/* Drone Altitude 42 — Accueil V5 (charte DA42 : --bg, --panel, --cyan, --gold) */
.v5{--v5-bg:#0b1116;--v5-bg2:#101a21;--v5-panel:#142029;--v5-line:#263640;--v5-line2:#31434d;--v5-text:#f4f7f8;--v5-text2:#d3dde2;--v5-muted:#a7b6bf;--v5-cyan:#69d7ed;--v5-gold:#f2cb58;--v5-gold2:#f3dc7b;background:var(--v5-bg);color:var(--v5-text);font-size:17px;line-height:1.6}
.v5 *{box-sizing:border-box}
.v5 img{max-width:100%;height:auto}
.v5 [hidden]{display:none !important}
.v5 a{text-decoration:none}
.v5-wrap{max-width:1280px;margin:0 auto;padding-left:clamp(18px,4vw,32px);padding-right:clamp(18px,4vw,32px)}
.v5-eyebrow{display:block;font-weight:800;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--v5-cyan)}
.v5-h2{margin:14px 0 0;font-weight:700;font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.035em}
.v5-lead{color:var(--v5-muted);font-size:18px}
.v5-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:15px 26px;border-radius:13px;font-weight:800;font-size:16px;line-height:1.2;transition:transform .15s ease,filter .15s ease}
.v5-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.v5-btn-gold{background:linear-gradient(135deg,var(--v5-gold),var(--v5-gold2));color:#15181a}
.v5-btn-gold:hover{color:#15181a}
.v5-btn-ghost{border:1px solid rgba(244,247,248,.45);color:var(--v5-text);font-weight:700}
.v5-btn-ghost:hover{color:#fff;border-color:#fff}
.v5-link{color:var(--v5-gold);font-weight:700}
.v5-link:hover{color:var(--v5-gold2)}

/* HERO */
.v5-hero{position:relative;min-height:min(820px,92vh);display:flex;align-items:flex-end;overflow:hidden;background:#071015}
.v5-hero video,.v5-hero .v5-hero-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.v5-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,22,.45) 0%,rgba(11,17,22,.12) 35%,rgba(11,17,22,.55) 70%,#0b1116 100%)}
.v5-hero-inner{position:relative;z-index:1;width:100%;padding-top:140px;padding-bottom:72px}
.v5-hero h1{margin:22px 0 0;max-width:960px;font-weight:700;font-size:clamp(40px,6.4vw,88px);line-height:1;letter-spacing:-.04em}
.v5-hero p{margin:26px 0 0;max-width:640px;font-size:19px;color:var(--v5-text2)}
.v5-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* SECTIONS */
.v5-section{padding-top:110px;padding-bottom:40px}
.v5-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:52px}
.v5-head>div{max-width:680px}
.v5-grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px}
.v5-card{display:flex;flex-direction:column;background:var(--v5-panel);border:1px solid var(--v5-line);border-radius:22px;overflow:hidden;color:var(--v5-text)}
a.v5-card:hover{color:var(--v5-text);border-color:var(--v5-line2)}
.v5-card img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.v5-card.v5-wide img{aspect-ratio:16/9}
.v5-card-body{display:flex;flex-direction:column;gap:12px;flex-grow:1;padding:28px}
.v5-card h3{margin:0;font-weight:700;font-size:25px;line-height:1.15;letter-spacing:-.02em}
.v5-card p{margin:0;color:var(--v5-muted);font-size:16px}
.v5-clamp{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.v5-card ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--v5-text2)}
.v5-card .v5-more{margin-top:auto;padding-top:8px;color:var(--v5-gold);font-weight:700}
.v5-card .v5-more span{display:inline-block;transition:transform .2s ease}
.v5-card:hover .v5-more span{transform:translateX(4px)}
.v5-chips{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:40px;padding-bottom:100px}
.v5-chips .v5-eyebrow{color:var(--v5-muted);margin-right:8px;letter-spacing:.12em}
.v5-chip{border:1px solid var(--v5-line);color:var(--v5-text2);padding:9px 16px;border-radius:999px;font-size:15px}
.v5-chip:hover{border-color:var(--v5-cyan);color:#fff}

/* ÉTUDE DE CAS */
.v5-case{background:var(--v5-bg2);border-top:1px solid var(--v5-line);border-bottom:1px solid var(--v5-line)}
.v5-case-inner{display:flex;flex-wrap:wrap;gap:56px;align-items:flex-start;padding-top:110px;padding-bottom:110px}
.v5-case-text{flex:1 1 380px;min-width:0}
.v5-case-text p{margin:24px 0 0;font-size:18px;color:var(--v5-muted)}
.v5-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px;margin-top:40px;padding-top:28px;border-top:1px solid var(--v5-line)}
.v5-stats strong{display:block;font-size:44px;line-height:1;letter-spacing:-.03em}
.v5-stats span{display:block;margin-top:8px;font-size:15px;color:var(--v5-muted)}
.v5-case-gallery{flex:1.3 1 480px;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.v5-case-gallery img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px}
.v5-case-gallery img:first-child{grid-column:1/3;aspect-ratio:16/8}

/* MÉTHODE */
.v5-steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.v5-steps li{padding:28px 28px 28px 0;border-top:1px solid var(--v5-line)}
.v5-steps b{display:block;color:var(--v5-cyan);font-size:14px;font-weight:800}
.v5-steps h3{margin:14px 0 10px;font-size:22px;letter-spacing:-.02em}
.v5-steps p{margin:0;color:var(--v5-muted);font-size:16px}

/* BANDEAU */
.v5-band{position:relative}
.v5-band img{display:block;width:100%;height:clamp(320px,40vw,520px);object-fit:cover}
.v5-band p{position:absolute;inset:0;margin:0;display:flex;align-items:center;justify-content:center;padding:0 24px;text-align:center;background:rgba(11,17,22,.35);font-weight:600;font-size:clamp(26px,3.4vw,44px);line-height:1.15;letter-spacing:-.02em}

