/**
 * Design tokens — CSS Custom Properties.
 * Source of truth for every color, font, spacing and radius value used
 * across the site. No "magic numbers" outside this file.
 */
:root {
  /* Colors */
  --color-bg-primary: #070b1d;
  --color-bg-dark: #101528;
  --color-accent-yellow: #ffc21f;
  --color-white: #ffffff;
  --color-btn-accent-start: #ff5a4d;
  --color-btn-accent-end: #ef3438;
  --color-btn-accent: linear-gradient(180deg, var(--color-btn-accent-start) 0%, var(--color-btn-accent-end) 100%);
  --color-btn-secondary-border: #ffc21f;
  --color-text-primary: #d4c5b1;
  --color-heading-gold: #ffd32a;
  --color-text-on-light: #1a1420;
  --color-overlay-dark: rgba(7, 11, 29, 0.72);
  --color-border-subtle: rgba(255, 194, 31, 0.18);
  --color-focus-ring: #ffd32a;

  /* 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-black: 800;

  --font-size-base: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --font-size-small: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --font-size-h1: clamp(2rem, 1.6rem + 1.8vw, 2.75rem);
  --font-size-h2: clamp(1.625rem, 1.4rem + 1vw, 2rem);
  --font-size-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --line-height-base: 1.6;

  /* Spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.25rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;

  --space-section: clamp(2.5rem, 2rem + 2vw, 3.75rem);
  --space-card-gap: 1.25rem;
  --space-paragraph-gap: 1.25rem;
  --space-heading-gap: 1.25rem;
  --space-h3-gap: 1rem;
  --space-faq-gap: 1rem;
  --space-card-padding: 1.5rem;

  /* Layout */
  --container-max-width: 1440px;
  --container-padding-inline: clamp(1rem, 3vw, 2.5rem);

  /* Radius & shadow */
  --radius-card: 6px;
  --radius-pill: 999px;
  --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
  --shadow-header: 0 4px 18px rgba(0, 0, 0, 0.45);

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --z-header: 100;
  --z-toc: 20;
  --z-to-top: 90;
}