/* Altiscan Drone — feuille de style (refonte sobre, 2026-09) */
:root{
  --paper:#F7F5F0;
  --paper-2:#EFECE4;
  --card:#FFFFFF;
  --ink:#14213D;
  --ink-soft:#3D4A63;
  --muted:#6B7488;
  --line:#DAD5C8;
  --accent:#00798A;
  --accent-dark:#005F6C;
  --accent-tint:#E3F0F1;
  --warn:#9A5B00;
  --radius:6px;
  --wrap:1120px;
  --text:68ch;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-dark);text-underline-offset:3px}
a:hover{color:var(--ink)}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem);margin-top:0}
h3{font-size:1.12rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
li{margin:.25em 0}
strong{font-weight:600}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:.5rem;z-index:99}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:56px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section.alt{background:transparent}
.kicker{font:600 .92rem/1.3 var(--sans);color:var(--accent-dark);margin:0 0 .6em}
.lead{font-size:1.14rem;color:var(--ink-soft);max-width:60ch}
.small{font-size:.9rem;color:var(--muted)}
.mono{font-family:var(--mono)}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.72em 1.15em;border-radius:var(--radius);font:600 .98rem/1.2 var(--sans);text-decoration:none;border:2px solid var(--accent);cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}

/* En-tête */
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.brand img{height:46px;width:auto}
.brand span{font:600 1.08rem/1 var(--sans);letter-spacing:.01em}
.brand span b{font-weight:600;color:var(--accent)}
.nav-menu{list-style:none;display:flex;align-items:center;gap:1.4rem;margin:0;padding:0}
.nav-menu li{margin:0}
.nav-menu a,.nav-dropdown>button{color:var(--ink);text-decoration:none;font:500 .96rem var(--sans);background:none;border:0;padding:.3rem 0;cursor:pointer}
.nav-menu a:hover,.nav-dropdown>button:hover{color:var(--accent-dark)}
.nav-menu a[aria-current="page"]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.nav-dropdown{position:relative}
.nav-sub{list-style:none;margin:0;padding:.5rem 0;position:absolute;top:100%;left:-1rem;min-width:270px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px -12px rgba(20,33,61,.25);display:none}
.nav-dropdown:hover .nav-sub,.nav-dropdown:focus-within .nav-sub{display:block}
.nav-sub a{display:block;padding:.45rem 1rem}
.nav-tel{font-weight:600!important;font-variant-numeric:tabular-nums}
.nav-burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:.4rem .55rem;cursor:pointer}
.nav-burger svg{width:22px;height:22px;display:block}

/* Fil d'Ariane */
.crumbs{font:400 .88rem var(--sans);color:var(--muted);padding-top:22px}
.crumbs a{color:var(--muted)}
.crumbs span.sep{margin:0 .45em}

/* Accueil : ouverture */
.opening{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:48px;padding-bottom:56px}
.opening h1{margin-bottom:.5em}
.opening .meta{margin-top:1.6rem;font:400 .92rem/1.6 var(--sans);color:var(--muted)}
.opening figure{margin:0}
.opening figure img{border-radius:var(--radius);aspect-ratio:4/5;object-fit:cover;width:100%}

/* En-tête de page intérieure */
.page-head{padding-top:18px;padding-bottom:40px}
.page-head .lead{margin-bottom:0}
.page-head.split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:end}
.page-head.split figure{margin:0}
.page-head.split img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}

/* Texte long */
.prose{max-width:var(--text)}
.prose h2{margin-top:2.2rem}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.6rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.two>figure{margin:0}

/* Photos */
figure.photo{margin:1.6rem 0}
figure.photo img{border-radius:var(--radius);width:100%}
figure.photo figcaption,.cap{font:400 .88rem/1.5 var(--sans);color:var(--muted);margin-top:.5rem}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.gallery figure{margin:0}
.gallery img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}

/* Liste des services (lignes, pas de cartes) */
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{margin:0;border-bottom:1px solid var(--line)}
.rows a{display:grid;grid-template-columns:160px 1fr auto;gap:24px;align-items:center;padding:18px 0;text-decoration:none;color:var(--ink)}
.rows img{border-radius:4px;aspect-ratio:4/3;object-fit:cover;width:160px}
.rows h3{margin:0 0 .25em}
.rows p{margin:0;color:var(--ink-soft);font-size:.97rem}
.rows .go{font:600 .92rem var(--sans);color:var(--accent-dark);white-space:nowrap}
.rows a:hover h3{color:var(--accent-dark);text-decoration:underline;text-underline-offset:4px}

