/* ==========================================================================
   Design tokens — CSS Custom Properties
   22Casino / 22kasino-cz.com
   ========================================================================== */
:root {
  /* Colors — backgrounds */
  --color-bg-primary: #14292b;
  --color-bg-dark: #0d1e21;
  --color-card-bg: #1b3335;

  /* Colors — accents */
  --color-accent-light: #8bd35a;
  --color-accent-lime: #6fcb45;
  --color-heading-accent: #9be86a;

  /* Colors — text */
  --color-white: #f1f4f4;
  --color-text-primary: #a9b9b6;
  --color-text-on-btn: #102013;

  /* Colors — buttons */
  --gradient-btn-primary: linear-gradient(180deg, #9be86a 0%, #4caf3f 100%);
  --color-btn-secondary-border: #4f6a68;

  /* Colors — utility */
  --color-danger: #e0393e;
  --color-overlay-dark: rgba(13, 30, 33, 0.72);
  --color-overlay-darker: rgba(13, 30, 33, 0.88);

  /* Typography */
  --font-family-base: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --font-size-base: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --font-size-small: clamp(0.75rem, 0.72rem + 0.15vw, 0.875rem);
  --font-size-h1: clamp(2.125rem, 1.6rem + 2.4vw, 2.875rem);
  --font-size-h2: clamp(1.625rem, 1.4rem + 1vw, 2.125rem);
  --font-size-h3: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem);

  --line-height-base: 1.35;
  --line-height-hero: 1.0;
  --line-height-heading: 1.2;

  /* Spacing */
  --space-section: clamp(1.75rem, 1.25rem + 1.5vw, 2.75rem);
  --space-card-gap: 1.625rem;
  --space-paragraph: 1.25rem;
  --space-h2-text: 1.25rem;
  --space-h3-text: 1rem;
  --space-faq-gap: 0.875rem;
  --space-card-padding: 1.5rem;
  --space-card-padding-sm: 0.875rem;
  --space-container-side: 1rem;
  --space-main-bottom: 4.5rem;

  /* Layout */
  --container-max-width: 1920px;
  --radius-card: 1.875rem;
  --radius-card-sm: 1rem;
  --radius-btn: 3rem;
  --radius-pill: 999px;

  /* Effects */
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-header: 0 4px 20px rgba(0, 0, 0, 0.3);
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;

  /* Z-index */
  --z-header: 100;
  --z-dropdown: 110;
  --z-overlay: 200;
  --z-scroll-top: 90;
}