/* =========================================================
   Chicago Executive Charters — Design System
   Dark luxury · gold accents · Sprinter-focused
   ========================================================= */
:root{
  --black:#0b0b0c;
  --black-2:#111114;
  --panel:#15151a;
  --panel-2:#1b1b21;
  --line:rgba(201,168,108,.18);
  --line-soft:rgba(255,255,255,.07);
  --gold:#c9a86c;
  --gold-2:#e8cf97;
  --gold-3:#a9854a;
  --ink:#f5f2ea;
  --muted:#b7b3a8;
  --muted-2:#8b887f;
  --white:#ffffff;
  --maxw:1240px;
  --gut:clamp(18px,4vw,40px);
  --r:14px;
  --r-sm:10px;
  --shadow:0 24px 60px -24px rgba(0,0,0,.7);
  --grad-gold:linear-gradient(180deg,var(--gold-2),var(--gold) 55%,var(--gold-3));
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--black);color:var(--ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.7;
  font-weight:400;letter-spacing:.01em;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
/* Visible keyboard focus */
a:focus-visible,button:focus-visible,.btn:focus-visible,.faq__q:focus-visible,
.nav-toggle:focus-visible,.play-btn:focus-visible,.mclose:focus-visible,
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{
  outline:2px solid var(--gold-2);outline-offset:3px;border-radius:3px
}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.12;margin:0;letter-spacing:.005em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.9rem,4.2vw,3.1rem)}
h3{font-size:clamp(1.25rem,2.4vw,1.7rem)}
p{margin:0 0 1.1em}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding:clamp(64px,9vw,128px) 0;position:relative}
.section--tight{padding:clamp(48px,6vw,84px) 0}
.center{text-align:center}
.eyebrow{
  font-family:var(--font-sans);font-size:.78rem;font-weight:600;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold);
  display:inline-flex;align-items:center;gap:.7em;margin:0 0 1.1rem
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--grad-gold);display:inline-block}
.eyebrow.center-line::after{content:"";width:34px;height:1px;background:var(--grad-gold);display:inline-block}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:62ch}
.gold{color:var(--gold)}
.serif-italic{font-style:italic}
.text-grad{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons — executive, gold, restrained */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-family:var(--font-sans);font-weight:600;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  padding:1.08em 1.95em;border-radius:3px;cursor:pointer;border:1px solid transparent;line-height:1;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,color .3s,border-color .3s,filter .3s;
  white-space:nowrap;position:relative
}
.btn svg{width:1.15em;height:1.15em}
.btn--gold{
  background:linear-gradient(180deg,#eed9a4,#cfae72 52%,#b89350);color:#1b1206;
  border-color:rgba(238,217,164,.55);
  box-shadow:0 12px 28px -14px rgba(201,168,108,.6),inset 0 1px 0 rgba(255,255,255,.4)
}
.btn--gold:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(201,168,108,.72),inset 0 1px 0 rgba(255,255,255,.45)}
.btn--ghost{background:transparent;border-color:rgba(201,168,108,.42);color:var(--gold-2)}
.btn--ghost:hover{background:var(--gold-2);border-color:var(--gold-2);color:#1b1206;transform:translateY(-2px)}
.btn--block{width:100%}
.btn--lg{padding:1.25em 2.4em;font-size:.82rem}

/* Header / Nav */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px var(--gut);transition:background .35s var(--ease),padding .35s var(--ease),box-shadow .35s var(--ease);
}
.site-header.scrolled{background:rgba(11,11,12,.92);backdrop-filter:blur(12px);padding:12px var(--gut);box-shadow:0 1px 0 var(--line-soft)}
.brand{display:flex;align-items:center;gap:13px;z-index:2}
.brand img{width:46px;height:46px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text .b1{font-size:.66rem;letter-spacing:.34em;color:var(--gold);font-weight:600}
.brand-text .b2{font-family:var(--font-serif);font-size:1.16rem;color:var(--ink);margin-top:3px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:.92rem;font-weight:500;color:var(--ink);position:relative;letter-spacing:.02em}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--grad-gold);transition:width .3s var(--ease)}
.nav a:hover{color:var(--gold)}.nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:16px}
.header-phone{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.95rem;color:var(--ink);white-space:nowrap}
.header-phone svg{width:18px;height:18px;flex:none}
.header-phone:hover{color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;color:var(--ink)}
.nav-toggle svg{width:26px;height:26px}

