/* ============================================================
   Conexão Azul — Colors & Type Tokens
   Sourced from the brand mark (#1E2D78 indigo, #2DD2E1 cyan)
   ============================================================ */

/* ---------- Web fonts ---------- */
/*
   Display: Bricolage Grotesque — humanist geometric sans with optical sizing.
            Picked to match the wordmark's warmth (rounded terminals, soft bowls)
            without being robotic. Variable axis: opsz 12..96, wght 400..800.
   Body:    Inter — universal workhorse for UI, forms and body copy.
   Mono:    JetBrains Mono — code, integration IDs, tabular data.
*/
@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Caveat:wght@500;700&display=swap");

:root {
  /* ============== PRIMITIVE COLOR SCALE ============== */

  /* Indigo — the anchor. Used for primary surfaces, deep type, structural lines. */
  --indigo-950: #0B1133;
  --indigo-900: #131C55;
  --indigo-800: #1E2D78;   /* ⭐ BRAND PRIMARY — from logo wordmark */
  --indigo-700: #2A3D9B;
  --indigo-600: #3A52BD;
  --indigo-500: #5B72D6;
  --indigo-400: #8898E5;
  --indigo-300: #B4BEEF;
  --indigo-200: #D9DEF7;
  --indigo-100: #ECEFFB;
  --indigo-50:  #F5F7FE;

  /* Cyan — the spark. Used for connection highlights, active states, accents. */
  --cyan-900: #0A4F58;
  --cyan-800: #0F7884;
  --cyan-700: #14A0B1;
  --cyan-600: #1FBDD0;
  --cyan-500: #2DD2E1;     /* ⭐ BRAND ACCENT — from logo "Azul" */
  --cyan-400: #5BDDE9;
  --cyan-300: #8EE8F0;
  --cyan-200: #BFF2F7;
  --cyan-100: #E1F9FB;
  --cyan-50:  #F2FCFD;

  /* Neutrals — warm-cool slate, calibrated against indigo */
  --neutral-1000: #0A0E1F;
  --neutral-900: #14182A;
  --neutral-800: #1F2438;
  --neutral-700: #353B52;
  --neutral-600: #525A75;
  --neutral-500: #707991;
  --neutral-400: #9098AD;
  --neutral-300: #B6BCCB;
  --neutral-200: #D5DAE4;
  --neutral-100: #EBEDF3;
  --neutral-50:  #F5F6F9;
  --neutral-0:   #FFFFFF;

  /* Semantic — borrowed sparingly, calibrated to brand temperature */
  --success-500: #16A571;
  --success-100: #DDF5EA;
  --warning-500: #E8A23A;
  --warning-100: #FBEED5;
  --danger-500:  #DC4848;
  --danger-100:  #FBE0E0;
  --info-500:    var(--cyan-600);
  --info-100:    var(--cyan-100);

  /* WhatsApp green — used ONLY when literally referencing WhatsApp */
  --whatsapp-500: #25D366;

  /* ============== SEMANTIC TOKENS ============== */

  /* Foregrounds */
  --fg-default:  var(--indigo-950);
  --fg-strong:   var(--indigo-800);
  --fg-muted:    var(--neutral-600);
  --fg-subtle:   var(--neutral-500);
  --fg-disabled: var(--neutral-400);
  --fg-on-dark:  var(--neutral-0);
  --fg-on-accent:var(--indigo-950);
  --fg-link:     var(--indigo-700);
  --fg-link-hover: var(--cyan-700);

  /* Backgrounds */
  --bg-canvas:   var(--neutral-0);
  --bg-subtle:   var(--neutral-50);
  --bg-muted:    var(--neutral-100);
  --bg-inverse:  var(--indigo-950);
  --bg-brand:    var(--indigo-800);
  --bg-brand-soft: var(--indigo-50);
  --bg-accent:   var(--cyan-500);
  --bg-accent-soft: var(--cyan-50);

  /* Borders */
  --border-subtle: var(--neutral-100);
  --border-default: var(--neutral-200);
  --border-strong: var(--neutral-300);
  --border-brand: var(--indigo-200);
  --border-focus: var(--cyan-500);

  /* ============== TYPOGRAPHY ============== */

  /* Families */
  --font-display: "Bricolage Grotesque", "Plus Jakarta Sans", "Inter", system-ui, -apple-system, sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Scale — modular, slightly tightened for dashboards & marketing */
  --fs-display-2xl: clamp(56px, 6.5vw, 88px);
  --fs-display-xl:  clamp(44px, 5vw, 64px);
  --fs-display-lg:  clamp(36px, 4vw, 48px);
  --fs-h1: 40px;
  --fs-h2: 32px;
  --fs-h3: 24px;
  --fs-h4: 20px;
  --fs-h5: 18px;
  --fs-body-lg: 18px;
  --fs-body:    16px;
  --fs-body-sm: 14px;
  --fs-caption: 13px;
  --fs-micro:   11px;

