/* TERRA'PIET — accueil V3.
   Mécanique et composition reprises de l'accueil Nemelec validé : apparitions, cartes,
   présentation en diaporama, bande sombre, avis automatiques et radar des zones.
   Cette feuille surcharge le thème Eco sans le modifier. */

:root{
  --tta-ease:cubic-bezier(.2,.8,.2,1);
  --tta-spring:cubic-bezier(.34,1.56,.64,1);
  --tta-clair:#ffb36b;
  --tta-clair-2:#ffd2a8;
  --tta-encre:#1d0d02;
  /* --sur-accent et --accent-texte sont posés par commun.css (palette noire). */
}

/* Apparitions au scroll du modèle. */
[data-reveal]{transition:opacity .85s var(--tta-ease),transform .95s var(--tta-ease),filter .85s ease}
[data-reveal].is-hidden{filter:blur(8px)}
[data-reveal].is-hidden[data-reveal="1"]{transform:translateY(46px) scale(.985)}
[data-reveal].is-hidden[data-reveal="left"]{transform:translateX(-70px) scale(.97)}
[data-reveal].is-hidden[data-reveal="right"]{transform:translateX(70px) scale(.97)}
[data-reveal].is-hidden[data-reveal="zoom"]{transform:scale(.9)}

.tta-scene{perspective:1100px}
.tta-in{opacity:0;transform:perspective(1000px) rotateY(-26deg) rotateX(9deg) translateY(50px) scale(.94)}
.tta-in.tta-vu{opacity:1;transform:none;transition:opacity .8s ease,transform 1s var(--tta-ease)}

.tta-seq.tta-pre>*{opacity:0;transform:translateX(-24px)}
.tta-seq.tta-pre.tta-vu>*{opacity:1;transform:none;transition:opacity .7s ease calc(var(--i,0)*95ms),transform .85s var(--tta-ease) calc(var(--i,0)*95ms)}
.tta-seq--haut.tta-pre>*{transform:translateY(22px)}
.tta-seq.tta-pre.tta-vu>*>span[aria-hidden="true"]:first-child{animation:ttaPop .7s var(--tta-spring) calc(var(--i,0)*95ms + .25s) both}

/* Titres de section : filet puis soulignement court. */
.tta-tt>span:first-child::before{content:'';display:inline-block;vertical-align:middle;width:30px;height:2px;margin:-3px 12px 0 0;border-radius:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .8s var(--tta-ease) .25s}
.tta-tt:not(.is-hidden)>span:first-child::before{transform:scaleX(1)}
.tta-tt h2::after{content:'';display:block;height:3px;width:0;margin-top:16px;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--tta-clair));transition:width .9s var(--tta-ease) .45s}
.tta-tt:not(.is-hidden) h2::after{width:72px}
.tta-tt--centre h2::after{margin-inline:auto}
@media (max-width:480px){.tta-tt>span:first-child::before{display:none}}

/* Relief des cartes, sans reflet sur les photos. */
.tta-tilt{position:relative;transform-style:preserve-3d;will-change:transform}
.tta-tilt.tta-on{transition:transform .08s linear,box-shadow .3s,background .3s,border-color .3s!important;box-shadow:0 30px 60px -28px rgba(0,0,0,.9)}

/* Brillance autorisée sur les boutons uniquement. */
section~section .hv04,section~section .hv20,section~section .hv10{position:relative;overflow:hidden;isolation:isolate}
section~section .hv04::after,section~section .hv20::after,section~section .hv10::after{content:'';position:absolute;top:0;bottom:0;left:0;width:55%;pointer-events:none;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:translateX(-140%) skewX(-20deg);transition:transform .75s var(--tta-ease)}
section~section .hv04:hover::after,section~section .hv20:hover::after,section~section .hv10:hover::after{transform:translateX(260%) skewX(-20deg)}
html section~section .hv04,html section~section .hv20{transition:transform .5s var(--tta-spring),background .2s,box-shadow .25s,color .2s,border-color .2s!important}
html section~section .hv04:hover,html section~section .hv20:hover{transform:translateY(-3px) scale(1.045)}
html section~section .hv04:active,html section~section .hv20:active{transform:scale(.97)}
a[aria-label="Appeler"][style*="position:fixed"]{animation:ttaBreath 3.4s ease-in-out infinite}
@keyframes ttaBreath{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}

