/* =========================
   Mystique • Montagne • Aigle
   Palette Carnet de culture :
   #27374D #526D82 #9DB2BF #DDE6ED
   ========================= */

:root{
  --night:#27374D;
  --slate:#526D82;
  --mist:#9DB2BF;
  --moon:#DDE6ED;

  --bg:#0b1220;
  --panel: rgba(221,230,237,.07);
  --panel2: rgba(221,230,237,.05);
  --stroke: rgba(221,230,237,.16);
  --stroke2: rgba(221,230,237,.10);

  --text: var(--moon);
  --muted: rgba(221,230,237,.78);
  --muted2: rgba(221,230,237,.60);

  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 24px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(82,109,130,.30), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(39,55,77,.55), transparent 60%),
    radial-gradient(600px 400px at 50% 0%, rgba(221,230,237,.08), transparent 55%),
    linear-gradient(180deg, #070b14 0%, var(--bg) 30%, #070b14 100%);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.5;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }

.container{
  width:min(1100px, calc(100% - 32px));
  margin:0 auto;
}

.muted{ color:var(--muted); }
.tiny{ font-size:.9rem; }

/* Typo mystique */
h1,h2,h3, .brand__text{
  font-family:"Cinzel", serif;
  letter-spacing:.02em;
}
h1{ line-height:1.08; }

/* Boutons sobres */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(221,230,237,.25);
  background: rgba(221,230,237,.10);
  color: var(--text);
  font-weight:700;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
  backdrop-filter: blur(10px);
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(221,230,237,.14);
  border-color: rgba(221,230,237,.35);
  text-decoration:none;
}
.btn:active{ transform: translateY(0); }
.btn--ghost{
  background: transparent;
  border-color: rgba(221,230,237,.18);
}
.btn--small{ padding:10px 12px; border-radius:12px; }
.btn--full{ width:100%; }

/* Badge */
.badge{
  display:inline-block;
  padding:7px 12px;
  border:1px solid rgba(221,230,237,.18);
  border-radius:999px;
  background: rgba(221,230,237,.06);
  color: var(--muted);
  font-size:.9rem;
  backdrop-filter: blur(10px);
}

/* Header */
.header{
  position:sticky;
  top:0;
  z-index:30;
  background: rgba(7,11,20,.65);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(221,230,237,.10);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
}
.brand__logo{
  width:42px;
  height:42px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background: rgba(221,230,237,.08);
  border:1px solid rgba(221,230,237,.14);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  font-size:.9rem;
}

.nav{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav a{ color: var(--text); font-weight:650; opacity:.92; }
.nav a:hover{ opacity:1; }

.burger{
  display:none;
  width:44px; height:44px;
  border:1px solid rgba(221,230,237,.14);
  background: rgba(221,230,237,.06);
  border-radius:14px;
}
.burger span{
  display:block;
  width:18px; height:2px;
  background: rgba(221,230,237,.85);
  margin:4px auto;
}

.mobile-nav{
  display:none;
  border-top:1px solid rgba(221,230,237,.10);
  padding:12px 16px 16px;
  background: rgba(7,11,20,.75);
}
.mobile-nav a{
  display:block;
  padding:10px 0;
  font-weight:700;
}
.mobile-nav.is-open{ display:block; }

/* HERO - ambiance montagne + brume */
.hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 28px;
}

/* Décor SVG */
.hero-decor{
  position:absolute;
  inset:0;
  pointer-events:none;
}
.hero-mountains{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  width:100%;
  height: 46%;
  filter: blur(0px);
  opacity: .95;
}

/* Brume (voiles) */
.hero::before{
  content:"";
  position:absolute;
  inset:-40px;
  background:
    radial-gradient(500px 280px at 25% 20%, rgba(221,230,237,.10), transparent 60%),
    radial-gradient(520px 300px at 70% 30%, rgba(157,178,191,.10), transparent 60%),
    linear-gradient(180deg, rgba(7,11,20,.0) 0%, rgba(7,11,20,.55) 75%, rgba(7,11,20,.9) 100%);
  filter: blur(0px);
  opacity: .9;
}



