/* ============================================================
   INSIGHT , BASE STYLES
   Design tokens, reset, typography, layout utilities
   Inspired by Vero (Space Grotesk + zinc + slate-blue)
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* --- Surfaces (zinc-tuned dark) --- */
  --bg:             #09090B;
  --bg-surface:     #18181B;
  --bg-card:        #1C1C1E;
  --bg-card-hover:  #27272A;
  --bg-elevated:    #27272A;
  --bg-input:       #111113;

  --border:         rgba(255,255,255,0.06);
  --border-hover:   rgba(255,255,255,0.12);
  --border-strong:  rgba(255,255,255,0.18);

  /* --- Text --- */
  --text:           #FAFAFA;
  --text-body:      #A1A1AA;
  --text-muted:     #71717A;
  --text-dim:       #3F3F46;

  /* --- Accent: slate-blue (Vero palette) --- */
  --primary:        #6B8AE4;
  --primary-50:     #AAC0FF;
  --primary-100:    #8BA4EE;
  --primary-dim:    #5A7BD4;
  --primary-700:    #4A6BC4;
  --primary-glow:   rgba(107,138,228,0.12);
  --primary-tint:   rgba(107,138,228,0.06);

  /* --- Spoke semantics (kept from original, lightly retuned) --- */
  --success:        #10B981;
  --success-glow:   rgba(16,185,129,0.12);
  --danger:         #EF4444;
  --danger-glow:    rgba(239,68,68,0.12);
  --warning:        #F59E0B;
  --warning-glow:   rgba(245,158,11,0.12);
  --purple:         #A78BFA;
  --purple-glow:    rgba(167,139,250,0.12);
  --info:           #38BDF8;
  --info-glow:      rgba(56,189,248,0.12);

  /* --- Gradients --- */
  --gradient-accent:  linear-gradient(90deg, #AAC0FF 0%, #6B8AE4 50%, #4A6BC4 100%);
  --gradient-signal:  linear-gradient(135deg, #4A6BC4 0%, #6B8AE4 55%, #8BA4EE 100%);
  --gradient-hero:    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(107,138,228,0.12) 0%, transparent 55%);

  /* --- Fonts --- */
  --font-heading:   'Space Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-sans:      'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:      'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* --- Sizing --- */
  --nav-height:     64px;
  --container-max:  1200px;
  --container-narrow: 980px;

  --radius-sm:      6px;
  --radius:         10px;
  --radius-lg:      16px;
  --radius-xl:      20px;
  --radius-2xl:     24px;
  --radius-pill:    9999px;

  /* --- Shadows --- */
  --shadow-card:    0 2px 8px rgba(0,0,0,0.15);
  --shadow-glow:    0 8px 32px rgba(107,138,228,0.22), 0 2px 12px rgba(0,0,0,0.45);
  --shadow-cta:     0 8px 24px rgba(107,138,228,0.28);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

/* --- Typography --- */

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}
h4 {
  font-size: 1rem;
  font-weight: 600;
}

.accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.eyebrow {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--primary-100);
}

.subtitle {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 6px;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* --- Section head pattern --- */

.section-head {
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-head .eyebrow-bar {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.section-head .eyebrow-bar::before,
.section-head .eyebrow-bar::after {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--border-hover);
}

.section-head h2 {
  margin: 0 0 14px;
}

.section-head p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  max-width: 560px;
  margin: 0 auto;
}

/* --- Layout --- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow { max-width: var(--container-narrow); }

.section {
  padding: 64px 0;
}

.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* --- Responsive --- */

@media (max-width: 960px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .section { padding: 44px 0; }
}