/* ==========================================================================
   Coach 21 — site.css
   Charter bus / motorcoach operator, California
   ========================================================================== */

:root{
  --ink:#0b1420;
  --ink-2:#101d2c;
  --ink-3:#16283a;
  --paper:#ffffff;
  --sand:#f7f5f1;
  --line:#e4e1db;
  --muted:#5c6672;
  --accent:#1d4ed8;
  --accent-ink:#123a9e;
  --sky:#8fb7f5;
  --radius:16px;
  --wrap:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{display:block;max-width:100%;height:auto}

a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:500;
  line-height:1.06;
  letter-spacing:-.015em;
  margin:0;
  text-wrap:balance;
}
h1{font-size:clamp(38px,5.6vw,68px)}
h2{font-size:clamp(28px,3.6vw,44px)}
h3{font-size:clamp(20px,2vw,24px);line-height:1.2;letter-spacing:-.01em}
h4{font-size:15px;font-family:var(--sans);font-weight:600;letter-spacing:.08em;text-transform:uppercase}

p{margin:0}
p+p{margin-top:14px}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{
  width:min(var(--wrap),100% - 56px);
  margin-inline:auto;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 22px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--sans);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 18px -8px rgba(29,78,216,.65);
}
.btn-primary:hover{background:var(--accent-ink);box-shadow:0 10px 24px -10px rgba(29,78,216,.7)}

.btn-dark{
  background:var(--ink);
  color:#fff;
  border-color:var(--ink);
}
.btn-dark:hover{background:var(--ink-3);border-color:var(--ink-3)}

.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
  border-color:rgba(255,255,255,.38);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  gap:34px;
  min-height:76px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:9px;
  background:
    linear-gradient(135deg,#1d4ed8 0%,#0b1420 78%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:9px 10px;
  border-radius:3px;
  border:2px solid rgba(255,255,255,.92);
  border-right-color:transparent;
  border-bottom-color:transparent;
  transform:rotate(-45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text b{
  font-family:var(--sans);
  font-size:15px;
  font-weight:700;
  letter-spacing:.14em;
}
.brand-text span{
  font-size:9px;
  font-weight:600;
  letter-spacing:.19em;
  color:var(--muted);
}

.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
  font-size:15px;
  font-weight:500;
}
.nav a{
  color:#2a3441;
  padding:6px 0;
  position:relative;
}
.nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1.5px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav a:hover::after,
.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}

.header-cta{flex:0 0 auto}

/* ---------- hero ---------- */
.hero{
  position:relative;
  isolation:isolate;
  display:flex;
  align-items:flex-end;
  min-height:min(88vh,760px);
  color:#fff;
  overflow:hidden;
  background:var(--ink);
}
.hero-img{position:absolute;inset:0;z-index:-2}
.hero-img img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center 58%;
}
.hero::after{
  content:"";
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(8,18,30,.55) 0%,rgba(8,18,30,.15) 34%,rgba(8,18,30,.55) 72%,rgba(8,18,30,.92) 100%),
    linear-gradient(92deg,rgba(8,18,30,.88) 0%,rgba(8,18,30,.45) 46%,rgba(8,18,30,.05) 78%);
}
.hero-inner{
  width:100%;
  padding:clamp(120px,16vw,190px) 0 clamp(52px,7vw,80px);
}
.hero h1{max-width:16ch;color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.28)}
.hero .lede{
  max-width:52ch;
  margin-top:20px;
  color:rgba(255,255,255,.86);
  font-size:clamp(17px,1.55vw,20px);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.hero-meta{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:clamp(40px,6vw,64px);
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-meta div{display:flex;flex-direction:column;gap:3px}
.hero-meta b{
  font-family:var(--serif);
  font-size:clamp(22px,2.4vw,28px);
  font-weight:500;
  line-height:1;
}
.hero-meta span{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(255,255,255,.7);
}

/* ---------- sections ---------- */
.section{padding:clamp(68px,8.5vw,116px) 0}
.section.tight{padding:clamp(48px,6vw,76px) 0}

.section.dark{
  background:var(--ink);
  color:#fff;
  --line:rgba(255,255,255,.14);
  --muted:rgba(255,255,255,.66);
}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .lede{color:rgba(255,255,255,.76)}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:40px;
  margin-bottom:clamp(34px,4.4vw,54px);
}
.section-head > div{max-width:62ch}
.section-head .lede{margin-top:16px}

