/* ECO-H2O : feuille de style du thème.
   Concept : le parcours de l'eau. Bandes profondes = l'eau (héros, engagement, contact), sections claires = la maison.
   Polices : Archivo (variable, largeur 62–125 %) pour titres et texte, Instrument Serif italique pour les mots d'accent,
   chasse fixe du système pour les données (coordonnées, unités, étiquettes). */

:root{
  --surface:#f1f6f9; --paper:#ffffff; --ink:#0b2232; --ink-soft:#4a6274; --line:#d4e2ea;
  --h2o:#0a66ad; --accent-text:#0a5f9f; --aqua:#16a9cf; --eco:#1d8f41; --on-eco:#ffffff;
  --w-raw:#9aa8b1; --w-pot:#0a66ad; --w-treat:#16a9cf; --w-drink:#3fd0ef;
  --band:#0a5fa3; --on-band:#ffffff;
  --deep:#041a2c; --deep-2:#073156; --abyss:#020f1b; --on-deep:#e9f4fa; --on-deep-soft:#a2c2d6; --aqua-bright:#52d9f5;
  --ok:#1d8f41; --err:#b3261e;
  --show-white-logo:none; --show-color-logo:block;
  --font-display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --font-body:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-accent:"Instrument Serif",Georgia,"Times New Roman",serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono","Segoe UI Mono",Consolas,"Liberation Mono",monospace;
  --gutter:clamp(16px,4vw,40px);
  --header-h:76px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --surface:#05182a; --paper:#0a2236; --ink:#e3eff6; --ink-soft:#9db6c6; --line:#1d3b52;
    --h2o:#5ab4ee; --accent-text:#6cc3f3; --aqua:#3cc8ea; --eco:#55c77a; --on-eco:#03210d;
    --w-raw:#61798a; --w-pot:#3f9be0; --w-treat:#3cc8ea; --w-drink:#8ae8fb;
    --band:#0b4c80; --ok:#55c77a; --err:#ff8a80;
    --show-white-logo:block; --show-color-logo:none;
    color-scheme:dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img,svg,video{max-width:100%;height:auto}
img{display:block}
a{color:inherit}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--aqua);outline-offset:3px;border-radius:6px}
.wrap{width:min(1220px,100% - 2*var(--gutter));margin-inline:auto}
.wrap-narrow{width:min(860px,100% - 2*var(--gutter));margin-inline:auto}
.mono{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.04em}
.screen-reader-text,.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--paper);color:var(--ink);padding:10px 16px;border-radius:8px;font-weight:600}
.skip-link:focus{top:12px}
.nowrap{white-space:nowrap}

/* ---------- Boutons et liens ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:44px;padding:.8em 1.35em;border-radius:999px;font:650 .98rem/1.2 var(--font-body);font-stretch:104%;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn .arr{transition:transform .2s ease}
.btn:hover .arr{transform:translate(2px,-2px)}
.btn-primary{background:var(--aqua-bright);color:var(--deep)}
.btn-primary:hover{background:var(--on-deep)}
.btn-ghost{color:var(--on-deep);border-color:color-mix(in srgb,var(--on-deep) 35%,transparent);background:transparent}
.btn-ghost:hover{border-color:var(--on-deep)}
.btn-eco{background:var(--eco);color:var(--on-eco)}
.btn-blue{background:var(--h2o);color:var(--paper)}
.btn-line{color:var(--ink);border-color:var(--line);background:var(--paper)}
.btn-line:hover{border-color:var(--h2o)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.text-link{color:var(--accent-text);font-weight:650;text-decoration:none;background:linear-gradient(currentColor,currentColor) left bottom/100% 1.5px no-repeat;padding-bottom:2px;transition:background-size .3s ease}
.text-link:hover{background-size:0 1.5px;background-position:right bottom}
.ext-link{font-size:.92rem;color:var(--ink-soft);text-decoration:none;font-weight:550}
.ext-link:hover{color:var(--ink);text-decoration:underline}
.soon-tag{display:inline-block;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:color-mix(in srgb,var(--aqua) 16%,transparent);color:var(--accent-text);vertical-align:2px;white-space:nowrap}