/* Présentation : cadre décalé et diaporama de chantiers. */
.tta-about-img::before{content:'';position:absolute;inset:16px -14px -16px 14px;border:2px solid var(--accent);border-radius:30px;opacity:.35;z-index:0;transition:transform .9s var(--tta-ease) .3s,opacity .9s ease .3s}
.tta-about-img.is-hidden::before{opacity:0;transform:translate(-20px,-20px)}
.tta-about-img>div{position:relative;z-index:1}
.tta-about-img img{transform:scale(1.12);transition:transform 6s cubic-bezier(.2,.6,.2,1),opacity 1.3s ease}
.tta-about-img:not(.is-hidden) img{transform:scale(1)}
[data-tta-diapo]>img{opacity:0}
[data-tta-diapo]>img.is-on{opacity:1}
.tta-diapo-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:3;display:flex;align-items:center;padding:2px 6px;border-radius:30px;background:rgba(28,18,10,.58);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:0 4px 14px -6px rgba(0,0,0,.5)}
.tta-diapo-dots button{position:relative;flex:none;width:20px;height:22px;padding:0;border:0;background:none;cursor:pointer;transition:width .45s var(--tta-ease)}
.tta-diapo-dots button::before,.tta-diapo-dots button::after{content:'';position:absolute;left:6px;right:6px;top:7px;bottom:7px;border-radius:8px}
.tta-diapo-dots button::before{background:rgba(255,255,255,.52)}
.tta-diapo-dots button.on{width:38px}
.tta-diapo-dots button.on::before{background:rgba(255,255,255,.35)}
.tta-diapo-dots button.on::after{background:var(--tta-clair);transform-origin:left;animation:ttaDiapoFill var(--tta-dd,4.6s) linear forwards}
.tta-diapo.tta-hold .tta-diapo-dots button.on::after{animation-play-state:paused}
.tta-diapo-dots button:focus-visible{outline:2px solid #fff;outline-offset:-2px;border-radius:8px}
@keyframes ttaDiapoFill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (max-width:640px){.tta-about-img::before{inset:10px -8px -10px 8px}}

/* Réalisations : photos seules ; empilement vertical sur mobile. */
.tta-projects .eco-piste-slide>div{cursor:zoom-in}
.tta-projects .eco-piste-slide>div img{transition:transform .9s var(--tta-ease)}
.tta-projects .eco-piste-slide>div:hover img{transform:scale(1.07)}
@media (max-width:639px){
  .tta-projects [data-projects-track]{display:grid!important;grid-template-columns:1fr;gap:18px;transform:none!important;transition:none!important}
  .tta-projects .eco-piste-slide{width:100%;padding:0;flex-basis:auto!important}
  .tta-projects .eco-piste-slide>div{aspect-ratio:4/3!important}
  .tta-project-controls,.tta-project-progress{display:none!important}
}

