/* ===========================================================
   KAIYUN竞猜 · /assets/site.css
   堆叠面板 · 悬浮胶囊 · 数据看板
   =========================================================== */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:112px}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 2. tokens ---------- */
:root{
  color-scheme:dark;

  --ink-900:#07130F;
  --ink-800:#10251E;
  --ink-750:#0C1F19;
  --line:#1E3A31;
  --line-soft:rgba(30,58,49,.55);
  --silver:#C7D2CE;
  --mist:#7E8F8A;
  --cyan:#2FE6C8;
  --orange:#FF7A2F;
  --fog:#EEF4F1;
  --ice:#6FD3FF;
  --warm:#F2C879;

  --bg:var(--ink-900);
  --panel:var(--ink-800);
  --text:var(--silver);
  --text-strong:#EEF4F1;
  --text-dim:var(--mist);

  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell:1240px;
  --gutter:clamp(16px,4vw,40px);
  --radius-s:8px;
  --radius-m:14px;
  --radius-pill:999px;
  --shadow-stack:0 1px 0 rgba(255,255,255,.03),0 14px 34px -22px rgba(0,0,0,.95);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. base ---------- */
body{
  min-height:100vh;
  overflow-x:clip;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(120% 55% at 50% -12%,rgba(47,230,200,.10),transparent 62%),
    repeating-linear-gradient(90deg,rgba(30,58,49,.22) 0 1px,transparent 1px 120px),
    repeating-linear-gradient(0deg,rgba(30,58,49,.11) 0 1px,transparent 1px 120px);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.16;
  color:var(--text-strong);
}
h1{font-size:clamp(32px,4.4vw,56px)}
h2{font-size:clamp(24px,3vw,40px)}
h3{font-size:clamp(19px,2.2vw,28px)}
h4{font-size:clamp(17px,1.6vw,20px)}
::selection{background:rgba(47,230,200,.3);color:var(--text-strong)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- 4. layout ---------- */
.container{width:min(100% - var(--gutter) * 2,var(--shell));margin-inline:auto}
.section{padding-block:clamp(56px,8vw,96px)}
.section--tight{padding-block:clamp(32px,4vw,56px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:14px 24px;margin-bottom:clamp(20px,3vw,36px);
}
.grid-12{display:grid;gap:clamp(16px,2.4vw,28px);grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-12 > *{grid-column:span 4}
@media (min-width:768px){
  .grid-12{grid-template-columns:repeat(8,minmax(0,1fr))}
  .grid-12 > *{grid-column:span 8}
}
@media (min-width:1120px){
  .grid-12{grid-template-columns:repeat(12,minmax(0,1fr))}
  .grid-12 > *{grid-column:span 12}
  .col-3{grid-column:span 3}
  .col-4{grid-column:span 4}
  .col-5{grid-column:span 5}
  .col-6{grid-column:span 6}
  .col-7{grid-column:span 7}
  .col-8{grid-column:span 8}
  .col-12{grid-column:span 12}
}
.read-grid{display:grid;gap:clamp(24px,3vw,40px);grid-template-columns:minmax(0,1fr)}
@media (min-width:1024px){
  .read-grid{grid-template-columns:minmax(0,7fr) minmax(0,3fr)}
}
.data-rule{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,rgba(47,230,200,0),rgba(47,230,200,.45) 18%,rgba(30,58,49,.9) 62%,rgba(30,58,49,0));
}
.data-rule--bleed{width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw)}

/* ---------- 5. buttons / chips / filters ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(16,37,30,.7);color:var(--text-strong);
  font-size:14px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-1px)}
.btn--primary{
  background:linear-gradient(135deg,rgba(47,230,200,.18),rgba(111,211,255,.14));
  border-color:rgba(47,230,200,.55);color:var(--cyan);
}
.btn--primary:hover{
  background:linear-gradient(135deg,var(--cyan),#23C9AD);
  border-color:transparent;color:var(--ink-900);
}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--silver)}
.btn--quiet{padding:6px 12px;font-size:12.5px;color:var(--mist);background:transparent}
.copy-btn{
  padding:4px 10px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(7,19,15,.6);color:var(--mist);cursor:pointer;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.copy-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.copy-btn[data-copied="true"]{color:var(--orange);border-color:var(--orange)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--cyan);
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.75}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(7,19,15,.6);color:var(--mist);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;
}
.chip--cyan{color:var(--cyan);border-color:rgba(47,230,200,.4);background:rgba(47,230,200,.1)}
.chip--orange{color:var(--orange);border-color:rgba(255,122,47,.4);background:rgba(255,122,47,.1)}
.chip--ice{color:var(--ice);border-color:rgba(111,211,255,.4);background:rgba(111,211,255,.1)}

