/* =========================================================
   SEMAPA · Sel Marin d'Ampataka
   Design system : terroir chaud & marais salants
   Dualité : eau (lagon) → cristal (ocre)
   Typo : Fraunces (titres) + Figtree (texte)
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  /* Couleurs — charte SEMAPA (teal primaire, ocre accent), fond sable chaud */
  --sand:#F4EAD9;        /* fond sable chaud */
  --sand-deep:#E9D9C0;   /* sable soutenu */
  --cream:#FBF6EC;       /* panneaux clairs */
  --salt:#FFFFFF;        /* blanc sel */
  --teal:#14564E;        /* PRIMAIRE (charte) */
  --teal-2:#1E7A6E;      /* teal clair */
  --teal-deep:#0F423B;   /* teal profond (hover) */
  --ochre:#B27A45;       /* accent chaud (charte) */
  --ochre-soft:#D69A5F;  /* ocre clair (dégradés) */
  --ember:#C67B3E;       /* ocre logo (touches) */
  --clay:#9A4A28;        /* terracotta profond (touches chaudes) */
  --clay-deep:#7C3A20;
  --lagoon:#2F6E64;      /* goutte de saumure (logo) */
  --lagoon-deep:#234f48;
  --ink:#241F19;         /* texte */
  --ink-soft:#6C6357;    /* texte secondaire */
  --line:#E4D6BE;        /* filets */

  /* Typo */
  --display:'Fraunces','Hoefler Text',Georgia,'Times New Roman',serif;
  --body:'Figtree','Segoe UI',system-ui,-apple-system,Arial,sans-serif;

  /* Échelle */
  --step--1:clamp(.8rem,.77rem + .15vw,.9rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.12rem);
  --step-1:clamp(1.2rem,1.1rem + .5vw,1.5rem);
  --step-2:clamp(1.55rem,1.35rem + 1vw,2.15rem);
  --step-3:clamp(2.1rem,1.7rem + 2vw,3.3rem);
  --step-4:clamp(2.8rem,2rem + 4vw,5.4rem);

  --maxw:1200px;
  --gutter:clamp(1.2rem,5vw,4rem);
  --radius:14px;
  --shadow:0 22px 60px -30px rgba(60,35,15,.5);
  --shadow-sm:0 10px 30px -18px rgba(60,35,15,.42);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  font-size:var(--step-0);
  line-height:1.65;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{
  font-family:var(--display);font-weight:400;line-height:1.06;
  letter-spacing:-.018em;color:var(--ink);
  font-optical-sizing:auto;
}
em{font-style:italic}
h1 em,h2 em,h3 em{color:var(--clay)}
::selection{background:var(--ochre);color:#fff}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:3px}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(4.5rem,9vw,8.5rem)}
.section--tight{padding-block:clamp(3rem,5vw,4.5rem)}

/* ---------- Eyebrow (signature : cristal) ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--body);
  font-size:var(--step--1);font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);margin-bottom:1.1rem;
}
.eyebrow::before{
  content:"";width:.62em;height:.62em;background:var(--ochre);
  transform:rotate(45deg);flex:none;
  box-shadow:0 0 0 4px rgba(47,110,100,.14);
}

.lead{font-size:var(--step-1);color:var(--ink-soft);max-width:46ch;line-height:1.5}
.mg{color:var(--teal);font-style:italic}   /* mot malgache */

/* ---------- Boutons ---------- */
.btn{
  --bg:var(--teal);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;
  padding:.9em 1.6em;border-radius:100px;
  background:var(--bg);color:var(--fg);
  font-family:var(--body);font-weight:700;font-size:var(--step--1);letter-spacing:.03em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease),background .3s,color .3s;
}
.btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);background:var(--teal-deep)}
.btn--ghost{--bg:transparent;--fg:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--teal);background:var(--cream);color:var(--teal)}
.btn--light{--bg:var(--salt);--fg:var(--teal)}
.btn--light:hover{background:var(--cream)}
.btn--outline{--bg:transparent;--fg:#fff;border-color:rgba(255,255,255,.6)}
.btn--outline:hover{background:#fff;color:var(--teal);border-color:#fff}
.btn .arrow{transition:transform .35s var(--ease-out)}
.btn:hover .arrow{transform:translateX(5px)}

