/* 1TENDANCE SERVICES — refonte 2026, design system du site vitrine */
:root{
  --nuit:#0d1b2a;
  --cyan:#01a4e2;
  --violet:#c488ec;
  --violet-fonce:#a55fd6;
  --cyan-maint:#00adcc;
  --vert:#66bd65;
  --vert-fonce:#4ea34d;
  --orange:#ffbd59;
  --gris:#5b6b7b;
  --gris-clair:#f4f7fa;
  --bord:#e3e9ef;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',Arial,sans-serif;color:var(--nuit);line-height:1.65;background:#fff}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:12px;font-weight:700;font-size:15px;transition:transform .08s ease,box-shadow .15s ease,opacity .15s ease}
.btn:hover{opacity:.93;text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--cyan);color:#fff;box-shadow:0 8px 24px rgba(1,164,226,.35)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-dark{background:var(--nuit);color:#fff}

/* En-tête */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--bord)}
.nav{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:var(--nuit);letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand img{height:42px}
.brand small{display:block;font-size:10.5px;font-weight:600;color:var(--gris);letter-spacing:.06em;text-transform:uppercase;line-height:1.2}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:26px;font-weight:600;font-size:14.5px}
.nav-links a{color:var(--gris)}
.nav-links a:hover{color:var(--nuit);text-decoration:none}
.nav-links a.active{color:var(--nuit)}
.nav-links .btn{padding:11px 20px;font-size:14px;color:#fff}
/* Menu mobile (hamburger) */
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:0;padding:10px 4px 10px 10px;cursor:pointer}
.burger span{display:block;width:22px;height:2.5px;background:var(--nuit);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid var(--bord);box-shadow:0 14px 30px rgba(13,27,42,.12)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;font-weight:700;font-size:15px;color:var(--nuit);border-top:1px solid var(--gris-clair)}
.mobile-menu a:hover{text-decoration:none;background:var(--gris-clair)}
.mobile-menu a.sub{padding-left:44px;font-weight:500;font-size:14px;color:var(--gris)}
@media(min-width:861px){.mobile-menu{display:none!important}}

@media(max-width:860px){
  .nav-links a.hide-sm{display:none}
  .burger{display:flex}
  .nav-links{margin-left:auto}
}
@media(max-width:560px){
  .nav{height:60px;gap:6px}
  .brand{font-size:11px;white-space:nowrap;gap:7px;letter-spacing:0}
  .brand small{display:none}
  .brand img{height:26px}
  .nav-links{gap:8px}
  .nav-links .btn{padding:8px 11px;font-size:12px;white-space:nowrap}
}

/* Hero de la home */
.hero{background:linear-gradient(135deg,#0d1b2a 0%,#12283f 55%,#0d3550 100%);color:#fff;overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;right:-180px;top:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(1,164,226,.28),transparent 65%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:88px 0 96px;position:relative;z-index:1}
.kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(1,164,226,.15);border:1px solid rgba(1,164,226,.4);color:#7fd4f5;font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;margin-bottom:22px;letter-spacing:.02em}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.13;font-weight:800;letter-spacing:-.015em}
.hero h1 .accent{color:var(--cyan)}
.hero .sub{margin:22px 0 30px;font-size:17.5px;color:#c6d4e2;max-width:520px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-proof{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.proof{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:#aebfd0}
.proof .dot{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:rgba(255,255,255,.08)}
.hero-visual{position:relative}
.hero-visual .photo{border-radius:22px;box-shadow:0 30px 70px rgba(0,0,0,.45);object-fit:cover;width:100%;aspect-ratio:4/3}
.badge-float{position:absolute;left:-22px;bottom:-24px;background:#fff;color:var(--nuit);border-radius:16px;padding:14px 18px;box-shadow:0 18px 44px rgba(0,0,0,.35);display:flex;gap:12px;align-items:center}
.badge-float .ic{width:42px;height:42px;border-radius:12px;background:var(--vert);display:grid;place-items:center;font-size:19px}
.badge-float b{display:block;font-size:14px}
.badge-float span{font-size:12px;color:var(--gris)}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;padding:60px 0 72px}.badge-float{left:12px}}

/* Hero interne (pages) */
.page-hero{background:linear-gradient(135deg,#0d1b2a 0%,#12283f 60%,#0d3550 100%);color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-160px;top:-160px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,var(--ph-glow,rgba(1,164,226,.25)),transparent 65%)}
.page-hero .inner{padding:64px 0 68px;position:relative;z-index:1;max-width:820px}
.page-hero .crumb{font-size:13px;font-weight:600;color:#8fa5ba;margin-bottom:16px}
.page-hero .crumb a{color:#8fa5ba}
.page-hero .crumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.15;letter-spacing:-.01em}
.page-hero p.lead{margin-top:16px;font-size:17px;color:#c6d4e2}
.page-hero .chip{display:inline-block;font-size:12.5px;font-weight:800;padding:6px 14px;border-radius:999px;color:#fff;margin-bottom:16px;background:var(--ph-chip,var(--cyan))}

