:root{
  --ink:#06080B;
  --panel:#14171D;
  --line:#2A2F37;
  --teal-deep:#0B2E2C;
  --indigo:#1C1547;
  --wine:#3A1220;
  --cyan:#34F5D0;
  --cyan-press:#0F5D55;
  --orange:#FF7A1A;
  --white:#F3F6F8;
  --silver:#98A2AE;
  --silver-dim:#5C6672;
  --shell:1440px;
  --gutter:clamp(16px,3.4vw,48px);
  --grid-gap:clamp(16px,2.2vw,36px);
  --font-head:"Arial Narrow","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;background:var(--ink);color:var(--white);
  font-family:var(--font-body);font-size:17px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.is-nav-open{overflow:hidden;}
@media (min-width:1021px){body.is-nav-open{overflow:auto;}}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font-head);font-weight:300;line-height:1.04;letter-spacing:.01em;}
h1{font-size:clamp(46px,8.4vw,96px);}
h2{font-size:clamp(32px,5vw,64px);}
h3{font-size:clamp(24px,3.2vw,40px);}
h4{font-size:clamp(20px,2.1vw,28px);}
h5{font-size:20px;}
h6{font-size:16px;}
p{margin:0;max-width:38em;}
ul,ol{margin:0;padding:0;list-style:none;}
dl,dd,dt,figure,blockquote{margin:0;}
a{color:inherit;text-decoration:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
::selection{background:var(--cyan);color:var(--ink);}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:12px;top:-72px;z-index:300;
  padding:10px 18px;background:var(--cyan);color:var(--ink);
  font-family:var(--font-head);font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- generic typography helpers ---------- */
.kicker{
  font-family:var(--font-head);font-size:12px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--silver);
}
.index-label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  color:var(--silver);text-transform:uppercase;
}
.sup{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--silver);vertical-align:super;line-height:0;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.data-figure{
  font-family:var(--font-mono);font-weight:500;letter-spacing:-.02em;
  line-height:1;color:var(--white);font-variant-numeric:tabular-nums;
}
.section-num{
  display:inline-block;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.2em;color:var(--orange);
}

/* ---------- layout ---------- */
.shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding-left:var(--gutter);padding-right:var(--gutter);
}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--grid-gap);}
@media (min-width:900px){
  .layout-7-5 > *:nth-child(1){grid-column:span 7;}
  .layout-7-5 > *:nth-child(2){grid-column:span 5;}
  .layout-8-4 > *:nth-child(1){grid-column:span 8;}
  .layout-8-4 > *:nth-child(2){grid-column:span 4;}
  .layout-9-3 > *:nth-child(1){grid-column:span 9;}
  .layout-9-3 > *:nth-child(2){grid-column:span 3;}
}
.stack{display:grid;gap:clamp(14px,2vw,24px);}
.prose{max-width:40em;}
.prose p{max-width:34em;}
.prose p + p{margin-top:1.05em;}

/* ---------- zones ---------- */
.zone{
  padding:clamp(28px,4.4vw,72px) 0;
  border-top:1px solid var(--line);
}
.zone--teal{background:var(--teal-deep);}
.zone--indigo{background:var(--indigo);}
.zone--wine{background:var(--wine);}
.zone--panel{background:var(--panel);}

/* ---------- rules & tags ---------- */
.rule{position:relative;height:1px;border:0;background:var(--line);margin:0;}
.rule::after{
  content:"";position:absolute;left:0;top:0;width:72px;height:1px;background:var(--orange);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--line);color:var(--silver);
  font-family:var(--font-head);font-size:11px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
}
.tag--cyan{color:var(--cyan);border-color:var(--cyan-press);}
.tag--orange{color:var(--orange);border-color:rgba(255,122,26,.42);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 22px;border:1px solid var(--cyan);background:var(--cyan);color:var(--ink);
  font-family:var(--font-head);font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{background:var(--cyan-press);border-color:var(--cyan-press);color:var(--white);}
.btn--ghost{background:transparent;color:var(--white);border-color:var(--line);}
.btn--ghost:hover{background:transparent;border-color:var(--cyan);color:var(--cyan);}
.btn--orange{background:var(--orange);border-color:var(--orange);color:var(--ink);}
.btn--orange:hover{background:#C85A0E;border-color:#C85A0E;color:var(--white);}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  font-family:var(--font-head);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--silver);
}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-list li + li::before{content:"/";margin-right:8px;color:var(--silver-dim);}
.breadcrumb-list a:hover{color:var(--cyan);}
.breadcrumb-list [aria-current="page"]{color:var(--white);}

