/* Certavia site.css
   Palette locked from Certavia_Brand_Brief.pdf. Do not re-derive. */

:root{
  --green:#0B2119;
  --chalk:#E6DFD2;
  --ink:#080A0C;
  --ox:#B02438;
  --ox-deep:#8C1F2E;
  --stone:#6E6660;
  --off:#C8C0B4;

  --display:'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --ui:'Archivo', 'Helvetica Neue', Arial, sans-serif;

  --gut:clamp(20px, 4.5vw, 72px);
  --ease:cubic-bezier(.16, 1, .3, 1);

  /* 4px scale */
  --s1:4px; --s2:8px; --s3:16px; --s4:24px; --s5:32px;
  --s6:48px; --s7:64px; --s8:96px; --s9:128px; --s10:192px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img,video{display:block;max-width:100%}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
input,textarea{font:inherit;color:inherit;background:none;border:0;border-radius:0}
a{color:inherit;text-decoration:none}

/* ---------- browser surfaces ---------- */
::selection{background:var(--ox);color:var(--chalk)}
body{caret-color:var(--ox)}
html{scrollbar-color:var(--stone) transparent;scrollbar-width:thin}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-thumb{background:var(--stone)}
::-webkit-scrollbar-track{background:transparent}
:focus{outline:none}
:focus-visible{outline:1px solid var(--ox);outline-offset:3px}
.dark :focus-visible{outline-color:var(--off)}

/* ---------- base type ---------- */
body{
  font-family:var(--ui);
  font-weight:300;
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:var(--chalk);
  -webkit-font-smoothing:antialiased;
}
.dark{background:var(--green);color:var(--chalk)}
.dark p{font-weight:350;letter-spacing:.005em;line-height:1.7}

h1,h2,h3{font-weight:400}

.display,.hero-copy h1,.page-head h1,.lot-head h1,.marque-head h2,.form-wrap h1,.about-close{
  font-family:var(--display);
  font-weight:200;
  line-height:1.3;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.cmark{display:block;width:26px;height:26px}
.brand .cmark{margin:0 auto 7px}
.foot-grid .cmark{width:22px;height:22px;margin:0 0 12px}
.label{
  font-family:var(--ui);
  font-weight:500;
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
}
.num{font-variant-numeric:tabular-nums}

a.u{border-bottom:1px solid currentColor;padding-bottom:1px}
a.u:hover{opacity:.7}
p a{border-bottom:1px solid var(--off);padding-bottom:1px;text-underline-offset:4px}

/* ---------- top bar ---------- */
.topbar{
  position:absolute;inset:0 0 auto 0;z-index:40;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  padding:var(--s4) var(--gut);
  color:var(--chalk);
}
.topbar.solid{position:absolute;color:var(--ink)}
.topbar .menu-btn{display:flex;align-items:center;gap:var(--s2);justify-self:start}
.menu-btn .glyph{display:block;width:19px}
.menu-btn .glyph span{display:block;height:1.5px;background:currentColor;margin:5px 0}
.menu-btn .txt,.topbar .util a{font-family:var(--ui);font-weight:500;font-size:12px;letter-spacing:.22em;text-transform:uppercase}
.brand{justify-self:center;text-align:center;line-height:1.2}
.brand .word{font-family:var(--ui);font-weight:500;font-size:16px;letter-spacing:.34em;text-transform:uppercase;margin-right:-.34em}
.brand .desc{display:block;font-weight:400;font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;margin-top:3px;margin-right:-.28em;opacity:.9}
.hero .topbar{text-shadow:0 1px 14px rgba(8,10,12,.5),0 0 2px rgba(8,10,12,.35)}
.hero .topbar .glyph span,.hero .topbar .cmark{filter:drop-shadow(0 1px 6px rgba(8,10,12,.45))}
.topbar .util{justify-self:end}
.topbar .util a:hover,.menu-btn:hover{opacity:.75}

