*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-primary: #1a365d;
  --color-secondary: #2c5282;
  --color-accent: #3182ce;
  --color-text: #1a202c;
  --color-text-light: #4a5568;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-border: #e2e8f0;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a:hover {
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background-color: var(--color-primary);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.9;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav a {
  color: #fff;
  font-weight: 500;
  padding: 0.5rem 0;
}

nav a:hover {
  text-decoration: none;
  opacity: 0.85;
}

nav a:focus {
  outline-color: #fff;
}

main {
  min-height: 60vh;
}

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0 0 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin: 0 auto;
  max-width: 600px;
  opacity: 0.95;
}

.section {
  padding: 4rem 0;
}

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

.section h2 {
  font-size: 2rem;
  margin: 0 0 1.5rem;
  color: var(--color-primary);
}

.section p {
  margin: 0 0 1rem;
  color: var(--color-text-light);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card h3 {
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  color: var(--color-text-light);
}

.image-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.image-section img {
  border-radius: 8px;
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.image-section-content h2 {
  font-size: 1.75rem;
  margin: 0 0 1rem;
  color: var(--color-primary);
}

.image-section-content p {
  margin: 0 0 1rem;
  color: var(--color-text-light);
}

footer {
  background-color: var(--color-primary);
  color: #fff;
  padding: 2rem 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: #fff;
  opacity: 0.9;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-links a:focus {
  outline-color: #fff;
}

.copyright {
  opacity: 0.8;
  font-size: 0.875rem;
}

.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.25rem;
  margin: 0;
}

form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color 0.2s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
}

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

button[type="submit"] {
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button[type="submit"]:hover {
  background-color: var(--color-secondary);
}

button[type="submit"]:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.contact-info {
  margin-top: 2rem;
}

.contact-info h3 {
  font-size: 1.25rem;
  margin: 0 0 1rem;
  color: var(--color-primary);
}

.contact-info p {
  margin: 0 0 0.5rem;
  color: var(--color-text-light);
}

.legal-content {
  max-width: 800px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--color-primary);
}

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

.legal-content p,
.legal-content ul {
  margin: 0 0 1rem;
  color: var(--color-text-light);
}

.legal-content ul {
  padding-left: 1.5rem;
}

.notice {
  background-color: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: #92400e;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .page-header h1 {
    font-size: 1.875rem;
  }
}

@media (max-width: 480px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    gap: 1rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .section h2 {
    font-size: 1.5rem;
  }
}