/* ========================================
   RENOVA — Design System Variables
   ======================================== */

/* === FONTES (self-hosted, variáveis, subset latino) === */
@font-face {
  font-family: 'Montserrat';
  src: url('../assets/fonts/montserrat-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* === CORES === */
  --color-primary:      #0A1F3F;
  --color-secondary:    #1B3A6B;
  --color-accent:       #2563EB;
  --color-glow:         #3B82F6;
  --color-bg:           #F1F3F5;
  --color-bg-alt:       #E8EAED;
  --color-surface:      #FFFFFF;
  --color-text:         #0F172A;
  --color-text-muted:   #475569;
  --color-text-light:   #94A3B8;
  --color-border:       #D1D5DB;
  --color-border-light: #E5E7EB;
  --color-whatsapp:     #15803D; /* verde WhatsApp escurecido: contraste 5.0:1 com texto branco (WCAG AA) */
  --color-whatsapp-dark:#166534;
  --color-inox:         #8a9199;
  --gradient-inox:      linear-gradient(135deg, #e3e4e7 30%, #e3e4e7 40%, #e3e4e7 40%, #e3e4e7 50%);
  --color-overlay:      rgba(10, 31, 63, 0.85);
  --color-glass:        rgba(255, 255, 255, 0.08);
  --color-glass-border: rgba(255, 255, 255, 0.15);
  --color-glass-dark:   rgba(10, 31, 63, 0.6);

  /* === GRADIENTES === */
  --gradient-primary:   linear-gradient(135deg, #0A1F3F 0%, #1B3A6B 50%, #2563EB 100%);
  --gradient-accent:    linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  --gradient-hero:      linear-gradient(135deg, #0A1F3F 0%, #122B52 40%, #1B3A6B 100%);
  --gradient-dark:      linear-gradient(180deg, #0A1F3F 0%, #0D1526 100%);
  --gradient-card:      linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
  --gradient-glow:      linear-gradient(135deg, rgba(37,99,235,0.2) 0%, rgba(59,130,246,0.1) 100%);

  /* === TIPOGRAFIA === */
  --font-heading:    'Montserrat', sans-serif;
  --font-body:       'Inter', sans-serif;

  --text-xs:   clamp(0.75rem, 1.5vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 1.8vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 2vw, 1.0625rem);
  --text-lg:   clamp(1.0625rem, 2.3vw, 1.1875rem);
  --text-xl:   clamp(1.1875rem, 2.8vw, 1.4375rem);
  --text-2xl:  clamp(1.4375rem, 3.5vw, 1.875rem);
  --text-3xl:  clamp(1.75rem, 4.5vw, 2.5rem);
  --text-4xl:  clamp(2.25rem, 6vw, 3.5rem);
  --text-5xl:  clamp(2.75rem, 7.5vw, 4.5rem);

  --leading-tight:  1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

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

  /* === ESPAÇAMENTO === */
  --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-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* === BORDAS === */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  /* === SOMBRAS === */
  --shadow-sm:    0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md:    0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg:    0 8px 30px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-xl:    0 16px 50px rgba(0, 0, 0, 0.15), 0 8px 16px rgba(0, 0, 0, 0.08);
  --shadow-glow:  0 0 30px rgba(37, 99, 235, 0.3), 0 0 60px rgba(37, 99, 235, 0.1);
  --shadow-glow-lg: 0 0 50px rgba(37, 99, 235, 0.4), 0 0 100px rgba(37, 99, 235, 0.15);
  --shadow-card:  0 4px 20px rgba(10, 31, 63, 0.08);
  --shadow-card-hover: 0 12px 40px rgba(10, 31, 63, 0.15);

  /* === TRANSIÇÕES === */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === Z-INDEX === */
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-whatsapp: 500;
  --z-header:   600;

  /* === CONTAINER === */
  --container-max: 1280px;
  --container-padding: 1rem;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 3rem;
  }
}