/* AB Advisory Logistics, feuille de style unique */
:root{
  --paper:#ffffff; --mist:#f5f5f7; --ink:#1d1d1f; --asphalt:#2c2c2e; --muted:#6e6e73;
  --line:#d2d2d7; --edge:#b9b9bf; --signal:#f2b705; --link:#0058b8;
  --btn-bg:#1d1d1f; --btn-text:#ffffff; --tile-dark:#1d1d1f; --tile-dark-text:#f5f5f7; --tile-dark-muted:#a1a1a6;
  --field:#ffffff; --err:#c4141c; --nav:rgba(255,255,255,.78);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#000000; --mist:#161617; --ink:#f5f5f7; --asphalt:#2c2c2e; --muted:#a1a1a6;
    --line:#38383a; --edge:#5a5a5e; --signal:#f2b705; --link:#4da3ff;
    --btn-bg:#f5f5f7; --btn-text:#000000; --tile-dark:#1c1c1e; --tile-dark-text:#f5f5f7; --tile-dark-muted:#a1a1a6;
    --field:#1c1c1e; --err:#ff6961; --nav:rgba(22,22,23,.78);
  }
  .tile-dark{box-shadow:inset 0 0 0 1px #38383a}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.55;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--link);outline-offset:3px;border-radius:6px}
img,svg{max-width:100%}
p{margin:0 0 1em}
.wrap{width:min(1120px,100% - 48px);margin-inline:auto}
.narrow{width:min(780px,100% - 48px);margin-inline:auto}
.skip{position:absolute;left:12px;top:-60px;background:var(--btn-bg);color:var(--btn-text);padding:10px 16px;border-radius:10px;z-index:100}
.skip:focus{top:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:var(--nav);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600;font-size:16px;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand-mark{width:28px;height:28px;flex:none}
.nav-list{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--ink);font-size:13.5px;opacity:.82}
.nav-list a:hover{opacity:1;text-decoration:none}
.nav-list .nav-cta{opacity:1;background:var(--btn-bg);color:var(--btn-text);padding:7px 15px;border-radius:980px;font-weight:500}
.menu-btn{display:none;background:none;border:0;color:var(--ink);font:inherit;font-size:15px;padding:8px 4px;cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav-list{display:none;position:absolute;top:56px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:6px 24px 22px}
  .nav-list.open{display:flex}
  .nav-list li{width:100%}
  .nav-list a{display:block;padding:13px 0;font-size:17px;opacity:1;border-bottom:1px solid var(--line)}
  .nav-list .nav-cta{display:inline-block;margin-top:16px;border-bottom:0;padding:10px 20px}
}

/* Typographie */
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.03em;line-height:1.08}
.display{font-size:clamp(44px,7.4vw,92px);letter-spacing:-.048em;line-height:1.02}
.h2{font-size:clamp(32px,4.8vw,54px)}
.h3{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.025em;line-height:1.15}
.lead{font-size:clamp(19px,2vw,23px);line-height:1.42;color:var(--muted);letter-spacing:-.016em;max-width:38em}
.muted{color:var(--muted)}
.small{font-size:14.5px;color:var(--muted)}
.fine{font-size:13.5px;color:var(--muted)}

/* Sections */
.section{padding:clamp(84px,11vw,144px) 0}
.section-mist{background:var(--mist)}
.section-head{max-width:46em;margin-bottom:clamp(40px,6vw,64px)}
.section-head .lead{margin-top:18px}
.center{text-align:center}
.center .lead,.center.section-head{margin-inline:auto}

/* Héro + route */
.hero{padding:clamp(88px,12vw,168px) 0 clamp(56px,7vw,88px);text-align:center}
.hero .display{max-width:13ch;margin:0 auto 26px}
.hero .lead{margin:0 auto 38px}
.reveal{opacity:0;transform:translateY(12px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.reveal.d2{animation-delay:.1s}.reveal.d3{animation-delay:.2s}
@keyframes rise{to{opacity:1;transform:none}}
.road{position:relative;height:84px;background:var(--mist);border-top:2px solid var(--edge);border-bottom:2px solid var(--edge)}
.road::after{content:"";position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;
  background:repeating-linear-gradient(90deg,var(--signal) 0 56px,transparent 56px 104px);
  animation:drive 1.6s cubic-bezier(.15,.7,.2,1) .25s both}
@keyframes drive{from{background-position:-624px 0;opacity:0}to{background-position:0 0;opacity:1}}
@media (prefers-reduced-motion: reduce){.reveal,.road::after{animation:none;opacity:1;transform:none}}

.btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:980px;
  background:var(--btn-bg);color:var(--btn-text);font:inherit;font-size:17px;font-weight:500;border:0;cursor:pointer;letter-spacing:-.01em}
.btn:hover{text-decoration:none;opacity:.88}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn-ghost:hover{opacity:1;background:var(--mist)}

