/* ==========================================================================
   YaTeLoAvise — CSS base del sitio publico
   ========================================================================== */

/* --- Reset minimo --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --- Variables de diseno --- */
:root {
  /* Paleta */
  --color-primary: #1a5276;
  --color-primary-dark: #0e3a56;
  --color-primary-light: #2980b9;
  --color-accent: #2c3e50;
  --color-bg: #f8f9fa;
  --color-bg-alt: #ffffff;
  --color-text: #212529;
  --color-text-secondary: #555e68;
  --color-border: #dee2e6;
  --color-focus: #2980b9;

  /* Tipografia */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1rem;       /* 16px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-h1: 1.75rem;      /* 28px */
  --font-size-h2: 1.5rem;       /* 24px */
  --font-size-h3: 1.25rem;      /* 20px */
  --line-height: 1.6;

  /* Layout */
  --container-max: 960px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Header */
  --header-bg: var(--color-primary);
  --header-text: #ffffff;
}

/* --- Base --- */
html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Tipografia --- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* --- Contenedor principal --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

/* --- Header / Nav --- */
.site-header {
  background-color: var(--header-bg);
  color: var(--header-text);
  padding: var(--spacing-md) 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.site-brand {
  display: flex;
  flex-direction: column;
}

.site-brand__name {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--header-text);
  letter-spacing: -0.02em;
}

.site-brand__name a {
  color: inherit;
  text-decoration: none;
}

.site-brand__tagline {
  font-size: var(--font-size-sm);
  opacity: 0.85;
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.site-nav a {
  color: var(--header-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  opacity: 0.9;
  transition: opacity 0.15s ease;
}

.site-nav a:hover {
  opacity: 1;
  text-decoration: none;
}

/* --- Main --- */
.site-main {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-accent);
  color: #ced4da;
  padding: var(--spacing-lg) 0;
  font-size: var(--font-size-sm);
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  text-align: center;
}

.site-footer__brand {
  font-weight: 600;
  color: #e9ecef;
}

.site-footer__notice {
  opacity: 0.8;
}

/* --- Responsive --- */
@media (max-width: 600px) {
  :root {
    --font-size-h1: 1.5rem;
    --font-size-h2: 1.3rem;
    --font-size-h3: 1.1rem;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .container {
    padding-inline: var(--spacing-md);
  }
}