/* Pourquoi nous choisir : trame, halos et cartes en verre du modèle. */
.tta-pourquoi{position:relative;overflow:hidden;isolation:isolate;--accent-texte:var(--tta-clair);--accent-texte-fonce:var(--tta-clair-2)}
.tta-pourquoi::before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(255,179,107,.065) 1px,transparent 1px),linear-gradient(90deg,rgba(255,179,107,.065) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 45%,#000 15%,transparent 78%);mask-image:radial-gradient(ellipse 70% 80% at 50% 45%,#000 15%,transparent 78%)}
.tta-pourquoi::after{content:'';position:absolute;inset:-20%;z-index:-1;pointer-events:none;background:radial-gradient(520px circle at 12% 18%,rgba(232,116,30,.42),transparent 70%),radial-gradient(620px circle at 88% 85%,rgba(255,179,107,.2),transparent 70%);animation:ttaDrift 20s ease-in-out infinite alternate}
@keyframes ttaDrift{from{transform:translate3d(-2%,-1%,0) scale(1)}to{transform:translate3d(3%,2%,0) scale(1.08)}}
.tta-topo{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;display:block}
.tta-topo .tta-trace{fill:none;stroke:rgba(255,179,107,.2);stroke-width:1.5}
.tta-topo .tta-pulse{fill:none;stroke:var(--tta-clair);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:6 94;stroke-dashoffset:0;animation:ttaFlow 7s linear infinite;filter:drop-shadow(0 0 5px rgba(255,179,107,.8))}
.tta-topo .tta-pulse:nth-of-type(2){animation-duration:9s;animation-delay:-3s}
.tta-topo .tta-pulse:nth-of-type(3){animation-duration:11s;animation-delay:-6s}
.tta-topo.tta-pause *{animation-play-state:paused}
@keyframes ttaFlow{to{stroke-dashoffset:-100}}
.tta-pourquoi .grille-cartes{gap:20px}
.tta-pourquoi .hv09{position:relative;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.035))!important;border:1px solid rgba(255,179,107,.26)!important;box-shadow:0 22px 44px -26px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.14);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:transform .5s var(--tta-ease),background .3s,border-color .3s,box-shadow .3s!important}
.tta-pourquoi .hv09:hover{background:linear-gradient(160deg,rgba(232,116,30,.2),rgba(255,255,255,.05))!important;border-color:rgba(255,179,107,.62)!important}
.tta-pourquoi .hv09>i.tta-fil{position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--tta-clair),transparent);transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--tta-ease) .5s}
.tta-pourquoi .tta-in.tta-vu .hv09>i.tta-fil{transform:scaleX(1)}
.tta-pourquoi .hv09>span:first-of-type{position:relative;width:52px!important;height:52px!important;border-radius:50%!important;background:linear-gradient(145deg,#ffd2a8,#ff9945)!important;color:var(--tta-encre)!important;box-shadow:0 0 0 6px rgba(255,179,107,.14),0 10px 24px -8px rgba(232,116,30,.7);transition:transform .5s var(--tta-spring)}
.tta-pourquoi .hv09>span:first-of-type::after{content:'';position:absolute;inset:0;border-radius:50%;border:2px solid var(--tta-clair);pointer-events:none;animation:ttaRing 2.8s ease-out infinite}
.tta-pourquoi .tta-in:nth-child(2) .hv09>span:first-of-type::after{animation-delay:.7s}
.tta-pourquoi .tta-in:nth-child(3) .hv09>span:first-of-type::after{animation-delay:1.4s}
.tta-pourquoi .tta-in:nth-child(4) .hv09>span:first-of-type::after{animation-delay:2.1s}
.tta-pourquoi .tta-in.tta-vu .hv09>span:first-of-type{animation:ttaPop .8s var(--tta-spring) .45s both}
.tta-pourquoi .hv09:hover>span:first-of-type{transform:scale(1.12) rotate(-8deg)}
.tta-pourquoi .hv09 h3{letter-spacing:-.01em}
.tta-pourquoi .hv09 p{color:rgba(255,255,255,.84)!important}
@keyframes ttaRing{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.85);opacity:0}}
@keyframes ttaPop{0%{transform:scale(.2);opacity:0}100%{transform:scale(1);opacity:1}}
@media (max-width:480px){
  .tta-pourquoi .grille-cartes{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px}
  .tta-pourquoi .hv09{padding:18px 14px!important;gap:10px!important;border-radius:20px!important}
  .tta-pourquoi .hv09>span:first-of-type{width:44px!important;height:44px!important}
  .tta-pourquoi .hv09 h3{font-size:17px!important}
  .tta-pourquoi .hv09 p{font-size:13.5px!important;line-height:1.5!important}
}

