/* NTA Elec — feuille de style unique. Couleurs et tailles modifiables ici. */
:root{
  --navy:#011e5a;
  --blue:#2f5fc4;
  --blue-soft:#e6f1fd;
  --blue-mid:#bfdcf7;
  --yellow:#fecf1e;
  --yellow-dark:#e8b800;
  --ink:#1d1e20;
  --muted:#4a5572;
  --bg:#f7f9fc;
  --white:#fff;
  --wa:#1fa855;
  --radius:16px;
  --shadow:0 6px 24px rgba(1,30,90,.08);
  --wrap:1180px;
  --head-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 12px)}
body{margin:0;font-family:Poppins,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.65;color:var(--navy);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
h1,h2,h3{font-family:"Anton SC",Anton,Impact,sans-serif;font-weight:400;line-height:1.1;margin:0 0 .5em;color:var(--navy);letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:clamp(1.25rem,2vw,1.5rem)}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:clamp(48px,8vw,88px) 0}
.section--white{background:var(--white)}
.section--navy{background:var(--navy);color:#dfe8fb}
.section--navy h2,.section--navy h3{color:var(--white)}
.eyebrow{display:inline-block;font-family:"Anton SC",Anton,sans-serif;font-size:.95rem;letter-spacing:.08em;color:var(--blue);margin-bottom:.5rem}
.section--navy .eyebrow{color:var(--yellow)}
.lead{font-size:1.1rem;color:var(--muted);max-width:680px}
.section--navy .lead{color:#c9d6f2}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.85em 1.4em;border-radius:999px;font-weight:500;text-decoration:none;border:2px solid transparent;transition:transform .15s,background .15s;cursor:pointer;font-size:1rem;font-family:inherit;line-height:1.2}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn--yellow{background:var(--yellow);color:var(--navy)}.btn--yellow:hover{background:var(--yellow-dark)}
.btn--navy{background:var(--navy);color:#fff}.btn--navy:hover{background:#0a2b73}
.btn--ghost{border-color:currentColor;color:var(--navy);background:transparent}
.section--navy .btn--ghost{color:#fff}
.btn--wa{background:var(--wa);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.center .btn-row{justify-content:center}

/* En-tête */
.head{position:sticky;top:0;z-index:50;background:var(--yellow);box-shadow:0 2px 12px rgba(1,30,90,.12)}
.head .wrap{display:flex;align-items:center;gap:20px;height:var(--head-h)}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:52px;width:auto}
.nav{margin-left:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px}
.nav a{display:block;padding:.5em .9em;border-radius:999px;color:var(--navy);text-decoration:none;font-weight:500}
.nav a:hover,.nav a[aria-current=page]{background:rgba(1,30,90,.1)}
.head-cta{display:flex;gap:8px;align-items:center}
.head-tel{font-weight:600;color:var(--navy);text-decoration:none;white-space:nowrap;display:flex;align-items:center;gap:6px}
.head-tel svg{width:18px;height:18px}
.burger{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer;color:var(--navy)}
.burger svg{width:28px;height:28px}

/* Héros */
.hero{background:linear-gradient(180deg,var(--white) 0%,var(--bg) 100%);padding:clamp(40px,7vw,80px) 0 clamp(40px,6vw,64px)}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.hero h1 span{color:var(--blue)}
.hero-visual{background:var(--blue-soft);border-radius:24px;padding:28px;display:flex;justify-content:center}
.hero-visual img{width:min(100%,320px)}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px;padding:0;list-style:none}
.badges li{background:var(--white);border:1px solid var(--blue-mid);border-radius:999px;padding:.35em .9em;font-size:.88rem;font-weight:500;display:flex;align-items:center;gap:6px}
.badges li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow-dark)}

/* Cartes */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid #e3eaf6;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .15s,border-color .15s}
a.card:hover{transform:translateY(-3px);border-color:var(--yellow)}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:0}
.card .more{margin-top:auto;padding-top:14px;font-weight:600;color:var(--blue);font-size:.92rem}
.card-ico{width:56px;height:56px;border-radius:14px;background:var(--blue-soft);display:grid;place-items:center;margin-bottom:16px}
.card-ico img{width:34px;height:34px;object-fit:contain}
.card--accent{background:var(--navy);color:#dfe8fb;border-color:var(--navy)}
.card--accent h3{color:#fff}.card--accent p{color:#c9d6f2}
.card--accent .card-ico{background:rgba(255,255,255,.12)}

