/* ============================================================
   La Voulte & Alentours — Portail communautaire
   Design system : moderne épuré, accessible, responsive
   ============================================================ */

:root {
  --bg: #f5f2ec;            /* crème ardéchoise */
  --bg-elev: #ffffff;
  --bg-dark: #1c2a23;       /* vert profond ardoise */
  --text: #1c2a23;
  --text-soft: #4f5d57;
  --muted: #8a9690;
  --border: #d8d2c4;
  --primary: #5a7a4e;       /* vert mousse */
  --primary-dark: #3e5a35;
  --accent: #c2682b;        /* ocre brûlée */
  --accent-soft: #e8d4a8;   /* sable clair */
  --danger: #b3261e;
  --success: #4a7c3a;
  --fb: #1877f2;

  --radius: 6px;
  --radius-sm: 4px;
  --shadow-sm: 0 1px 0 rgba(28,42,35,.04);
  --shadow: 0 2px 8px rgba(28,42,35,.06);
  --shadow-lg: 0 8px 24px rgba(28,42,35,.10);

  --container: 1140px;
  --gap: 24px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Georgia", "Iowan Old Style", "Cambria", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Bandeau non-officiel ===== */
.notice-bar {
  background: var(--bg-dark);
  color: var(--accent-soft);
  font-size: 12.5px;
  text-align: center;
  padding: 7px 16px;
  letter-spacing: .2px;
}
.notice-bar strong { color: #fff; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 44px; width: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: var(--text); padding: 8px 14px; border-radius: 999px;
  font-weight: 500; font-size: 15px; transition: background .15s;
}
.nav a:hover { background: var(--bg); text-decoration: none; }
.nav a.is-active { background: var(--bg-dark); color: #fff; }
.nav .cta-fb {
  background: var(--fb); color: #fff !important;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px; font-weight: 600;
}
.nav .cta-fb:hover { background: #145dbf; text-decoration: none; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  padding: 8px; border-radius: 8px;
}
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 12px 16px; gap: 4px;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .15s, transform .15s;
  }
  .nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav a { padding: 12px 14px; }
}

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 64px 0 72px;
}
.hero-photo {
  position: relative; padding: 0; overflow: hidden;
  min-height: 520px; color: #fff;
  background: #0a2540;
}
.hero-photo .bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('img/lavoulte-panorama.jpg');
  background-size: cover; background-position: center 40%;
  filter: saturate(1.05) contrast(1.02);
}
.hero-photo .bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(28,42,35,.55) 0%, rgba(28,42,35,.82) 70%, rgba(28,42,35,.95) 100%),
    linear-gradient(90deg, rgba(28,42,35,.75) 0%, rgba(28,42,35,.30) 65%, rgba(28,42,35,.40) 100%);
}
.hero-photo .container { position: relative; z-index: 1; padding-top: 72px; padding-bottom: 84px; }
.hero-photo .eyebrow {
  background: transparent;
  color: var(--accent-soft);
  border: 0; border-bottom: 1px solid var(--accent-soft);
  padding: 0 0 6px;
}
.hero-photo h1 { color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.25); font-weight: 400; }
.hero-photo h1 .accent { color: var(--accent-soft); font-style: italic; }
.hero-photo .lead {
  color: #fff;
  text-shadow: 0 1px 6px rgba(0,0,0,.4);
  font-weight: 400;
}
.hero-photo .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
}
.hero-photo .btn-ghost:hover { background: rgba(255,255,255,.2); }
.hero-photo .hero-card {
  background: var(--bg);
  color: var(--text);
  border: 0;
  border-radius: 0;
  border-top: 3px solid var(--accent);
}
.hero-photo .photo-credit {
  position: absolute; bottom: 8px; right: 12px; z-index: 2;
  font-size: 11px; color: rgba(255,255,255,.7); letter-spacing: .3px;
}
.hero-photo .photo-credit a { color: rgba(255,255,255,.85); }
.hero-grid {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: 56px 0 64px; } }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent); background: transparent;
  padding: 0 0 8px; border-bottom: 1px solid var(--accent);
  margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.2vw, 60px); line-height: 1.08;
  letter-spacing: -.5px; margin: 0 0 20px; font-weight: 400;
}
.hero h1 .accent { color: var(--accent); font-style: italic; }
.hero p.lead {
  font-size: clamp(17px, 1.6vw, 20px); color: var(--text-soft);
  max-width: 640px; margin: 0 0 28px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 2px;
  font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--bg-dark); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
/* Bouton FB volontairement reconnaissable mais sobre */
.btn-fb { background: var(--bg-dark); color: #fff; }
.btn-fb:hover { background: var(--text); }
.btn-fb svg { color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--text); }
.btn-ghost:hover { background: var(--text); color: #fff; }

