/* =============================================================
   mon-eau.com — feuille de styles
   Inspiré de la maquette : header sombre, hero image, glass card,
   articles cards blanches, footer clair.
   ============================================================= */

:root {
  --c-bg:        #ffffff;
  --c-bg-alt:    #f3f6fa;
  --c-ink:       #0d1b2a;
  --c-ink-soft:  #4a5b6e;
  --c-line:      #e3e9f0;
  --c-blue:      #2563eb;
  --c-blue-d:    #1d4ed8;
  --c-blue-l:    #dbeafe;
  --c-green:     #10b981;
  --c-amber:     #f59e0b;
  --c-red:       #ef4444;
  --c-dark:      #0a2540;
  --c-dark-2:    #103051;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow-sm:   0 1px 2px rgba(13,27,42,.06), 0 1px 3px rgba(13,27,42,.05);
  --shadow:      0 4px 12px rgba(13,27,42,.08), 0 2px 4px rgba(13,27,42,.04);
  --shadow-lg:   0 20px 40px rgba(13,27,42,.18);
  --container:   1200px;
}

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

html, body { margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--c-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p  { margin: 0 0 1em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }

/* ----- Boutons ------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .8em 1.4em;
  border-radius: 999px;
  border: 0;
  font: inherit; font-weight: 600;
  cursor: pointer;
  transition: all .18s ease;
  text-decoration: none;
}
.btn-primary { background: var(--c-blue); color: #fff; }
.btn-primary:hover { background: var(--c-blue-d); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--c-blue); }
.btn-ghost:hover { background: var(--c-blue-l); text-decoration: none; }
.btn-light  { background: rgba(255,255,255,.15); color: #fff; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.25); }
.btn-light:hover { background: rgba(255,255,255,.25); text-decoration: none; }
.btn-link  { background: transparent; color: #fff; padding: .8em .4em; }
.btn-link:hover { text-decoration: underline; }

/* ----- Header ------------------------------------------------- */
.site-header {
  position: absolute; top: 0; left: 0; right: 0; z-index: 30;
  padding: 1.1rem 0;
}
.site-header.scrolled,
.site-header.solid {
  position: sticky;
  background: var(--c-dark);
  box-shadow: var(--shadow);
}
.site-header .container { display: flex; align-items: center; gap: 2rem; }
.site-header .brand {
  display: flex; align-items: center; gap: .6rem;
  color: #fff; font-weight: 700; font-size: 1.05rem; letter-spacing: .02em;
  text-decoration: none;
}
.site-header .brand:hover { text-decoration: none; }
.site-header .brand .logo {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #60a5fa, #2563eb);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2 L4 14 a8 8 0 0 0 16 0 z' fill='black'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2 L4 14 a8 8 0 0 0 16 0 z' fill='black'/></svg>") center/contain no-repeat;
}
.site-header nav.main-nav { margin-left: auto; }
.site-header nav.main-nav ul {
  list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem;
}
.site-header nav.main-nav a {
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  text-decoration: none;
  padding: .4em 0;
  border-bottom: 2px solid transparent;
}
.site-header nav.main-nav a:hover,
.site-header nav.main-nav a.active {
  color: #fff;
  border-bottom-color: #60a5fa;
  text-decoration: none;
}
.nav-toggle {
  display: none;
  background: none; border: 0; color: #fff; font-size: 1.4rem; cursor: pointer;
}

/* ----- Hero --------------------------------------------------- */
.hero {
  position: relative;
  min-height: 620px;
  color: #fff;
  display: flex; align-items: center;
  background:
    linear-gradient(125deg, rgba(7,28,55,.78) 0%, rgba(10,37,64,.55) 55%, rgba(10,37,64,.25) 100%),
    url('/assets/img/hero-water.svg') center/cover no-repeat, var(--c-dark);
  overflow: hidden;
  padding: 7rem 0 4rem;
}
.hero::before {
  /* ondulation décorative en bas */
  content: '';
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 60px;
  background:
    radial-gradient(80% 100% at 50% 0%, var(--c-bg) 0, transparent 70%),
    var(--c-bg);
}
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; position: relative; z-index: 2; }
.hero h1 { color: #fff; }
.hero p.lead { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 540px; }
.hero .cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* Stats glass card */
.stats-card {
  background: rgba(255,255,255,.92);
  border-radius: var(--radius);
  padding: 1.4rem;
  color: var(--c-ink);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.5);
  backdrop-filter: blur(10px);
}
.stats-card .map-thumb {
  background: #eef4fb url('/assets/img/france-thumb.svg') center/contain no-repeat;
  border-radius: 10px;
  min-height: 220px;
}
.stats-card .stats-list { display: grid; gap: .65rem; }
.stat {
  display: flex; align-items: center; gap: .8rem;
  background: var(--c-bg-alt);
  border-radius: 10px;
  padding: .7rem .9rem;
}
.stat .ico {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--c-blue-l); color: var(--c-blue);
  display: grid; place-items: center; flex-shrink: 0;
}
.stat .ico.warn { background: #fef3c7; color: var(--c-amber); }
.stat .ico.bad  { background: #fee2e2; color: var(--c-red);   }
.stat .ico.ok   { background: #d1fae5; color: var(--c-green); }
.stat .label { font-size: .78rem; color: var(--c-ink-soft); display: block; line-height: 1.1; }
.stat .value { font-weight: 700; font-size: 1.15rem; }
.stat .unit  { font-size: .75rem; color: var(--c-ink-soft); margin-left: .15em; }

