@font-face{font-family:'Oswald';src:url('fonts/oswald-var.woff2') format('woff2');font-weight:200 700;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('fonts/inter-var.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --bg:#07080b;
  --ink:#f0f2f5;
  --muted:#8d949f;
  --muted-2:#6a717c;
  --line:rgba(255,255,255,.13);
  --line-soft:rgba(255,255,255,.075);
  --panel:rgba(13,15,19,.72);
  --accent:#e23b2e;
  --accent-ink:#160605;
  --display:'Oswald','Arial Narrow',Arial,sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --pad:clamp(16px,3vw,40px);
}

*{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);
  overflow:hidden;overscroll-behavior:none;touch-action:none;
  -webkit-user-select:none;user-select:none;
}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default}
svg{display:block;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

#app{position:fixed;inset:0;height:100%;height:100dvh;overflow:hidden;isolation:isolate}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.vignette{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 44%,transparent 38%,rgba(0,0,0,.42) 82%,rgba(0,0,0,.72) 100%),
    linear-gradient(180deg,rgba(0,0,0,.36) 0%,transparent 22%,transparent 72%,rgba(0,0,0,.55) 100%);
}
.scanlines{
  position:absolute;inset:0;pointer-events:none;opacity:.035;
  background:repeating-linear-gradient(180deg,#fff 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;
}

/* top bar */
.topbar{
  position:absolute;top:0;left:0;right:0;z-index:12;
  display:flex;align-items:flex-start;justify-content:space-between;
  padding:calc(18px + env(safe-area-inset-top)) var(--pad) 0;
  pointer-events:none;
}
.topbar > *{pointer-events:auto}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.38);
  font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:.06em;
  color:#fff;background:rgba(255,255,255,.03);
}
.brand-text{display:flex;flex-direction:column;gap:2px;line-height:1}
.brand-1{font-family:var(--display);font-weight:500;font-size:12px;letter-spacing:.32em;color:#e7eaee}
.brand-2{font-size:8.5px;letter-spacing:.24em;color:var(--muted-2);font-weight:500}
.topbar-right{display:flex;align-items:center;gap:8px}
.build-tag{
  font-family:var(--display);font-size:9.5px;letter-spacing:.24em;color:var(--muted);
  border:1px solid var(--line);padding:7px 10px 6px;background:rgba(8,9,12,.35);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:50%;background:rgba(10,12,16,.5);color:#cfd4dc;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:background .25s,color .25s,border-color .25s,transform .15s;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:rgba(255,255,255,.09);color:#fff}
.icon-btn:active{transform:scale(.94)}
.icon-btn.ghost{border-color:var(--line-soft)}
#soundBtn .spk-off{display:none}
body.sound-off #soundBtn .spk-on{display:none}
body.sound-off #soundBtn .spk-off{display:block}

/* hero copy */
.hero-copy{
  position:absolute;z-index:10;left:var(--pad);bottom:clamp(126px,16vh,168px);
  max-width:min(46vw,560px);pointer-events:none;
}
.eyebrow{
  margin:0 0 12px;display:flex;align-items:center;gap:9px;
  font-family:var(--display);font-size:11px;font-weight:500;letter-spacing:.34em;color:var(--muted);
}
.eyebrow-bar{display:block;width:26px;height:1px;background:var(--accent)}
h1{
  margin:0;font-family:var(--display);font-weight:600;line-height:.78;
  text-transform:uppercase;letter-spacing:-.005em;
}
.h1-nissan{
  display:block;font-size:clamp(15px,1.55vw,22px);font-weight:500;
  letter-spacing:.48em;color:var(--muted);margin:0 0 clamp(8px,1.1vw,14px) 3px;
}
.h1-model{
  display:block;font-size:clamp(68px,9.4vw,142px);
  background:linear-gradient(178deg,#ffffff 8%,#c8ced8 48%,#8f97a4 98%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 10px 30px rgba(0,0,0,.45));
}
.tagline{
  margin:clamp(14px,2vw,22px) 0 0;max-width:330px;
  font-size:clamp(11px,1.05vw,13px);line-height:1.65;color:#aeb5bf;letter-spacing:.01em;
}
.tagline span{color:var(--muted-2)}

