/* Simulateur solaire, moteur commun. Les couleurs et les polices de l'installateur arrivent par les
   variables écrites dans le <head> (--fonce, --accent, --sur-accent, --display, --texte) ; rien ici
   ne nomme une marque. L'accent reste sur les boutons, les curseurs et les états choisis, jamais sur
   du texte. */

:root{
  --encre:#1d2433;
  --gris:#5a6172;
  --filet:#e2e5eb;
  --rayon:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--texte);font-size:16px;line-height:1.6;color:var(--encre);background:var(--fonce)}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
h1,h2,h3,p{margin:0}

/* ---------- en-tête ---------- */

.top{position:absolute;inset:0 0 auto 0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px clamp(16px,5vw,64px)}
.top__logo img{height:44px;width:auto;max-width:none}
/* a dark logo sits on a white plate; it usually carries its own margins, so it gets more height */
.top__logo--plaque{padding:6px 10px;border-radius:10px;background:#fff}
.top__logo--plaque img{height:52px}
.top__tel{font-family:var(--display);font-weight:500;font-size:.95rem;color:#fff;text-decoration:none;white-space:nowrap;
  padding:8px 0;border-bottom:1px solid rgba(255,255,255,.35)}
.top__tel:hover{border-color:#fff}

/* ---------- hero ---------- */

/* the hero centres its content in the first screen; the text column stays in view (sticky) while
   the card grows on the result step */
.hero{position:relative;isolation:isolate;min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(100px,13vh,128px) clamp(16px,5vw,64px) 56px}
.hero__bg{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;object-position:center 70%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgb(var(--fonce-rgb) / .96) 0%,rgb(var(--fonce-rgb) / .88) 45%,rgb(var(--fonce-rgb) / .66) 100%)}
.hero--sans-photo::after{background:radial-gradient(120% 90% at 85% 10%,rgb(255 255 255 / .07),transparent 60%),var(--fonce)}

.hero__in{width:100%;max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,520px);
  gap:clamp(32px,6vw,88px);align-items:start}

/* the text sits level with the card's middle on the first screen, then stays in view */
.hero__text{position:sticky;top:110px;padding-top:56px;color:#fff}
.hero h1{font-family:var(--display);font-weight:600;font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.08;
  letter-spacing:-.01em;max-width:13ch}
.hero__lead{margin-top:20px;max-width:34ch;font-size:1.08rem;line-height:1.65;color:rgb(255 255 255 / .82)}
.hero__recap{margin-top:22px;max-width:30ch;padding-left:16px;border-left:3px solid var(--accent);
  font-family:var(--display);font-weight:500;font-size:1.15rem;line-height:1.45;color:#fff}
h1,h2,h3{text-wrap:balance}

.facts{list-style:none;margin:36px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px 28px}
.facts li{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:500;font-size:.95rem;color:#fff}
.facts li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.facts--bas{display:none}

/* ---------- carte du simulateur ---------- */

.card{background:#fff;border-radius:20px;padding:28px 28px 26px;box-shadow:0 24px 60px rgb(6 12 26 / .35);
  scroll-margin-top:16px;min-height:470px}

.card__step{font-family:var(--display);font-weight:500;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gris)}
.bar{height:4px;margin:10px 0 24px;border-radius:4px;background:var(--filet);overflow:hidden}
.bar span{display:block;height:100%;background:var(--accent);border-radius:4px;transition:width .35s ease}

.step h2{font-family:var(--display);font-weight:600;font-size:1.35rem;line-height:1.3;color:var(--fonce)}
.step h2:focus{outline:none}
.hint{margin-top:6px;font-size:.92rem;color:var(--gris)}

/* facture */
.bill{margin:22px 0 10px;font-family:var(--display);font-weight:700;font-size:2.8rem;line-height:1;color:var(--fonce)}
.bill output{font:inherit}

input[type=range]{--p:0%;width:100%;height:32px;margin:0;background:transparent;-webkit-appearance:none;appearance:none}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:6px;
  background:linear-gradient(to right,var(--accent) var(--p),var(--filet) var(--p))}
input[type=range]::-moz-range-track{height:6px;border-radius:6px;background:var(--filet)}
input[type=range]::-moz-range-progress{height:6px;border-radius:6px;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-10px;border-radius:50%;
  background:var(--accent);border:4px solid #fff;box-shadow:0 1px 6px rgb(20 33 61 / .35)}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:4px solid #fff;
  box-shadow:0 1px 6px rgb(20 33 61 / .35)}
input[type=range]:focus-visible{outline:2px solid var(--fonce);outline-offset:4px;border-radius:6px}

