/* ==========================================================================
   theme.css — Variables CSS, reset, typographie, layout de base
   Charte graphique JPN (Parc naturel Jorat) — pb-stock
   ========================================================================== */

/* Police Google Fonts (DM Sans, graisses 400/500/700) */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

/* --------------------------------------------------------------------------
   Variables CSS — charte graphique JPN (obligatoire, ne pas modifier)
   -------------------------------------------------------------------------- */
:root {
  --teal:      #1F6481;
  --lime:      #D7E337;
  --encre:     #142228;
  --parchemin: #EDE0BC;
  --blanc:     #FFFFFF;

  /* Couleurs fonctionnelles dérivées */
  --success:   #2D8F4E;
  --warning:   #E6A817;
  --danger:    #C0392B;
  --muted:     #6B7280;
  --bg-light:  #F7F8FA;
  --border:    #E2E5E9;

  /* Typographie */
  --font-family: 'DM Sans', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 20px;
  --font-size-xl: 28px;

  /* Espacements */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Arrondis */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Ombres */
  --shadow-sm: 0 1px 3px rgba(20, 34, 40, 0.08);
  --shadow-md: 0 4px 12px rgba(20, 34, 40, 0.12);
}

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

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

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

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

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

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Styles de base
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--encre);
  background: var(--bg-light);
  line-height: 1.5;
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--encre);
  line-height: 1.25;
}

h1 {
  font-size: var(--font-size-xl);
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  color: var(--encre);
}

a {
  color: var(--teal);
  transition: color 0.15s ease;
}

a:hover,
a:focus-visible {
  color: var(--encre);
}

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.flex {
  display: flex;
  gap: var(--space-md);
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  align-items: center;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}