.hero-card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--border); padding: 22px;
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { margin: 0 0 4px; font-size: 16px; }
.hero-card .meta { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hero-stat { background: var(--bg); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.hero-stat b { display: block; font-size: 22px; font-family: var(--font-display); }
.hero-stat span { font-size: 12px; color: var(--text-soft); }

/* ===== Sections ===== */
section.block { padding: 64px 0; }
section.block.alt { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 760px; margin: 0 0 36px; text-align: left; }
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.2vw, 36px);
  margin: 0 0 10px; letter-spacing: -.3px; font-weight: 400;
}
.section-head p { color: var(--text-soft); margin: 0; font-size: 17px; max-width: 580px; }

.grid { display: grid; gap: var(--gap); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 880px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 0; padding: 24px;
  transition: border-color .15s;
}
.card:hover { border-color: var(--text); }
.card .icon {
  width: 36px; height: 36px;
  background: transparent; color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px; border-radius: 0;
}
.card h3 { margin: 0 0 6px; font-size: 18px; font-weight: 600; }
.card p { margin: 0; color: var(--text-soft); font-size: 15px; line-height: 1.55; }
.card .more { display: inline-block; margin-top: 14px; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--text); padding-bottom: 1px; }
.card .more:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

/* ===== CTA Facebook block ===== */
.fb-block {
  background: var(--bg-dark);
  color: #fff; border-radius: 0; padding: 36px 40px;
  display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center;
  border-left: 4px solid var(--accent);
}
.fb-block h3 { margin: 0 0 6px; font-size: 24px; }
.fb-block p { margin: 0; opacity: .9; }
.fb-block .btn { background: #fff; color: var(--fb); }
.fb-block .btn:hover { background: #f0f6ff; }
@media (max-width: 720px) { .fb-block { grid-template-columns: 1fr; text-align: center; } }

/* ===== Forms ===== */
.form-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.form-card h3 { margin: 0 0 6px; font-size: 20px; }
.form-card .hint { color: var(--text-soft); font-size: 14px; margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.field input, .field textarea, .field select {
  width: 100%; padding: 11px 14px; font: inherit;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: var(--text); transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,111,235,.18);
}
.field textarea { min-height: 110px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }
.checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-soft); }
.checkbox input { width: auto; margin-top: 3px; }

.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 6px; }
.form-success {
  background: #ecfdf5; color: #065f46; padding: 12px 14px;
  border-radius: var(--radius-sm); font-size: 14px; margin-top: 12px;
  display: none;
}
.form-success.show { display: block; }

/* ===== Submissions list (local) ===== */
.submissions { margin-top: 28px; }
.submissions h4 { margin: 0 0 12px; font-size: 15px; color: var(--text-soft); text-transform: uppercase; letter-spacing: 1px; }
.submission {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 10px;
}
.submission .meta { font-size: 12px; color: var(--muted); margin-bottom: 6px; display: flex; gap: 8px; flex-wrap: wrap; }
.submission .tag {
  background: var(--bg); border-radius: 999px; padding: 2px 8px;
  font-weight: 600; color: var(--text);
}
.submission .tag.danger { background: #fee2e2; color: #991b1b; }
.submission .tag.idea { background: #dbeafe; color: #1e40af; }
.submission .tag.help { background: #dcfce7; color: #166534; }
.submission p { margin: 0; }

.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip {
  background: #fff; border: 1px solid var(--border); padding: 6px 12px;
  border-radius: 999px; font-size: 13px; cursor: pointer; color: var(--text);
}
.chip.is-active { background: var(--bg-dark); color: #fff; border-color: var(--bg-dark); }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark); color: #cfd8e3; padding: 56px 0 28px; margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; margin: 0 0 14px; }
.site-footer a { color: #cfd8e3; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 36px; padding-top: 20px;
  font-size: 13px; color: #94a3b8; text-align: center;
}
.footer-brand p { margin: 12px 0 0; font-size: 14px; opacity: .8; }
.footer-brand { padding-top: 0; }

/* ===== Utilities ===== */
.center { text-align: center; }
.muted { color: var(--text-soft); }
.divider { height: 1px; background: var(--border); margin: 32px 0; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary-dark); }

/* Anchor offset for sticky header */
:target { scroll-margin-top: 90px; }