.chips{display:flex;gap:8px;margin-top:14px}
.chips--wrap{flex-wrap:wrap}
.chips button{flex:1 1 auto;min-height:42px;padding:8px 14px;border:1px solid var(--filet);border-radius:999px;background:#fff;
  font-family:var(--display);font-weight:500;font-size:.9rem;color:var(--encre);white-space:nowrap;
  transition:border-color .15s,background .15s}
.chips--4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.chips--3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.chips--3 button{white-space:normal;line-height:1.25;border-radius:12px;min-height:52px}
/* even two-column grid; an odd last choice spans the row on purpose */
.chips--grille{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.chips--grille button{min-height:52px;border-radius:12px;line-height:1.3;white-space:normal}
.chips--grille button:last-child:nth-child(odd){grid-column:1 / -1}
.chips--wrap button{white-space:normal;text-align:center}
.chips button:hover{border-color:#c5cad5}
.chips button.on{border-color:var(--accent);background:var(--accent-pale);box-shadow:inset 0 0 0 1px var(--accent)}

/* choix en cartes */
.opts{display:grid;gap:10px;margin-top:20px}
.opts button{display:block;width:100%;text-align:left;padding:14px 16px;border:1px solid var(--filet);border-radius:var(--rayon);
  background:#fff;transition:border-color .15s,background .15s}
.opts button:hover{border-color:#c5cad5}
.opts button.on{border-color:var(--accent);background:var(--accent-pale);box-shadow:inset 0 0 0 1px var(--accent)}
.opts strong{display:block;font-family:var(--display);font-weight:600;font-size:1rem;color:var(--fonce)}
.opts span{display:block;margin-top:2px;font-size:.88rem;line-height:1.45;color:var(--gris)}

/* ville et toit */
.field{display:block;margin:20px 0 8px;font-family:var(--display);font-weight:500;font-size:.9rem;color:var(--fonce)}
select{width:100%;min-height:48px;padding:0 40px 0 14px;border:1px solid var(--filet);border-radius:10px;font-size:16px;
  -webkit-appearance:none;appearance:none;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%231d2433' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 16px center}
select:focus-visible,.opts button:focus-visible,.chips button:focus-visible,.btn:focus-visible,.back:focus-visible{outline:2px solid var(--fonce);outline-offset:2px}

/* navigation de la carte */
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 26px;border:0;border-radius:12px;
  background:var(--accent);color:var(--sur-accent);font-family:var(--display);font-weight:600;font-size:1rem;text-decoration:none;
  transition:background .15s}
.btn:hover{background:var(--accent-fort)}
.back{padding:10px 2px;border:0;background:none;font-family:var(--display);font-weight:500;font-size:.92rem;color:var(--gris)}
.back:hover{color:var(--fonce)}
.back--center{display:block;margin:14px auto 0}

/* ---------- résultat ---------- */

.res-main{margin-top:18px;padding:22px 22px 20px;border-radius:var(--rayon);background:var(--fonce);color:#fff}
.res-label{font-family:var(--display);font-weight:500;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:rgb(255 255 255 / .75)}
.res-big{margin-top:8px;font-family:var(--display);font-weight:700;font-size:2.4rem;line-height:1.1;letter-spacing:-.01em}
.res-sous{margin-top:4px;font-family:var(--display);font-weight:500;font-size:.95rem;color:rgb(255 255 255 / .78)}

.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:14px 0 0;background:var(--filet);
  border:1px solid var(--filet);border-radius:var(--rayon);overflow:hidden}
.res-grid div{background:#fff;padding:14px 16px}
.res-grid .large{grid-column:1 / -1}
.res-grid dt{font-size:.8rem;color:var(--gris)}
.res-grid dd{margin:2px 0 0;font-family:var(--display);font-weight:600;font-size:1.05rem;color:var(--fonce)}
.res-grid dd.sub{margin-top:0;font-family:var(--texte);font-weight:400;font-size:.82rem;color:var(--gris)}

.cover{margin-top:18px}
.cover__bar{display:flex;height:10px;border-radius:10px;overflow:hidden;background:var(--filet)}
.cover__bar span{background:var(--accent)}
.cover__leg{display:flex;justify-content:space-between;gap:12px;margin-top:10px;font-size:.84rem;color:var(--gris)}
.cover__leg span:last-child{text-align:right}
.cover__leg b{font-family:var(--display);font-weight:600;color:var(--fonce)}

/* the battery, a lighter option under the main result: label left, value right */
.option{margin-top:20px;padding:16px 18px 6px;border:1px solid var(--filet);border-radius:var(--rayon)}
.option h3{font-family:var(--display);font-weight:600;font-size:1rem;color:var(--fonce)}
.lignes{margin:10px 0 0}
.lignes div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:9px 0;border-top:1px solid var(--filet)}
.lignes dt{font-size:.86rem;color:var(--gris)}
.lignes dd{margin:0;text-align:right;font-family:var(--display);font-weight:600;font-size:.94rem;color:var(--fonce)}