/* ----- Sections génériques ----------------------------------- */
section.block { padding: 4.5rem 0; }
section.block.alt { background: var(--c-bg-alt); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.section-head h2 { margin: 0; }
.section-head .more { color: var(--c-blue); font-weight: 600; }

/* ----- Parcours interactif (cycle) --------------------------- */
.parcours-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: stretch; }
.parcours-illu {
  background:
    linear-gradient(180deg, #cfe7f6 0%, #a8d4ed 100%);
  border-radius: var(--radius);
  min-height: 380px;
  position: relative;
  padding: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.parcours-illu .lbl {
  position: absolute;
  background: rgba(255,255,255,.92);
  padding: .35rem .55rem;
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  color: var(--c-ink);
}
.parcours-illu .lbl small { display: block; font-weight: 400; color: var(--c-ink-soft); }
.parcours-controls {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: var(--shadow-sm);
}
.parcours-controls h3 { font-size: 1rem; }
.field { margin: .9rem 0; }
.field label { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .9rem; }
.field input[type=range] { width: 100%; }
.radio-row label {
  display: inline-flex; align-items: center; gap: .4rem;
  margin-right: 1rem;
  font-weight: 500;
  cursor: pointer;
}

/* ----- Cards (articles / dossiers) --------------------------- */
.card-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-line);
  display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .cover {
  aspect-ratio: 16/9;
  background: var(--c-bg-alt) center/cover no-repeat;
}
.card .body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.card h3 { font-size: 1.1rem; margin: 0; }
.card p  { color: var(--c-ink-soft); font-size: .92rem; margin: 0; flex: 1; }
.card .tag {
  display: inline-block;
  background: var(--c-blue-l); color: var(--c-blue);
  padding: .2rem .65rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600;
  width: fit-content;
}
.card .tag.tag-amber { background: #fef3c7; color: var(--c-amber); }
.card .tag.tag-green { background: #d1fae5; color: var(--c-green); }
.card .btn { margin-top: auto; width: fit-content; padding: .55em 1em; font-size: .85rem; }

.dossier-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 1.25rem;
  min-height: 420px;
}
.dossier-grid .dossier-feat { grid-row: span 2; }
.dossier-grid .card .cover { aspect-ratio: auto; flex: 1; min-height: 110px; }
.dossier-grid .card { height: 100%; }
.dossier-feat .cover { min-height: 220px; }

/* ----- Footer ------------------------------------------------- */
.site-footer {
  background: #f6f9fd;
  border-top: 1px solid var(--c-line);
  padding: 3rem 0 2rem;
  color: var(--c-ink-soft);
  font-size: .92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.4fr;
  gap: 2rem;
}
.footer-grid h4 { font-size: .92rem; text-transform: uppercase; letter-spacing: .05em; color: var(--c-ink); margin-bottom: .8rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { margin-bottom: .35rem; }
.footer-brand .logo {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, #60a5fa, #2563eb);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2 L4 14 a8 8 0 0 0 16 0 z' fill='black'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2 L4 14 a8 8 0 0 0 16 0 z' fill='black'/></svg>") center/contain no-repeat;
  margin-bottom: .8rem;
}
.footer-brand .name { font-weight: 700; color: var(--c-ink); }
.social { display: flex; gap: .6rem; margin-top: .8rem; }
.social a {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--c-line);
  color: var(--c-ink-soft);
}
.social a:hover { color: var(--c-blue); border-color: var(--c-blue); text-decoration: none; }

.newsletter form { display: flex; gap: .5rem; margin-top: .5rem; }
.newsletter input {
  flex: 1;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  padding: .65em 1em;
  font: inherit;
}
.newsletter button { white-space: nowrap; }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-line);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: .82rem;
}

/* ----- Carte interactive -------------------------------------- */
.map-page { padding: 1.5rem 0 0; }
#map { width: 100%; height: 78vh; min-height: 500px; border-radius: var(--radius); box-shadow: var(--shadow); }

.map-side {
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.map-side h3 { margin-top: 0; }

