/* ============================================================
   FLOWELL OIL & GAS — Design Tokens
   Charcoal + Amber palette · Bodoni Moda + Jost typography
   ENERGY 2 / RHYTHM 2 / MOTION 2
   ============================================================ */

:root {
  /* ── Color ── */
  --bg:             #0D0D0F;
  --bg-alt:         #111114;
  --surface:        #17171A;
  --surface-raised: #1E1E22;
  --border:         #2A2A2F;
  --border-subtle:  #1F1F23;

  --text-primary:   #EDECEA;
  --text-secondary: #918F8A;
  --text-tertiary:  #5A5855;

  /* Single accent: amber — used only at key moments */
  --accent:         #C9973A;
  --accent-muted:   rgba(201, 151, 58, 0.12);
  --accent-glow:    rgba(201, 151, 58, 0.08);

  /* State colors (for form feedback only) */
  --success:        #4A8C6A;
  --error:          #B85252;

  /* ── Typography ── */
  --font-display:   'Bodoni Moda', Georgia, serif;
  --font-body:      'Jost', system-ui, sans-serif;

  /* Type scale — fluid between 375px and 1440px */
  --text-xs:    0.6875rem;   /* 11px — labels, caps */
  --text-sm:    0.8125rem;   /* 13px — captions, meta */
  --text-base:  1rem;        /* 16px — body */
  --text-md:    1.125rem;    /* 18px — lead paragraph */
  --text-lg:    1.375rem;    /* 22px — sub-headings */
  --text-xl:    1.75rem;     /* 28px — H3 */
  --text-2xl:   2.25rem;     /* 36px — H2 */
  --text-3xl:   3rem;        /* 48px — H1 page */
  --text-4xl:   4rem;        /* 64px — hero large */
  --text-hero:  clamp(2.75rem, 6vw, 5.5rem);  /* responsive hero */

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  --tracking-tight:  -0.03em;
  --tracking-normal: 0em;
  --tracking-wide:   0.08em;
  --tracking-wider:  0.14em;

  /* ── Spacing scale ── */
  --space-1:   0.25rem;   /*  4px */
  --space-2:   0.5rem;    /*  8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-32:  8rem;      /* 128px */
  --space-section: clamp(4rem, 8vw, 8rem);

  /* ── Radius ── */
  --radius-sm:   2px;
  --radius-md:   4px;
  --radius-none: 0;

  /* ── Elevation (shadow) — used only for nav dropdown */
  --shadow-dropdown: 0 8px 32px rgba(0, 0, 0, 0.6);

  /* ── Motion ── */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --dur-fast:    150ms;
  --dur-base:    250ms;
  --dur-slow:    400ms;
  --dur-reveal:  600ms;

  /* ── Layout ── */
  --container-max: 1200px;
  --container-wide: 1440px;
  --nav-height:   72px;

  /* ── Brand motif ── */
  /* The amber rule: 1px horizontal line, 40px wide — appears above each section header */
  --motif-width:  40px;
  --motif-height: 1px;
  --motif-color:  var(--accent);
}