/* ============================================
   DESIGN SYSTEM — pisosvalinhos.com.br
   Aesthetic: Clean industrial warmth
   ============================================ */

:root {
  /* ---- Palette ---- */
  --color-primary: #1B2D3A;         /* dark blue-slate — trust, authority */
  --color-primary-light: #2A4458;
  --color-secondary: #C8553D;       /* warm terracotta — CTA, action */
  --color-secondary-hover: #A8432E;
  --color-accent: #D4A05A;          /* warm gold — highlights, badges */
  --color-accent-soft: #E8C98A;

  --color-bg: #FAFAF8;              /* warm off-white */
  --color-bg-alt: #F0EEEA;          /* light warm grey */
  --color-bg-dark: #1B2D3A;
  --color-bg-card: #FFFFFF;

  --color-text: #2C2C2C;
  --color-text-secondary: #5E6B73;
  --color-text-light: #8A9199;
  --color-text-inverse: #F5F5F3;

  --color-border: #DDD9D3;
  --color-border-light: #EBE8E3;
  --color-success: #3A7D44;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE57;

  /* ---- Typography — Phase 3: Sora (distinctive) + DM Sans ---- */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --fs-xs: 0.75rem;     /* 12px */
  --fs-sm: 0.875rem;    /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md: 1.125rem;    /* 18px */
  --fs-lg: 1.25rem;     /* 20px */
  --fs-xl: 1.5rem;      /* 24px */
  --fs-2xl: 2rem;       /* 32px */
  --fs-3xl: 2.75rem;    /* 44px */
  --fs-4xl: 3.5rem;     /* 56px */

  --lh-tight: 1.15;
  --lh-heading: 1.25;
  --lh-body: 1.65;

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

  /* ---- Spacing ---- */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --gutter: 1.5rem;

  /* ---- Borders & Radius ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px rgba(27,45,58,0.05);
  --shadow-sm: 0 2px 8px rgba(27,45,58,0.07);
  --shadow-md: 0 4px 16px rgba(27,45,58,0.09);
  --shadow-lg: 0 8px 32px rgba(27,45,58,0.12);
  --shadow-xl: 0 16px 48px rgba(27,45,58,0.16);

  /* ---- Transitions ---- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

/* Dark mode readiness */
@media (prefers-color-scheme: dark) {
  :root {
    /* Override only if we want auto dark mode later */
  }
}