/* ---------- En-tête ---------- */
.site-header{position:fixed;top:0;inset-inline:0;z-index:50;padding-top:env(safe-area-inset-top,0px);color:var(--on-deep);transition:background-color .35s ease,box-shadow .35s ease,color .35s ease}
.site-header.scrolled,.site-header.is-open{background:color-mix(in srgb,var(--paper) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:38px;width:auto}
.logo-color{display:none}
.scrolled .logo-light,.is-open .logo-light{display:var(--show-white-logo)}
.scrolled .logo-color,.is-open .logo-color{display:var(--show-color-logo)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:clamp(14px,1.8vw,30px);list-style:none;margin:0;padding:0}
.main-nav a{display:inline-block;text-decoration:none;font-size:.97rem;font-weight:560;padding-block:8px;background:linear-gradient(currentColor,currentColor) left bottom/0 1.5px no-repeat;transition:background-size .25s ease}
.main-nav a:hover,.main-nav a[aria-current="page"]{background-size:100% 1.5px}
.header-shop{padding:.6em 1.1em;min-height:40px;font-size:.9rem;color:inherit;border-color:color-mix(in srgb,currentColor 35%,transparent)}
.header-shop:hover{border-color:currentColor}
.burger{display:none;margin-left:auto;background:none;border:1px solid color-mix(in srgb,currentColor 35%,transparent);color:inherit;border-radius:999px;min-height:44px;padding:.55em 1.1em;font:600 .92rem var(--font-body);cursor:pointer}
.mnav{position:fixed;top:calc(var(--header-h) + env(safe-area-inset-top,0px));inset-inline:0;z-index:49;max-height:calc(100dvh - var(--header-h));overflow-y:auto;background:var(--paper);color:var(--ink);border-bottom:1px solid var(--line);padding:8px var(--gutter) 28px}
.admin-bar .mnav{top:calc(var(--header-h) + 46px)}
.mnav ul{list-style:none;margin:0;padding:0;display:grid}
.mnav a{display:block;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:600;font-size:1.1rem}
.mnav .btn{margin-top:20px;width:100%}

/* ---------- Héros de l'accueil ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;color:var(--on-deep);
  background:radial-gradient(120% 90% at 85% 0%,#0d5f99 0%,transparent 55%),linear-gradient(180deg,var(--deep) 0%,var(--deep-2) 100%);
  padding-block:calc(var(--header-h) + 74px + env(safe-area-inset-top,0px)) clamp(88px,10vw,150px)}
.ripple{position:absolute;inset:0;width:100%;height:100%;z-index:-1;display:block}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:40%;z-index:-1;pointer-events:none;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--deep) 55%,transparent))}
.hero h1{margin:0}
.kicker{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:.8rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--aqua-bright);margin:0 0 26px}
.kicker::before{content:"";width:28px;height:1.5px;background:currentColor;flex-shrink:0}
.statement{display:block;font-family:var(--font-display);font-size:clamp(3rem,8vw,7.2rem);font-weight:820;font-stretch:120%;line-height:.92;letter-spacing:-.03em;max-width:12.5ch;text-wrap:balance}
.statement em{display:block;font-family:var(--font-accent);font-style:italic;font-weight:400;font-stretch:100%;letter-spacing:-.01em;font-size:1.04em;line-height:1;color:var(--aqua-bright)}
.lede{max-width:56ch;font-size:clamp(1.05rem,1.35vw,1.25rem);color:var(--on-deep-soft);margin:34px 0 0}
.lede strong{color:var(--on-deep);font-weight:600}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-brands{list-style:none;margin:44px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
.hero-brands a{display:flex;align-items:center;gap:12px;padding:12px 18px 12px 12px;border-radius:16px;text-decoration:none;background:color-mix(in srgb,var(--on-deep) 7%,transparent);border:1px solid color-mix(in srgb,var(--on-deep) 16%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:border-color .2s ease,background-color .2s ease}
.hero-brands a:hover{border-color:color-mix(in srgb,var(--on-deep) 50%,transparent);background:color-mix(in srgb,var(--on-deep) 12%,transparent)}
.hb-logo{width:40px;height:40px;border-radius:11px;background:#ffffff;display:grid;place-items:center;flex-shrink:0;overflow:hidden}
.hb-logo img{width:30px;height:auto}
.hb-logo.purup{background:transparent}
.hb-logo.purup img{width:40px}
.hero-brands b{display:block;font-size:1rem;line-height:1.2}
.hero-brands small{display:block;font-family:var(--font-mono);font-size:.75rem;color:var(--on-deep-soft)}
.hero-brands .arr{margin-left:6px;color:var(--aqua-bright)}