/* Deux services */
.duo{display:grid;grid-template-columns:7fr 5fr;gap:20px}
@media (max-width:900px){.duo{grid-template-columns:1fr}}
.tile{border-radius:30px;padding:clamp(34px,4.4vw,56px);display:flex;flex-direction:column;min-height:460px}
.tile h3{font-size:clamp(28px,3.2vw,40px);letter-spacing:-.035em;margin-bottom:16px}
.tile p{max-width:30em}
.tile-dark{background:var(--tile-dark);color:var(--tile-dark-text);position:relative;overflow:hidden}
.tile-dark p{color:var(--tile-dark-muted)}
.tile-dark::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--signal) 0 40px,transparent 40px 76px)}
.tile-dark a{color:#8cc4ff}
.tile-light{background:var(--mist)}
.section-mist .tile-light{background:var(--paper)}
.tile-light p{color:var(--muted)}
.tile .price{margin-top:auto;padding-top:32px}
.price-from{font-size:15px;opacity:.75}
.price-amount{display:block;font-size:clamp(46px,5vw,60px);font-weight:700;letter-spacing:-.05em;line-height:1.05}
.price-note{font-size:14px;opacity:.75}
.tile .links{display:flex;flex-wrap:wrap;gap:22px;margin-top:24px;font-size:17px}
@media (max-width:900px){.tile{min-height:0}}

/* Missions */
.missions{display:grid;grid-template-columns:1fr 1fr;column-gap:56px}
@media (max-width:760px){.missions{grid-template-columns:1fr}}
.mission{border-top:1px solid var(--line);padding:24px 0 20px}
.mission h3{font-size:18px;letter-spacing:-.018em;line-height:1.3;margin-bottom:6px;font-weight:600}
.mission p{color:var(--muted);margin:0;font-size:16px}
.disclaimer{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--muted);max-width:52em}

/* Itinéraire (étapes réelles) */
.route{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;counter-reset:etape}
.route::before{content:"";position:absolute;left:20px;right:calc((100% - 84px) / 4 - 20px);top:19px;height:3px;
  background:repeating-linear-gradient(90deg,var(--signal) 0 22px,transparent 22px 38px)}
.route li{position:relative;counter-increment:etape}
.route li::before{content:counter(etape);position:relative;z-index:1;display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;background:var(--btn-bg);color:var(--btn-text);font-weight:600;font-size:16px;margin-bottom:18px;
  box-shadow:0 0 0 6px var(--paper)}
.section-mist .route li::before{box-shadow:0 0 0 6px var(--mist)}
.route b{display:block;font-size:17px;margin-bottom:4px;letter-spacing:-.015em}
.route span{display:block;color:var(--muted);font-size:15.5px}
@media (max-width:820px){
  .route{grid-template-columns:1fr;gap:26px}
  .route::before{left:18px;right:auto;top:20px;bottom:20px;width:3px;height:auto;
    background:repeating-linear-gradient(180deg,var(--signal) 0 18px,transparent 18px 32px)}
  .route li{padding-left:62px;min-height:40px}
  .route li::before{position:absolute;left:0;top:0;margin:0}
}
.route-block{margin-top:clamp(56px,7vw,88px)}
.route-block h3{margin-bottom:32px}

/* Tarifs */
.plans{display:grid;grid-template-columns:3fr 2fr;gap:20px;align-items:stretch}
@media (max-width:860px){.plans{grid-template-columns:1fr}}
.plan{border-radius:30px;padding:clamp(32px,4vw,52px);display:flex;flex-direction:column}
.plan-main{background:var(--paper);box-shadow:inset 0 0 0 2px var(--ink)}
.plan-alt{background:var(--mist)}
.plan h3{font-size:22px;letter-spacing:-.02em;margin-bottom:18px}
.plan .price-amount{font-size:clamp(56px,6vw,76px)}
.plan .price-note{display:block;margin-top:6px}
.plan ul{list-style:none;margin:30px 0 34px;padding:0}
.plan li{padding:12px 0 12px 30px;border-top:1px solid var(--line);position:relative;font-size:16px}
.plan li::before{content:"";position:absolute;left:3px;top:20px;width:13px;height:7px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}
.plan .btn{margin-top:auto;align-self:flex-start}
.plans-note{margin-top:28px;max-width:52em}

/* Pack */
.split .h2{font-size:clamp(32px,4vw,48px)}
.split{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,7vw,96px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.includes{list-style:none;margin:0;padding:0}
.includes li{border-top:1px solid var(--line);padding:26px 0}
.includes li:last-child{border-bottom:1px solid var(--line)}
.includes h3{font-size:21px;letter-spacing:-.02em;margin-bottom:6px;font-weight:600}
.includes p{margin:0;color:var(--muted)}
.pack-price{margin-top:36px}

/* À propos */
.about{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.about-mark{width:clamp(88px,12vw,132px);height:auto}
@media (max-width:640px){.about{grid-template-columns:1fr}}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;
  padding:24px 0;font-size:clamp(17px,1.8vw,20px);font-weight:600;letter-spacing:-.018em;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:11px;height:11px;margin-top:6px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(225deg);margin-top:11px}
.faq .answer{padding:0 0 26px;color:var(--muted);max-width:44em}
.faq .answer p:last-child{margin-bottom:0}
@media (prefers-reduced-motion: reduce){.faq summary::after{transition:none}}