/* Fiche technique */
.facts{display:grid;grid-template-columns:max-content 1fr;gap:.55rem 1.4rem;margin:1.2rem 0 0;font-size:.97rem}
.facts dt{font:600 .95rem/1.6 var(--sans);color:var(--ink)}
.facts dd{margin:0}

/* Encadré */
.note{border-left:4px solid var(--accent);background:var(--accent-tint);padding:1rem 1.2rem;border-radius:0 var(--radius) var(--radius) 0;margin:1.6rem 0;max-width:var(--text)}
.note p:last-child{margin:0}
.note.warn{border-color:var(--warn);background:#F6EEDF}

/* FAQ */
.faq{max-width:var(--text)}
details.qa{border-bottom:1px solid var(--line)}
details.qa:first-of-type{border-top:1px solid var(--line)}
details.qa summary{cursor:pointer;list-style:none;padding:1rem 2rem 1rem 0;font-weight:600;position:relative}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";position:absolute;right:.2rem;top:.85rem;font:400 1.4rem/1 var(--sans);color:var(--accent-dark)}
details.qa[open] summary::after{content:"–"}
details.qa>div{padding:0 0 1rem}

/* Bandeau de fin */
.cta-band{background:var(--ink);color:#fff;padding:44px 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:1.2rem 2rem;align-items:center;justify-content:space-between}
.cta-band h2{color:#fff;margin:0 0 .2em;font-size:1.5rem}
.cta-band p{margin:0;color:#C9D1E0}
.cta-band .btn-line{color:#fff;border-color:#fff}
.cta-band .btn-line:hover{background:#fff;color:var(--ink)}
.cta-band .actions{margin:0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.contact-info dl{margin:0}
.contact-info dt{font:600 .92rem var(--sans);color:var(--muted);margin-top:1rem}
.contact-info dd{margin:.15rem 0 0}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;margin-bottom:14px}
.field label{font-weight:500;font-size:.92rem;margin-bottom:.3rem}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid #BFB8A8;border-radius:4px;padding:.6rem .7rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.field textarea{min-height:130px;resize:vertical}
.field.hp{position:absolute;left:-9999px}
.form-legal{font-size:.82rem;color:var(--muted);margin:.8rem 0 0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(150%);background:var(--ink);color:#fff;padding:.8rem 1.2rem;border-radius:var(--radius);transition:transform .3s;z-index:200;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.error{background:#8A1C1C}

/* Bouton d'appel mobile */
.float-actions{position:fixed;right:16px;bottom:16px;z-index:60;display:none}
.float-btn{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:var(--accent);color:#fff;box-shadow:0 8px 20px -6px rgba(0,0,0,.35)}
.float-btn svg{width:24px;height:24px}

/* Pied de page */
footer{background:var(--ink);color:#C9D1E0;padding:48px 0 28px;font-size:.93rem}
footer a{color:#fff;text-decoration:none}
footer a:hover{text-decoration:underline;color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-grid h4{font:600 .95rem var(--sans);color:#fff;margin:0 0 .8rem}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:.35rem 0}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between;font-size:.84rem;color:#8E9AB3}

/* Bandeau cookies */
#cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:300;display:none;justify-content:center}
#cookie-banner .box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 16px 40px -12px rgba(20,33,61,.35);padding:18px 20px;max-width:640px;display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center}
#cookie-banner p{margin:0;font-size:.92rem;flex:1 1 300px}
#cookie-banner .btns{display:flex;gap:.6rem}
#cookie-banner button{font:600 .9rem var(--sans);padding:.55rem .9rem;border-radius:4px;cursor:pointer}

