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

@font-face {
  font-family: 'Amsterdam Four';
  src: url('assets/fonts/AmsterdamFour.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Agrandir Grand';
  src: url('assets/fonts/AgrandirGrand-Bold.otf') format('opentype');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* ====== Base ====== */
:root {
  --ease-smooth: cubic-bezier(.22,.61,.36,1);
  --dur-fast: 180ms;
  --dur-med: 320ms;
  --brand: #1d4e56;
  --brand-2: #358e9d;
  --line: #e0e0e0;
}
html { scroll-behavior: smooth; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #fff;
  color: var(--brand);
  margin: 0;
  padding: 0;
  opacity: 0;
  transition: opacity 400ms var(--ease-smooth);
}
body.is-mounted { opacity: 1; }
img, video { height: auto; max-width: 100%; }

/* ====== Header / Nav ====== */
header { background: #fff; border-bottom: 1px solid var(--line); }
@supports (position: sticky) { header { position: sticky; top: 0; z-index: 100; } }

.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 12px 20px;
}
.logo img { max-width: 110px; height: auto; }

.nav-toggle {
  display: none; background: transparent; border: 0; padding: 10px; cursor: pointer;
}
.nav-toggle-bar {
  display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--brand);
  transition: transform .25s ease, opacity .25s ease;
}

.nav-list { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
.site-nav .nav-list a {
  color: var(--brand); text-decoration: none;
  font-family: 'Agrandir Grand', sans-serif; font-weight: bold; font-size: 18px;
  position: relative; transition: color var(--dur-fast) var(--ease-smooth);
}
.site-nav .nav-list a:hover { color: var(--brand-2); }
.site-nav .nav-list a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 2px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-med) var(--ease-smooth); opacity: .25;
}
.site-nav .nav-list a:hover::after, .site-nav .nav-list a:focus::after { transform: scaleX(1); }

/* ====== Mobile nav ====== */
@media (max-width: 768px) {
  .logo img { max-width: 90px; }
  .nav-toggle { display: inline-block; }
  .nav-list {
    position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; gap: 8px;
    background: #fff; padding: 12px 16px; border-bottom: 1px solid #e9eef0;
    box-shadow: 0 8px 20px rgba(0,0,0,.06); z-index: 200; /* au-dessus du contenu */
  }
  .nav-list.is-open { display: flex; }
  .site-nav .nav-list a { display: block; padding: 12px 8px; font-size: 16px; }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open .nav-toggle-bar:nth-child(2){ opacity: 0; }
  .nav-toggle.is-open .nav-toggle-bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

/* ====== Hero / bannières ====== */
.banner {
  width: 100%; background: #eaf3f8; padding: 20px 0; text-align: center;
  border-top: 1px solid #c5d1d8; border-bottom: 1px solid #c5d1d8;
}
.banner h1 {
  font-family: 'Amsterdam Four', cursive; font-size: 2.5rem; color: var(--brand);
  margin: 0; font-weight: normal;
}
.banner h1 em { font-style: italic; }
.banner h1 strong { font-weight: bold; }

.hero {
  width: 100%; height: 150px; background: #f8f9fa; color: var(--brand);
  display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center;
  border-bottom: 1px solid var(--line);
}
.hero h1 { font-family: 'Amsterdam Four', cursive; font-size: 2rem; margin-bottom: 5px; }
.hero p  { font-size: 1.1rem; opacity: .8; }

/* ====== Boutons ====== */
.btn {
  padding: 10px 18px; background: transparent; color: var(--brand); border-radius: 5px;
  font-family: 'Agrandir Grand', sans-serif; font-weight: bold; font-size: 1rem;
  border: 1px solid var(--brand);
  transition: transform var(--dur-fast) var(--ease-smooth),
              box-shadow var(--dur-fast) var(--ease-smooth),
              background-color var(--dur-fast) var(--ease-smooth),
              color var(--dur-fast) var(--ease-smooth),
              border-color var(--dur-fast) var(--ease-smooth);
  margin-top: 10px; will-change: transform;
}
.btn:hover, .btn:focus {
  background: var(--brand); color: #fff; transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
}

/* ====== Sections / contenus ====== */
.content { max-width: 900px; margin: 50px auto; text-align: center; padding: 30px; }
.content h2 { font-family: 'Amsterdam Four', cursive; font-size: 2.3rem; color: var(--brand); margin-bottom: 10px; }
.content p  { font-size: 1.1rem; color: #444; opacity: .9; }

.container { max-width: 900px; margin: 50px auto; padding: 0 40px; text-align: justify; }