/* ---------- media frame ---------- */
.media-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(128deg,var(--teal-deep) 0%,var(--ink) 52%,var(--indigo) 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(52,245,208,.10) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(0deg,rgba(243,246,248,.06) 0 1px,transparent 1px 72px);
}
.media-frame img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;}
.media-frame--wide{aspect-ratio:16/9;}
.media-frame--tall{aspect-ratio:4/5;}
.media-frame--band{aspect-ratio:5/1;}
@media (max-width:600px){.media-frame--band{aspect-ratio:3/1;}}

/* ================= HEADER ================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,8,11,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:var(--shell);margin:0 auto;
  padding:14px var(--gutter);
}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;}
.brand-mark{display:inline-flex;align-items:baseline;gap:8px;}
.brand-name{
  font-family:var(--font-head);font-size:clamp(20px,2.3vw,28px);font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--white);
  transition:color .18s var(--ease);
}
.brand-mark:hover .brand-name{color:var(--cyan);}
.brand-suffix{
  font-family:var(--font-head);font-size:12px;font-weight:600;
  letter-spacing:.2em;color:var(--orange);
}
.brand-meta{
  display:none;align-items:center;gap:9px;max-width:none;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--silver);white-space:nowrap;
}
.brand-dot{
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(52,245,208,.14);flex:0 0 auto;
}
@media (min-width:1024px){.brand-meta{display:inline-flex;}}

.primary-nav{display:flex;}
.nav-list{display:flex;align-items:center;gap:clamp(12px,1.7vw,28px);}
.nav-link{
  position:relative;display:inline-block;padding:8px 2px;white-space:nowrap;
  font-family:var(--font-head);font-size:13px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--silver);
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--white);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--white);}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--orange);}

.nav-toggle{
  display:none;align-items:center;gap:10px;padding:9px 13px;
  border:1px solid var(--line);color:var(--white);
  font-family:var(--font-head);font-size:11px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle-bars{position:relative;width:18px;height:9px;flex:0 0 auto;}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform .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(4px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-4px) rotate(-45deg);}

/* schedule strip */
.schedule-strip{
  display:flex;align-items:stretch;
  border-top:1px solid var(--line);background:var(--panel);
}
.strip-label{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:0 16px;background:var(--cyan);color:var(--ink);
  font-family:var(--font-head);font-size:10px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;
}
.strip-track{
  flex:1 1 auto;min-width:0;display:flex;align-items:stretch;
  overflow-x:auto;overflow-y:hidden;
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;
}
.strip-track::-webkit-scrollbar{height:4px;}
.strip-track::-webkit-scrollbar-track{background:transparent;}
.strip-track::-webkit-scrollbar-thumb{background:var(--line);}
.strip-day{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:0 16px;border-right:1px solid var(--line);
  background:rgba(52,245,208,.05);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--cyan);text-transform:uppercase;
}
.strip-item{
  flex:0 0 auto;display:inline-flex;align-items:baseline;gap:10px;
  padding:9px 18px;border-right:1px solid var(--line);
  transition:background .18s var(--ease);
}
.strip-item:hover{background:var(--teal-deep);}
.strip-time{
  font-family:var(--font-mono);font-size:14px;letter-spacing:-.01em;
  color:var(--orange);font-variant-numeric:tabular-nums;
  transition:color .18s var(--ease);
}
.strip-item:hover .strip-time{color:var(--cyan);}
.strip-tag{
  font-family:var(--font-head);font-size:11px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--white);
}
.strip-note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--silver);
}
@media (max-width:600px){
  .strip-label{padding:0 10px;letter-spacing:.14em;}
  .strip-item{padding:8px 13px;gap:8px;}
}

