:root{
  --bg:#F5F8FF;
  --surface:#FFFFFF;
  --grid-line:rgba(47,111,237,0.07);
  --grid-line-strong:rgba(47,111,237,0.14);
  --blue:#2F6FED;
  --blue-dim:rgba(47,111,237,0.35);
  --orange:#FF7A3D;
  --orange-dim:rgba(255,122,61,0.3);
  --ink:#12213D;
  --slate:#5B6B85;
  --slate-dim:#94A3C4;
  --ok:#17B978;

  --font-display:'Space Grotesk', sans-serif;
  --font-mono:'Inter', sans-serif;
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-mono);
  min-height:100%;
  overflow-x:hidden;
}

body{
  position:relative;
}

/* ---------- backdrop ---------- */

.blueprint-grid{
  position:fixed;
  inset:0;
  z-index:0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
  background-size:24px 24px, 24px 24px, 120px 120px, 120px 120px;
  background-position:center;
  pointer-events:none;
}

.blueprint-grid::after{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse at 15% 0%, rgba(47,111,237,0.10), transparent 55%),
             radial-gradient(ellipse at 85% 100%, rgba(255,122,61,0.10), transparent 55%);
}

/* ---------- layout ---------- */

.wrap{
  position:relative;
  z-index:2;
  max-width:1080px;
  margin:0 auto;
  padding:32px 24px 48px;
}

.statusbar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  background:var(--surface);
  border:1px solid var(--grid-line-strong);
  box-shadow:0 2px 10px rgba(18,33,61,0.05);
  border-radius:100px;
  width:fit-content;
  margin:0 auto 56px;
  font-size:11px;
  letter-spacing:0.1em;
  color:var(--slate);
  font-weight:500;
}

.dot{
  width:7px; height:7px;
  border-radius:50%;
  background:var(--orange);
  flex-shrink:0;
  animation:pulse 2s ease-out infinite;
}

@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(255,122,61,0.45); }
  70%{ box-shadow:0 0 0 8px rgba(255,122,61,0); }
  100%{ box-shadow:0 0 0 0 rgba(255,122,61,0); }
}

/* ---------- hero ---------- */

.hero{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
  margin-bottom:80px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:0.18em;
  color:var(--orange);
  margin:0 0 18px;
}

.headline{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(38px, 5.6vw, 60px);
  line-height:1.08;
  letter-spacing:-0.01em;
  margin:0 0 20px;
  color:var(--ink);
}

.headline__accent{
  color:var(--blue);
}

.lede{
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1.65;
  color:var(--slate);
  max-width:48ch;
  margin:0 0 40px;
}

/* progress */

.progress{
  margin-bottom:36px;
  max-width:420px;
}

.progress__labels{
  display:flex;
  justify-content:space-between;
  font-size:11px;
  font-weight:600;
  letter-spacing:0.06em;
  color:var(--slate);
  margin-bottom:8px;
}

#progressPercent{
  color:var(--blue);
  font-weight:700;
}

.progress__track{
  height:8px;
  border-radius:4px;
  background:var(--surface);
  border:1px solid var(--grid-line-strong);
  overflow:hidden;
}

.progress__fill{
  height:100%;
  width:0%;
  border-radius:4px;
  background:linear-gradient(90deg, var(--blue), var(--orange));
  transition:width 0.6s ease;
}

/* eta */

.eta{
  display:flex;
  align-items:baseline;
  gap:8px;
  position:relative;
}

.eta__item{
  display:flex;
  flex-direction:column;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--grid-line-strong);
  box-shadow:0 2px 8px rgba(18,33,61,0.05);
  border-radius:8px;
  padding:10px 14px;
  min-width:56px;
}

.eta__num{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}

.eta__unit{
  font-size:9px;
  font-weight:600;
  letter-spacing:0.08em;
  color:var(--slate-dim);
  margin-top:2px;
}

.eta__sep{
  color:var(--slate-dim);
  font-size:20px;
  transform:translateY(-6px);
}

.eta__caption{
  position:absolute;
  bottom:-24px;
  left:0;
  font-size:10px;
  font-weight:500;
  letter-spacing:0.06em;
  color:var(--slate-dim);
  white-space:nowrap;
  margin:0;
}

/* ---------- diagram ---------- */

.hero__diagram{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}

.rig{
  width:100%;
  max-width:360px;
  height:auto;
}

.rig__frame{
  fill:none;
  stroke:var(--grid-line-strong);
  stroke-width:1;
  stroke-dasharray:4 4;
}