/* Responsive */
@media (max-width:900px){
  .opening,.page-head.split,.two,.contact-grid{grid-template-columns:1fr;gap:28px}
  .opening figure img{aspect-ratio:4/3}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1080px){
  .nav-burger{display:block}
  .nav-menu{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:.4rem 20px 1rem}
  .nav-menu.open{display:flex}
  .nav-menu li{border-top:1px solid var(--line)}
  .nav-menu a,.nav-dropdown>button{display:block;width:100%;text-align:left;padding:.8rem 0}
  .nav-sub{position:static;display:none;border:0;box-shadow:none;background:transparent;padding:0 0 .5rem 1rem}
  .nav-dropdown:hover .nav-sub{display:none}
  .nav-dropdown.open .nav-sub{display:block}
  .nav-menu a.nav-cta{display:inline-block;width:auto;margin-top:.8rem;padding:.6rem 1.1rem}
}
@media (max-width:820px){
  .float-actions{display:block}
  .rows a{grid-template-columns:96px 1fr;gap:16px}
  .rows img{width:96px}
  .rows .go{display:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .section{padding:40px 0}
  .form-row,.gallery{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr;gap:.1rem}
  .facts dd{margin-bottom:.6rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
footer{border-top:1px solid rgba(255,255,255,.12)}

/* Étapes numérotées */
ol.steps{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st}
ol.steps li{margin:0;border-top:3px solid var(--accent);padding-top:14px;counter-increment:st}
ol.steps li::before{content:counter(st);display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:50%;background:var(--accent);color:#fff;font:600 1rem/1 var(--sans);margin-bottom:.7rem}
ol.steps h3{margin:0 0 .3rem;font-size:1.05rem}
ol.steps p{margin:0;font-size:.95rem;color:var(--ink-soft)}
ol.steps.three{grid-template-columns:repeat(3,1fr)}
ol.steps.five{grid-template-columns:repeat(5,1fr)}
/* Points clés */
.points{display:grid;grid-template-columns:1fr 1fr;gap:1rem 56px;margin-top:1.2rem;max-width:980px}
.points.four{grid-template-columns:1fr 1fr}
.points>div{margin:0}
.points h3{display:inline;margin:0;font-size:1rem}.points h3::after{content:". "}
.points p{display:inline;margin:0;color:var(--ink-soft)}
/* Garanties */
ul.trust{list-style:none;margin:1.4rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;font:500 .92rem/1.4 var(--sans);color:var(--ink-soft)}
ul.trust li{margin:0}ul.trust li+li{border-left:1px solid var(--line);padding-left:1.1rem}

.section-intro{max-width:60ch;color:var(--ink-soft);margin-bottom:0}
@media (max-width:900px){ol.steps,ol.steps.five{grid-template-columns:1fr 1fr}}
@media (max-width:560px){ol.steps,ol.steps.three,ol.steps.five,.points,.points.four{grid-template-columns:1fr}}
.prose ol.steps{grid-template-columns:1fr 1fr;margin:1.2rem 0 1.4rem}
.section.dark{background:var(--ink);color:#fff}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .kicker{color:#7FC8D2}
.pledges{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:1.8rem;border-top:1px solid rgba(255,255,255,.18)}
.pledges>div{padding:24px 24px 4px 0;border-right:1px solid rgba(255,255,255,.12)}
.pledges>div+div{padding-left:24px}
.pledges>div:last-child{border-right:0}
.pledges b{display:block;font:600 2.8rem/1 var(--sans);color:#7FC8D2;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin-bottom:.7rem}
.pledges h3{margin:0 0 .3rem;font-size:1.05rem}
.pledges p{margin:0;font-size:.93rem;color:rgba(255,255,255,.72)}
.section.dark ul.trust{margin-top:2rem;color:rgba(255,255,255,.8)}
.section.dark ul.trust li+li{border-color:rgba(255,255,255,.25)}
.gear{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
.gear figure.photo{margin:0}
.specs{list-style:none;margin:1.2rem 0 0;padding:0}
.specs li{display:grid;grid-template-columns:8.5rem 1fr;gap:1rem;align-items:baseline;padding:.8rem 0;border-top:1px solid var(--line);margin:0}
.specs li:last-child{border-bottom:1px solid var(--line)}
.specs b{font:600 1.1rem/1.3 var(--sans);color:var(--accent-dark)}
.specs span{font-size:.95rem;color:var(--ink-soft)}
@media (max-width:900px){.pledges{grid-template-columns:1fr 1fr}.pledges>div:nth-child(2){border-right:0}.pledges>div:nth-child(3){padding-left:0}.gear{grid-template-columns:1fr;gap:28px}}
@media (max-width:560px){.pledges>div{border-right:0;padding:18px 12px 16px 0!important}.pledges b{font-size:2.2rem}.pledges p{font-size:.88rem}.specs li{grid-template-columns:1fr;gap:.2rem}}

