/* ============================================================
   BVIP SPORTS — SHARED SITE KIT
   /assets/site.css
   ============================================================ */

:root{
  --ink:#06120E;
  --pitch:#0C211A;
  --line:#17382C;
  --lime:#C8FF4D;
  --orange:#FF8A3D;
  --amber:#F2C94C;
  --steel:#9BB6C8;
  --mint:#EAF6EF;
  --muted:#A8BFB4;
  --slate:#243A46;

  --rail-w:84px;
  --bar-h:58px;
  --maxw:1280px;
  --gutter:clamp(18px,3.6vw,56px);

  --font-display:"DIN Condensed","Barlow Condensed","Oswald","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
:where(button,a,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:1px;
}
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth;}
}

/* ---------- base ---------- */
body{
  margin:0;
  padding-top:var(--bar-h);
  padding-left:var(--rail-w);
  background:var(--ink);
  color:var(--mint);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (min-width:900px){
  body{font-size:17px;}
}
h1,h2,h3,h4{
  font-family:var(--font-body);
  font-weight:800;
  line-height:1.16;
  letter-spacing:.02em;
  color:var(--mint);
}
p{max-width:36em;}
strong{color:var(--mint);font-weight:700;}
::selection{background:var(--lime);color:#06120E;}
#main-content{scroll-margin-top:calc(var(--bar-h) + 16px);outline:none;}

/* ---------- layout helpers ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:0;left:0;
  z-index:400;
  transform:translateY(-140%);
  padding:11px 20px;
  background:var(--lime);
  color:#06120E;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  transition:transform .18s var(--ease);
}
.skip-link:focus{
  transform:translateY(0);
  outline:2px solid var(--mint);
  outline-offset:2px;
}

/* ---------- header shell ---------- */
.site-header{
  position:relative;
  z-index:130;
}

/* ---------- status bar ---------- */
.status-bar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:130;
  height:var(--bar-h);
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,26px);
  padding:0 clamp(12px,2vw,24px);
  background:
    linear-gradient(90deg,rgba(12,33,26,.96) 0%,rgba(6,18,14,.98) 58%,rgba(23,56,44,.62) 100%),
    var(--ink);
  border-bottom:1px solid var(--line);
}
.status-bar::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,var(--lime) 0%,rgba(200,255,77,0) 46%);
  opacity:.55;
  pointer-events:none;
}
.status-bar__brand{
  flex:0 1 auto;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--mint);
}
.status-bar__meta{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.status-bar__text{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--steel);
  white-space:nowrap;
}

/* ---------- status lamp ---------- */
.status-lamp{
  flex:0 0 auto;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,255,77,.14), 0 0 12px rgba(200,255,77,.55);
  animation:lampPulse 2.8s ease-in-out infinite;
}
.status-lamp--sm{
  width:6px;height:6px;
  box-shadow:0 0 0 2px rgba(200,255,77,.12), 0 0 8px rgba(200,255,77,.45);
  animation-duration:3.6s;
}
@keyframes lampPulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.5;transform:scale(.84);}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1.2;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.btn--signal{
  background:var(--lime);
  color:#06120E;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%);
}
.btn--signal:hover{
  background:#d9ff7a;
  transform:translateY(-1px);
}
.btn--ghost{
  border-color:var(--line);
  color:var(--mint);
  background:rgba(23,56,44,.28);
}
.btn--ghost:hover{
  border-color:var(--lime);
  color:var(--lime);
  transform:translateY(-1px);
}

/* ---------- mobile nav toggle ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:rgba(12,33,26,.7);
  color:var(--mint);
  font-size:12px;
  letter-spacing:.16em;
  line-height:1;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:1px;
  background:var(--lime);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle__bars::before{top:0;}
.nav-toggle__bars::after{bottom:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4.5px) rotate(-45deg);}
.nav-toggle__label{display:block;}

/* ---------- scroll progress ---------- */
.progress-rail{
  position:fixed;
  top:calc(var(--bar-h) - 2px);
  left:0;
  width:0%;
  height:2px;
  background:linear-gradient(90deg,var(--lime),var(--orange));
  z-index:140;
  pointer-events:none;
  transition:width .12s linear;
}

