/* ============================================================
   NESL v2026_01 : page "Experience London" (template experience_london.php)
   Design "Redesign 3 · Experience London". Charge uniquement sur cette page (layout.php).
   ============================================================ */
.xl{
  --xl-ink:#0F1B2D; --xl-text:#334155; --xl-muted:#475569;
  --xl-blue:#1890D8; --xl-blue-d:#1276B3; --xl-blue-l:#EAF4FB; --xl-soft:#F4FAFE; --xl-line:#E5EEF6;
  --xl-violet:#7C5CFC;
  --xl-gut:clamp(20px, 4vw, 64px);
  color:var(--xl-ink);
}
.xl-wrap{ max-width:1200px; margin:0 auto; box-sizing:border-box; }
.xl h1, .xl h2, .xl h3{ color:var(--xl-ink); }

/* ---------- fil d'Ariane ---------- */
.xl-crumb{ background:#F6F9FC; border-bottom:1px solid var(--xl-line); padding:0 var(--xl-gut); }
.xl-crumb__in{ min-height:54px; display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px; padding:8px 0; }
.xl-crumb__nav{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:15px; color:var(--xl-muted); }
.xl-crumb__nav a{ color:var(--xl-muted); text-decoration:none; }
.xl-crumb__nav a:hover{ color:var(--xl-blue-d); }
.xl-crumb__cur{ color:var(--xl-ink); font-weight:600; }
.xl-crumb .crumb-google{ position:static; transform:none; margin:0; }

/* ---------- titres communs ---------- */
.xl-eyebrow{ display:block; font-size:13px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--xl-blue-d); }
.xl-h1, .xl-h2{ margin:0; font-size:clamp(28px, 3.4vw, 40px); line-height:1.12; font-weight:800; letter-spacing:-.02em; }
.xl-h1{ background:linear-gradient(120deg, #0F1B2D 0%, #1276B3 60%, #7C5CFC 100%); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent; max-width:760px; }
.xl-head{ display:flex; flex-direction:column; gap:10px; }
.xl-head--center{ align-items:center; text-align:center; }
.xl-sub{ margin:0; font-size:17px; line-height:1.65; color:var(--xl-muted); max-width:640px; }
.xl-sub--left{ max-width:none; }
.xl-sec{ padding:88px var(--xl-gut); }
.xl-sec--soft{ background:var(--xl-soft); }

/* ---------- boutons ---------- */
.xl-btn{ display:inline-flex; align-items:center; justify-content:center; box-sizing:border-box; height:52px; padding:0 28px; border-radius:10px; font-size:16px; font-weight:700; text-decoration:none; white-space:nowrap; transition:background .15s, color .15s, border-color .15s; }
.xl-btn--outline{ height:44px; padding:0 20px; font-size:15px; border:2px solid var(--xl-blue); background:#fff; color:var(--xl-blue-d); align-self:flex-start; }
.xl-btn--outline:hover{ background:var(--xl-blue-l); color:var(--xl-blue-d); }
.xl-btn--white{ background:#fff; color:var(--xl-blue-d); }
.xl-btn--white:hover{ background:var(--xl-blue-l); color:var(--xl-blue-d); }
.xl-btn--ghost{ border:2px solid #fff; color:#fff; }
.xl-btn--ghost:hover{ background:rgba(255,255,255,.14); color:#fff; }

/* ---------- 1. introduction + mosaique ---------- */
.xl-intro{ position:relative; overflow:hidden; padding:88px var(--xl-gut); }
.xl-intro__bg{ position:absolute; left:0; right:0; top:0; height:962px; pointer-events:none;
  background:radial-gradient(ellipse 45% 60% at 0% 0%, #A9DCFF 0%, rgba(212,234,249,0) 70%),
             radial-gradient(ellipse 40% 55% at 100% 0%, #E5E8FD 0%, rgba(229,232,253,0) 70%),
             linear-gradient(180deg, #F3F9FE 0%, #EAF4FB 100%); }
.xl-blob{ position:absolute; display:block; }
/* decors positionnes par rapport au CENTRE de la page (maquette 1440px, contenu 1200px centre) */
.xl-blob--1{ left:calc(50% + 320px); top:-140px; width:520px; height:420px; background:#9ACFEE; opacity:.35; border-radius:58% 42% 55% 45% / 45% 55% 45% 55%; }
.xl-blob--2{ left:calc(50% - 810px); bottom:-40px; width:300px; height:240px; background:#CFE6F6; opacity:.7; border-radius:45% 55% 40% 60% / 55% 45% 55% 45%; }
.xl-stamp{ position:absolute; left:calc(50% + 506px); top:33px; width:180px; height:auto; }
.xl-intro__in{ position:relative; z-index:1; display:flex; flex-direction:column; gap:32px; }
.xl-lead{ margin:0; font-size:19px; line-height:1.7; color:var(--xl-muted); }