.eyebrow{
  display:inline-block;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
}
.section.dark .eyebrow{color:var(--sky)}

.lede{
  color:var(--muted);
  font-size:clamp(16.5px,1.4vw,18.5px);
  line-height:1.62;
}

/* ---------- page head ---------- */
.page-head{
  padding:clamp(56px,7vw,92px) 0 clamp(40px,5vw,56px);
  background:
    radial-gradient(1200px 380px at 8% 0%,rgba(29,78,216,.09),transparent 62%),
    linear-gradient(180deg,var(--sand),#fff);
  border-bottom:1px solid var(--line);
}
.page-head h1{max-width:20ch}
.page-head .lede{max-width:60ch;margin-top:18px}

/* ---------- grids ---------- */
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(28px,4vw,64px);
  align-items:center;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,2.6vw,34px);
}

/* ---------- services ---------- */
.service{
  padding-top:26px;
  border-top:1px solid var(--line);
}
.service .num{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:14px;
}
.section.dark .service .num{color:var(--sky)}
.service h3{margin-bottom:10px}
.service p{color:var(--muted);font-size:16px;line-height:1.6}

/* ---------- split ---------- */
.split-img{
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--sand);
  box-shadow:0 30px 60px -40px rgba(11,20,32,.55);
}
.split-img img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.section.dark .split-img{box-shadow:0 30px 70px -40px rgba(0,0,0,.9)}

.split-copy h2{max-width:18ch}

/* ---------- checks ---------- */
.checks{
  list-style:none;
  margin:26px 0 0;
  padding:0;
  display:grid;
  gap:12px;
}
.checks li{
  position:relative;
  padding-left:30px;
  font-size:16px;
  line-height:1.5;
  color:inherit;
}
.checks li::before{
  content:"";
  position:absolute;
  left:0;top:3px;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);
}
.checks li::after{
  content:"";
  position:absolute;
  left:6px;top:8px;
  width:6px;height:3px;
  border-left:1.6px solid #fff;
  border-bottom:1.6px solid #fff;
  transform:rotate(-45deg);
}
.section.dark .checks li{color:rgba(255,255,255,.86)}

/* ---------- cards ---------- */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  border-color:#cfd7e2;
  box-shadow:0 26px 50px -34px rgba(11,20,32,.45);
}
.card-img{background:var(--sand);overflow:hidden}
.card-img img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.card:hover .card-img img{transform:scale(1.03)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px}
.card-tag{
  font-size:11px;
  font-weight:600;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--accent);
}
.card-body p{color:var(--muted);font-size:15.5px;line-height:1.55}

/* ---------- quote band + form ---------- */
.quote-band{
  background:
    radial-gradient(900px 420px at 88% 8%,rgba(29,78,216,.10),transparent 60%),
    var(--sand);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

form.quote{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:clamp(22px,3vw,32px);
  box-shadow:0 30px 60px -46px rgba(11,20,32,.4);
}
form.quote > div{display:flex;flex-direction:column;gap:7px}
form.quote .full{grid-column:1/-1}

form.quote label{
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:#46505d;
}

form.quote input,
form.quote select,
form.quote textarea{
  width:100%;
  font-family:var(--sans);
  font-size:15.5px;
  color:var(--ink);
  background:#fff;
  border:1px solid #d8dde5;
  border-radius:10px;
  padding:12px 14px;
  line-height:1.3;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
  appearance:none;
}
form.quote select{
  background-image:linear-gradient(45deg,transparent 50%,#5c6672 50%),linear-gradient(135deg,#5c6672 50%,transparent 50%);
  background-position:calc(100% - 19px) 21px,calc(100% - 14px) 21px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  padding-right:38px;
}
form.quote textarea{min-height:104px;resize:vertical}
form.quote input::placeholder,
form.quote textarea::placeholder{color:#9aa3af}

form.quote input:focus,
form.quote select:focus,
form.quote textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(29,78,216,.16);
}

form.quote .btn{width:100%;margin-top:2px}
.form-note{
  margin-top:4px !important;
  font-size:13px;
  line-height:1.5;
  color:var(--muted);
}
.form-note a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