.about { max-width: 760px; margin: 0 auto; line-height: 1.6; padding: 0 40px; text-align: justify; }
.about p, .about li { text-align: justify !important; text-justify: inter-word; hyphens: auto; -webkit-hyphens: auto; -ms-hyphens: auto; }
.about ul { padding-left: 1.1rem; margin: .75rem 0; }
.about li { margin-bottom: .4rem; }
.about .btn {
  display: block; width: fit-content; margin: 20px auto; padding: 12px 20px;
  background: var(--brand); color: #fff; font-size: 1.2rem; border-radius: 8px; text-decoration: none;
  transition: background var(--dur-fast) var(--ease-smooth);
}
.about .btn:hover { background: var(--brand-2); }

/* ====== Video ====== */
.video-container { width: 100%; max-width: 800px; margin: 40px auto; text-align: center; }
.video-container video { width: 70%; height: auto; border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,.1); object-fit: cover; }

/* ====== Features ====== */
.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px; padding: 40px 20px; max-width: 1200px; margin: 0 auto;
}
.feature-box {
  background: url('assets/images/nuage.png') no-repeat center/cover;
  border: 2px solid var(--brand); border-radius: 20px; padding: 20px; text-align: center;
  font-size: 1.1rem; color: var(--brand); box-shadow: 0 4px 12px rgba(0,0,0,.1);
  transition: transform var(--dur-med) var(--ease-smooth), box-shadow var(--dur-med) var(--ease-smooth);
}
.feature-box:hover { transform: scale(1.05); box-shadow: 0 12px 28px rgba(0,0,0,.12); }

/* ====== Formulaire ====== */
form {
  max-width: 500px; margin: 40px auto; padding: 20px; background: #fff; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08); border: 1px solid var(--line);
}
form input, form textarea {
  width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ccc; border-radius: 5px;
  transition: box-shadow var(--dur-fast) var(--ease-smooth), border-color var(--dur-fast) var(--ease-smooth);
}
form input:focus, form textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(29,78,86,.15); }
form button {
  width: 100%; background: var(--brand); color: #fff; padding: 12px; border: none; font-size: 1rem; cursor: pointer;
  border-radius: 5px; transition: background var(--dur-fast) var(--ease-smooth);
  font-family: 'Agrandir Grand', sans-serif; font-weight: bold;
}
form button:hover { background: var(--brand-2); }

/* ====== FAQ ====== */
.faq-title { text-align: center; margin: 0 0 16px 0; }
.faq-wrap {
  max-width: 900px; margin: 0 auto; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff;
}
.faq-row { border-bottom: 1px solid #eaeaea; }
.faq-row:last-child { border-bottom: 0; }
.faq-toggle {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 18px; background: transparent; border: 0; cursor: pointer; text-align: left; font: inherit;
}
.faq-toggle::after { content: "+"; line-height: 1; opacity: .7; }
.faq-panel {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows 300ms; padding: 0 18px;
}
.faq-panel > * { overflow: hidden; }
.faq-panel p { margin: 0 0 16px 0; }
.faq-toggle[aria-expanded="true"]::after { content: "×"; opacity: .9; }
.faq-toggle[aria-expanded="true"] + .faq-panel { grid-template-rows: 1fr; }
.faq-toggle:focus { outline: 2px solid rgba(29,78,86,.35); outline-offset: -2px; }

/* ====== Footer ====== */
footer { background: #f8f9fa; color: var(--brand); padding: 15px; text-align: center; border-top: 1px solid var(--line); }
.site-footer { margin-top: 48px; border-top: 1px solid rgba(0,0,0,.08); background: #fff; text-align: initial !important; }
.site-footer .footer-inner {
  max-width: 1200px; width: 100%; margin: 0 auto; padding: 18px 20px; display: flex; align-items: center;
}
.site-footer .footer-brand { margin: 0; font-size: .9rem; color: #6b7280; }
.site-footer .footer-links { margin-left: auto; display: inline-flex; align-items: center; gap: 10px; font-size: .9rem; }
.site-footer .footer-links a { color: #6b7280; text-decoration: none; transition: color var(--dur-fast) var(--ease-smooth), opacity var(--dur-fast) var(--ease-smooth); }
.site-footer .footer-links a:hover { text-decoration: underline; color: #374151; opacity: .9; }
.site-footer .sep { color: #d1d5db; }

/* ====== Effets reveal ====== */
.reveal { opacity: 0; transform: translateY(14px);
  transition: opacity var(--dur-med) var(--ease-smooth), transform var(--dur-med) var(--ease-smooth); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }