/* Base Styles */
:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
  --text-color: #333;
  --light-gray: #f5f5f5;
  --medium-gray: #ddd;
  --dark-gray: #555;
  --white: #fff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --border-radius: 4px;
  --box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
  padding-top: 60px; /* Space for navbar */
}

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
}

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

/* Navigation */
.navbar {
  background-color: var(--secondary-color);
  color: var(--white);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: var(--box-shadow);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--white);
}

.navbar-nav {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 20px;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
}

.nav-link:hover {
  text-decoration: underline;
}

/* Buttons */
.button {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s;
}

.button:hover {
  background-color: #2980b9;
  text-decoration: none;
}

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

.button.secondary {
  background-color: var(--secondary-color);
}

.button.small {
  padding: 5px 10px;
  font-size: 0.9rem;
}

/* Flash Messages */
.flash-messages {
  margin-bottom: 20px;
}

.flash-message {
  padding: 10px 15px;
  margin-bottom: 10px;
  border-radius: var(--border-radius);
}

.flash-notice {
  background-color: #d4edda;
  color: #155724;
}

.flash-alert {
  background-color: #f8d7da;
  color: #721c24;
}

/* Homepage Styles */
.homepage {
  margin: -20px -20px 40px -20px; /* Negative margin to make hero full-width */
}

.homepage .hero {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 80px 20px;
  text-align: center;
}

.homepage .hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.homepage .tagline {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.homepage .cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.features {
  padding: 60px 0;
  background-color: var(--light-gray);
  text-align: center;
  margin: 0 -20px 40px -20px; /* Negative margin to make section full-width */
}

.features h2 {
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.feature-card {
  background-color: var(--white);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.recent-projects {
  padding: 40px 0;
}

.recent-projects h2 {
  margin-bottom: 30px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.project-card {
  background-color: var(--white);
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--box-shadow);
}

.project-details {
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.view-all {
  text-align: center;
  margin-top: 20px;
}

/* Projects List Page */
.projects-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.projects-list li {
  background-color: var(--white);
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--box-shadow);
}

.projects-list h2 {
  margin-top: 0;
}

/* Common Page Elements */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--medium-gray);
}

.page-header h1 {
  margin-bottom: 0;
}

.action-buttons {
  display: flex;
  gap: 10px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
  margin: 30px 0;
}

/* Project Detail Page */
.project-detail {
  background-color: var(--white);
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
  margin-bottom: 30px;
}

.project-meta {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--medium-gray);
}

.project-description h2 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

/* Forms */
form {
  max-width: 600px;
  margin: 0 auto;
}

.field {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: 1rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .homepage .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .homepage .tagline {
    font-size: 1.2rem;
  }
}