/* ---------- gallery ---------- */
.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-auto-rows:220px;
  gap:14px;
}
.gallery figure{
  margin:0;
  border-radius:14px;
  overflow:hidden;
  background:var(--sand);
  cursor:zoom-in;
}
.gallery figure.wide{grid-column:span 2;grid-row:span 2}
.gallery img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease),opacity .3s var(--ease);
}
.gallery figure:hover img{transform:scale(1.04);opacity:.94}

.lightbox{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:5vw;
  background:rgba(7,13,21,.92);
  backdrop-filter:blur(6px);
  cursor:zoom-out;
}
.lightbox.open{display:flex}
.lightbox img{
  max-width:100%;
  max-height:100%;
  border-radius:12px;
  box-shadow:0 40px 100px -40px rgba(0,0,0,.9);
}

/* ---------- spec row ---------- */
.spec-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:8px 0 0;
}
.spec-row > div{
  padding-left:22px;
  border-left:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:4px;
}
.spec-row > div:first-child{padding-left:0;border-left:0}
.spec-row b{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(26px,3vw,36px);
  line-height:1;
}
.spec-row span{
  font-size:12px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--muted);
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:clamp(52px,6vw,78px) 0 30px;
  font-size:15px;
}
.site-footer .top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:clamp(28px,4vw,64px);
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.13);
}
.site-footer .brand-text b{color:#fff;font-family:var(--sans)}
.site-footer .brand-text span{color:rgba(255,255,255,.5)}
.site-footer p{margin-top:18px;font-size:14.5px;line-height:1.6;color:rgba(255,255,255,.62)}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:12px;letter-spacing:.16em}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer li{font-size:14.5px}
.site-footer a{color:rgba(255,255,255,.78);transition:color .16s var(--ease)}
.site-footer a:hover{color:#fff}

.legal{
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  justify-content:space-between;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.legal a{color:rgba(255,255,255,.7);text-decoration:underline;text-underline-offset:2px}

/* ---------- misc ---------- */
.section a:not(.btn){color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.section.dark a:not(.btn){color:var(--sky)}
.site-footer a{text-decoration:none}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery{grid-auto-rows:190px}
  .hero-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
  .spec-row{grid-template-columns:repeat(2,1fr);gap:22px 24px}
  .spec-row > div:nth-child(3){padding-left:0;border-left:0}
  .site-footer .top{grid-template-columns:1fr 1fr}
  .site-footer .top > div:first-child{grid-column:1/-1}
}

@media (max-width:820px){
  .wrap{width:min(var(--wrap),100% - 40px)}
  .site-header .wrap{
    flex-wrap:wrap;
    gap:10px 18px;
    padding:12px 0;
    min-height:0;
  }
  .nav{
    order:3;
    width:100%;
    margin-left:0;
    gap:20px;
    overflow-x:auto;
    scrollbar-width:none;
    padding-bottom:2px;
    font-size:14.5px;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap}
  .header-cta{margin-left:auto;padding:10px 16px;font-size:14px}
  .grid-2{grid-template-columns:1fr}
  .grid-2 .split-img{order:-1}
  .hero{min-height:auto}
  .hero-inner{padding-top:clamp(84px,22vw,130px)}
  .section-head{flex-direction:column;align-items:flex-start;gap:22px}
}

@media (max-width:640px){
  body{font-size:16px}
  .grid-3{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .gallery figure.wide{grid-column:span 2;grid-row:span 1}
  form.quote{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
  .spec-row{grid-template-columns:1fr 1fr}
  .site-footer .top{grid-template-columns:1fr}
  .legal{flex-direction:column;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* form suggest / status */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field-suggest { position: relative; }
.suggest {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 4px);
  margin: 0; padding: 6px; list-style: none; background: #fff;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 14px 34px rgba(16,20,38,.14); max-height: 240px; overflow: auto;
}
.suggest li {
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
  font-size: 14px; line-height: 1.35; color: var(--ink);
}
.suggest li:hover, .suggest li:focus { background: #f2f4f8; outline: none; }
.form-status { margin-top: 10px; font-size: 14px; color: var(--muted); }
.form-status.ok { color: #1a7f4b; font-weight: 600; }
.form-status.err { color: #b3261e; font-weight: 600; }