/* Bloc image + texte */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split--rev .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;object-fit:cover}
.checks{list-style:none;padding:0;margin:0 0 1.2em}
.checks li{padding-left:30px;position:relative;margin-bottom:.55em}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23011e5a' stroke-width='3.5'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/12px no-repeat}

/* Certifications */
.certs{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(20px,4vw,48px);margin-top:28px}
.certs a{display:block;background:#fff;border-radius:12px;padding:12px 18px;box-shadow:var(--shadow)}
.certs img{height:78px;width:auto;object-fit:contain}

/* Marques */
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:28px}
.brands a{background:#fff;border-radius:12px;height:76px;display:grid;place-items:center;padding:12px 16px;border:1px solid #e3eaf6}
.brands img{max-height:40px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.2s}
.brands a:hover img{filter:none;opacity:1}

/* Tarifs */
.price{font-family:"Anton SC",Anton,sans-serif;font-size:1.6rem;color:var(--blue);margin:.2em 0 .4em}
.price small{font-family:Poppins,sans-serif;font-size:.8rem;color:var(--muted)}

/* Vidéo (chargée au clic) */
.video{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#000;box-shadow:var(--shadow);cursor:pointer;border:0;padding:0;width:100%}
.video img{width:100%;height:100%;object-fit:cover;opacity:.85}
.video span{position:absolute;inset:0;display:grid;place-items:center}
.video span::before{content:"";width:72px;height:72px;border-radius:50%;background:var(--yellow) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23011e5a'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") 55% center/32px no-repeat}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Formulaire */
.form{background:#fff;border-radius:var(--radius);padding:clamp(22px,4vw,36px);box-shadow:var(--shadow)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:500;margin-bottom:6px;font-size:.92rem}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;padding:.75em .9em;border:1.5px solid #cfd9ea;border-radius:10px;background:#fbfcfe;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.field textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-5000px}
.small{font-size:.82rem;color:var(--muted)}
.alert{padding:14px 18px;border-radius:12px;margin-bottom:20px;font-weight:500}
.alert--ok{background:#def4e6;color:#0b5b2c}.alert--err{background:#ffe8ef;color:#9b1b43}
.contact-list{list-style:none;padding:0;margin:0 0 24px}
.contact-list li{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.contact-list svg{width:22px;height:22px;flex:none;color:var(--blue)}
.contact-list a{color:var(--navy);font-weight:500;text-decoration:none}

/* Bandeau CTA */
.cta-band{background:linear-gradient(120deg,var(--blue) 0%,var(--navy) 100%);color:#fff;border-radius:24px;padding:clamp(32px,5vw,56px);text-align:center}
.cta-band h2{color:#fff}.cta-band p{color:#dbe6fb;max-width:620px;margin:0 auto 1.4em}
.cta-band .btn-row{justify-content:center}

/* Assistant WhatsApp (actif si ASSIST_ON dans build.py) */
.alt-links{flex-basis:100%;margin:4px 0 0;font-size:.9rem;color:var(--muted)}
.alt-links a{color:var(--navy);font-weight:500}
.section--navy .alt-links,.cta-band .alt-links{color:#c9d6f2}.section--navy .alt-links a,.cta-band .alt-links a{color:#fff}
.assist-note{font-size:.88rem;color:var(--muted);margin:12px 0 0;max-width:520px}
.cta-band .assist-note{color:#c9d6f2;margin:12px auto 0}
.assist-block{background:linear-gradient(135deg,#e8f8ee 0%,#fff 70%);border:2px solid var(--wa);border-radius:var(--radius);padding:clamp(22px,4vw,36px);box-shadow:var(--shadow)}
.assist-steps{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:10px;counter-reset:s}
.assist-steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start}
.assist-steps li::before{content:counter(s);flex:none;width:28px;height:28px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;font-weight:600;font-size:.9rem}
.mbar a.mbar-main.mbar-wa{background:var(--wa);color:#fff}
.classic{margin-top:28px}
.classic summary{cursor:pointer;font-weight:500;color:var(--muted)}

/* Pages texte (légal) */
.prose{max-width:820px}
.prose h2{font-size:1.5rem;margin-top:1.6em}
.prose p,.prose li{color:#2d3a5c}
.todo{background:#fff4c2;padding:0 .3em;border-radius:4px}

/* Pied de page */
.foot{background:var(--navy);color:#c9d6f2;padding:56px 0 24px;font-size:.95rem}
.foot .wrap>.cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.foot h3{color:var(--yellow);font-size:1.1rem;letter-spacing:.06em}
.foot a{color:#fff;text-decoration:none}.foot a:hover{text-decoration:underline}
.foot ul{list-style:none;padding:0;margin:0}.foot li{margin-bottom:.45em}
.foot-logo{height:76px;width:auto;margin-bottom:14px;border-radius:14px;background:#fff;padding:6px;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.85rem}

