:root {
  --color-primary: #2a7475;
  --color-secondary: #811b01;
  --color-text: #232323;
  --color-bg: #ffffff;
  --color-light: #f5f7f9;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1rem 0;
}

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

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

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.main-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

main {
  min-height: 60vh;
  padding: 2rem 0;
}

.page-header,
.tour-header {
  margin-bottom: 2rem;
}

h1 {
  color: var(--color-primary);
  line-height: 1.2;
}

.lead {
  font-size: 1.15rem;
  color: #555;
}

.content img {
  max-width: 100%;
  height: auto;
}

.tour-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.button {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  text-decoration: none;
  font-weight: 600;
}

.site-footer {
  background: var(--color-light);
  padding: 1.5rem 0;
  margin-top: 2rem;
}

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

.footer-inner a {
  color: var(--color-primary);
  text-decoration: none;
  margin-left: 1rem;
}

@media (max-width: 768px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .main-nav ul {
    justify-content: center;
  }
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-form {
  background: var(--color-light);
  padding: 1.5rem;
  border-radius: 0.5rem;
}

.contact-form h2 {
  margin-top: 0;
  color: var(--color-primary);
}

.form-note {
  font-size: 0.9rem;
  color: #666;
}

.contact-form label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
}

.contact-form label.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 400;
  font-size: 0.95rem;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form input[type="number"],
.contact-form input[type="date"],
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 0.25rem;
  font: inherit;
}

.contact-form input[type="checkbox"] {
  margin-top: 0.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.25rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: #1f5859;
}

.form-message {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 0.25rem;
}

.form-message.success {
  background: #e6f4ea;
  color: #1e7e34;
}

.form-message.error {
  background: #fbeaea;
  color: #b71c1c;
}