/* ============================================================
   Les Amis de Luppach — direction artistique
   Sundgau alsacien chaleureux : terre-cuite / crème / vert doux
   Grande typographie humaine, adaptée public 60+
   ============================================================ */

:root{
  --ink:#2a2418;
  --ink-2:#3d3323;
  --paper:#faf5ec;
  --paper-2:#f2e8d5;
  --cream:#efe1c4;
  --terracotta:#c15731;
  --terracotta-d:#933d1e;
  --terracotta-l:#e17c50;
  --moss:#7a8f52;
  --moss-d:#556339;
  --olive:#3d4a2a;
  --brown:#8b5a3c;
  --gold:#c99a4b;
  --line:#3a2f1e;
  --muted:#6b5d47;
  --border:rgba(42,36,24,.14);
  --border-dark:rgba(250,245,236,.22);
  --shadow:0 30px 80px -30px rgba(42,36,24,.35);
  --shadow-sm:0 14px 32px -14px rgba(42,36,24,.28);
  --maxw:1240px;
  --gutter:clamp(1.25rem,4vw,2.5rem);
  --radius:16px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--line);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.65;
  font-size:17.5px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--terracotta-d);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--terracotta)}

/* ---------- Typography ---------- */
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:500;
  color:var(--ink);
  letter-spacing:-.015em;
  line-height:1.12;
  margin:0 0 .6em;
}
h1{font-size:clamp(2.5rem,5.8vw,4.8rem);font-weight:400;letter-spacing:-.028em}
h2{font-size:clamp(2rem,3.6vw,3.2rem);font-weight:400;letter-spacing:-.02em}
h3{font-size:clamp(1.35rem,2vw,1.7rem);font-weight:500}
h4{
  font-size:.9rem;font-weight:700;font-family:var(--sans);
  text-transform:uppercase;letter-spacing:.18em;color:var(--terracotta-d);
  margin:0 0 .8em;
}
p{margin:0 0 1em}
.lead{font-size:clamp(1.15rem,1.5vw,1.35rem);color:var(--ink-2);max-width:62ch;line-height:1.55}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
section{padding:clamp(4rem,7.5vw,7.5rem) 0}
.grid{display:grid;gap:clamp(1.5rem,2.8vw,2.2rem)}
.cols-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.cols-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.cols-4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media(max-width:820px){.split{grid-template-columns:1fr}}

/* ---------- Eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.7rem;
  font-family:var(--sans);font-size:.82rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.22em;
  color:var(--terracotta-d);margin-bottom:1.2rem;
}
.eyebrow::before{content:"";display:inline-block;width:32px;height:2px;background:var(--terracotta)}
.dark .eyebrow{color:var(--gold)}
.dark .eyebrow::before{background:var(--gold)}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(250,245,236,.94);
  backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:1rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
}
.brand{display:flex;align-items:center;gap:.9rem;font-family:var(--serif);color:var(--ink);font-weight:500}
.brand svg{width:46px;height:46px;flex-shrink:0}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt strong{font-size:1.08rem;letter-spacing:-.01em}
.brand-txt span{font-size:.72rem;font-family:var(--sans);text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:.15rem}

.nav-links{display:flex;align-items:center;gap:.2rem;font-size:.95rem}
.nav-links a{
  color:var(--ink);padding:.6rem .95rem;border-radius:8px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:var(--paper-2);color:var(--ink)}
.nav-links a.active{color:var(--terracotta-d);background:var(--paper-2)}
.nav-cta{
  padding:.7rem 1.2rem !important;background:var(--terracotta);color:var(--paper) !important;
  border-radius:999px !important;margin-left:.5rem;
}
.nav-cta:hover{background:var(--terracotta-d) !important;color:var(--paper) !important}

.burger{display:none;background:none;border:0;padding:.4rem;cursor:pointer;color:var(--ink)}
.burger svg{width:28px;height:28px}
@media(max-width:1020px){
  .nav-links{
    position:fixed;inset:74px 0 auto 0;background:var(--paper);
    flex-direction:column;align-items:stretch;padding:1rem var(--gutter) 1.5rem;
    gap:.15rem;border-bottom:1px solid var(--border);font-size:1.05rem;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s ease;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:.95rem 1rem}
  .nav-cta{margin:.6rem 0 0;text-align:center}
  .burger{display:inline-flex}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:1rem 1.75rem;border-radius:999px;
  font-family:var(--sans);font-weight:600;font-size:1rem;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-decoration:none;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--terracotta);color:var(--paper);box-shadow:0 12px 24px -12px rgba(193,87,49,.55)}
.btn-primary:hover{background:var(--terracotta-d);color:var(--paper);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(193,87,49,.65)}
.btn-ghost{background:transparent;color:var(--paper);border-color:var(--paper)}
.btn-ghost:hover{background:var(--paper);color:var(--ink)}
.btn-outline{background:transparent;color:var(--terracotta-d);border-color:var(--terracotta)}
.btn-outline:hover{background:var(--terracotta);color:var(--paper)}
.btn-moss{background:var(--moss);color:var(--paper)}
.btn-moss:hover{background:var(--moss-d);color:var(--paper);transform:translateY(-2px)}

.actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}

/* ---------- Hero (accueil) ---------- */
.hero{
  position:relative;
  min-height:min(92vh,900px);
  color:var(--paper);
  display:flex;align-items:center;
  overflow:hidden;isolation:isolate;
  background:#1c1810;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url("../img/balade-luppach-2.jpg") center/cover no-repeat;
  transform:scale(1.08);
  filter:saturate(1.05);
  animation:kenBurns 22s ease-in-out infinite alternate;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(135deg,rgba(28,24,16,.72) 0%,rgba(28,24,16,.4) 40%,rgba(147,61,30,.45) 100%),
    linear-gradient(180deg,rgba(28,24,16,.35) 0%,rgba(28,24,16,.65) 100%);
}
.hero-grain{
  position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(250,245,236,.06) 1px,transparent 1px);
  background-size:3px 3px;
}
.hero .wrap{position:relative;z-index:3;padding-top:5rem;padding-bottom:5rem}
.hero h1{color:var(--paper);max-width:19ch}
.hero h1 em{font-style:italic;color:var(--gold);font-weight:400;display:inline-block}
.hero .lead{color:rgba(250,245,236,.9);font-size:clamp(1.2rem,1.55vw,1.45rem);max-width:54ch;margin-top:1.5rem}
.hero .eyebrow{color:var(--gold)}
.hero .eyebrow::before{background:var(--gold)}

.hero-stat{
  position:absolute;bottom:2.2rem;right:var(--gutter);z-index:3;
  padding:1.4rem 1.8rem;border:1px solid var(--border-dark);
  background:rgba(28,24,16,.55);backdrop-filter:blur(10px);border-radius:14px;
  max-width:340px;color:var(--paper);
}
.hero-stat .num{font-family:var(--serif);font-size:2.8rem;color:var(--gold);line-height:1;display:block;font-weight:500}
.hero-stat .lbl{font-size:.82rem;text-transform:uppercase;letter-spacing:.18em;color:rgba(250,245,236,.78);margin-top:.5rem;display:block;line-height:1.4}
@media(max-width:820px){.hero-stat{position:static;margin-top:2.5rem;max-width:none}}

@keyframes kenBurns{
  0%{transform:scale(1.08) translate(0,0)}
  100%{transform:scale(1.15) translate(-1.5%,-1%)}
}

/* ---------- Sub-hero (autres pages) ---------- */
.subhero{
  position:relative;
  padding:clamp(4.5rem,9vw,8rem) 0 clamp(3rem,6vw,5rem);
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 100%);
  overflow:hidden;
}
.subhero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse at 10% 20%,rgba(193,87,49,.12) 0%,transparent 50%),
             radial-gradient(ellipse at 90% 80%,rgba(122,143,82,.14) 0%,transparent 55%);
}
.subhero .wrap{position:relative;z-index:1}
.subhero h1{max-width:22ch}
.subhero .lead{margin-top:1rem}

/* ---------- Cards ---------- */
.card{
  background:var(--paper);border:1px solid var(--border);
  border-radius:var(--radius);padding:2rem 1.9rem;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--terracotta-l)}
.card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--paper-2);color:var(--terracotta-d);
  font-family:var(--serif);font-size:1.35rem;font-weight:500;margin-bottom:1rem;
}
.card h3{margin-bottom:.5rem}
.card p{color:var(--muted);margin-bottom:0}
.card-icon{width:52px;height:52px;color:var(--terracotta);margin-bottom:1.1rem}

.card-moss .num{background:#e6ecd4;color:var(--moss-d)}
.card-moss .card-icon{color:var(--moss)}

/* ---------- Feature (split image + text) ---------- */
.feature{position:relative}
.feature-img{
  border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:var(--shadow);aspect-ratio:4/3;
  background:var(--paper-2);
}
.feature-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.4s ease}
.feature-img:hover img{transform:scale(1.04)}
.feature-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(28,24,16,.15) 100%);
  pointer-events:none;
}
.feature-badge{
  position:absolute;left:-12px;bottom:-12px;z-index:2;
  background:var(--terracotta);color:var(--paper);
  padding:1rem 1.4rem;border-radius:14px;
  font-family:var(--serif);font-size:1.1rem;font-weight:500;line-height:1.2;
  max-width:220px;box-shadow:var(--shadow-sm);
}