.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px;
  border:1px solid var(--line);border-radius:var(--radius-pill);background:rgba(7,19,15,.6);
}
.filter-btn{
  padding:7px 14px;border:1px solid transparent;border-radius:var(--radius-pill);
  color:var(--mist);font-family:var(--font-mono);font-size:13px;cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.filter-btn:hover{color:var(--silver);background:rgba(47,230,200,.08)}
.filter-btn[aria-pressed="true"]{color:var(--ink-900);background:var(--cyan);border-color:var(--cyan)}
.filter-empty{
  padding:24px;border:1px dashed var(--line);border-radius:var(--radius-m);
  color:var(--mist);font-size:14px;text-align:center;
}
.is-hidden{display:none !important}

/* ---------- 6. panels ---------- */
.panel{
  position:relative;padding:clamp(20px,3vw,32px);
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(16,37,30,.92),rgba(8,21,16,.86));
  box-shadow:var(--shadow-stack);
}
.panel::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  border-top:1px solid rgba(199,210,206,.05);pointer-events:none;
}
.panel--wide{padding:clamp(24px,4vw,48px)}
.panel--narrow{max-width:780px}
.panel-stack{display:grid;gap:clamp(18px,3vw,32px)}
@media (min-width:900px){
  .panel-stack > .panel:nth-child(odd){width:calc(100% - 48px)}
  .panel-stack > .panel:nth-child(even){width:calc(100% - 48px);margin-left:auto}
}
.panel-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:10px 20px;padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--line);
}
.panel-title{font-size:clamp(17px,1.8vw,22px)}
.panel-meta{font-family:var(--font-mono);font-size:12px;color:var(--mist);letter-spacing:.04em}

/* ---------- 7. data components ---------- */
.stat-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.stat{
  padding:16px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:linear-gradient(180deg,rgba(16,37,30,.7),rgba(7,19,15,.5));
}
.stat-value{
  display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.1;color:var(--text-strong);
}
.stat-value--accent{color:var(--cyan)}
.stat-value--signal{color:var(--orange)}
.stat-label{display:block;margin-top:6px;font-size:12.5px;color:var(--mist)}

.timeline{position:relative;padding-left:22px}
.timeline::before{
  content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(47,230,200,.6),rgba(30,58,49,.9));
}
.timeline-item{position:relative;padding-bottom:22px}
.timeline-item::before{
  content:"";position:absolute;left:-22px;top:7px;width:11px;height:11px;
  border-radius:50%;border:1px solid var(--cyan);background:var(--ink-900);
}
.timeline-item--signal::before{border-color:var(--orange);background:rgba(255,122,47,.25)}
.timeline-time{display:block;font-family:var(--font-mono);font-size:12px;color:var(--mist);letter-spacing:.04em}
.timeline-title{display:block;margin-top:2px;font-family:var(--font-head);font-weight:700;font-size:15px;color:var(--text-strong)}
.timeline-text{display:block;margin-top:4px;font-size:14px;color:var(--mist)}

.index-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.index-card{
  display:flex;flex-direction:column;gap:8px;padding:16px;
  border:1px solid var(--line);border-radius:var(--radius-s);
  background:linear-gradient(180deg,rgba(16,37,30,.55),rgba(7,19,15,.35));
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.index-card:hover{border-color:var(--cyan);transform:translateY(-2px)}
.index-card-title{font-family:var(--font-head);font-weight:700;font-size:15.5px;letter-spacing:-.01em;color:var(--text-strong)}
.index-card-desc{font-size:13.5px;line-height:1.7;color:var(--mist)}
.index-card-meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--mist)}

.note-rail{display:grid;gap:16px;align-content:start}
.note{
  padding:16px 18px;border:1px solid var(--line);border-left:2px solid var(--cyan);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  background:rgba(16,37,30,.5);font-size:14px;line-height:1.75;color:var(--mist);
}
.note--signal{border-left-color:var(--orange)}

.chart{
  position:relative;padding:20px;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(16,37,30,.6),rgba(7,19,15,.4));
}
.chart::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:repeating-linear-gradient(0deg,rgba(30,58,49,.35) 0 1px,transparent 1px 44px);
}
.sparkline{width:100%;height:auto}
.sparkline-grid{stroke:var(--line);stroke-width:1}
.sparkline-path{
  fill:none;stroke:var(--cyan);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:1400;stroke-dashoffset:1400;
  transition:stroke-dashoffset 1.4s var(--ease);
}
.sparkline-dot{fill:var(--ink-900);stroke:var(--cyan);stroke-width:2}
[data-reveal].is-visible .sparkline-path{stroke-dashoffset:0}

