/* Elementa Naturae — reforestation en Haute-Garonne.
   Design : forêt profonde + or de canopée. Cormorant Garamond (déployé) × Inter (corps). */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Inter:wght@400;500;600&display=swap');

:root{
  --ink:#0B120D; --ink-2:#0F1810; --panel:#141F16; --panel-2:#18271A;
  --line:rgba(233,223,201,.13); --line-2:rgba(233,223,201,.22);
  --cream:#EFE9DA; --cream-2:#D3CDBC; --muted:#98A48C;
  --gold:#D7A94F; --gold-2:#E8C983; --sap:#A7C48A; --pine:#3C5A43;
  --serif:'Cormorant Garamond','Iowan Old Style',Palatino,Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --max:1220px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--cream);font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#1a1206}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.04;letter-spacing:.005em;text-wrap:balance}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
@media(max-width:640px){.wrap{padding:0 22px}}

/* grain global */
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* eyebrow / labels */
.eyebrow{font-family:var(--sans);text-transform:uppercase;letter-spacing:.28em;font-size:.7rem;font-weight:600;color:var(--gold)}
.eyebrow.center{display:flex;align-items:center;justify-content:center;gap:12px}
.eyebrow.center::before,.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--line-2)}

/* boutons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:.82rem;font-weight:600;
  letter-spacing:.02em;padding:15px 30px;border-radius:100px;cursor:pointer;transition:.35s var(--ease);border:1px solid transparent;white-space:nowrap}
.btn.gold{background:var(--gold);color:#1a1206}
.btn.gold:hover{background:var(--gold-2);transform:translateY(-2px);box-shadow:0 14px 40px -14px rgba(215,169,79,.7)}
.btn.ghost{background:rgba(239,233,218,.04);color:var(--cream);border-color:var(--line-2);backdrop-filter:blur(6px)}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn.small{padding:11px 20px;font-size:.76rem}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.4s var(--ease)}
header .bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 32px;max-width:1360px;margin:0 auto}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600;letter-spacing:.02em;color:var(--cream);display:flex;align-items:center;gap:11px}
.brand .mark{width:34px;height:34px;flex:none;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.82rem;letter-spacing:.04em;color:var(--cream-2);transition:.25s;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:.3s var(--ease)}
.nav-links a:hover{color:var(--cream)}.nav-links a:hover::after{width:100%}
header.solid{background:rgba(9,15,10,.86);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
header.solid .bar{padding:14px 32px}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);color:var(--cream);border-radius:9px;padding:9px 12px;cursor:pointer;font-size:.9rem}
@media(max-width:1024px){
  .nav-links{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:26px;background:rgba(8,13,9,.98);
    transform:translateY(-100%);opacity:0;pointer-events:none;visibility:hidden;transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;z-index:60}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto;visibility:visible}
  .nav-links a{font-size:1.3rem;font-family:var(--serif)}
  .menu-btn{display:block;position:relative;z-index:61}
  header .cta-nav{display:none}
  /* mobile : pas de backdrop-filter sur l'en-tête (sinon il "capture" le menu fixe et le fait déborder) */
  header.solid{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(9,15,10,.97)}
}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.hero .bg{position:absolute;inset:-2%;background:url('img/hero.jpg') center/cover no-repeat;
  animation:kb 26s ease-in-out infinite alternate;will-change:transform}
@keyframes kb{from{transform:scale(1.04)}to{transform:scale(1.14)}}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(8,13,9,.55) 0%,rgba(8,13,9,.15) 32%,rgba(8,13,9,.55) 68%,rgba(8,13,9,.96) 100%)}
.hero .wrap{position:relative;z-index:2;padding:0 32px 8vh;width:100%;text-shadow:0 2px 14px rgba(0,0,0,.6)}
.hero .eyebrow{margin-bottom:24px}
.hero h1{font-size:clamp(2.9rem,7.4vw,6.6rem);font-weight:500;max-width:15ch;margin-bottom:26px;letter-spacing:-.01em}
.hero h1 em{font-style:italic;color:var(--gold-2)}
.hero p{font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,2.4vw,1.7rem);color:var(--cream);
  opacity:.92;max-width:44ch;margin-bottom:38px;line-height:1.4}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;
  align-items:center;gap:8px;color:var(--cream-2);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase}
.scrollcue .line{width:1px;height:44px;background:linear-gradient(var(--gold),transparent);animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.3;transform:scaleY(.7)}50%{opacity:1;transform:scaleY(1)}}