/* étude sur place, au-delà de ce que le simulateur chiffre */
.etude{margin-top:18px;padding:20px 22px;border-radius:var(--rayon);background:var(--fonce);color:#fff}
.etude p + p{margin-top:8px;color:rgb(255 255 255 / .8);font-size:.95rem}
.etude strong{font-family:var(--display);font-weight:600;font-size:1.2rem}

.note{margin-top:14px;font-size:.84rem;line-height:1.55;color:var(--gris)}

.btn--wa{width:100%;margin-top:22px}
.btn--wa svg{width:20px;height:20px;flex:none}
.after{margin-top:10px;text-align:center;font-size:.84rem;color:var(--gris)}
/* the second way out, quieter than the request: the result sent to someone at home */
.btn--ligne{width:100%;margin-top:14px;min-height:46px;padding:10px 20px;border:1px solid var(--filet);background:#fff;color:var(--fonce);
  font-weight:500;font-size:.95rem}
.btn--ligne:hover{background:#fff;border-color:var(--fonce)}
.btn--ligne svg{width:18px;height:18px;flex:none}

/* the installer's own installations: a strip that scrolls sideways, the photos his */
.reals{margin-top:6px}
.reals__liste{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;-webkit-overflow-scrolling:touch}
.real{flex:0 0 clamp(140px,44%,180px);scroll-snap-align:start;margin:0;border:1px solid var(--filet);border-radius:12px;overflow:hidden;background:#fff}
.real img{width:100%;aspect-ratio:4 / 3;object-fit:cover}
.real figcaption{display:flex;flex-direction:column;gap:1px;padding:9px 11px 11px;font-size:.8rem;line-height:1.35;color:var(--gris)}
.real strong{font-family:var(--display);font-weight:600;font-size:.88rem;color:var(--encre)}
.real__eco{margin-top:3px;font-weight:600;color:var(--encre)}
.reals__source{margin-top:2px;font-size:.76rem;color:var(--gris)}

/* aperçu pour le patron, seulement sur la démo */
.apercu{margin-top:24px;padding:18px 16px 20px;border-radius:var(--rayon);background:#efeae2}
.apercu__titre{font-family:var(--display);font-weight:600;font-size:.95rem;color:var(--encre)}
.apercu__info{margin-top:4px;font-size:.84rem;color:var(--gris)}
/* an outgoing WhatsApp message: green, tail at the top right, time and blue ticks */
.apercu__bulle{position:relative;width:fit-content;max-width:88%;margin:14px 8px 0 auto;padding:7px 9px 6px 10px;
  border-radius:8px 0 8px 8px;background:#d9fdd3;color:#111b21;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:.86rem;line-height:1.4;white-space:pre-wrap;box-shadow:0 1px .5px rgb(11 20 26 / .13)}
.apercu__bulle::after{content:"";position:absolute;top:0;right:-8px;border-style:solid;border-width:0 0 9px 8px;
  border-color:transparent transparent transparent #d9fdd3}
.apercu__heure{display:flex;justify-content:flex-end;align-items:center;gap:3px;margin-top:2px;font-size:.68rem;color:#667781;white-space:nowrap}
.apercu__heure svg{width:16px;height:11px}

/* ---------- pied de page ---------- */

.foot{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px 40px;
  padding:36px clamp(16px,5vw,64px);background:var(--fonce-2);color:rgb(255 255 255 / .72);font-size:.9rem}
.foot__logo{height:36px;width:auto;max-width:none}
.foot__logo--plaque{box-sizing:content-box;height:40px;padding:8px 12px;border-radius:10px;background:#fff}
.foot__info p + p{margin-top:4px}
.foot__info a{text-decoration:none;margin-right:16px;color:#fff}
.foot__info a:hover{text-decoration:underline}
.foot__credit a{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:rgb(255 255 255 / .55)}
.foot__credit a:hover{color:#fff}

/* ---------- tablette et téléphone ---------- */

@media (max-width:980px){
  .hero{display:block;min-height:0;padding-bottom:40px}
  .hero__in{grid-template-columns:minmax(0,1fr);gap:28px;max-width:600px}
  .hero__text{position:static;padding-top:0}
  .hero__text .facts{display:none}
  .facts--bas{display:flex;flex-direction:column;gap:10px;margin:0}
  .hero h1{max-width:16ch}
  .card{min-height:0}
}

