:root{
  --by-deep:#0A1E3C;
  --by-orange:#FF6B35;
  --by-gold:#D4AF37;
  --by-dark:#071426;
  --by-steel:#1F3A5F;
  --by-moon:#E8ECF0;
  --by-gray:#C9D4DE;
  --by-data:#4DA8DA;
  --by-nearwhite:#F2F5F7;
  --by-line:#9AAEBF;
  --by-bg-light:#F4F6F8;
  --by-display:'Oswald','Noto Sans SC',sans-serif;
  --by-body:'Inter','Noto Sans SC',sans-serif;
  --by-nav-width:156px;
  --by-header-offset:64px;
  --by-ease:cubic-bezier(.25,1,.5,1);
  --by-shadow:0 18px 40px rgba(0,0,0,.35);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--by-body);
  font-size:16px;
  line-height:1.6;
  color:var(--by-deep);
  background:var(--by-moon);
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;background:none;border:none;cursor:pointer}

.by-container{
  max-width:1120px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.by-skip-link{
  position:fixed;
  top:-100px;
  left:24px;
  z-index:3000;
  background:var(--by-orange);
  color:#fff;
  font-weight:600;
  padding:12px 24px;
  border-radius:0 0 8px 8px;
  transition:top .25s var(--by-ease);
}
.by-skip-link:focus{
  top:0;
  color:#fff;
}
.by-header-progress{
  position:fixed;
  top:0;left:0;
  height:3px;
  width:0;
  background:var(--by-orange);
  z-index:2500;
  box-shadow:0 0 12px rgba(255,107,53,.6);
  transition:width .1s linear;
}
.by-header{
  position:relative;
  background:var(--by-dark);
  color:var(--by-nearwhite);
  border-bottom:1px solid var(--by-steel);
}
.by-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:var(--by-header-offset);
  padding-top:8px;
  padding-bottom:8px;
}
.by-brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  line-height:1.1;
  flex-shrink:0;
}
.by-brand__name{
  font-family:var(--by-display);
  font-size:24px;
  font-weight:700;
  letter-spacing:.04em;
  color:#fff;
  text-transform:uppercase;
}
.by-brand__meta{
  font-size:11px;
  color:var(--by-gray);
  letter-spacing:.1em;
}
.by-brand__meta::before{
  content:"●";
  color:var(--by-orange);
  margin-right:6px;
  font-size:10px;
  display:inline-block;
  vertical-align:middle;
  animation:by-pulse 2.4s infinite;
}
@keyframes by-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.4;transform:scale(.7)}
}
.by-quick{
  display:flex;
  gap:22px;
  align-items:center;
  margin-left:auto;
}
.by-quick__link{
  font-size:12px;
  font-weight:500;
  color:var(--by-gray);
  letter-spacing:.06em;
  padding:6px 0;
  position:relative;
  white-space:nowrap;
  transition:color .25s var(--by-ease);
}
.by-quick__link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;
  height:2px;
  background:var(--by-orange);
  transition:width .25s var(--by-ease);
}
.by-quick__link:hover{
  color:#fff;
}
.by-quick__link:hover::after{
  width:100%;
}
.by-nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:10px;
  background:var(--by-steel);
  border-radius:6px;
  flex-shrink:0;
}
.by-nav-toggle__bar{
  width:22px;
  height:2px;
  background:#fff;
  transition:transform .25s var(--by-ease), opacity .25s var(--by-ease);
}
.by-nav-toggle[aria-expanded="true"] .by-nav-toggle__bar:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}
.by-nav-toggle[aria-expanded="true"] .by-nav-toggle__bar:nth-child(2){
  opacity:0;
}
.by-nav-toggle[aria-expanded="true"] .by-nav-toggle__bar:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}
.by-nav{
  position:fixed;
  right:0;
  top:50%;
  transform:translateY(-50%);
  background:var(--by-dark);
  border-left:2px solid var(--by-steel);
  border-top:2px solid var(--by-steel);
  border-bottom:2px solid var(--by-steel);
  border-radius:14px 0 0 14px;
  padding:30px 14px;
  z-index:1200;
  box-shadow:-10px 0 30px rgba(0,0,0,.25);
  writing-mode:vertical-rl;
  display:flex;
  align-items:center;
  gap:20px;
}
.by-nav__list{
  display:flex;
  gap:12px;
  align-items:center;
}
.by-nav__link{
  display:block;
  font-family:var(--by-display);
  font-size:14px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--by-nearwhite);
  padding:6px 2px;
  border-left:3px solid transparent;
  border-right:3px solid transparent;
  transition:color .25s var(--by-ease), border-color .25s var(--by-ease);
}
.by-nav__link:hover{
  color:var(--by-orange);
}
.by-nav__link[aria-current="page"]{
  border-right-color:var(--by-orange);
  color:var(--by-orange);
}
.by-side-note{
  font-size:10px;
  letter-spacing:.3em;
  color:var(--by-gray);
}
.by-footer{
  background:var(--by-dark);
  color:var(--by-gray);
  margin-top:0;
  border-top:2px solid var(--by-steel);
  padding:56px 0 28px;
}
.by-footer__grid{
  display:grid;
  grid-template-columns:1.6fr .8fr .8fr;
  gap:40px;
}
.by-footer__slogan{
  font-family:var(--by-display);
  font-size:24px;
  font-weight:700;
  color:var(--by-gold);
  letter-spacing:.03em;
  margin-bottom:16px;
  line-height:1.2;
}
.by-footer__contact{
  font-size:13px;
  line-height:1.7;
  color:var(--by-gray);
}
.by-footer__heading{
  font-family:var(--by-display);
  font-size:16px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.18em;
  color:#fff;
  margin-bottom:16px;
  padding-bottom:10px;
  border-bottom:2px solid var(--by-steel);
}
.by-footer__list li+li{
  margin-top:10px;
}
.by-footer__link{
  font-size:14px;
  color:var(--by-gray);
  transition:color .25s var(--by-ease), padding-left .25s var(--by-ease);
  position:relative;
}
.by-footer__link::before{
  content:"›";
  opacity:0;
  position:absolute;
  left:-16px;
  color:var(--by-orange);
  transition:opacity .25s var(--by-ease);
}
.by-footer__link:hover{
  color:#fff;
  padding-left:6px;
}
.by-footer__link:hover::before{
  opacity:1;
}
.by-footer__bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--by-line);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
  color:var(--by-line);
}
.by-card{
  background:var(--by-steel);
  color:var(--by-nearwhite);
  border:1px solid var(--by-line);
  border-radius:12px;
  padding:24px;
  box-shadow:var(--by-shadow);
  transition:transform .25s var(--by-ease), box-shadow .25s var(--by-ease);
}
.by-card:hover{
  transform:translateY(-4px);
  box-shadow:0 24px 48px rgba(0,0,0,.4);
}
.by-panel{
  display:none;
}
.by-panel[data-open="true"]{
  display:block;
  animation:by-expand .3s var(--by-ease);
}
@keyframes by-expand{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:translateY(0)}
}