/* read progress */
.read-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  overflow:hidden;pointer-events:none;
}
.read-progress-fill{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transform:scaleX(0);transform-origin:left center;
}

/* mobile navigation */
@media (max-width:1020px){
  .nav-toggle{display:inline-flex;}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;z-index:99;
    display:none;max-height:72vh;overflow-y:auto;
    padding:6px var(--gutter) 20px;
    background:var(--panel);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .primary-nav[data-open]{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{
    display:block;padding:15px 0;font-size:15px;letter-spacing:.1em;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{color:var(--cyan);}
}

/* ================= FOOTER ================= */
.site-footer{
  margin-top:clamp(48px,7vw,120px);
  background:var(--panel);border-top:1px solid var(--line);
}
.footer-inner{
  max-width:var(--shell);margin:0 auto;
  padding:clamp(36px,5vw,72px) var(--gutter) 22px;
}
.footer-brandrow{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px;
  padding-bottom:24px;margin-bottom:30px;border-bottom:1px solid var(--line);
}
.footer-brand{
  font-family:var(--font-head);font-size:clamp(22px,3vw,34px);font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--white);
  transition:color .18s var(--ease);
}
.footer-brand:hover{color:var(--cyan);}
.footer-brand-note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;
  color:var(--silver);text-transform:uppercase;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px);
  padding-bottom:34px;border-bottom:1px solid var(--line);
}
@media (min-width:760px){
  .footer-grid{grid-template-columns:1.1fr 1fr .95fr;gap:clamp(24px,3vw,44px);}
  .footer-col--contact,.footer-col--meta{
    border-left:1px solid var(--line);
    padding-left:clamp(20px,2.4vw,32px);
  }
}
.footer-col--index{min-width:0;}
.footer-kicker{
  margin-bottom:14px;max-width:none;
  font-family:var(--font-head);font-size:11px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);
}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 18px;}
.footer-links a{
  display:inline-block;padding:3px 0;font-size:14px;color:var(--white);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-links a:hover{color:var(--cyan);border-bottom-color:var(--cyan-press);}
.footer-legal{
  display:flex;flex-wrap:wrap;gap:6px 18px;
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
}
.footer-legal a{
  font-size:12px;letter-spacing:.08em;color:var(--silver);
  transition:color .18s var(--ease);
}
.footer-legal a:hover{color:var(--orange);}
.contact-list{display:grid;gap:14px;}
.contact-list li{display:grid;gap:3px;}
.contact-key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--silver);
}
.contact-value{font-size:14px;line-height:1.6;color:var(--white);word-break:break-word;}
.contact-value--num{
  font-family:var(--font-mono);font-size:18px;letter-spacing:.03em;
  color:var(--cyan);font-variant-numeric:tabular-nums;
}
.meta-list{display:grid;gap:10px;}
.meta-row{
  display:grid;grid-template-columns:76px minmax(0,1fr);gap:10px;align-items:baseline;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.meta-row dt{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--silver);
}
.meta-row dd{
  font-family:var(--font-mono);font-size:13px;color:var(--white);
  font-variant-numeric:tabular-nums;
}
.footer-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;
  gap:10px 24px;padding-top:22px;
}
.footer-statement{max-width:46em;font-size:13px;line-height:1.75;color:var(--silver);}
.footer-domain{
  max-width:none;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.1em;color:var(--silver-dim);
}

/* ================= MOTION ================= */
.js-reveal [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.js-reveal [data-reveal].is-visible{opacity:1;transform:none;}
[data-spy-link]{transition:color .2s var(--ease);}
[data-spy-link].is-current{color:var(--cyan);}

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