/* ---------- En-tête des pages intérieures ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;color:var(--on-deep);
  background:radial-gradient(90% 120% at 100% 0%,#0d5f99 0%,transparent 60%),linear-gradient(180deg,var(--deep) 0%,var(--deep-2) 100%);
  padding-block:calc(var(--header-h) + 40px + env(safe-area-inset-top,0px)) clamp(48px,7vw,88px)}
.page-hero::before{content:"";position:absolute;inset:auto -10% -1px -10%;height:90px;z-index:-1;opacity:.5;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 90' preserveAspectRatio='none'%3E%3Cpath d='M0 50 C200 10 400 90 600 50 S1000 10 1200 50' fill='none' stroke='%2352d9f5' stroke-opacity='.35' stroke-width='1.5'/%3E%3Cpath d='M0 70 C220 30 420 100 640 66 S1020 34 1200 70' fill='none' stroke='%2352d9f5' stroke-opacity='.2' stroke-width='1.5'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(28px,5vw,72px);align-items:center}
.page-hero h1{font-family:var(--font-display);font-size:clamp(2.4rem,5.6vw,4.6rem);font-weight:800;font-stretch:116%;line-height:.98;letter-spacing:-.028em;margin:0;text-wrap:balance}
.page-hero h1 em{font-family:var(--font-accent);font-style:italic;font-weight:400;font-stretch:100%;letter-spacing:-.01em;color:var(--aqua-bright)}
.page-hero .lede{margin-top:24px}
.page-hero .btn-row{margin-top:30px}
.page-hero-visual{position:relative;justify-self:center;width:100%;max-width:440px}
.page-hero-visual img{width:100%}
.page-hero.is-light{color:var(--ink);background:var(--surface)}
.page-hero.is-light::before{display:none}
.page-hero.is-light .kicker,.page-hero.is-light h1 em{color:var(--accent-text)}
.page-hero.is-light .lede{color:var(--ink-soft)}
.breadcrumbs{font-family:var(--font-mono);font-size:.76rem;color:var(--on-deep-soft);margin:0 0 28px}
.breadcrumbs a{text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs .sep{margin-inline:8px;opacity:.6}
.page-hero.is-light .breadcrumbs{color:var(--ink-soft)}

/* ---------- Repères chiffrés ---------- */
.proof{background:var(--paper);border-bottom:1px solid var(--line)}
.proof-grid{display:grid;grid-template-columns:repeat(4,auto) minmax(0,1fr);gap:20px clamp(24px,4vw,56px);align-items:center;padding-block:30px}
.proof-item{display:grid;gap:2px}
.proof-item b{font-family:var(--font-display);font-size:1.75rem;font-weight:800;font-stretch:115%;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.proof-item span{font-size:.88rem;color:var(--ink-soft);line-height:1.3}
.proof-retail{justify-self:end;text-align:right}
.proof-retail b{font-family:var(--font-body);font-size:1rem;font-weight:650;font-stretch:100%;letter-spacing:0}

/* ---------- Sections ---------- */
.section{padding-block:clamp(72px,9vw,128px)}
.section.tight{padding-block:clamp(48px,6vw,80px)}
.bg-surface{background:var(--surface)}
.bg-paper{background:var(--paper)}
.section-head{max-width:780px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{font-family:var(--font-mono);font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-text);margin:0 0 18px}
h2,.h2{font-family:var(--font-display);font-size:clamp(2.1rem,4.6vw,3.8rem);font-weight:790;font-stretch:114%;line-height:1;letter-spacing:-.025em;margin:0 0 22px;text-wrap:balance}
h2 em,.h2 em{font-family:var(--font-accent);font-style:italic;font-weight:400;font-stretch:100%;letter-spacing:-.01em;color:var(--accent-text)}
.section-head p{font-size:1.15rem;color:var(--ink-soft);max-width:62ch;margin:0}
.section-head.center p{margin-inline:auto}
h3{font-family:var(--font-display);font-weight:720;font-stretch:108%;letter-spacing:-.01em;line-height:1.15;margin:0}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:60ch}