/* WhatsApp flottant (ordinateur) + barre d'action (mobile) */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:40;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float svg{width:30px;height:30px;color:#fff}
.wa-float--label{width:auto;height:auto;display:flex;align-items:center;gap:10px;padding:12px 20px 12px 16px;border-radius:999px;color:#fff;text-decoration:none;font-weight:600;font-size:.95rem}
.wa-float--label svg{width:26px;height:26px}
.wa-float--label:hover{filter:brightness(1.08)}
.mbar{display:none}

/* ---------- Tablette ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .brands{grid-template-columns:repeat(4,1fr)}
}
/* ---------- Mobile ---------- */
@media (max-width:820px){
  :root{--head-h:62px}
  .logo img{height:44px}
  .burger{display:block}
  .head-cta{display:none}
  .nav{position:fixed;inset:var(--head-h) 0 auto 0;background:var(--yellow);margin:0;padding:8px 20px 20px;box-shadow:0 10px 20px rgba(1,30,90,.15);transform:translateY(-120%);transition:transform .25s;z-index:-1}
  .nav.open{transform:none}
  .nav ul{flex-direction:column;gap:2px}
  .nav a{padding:.8em 1em;font-size:1.05rem}
  .hero .wrap,.split,.grid-3,.grid-2,.form .row,.foot .wrap>.cols{grid-template-columns:1fr}
  .hero-visual{display:none}
  .split--rev .split-media{order:0}
  .btn-row .btn{flex:1 1 auto}
  .certs img{height:60px}
  .brands{grid-template-columns:repeat(3,1fr);gap:10px}
  .brands a{height:64px;padding:10px}
  .wa-float{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--navy);padding:8px 8px calc(8px + env(safe-area-inset-bottom));gap:8px;box-shadow:0 -4px 16px rgba(0,0,0,.2)}
  .mbar a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:500;padding:6px 4px;border-radius:10px}
  .mbar a svg{width:22px;height:22px}
  .mbar a.mbar-main{background:var(--yellow);color:var(--navy)}
  body{padding-bottom:76px}
}
@media (max-width:560px){
  .grid-4{grid-template-columns:1fr}
  .card{padding:20px;flex-direction:row;gap:16px;align-items:flex-start}
  .card .card-ico{margin:0;flex:none;width:48px;height:48px}
  .card-body{display:flex;flex-direction:column;min-width:0}
  .card h3{font-size:1.2rem}
  .grid-3 .card,.grid-2 .card{flex-direction:column}
  .hero{padding-top:28px}
  .badges li{font-size:.8rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Grille tarifaire (SW_NTA #03) : 2 colonnes équilibrées sur ordinateur, accordéon sur mobile */
.pl-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px;align-items:start}
.pl-col{display:flex;flex-direction:column;gap:24px}
.pl-bloc{background:var(--white);border:1px solid #e3eaf6;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.pl-bloc summary{list-style:none;display:flex;align-items:center;gap:12px;cursor:default}
.pl-bloc summary::-webkit-details-marker{display:none}
.pl-st{flex:1;min-width:0}
.pl-bloc summary h3{font-size:1.45rem;margin:0}
.pl-des,.pl-chev{display:none}
.pl-corps{margin-top:.5em}
.pl-intro{color:var(--muted);font-size:.92rem;margin:0 0 .6em}
.pl{list-style:none;margin:0;padding:0}
.pl li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid #edf1f8}
.pl li:first-child{border-top:0}
.pl-lib{flex:1;min-width:0}
.pl-lib strong{display:block;font-weight:600;color:var(--navy)}
.pl-prec{display:block;font-size:.85rem;color:var(--muted);line-height:1.45}
.pl-prix{text-align:right;flex-shrink:0;max-width:52%}
.pl-ttc{display:block;font-family:"Anton SC",Anton,sans-serif;font-size:1.35rem;color:var(--blue);line-height:1.2;white-space:nowrap}
.pl-u{font-family:Poppins,sans-serif;font-size:.8rem;color:var(--muted)}
.pl-tva{display:block;font-size:.75rem;font-weight:600;color:var(--navy)}
.pl-ht{display:block;font-size:.72rem;color:var(--muted);line-height:1.35}
.pl-note{font-size:.82rem;color:var(--muted);background:var(--bg);border-radius:10px;padding:10px 12px;margin:10px 0 0}
.pl-astuce{display:none}
.pl-mentions{margin-top:28px;font-size:.88rem;color:var(--muted);border-left:4px solid var(--yellow);padding:4px 0 4px 16px}
.pl-mentions p{margin:.3em 0}
@media (max-width:860px){
  .pl-grid{display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-top:20px}
  .pl-col{display:contents}
  .pl-bloc{padding:0;overflow:hidden}
  .pl-bloc summary{cursor:pointer;padding:16px 18px;-webkit-tap-highlight-color:transparent}
  .pl-bloc summary h3{font-size:1.2rem}
  .pl-des{display:block;font-weight:600;font-size:.88rem;color:var(--blue);margin-top:2px}
  .pl-chev{display:block;flex-shrink:0;color:var(--navy);transition:transform .2s}
  .pl-bloc[open] .pl-chev{transform:rotate(180deg)}
  .pl-bloc[open] summary{background:var(--blue-soft)}
  .pl-bloc[open] .pl-des{display:none}
  .pl-corps{margin:0;padding:4px 18px 18px}
  .pl-astuce{display:block;text-align:center;font-size:.85rem;color:var(--muted);margin:10px 0 0}
}
@media (max-width:480px){.pl li{flex-direction:column;gap:4px}.pl-prix{text-align:left;max-width:none}.pl-bloc summary h3{font-size:1.1rem}}

