/* ========== 1. Reset ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-space,112px) + 24px)}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse;width:100%}

/* ========== 2. Tokens ========== */
:root{
  --deep-sea:#0A2540;
  --midnight:#061726;
  --ink-deep:#04101B;
  --steel:#123A5C;
  --cyan:#00E5FF;
  --cyan-soft:#7CF3FF;
  --amber:#FF9F1C;
  --paper:#F6F1E6;
  --white:#FFFFFF;
  --gray:#A9B7C6;
  --line:rgba(169,183,198,.20);
  --line-soft:rgba(169,183,198,.12);
  --line-cyan:rgba(0,229,255,.28);
  --glass:rgba(6,23,38,.82);
  --font-sans:"Inter","Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shell:1240px;
  --gutter:clamp(16px,3.2vw,32px);
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --r-xl:40px;
  --r-pill:999px;
  --header-space:112px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-float:0 22px 48px -30px rgba(0,0,0,.95);
}
@media (max-width:1024px){:root{--header-space:98px}}
@media (max-width:640px){:root{--header-space:90px;--r-lg:22px;--r-xl:28px}}

/* ========== 3. Base ========== */
body{
  background:var(--deep-sea);
  color:var(--white);
  font-family:var(--font-sans);
  font-size:clamp(16px,.35vw + 15px,18px);
  line-height:1.75;
  font-weight:400;
  letter-spacing:.005em;
  padding-block-start:var(--header-space);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{line-height:1.1;letter-spacing:-.02em;font-weight:800;text-wrap:balance}
h1{font-size:clamp(56px,9vw,148px)}
h2{font-size:clamp(32px,4.2vw,64px)}
h3{font-size:clamp(22px,2.2vw,28px)}
h4{font-size:clamp(18px,1.5vw,22px)}
strong{font-weight:800}
::selection{background:var(--cyan);color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.band--paper :focus-visible,.on-paper :focus-visible{outline-color:var(--deep-sea)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.skip-link{
  position:fixed;inset-block-start:10px;inset-inline-start:50%;
  transform:translate(-50%,-180%);
  z-index:200;padding:12px 24px;border-radius:var(--r-pill);
  background:var(--cyan);color:var(--ink-deep);font-size:14px;font-weight:800;
  box-shadow:0 18px 40px -20px rgba(0,229,255,.9);
  transition:transform .22s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,0)}

/* ========== 4. Layout & typography helpers ========== */
.container{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:920px}
.section{position:relative;padding-block:clamp(56px,8vw,120px)}
.section--tight{padding-block:clamp(40px,5vw,72px)}
.section-head{display:grid;gap:16px;max-width:920px;margin-block-end:clamp(28px,4vw,56px)}
.section-title{font-size:clamp(30px,3.6vw,56px);font-weight:800}
.section-lede{color:var(--gray);font-size:clamp(16px,1.1vw,19px);line-height:1.75;max-width:56ch}
.section-num{
  display:inline-flex;align-items:center;gap:14px;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);
}
.section-num::after{content:"";width:64px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),rgba(0,229,255,0))}
.display{font-size:clamp(56px,9vw,148px);line-height:.94;letter-spacing:-.03em;font-weight:800}
.display .accent{color:var(--cyan)}
.display .warm{color:var(--amber)}
.prose{max-width:68ch;font-size:clamp(16px,.5vw + 15px,18px);line-height:1.75}
.prose p + p{margin-block-start:1.1em}
.prose h3{margin-block:1.6em .5em}
.prose ul{display:grid;gap:10px;margin-block:1em}
.prose li{position:relative;padding-inline-start:22px}
.prose li::before{content:"";position:absolute;inset-inline-start:0;inset-block-start:.72em;width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.prose a{color:var(--cyan-soft);border-block-end:1px solid var(--line-cyan)}
.prose a:hover{color:var(--cyan)}
.band{width:100%}
.band--paper{background:var(--paper);color:var(--deep-sea)}
.band--paper .section-lede,.band--paper .prose{color:#3B4C5E}
.band--paper .section-num{color:#0A6B7C}
.band--paper .section-num::after{background:linear-gradient(90deg,#0A6B7C,rgba(10,107,124,0))}
.band--paper .prose a{color:#0A5F70;border-block-end-color:rgba(10,95,112,.45)}
.band--steel{background:linear-gradient(180deg,rgba(18,58,92,.85),rgba(6,23,38,.4))}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.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}
@media (max-width:900px){
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 12}
}