/* ---------- Parcours de l'eau (schéma) ---------- */
.plan{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:clamp(10px,2vw,28px) clamp(10px,2vw,28px) 18px}
.plan-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.plan svg{display:block;width:100%;height:auto}
.plan figcaption{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;color:var(--ink-soft);padding:14px 4px 0;border-top:1px dashed var(--line);margin-top:8px}
.plan figcaption .legend-title{margin-right:auto}
.sw{display:inline-flex;align-items:center;gap:8px}
.sw::before{content:"";width:22px;height:6px;border-radius:3px;background:var(--c)}
.p-soil-line{stroke:var(--line);stroke-width:1}
.p-ground{stroke:var(--ink-soft);stroke-width:1.5}
.p-nappe{fill:color-mix(in srgb,var(--aqua) 20%,transparent)}
.p-house{fill:none;stroke:var(--ink);stroke-width:2;stroke-linejoin:round}
.p-slab{fill:var(--line)}
.p-partition{stroke:var(--line);stroke-width:1.5;stroke-dasharray:5 5}
.p-room,.p-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;fill:var(--ink-soft)}
.p-room{font-weight:500}
.p-fixture{fill:var(--paper);stroke:var(--ink-soft);stroke-width:1.5}
.p-fixture-line{fill:none;stroke:var(--ink-soft);stroke-width:1.5;stroke-linecap:round}
.pipe{fill:none;stroke-width:7;stroke-linecap:round;stroke-linejoin:round}
.pipe.raw{stroke:var(--w-raw)}
.pipe.pot{stroke:var(--w-pot)}
.pipe.treat{stroke:var(--w-treat)}
.pipe.drink{stroke:var(--w-drink)}
.pipe.dashed{stroke-dasharray:9 7;stroke-linecap:butt}
.flow{fill:none;stroke:var(--paper);stroke-opacity:.85;stroke-width:2.4;stroke-linecap:round;stroke-dasharray:2 14;animation:flow 1.15s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
.u-uf{fill:var(--paper);stroke:var(--ink);stroke-width:1.8}
.u-uf-tube{fill:color-mix(in srgb,var(--w-pot) 18%,var(--paper));stroke:var(--ink);stroke-width:1.2}
.u-sphere{fill:var(--eco);stroke:color-mix(in srgb,var(--eco) 70%,var(--ink));stroke-width:1.5}
.u-sphere-band{fill:var(--paper);opacity:.92}
.u-pur{fill:color-mix(in srgb,var(--w-drink) 22%,var(--paper));stroke:var(--ink);stroke-width:1.6}
.drop{fill:var(--w-drink);animation:fall 1.4s ease-in infinite;transform-box:fill-box}
.drop.d2{animation-delay:.7s}
.shower .drop{animation-duration:1.1s}
@keyframes fall{0%{transform:translateY(0);opacity:0}15%{opacity:1}100%{transform:translateY(34px);opacity:0}}
.zone{fill:color-mix(in srgb,var(--aqua) 13%,transparent);stroke:var(--aqua);stroke-width:1.5;stroke-dasharray:3 5;opacity:0;transition:opacity .3s ease}
.p-opt{opacity:.55;transition:opacity .3s ease}
.badge{cursor:pointer}
.badge circle{fill:var(--ink);transition:fill .2s ease}
.badge text{fill:var(--paper);font-family:var(--font-body);font-size:13px;font-weight:750;text-anchor:middle}
.plan[data-active="1"] .zone[data-step="1"],.plan[data-active="2"] .zone[data-step="2"],.plan[data-active="opt"] .zone[data-step="opt"],.plan[data-active="opt"] .p-opt{opacity:1}
.plan[data-active="1"] .badge[data-step="1"] circle,.plan[data-active="2"] .badge[data-step="2"] circle{fill:var(--h2o)}

.steps{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.step{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px 26px 26px;display:flex;flex-direction:column;gap:12px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease}
.step.is-active{border-color:var(--h2o);transform:translateY(-3px);box-shadow:0 18px 40px -24px color-mix(in srgb,var(--h2o) 60%,transparent)}
.step-top{display:flex;align-items:center;gap:12px}
.num{width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-weight:750;font-size:.9rem;flex-shrink:0;transition:background-color .2s ease}
.step.is-active .num{background:var(--h2o)}
.where{color:var(--ink-soft);text-transform:uppercase}
.step h3{font-size:1.4rem}
.step p{margin:0;color:var(--ink-soft)}
.step-links{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center}
.step-opt{margin-top:16px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px 24px;align-items:center;padding:16px 22px;border:1px dashed var(--line);border-radius:14px;color:var(--ink-soft);font-size:.95rem;transition:border-color .25s ease}
.step-opt p{margin:0}
.step-opt b{color:var(--ink);font-weight:600}
.step-opt.is-active{border-color:var(--aqua)}