@media (max-width:600px){
  .top{padding:16px}
  .top__logo img{height:36px}
  .top__logo--plaque img{height:44px}
  .top__tel{font-size:.88rem}
  .hero{padding:88px 16px 32px}
  .hero h1{font-size:2rem}
  .hero__lead{font-size:1rem;margin-top:14px}
  .facts li{font-size:.86rem}
  .card{padding:22px 18px 20px;border-radius:18px}
  .bill{font-size:2.4rem}
  .chips button{padding:8px 10px;font-size:.86rem}
  .chips--4{gap:6px}
  .chips--4 button{padding:8px 2px;font-size:.82rem}
  .res-big{font-size:2.1rem}
  .res-grid{grid-template-columns:1fr}
  .res-grid dd{font-size:1rem}
  .option{padding:14px 14px 4px}
  .lignes dd{font-size:.9rem}
  .chips--3 button{padding:8px 4px;font-size:.84rem}
  .apercu{padding:16px 12px 18px}
  .foot{grid-template-columns:1fr;gap:16px}
  .foot__info a{display:block;margin:0 0 4px}
}

/* the narrowest phones: label above value in the battery option */
@media (max-width:360px){
  .lignes div{display:block}
  .lignes dd{text-align:left;margin-top:2px}
  .res-big{font-size:1.85rem}
}

/* small phones (iPhone SE): the first question fits the first screen */
@media (max-width:600px) and (max-height:700px){
  .hero{padding-top:74px}
  .hero h1{font-size:1.75rem}
  .hero__lead{margin-top:10px;font-size:.95rem;line-height:1.55}
  .hero__in{gap:20px}
  .card{padding-top:18px}
  .bar{margin-bottom:16px}
  .opts{gap:8px;margin-top:14px}
  .opts button{padding:12px 14px}
  .bill{margin:14px 0 4px;font-size:2.2rem}
  .nav{margin-top:18px}
}

/* ---------- thème clair : une marque dont le site est blanc ----------
   Jad, 2026-11-02, on Solar House: a dark page only makes sense when his brand is dark. Here the page
   reads like his own site: white header with his logo as it is, a thin band of his accent on top,
   a very light page, his dark tone on the words, the accent on buttons and chosen states only. */
.theme-clair{background:#fff}
.theme-clair .top{position:relative;background:#fff;border-top:4px solid var(--accent);border-bottom:1px solid var(--filet);
  padding-top:14px;padding-bottom:14px}
.theme-clair .top__logo img{height:60px}
.theme-clair .top__tel{color:var(--fonce);padding:9px 18px;border:1px solid var(--filet);border-radius:999px}
.theme-clair .top__tel:hover{border-color:var(--accent)}
.theme-clair .hero{min-height:calc(100vh - 94px);min-height:calc(100svh - 94px);padding-top:clamp(40px,7vh,80px);background:var(--fond)}
.theme-clair .hero::after{content:none}
.theme-clair .hero__text{top:32px;padding-top:40px;color:var(--fonce)}
.theme-clair .hero h1{font-weight:700}
.theme-clair .hero__lead{color:var(--gris)}
.theme-clair .hero__recap{color:var(--fonce)}
.theme-clair .facts li{color:var(--encre)}
.theme-clair .card{border:1px solid var(--filet);box-shadow:0 1px 2px rgb(var(--fonce-rgb) / .04),0 24px 56px rgb(var(--fonce-rgb) / .09)}
.theme-clair .res-main,.theme-clair .etude{background:var(--accent-pale);color:var(--fonce);box-shadow:inset 4px 0 0 var(--accent)}
.theme-clair .res-label,.theme-clair .res-sous,.theme-clair .etude p + p{color:var(--gris)}
.theme-clair .foot{background:#fff;border-top:1px solid var(--filet);color:var(--gris)}
.theme-clair .foot__logo{height:48px}
.theme-clair .foot__info a{color:var(--fonce)}
.theme-clair .foot__credit a{color:var(--gris)}
.theme-clair .foot__credit a:hover{color:var(--fonce)}
@media (max-width:980px){
  .theme-clair .hero{min-height:0}
}
@media (max-width:600px){
  .theme-clair .top{padding-top:10px;padding-bottom:10px}
  .theme-clair .top__logo img{height:46px}
  .theme-clair .top__tel{padding:7px 12px}
  .theme-clair .hero{padding-top:26px}
}
@media (max-width:600px) and (max-height:700px){
  .theme-clair .hero{padding-top:18px}
}

/* ---------- formes droites : une marque aux boutons carrés ----------
   his buttons have square corners (measured by the collection): the page follows, nearly square */
.formes-droites{--rayon:4px}
.formes-droites .card{border-radius:6px}
.formes-droites .btn,.formes-droites .opts button,.formes-droites .chips button,.formes-droites select,
.formes-droites .res-main,.formes-droites .res-grid,.formes-droites .option,.formes-droites .etude,.formes-droites .real,
.formes-droites .top__tel,.formes-droites .top__logo--plaque,.formes-droites .foot__logo--plaque{border-radius:3px}

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