.xl-mosaic{ position:relative; display:grid; grid-template-columns:repeat(4, minmax(0, 1fr)); grid-auto-rows:280px; gap:20px; }
.xl-plane{ position:absolute; left:calc(50% + 187px); top:-25px; width:224px; height:auto; transform:rotate(-10deg); z-index:2; pointer-events:none; } /* dans le conteneur du contenu */
.xl-tile{ position:relative; display:flex; flex-direction:column; justify-content:flex-end; border-radius:20px; overflow:hidden; color:#fff; text-decoration:none; min-height:0; background:#CFE6F6; }
.xl-tile img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
a.xl-tile:hover img{ transform:scale(1.04); }
a.xl-tile:focus-visible{ outline:3px solid var(--xl-blue); outline-offset:3px; }
.xl-tile__scrim{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(15,27,45,0) 35%, rgba(15,27,45,.72) 100%); }
.xl-tile__txt{ position:relative; padding:28px; display:flex; flex-direction:column; gap:8px; }
.xl-tile__t{ font-size:24px; font-weight:800; line-height:1.15; }
.xl-tile__d{ font-size:15px; line-height:1.55; color:#EAF4FB; }
.xl-tile--1{ grid-column:1; grid-row:1 / span 2; }
.xl-tile--1 img{ object-position:50% 40%; }
.xl-tile--1 .xl-tile__t, .xl-tile--2 .xl-tile__t{ font-size:28px; }
.xl-tile--1 .xl-tile__d, .xl-tile--2 .xl-tile__d{ font-size:16px; }
.xl-tile--2{ grid-column:2 / span 2; grid-row:1; }
.xl-tile--3{ grid-column:4; grid-row:1; }
.xl-tile--3 img{ object-position:43% 85%; }
.xl-tile--4{ grid-column:2; grid-row:2; }
.xl-tile--5{ grid-column:3 / span 2; grid-row:2; }
.xl-tile--5 img{ object-position:50% 40%; }

/* ---------- 2. activites ---------- */
.xl-sec--soft > .xl-wrap{ display:flex; flex-direction:column; gap:44px; }
.xl-acts{ display:grid; grid-template-columns:repeat(auto-fit, minmax(300px, 1fr)); gap:36px 40px; }
.xl-act{ display:flex; gap:16px; align-items:flex-start; }
.xl-act__ic{ width:52px; height:52px; flex:0 0 52px; border-radius:14px; background:var(--xl-blue-l); color:var(--xl-blue); display:flex; align-items:center; justify-content:center; }
.xl-act h3{ margin:0 0 4px; font-size:19px; font-weight:700; }
.xl-act p{ margin:0; font-size:15px; line-height:1.6; color:var(--xl-muted); }

/* ---------- 3. avant / pendant / apres + encart ---------- */
.xl-split{ display:flex; flex-wrap:wrap; gap:48px; align-items:flex-start; }
.xl-split__main{ flex:1 1 520px; display:flex; flex-direction:column; gap:24px; }
.xl-steps{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.xl-steps li{ display:flex; gap:16px; align-items:flex-start; }
.xl-steps__n{ width:36px; height:36px; flex:0 0 36px; border-radius:50%; background:var(--xl-blue); color:#fff; font-weight:800; display:flex; align-items:center; justify-content:center; }
.xl-steps strong{ font-size:17px; }
.xl-steps p{ margin:2px 0 0; font-size:15px; line-height:1.6; color:var(--xl-muted); }
.xl-info{ flex:1 1 380px; background:var(--xl-blue-l); border-radius:20px; padding:32px; display:flex; flex-direction:column; gap:14px; box-sizing:border-box; }
.xl-info__ic{ width:48px; height:48px; border-radius:12px; background:#fff; color:var(--xl-blue); display:flex; align-items:center; justify-content:center; }
.xl-info h3{ margin:0; font-size:22px; font-weight:800; }
.xl-info p{ margin:0; font-size:16px; line-height:1.6; color:var(--xl-text); }
.xl-info__more{ border-top:1px solid #CFE6F6; padding-top:14px; display:flex; flex-direction:column; gap:10px; }
.xl-info__more strong{ font-size:15px; }
.xl-info__more span{ font-size:14px; line-height:1.55; color:var(--xl-muted); }

