/* ==========================================================
   Cams drone — feuille de style unique
   ========================================================== */
:root{
  --cyan:#08c9d6; --blue:#4a90d9; --violet:#6a1fd6;
  --grad:linear-gradient(120deg,var(--cyan),var(--blue) 50%,var(--violet));
  --ink:#14192b; --muted:#5a6275; --bg:#f4f7fb; --card:#fff; --line:#e3e8f1;
  --radius:16px; --shadow:0 10px 30px -12px rgba(20,25,43,.25);
  --shadow-lg:0 22px 50px -18px rgba(70,40,200,.35);
  --max:1100px; --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font:18px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--violet);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{width:min(var(--max),100% - 2.5rem);margin-inline:auto}

/* ---------- En-tête / hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:#0b1020;isolation:isolate}
.hero-bg{position:absolute;inset:-10% 0;z-index:-2;width:100%;height:120%;object-fit:cover;object-position:center 40%;will-change:transform;animation:slowzoom 24s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,12,30,.15),rgba(8,12,30,.7))}
.hero-in{display:flex;align-items:center;gap:1.6rem;padding:1.1rem 0;min-height:140px}
.hero.home .hero-in{min-height:200px;padding:1.4rem 0}
.badge{flex:none;width:110px;aspect-ratio:1;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 6px rgba(255,255,255,.25),var(--shadow);transition:transform .5s var(--ease)}
.badge:hover{transform:rotate(-6deg) scale(1.05)}
.badge img{width:78%}
.hero.home .badge{width:140px}
.hero h1,.hero p.tagline{margin:0}
.hero .tagline{font-size:clamp(1.2rem,2.6vw,1.9rem);font-weight:600;line-height:1.3;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.hero .brand{display:block;margin-top:.2rem;font-size:clamp(1.7rem,4.2vw,2.8rem);font-weight:800;letter-spacing:.02em;background:linear-gradient(100deg,#7ff3fa,#fff 45%,#d6b9ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none}
.hero-in>div{animation:rise .9s var(--ease) both .1s}
.badge{animation:rise .9s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
@keyframes slowzoom{to{transform:scale(1.07)}}

/* ---------- Navigation ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 8px 24px -14px rgba(20,25,43,.4)}
.nav-in{display:flex;align-items:center;justify-content:space-between}
#menu{display:flex;gap:.25rem;margin:0;padding:.5rem 0;list-style:none;flex-wrap:wrap}
.nav a{position:relative;display:block;padding:.55rem 1rem;border-radius:999px;color:var(--ink);font-size:.95rem;font-weight:600;transition:background .25s,color .25s}
.nav a::after{content:"";position:absolute;left:1rem;right:1rem;bottom:.3rem;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover{background:rgba(106,31,214,.07);color:var(--violet)}
.nav a:hover::after{transform:scaleX(1)}
.nav a[aria-current="page"]{background:var(--grad);color:#fff}
.nav a[aria-current="page"]::after{display:none}
.burger{display:none;margin:.5rem 0;padding:.55rem .9rem;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit;font-size:.95rem;font-weight:600;cursor:pointer}

/* menu déroulant « Prestations » */
.has-sub{position:relative}
.sub-btn{display:block;padding:.55rem 1rem;border:0;border-radius:999px;background:transparent;font:inherit;font-size:.95rem;font-weight:600;color:var(--ink);cursor:pointer;transition:background .25s,color .25s}
.sub-btn:hover,.has-sub.open .sub-btn{background:rgba(106,31,214,.07);color:var(--violet)}
.sub-btn.actif{background:var(--grad);color:#fff}
.caret{display:inline-block;font-size:.75em;transition:transform .3s var(--ease)}
.has-sub.open .caret,.has-sub:hover .caret{transform:rotate(180deg)}
.nav .sub{display:none;position:absolute;top:100%;left:0;z-index:60;min-width:270px;margin:0;padding:.4rem;list-style:none;flex-direction:column;gap:.1rem;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);animation:fade .2s}
.has-sub:hover .sub,.has-sub.open .sub,.has-sub:focus-within .sub{display:flex}
.sub a{border-radius:10px;white-space:nowrap}
.sub a::after{display:none}

/* ---------- Contenu ---------- */
main{padding:3rem 0 1rem}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.2;margin:0 0 1.2rem;text-align:center}
h2::after{content:"";display:block;width:70px;height:4px;margin:.7rem auto 0;border-radius:4px;background:var(--grad)}
h3{font-size:1.25rem;margin:1.8rem 0 .4rem}
h3:first-child{margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.3rem,3vw,2.4rem);box-shadow:var(--shadow)}
.card p{margin:0 0 1rem}
.card p:last-child{margin-bottom:0}
.stack>*+*{margin-top:2rem}
.btns{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.4rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.4rem;border-radius:999px;font-weight:700;font-size:1rem;color:#fff;background:var(--grad);box-shadow:0 8px 20px -8px rgba(106,31,214,.6);transition:transform .25s var(--ease),box-shadow .25s}
.btn:hover{color:#fff;transform:translateY(-3px);box-shadow:0 14px 26px -10px rgba(106,31,214,.7)}
.btn.alt{background:#fff;color:var(--violet);border:1px solid var(--line);box-shadow:none}
.btn.alt:hover{color:var(--violet);box-shadow:var(--shadow)}