/* specs */
.specs{
  position:absolute;z-index:10;right:var(--pad);top:50%;transform:translateY(-50%);
  width:min(24vw,246px);display:flex;flex-direction:column;pointer-events:none;
}
.spec{
  display:flex;flex-direction:column;gap:3px;padding:11px 0 12px;
  border-top:1px solid var(--line-soft);
}
.spec:last-child{border-bottom:1px solid var(--line-soft)}
.spec-label{font-family:var(--display);font-size:8.5px;letter-spacing:.28em;color:var(--muted-2)}
.spec-value{font-family:var(--display);font-size:17px;font-weight:500;letter-spacing:.06em;color:#e8ebef;line-height:1.05}
.spec-value small{font-size:.58em;letter-spacing:.14em;color:var(--muted);font-weight:400}

/* wing callout */
.wing-spot{
  position:absolute;z-index:11;left:50%;top:40%;width:1px;height:1px;
  opacity:0;transition:opacity .35s;pointer-events:none;
}
.wing-dot{
  position:absolute;left:-9px;top:-9px;width:18px;height:18px;border-radius:50%;
  border:1px solid rgba(255,255,255,.8);
}
.wing-dot::after{
  content:'';position:absolute;inset:5px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 14px 2px color-mix(in srgb,var(--accent) 55%,transparent);
}
.wing-line{
  position:absolute;left:8px;top:8px;width:54px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.7),rgba(255,255,255,0));
  transform-origin:0 50%;transform:rotate(-40deg);
}
.wing-card{
  position:absolute;z-index:12;right:var(--pad);top:clamp(96px,20%,190px);width:250px;
  padding:17px 18px 16px;background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  display:flex;flex-direction:column;gap:4px;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .35s,transform .35s;box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.wing-active .wing-card{opacity:1;transform:none;pointer-events:auto}
.wing-active .wing-spot{opacity:1}
.wing-kicker{font-family:var(--display);font-size:8.5px;letter-spacing:.3em;color:var(--accent)}
.wing-card strong{font-family:var(--display);font-size:21px;font-weight:600;letter-spacing:.07em}
.wing-card > span:last-of-type{font-size:11px;line-height:1.55;color:var(--muted)}
.wing-close{
  position:absolute;right:8px;top:8px;width:30px;height:30px;display:grid;place-items:center;
  color:var(--muted);border-radius:50%;
}
.wing-close:hover{background:rgba(255,255,255,.07);color:#fff}
.wing-close svg{width:14px;height:14px}

/* hint */
.hint{
  position:absolute;z-index:11;left:50%;bottom:calc(112px + env(safe-area-inset-bottom));
  transform:translateX(-50%);
  display:flex;align-items:center;gap:9px;
  padding:8px 14px 8px 10px;border:1px solid var(--line-soft);border-radius:999px;
  background:rgba(8,10,13,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:10.5px;letter-spacing:.03em;color:#a9b0ba;white-space:nowrap;
  transition:opacity .5s,transform .5s;
}
.hint-gesture{display:grid;place-items:center;color:#d3d8df}
.hint-gesture svg{width:16px;height:16px}
.hint.hint-hidden{opacity:0;transform:translate(-50%,8px);pointer-events:none}
.hint-extra{color:var(--muted-2)}

