:root{
  --blue:#1B4F8A; --blue-light:#4A90D9; --blue-dark:#123A66;
  --gray:#6B7280; --gray-light:#F3F4F6; --gray-border:#E5E7EB;
  --green:#16A34A; --orange:#EA580C; --white:#fff; --ink:#111827;
  --radius:14px; --shadow:0 8px 30px rgba(17,24,39,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
a{color:var(--blue);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--blue-dark)}
.logo svg{flex:none}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--gray);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--blue)}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:600;font-size:.95rem;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-outline{border:1.5px solid var(--blue);color:var(--blue);background:transparent}
.btn-outline:hover{background:var(--blue);color:#fff}
@media(max-width:760px){.nav-links a:not(.btn){display:none}}

/* Hero */
.hero{background:linear-gradient(160deg,var(--blue-dark) 0%,var(--blue) 55%,var(--blue-light) 120%);color:#fff;padding:90px 0 84px;position:relative;overflow:hidden}
/* Décor animé identique à l'app démo : atome à 3 orbites + aéroréfrigérant */
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-bg svg{width:100%;height:100%;display:block}
.hero-grid{position:relative;z-index:1}
@keyframes atom-spin{to{transform:rotate(360deg)}}
@keyframes atom-steam{0%{transform:translateY(0) scale(.7);opacity:0}18%{opacity:.5}100%{transform:translateY(-120px) scale(2);opacity:0}}
@keyframes atom-glow{0%,100%{opacity:.35}50%{opacity:.9}}
@keyframes atom-dash{to{stroke-dashoffset:-40}}
.hero-bg .sp{animation:atom-spin 26s linear infinite;transform-origin:905px 232px}
.hero-bg .st{animation:atom-steam 6.5s ease-out infinite}
.hero-bg .gl{animation:atom-glow 3s ease-in-out infinite}
.hero-bg .dl{stroke-dasharray:6 6;animation:atom-dash 1.8s linear infinite}
@media(prefers-reduced-motion:reduce){.hero-bg .sp,.hero-bg .st,.hero-bg .gl,.hero-bg .dl{animation:none}}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.15;font-weight:800;margin-bottom:18px}
.hero p.lead{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:28px;max-width:560px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-white{background:#fff;color:var(--blue-dark)}
.hero .btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12)}
.badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:99px;font-size:.85rem;font-weight:600;margin-bottom:20px}

/* Phone mock */
.phone{width:250px;margin:0 auto;background:#0b1f38;border-radius:34px;padding:12px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.phone .screen{background:var(--gray-light);border-radius:24px;overflow:hidden;font-size:.62rem}
.phone .appbar{background:var(--blue);color:#fff;padding:10px 12px;font-weight:700;font-size:.7rem}
.phone .card{background:#fff;margin:8px;border-radius:10px;padding:9px 10px;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.phone .card b{display:block;font-size:.66rem;color:var(--ink)}
.phone .card span{color:var(--gray)}
.phone .tag{display:inline-block;background:#E8F1FB;color:var(--blue);border-radius:6px;padding:1px 6px;font-weight:600;margin-top:4px}
.phone .tag.green{background:#E7F6EC;color:var(--green)}
.phone .tabs{display:flex;justify-content:space-around;background:#fff;border-top:1px solid var(--gray-border);padding:7px 0;color:var(--gray)}
.phone .tabs .on{color:var(--blue);font-weight:700}

/* Stats */
.stats{background:var(--white);padding:36px 0;border-bottom:1px solid var(--gray-border)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
@media(max-width:700px){.stats-row{grid-template-columns:repeat(2,1fr)}}
.stat b{display:block;font-size:1.9rem;font-weight:800;color:var(--blue)}
.stat span{color:var(--gray);font-size:.9rem}

/* Sections */
section{padding:76px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-head .kicker{color:var(--blue-light);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin:8px 0 12px}
.section-head p{color:var(--gray)}
.alt{background:var(--gray-light)}

/* Feature cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card-f{background:#fff;border:1px solid var(--gray-border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card-f .icon{width:46px;height:46px;border-radius:12px;background:#E8F1FB;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.3rem}
.card-f h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.card-f p{color:var(--gray);font-size:.95rem}
.card-f ul{margin:10px 0 0 18px;color:var(--gray);font-size:.92rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
@media(max-width:860px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--gray-border)}
.step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;margin-bottom:14px}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step p{color:var(--gray);font-size:.93rem}

/* Pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
@media(max-width:860px){.price-grid{grid-template-columns:1fr}}
.price{background:#fff;border:1px solid var(--gray-border);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.price.featured{border:2px solid var(--blue);position:relative}
.price.featured::before{content:"Le plus choisi";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:.75rem;font-weight:700;padding:3px 14px;border-radius:99px}
.price h3{font-size:1.05rem;color:var(--gray)}
.price .amount{font-size:2.1rem;font-weight:800;color:var(--ink);margin:8px 0 2px}
.price .amount small{font-size:.95rem;color:var(--gray);font-weight:500}
.price ul{list-style:none;margin:18px 0 24px;flex:1}
.price li{padding:7px 0 7px 26px;position:relative;color:var(--gray);font-size:.93rem}
.price li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}
.price .btn{text-align:center}

/* Form */
.waitlist{background:linear-gradient(160deg,var(--blue-dark),var(--blue));color:#fff}
.waitlist .section-head h2,.waitlist .section-head p{color:#fff}
.waitlist .section-head p{opacity:.85}
form.wl{max-width:520px;margin:0 auto;display:grid;gap:14px}
form.wl label{font-size:.85rem;font-weight:600}
form.wl input,form.wl select{width:100%;padding:13px 14px;border-radius:10px;border:none;font-size:1rem;font-family:inherit}
form.wl .btn{margin-top:6px;background:#fff;color:var(--blue-dark);font-size:1rem}
form.wl .rgpd{font-size:.78rem;opacity:.75}

/* FAQ */
details{background:#fff;border:1px solid var(--gray-border);border-radius:12px;padding:18px 22px;margin-bottom:12px}
details summary{font-weight:600;cursor:pointer}
details p{color:var(--gray);margin-top:10px;font-size:.95rem}

/* Footer */
footer{background:#0F2440;color:rgba(255,255,255,.75);padding:48px 0 28px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
@media(max-width:700px){.foot-grid{grid-template-columns:1fr}}
footer h4{color:#fff;margin-bottom:12px;font-size:.95rem}
footer a{color:rgba(255,255,255,.75);display:block;padding:3px 0}
footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem}

/* Legal page */
.legal{padding:60px 0;max-width:760px}
.legal h1{margin-bottom:24px}
.legal h2{margin:28px 0 10px;font-size:1.2rem}
.legal p{color:var(--gray);margin-bottom:10px}


/* --- code couleur par acteur (aligne sur l'affiche A4) --- */
.price.acteur{border-top:4px solid var(--blue);position:relative}
.price.acteur h3{color:var(--blue)}
.price.acteur .amount small{display:block;font-size:.72rem;font-weight:700;margin-top:2px;color:inherit}
.price.acteur-int{border-top-color:#1B4F8A}
.price.acteur-int h3,.price.acteur-int .amount{color:#1B4F8A}
.price.acteur-prop{border-top-color:#0F9D58}
.price.acteur-prop h3,.price.acteur-prop .amount{color:#0F9D58}
.price.acteur-prop .btn-outline{color:#0F9D58;border-color:#0F9D58}
.price.acteur-emp{border-top-color:#C8102E}
.price.acteur-emp h3,.price.acteur-emp .amount{color:#C8102E}
.price.acteur-emp .btn-primary{background:#C8102E}
.price.acteur sup{font-size:.6em;color:#C8102E;font-weight:700}
.note-conv{text-align:center;color:var(--gray);font-size:.78rem;margin-top:16px;font-style:italic;line-height:1.6}
.note-conv sup{color:#C8102E;font-weight:700}


/* --- boutons de la section Logement --- */
.cta-log{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.cta-log .btn{min-width:250px;text-align:center;font-size:.95rem;padding:14px 26px}
.btn-log-search{background:var(--blue);color:#fff}
.btn-log-search:hover{background:#153F70}
.btn-log-host{background:#fff;color:#0F9D58;border:2px solid #0F9D58}
.btn-log-host:hover{background:#E4F5EB}
.cta-log-note{text-align:center;color:var(--gray);font-size:.8rem;margin-top:14px;line-height:1.6}
@media(max-width:560px){.cta-log .btn{min-width:100%}}

.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:#1B4F8A;color:#fff;padding:10px 16px;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid #4A90D9;outline-offset:2px}