    padding: 100px 0;
  }

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

  .section-header h2 {
    font-size: 2rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
  }
}

@media screen and (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }
}