/* ---------- 4. videos ---------- */
.xl-vhead{ display:flex; flex-wrap:wrap; justify-content:space-between; align-items:flex-end; gap:20px; }
.xl-soc{ display:flex; flex-wrap:wrap; gap:10px; }
.xl-soc a{ height:44px; padding:0 18px; display:inline-flex; align-items:center; border-radius:10px; background:var(--xl-blue-l); color:var(--xl-blue-d); font-size:15px; font-weight:700; text-decoration:none; }
.xl-soc a:hover{ background:var(--xl-blue); color:#fff; }
.xl-videos{ display:grid; grid-template-columns:repeat(auto-fit, minmax(320px, 1fr)); gap:24px; }
.xl-video{ margin:0; display:flex; flex-direction:column; gap:12px; }
.xl-video__btn, .xl-video iframe{ position:relative; display:block; width:100%; aspect-ratio:16 / 9; border:0; padding:0; border-radius:20px; overflow:hidden; background:#CFE6F6; cursor:pointer; }
.xl-video__btn img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.xl-video__play{ position:absolute; left:50%; top:50%; width:64px; height:64px; margin:-32px 0 0 -32px; border-radius:50%; background:#fff; color:var(--xl-blue); display:flex; align-items:center; justify-content:center; box-shadow:0 8px 24px rgba(15,27,45,.25); transition:transform .2s; }
.xl-video__btn:hover .xl-video__play, .xl-video__btn:focus-visible .xl-video__play{ transform:scale(1.08); }
.xl-video__btn:focus-visible{ outline:3px solid var(--xl-blue); outline-offset:3px; }
.xl-video figcaption{ font-size:16px; font-weight:700; }

/* ---------- 5. bandeau final ---------- */
.xl-cta{ background:linear-gradient(120deg, #1890D8 0%, #3D7BE0 50%, #7C5CFC 100%); box-shadow:0 20px 44px rgba(70,60,180,.24); border-radius:16px; padding:clamp(28px, 4vw, 48px) clamp(28px, 4vw, 56px); display:flex; flex-wrap:wrap; gap:24px; align-items:center; justify-content:space-between; }
.xl-cta__txt{ flex:1 1 420px; display:flex; flex-direction:column; gap:8px; }
.xl-cta__txt h2{ margin:0; font-size:clamp(26px, 3vw, 34px); line-height:1.15; font-weight:800; color:#fff; }
.xl-cta__txt p{ margin:0; font-size:17px; line-height:1.55; color:#EAF4FB; }
.xl-cta__acts{ display:flex; flex-wrap:wrap; gap:12px; }

/* ---------- responsive ---------- */
/* tampon : son bord droit est a centre + 686px, il serait coupe sous ~1380px */
@media (max-width:1379px){ .xl-stamp{ display:none; } }
@media (max-width:1100px){
  .xl-mosaic{ grid-template-columns:repeat(2, minmax(0, 1fr)); grid-auto-rows:260px; }
  .xl-tile--1{ grid-column:1; grid-row:1 / span 2; }
  .xl-tile--2{ grid-column:2; grid-row:1; }
  .xl-tile--3{ grid-column:2; grid-row:2; }
  .xl-tile--4{ grid-column:1; grid-row:3; }
  .xl-tile--5{ grid-column:2; grid-row:3; }
}
@media (max-width:767px){
  .xl-sec, .xl-intro{ padding-top:56px; padding-bottom:56px; }
  .xl-sec--soft > .xl-wrap{ gap:32px; }
  .xl-lead{ font-size:17px; }
  .xl-lead br{ display:none; }
  .xl-stamp{ display:none; }
  .xl-plane{ display:none; }
  .xl-mosaic{ grid-template-columns:1fr 1fr; grid-auto-rows:auto; gap:14px; }
  .xl-tile{ height:220px; }
  .xl-tile--1{ grid-column:1 / -1; grid-row:auto; height:300px; }
  .xl-tile--2, .xl-tile--5{ grid-column:1 / -1; grid-row:auto; height:230px; }
  .xl-tile--3, .xl-tile--4{ grid-column:auto; grid-row:auto; height:200px; }
  .xl-tile__txt{ padding:20px; }
  .xl-tile--3 .xl-tile__txt, .xl-tile--4 .xl-tile__txt{ padding:16px; }
  .xl-tile__t, .xl-tile--1 .xl-tile__t, .xl-tile--2 .xl-tile__t{ font-size:22px; }
  .xl-tile--3 .xl-tile__t, .xl-tile--4 .xl-tile__t{ font-size:18px; }
  .xl-tile__d, .xl-tile--1 .xl-tile__d, .xl-tile--2 .xl-tile__d{ font-size:14px; }
  .xl-tile--3 .xl-tile__d, .xl-tile--4 .xl-tile__d{ font-size:13px; }
  .xl-acts{ grid-template-columns:1fr; gap:24px; }
  .xl-split{ gap:32px; }
  .xl-split__main, .xl-info{ flex-basis:100%; }
  .xl-info{ padding:24px; }
  .xl-videos{ grid-template-columns:1fr; }
  .xl-cta__acts, .xl-cta__acts .xl-btn{ width:100%; }
}
@media (prefers-reduced-motion:reduce){
  .xl-tile img, .xl-video__play{ transition:none; }
}