/* =========================================================
   BRsys Mix • Base
   Estrutura base compartilhada para produtos do /mix/
   Compatível com data-theme + data-mode
   ========================================================= */

/* Reset leve */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, figure, blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img,
picture,
svg,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

/* =========================================================
   Tokens neutros
   Aqui ficam apenas tokens estruturais / neutros.
   Cores principais ficam no themes.css
   ========================================================= */

:root {
  --success: #67d49b;
  --warning: #f3c96b;
  --danger: #ff8c8c;

  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --container: 1180px;
  --header-h: 78px;

  --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;

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

/* Base global */
html,
body {
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--primary) 8%, transparent), transparent 32%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

body.mix-page {
  padding-top: var(--header-h);
}

::selection {
  background: color-mix(in srgb, var(--primary) 24%, transparent);
}

/* Tipografia */
h1, h2, h3, h4 {
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4.4rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

p {
  color: var(--text-soft);
}

small,
.text-small {
  font-size: 0.92rem;
  color: var(--muted);
}

/* Layout */
.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(3.2rem, 6vw, 6rem) 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--surface-alt), transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 980px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .grid-4,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(calc(100% - 1.2rem), var(--container));
  }
}

/* Utilitários */
.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.surface-strong {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--muted);
}

.text-soft {
  color: var(--text-soft);
}

.accent {
  color: var(--primary);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
}

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

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.py-6 { padding-block: var(--space-6); }
.py-8 { padding-block: var(--space-8); }
.py-10 { padding-block: var(--space-10); }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--text) 16%, transparent) transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text) 14%, transparent);
  border-radius: 99px;
}