/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #009999;
  --dark-color: #111111;
  --light-gray: #f7f7f7;
  --text-color: #333;
  --white: #ffffff;
  --shadow: rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--light-gray);
  background-image:
    linear-gradient(to bottom, rgba(0,153,153,0.05) 1px, transparent 1px),
    linear-gradient(to right, rgba(0,153,153,0.03) 1px, transparent 1px),
    radial-gradient(circle at 20% 80%, rgba(0,153,153,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,153,153,0.05) 0%, transparent 50%);
  background-size: 40px 40px, 40px 40px, 200px 200px, 150px 150px;
  background-attachment: fixed;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

p {
  margin-bottom: 1rem;
}

/* Buttons */
.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--dark-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow);
}

/* Sections */
.section {
  padding: 4rem 0;
  background: var(--white);
  margin: 2rem 0;
  box-shadow: 0 2px 10px var(--shadow);
}

.section-gray {
  background: var(--light-gray);
}

.section-dark {
  background: var(--dark-color);
  color: var(--white);
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px var(--shadow);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

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

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 2rem 0;
  }

  .container {
    width: 95%;
  }

  .btn-primary, .btn-secondary {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color);
}

.bg-primary {
  background: var(--primary-color);
}

.text-dark {
  color: var(--dark-color);
}

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

.shadow-custom {
  box-shadow: 0 4px 6px var(--shadow);
}

.rounded-custom {
  border-radius: 0.75rem;
}

/* Navbar Enhancements */
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: var(--primary-color);
  transition: all 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

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

.footer a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  height: 520px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  color: var(--white);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 153, 153, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}