/* ========== 5. Buttons / chips ========== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,color .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--amber);color:#1A0F00;box-shadow:0 16px 32px -20px rgba(255,159,28,.95)}
.btn--primary:hover{box-shadow:0 20px 38px -16px rgba(255,159,28,1)}
.btn--cyan{background:var(--cyan);color:var(--ink-deep);box-shadow:0 16px 32px -20px rgba(0,229,255,.9)}
.btn--ghost{background:rgba(0,229,255,.06);color:var(--cyan-soft);border-color:var(--line-cyan)}
.btn--ghost:hover{background:rgba(0,229,255,.14);border-color:var(--cyan);color:#fff}
.band--paper .btn--ghost{background:rgba(10,37,64,.06);color:var(--deep-sea);border-color:rgba(10,37,64,.24)}
.band--paper .btn--ghost:hover{background:rgba(10,37,64,.12);border-color:var(--deep-sea)}
.btn--sm{padding:10px 18px;font-size:13px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  color:var(--cyan-soft);background:rgba(0,229,255,.10);
  border:1px solid var(--line-cyan);
}
.chip--amber{background:var(--amber);color:#1A0F00;border-color:transparent}
.tag{
  display:inline-block;font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--gray);
  padding:4px 10px;border-radius:var(--r-sm);background:rgba(169,183,198,.12);
}
.band--paper .tag{background:rgba(10,37,64,.08);color:#3B4C5E}

/* ========== 6. Console panel ========== */
.console{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(18,58,92,.74),rgba(6,23,38,.92));
  padding:clamp(18px,2.4vw,28px);
  box-shadow:var(--shadow-float);
}
.console-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-block-end:14px;border-block-end:1px dashed var(--line);
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gray);
}
.console-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-block:12px;border-block-end:1px solid var(--line-soft);font-size:14px;
}
.console-row:last-child{border-block-end:0}
.console-key{color:var(--gray)}
.console-val{font-family:var(--font-mono);font-weight:700;color:var(--white);font-size:13.5px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,229,255,.15);flex:none}
.status-dot--amber{background:var(--amber);box-shadow:0 0 0 4px rgba(255,159,28,.18)}

/* ========== 7. Media frames ========== */
.media-frame{
  position:relative;overflow:hidden;isolation:isolate;
  border-radius:var(--r-lg);border:1px solid var(--line-cyan);
  aspect-ratio:16/9;
  background:
    radial-gradient(120% 120% at 12% 8%,rgba(0,229,255,.30),transparent 55%),
    radial-gradient(90% 90% at 88% 92%,rgba(255,159,28,.24),transparent 60%),
    linear-gradient(150deg,var(--steel),var(--midnight));
}
.media-frame::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:46px 46px;
}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 44%,rgba(0,229,255,.30) 50%,transparent 56%);
  mix-blend-mode:screen;opacity:.55;
}
.media-frame img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:4/5}
.media-grid{display:grid;gap:var(--gutter);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

/* ========== 8. Breadcrumb ========== */
.breadcrumb{font-size:13px;color:var(--gray)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.breadcrumb li + li::before{content:"/";color:rgba(169,183,198,.55);font-family:var(--font-mono)}
.breadcrumb a{color:var(--cyan-soft);border-block-end:1px solid transparent;transition:border-color .2s,color .2s}
.breadcrumb a:hover{color:var(--cyan);border-block-end-color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--white);font-weight:600}
.band--paper .breadcrumb{color:#4A5A6B}
.band--paper .breadcrumb a{color:#0A5F70}
.band--paper .breadcrumb [aria-current="page"]{color:var(--deep-sea)}

/* ========== 9. Header ========== */
.site-header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  padding-block:clamp(12px,1.6vw,20px);
  padding-inline:var(--gutter);
  pointer-events:none;
  transition:padding .28s var(--ease);
}
.site-header[data-scrolled]{padding-block:8px}
.header-shell{
  position:relative;width:100%;max-width:var(--shell);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  pointer-events:none;
}
.header-shell > *{pointer-events:auto}