/* ----- Page commune ------------------------------------------ */
.commune-hero {
  background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-dark-2) 100%);
  color: #fff; padding: 5rem 0 3rem;
}
.commune-hero h1 { color: #fff; margin: 0 0 .2em; }
.commune-hero .meta { color: rgba(255,255,255,.7); font-size: .95rem; }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 2rem 0; }
.kpi {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
}
.kpi .label { font-size: .85rem; color: var(--c-ink-soft); }
.kpi .value { font-size: 2rem; font-weight: 800; color: var(--c-ink); margin: .15rem 0; }
.kpi .delta { font-size: .85rem; }
.kpi.ok    { border-top: 4px solid var(--c-green); }
.kpi.warn  { border-top: 4px solid var(--c-amber); }
.kpi.bad   { border-top: 4px solid var(--c-red); }
.kpi.info  { border-top: 4px solid var(--c-blue); }

table.data {
  width: 100%; border-collapse: collapse; background: #fff;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm);
}
table.data th, table.data td {
  text-align: left; padding: .7rem 1rem;
  border-bottom: 1px solid var(--c-line);
  font-size: .92rem;
}
table.data th { background: var(--c-bg-alt); font-weight: 600; color: var(--c-ink-soft); }
table.data tbody tr:hover { background: #f8fbff; }
.badge { display: inline-block; padding: .15em .55em; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge.ok    { background: #d1fae5; color: var(--c-green); }
.badge.bad   { background: #fee2e2; color: var(--c-red); }
.badge.warn  { background: #fef3c7; color: var(--c-amber); }
.badge.muted { background: var(--c-bg-alt); color: var(--c-ink-soft); }

/* ----- Search ------------------------------------------------- */
.search-form { display: flex; gap: .5rem; margin: 1rem 0 2rem; }
.search-form input[type=search] {
  flex: 1; padding: .8em 1em;
  border: 1px solid var(--c-line); border-radius: 999px;
  font: inherit;
}
.search-form input[type=search]:focus {
  outline: none; border-color: var(--c-blue);
  box-shadow: 0 0 0 3px var(--c-blue-l);
}

/* ----- Admin -------------------------------------------------- */
body.admin { background: var(--c-bg-alt); }
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-side {
  background: var(--c-dark);
  color: #fff;
  padding: 1.5rem 1.2rem;
}
.admin-side .brand { color: #fff; font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: .6rem; margin-bottom: 2rem; text-decoration: none; }
.admin-side nav a {
  display: block;
  color: rgba(255,255,255,.78);
  padding: .6em .8em;
  border-radius: 8px;
  margin-bottom: .25rem;
  text-decoration: none;
  font-size: .92rem;
}
.admin-side nav a:hover, .admin-side nav a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { padding: 2rem; }
.admin-main h1 { font-size: 1.6rem; margin-bottom: 1rem; }
.admin-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-sm); margin-bottom: 1.5rem; }
.admin-form .field { margin-bottom: 1rem; }
.admin-form input[type=text],
.admin-form input[type=password],
.admin-form input[type=email],
.admin-form input[type=file],
.admin-form select,
.admin-form textarea {
  width: 100%;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: .65em .85em;
  font: inherit;
}
.admin-form input:focus, .admin-form select:focus, .admin-form textarea:focus {
  outline: none; border-color: var(--c-blue);
  box-shadow: 0 0 0 3px var(--c-blue-l);
}

.flash {
  padding: .9em 1.1em;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.flash.ok    { background: #ecfdf5; color: #065f46; border-color: #a7f3d0; }
.flash.err   { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.flash.warn  { background: #fffbeb; color: #92400e; border-color: #fde68a; }
.flash.info  { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }

/* Auth full-page (login) */
.auth-page { display: grid; place-items: center; min-height: 100vh; background: var(--c-dark); }
.auth-card {
  width: min(420px, 95vw);
  background: #fff; border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow-lg);
}
.auth-card h1 { font-size: 1.4rem; margin-bottom: .5rem; }
.auth-card .sub { color: var(--c-ink-soft); margin-bottom: 1.5rem; font-size: .92rem; }

/* ----- Responsive -------------------------------------------- */
@media (max-width: 920px) {
  .hero { min-height: 0; padding: 7rem 0 3rem; }
  .hero .container, .parcours-grid, .footer-grid { grid-template-columns: 1fr; }
  .stats-card { grid-template-columns: 1fr; }
  .stats-card .map-thumb { min-height: 160px; }
  .dossier-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .dossier-grid .dossier-feat { grid-row: span 1; grid-column: span 2; }
  .site-header nav.main-nav { display: none; }
  .site-header nav.main-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--c-dark); padding: 1rem; }
  .site-header nav.main-nav.open ul { flex-direction: column; gap: 0; }
  .site-header nav.main-nav.open a { display: block; padding: .6em 0; }
  .nav-toggle { display: block; margin-left: auto; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { padding: 1rem; }
  .admin-side nav { display: flex; gap: .25rem; flex-wrap: wrap; }
  .admin-main { padding: 1rem; }
}