/* =====================================================
   Ilse Enter: Train Traffic Controller Portfolio
   Design system + motion
   ===================================================== */

:root{
  --bg:        #070b14;
  --bg-2:      #0a0f1c;
  --surface:   #0e1422;
  --surface-2: #131b2c;
  --line:      rgba(120,150,210,0.14);
  --line-2:    rgba(120,150,210,0.26);

  --ink:       #eef2fb;
  --ink-soft:  #aab4ca;
  --ink-mute:  #6c7891;

  --gold:      #f5b94a;
  --gold-deep: #d99a2b;
  --green:     #34e6a8;
  --red:       #ff5167;
  --blue:      #5b8cff;

  --glow-gold: 0 0 40px rgba(245,185,74,.35);
  --glow-blue: 0 0 50px rgba(91,140,255,.30);

  --serif: 'Sora', system-ui, sans-serif;
  --sans:  'Inter', system-ui, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, monospace;

  --ease:   cubic-bezier(.16,1,.3,1);
  --ease-2: cubic-bezier(.7,0,.2,1);

  --maxw: 1180px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(91,140,255,.10), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(245,185,74,.07), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  cursor:none;
}
@media (hover:none){ body{ cursor:auto; } }

a{ color:inherit; text-decoration:none; }
em{ font-style:normal; color:var(--gold); }
.grad{
  background:linear-gradient(100deg,var(--gold) 10%,#ffe6ad 45%,var(--gold-deep) 90%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ---------- texture overlays ---------- */
.grid-overlay{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  opacity:.5;
}
.noise-overlay{
  position:fixed; inset:0; z-index:2; pointer-events:none; opacity:.04; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =====================================================
   PRELOADER
   ===================================================== */
.preloader{
  position:fixed; inset:0; z-index:1000;
  background:var(--bg);
  display:grid; place-items:center;
  transition:opacity .7s var(--ease), visibility .7s;
}
.preloader.is-done{ opacity:0; visibility:hidden; }
.preloader__inner{ display:flex; flex-direction:column; align-items:center; gap:28px; }
.preloader__signal{
  display:flex; flex-direction:column; gap:10px; padding:14px;
  border:1px solid var(--line-2); border-radius:40px; background:var(--surface);
  box-shadow:inset 0 0 30px rgba(0,0,0,.6);
}
.lamp{ width:22px; height:22px; border-radius:50%; background:#1a2233; transition:all .4s var(--ease); }
.lamp.on.lamp--red{   background:var(--red);   box-shadow:0 0 18px var(--red); }
.lamp.on.lamp--amber{ background:var(--gold);  box-shadow:0 0 18px var(--gold); }
.lamp.on.lamp--green{ background:var(--green); box-shadow:0 0 18px var(--green); }
.preloader__text{ display:flex; flex-direction:column; align-items:center; gap:12px; }
.preloader__label{ font-family:var(--mono); font-size:11px; letter-spacing:.34em; color:var(--ink-mute); }
.preloader__bar{ width:200px; height:2px; background:var(--line-2); border-radius:2px; overflow:hidden; }
.preloader__bar i{ display:block; width:0%; height:100%; background:linear-gradient(90deg,var(--blue),var(--gold)); }

/* =====================================================
   CURSOR
   ===================================================== */
.cursor, .cursor-ring{ position:fixed; top:0; left:0; z-index:999; pointer-events:none; border-radius:50%; will-change:transform; }
.cursor{ width:7px; height:7px; background:var(--gold); transform:translate(-50%,-50%); }
.cursor-ring{
  width:38px; height:38px; border:1px solid rgba(245,185,74,.55);
  transform:translate(-50%,-50%); transition:width .25s var(--ease), height .25s var(--ease), border-color .25s, background .25s;
}
.cursor-ring.is-hover{ width:60px; height:60px; border-color:rgba(91,140,255,.6); background:rgba(91,140,255,.06); }
.cursor-ring.is-down{ width:30px; height:30px; }
@media (hover:none){ .cursor,.cursor-ring{ display:none; } }