/* ---------- 8. media ---------- */
.media{
  position:relative;display:block;overflow:hidden;aspect-ratio:16/9;
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(160deg,#0F241D,#08150F 60%,#0B1F19);
}
.media::before{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg,rgba(47,230,200,.10) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(0deg,rgba(47,230,200,.06) 0 1px,transparent 1px 64px);
}
.media::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(40% 55% at 78% 16%,rgba(242,200,121,.22),transparent 70%),
    radial-gradient(62% 70% at 10% 92%,rgba(47,230,200,.14),transparent 70%);
}
.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media-grid{display:grid;gap:clamp(12px,2vw,24px);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.media-caption{margin-top:10px;font-size:13px;color:var(--mist)}

/* ---------- 9. breadcrumb & prose ---------- */
.breadcrumb{padding-block:18px;font-size:13px;color:var(--mist)}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px;color:var(--mist)}
.breadcrumb-item[aria-current="page"]{color:var(--silver)}
.breadcrumb-link{color:var(--mist);transition:color .2s var(--ease)}
.breadcrumb-link:hover{color:var(--cyan)}
.breadcrumb-sep{color:var(--line)}

.prose{max-width:68ch;font-size:16.5px;line-height:1.8;color:var(--silver)}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(22px,2.6vw,28px);margin-top:1.8em}
.prose h3{font-size:clamp(18px,2vw,20px);margin-top:1.5em}
.prose a{color:var(--ice);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--text-strong)}
.prose ul li{position:relative;padding-left:18px;margin-top:.5em}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:2px;background:var(--cyan);
}
.prose blockquote{padding-left:16px;border-left:2px solid var(--cyan);color:var(--mist)}
.prose code{
  padding:2px 6px;border:1px solid var(--line);border-radius:6px;
  background:rgba(16,37,30,.7);color:var(--cyan);
  font-family:var(--font-mono);font-size:.92em;
}

/* ---------- 10. header ---------- */
.skip-link{
  position:absolute;left:50%;top:0;z-index:95;
  transform:translate(-50%,-160%);
  padding:10px 18px;border-radius:0 0 var(--radius-m) var(--radius-m);
  background:var(--cyan);color:var(--ink-900);
  font-size:14px;font-weight:700;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0)}

.site-header{
  position:sticky;top:0;z-index:70;
  padding:clamp(10px,1.4vw,18px) var(--gutter) calc(clamp(10px,1.4vw,18px) + 10px);
  background:linear-gradient(180deg,rgba(7,19,15,.96) 0%,rgba(7,19,15,.86) 66%,rgba(7,19,15,0) 100%);
  backdrop-filter:blur(10px);
}
.header-shell{
  position:relative;
  display:flex;align-items:center;gap:clamp(10px,2vw,28px);
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:8px 10px 8px 18px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:linear-gradient(180deg,rgba(16,37,30,.92),rgba(7,19,15,.86));
  box-shadow:0 18px 44px -32px rgba(0,0,0,.95),inset 0 1px 0 rgba(199,210,206,.05);
  transition:padding .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.site-header[data-scrolled="true"] .header-shell{
  padding-block:5px;
  border-color:rgba(47,230,200,.28);
  background:linear-gradient(180deg,rgba(12,31,25,.97),rgba(7,19,15,.93));
}

.brand{display:flex;flex:0 1 auto;align-items:baseline;gap:10px;min-width:0;padding:6px 4px}
.brand-mark{
  display:inline-flex;align-items:center;
  font-family:var(--font-head);font-weight:800;font-size:clamp(16px,1.6vw,19px);
  letter-spacing:-.02em;color:var(--text-strong);white-space:nowrap;
}
.brand-mark::before{
  content:"";width:8px;height:8px;margin-right:8px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(47,230,200,.14);
}
.brand-tagline{font-size:12.5px;color:var(--mist);letter-spacing:.02em;white-space:nowrap}

.nav-capsule{display:flex;flex:1 1 auto;justify-content:center;min-width:0}
.nav-list{
  display:flex;align-items:center;gap:2px;padding:4px;
  border:1px solid var(--line-soft);border-radius:var(--radius-pill);
  background:rgba(7,19,15,.55);
}
.nav-link{
  display:block;padding:8px 14px;border-radius:var(--radius-pill);
  color:var(--silver);font-size:14.5px;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-strong);background:rgba(47,230,200,.12)}
.nav-link[aria-current="page"]{
  color:var(--ink-900);
  background:linear-gradient(180deg,var(--cyan),#22C7AE);
  box-shadow:0 8px 20px -12px rgba(47,230,200,.95);
}
.header-actions{display:flex;flex:0 0 auto;align-items:center;gap:8px;margin-left:auto}
.header-cta{flex:0 0 auto;white-space:nowrap}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:rgba(7,19,15,.6);cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle-bars{
  position:relative;display:block;width:18px;height:2px;
  border-radius:2px;background:var(--silver);
  transition:background .2s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  border-radius:2px;background:var(--silver);
  transition:transform .25s var(--ease),top .25s var(--ease),background .2s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.site-header[data-open="true"] .nav-toggle{border-color:var(--cyan)}
.site-header[data-open="true"] .nav-toggle-bars{background:transparent}
.site-header[data-open="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg);background:var(--cyan)}
.site-header[data-open="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg);background:var(--cyan)}

