/* ==========================================================================
   Design tokens — Bolpex Energy International
   Brand colours sampled from the Bolpex logo (shared Boltog group palette): red #ED3237, charcoal #373435
   ========================================================================== */
:root {
  /* Brand */
  --red-700: #c4222a;
  --red-600: #ed3237; /* Bolpex Red — logo */
  --red-500: #f2555a;
  --red-100: #fde3e3;
  --red-50: #fef2f2;

  /* Ink / neutrals (warm, derived from logo charcoal) */
  --ink-950: #0f0d0e;
  --ink-900: #171415;
  --ink-800: #232021;
  --ink-700: #373435; /* Bolpex Charcoal — logo */
  --ink-600: #4d494a;
  --ink-500: #6b6668;
  --ink-400: #928d8f;
  --ink-300: #bcb7b8;
  --ink-200: #dedad8;
  --ink-100: #eeebe8;
  --ink-50: #f7f5f2;
  --white: #ffffff;

  /* Semantic */
  --color-bg: var(--white);
  --color-bg-alt: var(--ink-50);
  --color-bg-dark: var(--ink-900);
  --color-text: var(--ink-800);
  --color-text-muted: var(--ink-500);
  --color-text-inverse: var(--white);
  --color-text-inverse-muted: #b9b4b5;
  --color-border: var(--ink-200);
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-accent: var(--red-600);
  --color-accent-hover: var(--red-700);
  --color-focus: #2f7de1;
  --color-success: #1f8a4c;

  /* Typography */
  --font-display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --fs-xs: 0.8125rem;   /* 13 */
  --fs-sm: 0.9375rem;   /* 15 */
  --fs-base: 1.0625rem; /* 17 */
  --fs-lg: 1.25rem;     /* 20 */
  --fs-xl: clamp(1.375rem, 1.1rem + 0.9vw, 1.75rem);
  --fs-2xl: clamp(1.75rem, 1.3rem + 1.6vw, 2.25rem);
  --fs-3xl: clamp(2.125rem, 1.5rem + 2.4vw, 3rem);
  --fs-4xl: clamp(2.5rem, 1.6rem + 3.8vw, 4.25rem);

  --lh-tight: 1.05;
  --lh-snug: 1.25;
  --lh-body: 1.65;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section-y: clamp(4rem, 2.5rem + 5vw, 7rem);

  /* Layout */
  --container: 1240px;
  --container-narrow: 820px;
  --gutter: clamp(1rem, 0.5rem + 2.5vw, 2.5rem);
  --header-h: 76px;
  --topbar-h: 38px;

  /* Shape & depth — tight radii for an industrial feel */
  --radius-sm: 3px;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 13, 14, 0.04), 0 2px 4px rgba(15, 13, 14, 0.04);
  --shadow: 0 8px 30px rgba(15, 13, 14, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 13, 14, 0.12);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 220ms;

  /* Signature: the slant of the Bolpex logo swoosh */
  --slant: -12deg;
}