.textlink{
  display:inline-flex;align-items:center;gap:.5em;font-weight:700;color:var(--teal);
  border-bottom:1px solid currentColor;padding-bottom:2px;
}
.textlink .arrow{transition:transform .3s var(--ease-out)}
.textlink:hover .arrow{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;width:100%;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:1rem var(--gutter);
  transition:background .4s var(--ease),box-shadow .4s,padding .4s;
}
.site-header.solid{
  background:color-mix(in srgb,var(--sand) 90%,transparent);
  backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);padding-block:.7rem;
}
.brand{display:flex;align-items:center;gap:.7rem;flex:none}
.brand svg{width:38px;height:38px;transition:transform .5s var(--ease-out)}
.brand:hover svg{transform:rotate(45deg)}
.brand-logo{width:38px;height:38px;display:block;transition:transform .5s var(--ease-out)}
.brand:hover .brand-logo{transform:rotate(45deg)}
.brand-logo--light{display:none}
.site-header.on-hero:not(.solid) .brand-logo--dark{display:none}
.site-header.on-hero:not(.solid) .brand-logo--light{display:block}
.brand-name{font-family:var(--display);font-weight:500;font-size:1.4rem;letter-spacing:.12em;color:var(--ink)}
.brand-sub{display:block;font-family:var(--body);font-size:.56rem;font-weight:700;letter-spacing:.28em;color:var(--clay);margin-top:2px}

/* header transparent au sommet (fond hero sombre) */
.site-header.on-hero:not(.solid) .brand-name{color:#fff}
.site-header.on-hero:not(.solid) .brand-sub{color:rgba(255,255,255,.82)}
.site-header.on-hero:not(.solid) .nav a{color:#fff}
.site-header.on-hero:not(.solid) .burger span{background:#fff}

.nav{display:flex;align-items:center;gap:.4rem}
.nav a{
  padding:.5em .85em;font-size:var(--step--1);font-weight:600;
  color:var(--ink);border-radius:8px;position:relative;transition:color .25s;
}
.nav a::after{
  content:"";position:absolute;left:.85em;right:.85em;bottom:.28em;height:2px;
  background:var(--ochre);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out);
}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--teal)}
.nav .btn{margin-left:.4rem}
/* le bouton "Nous contacter" reste un bouton : pas de soulignement, texte blanc même sur la page courante */
.nav .btn::after{content:none;display:none}
.nav .btn,
.nav .btn:hover,
.nav .btn[aria-current="page"]{color:#fff!important}
.site-header.on-hero:not(.solid) .nav .btn{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.site-header.on-hero:not(.solid) .nav .btn:hover{background:#fff;color:var(--clay)}

.burger{display:none;background:none;border:0;cursor:pointer;padding:.4rem;flex:none}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;isolation:isolate;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.hero__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06)}
.hero__media.kenburns img{animation:kenburns 22s var(--ease) infinite alternate}
@keyframes kenburns{from{transform:scale(1.05) translate(0,0)}to{transform:scale(1.16) translate(-2%,-2%)}}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,18,8,.5) 0%,rgba(30,18,8,.12) 35%,rgba(40,22,10,.78) 100%);
}
/* grille marais salants */
.hero__grid{
  position:absolute;inset:0;z-index:-1;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:clamp(46px,6vw,90px) clamp(46px,6vw,90px);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 60%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 60%,transparent);
}
.hero__inner{width:100%;max-width:var(--maxw);margin-inline:auto;padding:0 var(--gutter) clamp(3rem,7vw,6rem)}
.hero .eyebrow{color:#fff}
.hero .eyebrow::before{background:var(--ochre);box-shadow:0 0 0 4px rgba(198,123,62,.28)}
.hero h1{
  font-size:var(--step-4);font-weight:400;color:#fff;max-width:16ch;
  text-shadow:0 2px 30px rgba(0,0,0,.32);
}
.hero h1 em{font-style:italic;color:#F4D9B8}
.hero__sub{margin-top:1.4rem;max-width:44ch;font-size:var(--step-1);color:rgba(255,255,255,.92)}
.hero__cta{margin-top:2.2rem;display:flex;flex-wrap:wrap;gap:.9rem}