/* ---------- left nav rail (desktop) ---------- */
.site-nav{
  position:fixed;
  top:var(--bar-h);
  left:0;
  bottom:0;
  z-index:125;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  padding:16px 0 20px;
  background:linear-gradient(180deg,#08170F 0%,#06120E 72%);
  border-right:1px solid var(--line);
  overflow:hidden auto;
  overscroll-behavior:contain;
}
.site-nav__rail-label{
  align-self:center;
  writing-mode:vertical-rl;
  margin-bottom:16px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.34em;
  color:rgba(155,182,200,.45);
  text-transform:uppercase;
}
.site-nav__list{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:2px;
  padding-inline:8px;
}
.site-nav__item{display:block;}
.site-nav__link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  padding:12px 2px;
  color:var(--muted);
  border-bottom:1px solid rgba(23,56,44,.6);
  transition:color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.site-nav__link::after{
  content:"";
  display:block;
  width:4px;height:4px;
  margin-top:6px;
  background:var(--slate);
  transition:background .18s var(--ease);
}
.site-nav__num{
  display:block;
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.1em;
  line-height:1;
  color:rgba(155,182,200,.42);
  transition:color .18s var(--ease);
}
.site-nav__label{
  display:block;
  font-size:13px;
  line-height:1.3;
  letter-spacing:.1em;
  text-align:center;
}
.site-nav__link:hover{
  color:var(--lime);
  background:rgba(200,255,77,.06);
  transform:translateX(2px);
}
.site-nav__link:hover::after{background:var(--lime);}
.site-nav__link:hover .site-nav__num{color:rgba(200,255,77,.7);}
.site-nav__link[aria-current="page"]{
  color:var(--lime);
  background:rgba(200,255,77,.09);
}
.site-nav__link[aria-current="page"]::before{
  content:"";
  position:absolute;
  top:8px;bottom:8px;left:0;
  width:2px;
  background:var(--lime);
}
.site-nav__link[aria-current="page"]::after{background:var(--lime);}
.site-nav__link[aria-current="page"] .site-nav__num{color:var(--lime);}
.site-nav__hint{
  margin-top:auto;
  margin-inline:10px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:7px;
  text-align:center;
}
.site-nav__hint-text{
  font-family:var(--font-mono);
  font-size:10px;
  line-height:1.5;
  letter-spacing:.04em;
  color:rgba(155,182,200,.52);
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg,#06120E 0%,#08170F 42%,#050F0B 100%);
  border-top:1px solid var(--line);
  color:var(--muted);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,var(--lime),rgba(200,255,77,0) 52%,var(--orange));
  opacity:.5;
}
.site-footer::after{
  content:"";
  position:absolute;
  top:0;right:0;
  width:40%;height:100%;
  background-image:repeating-linear-gradient(90deg,rgba(23,56,44,.55) 0 1px,transparent 1px 36px);
  opacity:.65;
  pointer-events:none;
}
.site-footer__inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding:clamp(32px,5vw,56px) var(--gutter) 22px;
}
.site-footer__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 22px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.site-footer__brand{
  font-family:var(--font-display);
  font-size:clamp(20px,2.6vw,28px);
  font-weight:700;
  letter-spacing:.06em;
  color:var(--mint);
}
.site-footer__tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:rgba(155,182,200,.62);
  text-transform:uppercase;
}
.site-footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(22px,3vw,38px);
  padding:clamp(24px,4vw,42px) 0;
}
@media (min-width:640px){
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1000px){
  .site-footer__grid{grid-template-columns:1.15fr 1.3fr .9fr;}
}
.foot-block{
  position:relative;
  padding-left:14px;
  border-left:1px solid var(--line);
}
.foot-block__title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--lime);
  line-height:1.4;
}
.foot-block__line{
  font-size:13.5px;
  line-height:1.7;
  color:var(--muted);
  max-width:34em;
}
.foot-block__list{
  display:flex;
  flex-direction:column;
  gap:7px;
  margin-top:10px;
}
.foot-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:fit-content;
  font-size:14px;
  line-height:1.6;
  color:var(--mint);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.foot-link::before{
  content:"→";
  font-size:12px;
  line-height:1;
  color:var(--lime);
  opacity:.7;
}
.foot-link:hover{
  color:var(--lime);
  border-color:var(--lime);
  transform:translateX(3px);
}
.foot-meta{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.02em;
  line-height:1.7;
  color:var(--mint);
  overflow-wrap:anywhere;
}
.foot-meta + .foot-meta{margin-top:5px;}
.foot-meta--plain{
  font-family:var(--font-body);
  font-size:13.5px;
  color:var(--muted);
}
.site-footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:12px;
  letter-spacing:.05em;
  color:rgba(168,191,180,.72);
}
.site-footer__copy{font-family:var(--font-mono);}
.site-footer__icp{
  font-family:var(--font-mono);
  color:var(--steel);
  letter-spacing:.04em;
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:120;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  background:rgba(12,33,26,.94);
  border:1px solid var(--line);
  color:var(--mint);
  font-family:var(--font-body);
  font-size:12px;
  letter-spacing:.14em;
  line-height:1;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),
             border-color .2s var(--ease),color .2s var(--ease),visibility .2s;
}
.to-top[data-visible="true"]{
  opacity:1;
  visibility:visible;
  transform:none;
}
.to-top:hover{
  border-color:var(--lime);
  color:var(--lime);
}