.rig__tick{
  fill:none;
  stroke:var(--slate-dim);
  stroke-width:1.5;
}

.rig__body{
  fill:var(--surface);
  stroke:var(--blue);
  stroke-width:1.5;
  stroke-dasharray:600;
  stroke-dashoffset:600;
  animation:draw 2.4s ease forwards 0.2s;
}

.rig__line{
  stroke:var(--grid-line-strong);
  stroke-width:1;
}

.rig__led{
  fill:var(--slate-dim);
}
.rig__led--a{ animation:blink 2.4s ease-in-out infinite; }
.rig__led--b{ animation:blink 2.4s ease-in-out infinite 1.2s; }

@keyframes blink{
  0%, 100%{ fill:var(--slate-dim); }
  50%{ fill:var(--ok); }
}

.rig__gear{
  transform-origin:270px 200px;
  animation:spin 6s linear infinite;
}
.rig__gear--small{
  transform-origin:90px 150px;
  animation:spin-rev 4s linear infinite;
}

@keyframes spin{
  from{ transform:rotate(0deg); }
  to{ transform:rotate(360deg); }
}
@keyframes spin-rev{
  from{ transform:rotate(360deg); }
  to{ transform:rotate(0deg); }
}

.rig__gearBody, .rig__teeth rect, .rig__teeth--small rect{
  fill:var(--surface);
  stroke:var(--orange);
  stroke-width:1.2;
}

.rig__gearHub{
  fill:var(--bg);
  stroke:var(--orange);
  stroke-width:1.2;
}

.rig__wave{
  fill:none;
  stroke:var(--blue);
  stroke-width:1.5;
  opacity:0.8;
  stroke-dasharray:6 4;
  animation:flow 1.6s linear infinite;
}

@keyframes flow{
  to{ stroke-dashoffset:-20; }
}

.rig__annot{
  stroke:var(--slate-dim);
  stroke-width:1;
}

.rig__label{
  font-family:var(--font-mono);
  font-size:9px;
  font-weight:600;
  fill:var(--slate);
  letter-spacing:0.04em;
}

@keyframes draw{
  to{ stroke-dashoffset:0; }
}

.diagram__caption{
  font-size:10px;
  font-weight:600;
  letter-spacing:0.1em;
  color:var(--slate-dim);
  margin:0;
}

/* ---------- notice grid ---------- */

.notice-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--grid-line-strong);
  border:1px solid var(--grid-line-strong);
  border-radius:12px;
  overflow:hidden;
  margin-bottom:64px;
  box-shadow:0 4px 20px rgba(18,33,61,0.05);
}

.notice-card{
  background:var(--surface);
  padding:28px 26px 32px;
}

.notice-card__index{
  font-family:var(--font-display);
  font-size:12px;
  font-weight:700;
  color:var(--orange);
  letter-spacing:0.08em;
  margin:0 0 14px;
}

.notice-card__title{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  margin:0 0 10px;
}

.notice-card__body{
  font-size:13px;
  line-height:1.65;
  color:var(--slate);
  margin:0;
}

/* ---------- footer ---------- */

.footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
  padding-top:28px;
  border-top:1px dashed var(--grid-line-strong);
}

.footer__contact{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.footer__label{
  font-size:10px;
  font-weight:600;
  letter-spacing:0.1em;
  color:var(--slate-dim);
}

.footer__email{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid var(--blue-dim);
  width:fit-content;
  transition:border-color 0.2s ease, color 0.2s ease;
}

.footer__email:hover{
  color:var(--blue);
  border-color:var(--blue);
}

.footer__refresh{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:0.04em;
  color:#fff;
  background:linear-gradient(90deg, var(--blue), var(--orange));
  border:none;
  border-radius:8px;
  padding:12px 22px;
  cursor:pointer;
  transition:transform 0.15s ease, box-shadow 0.15s ease;
}

.footer__refresh:hover{
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(47,111,237,0.25);
}

.footer__refresh:focus-visible,
.footer__email:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

.footer__refresh.is-loading{
  opacity:0.7;
  cursor:progress;
}

/* ---------- responsive ---------- */

@media (max-width:860px){
  .hero{
    grid-template-columns:1fr;
    gap:40px;
  }
  .hero__diagram{ order:-1; }
  .rig{ max-width:280px; }
  .notice-grid{ grid-template-columns:1fr; }
  .eta__caption{ position:static; margin-top:10px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}