/* indicateur de défilement */
.scroll-hint{
  position:absolute;right:var(--gutter);bottom:clamp(3rem,7vw,6rem);z-index:1;
  writing-mode:vertical-rl;font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;
  color:rgba(255,255,255,.72);display:flex;align-items:center;gap:.8rem;pointer-events:none;
}
.scroll-hint::after{content:"";width:1px;height:44px;background:rgba(255,255,255,.5);animation:sc 2.4s var(--ease) infinite}
@keyframes sc{0%{transform:scaleY(.3);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(.3);transform-origin:bottom}}

/* bandeau provenance */
.provenance{
  border-top:1px solid rgba(255,255,255,.22);margin-top:3rem;padding-top:1.4rem;
  display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;
}
.provenance div{display:flex;flex-direction:column}
.provenance dt{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.65)}
.provenance dd{font-family:var(--display);font-size:1.4rem;color:#fff}

/* ---------- Marquee (bandeau défilant) ---------- */
.marquee{
  background:var(--teal);color:var(--cream);overflow:hidden;white-space:nowrap;
  padding-block:.9rem;border-block:1px solid rgba(255,255,255,.12);
}
.marquee__track{display:inline-flex;gap:3rem;padding-left:3rem;animation:marquee 32s linear infinite;will-change:transform}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{font-family:var(--display);font-style:italic;font-size:1.25rem;letter-spacing:.01em;display:inline-flex;align-items:center;gap:3rem}
.marquee span::after{content:"◇";color:var(--ochre-soft);font-style:normal}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Blocs génériques ---------- */
.section-head{max-width:62ch;margin-bottom:clamp(2.5rem,5vw,4rem)}
.section-head h2{font-size:var(--step-3)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head.center .lead{margin-inline:auto}
.section-head .lead{margin-top:1rem}

.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.split--rev .split__media{order:2}
.media-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.media-frame:hover img{transform:scale(1.05)}
.media-frame--tall img{aspect-ratio:3/4}
.media-tag{
  position:absolute;left:1rem;bottom:1rem;background:color-mix(in srgb,var(--cream) 92%,transparent);
  backdrop-filter:blur(6px);color:var(--teal);font-size:.72rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;padding:.5em .9em;border-radius:100px;
}

/* ---------- Manifeste (band citation) ---------- */
.band{position:relative;min-height:62vh;display:flex;align-items:center;color:#fff;isolation:isolate;text-align:center;overflow:hidden}
.band__bg{position:absolute;inset:0;z-index:-2}
.band__bg img{width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(12,20,20,.58),rgba(35,30,20,.62))}
.band blockquote{font-family:var(--display);font-weight:400;font-style:italic;font-size:clamp(1.7rem,1.2rem+2.6vw,3.3rem);line-height:1.24;max-width:22ch;margin-inline:auto}
.band cite{display:block;margin-top:1.6rem;font-family:var(--body);font-style:normal;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.78)}

/* ---------- Cartes produits ---------- */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:clamp(1.2rem,3vw,2rem)}
.card{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .45s var(--ease-out),box-shadow .45s,border-color .45s;
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--ochre)}
.card__img{aspect-ratio:5/4;overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.card:hover .card__img img{transform:scale(1.07)}
.card__body{padding:1.6rem 1.5rem 1.8rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.card__kicker{font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--ochre);display:flex;align-items:center;gap:.5em}
.card__kicker::before{content:"◇";color:var(--teal)}
.card h3{font-size:var(--step-1)}
.card p{color:var(--ink-soft);font-size:var(--step--1);flex:1}
.card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:.4rem;padding-top:1rem;border-top:1px solid var(--line)}
.card__use{font-size:.8rem;color:var(--ink-soft)}
.card__more{font-weight:700;color:var(--teal);font-size:.85rem;display:inline-flex;gap:.4em;align-items:center}
.card__more .arrow{transition:transform .3s var(--ease-out)}
.card:hover .card__more .arrow{transform:translateX(4px)}

