/* base.css — reset, variables y tipografía global */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
  /* Colores marca Vocamina (extraídos de vocamina.com) */
  --color-primary: #2b1e6b;            /* morado-navy: marca principal */
  --color-primary-dark: #1a134a;
  --color-primary-light: #ebe9f4;
  --color-accent: #f1b82f;              /* amarillo casco minero: acento */
  --color-accent-dark: #d49d18;

  /* Neutrales */
  --color-bg: #ffffff;
  --color-bg-soft: #f7f8fa;
  --color-text: #1a1a1a;
  --color-text-soft: #4a4a4a;
  --color-text-muted: #8a8a8a;
  --color-border: #e5e7eb;
  --color-border-soft: #f0f1f3;

  /* Tipografía */
  --font-sans: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 28px;
  --fs-3xl: 40px;
  --fs-4xl: 56px;

  /* Espaciado */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Radios y sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

  /* Layout */
  --header-h: 64px;
  --max-w: 1200px;
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.5;
  /* Evita que mobile browsers hagan auto-resize del texto al escalar */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
}

p { margin: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: var(--fs-sm);
  color: var(--color-text);
}

img { max-width: 100%; display: block; }

/* Utilidades */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary {
  background: var(--color-bg-soft);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-border-soft); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-soft);
}
.btn-ghost:hover { background: var(--color-bg-soft); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}