/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{list-style:none;padding:0}
img,picture,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ===== tokens ===== */
:root{
  --night:#081726;
  --night-2:#0F2A44;
  --cream:#F3EAD8;
  --ink-brown:#1C1613;
  --neon:#3DFF9E;
  --ember:#FF6A1A;
  --cyan:#35D6FF;
  --white:#E8F1F8;
  --steel:#6C8598;
  --gold:#D8A34A;

  --panel:rgba(15,42,68,.62);
  --line:rgba(108,133,152,.26);
  --line-strong:rgba(108,133,152,.48);

  --font-display:"Oswald","Barlow Condensed","DIN Alternate","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --fs-96:clamp(3.1rem,9vw,6rem);
  --fs-64:clamp(2.3rem,6vw,4rem);
  --fs-40:clamp(1.75rem,4vw,2.5rem);
  --fs-28:clamp(1.3rem,2.6vw,1.75rem);
  --fs-18:1.125rem;
  --fs-15:.9375rem;
  --fs-13:.8125rem;

  --shell:1180px;
  --gap:clamp(1rem,2.4vw,1.75rem);
  --radius:18px;
  --radius-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --bar-h:56px;
}

/* ===== base ===== */
body{
  min-height:100vh;
  background:
    radial-gradient(1200px 620px at 84% -10%, rgba(53,214,255,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 2%, rgba(61,255,158,.07), transparent 60%),
    var(--night);
  color:var(--white);
  font-family:var(--font-body);
  font-size:var(--fs-15);
  line-height:1.7;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(108,133,152,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(108,133,152,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.14;letter-spacing:.02em}
h1{font-size:var(--fs-96)}
h2{font-size:var(--fs-40)}
h3{font-size:var(--fs-28)}
p{max-width:38em}
strong{color:var(--neon);font-weight:600}
::selection{background:var(--neon);color:#06131f}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px}

.shell{max-width:var(--shell);margin-inline:auto;padding-inline:clamp(1rem,4vw,2.25rem);position:relative;z-index:1}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.divider{height:1px;border:0;background:var(--line);margin-block:clamp(1.4rem,3vw,2.2rem)}

/* ===== skip link ===== */
.skip-link{
  position:fixed;left:1rem;top:.6rem;z-index:120;
  transform:translateY(-180%);
  background:var(--neon);color:#06131f;
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.08em;
  padding:.55rem 1rem;border-radius:999px;
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ===== header ===== */
.masthead{position:relative;z-index:60}
.masthead__deck{
  background:linear-gradient(90deg,#061320,#0b2035 42%,#061320);
  border-bottom:1px solid var(--line);
}
.masthead__deck-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:48px;padding-block:.4rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand__mark{
  font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:.14em;
  color:#06131f;background:var(--neon);
  padding:.2rem .55rem;border-radius:7px;
  transform:rotate(-2.5deg);
  box-shadow:0 0 22px rgba(61,255,158,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.24}
.brand__name{font-family:var(--font-display);font-size:1.06rem;letter-spacing:.1em;color:var(--cream)}
.brand__claim{font-size:var(--fs-13);color:var(--steel);letter-spacing:.04em}
.quicklinks{display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}
.quicklink{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:var(--fs-13);color:var(--white);
  border:1px solid var(--line);border-radius:999px;
  padding:.28rem .65rem;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.quicklink:hover{border-color:var(--neon);color:var(--neon);background:rgba(61,255,158,.07)}
.quicklink__dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px var(--neon);animation:s68-pulse 2.6s var(--ease) infinite}
.quicklink__dot--ember{background:var(--ember);box-shadow:0 0 10px var(--ember)}
@keyframes s68-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.78)}}