/* dock */
.dock{
  position:absolute;z-index:14;left:50%;bottom:calc(18px + env(safe-area-inset-bottom));
  transform:translateX(-50%);
  display:flex;align-items:center;gap:8px;padding:7px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(11,13,17,.66);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 22px 50px rgba(0,0,0,.5);
  max-width:calc(100vw - 24px);
}
.dock-row{display:flex;align-items:center;gap:7px}
.ignition{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:46px;padding:0 22px 0 17px;border-radius:999px;border:1px solid rgba(226,59,46,.55);
  background:linear-gradient(180deg,rgba(226,59,46,.2),rgba(226,59,46,.07));
  font-family:var(--display);font-size:11.5px;font-weight:600;letter-spacing:.2em;color:#fff;
  transition:background .25s,border-color .25s,box-shadow .25s,color .2s;
  white-space:nowrap;
}
.ignition:hover{background:linear-gradient(180deg,rgba(226,59,46,.34),rgba(226,59,46,.13));box-shadow:0 0 24px rgba(226,59,46,.22)}
.ignition-led{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 8px 1px color-mix(in srgb,var(--accent) 70%,transparent);
  transition:background .25s,box-shadow .25s;
}
.ignition.is-on{
  background:var(--accent);border-color:var(--accent);color:var(--accent-ink);
  box-shadow:0 0 30px color-mix(in srgb,var(--accent) 45%,transparent);
}
.ignition.is-on .ignition-led{background:var(--accent-ink);box-shadow:none;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.dock .icon-btn{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.035);border-color:var(--line-soft)}
.rev svg{width:17px;height:17px}
.rev:disabled{opacity:.32;pointer-events:none}
.seg{display:flex;align-items:center;padding:3px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line-soft)}
.seg-btn{
  height:34px;padding:0 11px;border-radius:999px;
  font-family:var(--display);font-size:9px;font-weight:500;letter-spacing:.14em;color:var(--muted);
  transition:background .25s,color .25s;
}
.seg-btn:hover{color:#fff}
.seg-btn.is-active{background:#e9ecf0;color:#0a0b0e}
.toggle.is-on{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22)}

/* loader */
.loader{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;
  background:radial-gradient(90% 70% at 50% 42%,#15181e 0%,#08090c 62%,#050608 100%);
  transition:opacity .7s ease,visibility .7s;
}
body.ready .loader{opacity:0;visibility:hidden}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:4px;width:220px}
.loader-mark{
  width:52px;height:52px;display:grid;place-items:center;margin-bottom:16px;
  border:1px solid rgba(255,255,255,.3);
  font-family:var(--display);font-size:19px;font-weight:600;letter-spacing:.06em;color:#fff;
}
.loader-title{font-family:var(--display);font-size:13px;font-weight:500;letter-spacing:.46em;color:#e9ecf0;margin-right:-.46em}
.loader-sub{font-size:8.5px;letter-spacing:.28em;color:var(--muted-2);margin-top:2px}
.loader-track{width:100%;height:1px;background:rgba(255,255,255,.1);margin-top:26px;overflow:hidden}
.loader-bar{display:block;width:0%;height:100%;background:var(--accent);transition:width .3s}
.loader-pct{margin-top:9px;font-family:var(--display);font-size:9px;letter-spacing:.24em;color:var(--muted-2)}

/* fallback */
.fallback[hidden]{display:none}
.fallback{position:absolute;inset:0;z-index:60;display:grid;place-content:center;gap:6px;text-align:center;padding:30px;background:#08090c}
.fallback p{margin:0;font-size:13px;color:var(--muted)}

/* entrance */
.hero-copy,.specs,.dock,.hint,.topbar,.build-tag,.wing-card{
  opacity:0;transform:translateY(12px);
  transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);
}
.specs{transform:translateY(calc(-50% + 12px))}
.dock,.hint{transform:translate(-50%,12px)}
body.ready .hero-copy{opacity:1;transform:none;transition-delay:.25s}
body.ready .specs{opacity:1;transform:translateY(-50%);transition-delay:.45s}
body.ready .dock{opacity:1;transform:translateX(-50%);transition-delay:.55s}
body.ready .hint{opacity:1;transform:translateX(-50%);transition-delay:.8s}
body.ready .topbar{opacity:1;transform:none;transition-delay:.1s}
body.ready .wing-card{opacity:0;transform:translateY(10px)}
body.ready.wing-active .wing-card{opacity:1;transform:none}

