:root{
  --paper:#FFFFFF; --mist:#F4F6FB; --ink:#0B0B14; --slate:#565E6E;
  --accent:#1A56DB; --accent-deep:#1749B8; --mist-deep:#E8EDF8;
  --hair:#E3E6ED; --logo-gray:#8A919E;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",ui-sans-serif,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--paper); color:var(--ink); font-size:16px; line-height:24px;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
::selection{background:var(--accent);color:#fff}

/* ---------- nav ---------- */
.site-head{background:var(--paper);border-bottom:1px solid var(--hair);position:relative;z-index:30}
.nav{display:flex;align-items:center;justify-content:space-between;height:73px}
.wordmark{font-size:18px;font-weight:700;letter-spacing:.08em;color:var(--ink);white-space:nowrap}
.nav-right{display:flex;align-items:center}
.nav-links{display:flex;gap:32px;margin-right:32px}
.nav-links a{font-size:14px;font-weight:500;color:var(--ink);transition:color .22s ease;white-space:nowrap}
.nav-links a:hover{color:var(--accent)}
.nav-links a.on{color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:500;line-height:20px;border-radius:8px;transition:background-color .28s ease-out,color .28s ease-out,border-color .28s ease-out;white-space:nowrap}
.btn-sm{padding:10px 24px;border-radius:6px}
.btn-lg{padding:14px 32px}
.btn-solid{background:var(--ink);color:#fff;border:1px solid var(--ink)}
.btn-solid:hover{background:var(--accent);border-color:var(--accent)}
.btn-solid:active{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-line:hover{color:var(--accent);border-color:var(--accent)}
.btn-ghost-w{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost-w:hover{border-color:#fff;color:#fff}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:transform .3s var(--ease),opacity .2s ease}
.mnav{display:none}
body.menu-open{overflow:hidden}
body.menu-open .mnav{display:flex;position:fixed;inset:0;background:var(--ink);z-index:50;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.mnav a{color:#fff;font-size:26px;font-weight:500;line-height:52px}
.mnav a.on{color:var(--accent)}
.mnav .btn{margin-top:20px}
.mnav-close{position:absolute;top:14px;right:20px;background:none;border:0;color:#fff;font-size:30px;line-height:1;cursor:pointer;padding:8px}

/* ---------- hero ---------- */
.hero{position:relative;padding:120px 0 100px;text-align:center;overflow:hidden;
  background:
    radial-gradient(320px circle at 63% 18%, rgba(26,86,219,.045), rgba(26,86,219,0) 70%),
    radial-gradient(680px circle at 50% 24%, rgba(232,237,248,.72), rgba(232,237,248,0) 72%),
    var(--paper);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.hero-arcs{position:absolute;top:50%;left:50%;transform:translate(-50%,-54%);width:1240px;height:560px;pointer-events:none;animation:fadeIn .6s var(--ease) both}
.hero-inner{position:relative;max-width:720px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--mist-deep);border-radius:999px;padding:5px 16px 5px 12px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.eyebrow.on-dark{background:rgba(255,255,255,.09);color:rgba(255,255,255,.78)}
h1{margin-top:32px;font-size:60px;font-weight:500;line-height:72px;letter-spacing:-.025em;color:var(--ink)}
h1 em{font-family:"Playfair Display",Georgia,"Noto Serif",serif;font-style:italic;font-weight:500}
.hero-sub{margin:24px auto 0;max-width:600px;font-size:17px;line-height:28px;color:var(--slate)}
.hero-cta{margin-top:36px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-fade{height:80px;background:linear-gradient(180deg,var(--paper),var(--mist))}
@keyframes riseIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.load-in{animation:riseIn .6s var(--ease) both}
.load-in.d1{animation-delay:.12s}.load-in.d2{animation-delay:.24s}.load-in.d3{animation-delay:.36s}

/* ---------- generic content section ---------- */
.sec{padding:128px 0;position:relative;overflow:hidden}
.sec>.wrap{position:relative;z-index:1}
.sec-mist{background:var(--mist)}
.sec-mist::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(227,230,237,.85) 1px,transparent 1px),linear-gradient(90deg,rgba(227,230,237,.85) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 85% 75% at 50% 42%,#000 25%,transparent 75%);
  mask-image:radial-gradient(ellipse 85% 75% at 50% 42%,#000 25%,transparent 75%)}
.sec-head{max-width:720px}
.sec-head h2{margin-top:24px;font-size:40px;font-weight:500;line-height:48px;letter-spacing:-.02em}
.sec-body{margin-top:20px;font-size:17px;line-height:28px;color:var(--slate);max-width:720px}
.sec-body p+p{margin-top:20px}
.tlink{display:inline-flex;align-items:center;gap:6px;margin-top:28px;font-size:16px;font-weight:500;color:var(--accent)}
.tlink .arr{transition:transform .25s var(--ease)}
.tlink:hover{text-decoration:underline;text-underline-offset:3px}
.tlink:hover .arr{transform:translateX(4px)}