.masthead__bar{
  position:sticky;top:0;z-index:70;
  background:rgba(8,23,38,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.masthead__bar.is-stuck{box-shadow:0 14px 34px rgba(0,0,0,.5);border-bottom-color:var(--line-strong);background:rgba(7,20,34,.97)}
.masthead__bar-inner{position:relative;display:flex;align-items:center;gap:.75rem;min-height:var(--bar-h);padding-block:.35rem}
.home-pin{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--font-display);font-size:var(--fs-15);letter-spacing:.08em;
  color:var(--cream);border:1px solid var(--line);border-radius:999px;
  padding:.32rem .75rem;flex:none;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.home-pin__coord{font-size:var(--fs-13);color:var(--cyan);letter-spacing:.14em}
.home-pin:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(53,214,255,.08)}
.nav-toggle{
  display:none;align-items:center;gap:.5rem;margin-left:auto;
  background:rgba(15,42,68,.5);border:1px solid var(--line-strong);border-radius:999px;
  padding:.42rem .85rem;color:var(--cream);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle__label{font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.16em}
.nav-toggle:hover{border-color:var(--neon);color:var(--neon)}
.nav-toggle[aria-expanded="true"]{border-color:var(--neon);color:var(--neon)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.navlist{margin-left:auto;display:flex;align-items:center;gap:.9rem}
.navlist__items{display:flex;align-items:center;gap:.1rem}
.navlist__items a{
  position:relative;display:block;padding:.5rem .72rem;
  font-size:var(--fs-15);color:var(--white);border-radius:9px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.navlist__items a:hover{color:var(--neon);background:rgba(61,255,158,.08)}
.navlist__items a[aria-current="page"]{color:var(--neon)}
.navlist__items a[aria-current="page"]::after{
  content:"";position:absolute;left:.72rem;right:.72rem;bottom:.12rem;height:2px;
  background:var(--neon);box-shadow:0 0 12px var(--neon);
}
.navlist__cta{flex:none}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:90;
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
  background:linear-gradient(90deg,var(--neon),var(--cyan),var(--ember));
}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-display);font-size:var(--fs-15);letter-spacing:.07em;
  padding:.62rem 1.15rem;border:1px solid transparent;border-radius:999px;
  cursor:pointer;text-align:center;line-height:1.3;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn--pulse{background:var(--neon);color:#06131f;box-shadow:0 8px 26px rgba(61,255,158,.26)}
.btn--pulse:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(61,255,158,.36)}
.btn--ember{background:var(--ember);color:#190a03;box-shadow:0 8px 26px rgba(255,106,26,.28)}
.btn--ember:hover{transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--white);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--sm{padding:.4rem .85rem;font-size:var(--fs-13)}

/* ===== layout helpers ===== */
.section{padding-block:clamp(2.2rem,6vw,4.4rem)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;margin-bottom:clamp(1.2rem,3vw,2rem)}
.section__title{font-family:var(--font-display);font-size:var(--fs-40);line-height:1.12}
.section__lead{max-width:34em;color:var(--steel);font-size:var(--fs-15)}
.section__index{font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.28em;color:var(--gold)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;margin-bottom:.6rem;
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.3em;text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan)}
.coord{
  writing-mode:vertical-rl;font-family:var(--font-display);font-size:var(--fs-13);
  letter-spacing:.34em;color:var(--line-strong);user-select:none;
}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;margin-block:1.1rem;font-size:var(--fs-13);color:var(--steel)}
.crumbs a{color:var(--steel);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--neon)}
.crumbs__sep{color:var(--line-strong)}

.prose{max-width:38em;color:var(--white)}
.prose p{margin-bottom:1.05rem}
.prose h3{margin:1.6rem 0 .6rem;font-size:var(--fs-28)}
.prose ul{margin:0 0 1.05rem 1.1rem;list-style:disc}
.prose li{margin-bottom:.35rem}
.panel{
  background:var(--cream);color:var(--ink-brown);
  border-radius:var(--radius);padding:clamp(1.4rem,3vw,2.4rem);
  box-shadow:0 26px 54px rgba(0,0,0,.38);
}
.panel .prose,.panel p{color:var(--ink-brown)}
.panel h2,.panel h3{color:var(--ink-brown)}
.panel a{color:#8a3708;text-decoration:underline}
.panel .divider{background:rgba(28,22,19,.18)}

