/* ===== Réservation d'appel (bk-) ===== */
.bk{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}
.bk[hidden]{display:none}
.bk-backdrop{position:absolute;inset:0;background:rgba(5,5,5,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);animation:bk-fade .35s var(--ease)}
@keyframes bk-fade{from{opacity:0}}
.bk-panel{position:relative;width:min(1020px,100%);max-height:min(720px,calc(100vh - 40px));display:grid;grid-template-columns:300px minmax(0,1fr);
  border-radius:26px;overflow:hidden;background:#0f0f0f;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 0 0 1px rgba(255,153,28,.12),0 40px 120px -30px rgba(255,134,13,.45),0 30px 80px -20px rgba(0,0,0,.8);
  animation:bk-in .5s var(--ease)}
@keyframes bk-in{from{opacity:0;transform:translateY(24px) scale(.97)}}
.bk-x{position:absolute;top:14px;right:14px;z-index:3;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);color:#fff;cursor:pointer;display:grid;place-items:center;transition:background .25s,transform .25s}
.bk-x:hover{background:rgba(255,255,255,.12);transform:rotate(90deg)}
.bk-x svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}

.bk-side{position:relative;padding:30px 26px;display:flex;flex-direction:column;gap:16px;overflow:hidden;
  background:radial-gradient(120% 70% at 0% 0%,rgba(255,134,13,.28),transparent 60%),linear-gradient(180deg,#1a120a,#120d09)}
.bk-brand{display:flex;align-items:center;gap:8px;font:700 14px/1 var(--font-display);color:#fff;margin:0}
.bk-dot{width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 12px var(--orange)}
.bk-title{margin:6px 0 0;font:700 26px/1.1 var(--font-display);letter-spacing:-.03em;color:#fff}
.bk-lead{margin:0;font-size:14.5px;line-height:1.5;color:rgba(255,255,255,.72)}
.bk-facts{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.bk-facts li{display:flex;align-items:center;gap:10px;font-size:14px;color:#fff}
.bk-facts svg{width:18px;height:18px;flex:none;fill:none;stroke:var(--orange);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.bk-steps{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.bk-steps li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.45);transition:color .3s}
.bk-steps span{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:12px;border:1.5px solid rgba(255,255,255,.2);transition:all .35s var(--ease)}
.bk-steps li.is-on{color:#fff}
.bk-steps li.is-on span{background:var(--orange);border-color:var(--orange);color:#0a0a0a;box-shadow:0 0 0 4px rgba(255,153,28,.18)}
.bk-steps li.is-done span{background:rgba(255,153,28,.2);border-color:var(--orange);color:var(--orange)}

.bk-main{position:relative;overflow:auto;padding:30px 30px 26px}
.bk-step{display:none}
.bk-step.is-on{display:flex;flex-direction:column;gap:18px;animation:bk-step .45s var(--ease)}
@keyframes bk-step{from{opacity:0;transform:translateX(18px)}}
.bk-h{margin:0;padding-right:44px;font:700 20px/1.2 var(--font-display);letter-spacing:-.02em;color:#fff}
.bk-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bk-field{display:flex;flex-direction:column;gap:7px}
.bk-field span{font-size:13px;font-weight:600;color:rgba(255,255,255,.8)}
.bk-field input,.bk-field select{width:100%;height:48px;padding:0 14px;border-radius:12px;border:1.5px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);color:#fff;font:500 16px var(--font-body);outline:none;transition:border-color .25s,box-shadow .25s,background .25s;appearance:none;-webkit-appearance:none}
.bk-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff991c' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:38px}
.bk-field select option{background:#151515;color:#fff}
.bk-field input::placeholder{color:rgba(255,255,255,.3)}
.bk-field input:focus,.bk-field select:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,153,28,.16);background:rgba(255,153,28,.05)}
.bk-field.is-bad input,.bk-field.is-bad select{border-color:#ff5c5c;box-shadow:0 0 0 4px rgba(255,92,92,.14)}
.bk-err{margin:-4px 0 0;font-size:13.5px;color:#ff8a8a}
.bk-submit{align-self:flex-start}
.bk-submit[disabled]{opacity:.6;pointer-events:none}
.bk-legal{margin:0;font-size:12px;color:rgba(255,255,255,.45)}
.bk-legal a{color:inherit;text-decoration:underline}