/* ---------- logo band ---------- */
.logos{padding:56px 0;border-bottom:1px solid var(--hair)}
.logo-row{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.mark{display:inline-flex;align-items:center;gap:9px;color:var(--logo-gray);transition:color .4s ease-in-out}
.mark:hover{transition-duration:0s}
.mark img{height:26px;width:auto;display:block;filter:grayscale(1);opacity:.75;transition:filter .4s ease-in-out,opacity .4s ease-in-out}
.mark:hover img{transition-duration:0s;filter:none;opacity:1}
.mark .mname{font-size:15px;font-weight:700;letter-spacing:.14em}
.mark .msub{font-size:8.5px;font-weight:600;letter-spacing:.18em}
.mark .mstack{display:flex;flex-direction:column;line-height:1.35}
.mark[data-brand="marriott"]:hover{color:#8C7348}
.mark[data-brand="hilton"]:hover{color:#104C97}
.mark[data-brand="hyatt"]:hover{color:#6E2B85}
.mark[data-brand="ihg"] .mname{font-size:19px;letter-spacing:.06em}
.mark[data-brand="ihg"]:hover{color:#002856}
.mark[data-brand="onyx"] .mname{letter-spacing:.3em;font-weight:600}
.mark[data-brand="onyx"]:hover{color:var(--ink)}

/* ---------- fact strip ---------- */
.facts{padding:64px 0}
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fact{border-top:1px solid var(--hair);padding-top:20px}
.fact .flabel{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.fact .fvalue{margin-top:10px;font-size:20px;font-weight:500;line-height:28px;color:var(--ink)}

/* ---------- deep band ---------- */
.deep{background:var(--ink);color:#fff;padding:160px 0;position:relative;overflow:hidden}
.deep-art{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:760px;max-width:none;pointer-events:none}
.deep-inner{position:relative;text-align:center;max-width:680px;margin:0 auto}
.deep-inner h2{margin-top:28px;font-size:48px;font-weight:600;line-height:58px;letter-spacing:-.02em}
.deep-inner p{margin:20px auto 0;max-width:520px;font-size:17px;line-height:26px;color:rgba(255,255,255,.56)}
.glance-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px;text-align:left}
.glance .gfact{font-size:24px;font-weight:500;line-height:32px;color:#fff}
.glance .gline{margin-top:10px;font-size:15px;line-height:23px;color:rgba(255,255,255,.56)}
.deep .sec-head h2{color:#fff}

/* ---------- principles ---------- */
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:8px}
.principle{border-top:1px solid var(--hair);padding-top:28px}
.principle h3{margin-top:20px;font-size:24px;font-weight:500;line-height:32px}
.principle p{margin-top:12px;font-size:16px;line-height:26px;color:var(--slate)}

/* ---------- accreditation / single-line bands ---------- */
.band{padding:64px 0;text-align:center}
.band .bigline{margin-top:24px;font-size:40px;font-weight:500;line-height:48px;letter-spacing:-.02em}
.band .oneline{font-size:20px;font-weight:500;line-height:30px;color:var(--ink)}
.band p.note{margin:16px auto 0;font-size:17px;line-height:28px;color:var(--slate);max-width:640px}
.band p.legal{margin:0 auto;font-size:12px;line-height:18px;color:var(--slate);max-width:720px}

/* ---------- contact email ---------- */
.bigmail{display:inline-block;margin-top:24px;font-size:40px;font-weight:500;line-height:48px;letter-spacing:-.02em;color:var(--ink);transition:color .22s ease;word-break:break-all}
.bigmail:hover{color:var(--accent)}