/* Mobile nav */
.mobile-nav{
  position:fixed;inset:0;z-index:70;background:rgba(8,8,9,.98);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;justify-content:center;gap:8px;padding:40px var(--gut);
  transform:translateX(100%);transition:transform .4s var(--ease);
}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav a{font-family:var(--font-serif);font-size:1.8rem;color:var(--ink);padding:10px 0;border-bottom:1px solid var(--line-soft)}
.mobile-nav a:hover{color:var(--gold)}
.mobile-nav .mclose{position:absolute;top:22px;right:var(--gut);background:none;border:0;color:var(--ink);cursor:pointer}
.mobile-nav .mclose svg{width:30px;height:30px}
.mobile-nav .m-actions{margin-top:26px;display:flex;flex-direction:column;gap:14px}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,11,12,.62) 0%,rgba(11,11,12,.42) 38%,rgba(11,11,12,.82) 100%)}
.hero__media::before{content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(120% 80% at 50% 10%,transparent 40%,rgba(11,11,12,.5) 100%)}
.hero__inner{position:relative;z-index:2;padding-top:120px;padding-bottom:60px;max-width:920px}
.hero h1{margin-bottom:.4em}
.hero .lead{color:#e9e6dd;max-width:54ch;font-size:clamp(1.1rem,1.8vw,1.3rem)}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero__trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:42px;color:var(--muted);font-size:.9rem}
.hero__trust span{display:inline-flex;align-items:center;gap:.5em}
.hero__trust svg{width:18px;height:18px;color:var(--gold)}
.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;color:var(--muted);
  font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint .line{width:1px;height:42px;background:linear-gradient(var(--gold),transparent);animation:scrollpulse 2.2s var(--ease) infinite}
@keyframes scrollpulse{0%{opacity:.2;transform:scaleY(.4)}50%{opacity:1}100%{opacity:.2;transform:scaleY(.4)}}

/* Marquee trust strip */
.strip{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--black-2)}
.strip .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:22px;padding-block:26px}
.strip .item{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.92rem}
.strip .item strong{color:var(--ink);font-family:var(--font-serif);font-size:1.5rem;font-weight:600}
.strip svg{width:22px;height:22px;color:var(--gold)}

/* Intro split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split__media .badge{position:absolute;left:18px;bottom:18px;background:rgba(11,11,12,.78);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:999px;padding:.5em 1.1em;font-size:.8rem;color:var(--gold);letter-spacing:.12em}
.framed{position:relative}
.framed::before{content:"";position:absolute;inset:14px;border:1px solid var(--line);border-radius:var(--r);pointer-events:none;z-index:1}

/* Services grid */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:54px}
.svc{
  background:linear-gradient(180deg,var(--panel),var(--black-2));border:1px solid var(--line-soft);
  border-radius:var(--r);padding:32px 28px;transition:border-color .3s var(--ease),transform .3s var(--ease),background .3s;
  position:relative;overflow:hidden
}
.svc::after{content:"";position:absolute;inset:0;border-radius:var(--r);padding:1px;
  background:linear-gradient(140deg,transparent,rgba(201,168,108,.4));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.svc:hover{transform:translateY(-5px);border-color:transparent}
.svc:hover::after{opacity:1}
.svc__ico{width:54px;height:54px;display:grid;place-items:center;border-radius:12px;
  background:rgba(201,168,108,.1);border:1px solid var(--line);color:var(--gold);margin-bottom:20px}
.svc__ico svg{width:28px;height:28px}
.svc h3{margin-bottom:10px}
.svc p{color:var(--muted);font-size:.97rem;margin-bottom:16px}
.svc .more{font-size:.85rem;font-weight:600;color:var(--gold);letter-spacing:.04em;display:inline-flex;gap:.4em;align-items:center}
.svc .more svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.svc:hover .more svg{transform:translateX(4px)}