/* ---------- Chip / tags ---------- */
.chip{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.45rem .9rem;border-radius:999px;
  background:var(--paper-2);color:var(--ink-2);
  font-size:.85rem;font-weight:500;
  border:1px solid var(--border);
}
.chip svg{width:14px;height:14px;color:var(--terracotta)}
.chip-moss{background:#e6ecd4;border-color:rgba(122,143,82,.35)}
.chip-moss svg{color:var(--moss-d)}

/* ---------- Timeline / steps ---------- */
.steps{position:relative;padding-left:2.2rem}
.steps::before{
  content:"";position:absolute;left:.55rem;top:.5rem;bottom:.5rem;
  width:2px;background:linear-gradient(180deg,var(--terracotta) 0%,var(--gold) 50%,var(--moss) 100%);
}
.step{position:relative;padding:0 0 2rem}
.step::before{
  content:"";position:absolute;left:-2.15rem;top:.35rem;width:14px;height:14px;
  border-radius:50%;background:var(--paper);
  border:3px solid var(--terracotta);
}
.step:last-child{padding-bottom:0}
.step h3{margin-bottom:.4rem;font-size:1.35rem}
.step p{color:var(--muted);margin-bottom:0}

/* ---------- Stats strip ---------- */
.stats-strip{
  background:linear-gradient(135deg,var(--olive) 0%,var(--moss-d) 100%);
  color:var(--paper);padding:clamp(3rem,5vw,4.5rem) 0;
}
.stats-strip .grid{gap:1.5rem}
.stat{
  padding:1.2rem 1rem;text-align:center;
}
.stat .num{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(2.6rem,4.6vw,3.8rem);line-height:1;color:var(--paper);
  display:block;margin-bottom:.5rem;
}
.stat .lbl{
  font-size:.85rem;text-transform:uppercase;letter-spacing:.14em;
  color:rgba(250,245,236,.82);font-weight:500;line-height:1.5;
}

/* ---------- Quote ---------- */
.quote{
  position:relative;background:var(--paper-2);
  padding:clamp(2.5rem,5vw,4rem);border-radius:var(--radius);
  border-left:5px solid var(--terracotta);
}
.quote::before{
  content:"“";position:absolute;top:1rem;left:1.6rem;
  font-family:var(--serif);font-size:6rem;line-height:1;color:var(--terracotta);opacity:.25;
}
.quote p{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,1.7vw,1.55rem);
  color:var(--ink);line-height:1.55;margin:0 0 1.4rem;position:relative;
}
.quote footer{
  display:flex;align-items:center;gap:.9rem;color:var(--muted);
  font-size:.95rem;font-style:normal;
}
.quote footer strong{color:var(--ink);display:block;font-size:1rem;font-weight:600}
.quote-avatar{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--terracotta) 0%,var(--gold) 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--paper);font-family:var(--serif);font-size:1.35rem;font-weight:500;
  flex-shrink:0;
}

/* ---------- Parcours (balade) ---------- */
.parcours{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.6rem}
.parcours-card{
  position:relative;padding:2.2rem 1.8rem;border-radius:var(--radius);
  background:var(--paper);border:1px solid var(--border);
  overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;
}
.parcours-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.parcours-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
}
.parcours-card.p3::before{background:var(--moss)}
.parcours-card.p6::before{background:var(--gold)}
.parcours-card.p8::before{background:var(--terracotta)}
.parcours-card .km{
  font-family:var(--serif);font-size:4rem;line-height:1;color:var(--ink);
  font-weight:400;letter-spacing:-.03em;
}
.parcours-card .km em{font-style:normal;font-size:1.6rem;color:var(--muted);font-weight:400;margin-left:.2rem;vertical-align:top}
.parcours-card h3{margin-top:.6rem;font-size:1.3rem}
.parcours-card ul{list-style:none;padding:0;margin:1.2rem 0 0;color:var(--muted);font-size:.95rem}
.parcours-card ul li{padding:.35rem 0;border-bottom:1px dashed var(--border);display:flex;align-items:center;gap:.5rem}
.parcours-card ul li:last-child{border-bottom:0}
.parcours-card ul li svg{width:14px;height:14px;color:var(--moss);flex-shrink:0}