/* ---------- Process (les cinq temps) ---------- */
.process{background:var(--cream)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:clamp(1.4rem,3vw,2.4rem);counter-reset:step}
.step{position:relative;padding-top:2.8rem}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:0;left:0;font-family:var(--display);font-style:italic;font-size:2.5rem;color:var(--ochre);
}
.step::after{content:"";position:absolute;top:2rem;left:3.6rem;right:0;height:1px;background:var(--line)}
.step:last-child::after{display:none}
.step h3{font-size:var(--step-1);margin-bottom:.5rem}
.step p{color:var(--ink-soft);font-size:var(--step--1)}

/* ---------- Valeurs / engagement ---------- */
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:1.4rem}
.value{padding:1.9rem 1.8rem;border-radius:var(--radius);background:var(--salt);border:1px solid var(--line);transition:transform .4s var(--ease-out),box-shadow .4s}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.value .ic{width:34px;height:34px;color:var(--teal);margin-bottom:1rem}
.value h3{font-size:var(--step-1);margin-bottom:.5rem}
.value p{color:var(--ink-soft);font-size:var(--step--1)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;text-align:center}
.stat b{display:block;font-family:var(--display);font-size:var(--step-3);color:var(--teal);line-height:1}
.stat span{font-size:var(--step--1);color:var(--ink-soft);letter-spacing:.03em}

/* ---------- CTA bande ---------- */
.cta-band{position:relative;color:#fff;text-align:center;isolation:isolate;overflow:hidden}
.cta-band__bg{position:absolute;inset:0;z-index:-2}
.cta-band__bg img{width:100%;height:100%;object-fit:cover}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(35,79,72,.86),rgba(154,74,40,.88))}
.cta-band h2{color:#fff;font-size:var(--step-3);max-width:22ch;margin-inline:auto}
.cta-band p{max-width:46ch;margin:1rem auto 2rem;color:rgba(255,255,255,.92)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#D9CFC2;padding-block:clamp(3.5rem,6vw,5rem) 2rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2.5rem}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin-top:1rem;max-width:34ch;color:#A89C8C;font-size:var(--step--1)}
.footer-col h4{font-family:var(--body);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ochre);margin-bottom:1rem}
.footer-col a,.footer-col p{display:block;color:#C9BEAF;font-size:var(--step--1);padding:.25rem 0;transition:color .25s}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:3rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.8rem;color:#8C8070}

/* ---------- Formulaire ---------- */
.form{display:grid;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--ink)}
.field input,.field textarea,.field select{
  font-family:var(--body);font-size:var(--step-0);color:var(--ink);
  padding:.85em 1em;border:1px solid var(--line);border-radius:10px;background:var(--salt);
  transition:border-color .25s,box-shadow .25s;width:100%;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--ochre);box-shadow:0 0 0 3px rgba(198,123,62,.16)
}
.field textarea{resize:vertical;min-height:130px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}

/* Formulaire — états envoi / confirmation */
.botcheck{position:absolute;left:-9999px;opacity:0;pointer-events:none;height:0;width:0}
.form{position:relative}
.form.is-loading .btn{opacity:.7;pointer-events:none}
.form-error{
  font-size:var(--step--1);color:var(--clay);background:rgba(154,74,40,.08);
  border:1px solid rgba(154,74,40,.28);border-radius:10px;padding:.75em 1em;
}
.form-error[hidden]{display:none}
.form-success{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.6rem,3vw,2.4rem);box-shadow:var(--shadow-sm);
  animation:formSuccessIn .55s var(--ease) both;
}
.form-success[hidden]{display:none}
.form-success__title{
  font-family:var(--display);font-size:var(--step-2);font-weight:500;
  color:var(--teal);margin:.2rem 0 1rem;line-height:1.15;
}
.form-success__text{color:var(--ink-soft);max-width:42ch;margin-bottom:1.4rem;line-height:1.55}
.form-success__text a{color:var(--clay);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.contact-panel{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.6rem,3vw,2.4rem);
}
.contact-panel .info-list{margin-bottom:1.8rem}
.contact-panel .divider{margin-bottom:1.4rem}
.contact-panel .note{color:var(--ink-soft);font-size:var(--step--1)}
.contact-panel a.accent{color:var(--teal);font-weight:700}
.form-privacy{font-size:.78rem;color:var(--ink-soft)}
.form-heading{font-size:var(--step-2);margin-bottom:1.4rem}
@keyframes formSuccessIn{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:none}
}