  --lh-tight:  1.1;
  --lh-snug:   1.25;
  --lh-normal: 1.5;
  --lh-relaxed:1.65;

  --tracking-tight:  -0.02em;
  --tracking-snug:   -0.01em;
  --tracking-normal: 0;
  --tracking-wide:    0.04em;
  --tracking-caps:    0.12em;

  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold:800;

  /* ============== SPACING ============== */
  --space-0:  0;
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* ============== RADII ============== */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-pill: 999px;

  /* ============== SHADOWS / ELEVATION ============== */
  --shadow-xs: 0 1px 2px rgba(11, 17, 51, 0.06);
  --shadow-sm: 0 2px 6px rgba(11, 17, 51, 0.06), 0 1px 2px rgba(11, 17, 51, 0.04);
  --shadow-md: 0 6px 16px rgba(11, 17, 51, 0.08), 0 2px 4px rgba(11, 17, 51, 0.05);
  --shadow-lg: 0 16px 36px rgba(11, 17, 51, 0.10), 0 4px 8px rgba(11, 17, 51, 0.05);
  --shadow-xl: 0 28px 64px rgba(11, 17, 51, 0.14), 0 8px 16px rgba(11, 17, 51, 0.06);
  --shadow-glow-cyan: 0 0 0 4px rgba(45, 210, 225, 0.18), 0 8px 24px rgba(45, 210, 225, 0.25);
  --shadow-inner: inset 0 1px 0 rgba(255,255,255,0.6), inset 0 -1px 0 rgba(11,17,51,0.04);

  /* ============== MOTION ============== */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasis: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;

  /* ============== LAYOUT ============== */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1440px;

  /* ============== A11Y ============== */
  /* Apply with: outline: var(--focus-ring); outline-offset: 2px;
     Or as box-shadow for inputs:  box-shadow: var(--focus-shadow); */
  --focus-ring: 2px solid var(--cyan-500);
  --focus-shadow: 0 0 0 3px rgba(45, 210, 225, 0.32);
  --focus-shadow-on-dark: 0 0 0 3px rgba(45, 210, 225, 0.55);
}

/* ============== DARK MODE (opt-in via data-theme="dark" on <html>) ============== */
[data-theme="dark"] {
  --fg-default:  #F2F4FA;
  --fg-strong:   #FFFFFF;
  --fg-muted:    #A6ADC2;
  --fg-subtle:   #7D8499;
  --fg-disabled: #565D75;
  --fg-link:     var(--cyan-400);
  --fg-link-hover: var(--cyan-300);

  --bg-canvas:   var(--indigo-950);
  --bg-subtle:   #11163A;
  --bg-muted:    #1A2150;
  --bg-inverse:  #FFFFFF;
  --bg-brand:    var(--indigo-700);
  --bg-brand-soft: rgba(45, 210, 225, 0.10);
  --bg-accent:   var(--cyan-500);
  --bg-accent-soft: rgba(45, 210, 225, 0.12);

  --border-subtle: rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.18);
  --border-brand: rgba(45, 210, 225, 0.30);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.40);
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.45), 0 1px 2px rgba(0, 0, 0, 0.30);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.50), 0 2px 4px rgba(0, 0, 0, 0.30);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.55), 0 4px 8px rgba(0, 0, 0, 0.30);
}

/* ============== A11Y / MOTION DEFAULTS ============== */
*:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visually-hidden utility for screen-readers */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============== ELEMENT-LEVEL DEFAULTS ============== */

html, body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--fg-default);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  color: var(--fg-strong);
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
  margin: 0;
  font-weight: var(--fw-bold);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); letter-spacing: var(--tracking-snug); }
h3 { font-size: var(--fs-h3); letter-spacing: var(--tracking-snug); font-weight: var(--fw-semibold); }
h4 { font-size: var(--fs-h4); font-weight: var(--fw-semibold); }
h5 { font-size: var(--fs-h5); font-weight: var(--fw-semibold); }

p {
  margin: 0;
  line-height: var(--lh-relaxed);
  text-wrap: pretty;
}

a {
  color: var(--fg-link);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}
a:hover { color: var(--fg-link-hover); }

code, pre, kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

/* Utility eyebrow / caps label — used for section eyebrows */
.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--cyan-700);
}