/* sections */
section{position:relative;z-index:2}
.band{padding:clamp(80px,12vh,150px) 0;background:var(--ink)}
.band.alt{background:var(--ink-2)}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .eyebrow{margin-bottom:18px}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.5rem);font-weight:500;margin-bottom:16px}
.sec-head h2 em{font-style:italic;color:var(--gold-2)}
.sec-head p{color:var(--cream-2);font-size:1.08rem;max-width:56ch}
.sec-head.center p{margin:0 auto}
.lead{font-family:var(--serif);font-size:clamp(1.4rem,3vw,2.2rem);line-height:1.35;color:var(--cream);max-width:20ch}
.lead em{font-style:italic;color:var(--gold-2)}

/* intro split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}
.split .media{position:relative;border-radius:4px;overflow:hidden;aspect-ratio:4/5}
.split .media img{width:100%;height:100%;object-fit:cover}
.split .media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 90px rgba(8,13,9,.5)}
.split p+p{margin-top:18px}
.split p{color:var(--cream-2);font-size:1.06rem}

/* cultivons — cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:980px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.cards{grid-template-columns:1fr}}
.cards.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.cards.three{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:30px 26px;transition:.4s var(--ease)}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);background:var(--panel-2)}
.card .ic{font-size:1.6rem;margin-bottom:16px;display:block}
.card h3{font-size:1.55rem;margin-bottom:10px;color:var(--cream)}
.card p{color:var(--muted);font-size:.96rem}

/* méthode — liste */
.method{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;border:1px solid var(--line);border-radius:6px;overflow:hidden}
@media(max-width:720px){.method{grid-template-columns:1fr}}
.method .item{background:var(--ink-2);padding:32px 30px;display:flex;gap:18px;align-items:flex-start}
.method .item .chk{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--gold);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:.9rem}
.method .item h4{font-family:var(--serif);font-size:1.35rem;font-weight:600;margin-bottom:6px;color:var(--cream)}
.method .item p{color:var(--muted);font-size:.95rem}

/* full-bleed break parallax */
.break{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden}
.break .bg{position:absolute;inset:0;background-size:cover;background-position:center;background-attachment:fixed}
.break::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,13,9,.82),rgba(8,13,9,.42))}
.break .wrap{position:relative;z-index:2}
.break .quote{font-family:var(--serif);font-style:italic;font-size:clamp(1.8rem,4.6vw,3.4rem);line-height:1.28;
  max-width:20ch;color:var(--cream)}
.break .quote em{color:var(--gold-2)}
.break cite{display:block;margin-top:22px;font-family:var(--sans);font-style:normal;font-size:.76rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
@media(max-width:860px){.break .bg{background-attachment:scroll}}

/* impact counters */
.impact{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
@media(max-width:720px){.impact{grid-template-columns:1fr 1fr;gap:20px}}
.stat{text-align:center;padding:34px 16px;border:1px solid var(--line);border-radius:6px;background:var(--ink-2)}
.stat .n{font-family:var(--serif);font-size:clamp(3rem,7vw,4.6rem);font-weight:600;color:var(--gold-2);line-height:1;
  font-variant-numeric:tabular-nums}
.stat .l{color:var(--muted);font-size:.82rem;letter-spacing:.04em;margin-top:10px}

/* steps / feuille de route */
.steps{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line-2);margin-left:8px}
.step{position:relative;padding:26px 0 26px 40px}
.step::before{content:"";position:absolute;left:-6px;top:32px;width:11px;height:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px var(--ink)}
.step .k{font-family:var(--serif);font-size:1.1rem;color:var(--gold);letter-spacing:.1em}
.step h4{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--cream);margin:4px 0 6px}
.step p{color:var(--muted);font-size:.98rem;max-width:60ch}

/* chips (essences, communes) */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1px solid var(--line-2);border-radius:100px;padding:9px 18px;font-size:.86rem;color:var(--cream-2);
  transition:.3s;background:rgba(239,233,218,.02)}
.chip:hover{border-color:var(--gold);color:var(--gold-2)}

/* galerie */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.gallery figure{position:relative;overflow:hidden;border-radius:4px}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:.7s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery .g1{grid-column:span 7;aspect-ratio:16/11}
.gallery .g2{grid-column:span 5;aspect-ratio:16/11}
.gallery .g3{grid-column:span 5;aspect-ratio:16/11}
.gallery .g4{grid-column:span 7;aspect-ratio:16/11}
@media(max-width:720px){.gallery{grid-template-columns:1fr 1fr}.gallery figure{grid-column:span 1!important;aspect-ratio:1/1}}