/* Formulaires */
.form-card{background:var(--mist);border-radius:28px;padding:clamp(26px,4vw,44px)}
.form-section{background:var(--paper);border-radius:28px;padding:clamp(26px,4vw,44px);border:0;margin:0 0 20px}
.form-section{min-width:0}
.form-section > legend{float:left;width:100%;padding:0;margin-bottom:8px;font-size:clamp(21px,2.4vw,26px);font-weight:700;letter-spacing:-.025em;line-height:1.2}
.form-section > legend + *{clear:left}
.form-intro{color:var(--muted);font-size:15.5px;margin:0 0 26px}
.field{margin-bottom:24px}
.field:last-child{margin-bottom:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.grid-2 > .field,.grid-2 > fieldset.group{display:flex;flex-direction:column;justify-content:flex-end;margin-bottom:24px}
@media (max-width:640px){.grid-2{grid-template-columns:1fr}}
label.lbl,.lbl{display:block;font-weight:600;font-size:15.5px;margin-bottom:7px;letter-spacing:-.01em}
.req{color:var(--err);font-weight:600}
.hint{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:2px}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=date],select,textarea{
  width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--field);border:1px solid var(--edge);
  border-radius:12px;padding:12px 14px;min-height:48px;appearance:none;-webkit-appearance:none}
textarea{min-height:104px;resize:vertical;line-height:1.45}
select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 21px) 52%,calc(100% - 15px) 52%;background-size:6px 6px;background-repeat:no-repeat;padding-right:42px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--link);box-shadow:0 0 0 4px color-mix(in srgb,var(--link) 22%,transparent)}
fieldset.group{border:0;margin:0 0 24px;padding:0;min-width:0}
fieldset.group > legend{padding:0;margin-bottom:9px;font-weight:600;font-size:15.5px;letter-spacing:-.01em}
.choices{display:flex;flex-wrap:wrap;gap:8px}
.choices label{display:inline-flex;align-items:center;gap:9px;font-size:15px;background:var(--mist);padding:10px 15px;border-radius:980px;cursor:pointer;line-height:1.3}
.form-card .choices label{background:var(--paper)}
.choices label:has(input:checked){box-shadow:inset 0 0 0 1.5px var(--ink)}
.choices input{accent-color:var(--ink);margin:0;width:17px;height:17px;flex:none}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;cursor:pointer}
.check input{margin-top:3px;width:19px;height:19px;flex:none;accent-color:var(--ink)}
.field-error{display:none;color:var(--err);font-size:14px;margin-top:7px;font-weight:500}
.is-invalid .field-error{display:block}
.is-invalid input:not([type=radio]):not([type=checkbox]),.is-invalid select,.is-invalid textarea{border-color:var(--err)}
.note-box{background:var(--mist);border-radius:16px;padding:18px 20px;font-size:15px;color:var(--muted);margin-top:4px}
.submit-row{display:flex;flex-direction:column;align-items:center;gap:14px;padding-top:12px;text-align:center}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.page-form{background:var(--mist)}
.reserve{display:grid;grid-template-columns:6fr 5fr;gap:clamp(32px,5vw,72px);align-items:start}
@media (max-width:900px){.reserve{grid-template-columns:1fr}}
.reserve .route{grid-template-columns:1fr;gap:26px}
.reserve .route::before{left:18px;right:auto;top:20px;bottom:20px;width:3px;height:auto;
  background:repeating-linear-gradient(180deg,var(--signal) 0 18px,transparent 18px 32px)}
.reserve .route li{padding-left:62px;min-height:40px}
.reserve .route li::before{position:absolute;left:0;top:0;margin:0}
.antifraud{margin-top:30px;border-left:3px solid var(--signal);padding:4px 0 4px 18px;font-size:15.5px}

/* Contact */
.contact-mail{font-size:clamp(17px,4.6vw,36px);font-weight:600;letter-spacing:-.03em;word-break:break-word}

/* Pages légales */
.legal{padding:clamp(70px,9vw,120px) 0}
.legal h1{font-size:clamp(36px,5vw,56px);margin-bottom:14px}
.legal h2{font-size:clamp(24px,2.6vw,30px);margin:56px 0 14px;letter-spacing:-.025em}
.legal h3{font-size:18px;margin:30px 0 8px;letter-spacing:-.015em;font-weight:600}
.legal p,.legal li{max-width:44em}
.legal ul{padding-left:1.2em}
.legal li{margin-bottom:6px}
.legal .callout{background:var(--mist);border-radius:16px;padding:16px 20px;color:var(--muted);font-size:15px}
.legal address{font-style:normal}

/* Pied de page */
.site-footer{background:var(--mist);border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:40px 0 48px}
.site-footer .wrap{display:grid;grid-template-columns:1fr auto;gap:20px 40px}
.site-footer p{margin:0 0 4px}
.site-footer nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--ink)}
.site-footer strong{color:var(--ink);font-weight:600}
@media (max-width:700px){.site-footer .wrap{grid-template-columns:1fr}}