/* ---------- Page éclairage (15/10/2026) ---------- */
.narrow{max-width:820px}
.hero-visual--wide{padding:16px}
.hero-visual--wide img{width:100%;border-radius:16px}
.steps{counter-reset:etape;list-style:none;padding:0;margin:0 0 1.4em}
.steps li{counter-increment:etape;position:relative;padding-left:46px;margin-bottom:.9em}
.steps li::before{content:counter(etape);position:absolute;left:0;top:-.1em;width:32px;height:32px;border-radius:50%;background:var(--navy);color:var(--yellow);font-family:"Anton SC",Anton,sans-serif;display:grid;place-items:center}
.faq{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border:1px solid #e3eaf6;border-radius:var(--radius);box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:600;color:var(--navy);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--blue);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{padding:0 20px 18px;margin:0;color:var(--muted)}

/* ---------- Sous-menu Services (15/10/2026) ---------- */
.has-sub{position:relative;display:flex;align-items:center}
.sub-toggle{background:none;border:0;padding:6px;margin-left:-6px;cursor:pointer;color:var(--navy);border-radius:50%;display:grid;place-items:center}
.sub-toggle svg{width:16px;height:16px;transition:transform .25s}
.has-sub.open .sub-toggle svg{transform:rotate(180deg)}
.sub{list-style:none;margin:0;padding:6px;position:absolute;top:calc(100% + 10px);left:0;min-width:240px;background:var(--white);border-radius:16px;box-shadow:0 14px 34px rgba(1,30,90,.18);display:flex;flex-direction:column;gap:0;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s;z-index:60}
.sub::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.has-sub:hover .sub,.has-sub.open .sub{opacity:1;visibility:visible;transform:none}
.nav .sub a{border-radius:8px;padding:.38em .8em;white-space:nowrap;font-size:.85rem;line-height:1.3}
.nav .sub a:hover{background:var(--blue-soft)}
.nav .sub .sub-new a{color:var(--blue);font-weight:600}
@media (max-width:820px){
  .has-sub{flex-wrap:wrap}
  .has-sub>a{flex:1}
  .sub-toggle{padding:12px;margin:0}
  .sub{position:static;flex-basis:100%;min-width:0;background:transparent;box-shadow:none;padding:0 0 0 16px;opacity:1;visibility:visible;transform:none;max-height:0;overflow:hidden;transition:max-height .3s ease}
  .sub::before{display:none}
  .has-sub:hover .sub{max-height:0}
  .sub{visibility:hidden}
  .has-sub.open .sub{visibility:visible}
  .has-sub.open .sub{max-height:420px}
  .nav .sub a{font-size:.9rem;padding:.4em 1em;white-space:normal;line-height:1.3}
}
@media (prefers-reduced-motion:reduce){.sub,.sub-toggle svg,.faq-item summary::after{transition:none}}
.card--lien{padding:clamp(26px,4vw,44px)}
.card--lien h2{color:#fff;margin-bottom:.4em}
.card--lien .eyebrow{color:var(--yellow)}
.card--lien p{font-size:1.02rem;max-width:760px}
.card--lien .more{color:var(--yellow)}
.split>*,.grid>*{min-width:0}
.split .card,.card--lien{flex-direction:column}