.bk-cal{height:100%}
.bk-cal.is-on{gap:12px}
.bk-cal-head{display:flex;align-items:center;gap:14px}
.bk-back{display:inline-flex;align-items:center;gap:4px;padding:6px 10px 6px 6px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:none;color:rgba(255,255,255,.8);font:600 13px var(--font-body);cursor:pointer}
.bk-back svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.bk-back:hover{border-color:var(--orange);color:var(--orange)}
.bk-cal-frame{position:relative;flex:1;min-height:560px;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:#141414}
.bk-cal-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.bk-loader{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px}
.bk-loader i{width:10px;height:10px;border-radius:50%;background:var(--orange);animation:bk-dots 1s ease-in-out infinite}
.bk-loader i:nth-child(2){animation-delay:.15s}.bk-loader i:nth-child(3){animation-delay:.3s}
@keyframes bk-dots{0%,100%{opacity:.3;transform:scale(.7)}50%{opacity:1;transform:none}}

.bk-done.is-on{align-items:center;justify-content:center;text-align:center;min-height:420px}
.bk-done-ico{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:var(--orange);box-shadow:0 0 0 10px rgba(255,153,28,.15),0 20px 50px -10px rgba(255,134,13,.7);animation:bk-pop .6s var(--ease)}
@keyframes bk-pop{from{transform:scale(.4);opacity:0}}
.bk-done-ico svg{width:40px;height:40px;fill:none;stroke:#0a0a0a;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.bk-done .bk-h{padding:0}
.bk-done-p{margin:0;max-width:380px;font-size:15px;line-height:1.55;color:rgba(255,255,255,.72)}
html.bk-lock{overflow:hidden}

@media (max-width:860px){
  .bk{padding:0;place-items:end stretch}
  .bk-panel{grid-template-columns:1fr;max-height:100dvh;height:100dvh;border-radius:0;animation:bk-up .45s var(--ease)}
  @keyframes bk-up{from{transform:translateY(40px);opacity:0}}
  .bk-side{padding:20px 20px 16px;gap:10px}
  .bk-title{font-size:21px;padding-right:44px}
  .bk-lead,.bk-steps{display:none}
  .bk-facts{flex-direction:row;flex-wrap:wrap;gap:8px 14px}
  .bk-facts li{font-size:12.5px}
  .bk-main{padding:20px}
  .bk-grid{grid-template-columns:1fr}
  .bk-submit{align-self:stretch;justify-content:center}
  .bk-h{padding-right:0}
  .bk-cal-frame{min-height:620px}
}
/* clair */
[data-theme="light"] .bk-panel{background:#fffdf9;border-color:rgba(60,40,20,.12);box-shadow:0 40px 120px -40px rgba(217,96,0,.45),0 30px 70px -30px rgba(60,35,10,.4)}
[data-theme="light"] .bk-backdrop{background:rgba(40,28,15,.45)}
[data-theme="light"] .bk-main .bk-h,[data-theme="light"] .bk-field input,[data-theme="light"] .bk-field select{color:#0f0f0f}
[data-theme="light"] .bk-field span{color:#3a332c}
[data-theme="light"] .bk-field input,[data-theme="light"] .bk-field select{background:#fff;border-color:rgba(60,40,20,.16)}
[data-theme="light"] .bk-field input::placeholder{color:#a69b8f}
[data-theme="light"] .bk-field select option{background:#fff;color:#0f0f0f}
[data-theme="light"] .bk-legal{color:#7a6f63}
[data-theme="light"] .bk-back{color:#3a332c;border-color:rgba(60,40,20,.2)}
[data-theme="light"] .bk-cal-frame{background:#fff;border-color:rgba(60,40,20,.12)}
[data-theme="light"] .bk-done-p{color:#5a5047}
[data-theme="light"] .bk-main .bk-x{color:#0f0f0f}
@media (prefers-reduced-motion:reduce){.bk *,.bk{animation:none!important}}