@media (max-width:1280px){
  .brand-tagline{display:none}
}
@media (max-width:1120px){
  .nav-link{padding:8px 11px;font-size:13.5px}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .header-shell{padding-right:8px}
  .nav-capsule{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:block;margin:0;padding:10px;
    border:1px solid var(--line);border-radius:22px;
    background:linear-gradient(180deg,rgba(16,37,30,.99),rgba(7,19,15,.99));
    box-shadow:0 34px 60px -34px rgba(0,0,0,.98);
    opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  .site-header[data-open="true"] .nav-capsule{
    opacity:1;visibility:visible;transform:none;pointer-events:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:0;border:0;background:none}
  .nav-list > li + li{border-top:1px solid var(--line-soft)}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:15px}
  .nav-link[aria-current="page"]{box-shadow:none}
}
@media (max-width:640px){
  .header-cta{padding:8px 12px;font-size:12.5px}
  .header-shell{padding-left:14px}
}

/* ---------- 11. footer ---------- */
.site-footer{
  margin-top:clamp(64px,10vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,37,30,.55),rgba(7,19,15,.96));
}
.footer-shell{
  width:min(100% - var(--gutter) * 2,var(--shell));
  margin-inline:auto;
  padding-block:clamp(40px,6vw,72px) clamp(24px,3vw,36px);
}
.footer-top{
  display:grid;gap:clamp(28px,4vw,48px);
  grid-template-columns:minmax(0,1fr);
}
@media (min-width:900px){
  .footer-top{grid-template-columns:minmax(0,1.1fr) minmax(0,1.9fr)}
}
.footer-brand{display:grid;gap:8px;align-content:start}
.footer-brand-mark{
  display:inline-flex;align-items:center;
  font-family:var(--font-head);font-weight:800;font-size:19px;
  letter-spacing:-.02em;color:var(--text-strong);
}
.footer-brand-mark::before{
  content:"";width:8px;height:8px;margin-right:8px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(47,230,200,.14);
}
.footer-brand-tagline{font-size:14px;color:var(--mist)}
.footer-brand-meta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--mist);
  padding-top:10px;border-top:1px solid var(--line-soft);
}
.footer-sitemap{display:grid;gap:clamp(18px,3vw,32px);grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.footer-col{display:grid;gap:12px;align-content:start}
.footer-group-title{
  display:flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.14em;color:var(--mist);
}
.footer-group-title::before{content:"";width:14px;height:1px;background:var(--cyan);opacity:.7}
.footer-links{display:grid;gap:10px}
.footer-link{font-size:14.5px;color:var(--silver);transition:color .2s var(--ease)}
.footer-link:hover{color:var(--cyan)}

.footer-contact{
  margin-top:clamp(28px,4vw,48px);padding-top:clamp(20px,3vw,32px);
  border-top:1px solid var(--line);
}
.footer-contact-list{display:grid;gap:10px;margin-top:16px}
.footer-contact-item{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;
  padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:linear-gradient(180deg,rgba(16,37,30,.6),rgba(7,19,15,.45));
}
.footer-contact-label{flex:0 0 auto;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mist)}
.footer-contact-value{flex:1 1 auto;font-family:var(--font-mono);font-size:13.5px;color:var(--silver);word-break:break-all}
.footer-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--mist);max-width:64ch}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;margin-top:clamp(24px,3vw,36px);padding-top:20px;
  border-top:1px solid var(--line);
}
.footer-legal{font-family:var(--font-mono);font-size:12.5px;color:var(--mist);letter-spacing:.04em}
.footer-copy{font-family:var(--font-mono);font-size:12.5px;color:var(--mist);letter-spacing:.04em}

/* ---------- 12. motion utilities ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;z-index:90;width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--ice),var(--orange));
  pointer-events:none;
}
[data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}
[data-reveal="2"]{transition-delay:.08s}
[data-reveal="3"]{transition-delay:.16s}
[data-reveal="4"]{transition-delay:.24s}
.to-top{
  position:fixed;right:clamp(16px,3vw,32px);bottom:clamp(16px,3vw,32px);z-index:60;
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:rgba(7,19,15,.9);color:var(--silver);cursor:pointer;
  font-family:var(--font-mono);font-size:13px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  backdrop-filter:blur(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--cyan);border-color:var(--cyan)}

/* ---------- 13. a11y ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .sparkline-path{stroke-dashoffset:0}
  .to-top{transform:none}
}