/* Fleet showcase */
.fleet{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:54px}
.fleet__card{position:relative;border-radius:var(--r);overflow:hidden;background:var(--panel);border:1px solid var(--line-soft);box-shadow:var(--shadow)}
.fleet__img{position:relative;overflow:hidden;aspect-ratio:16/10}
.fleet__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.fleet__card:hover .fleet__img img{transform:scale(1.05)}
.fleet__img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,11,12,.9))}
.fleet__body{position:absolute;inset:auto 0 0 0;padding:26px;z-index:2}
.fleet__body h3{margin-bottom:6px}
.fleet__meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:.86rem;margin-top:8px}
.fleet__meta span{display:inline-flex;align-items:center;gap:.45em}
.fleet__meta svg{width:16px;height:16px;color:var(--gold)}

/* Interior gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.gallery figure{margin:0;border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;background:var(--panel)}
.gallery img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;transition:transform .8s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{padding:13px 17px;color:var(--muted);font-size:.85rem;letter-spacing:.04em;border-top:1px solid var(--line-soft)}
@media(max-width:760px){.gallery{grid-template-columns:1fr}}

/* Video showcase */
.showcase{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line-soft)}
.showcase video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;background:#000}
.showcase__overlay{position:absolute;inset:0;display:grid;place-items:center;cursor:pointer;
  background:linear-gradient(180deg,rgba(11,11,12,.25),rgba(11,11,12,.55));transition:opacity .4s var(--ease)}
.showcase__overlay.hidden{opacity:0;pointer-events:none}
.play-btn{width:88px;height:88px;border-radius:50%;border:1px solid var(--gold);background:rgba(11,11,12,.5);
  display:grid;place-items:center;color:var(--gold);transition:transform .3s var(--ease),background .3s}
.play-btn:hover{transform:scale(1.08);background:rgba(201,168,108,.18)}
.play-btn svg{width:34px;height:34px;margin-left:4px}

/* Why-us / features */
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 46px;margin-top:46px}
.feat__item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line-soft)}
.feat__num{font-family:var(--font-serif);font-size:1.1rem;color:var(--gold);min-width:38px}
.feat__item h3{font-size:1.18rem;margin-bottom:6px}
.feat__item p{color:var(--muted);font-size:.95rem;margin:0}

/* Service area */
.area{background:var(--black-2);border:1px solid var(--line-soft);border-radius:var(--r);padding:clamp(30px,4vw,52px)}
.area__cols{display:grid;grid-template-columns:repeat(4,1fr);gap:14px 26px;margin-top:26px}
.area__cols a{color:var(--muted);font-size:.95rem;padding:7px 0;border-bottom:1px solid transparent;display:flex;align-items:center;gap:.5em}
.area__cols a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);opacity:.7}
.area__cols a:hover{color:var(--gold)}

/* Testimonials */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.quote{background:linear-gradient(180deg,var(--panel),var(--black-2));border:1px solid var(--line-soft);border-radius:var(--r);padding:30px 28px;position:relative}
.quote .stars{color:var(--gold);letter-spacing:3px;margin-bottom:14px;font-size:.95rem}
.quote p{font-size:1rem;color:var(--ink);font-style:italic;margin-bottom:18px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:42px;height:42px;border-radius:50%;background:var(--grad-gold);display:grid;place-items:center;color:#1a1407;font-weight:700;font-family:var(--font-serif)}
.quote .who b{display:block;font-size:.92rem}
.quote .who span{color:var(--muted-2);font-size:.82rem}