/* CONFIANCE */
.v5-trust{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:20px;padding-top:96px;padding-bottom:30px}
.v5-trust>*{display:block;border:1px solid var(--v5-line);border-radius:14px;padding:22px;color:var(--v5-text)}
a.v5-trust-link:hover{border-color:var(--v5-cyan);color:var(--v5-text)}
.v5-trust small{display:block;font-weight:800;font-size:12px;letter-spacing:.12em;color:var(--v5-muted)}
.v5-trust strong{display:block;margin-top:8px;font-weight:600}
.v5-trust span{display:block;margin-top:4px;font-size:14px;color:var(--v5-muted)}
.v5-stars{color:var(--v5-gold);letter-spacing:2px}

/* CONTACT */
.v5-contact{display:flex;flex-wrap:wrap;gap:56px;padding-top:80px;padding-bottom:120px}
.v5-contact-info{flex:1 1 340px;min-width:0}
.v5-contact-lines{margin-top:40px;display:flex;flex-direction:column;gap:16px}
.v5-contact-lines a{color:var(--v5-gold)}
.v5-contact-lines .v5-tel{color:var(--v5-text);font-weight:700;font-size:24px}
.v5-contact-lines span{color:var(--v5-muted)}
.v5-form{flex:1.4 1 480px;min-width:0;background:var(--v5-panel);border:1px solid var(--v5-line);border-radius:22px;padding:clamp(22px,4vw,36px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:20px}
.v5-form label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;color:var(--v5-text2)}
.v5-form .v5-full{grid-column:1/-1}
.v5-form input,.v5-form select,.v5-form textarea{font:inherit;font-size:16px;background:var(--v5-bg);border:1px solid var(--v5-line2);border-radius:10px;padding:14px;color:var(--v5-text)}
.v5-form textarea{resize:vertical;min-height:130px}
.v5-form input:focus,.v5-form select:focus,.v5-form textarea:focus{outline:2px solid var(--v5-cyan);outline-offset:1px}
.v5-form button{grid-column:1/-1;justify-self:start;border:0;cursor:pointer}
.v5-form-note{grid-column:1/-1;margin:0;font-size:14px;color:var(--v5-muted)}

@media (max-width:700px){
  .v5-hero-inner{padding-top:110px;padding-bottom:48px}
  .v5-hero p{font-size:17px}
  .v5-section{padding-top:80px}
  .v5-case-inner{padding-top:80px;padding-bottom:80px}
  .v5-chips{padding-bottom:70px}
}
@media (prefers-reduced-motion:reduce){.v5-hero video{display:none}}

/* V5.1 — accueil allégé : vignettes de prestations */
.v5-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,230px),1fr));gap:18px}
.v5-tile img{aspect-ratio:4/3}
.v5-tile .v5-card-body{padding:18px 20px 20px;gap:8px}
.v5-tile h3{font-size:18px;line-height:1.25}
.v5-tile .v5-eyebrow{font-size:11px}
.v5-card.v5-wide .v5-card-body{gap:10px}
.v5-steps li{padding:22px 22px 22px 0}
.v5-steps h3{margin:10px 0 0}
@media (max-width:600px){
  .v5-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .v5-tile .v5-card-body{padding:12px 12px 14px}
  .v5-tile h3{font-size:15px}
  .v5-tile .v5-eyebrow{display:none}
}

/* V5.2 — menu simplifié (5 entrées) : visible en ligne jusqu’à 900 px */
@media (min-width:901px){
  .main-nav.v5-nav{display:flex !important;position:static;background:none;border:0;box-shadow:none;padding:0;flex-direction:row;align-items:center;gap:4px;max-height:none;overflow:visible}
  .topbar .menu-btn{display:none !important}
}
.main-nav.v5-nav a.is-active{color:#fff;background:#17242c}
.main-nav.v5-nav .v5-nav-cta{background:linear-gradient(135deg,#f2cb58,#f3dc7b);color:#15181a !important;font-weight:800;border-radius:13px}

/* V5.3 — accueil simplifié */
.v5-simple .v5-hero{min-height:min(82vh,760px)}
.v5-proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding-top:22px;padding-bottom:0}
.v5-proof>*{display:block;background:var(--v5-panel);border:1px solid var(--v5-line);border-radius:14px;padding:14px 16px;color:inherit;text-decoration:none}
.v5-proof small{display:block;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--v5-cyan)}
.v5-proof strong{display:block;margin-top:4px;font-size:16px}
.v5-proof span{display:block;font-size:13.5px;color:var(--v5-muted)}
.v5-proof .v5-stars{display:inline;color:var(--v5-gold,#f2cb58);font-size:14px}
.v5-simple #prestations{padding-top:64px;padding-bottom:64px}
.v5-simple #prestations .v5-h2{margin:0 0 26px}
.v5-choices{grid-template-columns:repeat(3,minmax(0,1fr)) !important}
.v5-choice img{aspect-ratio:3/2;object-fit:cover;width:100%}
.v5-choice h3{margin:0;font-size:20px}
.v5-choice p{margin:6px 0 0;color:var(--v5-muted);font-size:15px}
.v5-more-all{margin:22px 0 0;text-align:center}
.v5-case-one{display:block !important}
.v5-case-one img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px}
.v5-simple .v5-contact{padding-top:72px}
@media (max-width:900px){.v5-proof{grid-template-columns:repeat(2,minmax(0,1fr))}.v5-choices{grid-template-columns:repeat(2,minmax(0,1fr)) !important}.v5-choice h3{font-size:16px}.v5-choice p{font-size:13.5px}}