.brand{
  display:inline-flex;align-items:center;gap:12px;
  padding:11px 22px 11px 12px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid rgba(0,229,255,.20);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-float);
  transition:padding .28s var(--ease),border-color .2s,background .2s;
}
.brand:hover{border-color:rgba(0,229,255,.6);background:rgba(6,23,38,.92)}
.site-header[data-scrolled] .brand{padding:7px 18px 7px 9px}
.brand-mark{
  position:relative;flex:none;width:36px;height:36px;border-radius:12px;
  background:conic-gradient(from 210deg,#00E5FF,#7CF3FF 35%,#FF9F1C 78%,#00E5FF);
  box-shadow:0 0 22px -4px rgba(0,229,255,.65);
  transition:width .28s var(--ease),height .28s var(--ease),border-radius .28s var(--ease);
}
.brand-mark::after{content:"";position:absolute;inset:5px;border-radius:7px;background:var(--midnight);z-index:0}
.brand-mark::before{
  content:"";position:absolute;inset-inline-start:16px;inset-block-start:6px;
  width:3px;height:24px;border-radius:2px;z-index:1;
  background:linear-gradient(180deg,var(--cyan),var(--amber));
  transform:rotate(28deg);
}
.site-header[data-scrolled] .brand-mark{width:30px;height:30px;border-radius:10px}
.site-header[data-scrolled] .brand-mark::before{inset-inline-start:13px;inset-block-start:5px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--white);white-space:nowrap}
.brand-sub{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-soft);opacity:.85;white-space:nowrap}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:11px 18px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid rgba(0,229,255,.28);
  color:var(--white);font-size:13px;font-weight:700;letter-spacing:.08em;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-float);
  transition:border-color .2s,color .2s;
}
.nav-toggle-bars{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:18px}
.nav-toggle-bars span{display:block;height:2px;width:100%;border-radius:2px;background:var(--cyan);transition:transform .24s var(--ease),opacity .2s}
.site-header[data-open] .nav-toggle{border-color:var(--amber);color:var(--amber)}
.site-header[data-open] .nav-toggle-bars span{background:var(--amber)}
.site-header[data-open] .nav-toggle-bars span:first-child{transform:translateY(3.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

.site-nav{
  display:flex;align-items:center;gap:6px;
  padding:7px 7px 7px 10px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid rgba(169,183,198,.18);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-float);
  transition:padding .28s var(--ease),border-color .2s;
}
.site-header[data-scrolled] .site-nav{padding:5px 5px 5px 8px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--gray);white-space:nowrap;
  transition:color .2s,background .2s,box-shadow .2s,padding .28s var(--ease);
}
.site-header[data-scrolled] .nav-link{padding-block:7px}
.nav-link:hover{color:var(--white);background:rgba(0,229,255,.12)}
.nav-link[aria-current="page"]{
  color:var(--cyan-soft);background:rgba(0,229,255,.12);
  box-shadow:inset 0 0 0 1px rgba(0,229,255,.8);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--amber);color:#1A0F00;
  font-size:14px;font-weight:800;letter-spacing:.01em;white-space:nowrap;
  box-shadow:0 12px 26px -16px rgba(255,159,28,.95);
  transition:transform .2s var(--ease),box-shadow .2s,filter .2s;
}
.nav-cta::after{content:"→";font-family:var(--font-mono);font-size:13px;transition:transform .2s var(--ease)}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 32px -14px rgba(255,159,28,1)}
.nav-cta:hover::after{transform:translateX(3px)}

@media (max-width:1180px){
  .nav-link{padding-inline:10px;font-size:13.5px}
  .nav-cta{padding:10px 14px;font-size:13.5px}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;inset-block-start:auto;inset-block-end:var(--gutter);
    inset-inline:var(--gutter);
    flex-direction:column;align-items:stretch;gap:8px;
    padding:14px;border-radius:26px;
    background:rgba(4,16,27,.97);
    border:1px solid rgba(0,229,255,.30);
    box-shadow:0 -24px 60px -22px rgba(0,0,0,.95);
    max-height:calc(100vh - 140px);overflow:auto;
    transform:translateY(calc(100% + 40px));
    opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .34s var(--ease),opacity .24s ease,visibility .24s linear;
  }
  .site-header[data-open] .site-nav{
    transform:none;opacity:1;visibility:visible;pointer-events:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:13px 16px;border-radius:16px;font-size:15px;background:rgba(255,255,255,.03)}
  .site-header[data-scrolled] .nav-link{padding-block:13px}
  .site-header[data-scrolled] .site-nav{padding:14px}
  .nav-link[aria-current="page"]{background:rgba(0,229,255,.14)}
  .nav-cta{justify-content:center;padding-block:14px;font-size:15px;margin-block-start:4px}
}
@media (max-width:560px){
  .brand{padding:9px 16px 9px 9px;gap:10px}
  .brand-sub{display:none}
  .brand-mark{width:32px;height:32px}
  .brand-mark::before{inset-inline-start:14px;inset-block-start:5px;height:22px}
  .nav-toggle{padding:10px 14px;font-size:12px}
}

