/* ============================================================
   VEGAS THEME - Design Tokens & Base Styles
   Trip2Vegas Las Vegas Travel Agency
   Mobile-first modular design system
   ============================================================ */

/* --- Design Tokens (CSS Custom Properties) --- */
:root {
  /* Colors */
  --color-gold: #FFD700;
  --color-gold-dark: #B8860B;
  --color-gold-light: #FFE44D;
  --color-black: #0A0A0A;
  --color-black-light: #1A1A1A;
  --color-black-lighter: #252525;
  --color-red: #DC143C;
  --color-red-dark: #8B0000;
  --color-red-light: #FF4D6A;
  --color-white: #FFFFFF;
  --color-gray: #888888;
  --color-gray-light: #F5F5F5;
  --color-gray-dark: #333333;
  --color-overlay: rgba(10, 10, 10, 0.7);
  --color-overlay-heavy: rgba(10, 10, 10, 0.85);

  /* Typography */
  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Cinzel', 'Playfair Display', serif;

  /* Font Sizes - Mobile first */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.75rem;
  --text-4xl: 2rem;
  --text-5xl: 2.5rem;
  --text-6xl: 3rem;

  /* Font Weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 1rem;
  --header-height: 70px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
  --shadow-gold-lg: 0 8px 30px rgba(255, 215, 0, 0.35);
  --shadow-red: 0 4px 20px rgba(220, 20, 60, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-whatsapp: 600;
}

/* --- CSS Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-gold-light);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* --- Language Toggle (CSS-driven visibility) --- */
html[data-lang="en"] [data-lang-tr] { display: none !important; }
html[data-lang="tr"] [data-lang-en] { display: none !important; }

/* Default: show English if no lang attribute set */
html:not([data-lang]) [data-lang-tr] { display: none !important; }

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

h1 { font-size: var(--text-4xl); margin-bottom: var(--space-6); }
h2 { font-size: var(--text-3xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--text-2xl); margin-bottom: var(--space-3); }
h4 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
h5 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
h6 { font-size: var(--text-base); margin-bottom: var(--space-2); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-light);
}

/* --- Gold Accent Text --- */
.text-gold { color: var(--color-gold); }
.text-red { color: var(--color-red); }
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray); }
.text-center { text-align: center; }

/* --- Gold Decorative Line --- */
.gold-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-dark));
  border: none;
  margin: var(--space-4) 0;
}

.gold-line--center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Selection Styling --- */
::selection {
  background: var(--color-gold);
  color: var(--color-black);
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-black);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gold-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}