/* ---------- generic content components ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--steel);
}
.breadcrumb a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.breadcrumb a:hover{color:var(--lime);border-color:var(--lime);}
.breadcrumb__sep{opacity:.45;}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:6px 20px;
  padding-bottom:14px;
  margin-bottom:24px;
  border-bottom:1px solid var(--line);
}
.section-head__title{
  font-size:clamp(22px,3vw,34px);
  font-weight:800;
  letter-spacing:.02em;
}
.section-head__note{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--steel);
  text-transform:uppercase;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--lime);
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--lime);
}

.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 8px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.6;
  letter-spacing:.1em;
  color:var(--amber);
  border:1px solid rgba(242,201,76,.35);
  background:rgba(242,201,76,.07);
}
.tag--lime{
  color:var(--lime);
  border-color:rgba(200,255,77,.35);
  background:rgba(200,255,77,.08);
}
.tag--orange{
  color:var(--orange);
  border-color:rgba(255,138,61,.35);
  background:rgba(255,138,61,.08);
}

.data-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  color:var(--mint);
}

.divider{
  height:1px;
  border:0;
  margin:0;
  background:var(--line);
}

.coord{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(155,182,200,.62);
}

/* ---------- responsive image containers ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid var(--line);
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(23,56,44,.9),rgba(6,18,14,.96)),
    var(--pitch);
}
.media::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(23,56,44,.62) 1px,transparent 1px),
    linear-gradient(90deg,rgba(23,56,44,.62) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
  pointer-events:none;
}
.media__img{
  position:relative;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.04);
}
.media__cap{
  position:absolute;
  left:0;bottom:0;
  z-index:2;
  max-width:100%;
  padding:8px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mint);
  background:linear-gradient(90deg,rgba(6,18,14,.94),rgba(6,18,14,0));
}
.media--wide{aspect-ratio:21/9;}
.media--portrait{aspect-ratio:3/4;}

/* ---------- tablet / mobile ---------- */
@media (max-width:899px){
  :root{--bar-h:56px;}
  body{
    padding-left:0;
    padding-top:var(--bar-h);
  }
  .status-bar{
    gap:10px;
    padding:0 12px;
  }
  .status-bar__brand{font-size:12px;letter-spacing:.12em;}
  .status-bar__meta{margin-left:auto;gap:8px;}
  .status-bar__text{display:none;}
  .status-bar__meta .status-lamp{display:none;}
  .status-bar__meta .btn--signal{padding:8px 12px;font-size:12px;letter-spacing:.05em;}
  .nav-toggle{display:inline-flex;margin-left:0;}

  .site-nav{
    top:var(--bar-h);
    left:0;right:0;bottom:auto;
    width:auto;
    max-height:calc(100vh - var(--bar-h));
    max-height:calc(100dvh - var(--bar-h));
    padding:14px 14px 18px;
    background:#08170F;
    border-right:0;
    border-bottom:1px solid var(--line);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
  }
  .site-nav__rail-label{
    writing-mode:horizontal-tb;
    align-self:flex-start;
    margin-bottom:12px;
    letter-spacing:.3em;
  }
  .site-nav__list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
    padding-inline:0;
  }
  .site-nav__link{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
    gap:10px;
    padding:12px 12px;
    border:1px solid var(--line);
    border-bottom:1px solid var(--line);
    text-align:left;
  }
  .site-nav__link::after{margin-top:0;order:3;}
  .site-nav__num{order:1;}
  .site-nav__label{order:2;flex:1 1 auto;text-align:left;letter-spacing:.08em;}
  .site-nav__link:hover{transform:translateY(-2px);}
  .site-nav__link[aria-current="page"]::before{
    top:0;bottom:0;left:0;
    width:2px;
  }
  .site-nav__hint{
    margin-top:16px;
    margin-inline:0;
    padding-top:12px;
    flex-direction:row;
    justify-content:flex-start;
    gap:8px;
    text-align:left;
  }

  .to-top{bottom:12px;right:12px;padding:9px 12px;font-size:11px;}

  .section-head__note{margin-left:0;}
  .foot-block{padding-left:12px;}
}

@media (max-width:560px){
  .status-bar__meta{display:none;}
  .nav-toggle{margin-left:auto;}
  .site-nav__list{grid-template-columns:1fr;}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .status-lamp{animation:none;opacity:1;transform:none;}
  .progress-rail{transition:none;}
  .media__img{filter:none;}
}