.info-list{list-style:none;display:grid;gap:1.4rem}
.info-list li{display:flex;gap:1rem;align-items:flex-start}
.info-list .ic{width:22px;height:22px;color:var(--teal);flex:none;margin-top:3px}
.info-list b{display:block;font-family:var(--display);font-size:1.15rem}
.info-list span{color:var(--ink-soft);font-size:var(--step--1)}

/* page hero (secondaire) */
.page-hero{padding:clamp(8.5rem,15vw,12rem) 0 clamp(3rem,6vw,5rem);background:var(--sand-deep);position:relative;overflow:hidden}
.page-hero::after{content:"◇";position:absolute;right:-2vw;top:16%;font-size:clamp(10rem,26vw,26rem);color:var(--ochre);opacity:.08;line-height:1;pointer-events:none}
.page-hero h1{font-size:var(--step-3);max-width:20ch}
.page-hero .lead{margin-top:1rem}

/* divider cristal */
.divider{display:flex;align-items:center;gap:1.2rem;color:var(--line)}
.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}
.divider span{color:var(--ochre);font-size:1.1rem}

/* =========================================================
   ANIMATIONS
   ========================================================= */

/* rideau de chargement */
.curtain{
  position:fixed;inset:0;z-index:1000;background:var(--clay);
  display:flex;align-items:center;justify-content:center;
  transition:transform 1s var(--ease-out);
}
.curtain__mark{width:64px;height:64px;opacity:0;animation:curtainMark .8s var(--ease) forwards}
.curtain__mark path,.curtain__mark polygon,.curtain__mark line{stroke:var(--cream)}
@keyframes curtainMark{from{opacity:0;transform:scale(.7) rotate(-20deg)}to{opacity:1;transform:none}}
body.loaded .curtain{transform:translateY(-100%);pointer-events:none}
body.no-js .curtain{display:none}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.reveal--left{transform:translateX(-34px)}
.reveal--right{transform:translateX(34px)}
.reveal--scale{transform:scale(.94)}
.reveal.in{opacity:1;transform:none}

/* split-text (titres révélés mot à mot) */
.split-word{display:inline-block;overflow:hidden;vertical-align:top}
.split-word > span{display:inline-block;transform:translateY(110%);transition:transform .8s var(--ease-out)}
.split-line.in .split-word > span,.split-text.in .split-word > span{transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .split,.split--rev .split__media{grid-template-columns:1fr;order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .step::after{display:none}
  .scroll-hint{display:none}
}
@media(max-width:720px){
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(80vw,320px);
    flex-direction:column;align-items:stretch;justify-content:center;gap:.4rem;
    background:var(--cream);padding:2rem;box-shadow:var(--shadow);
    transform:translateX(100%);transition:transform .4s var(--ease);
  }
  .nav.open{transform:none}
  .nav a{padding:.9em 1em;font-size:1.1rem;color:var(--ink)!important}
  .nav a::after{display:none}
  .nav .btn{margin:1rem 0 0;color:#fff!important;background:var(--clay)!important;border-color:var(--clay)!important}
  .burger{display:block;z-index:110}
  .site-header.on-hero:not(.solid) .burger span{background:currentColor}
  .row2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .provenance{gap:1rem 2rem}
}
@media(prefers-reduced-motion:no-preference){html:focus-within{scroll-behavior:smooth}}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto}
  .reveal,.split-word > span{opacity:1;transform:none}
  .hero__media img{transform:none}
  .curtain{display:none}
}