/* ========== 10. Footer ========== */
.site-footer{
  position:relative;overflow:hidden;
  margin-block-start:clamp(64px,9vw,140px);
  color:var(--white);
  background:
    radial-gradient(120% 140% at 6% 0%,rgba(18,58,92,.9),transparent 62%),
    linear-gradient(180deg,#061726 0%,#04101B 100%);
  border-block-start:1px solid rgba(0,229,255,.16);
}
.site-footer::before{
  content:"";position:absolute;inset-block-start:0;inset-inline:0;height:2px;
  background:linear-gradient(90deg,rgba(0,229,255,0),var(--cyan) 18%,var(--amber) 82%,rgba(255,159,28,0));
}
.footer-shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.site-footer > .footer-shell{padding-block:clamp(48px,6vw,88px) clamp(32px,4vw,56px)}
.footer-grid{display:grid;grid-template-columns:1.5fr .85fr 1.3fr;gap:clamp(28px,4vw,72px);align-items:start}
.footer-col{min-width:0}
.footer-kicker{font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-block-end:18px}
.footer-brand-name{font-size:clamp(26px,2.6vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.02em;max-width:15ch}
.footer-tagline{margin-block-start:16px;color:var(--gray);font-size:15px;line-height:1.7;max-width:34ch}
.footer-meta{display:inline-flex;align-items:center;gap:10px;margin-block-start:22px;font-size:13px;color:var(--cyan-soft);font-weight:600}
.footer-heading{font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gray);margin-block-end:18px}
.footer-links{display:grid;gap:10px}
.footer-links a{
  display:inline-block;font-size:15px;color:#DCE6F0;
  border-block-end:1px solid transparent;
  transition:color .2s,border-color .2s;
}
.footer-links a:hover{color:var(--cyan);border-block-end-color:rgba(0,229,255,.6)}
.footer-contact{display:grid;gap:14px}
.footer-contact-item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:6px 12px;
  padding-block-end:12px;border-block-end:1px solid var(--line-soft);
}
.footer-label{font-size:12px;color:var(--gray);letter-spacing:.06em;min-width:56px}
.footer-value{font-size:14px;color:#EAF2FA;word-break:break-word;line-height:1.6}
.copy-btn{
  flex:none;padding:6px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(0,229,255,.32);color:var(--cyan-soft);
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  transition:background .2s,color .2s,border-color .2s;
}
.copy-btn:hover{background:rgba(0,229,255,.14);color:var(--white);border-color:var(--cyan)}
.copy-btn[data-copied]{background:var(--cyan);color:var(--ink-deep);border-color:var(--cyan)}
.footer-help{margin-block-start:20px;font-size:14px;color:var(--gray)}
.footer-inline-link{color:var(--cyan-soft);border-block-end:1px solid rgba(0,229,255,.45);transition:color .2s,border-color .2s}
.footer-inline-link:hover{color:var(--cyan);border-block-end-color:var(--cyan)}
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-block-start:clamp(32px,4vw,56px);padding-block-start:22px;
  border-block-start:1px solid var(--line-soft);
}
.legal-links{display:flex;flex-wrap:wrap;gap:8px 22px}
.legal-links a{font-size:13px;color:var(--gray);transition:color .2s}
.legal-links a:hover{color:var(--cyan)}
.footer-note{font-size:13px;color:#7F8FA0;max-width:none}
.footer-bottom{border-block-start:1px solid var(--line-soft);background:rgba(4,16,27,.6)}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;padding-block:18px;font-size:12.5px;color:#7F8FA0;
}
.footer-bottom-inner p{max-width:none}
.footer-bottom-inner .mono{font-size:12px;letter-spacing:.04em}
@media (max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col--brand{grid-column:1 / -1}
}
@media (max-width:620px){
  .footer-grid{grid-template-columns:1fr}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .footer-contact-item{grid-template-columns:1fr auto;align-items:start}
  .footer-label{grid-column:1 / -1}
}

/* ========== 11. Reveal & scroll progress ========== */
[data-reveal]{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease);transition-delay:var(--reveal-delay,0ms)}
html.js-ready [data-reveal]{opacity:0;transform:translateY(24px)}
html.js-ready [data-reveal].is-visible{opacity:1;transform:none}
.scroll-progress{
  position:fixed;inset-block:0;inset-inline-end:0;width:4px;z-index:90;
  background:rgba(255,255,255,.06);pointer-events:none;
}
.scroll-progress-bar{
  display:block;width:100%;height:100%;
  transform:scaleY(0);transform-origin:top center;
  background:linear-gradient(180deg,var(--cyan),var(--amber));
  box-shadow:0 0 14px rgba(0,229,255,.6);
}
@media (max-width:640px){.scroll-progress{width:3px}}

/* ========== 12. Reduced motion ========== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html.js-ready [data-reveal]{opacity:1;transform:none}
  .btn:hover,.nav-cta:hover{transform:none}
  .skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,0)}
}