/* Layout hero */
.hero__grid{
  position:relative; /* au-dessus du décor */
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items:start;
}

.hero h1{
  font-size: clamp(2.1rem, 2.9vw, 3.2rem);
  margin: 12px 0 12px;
}
.lead{
  font-size:1.08rem;
  margin: 0 0 18px;
  color: var(--muted);
}

.actions{ display:flex; gap:12px; flex-wrap:wrap; }

.stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.stat{
  border: 1px solid var(--stroke2);
  background: var(--panel2);
  border-radius: var(--radius);
  padding: 12px;
  backdrop-filter: blur(10px);
}
.stat strong{
  font-size:1.2rem;
  display:block;
}
.stat span{ color: var(--muted2); }

/* Cartes style “glass” */
.hero__card,
.card,
.price,
.how,
.faq details,
.form{
  border: 1px solid var(--stroke);
  background: var(--panel);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero__card{
  padding: 18px;
}
.hero__card h2{ margin: 0 0 6px; }
.checklist{ padding-left: 18px; }
.checklist li{ margin: 8px 0; color: var(--muted); }
.hero__card a{ color: var(--moon); }

/* Sections */
.section{ padding: 56px 0; }
.section--alt{
  background:
    radial-gradient(800px 500px at 20% 0%, rgba(82,109,130,.20), transparent 60%),
    linear-gradient(180deg, rgba(221,230,237,.03), rgba(221,230,237,.01));
  border-top: 1px solid rgba(221,230,237,.06);
  border-bottom: 1px solid rgba(221,230,237,.06);
}

.section__head{ margin-bottom: 18px; }
.section__head h2{ margin: 0 0 6px; font-size: 1.9rem; }
.section__head p{ margin: 0; }

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{ padding: 16px; }
.card h3{ margin-top: 0; }
.bullets{ padding-left: 18px; }
.bullets li{ color: var(--muted); }

.how{
  margin-top: 18px;
  padding: 16px;
}
.steps{ margin: 8px 0 0; }
.steps li{ color: var(--muted); }

/* Pricing */
.pricing{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.price{ padding: 16px; }
.price__value{ font-size: 1.1rem; margin: 0; }
.price__value strong{
  color: var(--moon);
  text-shadow: 0 0 18px rgba(221,230,237,.12);
}

.price--highlight{
  border-color: rgba(221,230,237,.28);
  background: rgba(221,230,237,.09);
}


/* FAQ */
.faq details{
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq summary{
  cursor:pointer;
  font-weight: 800;
}
.faq p{ color: var(--muted); }

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items:start;
}

.contact__chips{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.chip{
  border: 1px solid rgba(221,230,237,.16);
  background: rgba(221,230,237,.05);
  padding: 8px 10px;
  border-radius: 999px;
  font-weight: 650;
  color: rgba(221,230,237,.78);
}

.form{ padding: 16px; }
label{
  display:block;
  font-weight: 800;
  margin-bottom: 12px;
  color: rgba(221,230,237,.90);
}
input, select, textarea{
  width:100%;
  margin-top: 6px;
  padding: 12px 12px;
  border: 1px solid rgba(221,230,237,.18);
  border-radius: 14px;
  background: rgba(7,11,20,.45);
  color: var(--text);
  font: inherit;
}
input::placeholder, textarea::placeholder{ color: rgba(221,230,237,.45); }
input:focus, select:focus, textarea:focus{
  outline: 2px solid rgba(221,230,237,.25);
  outline-offset: 2px;
}
.error{
  display:block;
  margin-top: 6px;
  color: #ffb4b4;
  min-height: 1.2em;
  font-weight: 650;
}