img{
  background:linear-gradient(135deg,var(--by-steel),var(--by-deep));
  border-radius:10px;
  object-fit:cover;
  width:100%;
  height:auto;
  aspect-ratio:16/9;
}
.facebook::after{
  content:"";
  display:block;
  width:100%;
  height:100%;
  background:
    linear-gradient(45deg, rgba(255,107,53,.25) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,107,53,.25) 25%, transparent 25%);
  background-size:20px 20px;
  background-position:0 0,10px 10px;
}

:focus-visible{
  outline:3px solid var(--by-orange);
  outline-offset:2px;
  border-radius:2px;
}
body:has(.by-nav[data-open="true"]){
  overflow:hidden;
}

@media (max-width:980px){
  .by-quick__link:nth-child(2),
  .by-quick__link:nth-child(3){
    display:none;
  }
  .by-nav{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    left:0;
    transform:none;
    writing-mode:horizontal-tb;
    border-radius:0;
    border:none;
    box-shadow:none;
    padding:80px 24px 24px;
    background:var(--by-dark);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    transform:translateX(100%);
    transition:transform .3s var(--by-ease);
    z-index:1500;
    overflow-y:auto;
  }
  .by-nav[data-open="true"]{
    transform:translateX(0);
  }
  .by-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .by-nav__link{
    display:block;
    padding:18px 0;
    font-family:var(--by-display);
    font-size:22px;
    border-left:none;
    border-right:none;
    border-bottom:1px solid var(--by-steel);
    letter-spacing:.12em;
  }
  .by-nav__link[aria-current="page"]{
    border-right:none;
    border-bottom-color:var(--by-orange);
    color:var(--by-orange);
  }
  .by-side-note{
    display:block;
    margin-top:30px;
    writing-mode:horizontal-tb;
    text-align:center;
    color:var(--by-gray);
  }
  .by-nav-toggle{
    display:flex;
    z-index:1600;
    margin-left:auto;
  }
  body:has(.by-nav[data-open="true"]) .by-nav-toggle{
    position:fixed;
    top:14px;
    right:16px;
    background:transparent;
  }
  .by-footer__grid{
    grid-template-columns:1fr;
    gap:28px;
  }
}

@media (max-width:560px){
  .by-header__inner{
    height:auto;
    padding-top:10px;
    padding-bottom:10px;
    flex-wrap:wrap;
  }
  .by-brand__name{
    font-size:20px;
  }
  .by-quick{
    display:none;
  }
  .by-footer__bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .by-container{
    padding-left:18px;
    padding-right:18px;
  }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  html{
    scroll-behavior:auto;
  }
  .by-nav{
    transition:none;
  }
}