/* ---------- Marques ---------- */
.brand-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:22px;align-items:stretch}
.brand-card{position:relative;border-radius:26px;overflow:hidden;padding:clamp(26px,3.4vw,46px)}
.brand-card h3{font-size:clamp(1.5rem,2.3vw,2rem);line-height:1.1}
.brand-card p{margin:0;color:var(--ink-soft)}
.brand-eco{background:color-mix(in srgb,var(--eco) 8%,var(--paper));border:1px solid color-mix(in srgb,var(--eco) 26%,var(--line));display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:center}
.brand-body{display:flex;flex-direction:column;gap:18px;min-width:0}
.brand-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.eco-logo{height:40px;width:auto}
.status{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;white-space:nowrap}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.status.live{color:var(--eco);background:color-mix(in srgb,var(--eco) 14%,transparent)}
.status.soon{color:var(--aqua-bright);background:color-mix(in srgb,var(--aqua-bright) 14%,transparent)}
.deep-links{list-style:none;margin:4px 0 6px;padding:0;border-top:1px solid color-mix(in srgb,var(--eco) 22%,var(--line))}
.deep-links a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:10px 2px;border-bottom:1px solid color-mix(in srgb,var(--eco) 22%,var(--line));text-decoration:none;font-weight:600}
.deep-links a span{color:var(--eco);transition:transform .2s ease}
.deep-links a:hover span{transform:translateX(4px)}
.brand-eco .btn{align-self:flex-start}
.retail-note{color:var(--ink-soft)}
.brand-visual{width:100%;max-width:420px;justify-self:center;filter:drop-shadow(0 30px 40px color-mix(in srgb,var(--ink) 25%,transparent))}
.brand-purup{background:radial-gradient(90% 70% at 80% 85%,color-mix(in srgb,var(--aqua-bright) 26%,transparent),transparent 70%),var(--deep);color:var(--on-deep);display:flex;flex-direction:column;gap:18px;min-height:100%}
.brand-purup p{color:var(--on-deep-soft);max-width:40ch}
.purup-logo{height:34px;width:auto}
.brand-purup .btn-row{margin-top:6px}
.brand-purup .ext-link{color:var(--on-deep-soft)}
.brand-purup .ext-link:hover{color:var(--on-deep)}
.teaser{position:relative;margin-top:auto;height:200px;pointer-events:none}
.teaser span{position:absolute;left:62%;top:58%;width:28px;height:28px;margin:-14px 0 0 -14px;border-radius:50%;border:1.5px solid var(--aqua-bright);opacity:0;animation:ring 4.5s ease-out infinite}
.teaser span:nth-child(3){animation-delay:1.5s}
.teaser span:nth-child(4){animation-delay:3s}
.teaser i{position:absolute;left:62%;top:58%;width:10px;height:14px;margin:-40px 0 0 -5px;background:var(--aqua-bright);border-radius:50% 50% 50% 50%/60% 60% 40% 40%;animation:drip 4.5s ease-in infinite}
@keyframes ring{0%{transform:scale(.4);opacity:.9}100%{transform:scale(9);opacity:0}}
@keyframes drip{0%{transform:translateY(-30px);opacity:0}10%{opacity:1}30%{transform:translateY(26px);opacity:1}33%,100%{transform:translateY(26px);opacity:0}}
.teaser-caption{position:absolute;left:0;bottom:0;margin:0;color:var(--on-deep-soft)}

/* ---------- Engagement (bande profonde) ---------- */
.deep-band{background:linear-gradient(180deg,var(--deep) 0%,var(--abyss) 100%);color:var(--on-deep)}
.deep-band h2 em,.deep-band .eyebrow{color:var(--aqua-bright)}
.deep-band .section-head p,.deep-band .lead{color:var(--on-deep-soft)}
.zeros{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px);margin:0;padding:0;list-style:none}
.zero{display:grid;gap:12px;align-content:start;border-top:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent);padding-top:22px}
.zero-num{font-family:var(--font-display);font-size:clamp(7rem,15vw,12.5rem);font-weight:900;font-stretch:125%;line-height:.82;letter-spacing:-.04em;color:var(--aqua-bright);width:max-content;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='400' viewBox='0 0 240 400' preserveAspectRatio='none'%3E%3Cpath d='M0 210 Q60 186 120 210 T240 210 V400 H0Z' fill='%2352d9f5'/%3E%3C/svg%3E") 0 0/240px 100% repeat-x;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;-webkit-text-stroke:2px var(--aqua-bright);animation:tide 7s linear infinite}
@keyframes tide{to{background-position:240px 0}}
.zero-unit{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--aqua-bright)}
.zero p{margin:0;color:var(--on-deep-soft);max-width:34ch}
.more-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:clamp(48px,6vw,80px)}
.more-item{border:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent);border-radius:18px;padding:26px 28px;display:grid;gap:8px;align-content:start}
.more-item h3{font-size:1.3rem}
.more-item p{margin:0;color:var(--on-deep-soft)}

/* ---------- Atelier ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,90px);align-items:center}
.split.reverse > :first-child{order:2}
.mosaic{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;position:relative;margin:0}
.mosaic figure{margin:0;position:relative}
.mosaic figure img{width:100%;aspect-ratio:6/7;object-fit:cover;border-radius:18px}
.mosaic figure:nth-child(even){transform:translateY(28px)}
.mosaic figcaption{position:absolute;left:10px;bottom:10px;right:10px;font-family:var(--font-mono);font-size:.75rem;color:#ffffff;background:rgba(4,26,44,.72);padding:5px 9px;border-radius:8px;width:max-content;max-width:calc(100% - 20px)}
.badge-occitanie{position:absolute;right:-14px;top:-24px;width:96px;transform:rotate(8deg);filter:drop-shadow(0 10px 20px rgba(0,0,0,.18))}
.facts{margin:0;display:grid;border-top:1px solid var(--line)}
.fact{display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.fact dt{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text);padding-top:3px}
.fact dd{margin:0}
.place{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;color:var(--ink-soft)}
.place b{color:var(--ink);font-weight:600}