/* ---------- hero ---------- */
.hero{position:relative;height:100svh;background:var(--green);overflow:hidden;color:var(--chalk)}
.hero video,.hero .fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scrim-top,.scrim-bot{position:absolute;left:0;right:0;pointer-events:none}
.scrim-top{top:0;height:26vh;background:linear-gradient(to bottom,rgba(8,10,12,.55),rgba(8,10,12,0))}
.scrim-bot{bottom:0;height:34vh;background:linear-gradient(to top,rgba(11,33,25,.55),rgba(11,33,25,0))}
.hero-copy{
  position:absolute;left:var(--gut);right:var(--gut);bottom:clamp(48px,9vh,104px);z-index:10;
}
.hero-copy h1{
  font-size:clamp(22px,2.9vw,42px);
  line-height:1.4;
}
.hero-cta{
  display:inline-block;margin-top:var(--s4);
  padding-bottom:5px;
  border-bottom:1px solid rgba(230,223,210,.55);
  font-family:var(--ui);font-weight:400;font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  transition:border-color .35s var(--ease),opacity .35s var(--ease);
  opacity:.85;
}
.hero-cta:hover{opacity:1;border-color:var(--chalk)}
.hero-still{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 2s var(--ease)}
.hero.settled .hero-still{opacity:1}
.hero.settled video{opacity:0;transition:opacity 2s var(--ease)}
.hero.settled .vid-toggle{opacity:0;pointer-events:none}
.vid-toggle{
  position:absolute;right:var(--gut);bottom:clamp(28px,5vh,56px);z-index:10;
  width:40px;height:40px;border:1px solid rgba(230,223,210,.35);border-radius:50%;
  display:grid;place-items:center;opacity:.55;transition:opacity .3s,border-color .3s;
}
.vid-toggle:hover,.vid-toggle:focus-visible{opacity:1;border-color:rgba(230,223,210,.8)}
.vid-toggle svg{width:10px;height:10px;fill:var(--chalk)}
.vid-toggle .ic-pause{display:block}
.vid-toggle .ic-play{display:none}
.vid-toggle[data-state="paused"] .ic-pause{display:none}
.vid-toggle[data-state="paused"] .ic-play{display:block}

/* entrance: visible by default, JS arms before first paint */
.rise{transform:none;opacity:1}
.arm .rise{opacity:0;transform:translateY(26px)}
.arm.go .rise{opacity:1;transform:none;transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
.arm.go .rise.d2{transition-delay:.15s}

/* ---------- menu overlay ---------- */
.overlay{
  position:fixed;inset:0;z-index:90;background:var(--green);color:var(--chalk);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:var(--s7) var(--gut) var(--s5);
  visibility:hidden;opacity:0;transition:opacity .4s var(--ease),visibility 0s .4s;
}
.overlay.open{visibility:visible;opacity:1;transition:opacity .4s var(--ease)}
.overlay nav{display:flex;flex-direction:column;align-items:flex-start;gap:clamp(4px,1vh,12px);margin-top:var(--s6)}
.overlay nav a{
  font-family:var(--display);
  font-weight:200;
  font-size:clamp(26px,4.5vw,52px);
  line-height:1.35;letter-spacing:.14em;text-transform:uppercase;
  opacity:0;transform:translateX(-22px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.overlay.open nav a{opacity:1;transform:none}
.overlay.open nav a:nth-child(1){transition-delay:.05s}
.overlay.open nav a:nth-child(2){transition-delay:.1s}
.overlay.open nav a:nth-child(3){transition-delay:.15s}
.overlay.open nav a:nth-child(4){transition-delay:.2s}
.overlay nav a:hover{opacity:.7}
.overlay nav a .idx{font-family:var(--ui);font-weight:400;font-size:12px;letter-spacing:.1em;vertical-align:super;margin-right:14px;opacity:.5;font-variant-numeric:tabular-nums}
.overlay-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--s4);flex-wrap:wrap}
.overlay-foot .label{opacity:.6}
.overlay-foot a:hover{opacity:1}
.overlay .close-btn{position:absolute;top:var(--s4);left:var(--gut);display:flex;align-items:center;gap:var(--s2)}
.overlay .close-btn .txt{font-family:var(--ui);font-weight:500;font-size:11px;letter-spacing:.22em;text-transform:uppercase}
.overlay .brand{position:absolute;top:var(--s4);left:50%;transform:translateX(-50%)}

/* ---------- sections ---------- */
.sect{padding:var(--s10) var(--gut)}
.sect-tight{padding:var(--s8) var(--gut)}

.statement{min-height:72svh;display:flex;align-items:center}
.statement p{
  font-family:var(--display);
  font-weight:200;
  font-size:clamp(24px,3.4vw,46px);
  line-height:1.35;letter-spacing:.01em;
  max-width:26ch;
}
.statement .label{display:block;margin-bottom:var(--s5);color:var(--stone)}

/* collection teaser */
.teaser-head{display:flex;justify-content:space-between;align-items:baseline;gap:var(--s4);margin-bottom:var(--s6)}
.teaser-head .label{color:var(--stone)}
.lead-car img{width:100%;height:auto}
.lead-car .cap{display:flex;justify-content:space-between;align-items:baseline;gap:var(--s4);margin-top:var(--s3);flex-wrap:wrap}
.modelnum{
  font-family:var(--ui);font-weight:200;
  font-size:clamp(56px,8vw,130px);
  line-height:1;letter-spacing:-0.03em;
  font-variant-numeric:tabular-nums;
}
.lead-car .cap .who .label{color:var(--stone);display:block;margin-bottom:var(--s1)}
.lead-car .cap .who .name{font-size:17px}
.hairline{border:0;border-top:1px solid var(--off)}

