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

:root{
  --navy:#0C1A2B;
  --ink:#102A38;
  --green:#0E7C6B;
  --green-lt:#63C7B2;
  --copper:#B9843A;
  --copper-lt:#E3B563;
  --violet:#6F5BE8;
  --sand:#F2E9DB;
  --paper:#FBF7F0;
  --graphite:#4E5D68;
  --alert:#B4553A;
  --body-text:#1F2E3A;
  --shell-x:clamp(18px,4vw,56px);
  --width:1280px;
  --header-h:76px;
  --sans:"Source Han Sans SC","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

body{
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--body-text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

:focus-visible{
  outline:2px solid var(--copper-lt);
  outline-offset:2px;
}

.jb-shell{width:min(var(--width),calc(100% - var(--shell-x) * 2));margin-inline:auto;}

.jb-mono{font-family:var(--mono);letter-spacing:.04em;font-variant-numeric:tabular-nums;}

/* ---------- skip link ---------- */
.jb-skip{
  position:fixed;
  left:16px;
  top:-80px;
  z-index:200;
  padding:12px 20px;
  background:var(--copper-lt);
  color:var(--navy);
  font-weight:700;
  font-size:15px;
  letter-spacing:.06em;
  transition:top .22s var(--ease);
}
.jb-skip:focus{top:16px;}

/* ---------- header ---------- */
.jb-header{
  position:sticky;
  top:0;
  z-index:80;
  color:var(--paper);
  background:linear-gradient(180deg,rgba(12,26,43,.95) 0%,rgba(12,26,43,.68) 58%,rgba(12,26,43,0) 100%);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.jb-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,rgba(185,132,58,0) 0%,rgba(185,132,58,.85) 18%,rgba(99,199,178,.6) 62%,rgba(99,199,178,0) 100%);
  opacity:0;
  transition:opacity .3s var(--ease);
}
.jb-header[data-scrolled]{
  background:var(--navy);
  box-shadow:0 18px 40px -34px rgba(12,26,43,.95);
}
.jb-header[data-scrolled]::after{opacity:1;}

.jb-header__inner{
  width:min(var(--width),calc(100% - var(--shell-x) * 2));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:clamp(14px,2vw,36px);
  min-height:var(--header-h);
  padding-block:10px;
}

.jb-brand{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.jb-brand__mark{
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--navy);
  background:linear-gradient(140deg,var(--green-lt),var(--green));
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.jb-brand__text{display:flex;flex-direction:column;line-height:1.25;}
.jb-brand__name{font-size:15px;font-weight:700;letter-spacing:.06em;color:var(--paper);}
.jb-brand__sub{font-size:11px;letter-spacing:.16em;color:var(--copper-lt);}

.jb-nav{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,30px);
  margin-left:auto;
}
.jb-nav__list{display:flex;align-items:center;gap:clamp(8px,1.6vw,24px);}
.jb-nav__item{flex:0 0 auto;}
.jb-nav__link{
  position:relative;
  display:inline-block;
  padding:8px 3px;
  font-size:15px;
  letter-spacing:.05em;
  color:rgba(251,247,240,.86);
  transition:color .2s var(--ease);
}
.jb-nav__link::after{
  content:"";
  position:absolute;
  left:3px;right:3px;bottom:1px;
  height:2px;
  background:var(--green-lt);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s var(--ease),background-color .2s var(--ease);
}
.jb-nav__link:hover{color:var(--paper);}
.jb-nav__link:hover::after,
.jb-nav__link:focus-visible::after{transform:scaleX(1);}
.jb-nav__link[aria-current="page"]{color:var(--copper-lt);}
.jb-nav__link[aria-current="page"]::after{background:var(--copper-lt);transform:scaleX(1);}

.jb-nav__actions{display:inline-flex;align-items:center;gap:10px;}

.jb-header__tools{position:relative;z-index:3;display:flex;align-items:center;}
.jb-season{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border:1px solid rgba(99,199,178,.45);
  background:rgba(14,124,107,.18);
  color:var(--paper);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.jb-season:hover{border-color:var(--copper-lt);background:rgba(14,124,107,.32);}
.jb-season__label{font-size:11px;letter-spacing:.16em;color:rgba(251,247,240,.72);}
.jb-season__code{font-size:13px;color:var(--copper-lt);}

.jb-burger{
  position:relative;
  z-index:3;
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:52px;
  min-height:46px;
  margin-left:auto;
  border:1px solid rgba(227,181,99,.5);
  color:var(--copper-lt);
  transition:background-color .22s var(--ease);
}
.jb-burger:hover{background:rgba(227,181,99,.14);}
.jb-burger__bar{
  display:block;
  width:20px;
  height:2px;
  background:currentColor;
  transition:transform .24s var(--ease);
}
.jb-burger__label{font-size:10px;letter-spacing:.14em;line-height:1;}
.jb-header[data-open] .jb-burger__bar:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.jb-header[data-open] .jb-burger__bar:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);}