/* ---------- Sphère annotée ---------- */
.cutaway{position:relative;margin:0;width:100%;max-width:520px;justify-self:center}
.cutaway img{width:100%}
.tag{position:absolute;transform:translate(-50%,-50%);display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--ink);font-family:var(--font-mono);font-size:.74rem;white-space:nowrap;font-size:.75rem;box-shadow:0 6px 18px -10px color-mix(in srgb,var(--ink) 50%,transparent)}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--h2o)}
.tag.co2::before{background:#e8832a}
.tag.kdf::before{background:#c99a2e}
.tag.rock::before{background:#9b4a2c}
.cutaway figcaption{margin-top:14px;color:var(--ink-soft);text-align:center}

/* ---------- Dirigeant ---------- */
.quote-grid{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(28px,5vw,70px);align-items:center;max-width:1040px}
.portrait{width:clamp(130px,16vw,200px);aspect-ratio:1;border-radius:50%;object-fit:cover}
blockquote{margin:0}
blockquote p{font-family:var(--font-accent);font-style:italic;font-size:clamp(1.8rem,3.4vw,2.9rem);line-height:1.12;margin:0 0 22px;text-wrap:balance}
.cite{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:baseline}
.cite b{font-weight:700}
.cite span{color:var(--ink-soft);font-size:.95rem}

/* ---------- Professionnels (bande bleue) ---------- */
.pros{background:var(--band);color:var(--on-band)}
.pros .eyebrow,.pros h2 em{color:var(--on-band);opacity:.85}
.pros p{margin:0;font-size:1.15rem;opacity:.92;max-width:52ch}
.pro-links{display:grid;gap:12px}
.pro-link{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 16px;padding:18px 22px;border-radius:16px;border:1px solid color-mix(in srgb,var(--on-band) 30%,transparent);text-decoration:none;transition:background-color .2s ease,border-color .2s ease}
.pro-link:hover{background:color-mix(in srgb,var(--on-band) 10%,transparent);border-color:var(--on-band)}
.pro-link b{font-size:1.1rem}
.pro-link small{grid-column:1;opacity:.82;font-size:.92rem}
.pro-link .arr{grid-row:1 / span 2;grid-column:2;font-size:1.3rem}

/* ---------- Cartes génériques ---------- */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:10px}
.bg-paper .card{background:var(--surface);border-color:transparent}
.card h3{font-size:1.25rem}
.card p{margin:0;color:var(--ink-soft)}
.card ul{margin:4px 0 0;padding-left:1.1em;color:var(--ink-soft)}
.card li{margin-bottom:6px}
.card .card-foot{margin-top:auto;padding-top:12px}
.card-kicker{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text)}
.card.is-dark{background:var(--deep);color:var(--on-deep);border-color:transparent}
.card.is-dark p,.card.is-dark li{color:var(--on-deep-soft)}

/* ---------- Guides (liens vers les boutiques) ---------- */
.guides{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.guide{height:100%;display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:16px;background:var(--paper);border:1px solid var(--line);text-decoration:none;transition:border-color .2s ease,transform .2s ease}
.guide:hover{border-color:var(--h2o);transform:translateY(-3px)}
.guide .mono{color:var(--ink-soft);text-transform:uppercase}
.guide b{font-family:var(--font-display);font-size:1.18rem;font-weight:700;font-stretch:106%;line-height:1.25}
.guide em{margin-top:auto;font-style:normal;color:var(--accent-text);font-weight:600;font-size:.92rem}

/* ---------- Tableau comparatif (cartes sur mobile) ---------- */
.compare{width:100%;border-collapse:separate;border-spacing:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;font-size:1rem}
.compare th,.compare td{padding:16px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.compare tr:last-child th,.compare tr:last-child td{border-bottom:0}
.compare thead th{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);background:var(--surface)}
.compare thead th.is-us{color:var(--eco)}
.compare tbody th{font-weight:650;width:24%}
.compare td.is-us{background:color-mix(in srgb,var(--eco) 6%,var(--paper));font-weight:550}
.compare-note{margin-top:12px;color:var(--ink-soft);font-size:.9rem}

/* ---------- Microscope ---------- */
.meb{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:0}
.meb figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.meb img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.meb figcaption{padding:16px 18px;display:grid;gap:4px}
.meb figcaption b{font-size:1.05rem}
.meb figcaption span{color:var(--ink-soft);font-size:.93rem}

/* ---------- Étapes numérotées (consigne, process) ---------- */
.process{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:st}
.process li{counter-increment:st;position:relative;padding:24px 22px 22px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}
.process li::before{content:counter(st);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--eco);color:var(--on-eco);font-weight:750;margin-bottom:14px}
.process b{display:block;font-size:1.08rem;margin-bottom:6px}
.process span{color:var(--ink-soft);font-size:.95rem}