/* Sections */
section.block{padding:84px 0}
section.block.tight{padding:56px 0}
.sec-head{max-width:680px;margin:0 auto 52px;text-align:center}
.sec-head .tag{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.sec-head h2{font-size:clamp(26px,3.2vw,36px);font-weight:800;letter-spacing:-.01em;line-height:1.2}
.sec-head p{margin-top:14px;color:var(--gris);font-size:16px}

/* Bande chiffres */
.band{background:#fff;border-bottom:1px solid var(--bord)}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:30px 0}
.band-item{display:flex;align-items:center;gap:13px;justify-content:center}
.band-item .n{font-size:24px;font-weight:800;color:var(--nuit)}
.band-item .l{font-size:12.5px;color:var(--gris);font-weight:600;line-height:1.35}
@media(max-width:860px){.band-grid{grid-template-columns:repeat(2,1fr)}}

/* Cartes pôles */
.poles{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pole{background:#fff;border:1px solid var(--bord);border-radius:20px;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column}
.pole:hover{transform:translateY(-5px);box-shadow:0 22px 48px rgba(13,27,42,.13)}
.pole .ph{position:relative;aspect-ratio:16/10;overflow:hidden}
.pole .ph img{width:100%;height:100%;object-fit:cover}
.pole .ph .chip{position:absolute;left:14px;top:14px;font-size:12px;font-weight:800;padding:6px 13px;border-radius:999px;color:#fff}
.pole .body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.pole h3{font-size:20px;font-weight:800;margin-bottom:10px}
.pole p{font-size:14.5px;color:var(--gris);margin-bottom:16px}
.pole ul{list-style:none;margin-bottom:22px}
.pole li{font-size:14px;padding:5px 0 5px 26px;position:relative;color:#33475b;font-weight:500}
.pole li::before{content:"✓";position:absolute;left:0;font-weight:800}
.pole .more{margin-top:auto;font-weight:700;font-size:14.5px}
.pole.accueil .chip{background:var(--violet)}.pole.accueil li::before{color:var(--violet)}.pole.accueil .more{color:var(--violet-fonce)}
.pole.maint .chip{background:var(--cyan-maint)}.pole.maint li::before{color:var(--cyan-maint)}.pole.maint .more{color:var(--cyan-maint)}
.pole.nett .chip{background:var(--vert)}.pole.nett li::before{color:var(--vert)}.pole.nett .more{color:var(--vert-fonce)}
@media(max-width:920px){.poles{grid-template-columns:1fr}}

/* Cartes atouts */
.why{background:var(--gris-clair)}
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--bord);border-radius:18px;padding:28px 24px}
.feat .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;margin-bottom:16px;background:rgba(1,164,226,.12)}
.feat h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.feat p{font-size:13.8px;color:var(--gris)}
@media(max-width:920px){.feats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feats{grid-template-columns:1fr}}

/* Sections alternées des pages pôles */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:38px 0}
.split .txt h2{font-size:24px;font-weight:800;margin-bottom:14px;line-height:1.25}
.split .txt p{color:#33475b;font-size:15.5px;margin-bottom:12px}
.split .txt ul{list-style:none;margin:6px 0 4px}
.split .txt li{font-size:14.5px;padding:5px 0 5px 26px;position:relative;color:#33475b;font-weight:500}
.split .txt li::before{content:"✓";position:absolute;left:0;font-weight:800;color:var(--accent,var(--cyan))}
.split img{border-radius:18px;box-shadow:0 18px 44px rgba(13,27,42,.14);width:100%;object-fit:cover;aspect-ratio:4/3}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:26px}}

/* Encadré astreinte / info */
.callout{border-radius:18px;padding:26px 28px;background:var(--gris-clair);border-left:5px solid var(--accent,var(--cyan));margin:26px 0}
.callout h3{font-size:17px;font-weight:800;margin-bottom:8px}
.callout p{font-size:14.5px;color:#33475b}

/* Filtres actualités */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:44px}
.filter-btn{padding:9px 18px;border-radius:999px;border:1.5px solid var(--bord);background:#fff;font-weight:700;font-size:13.5px;color:var(--gris);cursor:pointer;font-family:inherit;transition:all .12s ease}
.filter-btn:hover{border-color:var(--nuit);color:var(--nuit)}
.filter-btn.active{background:var(--nuit);color:#fff;border-color:var(--nuit)}
.card-news.hidden{display:none}