.support-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--gut);margin-top:var(--s8)}
.support-row .car:nth-child(2){transform:translateY(var(--s8))}
.support-row{padding-bottom:var(--s8)}
.car a{display:block;overflow:hidden}
.car img{transition:opacity .5s var(--ease)}
.car a:hover img{opacity:.85}
.car .cap{display:flex;justify-content:space-between;align-items:baseline;margin-top:var(--s3);gap:var(--s3)}
.car .cap .label{color:var(--stone)}
.car .line{font-size:14px;color:var(--stone);margin-top:2px}

/* image break */
.break{position:relative;height:92svh;overflow:hidden;padding:0}
.break img{width:100%;height:100%;object-fit:cover}
.break .line{
  position:absolute;left:var(--gut);bottom:var(--s7);
  font-family:var(--display);font-weight:200;font-size:clamp(18px,2.2vw,28px);color:var(--chalk);
  letter-spacing:.14em;text-transform:uppercase;
}
.break .scrim-bot{height:40%}

/* CTA */
.cta-sect{min-height:60svh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.cta-sect .display{font-size:clamp(26px,3.6vw,52px);max-width:20ch;margin-bottom:var(--s6)}
.btn{
  display:inline-block;padding:16px 44px;
  border:1px solid var(--ink);
  font-family:var(--ui);font-weight:500;font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  transition:background .35s var(--ease),color .35s var(--ease);
}
.btn:hover{background:var(--ink);color:var(--chalk)}
.dark .btn{border-color:rgba(230,223,210,.6)}
.dark .btn:hover{background:var(--chalk);color:var(--green)}

/* ---------- footer ---------- */
footer{background:var(--green);color:var(--chalk);padding:var(--s8) var(--gut) var(--s4)}
.foot-grid{display:flex;justify-content:space-between;gap:var(--s6);flex-wrap:wrap}
.foot-grid .word{font-family:var(--ui);font-weight:500;font-size:14px;letter-spacing:.34em;text-transform:uppercase}
.foot-grid .desc{display:block;font-weight:400;font-size:9px;letter-spacing:.28em;text-transform:uppercase;margin-top:4px;opacity:.6}
.foot-nav{display:flex;flex-direction:column;gap:var(--s2);font-size:14px}
.foot-nav a:hover{opacity:.7}
.foot-bottom{
  display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;
  margin-top:var(--s8);padding-top:var(--s4);
  border-top:1px solid rgba(230,223,210,.14);
  font-size:12px;color:var(--off);
}
.foot-bottom a{opacity:.55;transition:opacity .3s}
.foot-bottom a:hover{opacity:1}

/* ---------- inner page heads ---------- */
.page-head{padding:calc(var(--s9) + 64px) var(--gut) var(--s7)}
.page-head h1{font-size:clamp(30px,5vw,68px)}
.page-head .label{display:block;margin-bottom:var(--s4);color:var(--stone)}
.dark .page-head .label{color:var(--off)}

/* ---------- collection page ---------- */
.filter-row{
  display:flex;gap:var(--s5);flex-wrap:wrap;
  padding:var(--s3) var(--gut);
  border-top:1px solid var(--off);border-bottom:1px solid var(--off);
  position:sticky;top:0;background:var(--chalk);z-index:30;
}
.filter-row a{font-family:var(--ui);font-weight:400;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--stone);padding:2px 0;border-bottom:1px solid transparent}
.filter-row a:hover{color:var(--ink)}

.marque{padding:var(--s9) 0 0}
.marque-head{display:flex;align-items:baseline;gap:var(--s4);padding:0 var(--gut);margin-bottom:var(--s5)}
.marque-head .idx{font-family:var(--ui);font-weight:400;font-size:12px;letter-spacing:.1em;color:var(--stone);font-variant-numeric:tabular-nums}
.marque-head h2{font-size:clamp(22px,3vw,40px)}
.marque{scroll-margin-top:56px}
.marque-head .line{margin-left:auto;font-size:14px;color:var(--stone);max-width:28ch;text-align:right}
.full-bleed{padding:0}
.full-bleed img{width:100%;height:auto}
.pair{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--gut);padding:var(--gut)}
.pair .b{transform:translateY(var(--s7))}
.pair figcaption,.full-cap{font-size:13px;color:var(--stone);margin-top:var(--s2)}
.full-cap{padding:var(--s2) var(--gut) 0}