/* ---------- Frise chronologique ---------- */
.timeline{list-style:none;margin:0;padding:0;position:relative;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:94px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--aqua),var(--h2o))}
.tl{display:grid;grid-template-columns:80px minmax(0,1fr);gap:40px;padding:0 0 38px;position:relative}
.tl:last-child{padding-bottom:0}
.tl::after{content:"";position:absolute;left:88px;top:10px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--h2o)}
.tl-year{font-family:var(--font-display);font-size:1.5rem;font-weight:800;font-stretch:115%;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--accent-text)}
.tl h3{font-size:1.3rem;margin-bottom:6px}
.tl p{margin:0;color:var(--ink-soft);max-width:60ch}

/* ---------- Presse et partenaires ---------- */
.press{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.press li{padding:24px;border-radius:16px;background:var(--paper);border:1px solid var(--line);display:grid;gap:10px}
.press .mono{color:var(--ink-soft);text-transform:uppercase}
.press q{font-family:var(--font-accent);font-style:italic;font-size:1.35rem;line-height:1.2}
.partners{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:24px 0 0;padding:0}
.partners li{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-weight:600;font-size:.95rem}
.region{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px;padding:20px 22px;border-radius:16px;background:var(--paper);border:1px solid var(--line)}
.region img{height:54px;width:auto}
.region p{margin:0;color:var(--ink-soft);max-width:60ch}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:clamp(32px,5vw,80px);align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:44px;padding:20px 0;font-weight:650;font-size:1.1rem}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";flex-shrink:0;width:14px;height:14px;background:linear-gradient(var(--ink),var(--ink)) center/100% 2px no-repeat,linear-gradient(var(--ink),var(--ink)) center/2px 100% no-repeat;transition:transform .25s ease}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .faq-a{margin:0 0 22px;color:var(--ink-soft);max-width:66ch}
.faq-list .faq-a a{color:var(--accent-text)}

/* ---------- Contact ---------- */
.contact-band{background:linear-gradient(180deg,var(--deep-2) 0%,var(--deep) 100%);color:var(--on-deep)}
.contact-band h2 em,.contact-band .eyebrow{color:var(--aqua-bright)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:end}
.contact-band p{color:var(--on-deep-soft);font-size:1.15rem;margin:0 0 30px;max-width:46ch}
.coords{margin:0;display:grid;border-top:1px solid color-mix(in srgb,currentColor 18%,transparent)}
.coords > div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid color-mix(in srgb,currentColor 18%,transparent)}
.coords dt{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text);padding-top:4px}
.contact-band .coords dt{color:var(--aqua-bright)}
.coords dd{margin:0;font-size:1.1rem}
.coords a{text-decoration:none}
.coords a:hover{text-decoration:underline}

/* Formulaire */
.form-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:clamp(22px,3vw,36px)}
.ec-form{display:grid;gap:16px}
.ec-form .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.ec-form p{margin:0}
.ec-form label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
.ec-form .opt{font-weight:400;color:var(--ink-soft);opacity:1}
.ec-form input,.ec-form select,.ec-form textarea{width:100%;font:400 16px/1.4 var(--font-body);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:48px}
.ec-form textarea{min-height:150px;resize:vertical}
.ec-form input:focus,.ec-form select:focus,.ec-form textarea:focus{outline:none;border-color:var(--h2o);box-shadow:0 0 0 3px color-mix(in srgb,var(--h2o) 25%,transparent)}
.chips{display:flex;flex-wrap:wrap;gap:8px;border:0;margin:0;padding:0}
.chips legend{font-weight:600;font-size:.95rem;margin-bottom:8px;padding:0}
.chips label{margin:0;font-weight:550;font-size:.92rem}
.chips input{position:absolute;opacity:0;width:1px;height:1px;min-height:0}
.chips span{display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);cursor:pointer;transition:border-color .2s ease,background-color .2s ease}
.chips input:checked + span{border-color:var(--h2o);background:color-mix(in srgb,var(--h2o) 12%,transparent);color:var(--accent-text)}
.chips input:focus-visible + span{outline:3px solid var(--aqua);outline-offset:2px}
.hp{position:absolute!important;left:-9999px!important}
.small{font-size:.86rem;color:var(--ink-soft)}
.notice{padding:14px 16px;border-radius:12px;font-weight:550}
.notice.is-ok{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.notice.is-err{background:color-mix(in srgb,var(--err) 12%,transparent);color:var(--err)}

/* ---------- Pages de contenu (pages légales) ---------- */
.prose{font-size:1.05rem;max-width:72ch}
.prose h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:2.2em 0 .6em}
.prose h3{font-size:1.25rem;margin:1.8em 0 .5em}
.prose p,.prose ul,.prose ol{margin:0 0 1.1em}
.prose li{margin-bottom:.4em}
.prose a{color:var(--accent-text)}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.95rem}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose .card-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px;margin:0 0 1.4em;padding:0;list-style:none}
.prose .card-list li{margin:0;padding:18px 20px;border-radius:14px;background:var(--surface)}
.updated{font-family:var(--font-mono);font-size:.8rem;color:var(--ink-soft)}