/* cartes de services (accueil) */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:1.5rem}
.service{position:relative;display:block;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:16/9;color:#fff;background:#000}
.service img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.service::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(10,10,40,.85))}
.service span{position:absolute;left:1.2rem;bottom:1rem;z-index:1;font-size:1.3rem;font-weight:700;transition:transform .4s var(--ease)}
.service:hover{color:#fff;box-shadow:var(--shadow-lg)}
.service:hover img{transform:scale(1.08)}
.service:hover span{transform:translateY(-6px)}

/* galerie + vidéos */
.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:1.5rem}
.video figcaption,.gallery figcaption{font-size:.95rem;color:var(--muted);padding:.7rem .2rem 0}
.ratio{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.ratio iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:1.3rem}
.gallery figure{margin:0}
.gallery a{position:relative;display:block;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:16/9;background:#dde3ee;cursor:zoom-in}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),filter .4s}
.gallery a:hover img{transform:scale(1.07);filter:brightness(1.08)}
.gallery a::after{content:"⤢";position:absolute;right:.7rem;top:.7rem;width:2.2rem;height:2.2rem;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.9);color:var(--violet);opacity:0;transform:scale(.7);transition:.3s var(--ease)}
.gallery a:hover::after{opacity:1;transform:none}
.lead{max-width:60ch;margin:0 auto 2rem;text-align:center;color:var(--muted)}

/* tarifs */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);margin:1.5rem 0 1rem}
table.tarifs{width:100%;min-width:480px;border-collapse:collapse;background:#fff}
.tarifs th,.tarifs td{padding:.7rem 1rem;text-align:left}
.tarifs thead th{background:var(--ink);color:#fff}
.tarifs td+td,.tarifs th+th{text-align:center;white-space:nowrap}
.tarifs tbody tr{transition:background .2s}
.tarifs tbody tr:nth-child(even){background:#eef9fc}
.tarifs tbody tr:hover{background:#e3edff}
.tarifs tr.groupe th{background:#eef0f6;color:var(--muted);font-size:.95rem;text-align:left}
.tarifs tr.groupe:hover{background:transparent}
.note{font-size:.88rem;color:var(--muted)}

/* listes et étapes (pages prestations) */
.liste{margin:0 0 1rem;padding-left:1.2rem}
.liste li{margin:.35rem 0}
.liste li::marker{color:var(--violet)}
.steps{list-style:none;counter-reset:s;margin:0 0 1.5rem;padding:0;display:grid;gap:.9rem}
.steps li{counter-increment:s;position:relative;padding-left:3.2rem;min-height:2.4rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2.4rem;height:2.4rem;display:grid;place-items:center;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;box-shadow:0 6px 14px -6px rgba(106,31,214,.6)}
.steps b{display:block}
.steps span{color:var(--muted);font-size:.97rem}

/* qui sommes-nous */
.about{display:grid;grid-template-columns:1fr 280px;gap:2rem;align-items:start}
.about img{border-radius:var(--radius);box-shadow:var(--shadow-lg);position:sticky;top:90px}

/* ---------- Pied de page ---------- */
footer{margin-top:4rem;background:#0b1020;color:#c9d0e4;font-size:.95rem;position:relative}
footer::before{content:"";display:block;height:4px;background:var(--grad)}
.foot-in{display:flex;flex-wrap:wrap;gap:1.5rem 3rem;align-items:center;justify-content:space-between;padding:2.2rem 0}
footer a{color:#fff;font-weight:600}
footer a:hover{color:var(--cyan)}
.social{display:flex;gap:.9rem}
.social img{width:40px;height:40px;border-radius:10px;transition:transform .3s var(--ease)}
.social a:hover img{transform:translateY(-5px) rotate(-5deg)}

/* ---------- Lightbox ---------- */
.lb{position:fixed;inset:0;z-index:200;display:none;place-items:center;background:rgba(6,8,20,.92);padding:1rem}
.lb.open{display:grid;animation:fade .25s}
.lb figure{margin:0;max-width:min(1200px,96vw);text-align:center;color:#fff}
.lb img{max-height:82vh;width:auto;margin-inline:auto;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6);animation:pop .35s var(--ease)}
.lb button{position:absolute;border:0;background:rgba(255,255,255,.14);color:#fff;font-size:1.8rem;width:3rem;height:3rem;border-radius:50%;cursor:pointer;transition:background .2s}
.lb button:hover{background:rgba(255,255,255,.3)}
.lb .x{top:1rem;right:1rem}.lb .p{left:1rem;top:50%}.lb .n{right:1rem;top:50%}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:scale(.94)}}

/* ---------- Apparition au défilement ---------- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1120px){
  .burger{display:inline-block}
  #menu{display:none;flex-direction:column;width:100%;padding-bottom:1rem}
  #menu.open{display:flex}
  .nav-in{flex-wrap:wrap}
  .sub-btn{pointer-events:none;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;padding-bottom:0}
  .sub-btn.actif{background:transparent;color:var(--muted)}
  .sub-btn .caret{display:none}
  .nav .sub{display:flex;position:static;box-shadow:none;border:0;background:transparent;padding:0 0 0 .6rem;min-width:0}
}
@media(max-width:820px){
  body{font-size:17px}
  .hero-in,.hero.home .hero-in{flex-direction:column;text-align:center;gap:.6rem;min-height:0;padding:1.2rem 0}
  .hero.home .hero-in{min-height:200px;justify-content:center}
  .badge,.hero.home .badge{width:90px}
  .about{grid-template-columns:1fr}
  .about img{position:static;max-width:320px;margin-inline:auto}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}