/* ---------- buttons ---------- */
.jb-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-size:14px;
  letter-spacing:.06em;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.jb-btn:hover{transform:translateY(-1px);}
.jb-btn--primary{background:var(--green);color:var(--paper);}
.jb-btn--primary:hover{background:var(--green-lt);color:var(--navy);}
.jb-btn--ghost{border-color:rgba(227,181,99,.6);color:var(--copper-lt);}
.jb-btn--ghost:hover{background:rgba(227,181,99,.16);color:var(--paper);}
.jb-btn--copper{background:var(--copper);color:var(--navy);font-weight:700;}
.jb-btn--copper:hover{background:var(--copper-lt);}

/* ---------- breadcrumb ---------- */
.jb-crumb{padding:22px 0 0;}
.jb-crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--graphite);}
.jb-crumb__item{display:inline-flex;align-items:center;gap:8px;}
.jb-crumb__link{color:var(--graphite);border-bottom:1px solid rgba(78,93,104,.35);}
.jb-crumb__link:hover{color:var(--green);border-color:var(--green);}
.jb-crumb__sep{color:var(--copper);}
.jb-crumb__current{color:var(--ink);font-weight:700;}

/* ---------- typography blocks ---------- */
.jb-section{padding:clamp(48px,7vw,96px) 0;}
.jb-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--green);
  text-transform:uppercase;
}
.jb-eyebrow::before{content:"";width:22px;height:1px;background:var(--copper);}
.jb-h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(26px,3.2vw,40px);
  font-weight:800;
  line-height:1.32;
  letter-spacing:.02em;
  color:var(--ink);
}
.jb-h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:4px;height:.9em;
  background:linear-gradient(180deg,var(--copper),var(--copper-lt));
}
.jb-h3{
  position:relative;
  padding-left:14px;
  font-size:clamp(19px,2vw,23px);
  font-weight:700;
  line-height:1.4;
  letter-spacing:.02em;
  color:var(--ink);
}
.jb-h3::before{
  content:"";
  position:absolute;
  left:0;top:.18em;
  width:3px;height:.86em;
  background:var(--copper);
}
.jb-prose{max-width:68ch;font-size:17px;line-height:1.78;color:var(--body-text);}
.jb-prose p + p{margin-top:1.1em;}
.jb-prose h2{margin-top:2em;margin-bottom:.6em;}
.jb-prose h3{margin-top:1.6em;margin-bottom:.5em;}
.jb-prose ul{margin-top:1em;display:grid;gap:.5em;}
.jb-prose li{padding-left:20px;position:relative;}
.jb-prose li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:1px;
  background:var(--green);
}
.jb-prose a{color:var(--green);border-bottom:1px solid rgba(14,124,107,.4);}
.jb-prose a:hover{border-color:var(--green);}

.jb-note{
  writing-mode:vertical-rl;
  font-size:14px;
  letter-spacing:.32em;
  color:var(--graphite);
  font-family:var(--mono);
}

.jb-rule{
  height:1px;
  border:0;
  background:linear-gradient(90deg,var(--copper) 0%,rgba(185,132,58,.18) 46%,rgba(185,132,58,0) 100%);
  margin:clamp(24px,3vw,40px) 0;
}

/* ---------- grid ---------- */
.jb-grid{display:grid;gap:clamp(18px,2.4vw,32px);}
.jb-grid--halves{grid-template-columns:repeat(2,minmax(0,1fr));}
.jb-grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ---------- panel ---------- */
.jb-panel{
  background:var(--paper);
  border:1px solid rgba(78,93,104,.24);
  padding:clamp(20px,2.6vw,34px);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.jb-panel--dark{background:var(--ink);border-color:rgba(99,199,178,.28);color:var(--paper);}
.jb-panel--dark .jb-h3,.jb-panel--dark .jb-h2{color:var(--paper);}
.jb-panel--sand{background:var(--sand);border-color:rgba(185,132,58,.34);}

/* ---------- tag ---------- */
.jb-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--ink);
  background:var(--sand);
  border-left:3px solid var(--green);
}
.jb-tag--copper{border-left-color:var(--copper);background:#F7EDDB;}
.jb-tag--alert{border-left-color:var(--alert);background:#F8EAE4;}

/* ---------- figure ---------- */
.jb-figure{margin:0;}
.jb-figure__media{
  position:relative;
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:
    linear-gradient(135deg,var(--sand) 0%,#E6DCCB 58%,rgba(99,199,178,.55) 130%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.jb-figure--portrait .jb-figure__media{aspect-ratio:4 / 5;}
.jb-figure__media img{width:100%;height:100%;object-fit:cover;}
.jb-figure__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(0deg,rgba(12,26,43,.06) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.jb-figure__caption{
  margin-top:10px;
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--graphite);
}