/* ===== cards / data ===== */
.card{
  position:relative;display:flex;flex-direction:column;gap:.55rem;
  background:linear-gradient(160deg,rgba(15,42,68,.94),rgba(8,23,38,.94));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1rem,2.2vw,1.5rem);
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),translate .3s var(--ease);
}
.card:hover{border-color:rgba(61,255,158,.42);box-shadow:0 20px 44px rgba(0,0,0,.46);translate:0 -4px}
.card--tilt{rotate:-.8deg}
.card--tilt:nth-child(even){rotate:.8deg}
.card__label{font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.22em;text-transform:uppercase;color:var(--steel)}
.card__title{font-size:var(--fs-28);line-height:1.22;font-family:var(--font-display)}
.card__text{color:var(--steel);font-size:var(--fs-15);max-width:32em}
.card__value{
  font-family:var(--font-display);font-size:var(--fs-64);line-height:1;color:var(--neon);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.scoreline{display:flex;align-items:baseline;gap:.55rem;font-family:var(--font-display);font-variant-numeric:tabular-nums}
.scoreline__num{font-size:var(--fs-64);line-height:1;color:var(--cream)}
.scoreline__num--live{color:var(--neon);text-shadow:0 0 22px rgba(61,255,158,.35)}
.scoreline__sep{color:var(--steel);font-size:var(--fs-28)}
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--gap)}
.stat{
  border:1px solid var(--line);border-left:3px solid var(--cyan);
  border-radius:var(--radius-sm);background:rgba(15,42,68,.45);
  padding:.9rem 1rem;
}
.stat__label{font-size:var(--fs-13);letter-spacing:.18em;color:var(--steel);font-family:var(--font-display)}
.stat__value{font-family:var(--font-display);font-size:var(--fs-40);line-height:1.1;color:var(--cream);font-variant-numeric:tabular-nums}

.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.16em;
  padding:.18rem .6rem;border-radius:999px;border:1px solid currentColor;
}
.tag--live{color:var(--neon);background:rgba(61,255,158,.09)}
.tag--alert{color:var(--ember);background:rgba(255,106,26,.11)}
.tag--info{color:var(--cyan);background:rgba(53,214,255,.11)}
.tag--gold{color:var(--gold);background:rgba(216,163,74,.11)}

/* ===== filter chips ===== */
.chipbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.chip{
  display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.12em;
  padding:.45rem .95rem;border-radius:999px;
  background:rgba(15,42,68,.55);border:1px solid var(--line-strong);color:var(--white);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.chip:hover{border-color:var(--cyan);color:var(--cyan)}
.chip[aria-pressed="true"]{background:var(--neon);border-color:var(--neon);color:#06131f;box-shadow:0 0 20px rgba(61,255,158,.3)}
.filter-status{font-size:var(--fs-13);color:var(--steel);letter-spacing:.06em}
[data-filter-item][hidden]{display:none}

/* ===== media containers ===== */
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--gap)}
.media-frame{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  border-radius:var(--radius);border:1px solid var(--line);
  background:
    radial-gradient(120% 90% at 22% 8%, rgba(53,214,255,.18), transparent 62%),
    linear-gradient(160deg,#0d2740,#071625 72%);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame img,.media-frame video{width:100%;height:100%;object-fit:cover}
.media-frame__tag{position:absolute;left:.7rem;top:.7rem;z-index:2}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:1.4rem .9rem .7rem;font-size:var(--fs-13);color:var(--cream);
  background:linear-gradient(180deg,transparent,rgba(5,15,25,.88));
}