/* Footer */
.footer{
  border-top: 1px solid rgba(221,230,237,.10);
  padding: 18px 0;
  background:
    radial-gradient(800px 500px at 20% 0%, rgba(82,109,130,.20), transparent 60%),
    linear-gradient(180deg, rgba(221,230,237,.03), rgba(221,230,237,.01));
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.footer__links{ display:flex; gap: 12px; }
.footer__links a{
  color: rgba(221,230,237,.85);
}
.footer .tiny{
  color: rgba(221,230,237,.85);
}
/* Responsive */
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .burger{ display:inline-block; }
  .hero-seal{ top: 18px; right: 18px; transform: scale(.95); }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto; transition:none !important; }
}

.benefit-badge{
  display:flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(221,230,237,.22);
  background: rgba(221,230,237,.06);
  color: rgba(221,230,237,.82);
  font-weight: 700;
  font-size: .9rem;
  backdrop-filter: blur(10px);
}
.benefit-badge strong{
  color: #f83b3b;
  text-shadow: 0 0 18px rgba(221,230,237,.12);
}
.benefit-wrap{
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

.socials{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.social-card{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(221,230,237,.18);
  background: rgba(221,230,237,.06);
  backdrop-filter: blur(10px);
  text-decoration: none;
  color: #DDE6ED;
  transition: transform .2s ease, background .2s ease;
}

.social-card:hover{
  transform: translateY(-3px);
  background: rgba(221,230,237,.10);
}

.social-icon{
  font-size: 1.4rem;
}

.social-name{
  font-weight: 700;
  letter-spacing: .04em;
}

.social-desc{
  font-size: .85rem;
}
.social-card{
  text-decoration: none;
}

.social-card:hover,
.social-card:focus{
  text-decoration: none;
}

.social-card:focus-visible{
  outline: 2px solid rgba(221,230,237,.35);
  outline-offset: 4px;
}

.footer::before{
  content:"";
  display:block;
  height:1px;
  margin-bottom:18px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(221,230,237,.35),
    transparent
  );
}

/* =========================
   Language Gate (Popup)
   ========================= */

.lang-gate{
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(7,11,20,.85);
  backdrop-filter: blur(10px);
}

.lang-gate.is-visible{
  display: flex;
}

.lang-gate__card{
  width: min(420px, 90%);
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(221,230,237,.18);
  background: rgba(221,230,237,.08);
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  text-align: center;
}

.lang-gate__grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.lang-btn{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 10px;
  border-radius: 16px;
  border: 1px solid rgba(221,230,237,.20);
  background: rgba(221,230,237,.06);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}

.lang-btn:hover{
  transform: translateY(-2px);
  background: rgba(221,230,237,.12);
}

/* =========================
   Lang indicator (header)
   ========================= */
.lang-indicator{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:36px;
  padding:0 10px;
  border-radius:999px;
  border:1px solid rgba(221,230,237,.18);
  background: rgba(221,230,237,.06);
  color: rgba(221,230,237,.92);
  font-weight:800;
  letter-spacing:.08em;
  backdrop-filter: blur(10px);
}

/* =========================
   Language Gate (Popup)
   ========================= */
.lang-gate{
  position:fixed;
  inset:0;
  z-index:100;
  display:none;
  align-items:center;
  justify-content:center;
  background: rgba(7,11,20,.85);
  backdrop-filter: blur(10px);
}
.lang-gate.is-visible{ display:flex; }

.lang-gate__card{
  width:min(520px, 92%);
  padding:24px;
  border-radius:24px;
  border:1px solid rgba(221,230,237,.18);
  background: rgba(221,230,237,.08);
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  text-align:center;
}
.lang-gate__grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:16px;
}
.lang-btn{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:14px 10px;
  border-radius:16px;
  border:1px solid rgba(221,230,237,.20);
  background: rgba(221,230,237,.06);
  color: var(--text);
  font-weight:800;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.lang-btn:hover{
  transform: translateY(-2px);
  background: rgba(221,230,237,.12);
  border-color: rgba(221,230,237,.30);
}

.btn--primary {
  background: rgba(221,230,237,.16);
  border-color: rgba(221,230,237,.40);
}

.btn--primary:hover {
  background: rgba(221,230,237,.22);
}