/* portrait and narrow screens */
@media (max-aspect-ratio: 1/1){
  .topbar{padding-top:calc(14px + env(safe-area-inset-top))}
  .brand-mark{width:34px;height:34px;font-size:13px}
  .brand-1{font-size:10.5px}
  .brand-2{font-size:7.5px;letter-spacing:.2em}
  .build-tag{display:none}
  .icon-btn{width:36px;height:36px}
  .topbar-right .icon-btn{width:36px;height:36px}
  .hero-copy{left:20px;right:20px;bottom:auto;top:calc(74px + env(safe-area-inset-top));max-width:none}
  .eyebrow{font-size:9.5px;letter-spacing:.28em;margin-bottom:8px}
  .h1-nissan{font-size:12px;letter-spacing:.44em;margin-bottom:6px}
  .h1-model{font-size:clamp(58px,20vw,96px)}
  .tagline{margin-top:12px;font-size:10.5px;line-height:1.55;max-width:300px}
  .specs{
    left:16px;right:16px;top:auto;bottom:calc(118px + env(safe-area-inset-bottom));
    width:auto;transform:none;
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;
    background:linear-gradient(180deg,rgba(11,13,17,.5),rgba(11,13,17,.72));
    border:1px solid var(--line-soft);border-radius:12px;
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    padding:0 8px;
  }
  .spec{padding:7px 7px 8px;border-top:0;border-left:1px solid rgba(255,255,255,.06);min-width:0}
  .spec:first-child{border-left:0;padding-left:1px}
  .spec:nth-child(4){display:none}
  .spec:nth-child(5){grid-column:auto;border-bottom:0;border-left:1px solid rgba(255,255,255,.06)}
  .spec-label{font-size:6.5px;letter-spacing:.2em}
  .spec-value{font-size:10.5px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .spec-value small{display:none}
  .spec-value .mob{display:inline}
  .spec-value .desk{display:none}
  .dock{
    left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));
    transform:none;width:auto;max-width:none;flex-direction:column;align-items:stretch;
    border-radius:18px;padding:6px;
  }
  body.ready .dock{transform:none}
  .dock-main{width:100%}
  .ignition{flex:1;height:44px;padding:0 16px;font-size:10.5px}
  .dock-second{width:100%;justify-content:space-between;gap:6px}
  .seg{flex:1;justify-content:space-between}
  .seg-btn{flex:1;padding:0 4px;font-size:8.5px;letter-spacing:.1em}
  .dock .icon-btn{width:38px;height:38px;flex:0 0 38px}
  .hint{bottom:calc(174px + env(safe-area-inset-bottom));font-size:9.5px;padding:7px 11px 7px 9px}
  .hint-extra{display:none}
  .wing-card{
    left:16px;right:16px;top:auto;bottom:calc(184px + env(safe-area-inset-bottom));width:auto;
  }
  .wing-line{width:36px}
  .specs{opacity:0;transform:translateY(12px);transition:opacity .8s,transform .8s}
  body.ready .specs{opacity:1;transform:none}
}

@media (max-width: 420px){
  .h1-model{font-size:clamp(52px,19.5vw,82px)}
  .specs{padding:0 6px}
  .spec{padding:7px 5px 8px}
  .seg-btn{font-size:8px;letter-spacing:.06em}
}

@media (max-height: 700px) and (max-aspect-ratio: 1/1){
  .hero-copy{top:calc(64px + env(safe-area-inset-top))}
  .h1-model{font-size:clamp(46px,16vw,68px)}
  .tagline{margin-top:8px;font-size:10px}
  .specs{bottom:calc(126px + env(safe-area-inset-bottom))}
  .spec{padding:6px 2px 7px}
  .spec-value{font-size:12px}
}

@media (max-height: 540px) and (min-aspect-ratio: 1/1){
  .hero-copy{bottom:96px}
  .h1-model{font-size:clamp(48px,7vw,80px)}
  .specs .spec{padding:7px 0 8px}
  .hint{display:none}
  .dock{bottom:calc(8px + env(safe-area-inset-bottom))}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}