/* ============================================================
   DESIGN SYSTEM — Template SPDA 2025
   Tokens visuais — paleta azul elétrico sobre fundo escuro.
   ============================================================ */

@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial'), local('Helvetica Neue'), local('Liberation Sans');
  size-adjust: 107%;
  ascent-override: 90%;
  descent-override: 22%;
  line-gap-override: 0%;
  font-display: swap;
}

:root {
  --color-background: #0A0A0A;
  --color-background-alt: #141414;
  --color-surface: #1A1A1A;
  --color-surface-2: #232323;
  --color-hairline: rgba(255,255,255,0.08);
  --color-hairline-strong: rgba(255,255,255,0.14);

  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-soft: rgba(37,99,235,0.10);
  --color-primary-ink: #FFFFFF;
  --color-primary-text: #60A5FA;  /* Versão clara pra texto sobre fundo escuro (contraste AA WCAG) */

  --color-accent: #FFC107;
  --color-accent-soft: rgba(255,193,7,0.12);

  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B0B0B0;
  --color-text-tertiary: #8B8B8B;

  --color-success: #16A34A;
  --color-error: #DC2626;

  --color-inverted-bg: #F5F5F5;
  --color-inverted-fg: #0A0A0A;

  --font-display: 'Inter', 'Inter Fallback', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Inter Fallback', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-hero: clamp(1.875rem, 4.4vw, 3.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-fast: 150ms;
  --t-base: 200ms;
  --t-slow: 300ms;

  --shadow-glow-primary: 0 0 0 1px rgba(37,99,235,0.45), 0 10px 30px -10px rgba(37,99,235,0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
.tabular { font-variant-numeric: tabular-nums; }

.container-x {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}
@media (min-width: 768px) {
  .container-x { padding-left: var(--space-8); padding-right: var(--space-8); }
}

.section { padding-top: var(--space-12); padding-bottom: var(--space-12); }
@media (min-width: 768px) {
  .section { padding-top: var(--space-24); padding-bottom: var(--space-24); }
}
.section-tight { padding-top: var(--space-8); padding-bottom: var(--space-8); }
@media (min-width: 768px) {
  .section-tight { padding-top: var(--space-12); padding-bottom: var(--space-12); }
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.h-hero {
  font-size: var(--text-hero);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
}
.h-section {
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.h-block {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  transition: transform var(--t-base) var(--ease), background var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
  min-height: 44px;
  white-space: nowrap;
}
.btn-lg { white-space: normal; line-height: 1.3; }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 12px 30px -12px rgba(37,99,235,0.45);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-lg {
  padding: var(--space-6) var(--space-12);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}
.btn-xl {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  letter-spacing: -0.01em;
  line-height: 1.3;
  white-space: normal;
  text-align: center;
}
@media (min-width: 640px) {
  .btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    line-height: 1.1;
  }
}
@media (min-width: 1024px) {
  .btn-xl {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-xl);
  }
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
  border-radius: var(--radius-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-hairline-strong);
}
.btn-ghost:hover { background: var(--color-surface); }

.global-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 76px;
  background: rgba(10,10,10,0.72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--color-hairline);
}
@media (max-width: 640px) {
  .global-header { height: 60px; }
}
.global-header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  letter-spacing: -0.015em;
}
.brand-logo {
  height: 44px;
  width: auto;
  display: block;
  transition: opacity var(--t-base) var(--ease);
}
.brand:hover .brand-logo { opacity: 0.82; }
@media (max-width: 640px) {
  .brand-logo { height: 32px; }
}
.brand-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding-left: var(--space-3);
  margin-left: var(--space-3);
  border-left: 1px solid var(--color-hairline);
  line-height: 1;
  white-space: nowrap;
}
@media (max-width: 640px) {
  .brand-text { display: none; }
}
.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 400;
  transition: color var(--t-base) var(--ease);
}
.nav-link:hover { color: var(--color-text-primary); }

.hairline { height: 1px; background: var(--color-hairline); width: 100%; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.card:hover { border-color: var(--color-hairline-strong); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-hairline-strong);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}
.badge-accent {
  background: var(--color-accent-soft);
  border-color: rgba(37,99,235,0.5);
  color: #93C5FD;
}
.badge-primary {
  background: var(--color-primary-soft);
  border-color: rgba(37,99,235,0.5);
  color: var(--color-primary);
}

.ic {
  flex: 0 0 auto;
  width: 20px; height: 20px;
  display: inline-grid; place-items: center;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  margin-top: 4px;
}
.ic-check { background: rgba(22,163,74,0.14); color: var(--color-success); border: 1px solid rgba(22,163,74,0.3); }
.ic-cross { background: rgba(220,38,38,0.12); color: #ff6b6b; border: 1px solid rgba(220,38,38,0.3); }
.ic-yellow { background: var(--color-primary-soft); color: var(--color-primary); border: 1px solid rgba(255,193,7,0.4); }

.accordion-item {
  border-bottom: 1px solid var(--color-hairline);
}
.accordion-item:first-child { border-top: 1px solid var(--color-hairline); }
.accordion-trigger {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--color-text-primary);
  padding: var(--space-6) 0;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 600;
  font-family: var(--font-display);
  transition: color var(--t-base) var(--ease);
}
.accordion-trigger:hover { color: var(--color-primary); }
.accordion-trigger .plus {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--radius-full);
  flex: 0 0 auto;
  transition: transform var(--t-base) var(--ease), background var(--t-base) var(--ease), color var(--t-base) var(--ease);
  font-weight: 400;
  font-size: 16px;
  line-height: 1;
}
.accordion-item[aria-expanded="true"] .plus,
.accordion-item[data-expanded="true"] .plus {
  transform: rotate(45deg);
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}
.accordion-content {
  display: none;
  padding-bottom: var(--space-6);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 70ch;
}
.accordion-item[aria-expanded="true"] .accordion-content,
.accordion-item[data-expanded="true"] .accordion-content { display: block; }

@media (max-width: 767px) { .hide-on-mobile { display: none !important; } }
@media (min-width: 768px) { .only-on-mobile { display: none !important; } }

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(8px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
  .reveal.is-in { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (max-width: 640px) {
  .container-x { padding-left: var(--space-4); padding-right: var(--space-4); }
}

html, body { overflow-x: hidden; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-primary); color: var(--color-primary-ink);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100; font-weight: 600;
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }