/* Design tokens & base styles — Tisha Travel and Tours */

:root {
  --color-primary: #1a5f7a;
  --color-primary-dark: #134559;
  --color-accent: #e8913a;
  --color-accent-hover: #d47d28;
  --color-text: #1a1a1a;
  --color-text-muted: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f8fa;
  --color-border: #dde4e8;
  --color-error: #c0392b;
  --color-success: #27ae60;

  --font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height-base: 1.6;
  --line-height-tight: 1.25;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  --max-width: 1200px;
  --header-height: 64px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 20px rgba(26, 95, 122, 0.12);
  --transition: 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  z-index: 10000;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-md);
}

h1, h2, h3, h4 {
  line-height: var(--line-height-tight);
  color: var(--color-primary-dark);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

p { margin: 0 0 var(--space-md); }

ul { margin: 0; padding-left: 1.25rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}

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

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

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

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

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

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--font-size-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.2);
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.alert {
  padding: var(--space-md);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
}

.alert--success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert--error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.image-placeholder {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-md);
}