/* CASA - Main Stylesheet
   Modern, Premium Design System
*/

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables - Design Tokens */
:root {
  /* Colors */
  --primary-blue: #006CE4;
  /* Booking.com style blue */
  --primary-dark: #003580;
  --primary-light: #E7F1FF;
  --secondary: #FFB700;
  /* Accent yellow */

  --text-dark: #1A1A1A;
  --text-medium: #474747;
  --text-light: #6B6B6B;
  --text-white: #FFFFFF;

  --background: #F2F6FA;
  /* Light blue-ish gray */
  --background-light: #FFFFFF;

  --border: #E7E7E7;
  --border-light: #F0F0F0;

  --success: #008009;
  --warning: #F59E0B;
  --error: #D93025;

  --overlay: rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows - Softer & Premium */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-main);
  transition: var(--transition-normal);
}

input,
textarea,
select {
  font-family: var(--font-main);
  border: none;
  outline: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--text-dark);
}

h1 {
  font-size: 3.5rem;
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
}

p {
  color: var(--text-medium);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background: var(--background-light);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-medium);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-blue);
  background: var(--primary-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  border: none;
}

.btn-primary {
  background: var(--primary-blue);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--background-light);
  color: var(--text-dark);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  background: var(--primary-light);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-dark);
  transition: var(--transition-normal);
}

.btn-icon:hover {
  background: var(--background);
  color: var(--primary-blue);
}

/* Cards */
.card {
  background: var(--background-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-dark);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: var(--transition-normal);
  background: var(--white);
}

.form-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-light);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

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

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 2rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .header-nav {
    display: none;
  }
}