/* ===== footer ===== */
.site-footer{
  position:relative;z-index:1;
  margin-top:clamp(3rem,8vw,6rem);
  padding-block:clamp(2rem,5vw,3.4rem) 1.4rem;
  background:linear-gradient(180deg,rgba(6,17,29,.35),#050e18 34%);
  border-top:1px solid var(--line-strong);
}
.foot-top{display:grid;grid-template-columns:minmax(230px,1fr) 2.7fr;gap:var(--gap);align-items:start}
.foot-brand__mark{
  display:inline-block;font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.24em;
  color:var(--gold);border:1px solid rgba(216,163,74,.5);border-radius:6px;padding:.2rem .55rem;
}
.foot-brand__name{margin-top:.7rem;font-family:var(--font-display);font-size:1.7rem;letter-spacing:.12em;color:var(--cream)}
.foot-brand__line{margin-top:.5rem;max-width:24em;font-size:var(--fs-13);color:var(--steel)}
.foot-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.foot-group__title{
  margin-bottom:.7rem;padding-bottom:.5rem;border-bottom:1px solid var(--line);
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.24em;text-transform:uppercase;color:var(--cyan);
}
.foot-list{display:grid;gap:.42rem}
.foot-list a{font-size:var(--fs-15);color:var(--white);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.foot-list a:hover{color:var(--neon);padding-left:.28rem}
.foot-contact{
  margin-top:clamp(1.6rem,4vw,2.4rem);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem 1.4rem;
  padding:1.1rem 1.25rem;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(15,42,68,.42);
}
.foot-contact__item{font-size:var(--fs-15);color:var(--cream);max-width:none}
.foot-contact__label{display:block;font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.16em;color:var(--steel)}
.foot-contact__note{grid-column:1/-1;font-size:var(--fs-13);color:var(--steel)}
.foot-bar{
  margin-top:1.6rem;padding-top:1rem;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.8rem;
}
.foot-bar__copy{font-size:var(--fs-13);color:var(--steel);max-width:none}
.backtop{
  position:fixed;right:clamp(1rem,3vw,1.6rem);bottom:clamp(1rem,3vw,1.6rem);z-index:80;
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--font-display);font-size:var(--fs-13);letter-spacing:.12em;
  padding:.55rem .95rem;border-radius:999px;
  background:rgba(8,23,38,.92);border:1px solid var(--cyan);color:var(--cyan);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
}
.backtop.is-shown{opacity:1;visibility:visible;transform:none}
.backtop:hover{background:rgba(53,214,255,.14)}

/* ===== reveal ===== */
.has-js [data-reveal]{opacity:0;translate:0 18px;transition:opacity .4s var(--ease),translate .4s var(--ease)}
.has-js [data-reveal].is-revealed{opacity:1;translate:0 0}

/* ===== tablet ===== */
@media (max-width:1024px){
  .foot-top{grid-template-columns:1fr}
  .foot-groups{grid-template-columns:repeat(2,minmax(0,1fr))}
  .span-3,.span-4{grid-column:span 6}
  .span-8{grid-column:span 12}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .navlist{
    position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:.7rem;
    margin-left:0;padding:1rem clamp(1rem,4vw,2.25rem) 1.4rem;
    background:linear-gradient(180deg,rgba(9,25,42,.99),rgba(7,20,34,.99));
    border-bottom:1px solid var(--line-strong);
    box-shadow:0 26px 44px rgba(0,0,0,.55);
    max-height:min(74vh,540px);overflow:auto;
  }
  .navlist[data-open]{display:flex}
  .navlist__items{flex-direction:column;align-items:stretch;gap:.1rem}
  .navlist__items a{font-size:var(--fs-18);padding:.72rem .4rem;border-bottom:1px dashed var(--line);border-radius:0}
  .navlist__items a[aria-current="page"]::after{left:.4rem;right:auto;width:22px;bottom:.35rem}
  .navlist__cta{align-self:flex-start;margin-top:.5rem}
  .coord{display:none}
}

/* ===== phone ===== */
@media (max-width:640px){
  h1{font-size:var(--fs-64)}
  .brand__claim{display:none}
  .brand__mark{font-size:.95rem;padding:.16rem .45rem}
  .foot-groups{grid-template-columns:1fr}
  .span-3,.span-4,.span-6,.span-8{grid-column:span 12}
  .foot-bar{align-items:flex-start;flex-direction:column}
  .brand__name{font-size:1rem}
}

/* ===== motion preference ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .has-js [data-reveal]{opacity:1;translate:none}
  .card:hover{translate:none}
  .btn:hover{transform:none}
  .quicklink__dot{animation:none}
}