/* =====================================================================
   FSG Design System — Colors & Type
   ---------------------------------------------------------------------
   Fusion Solutions Group: Fractional CTO for Systems Integrators & Electrical Contractors
   Source: fusionsg.com, FSG Brand Voice Guide, SCALE One-Pager
   ===================================================================== */

/* ---- WEBFONTS ----
   Sora (display/headings) and DM Sans (body) are the official FSG webfonts.
   Loaded from Google Fonts via @import for portability; you can also
   self-host using the files in /fonts (placeholder; see README).
*/
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  /* ============================================================
     COLOR — BRAND
     ============================================================ */
  --fsg-brand:        #0c5394;   /* Primary blue (logo) */
  --fsg-brand-dark:   #083d72;   /* Deep blue — gradient end, headings on light */
  --fsg-brand-darker: #062e57;   /* Footer / very-dark surfaces */
  --fsg-brand-light:  #e8f1fb;   /* Tint — eyebrow chips, icon plates */

  --fsg-accent:       #e8840c;   /* Warm amber accent — CTA / SCALE letter blocks */
  --fsg-accent-dark:  #c96e08;   /* Hover/press for accent */

  /* ============================================================
     COLOR — INK & TEXT
     ============================================================ */
  --fsg-ink:          #0b1220;   /* Primary text on light */
  --fsg-ink-2:        #3a4459;   /* Secondary text / body emphasis */
  --fsg-muted:        #6b7690;   /* Muted text / labels / fine print */
  --fsg-muted-2:      rgba(11,18,32,.55);

  /* ============================================================
     COLOR — SURFACES
     ============================================================ */
  --fsg-white:        #ffffff;
  --fsg-bg:           #f5f0e7;   /* Warm parchment — page bg / section bands */
  --fsg-bg-2:         #faf6ee;   /* Slightly lighter parchment */
  --fsg-bg-dark:      #0b1a2e;   /* Dark section (S.C.A.L.E., footer) */

  /* ============================================================
     COLOR — LINES & DIVIDERS
     ============================================================ */
  --fsg-line:         rgba(11,18,32,.09);
  --fsg-line-dark:    rgba(255,255,255,.10);

  /* ============================================================
     COLOR — SEMANTIC
     ============================================================ */
  --fsg-success:      #1a9e5c;
  --fsg-success-bg:   rgba(26,158,92,.12);
  --fsg-danger:       #d14b2a;
  --fsg-danger-bg:    rgba(209,75,42,.10);

  /* ============================================================
     TYPOGRAPHY — FAMILIES
     ============================================================ */
  --font-head: 'Sora', ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: 'DM Sans', ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

  /* ============================================================
     TYPOGRAPHY — TYPE SCALE
     Mobile-safe clamps mirror the live site.
     ============================================================ */
  --t-display:  clamp(36px, 5vw, 66px);   /* Hero H1 */
  --t-h1:       clamp(32px, 4vw, 52px);
  --t-h2:       clamp(26px, 3vw, 38px);
  --t-h3:       19px;
  --t-h4:       17px;
  --t-body-lg:  18px;
  --t-body:     16px;
  --t-body-sm:  14.5px;
  --t-caption:  13px;
  --t-eyebrow:  11px;
  --t-stat:     clamp(28px, 3vw, 40px);

  /* ============================================================
     SPACING — 4px BASE
     ============================================================ */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-7:  32px;
  --sp-8:  40px;
  --sp-9:  56px;
  --sp-10: 72px;
  --sp-11: 96px;

  /* ============================================================
     RADII
     ============================================================ */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius:    14px;   /* Buttons, chips */
  --radius-md: 16px;
  --radius-lg: 20px;   /* Cards, panels */
  --radius-pill: 999px;

  /* ============================================================
     SHADOWS — Cool blue-shadow stack
     ============================================================ */
  --shadow-sm: 0 4px 14px rgba(11,18,32,.06);
  --shadow:    0 12px 32px rgba(11,18,32,.09);
  --shadow-lg: 0 24px 56px rgba(11,18,32,.13);
  --shadow-brand: 0 6px 20px rgba(12,83,148,.28);
  --shadow-brand-lg: 0 10px 28px rgba(12,83,148,.38);
  --shadow-accent: 0 6px 20px rgba(232,132,12,.28);

  /* ============================================================
     LAYOUT
     ============================================================ */
  --max-width: 1140px;
  --pad: clamp(18px, 3vw, 32px);

  /* ============================================================
     MOTION
     ============================================================ */
  --ease-out:  cubic-bezier(.22, .61, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --dur-fast: .15s;
  --dur:      .25s;
  --dur-slow: .55s;
}

/* =====================================================================
   SEMANTIC ELEMENT STYLES
   ===================================================================== */

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--fsg-ink);
  background: var(--fsg-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--fsg-ink);
  letter-spacing: -.5px;
  line-height: 1.1;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: var(--t-h1);     font-weight: 800; letter-spacing: -1.5px; }
h2 { font-size: var(--t-h2);     font-weight: 800; letter-spacing: -1.1px; }
h3 { font-size: var(--t-h3);     font-weight: 800; letter-spacing: -.4px; }
h4 { font-size: var(--t-h4);     font-weight: 700; letter-spacing: -.3px; }

p { margin: 0; line-height: 1.65; }
p.lead   { font-size: var(--t-body-lg); color: var(--fsg-ink-2); }
p.muted  { color: var(--fsg-muted); }

a { color: var(--fsg-brand); text-decoration: none; }
a:hover { color: var(--fsg-brand-dark); }

strong, b { font-weight: 700; color: var(--fsg-ink); }
em { font-style: normal; color: var(--fsg-brand); } /* Brand idiom (see hero H1 on website) */

/* Eyebrow label — "OUR FRAMEWORK", "REAL RESULTS", etc */
.fsg-eyebrow {
  font-family: var(--font-head);
  font-size: var(--t-eyebrow);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .9px;
  color: var(--fsg-brand);
  display: inline-flex; align-items: center; gap: 8px;
}
.fsg-eyebrow::before {
  content: ""; width: 18px; height: 2px; border-radius: 2px;
  background: currentColor;
}

/* Section sub-copy */
.fsg-sub {
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--fsg-muted);
  max-width: 58ch;
}

code, kbd, pre, samp { font-family: var(--font-mono); }

/* Reduced-motion respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}