/* model lineup */
.models{display:grid;grid-template-columns:1fr 1fr;gap:var(--gut);padding:var(--s6) var(--gut) 0}
.model img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.model figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:var(--s4);margin-top:var(--s3);padding-top:var(--s3);border-top:1px solid var(--off)}
.model h3{font-family:var(--display);font-weight:300;font-size:15px;letter-spacing:.16em;text-transform:uppercase;line-height:1.4}
.model .info{display:block;font-size:13px;color:var(--stone);margin-top:var(--s1);font-weight:300;letter-spacing:.01em;text-transform:none}
.model .mlink{white-space:nowrap;font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:400;color:var(--stone);border-bottom:1px solid var(--off);padding-bottom:3px;transition:color .3s,border-color .3s}
.model .mlink:hover{color:var(--ink);border-color:var(--ink)}
.model a.img{display:block;overflow:hidden}
.model a.img img{transition:opacity .5s var(--ease)}
.model a.img:hover img{opacity:.85}
.collection-end{padding:var(--s10) var(--gut) var(--s9)}

/* ---------- lot / car page ---------- */
.lot-head{padding:calc(var(--s9) + 64px) var(--gut) var(--s6)}
.lot-head .label{color:var(--stone);display:block;margin-bottom:var(--s4)}
.lot-head h1{font-size:clamp(26px,4vw,54px);max-width:20ch}
.gallery{display:grid;gap:var(--s2)}
.gallery img{width:100%;height:auto}
.gallery .half{display:grid;grid-template-columns:1fr 1fr;gap:var(--s2)}
.spec-doc{max-width:820px;margin:0 auto;padding:var(--s9) var(--gut)}
.spec-doc .label{color:var(--stone);display:block;margin-bottom:var(--s5)}
.spec-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:var(--s4);
  padding:var(--s3) 0;border-bottom:1px solid var(--off);
}
.spec-row:first-of-type{border-top:1px solid var(--off)}
.spec-row .k{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:400;color:var(--stone)}
.spec-row .v{font-size:17px;font-variant-numeric:tabular-nums;text-align:right}
.prov{max-width:640px;margin:0 auto;padding:0 var(--gut) var(--s9)}
.prov .label{color:var(--stone);display:block;margin-bottom:var(--s4)}
.prov p{margin-bottom:var(--s3)}
.lot-inquire{max-width:640px;margin:0 auto;padding:0 var(--gut) var(--s10)}

/* ---------- about ---------- */
.about-hero{position:relative;padding:0;height:100svh;overflow:hidden}
.about-hero img{width:100%;height:100%;object-fit:cover}
.about-body{max-width:600px;padding:var(--s9) var(--gut)}
.about-body p{margin-bottom:var(--s4)}
.about-close{font-size:clamp(18px,2.4vw,26px);margin-top:var(--s7)}

/* ---------- inquire form ---------- */
.form-wrap{max-width:640px;padding:calc(var(--s9) + 64px) var(--gut) var(--s10)}
.form-wrap h1{font-size:clamp(26px,4vw,52px);margin-bottom:var(--s3)}
.form-wrap .intro{color:var(--stone);margin-bottom:var(--s8);max-width:38ch}
.field{margin-bottom:var(--s6)}
.field label{display:block;font-family:var(--ui);font-weight:400;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--stone);margin-bottom:var(--s2)}
.field input,.field textarea{
  width:100%;padding:10px 0 12px;
  border-bottom:1px solid var(--off);
  font-size:17px;font-weight:300;
  transition:border-color .3s;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{border-bottom-color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:var(--off)}
.field.err input,.field.err textarea{border-bottom-color:var(--ox)}
.field .msg{display:none;font-size:13px;color:var(--ox-deep);margin-top:var(--s2)}
.field.err .msg{display:block}
.form-success{display:none;padding:var(--s8) 0}
.form-success .display{font-size:clamp(20px,2.8vw,34px);margin-bottom:var(--s3)}
.form-success p{color:var(--stone)}
form.sent{display:none}
form.sent + .form-success{display:block}

/* ---------- motion prefs ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .arm .rise,.overlay nav a{opacity:1;transform:none;transition:none}
  .hero video{display:none}
  .hero-still{opacity:1}
  .hero .vid-toggle{display:none}
}

/* ---------- breakpoints ---------- */
@media (max-width: 900px){
  .support-row{grid-template-columns:1fr}
  .support-row .car:nth-child(2){transform:none}
  .pair{grid-template-columns:1fr}
  .pair .b{transform:none}
  .marque-head{flex-wrap:wrap}
  .marque-head .line{margin-left:0;text-align:left;max-width:100%}
  .sect{padding:var(--s8) var(--gut)}
}
@media (max-width: 560px){
  .topbar{padding:var(--s3) var(--gut)}
  .menu-btn .txt{display:none}
  .hero-copy h1{font-size:clamp(19px,5.6vw,26px)}
  .models{grid-template-columns:1fr}
  .model figcaption{flex-wrap:wrap}
  .lead-car .cap{flex-direction:column;align-items:flex-start;gap:var(--s2)}
  .foot-grid{flex-direction:column}
  .gallery .half{grid-template-columns:1fr}
}