:root {
  --primary: #008080;
  /* Teal */
  --primary-dark: #006666;
  --secondary: #2C3E50;
  /* Dark Blue/Grey */
  --accent: #E0F2F1;
  /* Light Teal */
  --text-main: #333333;
  --text-light: #666666;
  --bg-light: #F8FAFC;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --font-main: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

.section {
  padding: 4rem 0;
}

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

.grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Header */
header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

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

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }
}

/* Footer */
footer {
  background: var(--secondary);
  color: var(--white);
  padding: 3rem 0;
}

.footer-content {
  display: grid;
  gap: 2rem;
}

.footer-links a {
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--white) 100%);
  display: flex;
  align-items: center;
}

.hero-content {
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--secondary);
  font-weight: 800;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 2rem 1rem;
  }

  .hero-content {
    margin-bottom: 0;
  }

  .hero h1 {
    font-size: 3.5rem;
  }
}

/* Cards */
.card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

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

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

/* Contact Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}