/* Avis : cinq étoiles SVG, cartes égales et avance automatique douce. */
.tta-avis-sec{position:relative;overflow:hidden}
.tta-avis-sec::before{content:'';position:absolute;right:max(24px,calc(50% - 600px));top:42px;width:138px;height:138px;border:20px solid var(--accent);border-radius:50%;opacity:.035;pointer-events:none;transform:rotate(8deg)}
.tta-avis-sec>div{position:relative}
[data-testi-track]{touch-action:pan-y}
.tta-avis{position:relative;overflow:hidden;transition:transform .5s var(--tta-ease),box-shadow .35s,border-color .3s!important}
.tta-avis>div[style*="flex:1"]{display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.tta-avis:hover{border-color:var(--accent)!important;box-shadow:0 30px 50px -24px rgba(232,116,30,.22)!important}
.tta-stars{width:108px;height:19px;flex:none;color:#ffb347}
.tta-stars svg{display:block;width:108px;height:19px;overflow:visible;fill:currentColor}
.tta-stars path{transform-box:fill-box;transform-origin:center}
html.tta-js .tta-stars path{opacity:0;transform:scale(.2);transition:opacity .35s ease,transform .55s var(--tta-spring)}
.tta-vu .tta-stars path{opacity:1!important;transform:scale(1)!important}
.tta-stars g:nth-child(2) path{transition-delay:.1s!important}
.tta-stars g:nth-child(3) path{transition-delay:.2s!important}
.tta-stars g:nth-child(4) path{transition-delay:.3s!important}
.tta-stars g:nth-child(5) path{transition-delay:.4s!important}
.testi-dot{position:relative;overflow:hidden}
.tta-auto .testi-dot.active{background:color-mix(in srgb,var(--accent) 24%,var(--bord))}
.tta-auto .testi-dot.active::after{content:'';position:absolute;inset:0;background:var(--accent);transform-origin:left;animation:ttaDotFill var(--tta-d,7s) linear forwards}
.tta-auto.tta-hold .testi-dot.active::after{animation-play-state:paused}
@keyframes ttaDotFill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (max-width:640px){.tta-avis-sec::before{width:88px;height:88px;border-width:13px;top:28px;right:14px}}

/* Bandeau d'appel : vraie photo non étirée à gauche, texte sur aplat uni à droite. */
.tta-callout-media{min-width:0;overflow:hidden;background:#111}
.tta-callout-media img{display:block;width:100%;height:100%;min-height:340px;object-fit:cover;object-position:30% center;animation:ttaKen 22s ease-in-out infinite alternate;transform-origin:30% 50%}
.tta-callout-panel>span:first-child{color:var(--tta-clair)!important}
.tta-callout .hv20:hover{color:var(--tta-encre)!important}
@keyframes ttaKen{from{transform:scale(1)}to{transform:scale(1.08)}}
@media (max-width:720px){
  .tta-callout{grid-template-columns:1fr!important;min-height:0!important}
  .tta-callout-media img{min-height:230px;height:230px;object-position:35% 48%}
  .tta-callout-panel{padding:34px 24px 38px!important}
}

/* Zones desservies : radar et quinze liens, sur bande sombre. */
.tta-zone{position:relative;overflow:hidden;isolation:isolate;--accent-texte:var(--tta-clair);--accent-texte-fonce:var(--tta-clair-2);box-shadow:inset 0 -1px 0 rgba(255,179,107,.16)}
.tta-zone::before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(640px circle at 16% 62%,rgba(232,116,30,.4),transparent 70%),radial-gradient(520px circle at 92% 8%,rgba(255,179,107,.15),transparent 70%)}
.tta-zone.tta-zone .tta-zone-intro{max-width:720px;font-size:16px;line-height:1.65;color:rgba(255,255,255,.86)}
.tta-zone-grid{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:56px;align-items:center}
.tta-radar{position:relative;width:100%;max-width:420px;aspect-ratio:1;margin:0 auto}
.tta-radar>svg{display:block;width:100%;height:100%;overflow:visible}
.tta-radar circle{fill:none;stroke:var(--tta-clair);stroke-width:1.6}
.tta-radar circle.tta-r{stroke-dasharray:1;stroke-dashoffset:0;transition:stroke-dashoffset 1.6s var(--tta-ease)}
.tta-radar circle.tta-r1{transition-delay:.2s}
.tta-radar circle.tta-r2{transition-delay:.5s;opacity:.7}
.tta-radar circle.tta-r3{transition-delay:.8s;opacity:.45}
.tta-radar circle.tta-rp{stroke-width:1.4;transform-box:fill-box;transform-origin:center;opacity:0;animation:ttaRadar 4.8s ease-out 1.6s infinite}
@keyframes ttaRadar{0%{transform:scale(1);opacity:.55}100%{transform:scale(2.24);opacity:0}}
.tta-zh .tta-radar circle.tta-r{stroke-dashoffset:1}
.tta-ctr{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:8px;max-width:150px;color:#fff;font-weight:800;font-size:16px;line-height:1.2;text-align:center;transition:opacity .6s ease 1.1s,transform .8s var(--tta-spring) 1.1s}
.tta-zh .tta-ctr{opacity:0;transform:translate(-50%,-50%) scale(.5)}
.tta-ctr b{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--tta-clair);color:var(--tta-encre);box-shadow:0 0 0 10px rgba(255,179,107,.2)}
.tta-ctr svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.tta-pills{display:flex;flex-wrap:wrap;gap:12px;min-width:0}
.tta-city{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:11px 18px;border-radius:40px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:15px;font-weight:600;line-height:1.2;overflow-wrap:anywhere;transition:background .3s,color .3s,transform .45s var(--tta-spring),border-color .3s,opacity .5s ease,box-shadow .3s}
.tta-city svg{display:block;width:15px;height:15px;flex:none;fill:none;stroke:var(--tta-clair);stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s}
.tta-city:hover,.tta-city:focus-visible{background:var(--tta-clair);border-color:var(--tta-clair);color:var(--tta-encre);transform:translateY(-4px) scale(1.06)}
.tta-city:hover svg,.tta-city:focus-visible svg{stroke:var(--tta-encre)}
.tta-city:focus-visible{outline:3px solid #fff;outline-offset:3px}
.tta-zh .tta-city{opacity:0;transform:translateY(14px) scale(.9)}
.tta-zone.tta-zgo .tta-city{transition-delay:0s,0s,calc(var(--i,0)*70ms + 1.2s),0s,calc(var(--i,0)*70ms + 1.2s),0s}
@media (max-width:900px){.tta-zone-grid{grid-template-columns:1fr;gap:34px}.tta-radar{max-width:300px}}
@media (max-width:640px){
  .tta-radar{max-width:230px}
  .tta-ctr{font-size:13px;max-width:124px}
  .tta-ctr b{width:46px;height:46px;box-shadow:0 0 0 8px rgba(255,179,107,.2)}
  .tta-ctr svg{width:22px;height:22px}
  .tta-pills{gap:10px}
  .tta-city{padding:10px 15px;font-size:14px}
}