/* ---------- Pied de page ---------- */
.site-footer{background:var(--abyss);color:var(--on-deep-soft);padding-block:64px calc(32px + env(safe-area-inset-bottom,0px));font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:32px}
.footer-grid h2{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--on-deep);margin:0 0 14px;font-weight:500;font-stretch:100%;line-height:1.4}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.footer-grid a{text-decoration:none;display:inline-block;padding-block:3px}
.footer-grid a:hover{color:var(--on-deep);text-decoration:underline}
.footer-brand img{height:34px;width:auto;margin-bottom:16px}
.footer-brand p{margin:0 0 14px;max-width:36ch}
.footer-brand address{font-style:normal;line-height:1.5}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:22px;border-top:1px solid color-mix(in srgb,var(--on-deep) 12%,transparent);font-size:.85rem}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-bottom a{text-decoration:none;display:inline-block;padding-block:6px}
.footer-bottom a:hover{color:var(--on-deep);text-decoration:underline}

/* ---------- Images arrondies, cartes cliquables ---------- */
img.rounded{width:100%;border-radius:22px}
img.wide{aspect-ratio:16/8;object-fit:cover}
a.card{transition:border-color .2s ease,transform .2s ease}
a.card:hover{border-color:var(--h2o);transform:translateY(-2px)}
a.card p{color:var(--ink)}

/* ---------- 404 ---------- */
.notfound{min-height:60vh;display:grid;align-content:center}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav,.header-shop{display:none}
  .burger{display:inline-flex}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof-retail{grid-column:1 / -1;justify-self:start;text-align:left}
  .brand-grid{grid-template-columns:minmax(0,1fr)}
  .teaser{height:150px}
  .cards.four,.process{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .steps,.guides,.cards,.cards.two,.press{grid-template-columns:minmax(0,1fr)}
  .step-opt{grid-template-columns:minmax(0,1fr)}
  .zeros{grid-template-columns:minmax(0,1fr);gap:8px}
  .zero{grid-template-columns:auto minmax(0,1fr);align-items:center;column-gap:22px}
  .zero-num{grid-row:span 2;font-size:clamp(6rem,24vw,8rem)}
  .more-grid,.split,.faq-grid,.contact-grid,.page-hero-grid{grid-template-columns:minmax(0,1fr)}
  .split.reverse > :first-child{order:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .page-hero-visual{max-width:340px}
}
@media (max-width:760px){
  .plan svg{min-width:740px}
  .brand-eco{grid-template-columns:minmax(0,1fr)}
  .brand-visual{max-width:300px}
  .quote-grid{grid-template-columns:minmax(0,1fr)}
  .fact{grid-template-columns:minmax(0,1fr);gap:6px}
  .coords > div{grid-template-columns:minmax(0,1fr);gap:4px}
  .ec-form .row,.meb{grid-template-columns:minmax(0,1fr)}
  .cards.four,.process{grid-template-columns:minmax(0,1fr)}
  .timeline::before{left:7px}
  .tl{grid-template-columns:minmax(0,1fr);gap:6px;padding-left:34px}
  .tl::after{left:1px}
  /* Tableau comparatif : chaque ligne devient une carte, toutes les colonnes restent visibles */
  .compare,.compare tbody,.compare tr,.compare th,.compare td{display:block;width:100%}
  .compare{border:0;background:none;border-radius:0}
  .compare thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .compare tr{background:var(--paper);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden}
  .compare tbody th{width:100%;background:var(--surface)}
  .compare td{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:12px}
  .compare td::before{content:attr(data-label);font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);padding-top:2px}
  .compare tr td:last-child{border-bottom:0}
  .mosaic figure:nth-child(even){transform:none}
  .badge-occitanie{width:76px;right:-6px;top:-18px}
}
@media (max-width:520px){
  .zero{grid-template-columns:minmax(0,1fr)}
  .zero-num{grid-row:auto}
  .hero-ctas .btn,.page-hero .btn-row .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .hero-brands li,.hero-brands a{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .teaser span{opacity:.5;transform:scale(3)}
}
@media print{
  .site-header,.mnav,.ripple,.site-footer,.hero-ctas,.btn{display:none!important}
  .hero,.page-hero,.deep-band,.contact-band,.pros{background:none!important;color:#000!important}
}

/* Cibles tactiles : liens isolés au moins 32 px de haut */
.card-foot a,.step-links a,.compare-note a,.brand-purup .ext-link,.step-opt .ext-link{display:inline-block;padding-block:6px}