/* parrainage */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:980px){.tiers{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.tiers{grid-template-columns:1fr}}
.tier{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:34px 26px;
  display:flex;flex-direction:column;transition:.4s var(--ease)}
.tier:hover{transform:translateY(-6px);border-color:var(--line-2)}
.tier.feat{border-color:var(--gold);background:linear-gradient(180deg,rgba(215,169,79,.08),var(--panel))}
.tier .tag{position:absolute;top:-11px;left:26px;background:var(--gold);color:#1a1206;font-family:var(--sans);
  font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:4px 12px;border-radius:100px}
.tier .name{font-family:var(--serif);font-size:1.7rem;color:var(--cream)}
.tier .price{font-family:var(--serif);font-size:2.6rem;font-weight:600;color:var(--gold-2);margin:6px 0 14px}
.tier .price small{font-size:1rem;color:var(--muted)}
.tier p{color:var(--muted);font-size:.94rem;flex:1;margin-bottom:22px}
.tier .btn{width:100%;justify-content:center}

/* CTA seedling band */
.cta-band{position:relative;overflow:hidden;padding:clamp(90px,14vh,160px) 0;text-align:center}
.cta-band .bg{position:absolute;inset:0;background:url('img/seedling.jpg') center/cover no-repeat}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 50% 50%,rgba(8,13,9,.6),rgba(8,13,9,.94))}
.cta-band .wrap{position:relative;z-index:2}
.cta-band h2{font-size:clamp(2.2rem,5.4vw,4rem);font-weight:500;margin:0 auto 18px;max-width:18ch}
.cta-band h2 em{font-style:italic;color:var(--gold-2)}
.cta-band p{color:var(--cream-2);max-width:46ch;margin:0 auto 32px;font-size:1.08rem}

/* contact cards */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.ccard{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:32px 28px;transition:.4s var(--ease)}
.ccard:hover{transform:translateY(-5px);border-color:var(--gold)}
.ccard .ic{font-size:1.5rem;margin-bottom:14px}
.ccard h3{font-size:1.5rem;color:var(--cream);margin-bottom:8px}
.ccard p{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.ccard a{color:var(--gold-2);font-weight:600;font-size:.95rem;border-bottom:1px solid var(--line-2);padding-bottom:2px}
.ccard a:hover{border-color:var(--gold)}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{list-style:none;cursor:pointer;padding:22px 0;font-family:var(--serif);font-size:1.35rem;color:var(--cream);
  display:flex;justify-content:space-between;gap:20px;align-items:center;transition:.25s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:1.5rem;transition:.3s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--gold-2)}
.faq .a{color:var(--cream-2);padding:0 0 24px;font-size:1.02rem;max-width:64ch}

.note{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:4px;background:var(--ink-2);
  padding:22px 26px;color:var(--cream-2);font-size:.96rem;max-width:760px}

/* footer */
footer{background:var(--ink-2);border-top:1px solid var(--line);padding:70px 0 40px;position:relative;z-index:2}
.fgrid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.fgrid .brand{font-size:1.7rem;margin-bottom:12px}
.fgrid .col p{color:var(--muted);font-size:.92rem;max-width:34ch}
.fgrid .col h5{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;font-family:var(--sans);font-weight:600}
.fgrid .col a{display:block;color:var(--cream-2);font-size:.94rem;padding:5px 0;transition:.25s}
.fgrid .col a:hover{color:var(--gold-2)}
.fbot{margin-top:50px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.8rem;letter-spacing:.02em}

/* page hero (sous-pages) */
.phero{position:relative;min-height:64vh;display:flex;align-items:flex-end;overflow:hidden}
.phero .bg{position:absolute;inset:0;background-size:cover;background-position:center;animation:kb 26s ease-in-out infinite alternate}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,13,9,.5),rgba(8,13,9,.55) 55%,rgba(8,13,9,.97))}
.phero .wrap{position:relative;z-index:2;padding-bottom:7vh}
.phero .eyebrow{margin-bottom:18px}
.phero h1{font-size:clamp(2.6rem,6vw,5rem);font-weight:500;max-width:16ch}
.phero h1 em{font-style:italic;color:var(--gold-2)}
.phero .sub{font-family:var(--serif);font-style:italic;font-size:clamp(1.1rem,2.2vw,1.5rem);color:var(--cream-2);margin-top:16px;max-width:46ch}

/* reveals */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .hero .bg,.phero .bg{animation:none}
}