.cases{margin-top:1.4rem;border-top:1px solid var(--line)}
.cases>div{display:grid;grid-template-columns:minmax(200px,1fr) 2fr;gap:1.5rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.cases h3{margin:0;font-size:1.02rem}
.cases p{margin:0;color:var(--ink-soft)}
table.matrix{width:100%;border-collapse:collapse;margin-top:1.4rem;font-size:.95rem;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
table.matrix th{text-align:left;font:600 .95rem/1.4 var(--sans);color:var(--ink);padding:.8rem 1rem;border-bottom:1px solid var(--ink);background:var(--paper-2)}
table.matrix td{padding:.85rem 1rem;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-soft)}
table.matrix td:first-child{font-weight:600;color:var(--ink);width:22%}
table.matrix tr:last-child td{border-bottom:0}
.specs.words li{grid-template-columns:9rem 1fr}
.specs.words b{font:600 1rem/1.4 var(--sans);color:var(--ink)}
.gallery.three{grid-template-columns:repeat(3,1fr)}
@media (max-width:820px){.cases>div{grid-template-columns:1fr;gap:.25rem}
 table.matrix thead{display:none} table.matrix,table.matrix tbody,table.matrix tr,table.matrix td{display:block;width:auto!important}
 table.matrix tr{border-bottom:1px solid var(--line);padding:.6rem 0} table.matrix td{border:0;padding:.2rem 1rem}
 table.matrix td:not(:first-child)::before{content:attr(data-l) " : ";font:600 .9rem var(--sans);color:var(--ink)}
 .gallery.three{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.specs.words li{grid-template-columns:1fr}.gallery.three{grid-template-columns:1fr}}

.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:1.4rem}
.offers article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.offers img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.offers article>div{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.offers h3{margin:0 0 .25rem;font-size:1.2rem}
.offers .for{margin:0 0 1rem;color:var(--muted);font-size:.93rem}
.offers ul{margin:0 0 1.4rem;padding-left:1.1rem;color:var(--ink-soft);font-size:.95rem;flex:1}
.offers li{margin:.3rem 0}
.offers .btn{align-self:flex-start}
.offers .more{margin-top:.8rem;font-size:.92rem}
.offer-wide{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.offer-wide h3{margin:0 0 .3rem;font-size:1.1rem}
.offer-wide p{margin:0;color:var(--ink-soft);max-width:70ch}
@media (max-width:900px){.offers{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.offers{grid-template-columns:1fr}.offer-wide{flex-direction:column;align-items:flex-start}}

.case{display:grid;grid-template-columns:minmax(0,.8fr) 1.2fr;gap:56px;align-items:center}
.case-img img{width:100%;border-radius:var(--radius);display:block;max-height:560px;object-fit:cover}
.case h2{font-size:clamp(1.5rem,2.6vw,2rem)}
.case p{color:var(--ink-soft);max-width:60ch}
ul.figs{list-style:none;display:flex;gap:40px;margin:1.6rem 0;padding:1.2rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
ul.figs li{margin:0;color:var(--ink-soft);font-size:.95rem}
ul.figs b{display:block;font-size:2.4rem;line-height:1.05;color:var(--accent-dark);font-weight:600;font-variant-numeric:tabular-nums}
@media (max-width:820px){.case{grid-template-columns:1fr;gap:28px}.case-img img{max-height:380px}ul.figs{gap:24px}ul.figs b{font-size:1.9rem}}

.nav-menu a.nav-cta{background:var(--accent);color:#fff;padding:.5rem 1rem;border-radius:var(--radius);font-weight:600}
.nav-menu a.nav-cta:hover{background:var(--accent-dark);color:#fff}
.nav-menu a.nav-cta[aria-current="page"]{text-decoration:none}
.hub{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:1.4rem}
.hub a{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.hub a:hover{border-color:var(--accent)}
.hub img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.hub div{padding:20px 22px 24px}
.hub .tag{margin:0 0 .4rem;font-size:.9rem;color:var(--accent-dark);font-weight:600}
.hub h2{font-size:1.3rem;margin:0 0 .5rem}
.hub p{margin:0;color:var(--ink-soft)}
@media (max-width:760px){.hub{grid-template-columns:1fr}}
.local{margin-top:1.4rem;color:var(--ink-soft);max-width:70ch}