/* Mouvement réduit : aucune animation décorative, galeries fixes. */
@media (prefers-reduced-motion:reduce){
  [data-reveal]{transition:none!important;filter:none!important}
  .tta-in,.tta-seq.tta-pre>*{opacity:1!important;transform:none!important;transition:none!important}
  section~section .hv04::after,section~section .hv20::after,section~section .hv10::after{display:none!important}
  html section~section .hv04:hover,html section~section .hv20:hover{transform:none}
  .tta-pourquoi::after,.tta-topo *,.tta-pourquoi .hv09>span:first-of-type::after,.tta-callout-media img,a[aria-label="Appeler"][style*="position:fixed"]{animation:none!important}
  .tta-pourquoi .hv09>i.tta-fil{transform:scaleX(1)!important;transition:none!important}
  .tta-tt>span:first-child::before{transform:scaleX(1)!important;transition:none!important}
  .tta-tt h2::after{width:72px!important;transition:none!important}
  .tta-stars path{opacity:1!important;transform:none!important;transition:none!important}
  .tta-about-img img{transform:none!important;transition:none!important}
  .tta-diapo-dots{display:none!important}
  .tta-radar circle,.tta-ctr,.tta-city{transition:none!important}
  .tta-radar circle.tta-rp{animation:none!important;opacity:0}
  .tta-zh .tta-radar circle.tta-r{stroke-dashoffset:0!important}
  .tta-zh .tta-ctr{opacity:1!important;transform:translate(-50%,-50%)!important}
  .tta-zh .tta-city{opacity:1!important;transform:none!important}
  .tta-about-img::before{opacity:.35!important;transform:none!important;transition:none!important}
}

/* ---------- Bandeau : titre en deux niveaux (30/10) — petit surtitre d'activité au-dessus, « Terra Piet » en grand mais mesuré. ---------- */
.tta-hero h1{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin:0}
.tta-hero .tta-kicker{display:block;max-width:34em;font-size:15px;font-weight:600;line-height:1.45;letter-spacing:.01em;padding-left:14px;border-left:3px solid var(--accent)}
.tta-hero .tta-titre{display:block;font-size:clamp(40px,5vw,64px);font-weight:700;line-height:1.02;letter-spacing:-.02em}
@media (max-width:560px){
  .tta-hero h1{gap:12px}
  .tta-hero .tta-kicker{font-size:14px;max-width:21em}
  .tta-hero .tta-titre{font-size:clamp(40px,12vw,48px)}
}