/* Actualités */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-news{border:1px solid var(--bord);border-radius:18px;background:#fff;transition:transform .15s ease,box-shadow .15s ease;overflow:hidden;display:flex;flex-direction:column}
.card-news:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(13,27,42,.1)}
.card-news .ph{aspect-ratio:16/9;overflow:hidden;background:var(--gris-clair)}
.card-news .ph img{width:100%;height:100%;object-fit:cover}
.card-news .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-news .cat{font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;margin-bottom:12px;display:inline-block;padding:5px 11px;border-radius:999px;align-self:flex-start}
.card-news h3{font-size:17px;font-weight:700;line-height:1.35;margin-bottom:10px}
.card-news h3 a{color:var(--nuit)}
.card-news p{font-size:14px;color:var(--gris)}
.card-news .lire{display:inline-block;margin-top:auto;padding-top:14px;font-weight:700;font-size:14px}
@media(max-width:920px){.news{grid-template-columns:1fr}}
@media(min-width:921px) and (max-width:1100px){.news{grid-template-columns:repeat(2,1fr)}}

/* Badges de catégorie */
.cat-accueil{background:rgba(196,136,236,.15);color:var(--violet-fonce)}
.cat-maintenance{background:rgba(0,173,204,.12);color:var(--cyan-maint)}
.cat-nettoyage{background:rgba(102,189,101,.14);color:var(--vert-fonce)}
.cat-evenementiel{background:rgba(255,189,89,.2);color:#c77f16}
.cat-engagement{background:rgba(102,189,101,.14);color:var(--vert-fonce)}
.cat-conseils{background:rgba(1,164,226,.12);color:var(--cyan)}
.cat-innovation{background:rgba(13,27,42,.08);color:var(--nuit)}

/* Corps d'article */
.article-wrap{max-width:780px;margin:0 auto;padding:56px 24px 20px}
.article-body p{margin-bottom:18px;font-size:16px;color:#26384a}
.article-body h2{font-size:23px;font-weight:800;margin:34px 0 14px;line-height:1.3}
.article-body h3{font-size:18px;font-weight:700;margin:26px 0 10px}
.article-body ul{margin:0 0 18px 22px}
.article-body li{margin-bottom:8px;font-size:15.5px;color:#26384a}
.article-body strong{color:var(--nuit)}
.article-hero-img{border-radius:20px;box-shadow:0 20px 50px rgba(13,27,42,.16);width:100%;max-height:420px;object-fit:cover;margin-bottom:38px}
.article-back{display:inline-block;margin:8px 0 30px;font-weight:700;font-size:14.5px}

/* Formulaires */
.form-card{background:#fff;border:1px solid var(--bord);border-radius:20px;padding:34px;box-shadow:0 14px 40px rgba(13,27,42,.07)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px}
.field label .req{color:#d64545}
/* 16px minimum : en dessous, Safari iOS zoome automatiquement sur le champ. */
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1.5px solid var(--bord);border-radius:10px;font-family:inherit;font-size:16px;color:var(--nuit);background:#fff;transition:border-color .15s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:12.5px;color:var(--gris);margin-top:14px}
.form-ok{display:none;background:rgba(102,189,101,.12);border:1.5px solid var(--vert);border-radius:12px;padding:16px 18px;font-weight:600;margin-top:18px}
.form-err{display:none;background:rgba(214,69,69,.08);border:1.5px solid #d64545;border-radius:12px;padding:16px 18px;font-weight:600;margin-top:18px}

/* Coordonnées contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info-card{background:var(--gris-clair);border-radius:18px;padding:26px 28px;margin-bottom:18px}
.info-card h3{font-size:16px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.info-card p{font-size:14.5px;color:#33475b;margin-bottom:4px}
.info-card a{font-weight:700}

/* CTA finale */
.cta-final{background:linear-gradient(135deg,#0d1b2a,#0d3550);border-radius:26px;color:#fff;padding:58px 54px;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-final::after{content:"";position:absolute;right:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,189,89,.25),transparent 65%)}
.cta-final h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.2}
.cta-final p{color:#c6d4e2;margin-top:10px;font-size:15.5px}
.cta-final .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;align-items:center}
.cta-final .tel{font-weight:800;font-size:19px;color:#fff;display:flex;align-items:center;gap:9px}

/* Mentions légales et pages sobres */
.plain h2{font-size:20px;font-weight:800;margin:30px 0 10px}
.plain p{margin-bottom:14px;font-size:15px;color:#26384a}
.plain ul{margin:0 0 14px 22px}
.plain li{font-size:15px;color:#26384a;margin-bottom:6px}

/* Pied de page */
footer{background:var(--nuit);color:#aebfd0;margin-top:84px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:58px 0 40px}
.foot .fbrand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;color:#fff;margin-bottom:16px}
.foot .fbrand img{height:40px;background:#fff;border-radius:10px;padding:4px}
.foot p,.foot a{font-size:13.5px;color:#aebfd0}
.foot a:hover{color:#fff}
.foot h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.foot ul{list-style:none}
.foot li{margin-bottom:9px}
.legal{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:12.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:920px){.foot{grid-template-columns:1fr 1fr}}