/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #5b8a9f;
  --color-primary-dark: #4a7080;
  --color-secondary: #8ba89d;
  --color-accent: #d4a574;
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #5a6c7d;
  --color-border: #e5e7eb;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header and Navigation */
.header {
  background-color: var(--color-surface);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  padding: var(--spacing-md) 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: rgba(91, 138, 159, 0.1);
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(91, 138, 159, 0.05) 0%, rgba(139, 168, 157, 0.05) 100%);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-shadow);
}

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

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

/* Sections */
.features,
.content-section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px var(--color-shadow);
}

.card-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.card-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

/* Highlight Section */
.highlight {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-surface);
}

.highlight .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.highlight-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.highlight-text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
}

.highlight-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Page Header */
.page-header {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(91, 138, 159, 0.05) 0%, rgba(139, 168, 157, 0.05) 100%);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* Tips List */
.tips-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.tip-card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: relative;
  padding-left: calc(var(--spacing-lg) + 60px);
}

.tip-number {
  position: absolute;
  left: var(--spacing-lg);
  top: var(--spacing-lg);
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.tip-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.tip-text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.tip-list {
  list-style: none;
  padding-left: 0;
}

.tip-list li {
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  position: relative;
  color: var(--color-text-light);
}

.tip-list li::before {
  content: "•";
  color: var(--color-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Info Box */
.info-box {
  background-color: rgba(91, 138, 159, 0.1);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  border-radius: var(--border-radius);
}

.info-box p {
  margin: 0;
  color: var(--color-text);
}

/* CTA Box */
.cta-box {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  text-align: center;
}

.cta-box h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.cta-box p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.contact-info h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.contact-item p {
  color: var(--color-text-light);
}

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

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

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.contact-form-wrapper h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
}

/* Legal Content */
.legal-content {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  max-width: 900px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

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

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

/* Footer */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
}

.footer-heading {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .highlight .container {
    grid-template-columns: 1fr;
  }

  .highlight-image {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .tip-card {
    padding-left: var(--spacing-lg);
    padding-top: calc(var(--spacing-lg) + 60px);
  }

  .tip-number {
    left: 50%;
    transform: translateX(-50%);
    top: var(--spacing-lg);
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}