/* FAQ */
.faq{max-width:860px;margin-inline:auto;margin-top:44px}
.faq__item{border-bottom:1px solid var(--line-soft)}
.faq__q{width:100%;text-align:left;background:none;border:0;cursor:pointer;color:var(--ink);
  font-family:var(--font-serif);font-size:1.18rem;padding:24px 44px 24px 0;position:relative;display:flex;justify-content:space-between;gap:20px}
.faq__q .pm{color:var(--gold);transition:transform .3s var(--ease);flex:none}
.faq__item.open .faq__q .pm{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq__a p{color:var(--muted);padding-bottom:24px;margin:0;font-size:.98rem}

/* Booking / CTA band */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r);background:
  linear-gradient(180deg,rgba(11,11,12,.72),rgba(11,11,12,.86)),var(--cta-img,#15151a) center/cover no-repeat;
  border:1px solid var(--line);padding:clamp(40px,6vw,80px);text-align:center}
.cta-band h2{margin-bottom:.4em}
.cta-band .lead{margin-inline:auto;margin-bottom:30px}
.cta-band .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Booking embed slot */
.book-slot{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(26px,4vw,46px);margin-top:40px}
.book-slot iframe{width:100%;min-height:680px;border:0;border-radius:var(--r-sm);background:#fff}
.book-fallback{text-align:center}
.book-fallback .or{color:var(--muted-2);font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;margin:24px 0}

/* Quote form */
.qform{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.qform .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.82rem;letter-spacing:.06em;color:var(--muted);font-weight:500}
.field input,.field select,.field textarea{
  background:var(--black-2);border:1px solid var(--line-soft);border-radius:var(--r-sm);
  color:var(--ink);padding:.85em 1em;font-family:inherit;font-size:.97rem;transition:border-color .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold)}
.field textarea{resize:vertical;min-height:110px}

/* Footer */
.site-footer{background:var(--black-2);border-top:1px solid var(--line-soft);padding-top:clamp(54px,7vw,90px)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand{margin-bottom:20px}
.foot-brand p{color:var(--muted);font-size:.95rem;max-width:36ch}
.foot-col h4{font-family:var(--font-sans);font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.foot-col a{display:block;color:var(--muted);font-size:.95rem;padding:6px 0}
.foot-col a:hover{color:var(--gold)}
.foot-contact a{display:flex;gap:.6em;align-items:flex-start}
.foot-contact svg{width:18px;height:18px;color:var(--gold);flex:none;margin-top:3px}
.foot-bottom{border-top:1px solid var(--line-soft);margin-top:54px;padding:26px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted-2);font-size:.85rem}
.foot-bottom a{color:var(--muted-2)}.foot-bottom a:hover{color:var(--gold)}

/* Sticky mobile call */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;gap:0;
  background:rgba(11,11,12,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.mobile-bar a{flex:1;text-align:center;padding:15px 8px;font-weight:600;font-size:.95rem;display:flex;align-items:center;justify-content:center;gap:.5em}
.mobile-bar a svg{width:18px;height:18px}
.mobile-bar .mb-call{color:var(--gold)}
.mobile-bar .mb-book{background:var(--grad-gold);color:#1a1407}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* Responsive */
@media(max-width:1024px){
  .svc-grid,.quotes{grid-template-columns:repeat(2,1fr)}
  .area__cols{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .feat{grid-template-columns:1fr;gap:0}
}
@media(max-width:760px){
  .nav,.header-cta .header-phone,.header-cta .btn{display:none}
  .nav-toggle{display:grid;place-items:center}
  .split,.fleet,.svc-grid,.quotes,.qform{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .area__cols{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr}
  .mobile-bar{display:flex}
  body{padding-bottom:54px}
  .hero{min-height:92svh}
  .strip .container{justify-content:flex-start;gap:18px 34px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
}