/* ---------- closing CTA ---------- */
.closing{background:var(--mist);padding:120px 0}
.cta-card{background:var(--mist-deep);border-radius:20px;padding:80px;text-align:center}
.cta-card .eyebrow{background:#fff}
.cta-card h2{margin:20px auto 0;font-size:36px;font-weight:700;line-height:44px;letter-spacing:-.02em;max-width:620px}
.cta-card p{margin:16px auto 0;font-size:17px;line-height:26px;color:var(--slate);max-width:520px}
.cta-btns{margin-top:32px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.foot-main{padding:80px 0 64px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 4fr;gap:24px}
.foot-brand .wordmark{color:#fff}
.foot-brand .floc{margin-top:20px;font-size:15px;line-height:24px;color:rgba(255,255,255,.72)}
.foot-brand a.fmail{display:inline-block;margin-top:6px;font-size:15px;line-height:24px;color:rgba(255,255,255,.72);transition:color .22s ease}
.foot-brand a.fmail:hover{color:var(--accent)}
.foot-col a,.foot-col span{display:block;font-size:15px;line-height:36px;color:rgba(255,255,255,.72);transition:color .22s ease}
.foot-col a:hover{color:#fff}
.foot-mark{position:absolute;left:50%;bottom:8px;transform:translateX(-50%);font-size:220px;font-weight:800;letter-spacing:.05em;line-height:1;color:rgba(255,255,255,.03);white-space:nowrap;pointer-events:none;z-index:0}
.foot-legal{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12);padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.35)}

/* ---------- ArcField graphic layer ---------- */
.ghost{position:absolute;top:50%;right:-16px;transform:translateY(-50%);z-index:0;font-size:210px;font-weight:800;line-height:1;letter-spacing:.01em;color:var(--mist);white-space:nowrap;pointer-events:none;user-select:none}
.ghost.on-mist{color:var(--mist-deep)}
.ghost.left{right:auto;left:-12px}
.split{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:64px;align-items:center}
.panel{position:relative;isolation:isolate;border-radius:16px;background:var(--mist-deep);aspect-ratio:13/10;box-shadow:0 2px 12px rgba(11,11,20,.05);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.panel::before{content:"";position:absolute;inset:0;z-index:-1;transform:translate(10px,10px);border:1px solid var(--hair);border-radius:16px;pointer-events:none}
.panel:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(11,11,20,.08)}
.panel svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.panel.white{background:#fff;border:1px solid var(--hair)}
.principle{position:relative}
.principle .pnum{position:absolute;top:-72px;left:-8px;font-family:"Playfair Display",Georgia,serif;font-style:italic;font-weight:500;font-size:120px;line-height:1;color:var(--mist-deep);pointer-events:none;user-select:none}
.principle>*{position:relative}
.cta-card{position:relative;isolation:isolate;box-shadow:0 2px 12px rgba(11,11,20,.05)}
.cta-card::before{content:"";position:absolute;inset:0;z-index:-1;transform:translate(10px,10px);border:1px solid var(--hair);border-radius:20px;pointer-events:none}
.deep-art.corner{left:auto;right:-200px;top:-200px;transform:none;width:560px;height:560px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .load-in{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .card,.mark,.mark img,.nav-links a,.foot-col a,.tlink .arr,.panel{transition:none}
  .hero-arcs{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:44px}
  .panel{max-width:560px}
  .ghost{font-size:150px}
  .fact-grid{grid-template-columns:1fr 1fr}
  .glance-grid{grid-template-columns:1fr 1fr}
  .principles{grid-template-columns:1fr;max-width:640px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .nav{height:64px}
  .nav-links{display:none}
  .nav-right .btn{display:none}
  .burger{display:block}
  .hero{padding:64px 0}
  h1{font-size:36px;line-height:44px}
  .hero-fade{height:40px}
  .sec{padding:64px 0}
  .sec-head h2{font-size:28px;line-height:36px}
  .logos{padding:40px 0}
  .logo-row{justify-content:center;gap:22px 30px}
  .facts{padding:40px 0}
  .deep{padding:80px 0}
  .deep-inner h2{font-size:30px;line-height:38px}
  .deep-art{width:520px}
  .glance-grid{grid-template-columns:1fr}
  .band{padding:40px 0}
  .band .bigline{font-size:28px;line-height:36px}
  .bigmail{font-size:26px;line-height:34px}
  .closing{padding:60px 0}
  .cta-card{padding:44px 24px}
  .cta-card h2{font-size:28px;line-height:36px}
  .foot-grid{grid-template-columns:1fr}
  .foot-mark{font-size:80px}
  .ghost{font-size:104px}
  .hero-arcs{width:820px;height:371px}
  .principle .pnum{font-size:88px;top:-52px}
}