/* ---------- Galerie ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(12,1fr);
  gap:1rem;
}
.gallery figure{
  margin:0;position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:1/1;box-shadow:var(--shadow-sm);background:var(--paper-2);
}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:1rem 1.2rem;color:var(--paper);
  background:linear-gradient(180deg,transparent 0%,rgba(28,24,16,.85) 100%);
  font-size:.9rem;font-weight:500;
}
.gallery .g-wide{grid-column:span 6;aspect-ratio:16/10}
.gallery .g-tall{grid-column:span 4;aspect-ratio:3/4}
.gallery .g-sq{grid-column:span 4}
.gallery .g-full{grid-column:span 8;aspect-ratio:16/9}
@media(max-width:820px){
  .gallery{grid-template-columns:repeat(6,1fr)}
  .gallery .g-wide,.gallery .g-tall,.gallery .g-sq,.gallery .g-full{grid-column:span 6;aspect-ratio:4/3}
}

/* ---------- Form ---------- */
.form{
  background:var(--paper);border:1px solid var(--border);
  border-radius:var(--radius);padding:clamp(1.8rem,3.5vw,2.8rem);
  box-shadow:var(--shadow-sm);
}
.field{margin-bottom:1.3rem}
.field label{display:block;font-weight:600;color:var(--ink);margin-bottom:.5rem;font-size:.95rem}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;
  border:1.5px solid var(--border);border-radius:10px;
  font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:var(--paper);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--terracotta);
  box-shadow:0 0 0 4px rgba(193,87,49,.14);
}
.field textarea{min-height:130px;resize:vertical}
.field-inline{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:640px){.field-inline{grid-template-columns:1fr}}

/* ---------- Contact block ---------- */
.contact-block{
  padding:2rem;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--ink) 0%,var(--olive) 100%);
  color:var(--paper);
}
.contact-block h3{color:var(--paper)}
.contact-block a{color:var(--gold);font-weight:500}
.contact-block a:hover{color:var(--paper)}
.contact-item{display:flex;gap:.9rem;padding:.9rem 0;border-bottom:1px solid var(--border-dark)}
.contact-item:last-child{border-bottom:0}
.contact-item svg{width:22px;height:22px;color:var(--gold);flex-shrink:0;margin-top:.2rem}
.contact-item strong{display:block;color:var(--paper);margin-bottom:.15rem;font-size:.85rem;text-transform:uppercase;letter-spacing:.14em;font-weight:600}
.contact-item span{color:rgba(250,245,236,.9);font-size:1rem}

/* ---------- Partners strip ---------- */
.partners{
  padding:3rem 0;background:var(--paper-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.partners-inner{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:2.5rem 4rem;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
}
.partner{
  display:flex;align-items:center;gap:.8rem;
  color:var(--ink-2);font-family:var(--serif);font-size:1.1rem;font-weight:500;
  opacity:.85;transition:opacity .2s ease;
}
.partner:hover{opacity:1}
.partner svg{width:36px;height:36px;color:var(--terracotta-d)}

/* ---------- Footer ---------- */
footer.foot{
  background:var(--ink);color:rgba(250,245,236,.75);padding:4rem 0 2rem;
}
footer.foot h4{color:var(--gold);margin-bottom:1rem}
footer.foot a{color:rgba(250,245,236,.85)}
footer.foot a:hover{color:var(--gold)}
footer.foot .grid{gap:2.5rem}
.foot-brand{
  display:flex;align-items:flex-start;gap:.9rem;margin-bottom:1rem;
  color:var(--paper);
}
.foot-brand svg{width:52px;height:52px;flex-shrink:0}
.foot-brand strong{font-family:var(--serif);font-size:1.2rem;font-weight:500;color:var(--paper);display:block;line-height:1.2}
.foot-brand span{font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:rgba(250,245,236,.55);margin-top:.15rem;display:block}
.foot-links{list-style:none;padding:0;margin:0;line-height:2}
.foot-mentions{
  border-top:1px solid var(--border-dark);margin-top:3rem;padding-top:1.5rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
  font-size:.85rem;color:rgba(250,245,236,.55);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.tc{text-align:center}
.center-wrap{max-width:760px;margin:0 auto;text-align:center}
.center-wrap .lead{margin-left:auto;margin-right:auto}
.hidden{display:none}

/* ---------- Alt sections ---------- */
.bg-cream{background:var(--paper-2)}
.bg-moss{background:linear-gradient(160deg,#e6ecd4 0%,#f2ebd0 100%)}
.dark{background:var(--ink);color:var(--paper)}
.dark h1,.dark h2,.dark h3{color:var(--paper)}
.dark .lead{color:rgba(250,245,236,.85)}
.dark p{color:rgba(250,245,236,.88)}
.dark .card{background:rgba(250,245,236,.05);border-color:var(--border-dark);color:rgba(250,245,236,.9)}
.dark .card h3{color:var(--paper)}
.dark .card p{color:rgba(250,245,236,.78)}
.dark .card:hover{border-color:var(--gold)}

/* ---------- Print/small polish ---------- */
::selection{background:var(--terracotta);color:var(--paper)}

/* ---------- Focus visible ---------- */
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}