/* ---------- footer ---------- */
.jb-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  background:var(--navy);
  color:rgba(251,247,240,.82);
}
.jb-footer::before{
  content:"";
  display:block;
  height:6px;
  background:linear-gradient(90deg,var(--green) 0 34%,var(--copper) 34% 62%,var(--green-lt) 62% 100%);
}
.jb-footer__inner{
  width:min(var(--width),calc(100% - var(--shell-x) * 2));
  margin-inline:auto;
  padding:clamp(40px,5.5vw,72px) 0 30px;
}
.jb-footer__top{
  display:grid;
  grid-template-columns:minmax(260px,1.1fr) 1.9fr;
  gap:clamp(28px,4vw,64px);
}
.jb-footer__title{
  position:relative;
  padding-left:14px;
  font-size:20px;
  font-weight:700;
  letter-spacing:.05em;
  color:var(--paper);
}
.jb-footer__title::before{
  content:"";
  position:absolute;
  left:0;top:.2em;
  width:3px;height:.86em;
  background:var(--copper);
}
.jb-footer__intro{
  margin-top:16px;
  max-width:36ch;
  font-size:14px;
  line-height:1.85;
  color:rgba(251,247,240,.72);
}
.jb-footer__stamp{
  margin-top:18px;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--green-lt);
}
.jb-footer__cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.jb-footer__col-title{
  padding-bottom:10px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--copper-lt);
  border-bottom:1px solid rgba(185,132,58,.34);
}
.jb-footer__list{margin-top:14px;display:grid;gap:10px;}
.jb-footer__link{
  font-size:14px;
  color:rgba(251,247,240,.8);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.jb-footer__link:hover{color:var(--green-lt);border-color:rgba(99,199,178,.6);}
.jb-footer__contact{
  margin-top:clamp(28px,4vw,48px);
  padding-top:24px;
  border-top:1px solid rgba(251,247,240,.14);
  display:grid;
  gap:8px;
}
.jb-footer__contact-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:baseline;
  font-size:14px;
  color:rgba(251,247,240,.82);
}
.jb-footer__contact-key{
  min-width:66px;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--copper-lt);
}
.jb-footer__contact-note{font-size:13px;color:rgba(251,247,240,.6);}
.jb-footer__meta{
  margin-top:28px;
  padding-top:18px;
  border-top:1px solid rgba(251,247,240,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  justify-content:space-between;
  font-size:12.5px;
  color:rgba(251,247,240,.58);
}
.jb-footer__icp{letter-spacing:.06em;}
.jb-footer__copy{letter-spacing:.04em;}

/* ---------- reveal ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .44s var(--ease),transform .44s var(--ease);
  will-change:opacity,transform;
}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .jb-header__inner{min-height:68px;}
  .jb-burger{display:inline-flex;}
  .jb-header__tools{display:none;}
  .jb-nav{
    position:fixed;
    inset:0;
    z-index:2;
    display:none;
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:26px;
    padding:calc(var(--header-h) + 30px) var(--shell-x) 44px;
    background:linear-gradient(160deg,var(--navy) 0%,#0B2231 62%,var(--ink) 100%);
    overflow-y:auto;
  }
  .jb-header[data-open] .jb-nav{display:flex;}
  .jb-nav__list{flex-direction:column;align-items:flex-start;gap:2px;width:100%;}
  .jb-nav__link{
    display:block;
    padding:12px 0;
    font-size:clamp(22px,5.4vw,30px);
    font-weight:700;
    letter-spacing:.06em;
    color:var(--paper);
  }
  .jb-nav__link::after{left:0;right:auto;width:100%;bottom:6px;}
  .jb-nav__actions{display:flex;flex-direction:column;gap:12px;width:100%;}
  .jb-nav__actions .jb-btn{width:100%;padding:15px 18px;font-size:15px;}
  .jb-footer__top{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:820px){
  body{font-size:16px;}
  .jb-grid--halves,.jb-grid--thirds{grid-template-columns:minmax(0,1fr);}
  .jb-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .jb-figure__media{aspect-ratio:16 / 11;}
}

@media (max-width:560px){
  :root{--shell-x:18px;}
  .jb-brand__sub{display:none;}
  .jb-brand__mark{width:34px;height:34px;}
  .jb-footer__cols{grid-template-columns:minmax(0,1fr);}
  .jb-footer__contact-key{min-width:100%;}
  .jb-footer__meta{flex-direction:column;gap:8px;}
  .jb-panel{clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1 !important;transform:none !important;}
  .jb-btn:hover{transform:none;}
}