/* Base Styles */
:root {
  --primary-color: #0070ba;
  --primary-dark: #005ea6;
  --primary-light: #e1f0fa;
  --secondary-color: #142c8e;
  --success-color: #26a65b;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --text-color: #2d3436;
  --text-muted: #636e72;
  --border-color: #dfe6e9;
  --bg-color: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --radius: 4px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--bg-color);
}

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

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

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

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

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn:focus,
.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

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

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

.btn-light:hover {
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}

.btn-link {
  font-weight: 400;
  color: var(--primary-color);
  background-color: transparent;
  border: none;
}

.btn-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  background-color: transparent;
  border-color: transparent;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

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

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -5px;
  margin-left: -5px;
}

.form-row > .form-group {
  flex: 0 0 50%;
  max-width: 50%;
  padding-right: 5px;
  padding-left: 5px;
}

label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--white);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  color: var(--text-color);
  background-color: var(--white);
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 112, 186, 0.25);
}

.input-with-icon {
  position: relative;
}

.input-with-icon i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.input-with-icon input {
  padding-left: 35px;
}

.form-check {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.form-check input {
  width: auto;
  margin-right: 0.5rem;
}

/* Navbar */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand h1 {
  color: var(--primary-color);
  margin: 0;
  font-size: 1.75rem;
}

.navbar-menu {
  display: none;
}

.navbar-nav {
  display: flex;
}

.nav-item {
  margin-left: 1.5rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
}

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

.navbar-auth {
  display: flex;
  align-items: center;
}

.navbar-auth .btn {
  margin-left: 1rem;
}

.navbar-toggle {
  display: block;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--text-color);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background-color: var(--white);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin-bottom: 2rem;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-image {
  width: 100%;
  max-width: 600px;
}

/* Features Section */
.features {
  padding: 4rem 0;
  background-color: var(--bg-color);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature-card {
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.feature-icon i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.feature-card h3 {
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
}

/* CTA Section */
.cta {
  padding: 4rem 0;
  background-color: var(--primary-color);
}

.cta-content {
  text-align: center;
  color: var(--white);
}

.cta-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
.footer {
  background-color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-column ul li {
  margin-bottom: 0.75rem;
}

.footer-column ul li a {
  color: var(--text-muted);
}

.footer-column ul li a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 450px;
  padding: 2rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  display: inline-block;
  margin-bottom: 1.5rem;
}

.auth-logo h1 {
  color: var(--primary-color);
  font-size: 1.75rem;
}

.auth-header h2 {
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-muted);
}

.auth-body {
  margin-bottom: 2rem;
}

.auth-footer {
  text-align: center;
  color: var(--text-muted);
}

.auth-footer a {
  font-weight: 500;
}

.password-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.forgot-password {
  font-size: 0.875rem;
}

.error-message {
  background-color: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: var(--danger-color);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  display: none;
}

.terms-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Media Queries */
@media (min-width: 768px) {
  .navbar-menu {
    display: block;
  }

  .navbar-toggle {
    display: none;
  }

  .hero .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hero-content {
    text-align: left;
    margin-right: 2rem;
    margin-bottom: 0;
  }

  .hero-buttons {
    flex-direction: row;
  }

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

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