/* =====================================================
   SCROLL RAIL
   ===================================================== */
.scroll-rail{
  position:fixed; top:0; left:0; right:0; height:2px; z-index:120;
  background:linear-gradient(90deg, var(--line-2), transparent);
}
.scroll-rail i{
  position:absolute; top:-3px; left:0; width:8px; height:8px; border-radius:50%;
  background:var(--gold); box-shadow:var(--glow-gold); transform:translateX(-50%);
}

/* =====================================================
   NAV
   ===================================================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:grid; grid-template-columns:1fr auto 1fr; align-items:center;
  padding:20px clamp(20px,4vw,52px);
  transition:padding .4s var(--ease), background .4s, border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  padding-top:14px; padding-bottom:14px;
  background:rgba(7,11,20,.72); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__brand{ display:flex; align-items:center; gap:11px; justify-self:start; }
.nav__logo{ color:var(--gold); display:grid; place-items:center; }
.nav__name{ font-family:var(--serif); font-weight:700; letter-spacing:.18em; font-size:14px; }
.nav__links{ display:flex; gap:30px; justify-self:center; }
.nav__links a{
  font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-soft); position:relative; padding:4px 0;
}
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px; background:var(--gold); transition:width .35s var(--ease);
}
.nav__links a:hover{ color:var(--ink); }
.nav__links a:hover::after{ width:100%; }
.nav__status{ display:flex; align-items:center; gap:9px; justify-self:end; font-family:var(--mono); font-size:12px; color:var(--ink-soft); }
.nav__dot{ width:8px; height:8px; border-radius:50%; background:var(--green); box-shadow:0 0 10px var(--green); animation:pulse 2s var(--ease) infinite; }
@keyframes pulse{ 0%,100%{ opacity:1 } 50%{ opacity:.35 } }

/* =====================================================
   LAYOUT HELPERS
   ===================================================== */
.section{ position:relative; z-index:3; padding:clamp(80px,12vh,150px) clamp(20px,5vw,60px); max-width:var(--maxw); margin:0 auto; }
.section__head{ max-width:680px; margin-bottom:56px; }
.section__index{ font-family:var(--mono); font-size:12px; letter-spacing:.28em; color:var(--gold); text-transform:uppercase; }
.section__title{ font-family:var(--serif); font-weight:700; font-size:clamp(34px,6vw,64px); line-height:1.02; letter-spacing:-.02em; margin:14px 0 18px; }
.section__sub{ color:var(--ink-soft); font-size:clamp(15px,1.6vw,18px); max-width:560px; }

/* =====================================================
   REVEAL
   ===================================================== */
[data-reveal]{ opacity:0; transform:translateY(34px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].is-in{ opacity:1; transform:none; }
.section__head [data-reveal]{ transition-delay:.05s; }

/* =====================================================
   HERO
   ===================================================== */
.hero{ position:relative; min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; overflow:hidden; padding:120px clamp(20px,6vw,90px) 80px; z-index:3; }
.hero__net{ position:absolute; inset:0; width:100%; height:100%; z-index:0; }
.hero__net .rail{ stroke-dasharray:6 10; animation:dash 22s linear infinite; }
.hero__net .rail:nth-child(2){ animation-duration:28s; }
.hero__net .rail:nth-child(3){ animation-duration:34s; }
.hero__net .rail:nth-child(4){ animation-duration:26s; }
@keyframes dash{ to{ stroke-dashoffset:-320; } }
.hero__nodes circle{ animation:nodeGlow 4s var(--ease) infinite; }
.hero__nodes circle:nth-child(2n){ animation-delay:1.2s; }
.hero__nodes circle:nth-child(3n){ animation-delay:2.1s; }
@keyframes nodeGlow{ 0%,100%{ opacity:.5 } 50%{ opacity:1; filter:drop-shadow(0 0 6px var(--blue)); } }

.hero__trainlayer{ pointer-events:none; }
.hero-train{ fill:#ffe6ad; filter:drop-shadow(0 0 4px var(--gold)) drop-shadow(0 0 9px rgba(245,185,74,.55)); }
.hero-train.blue{ fill:#dbe7ff; filter:drop-shadow(0 0 4px var(--blue)) drop-shadow(0 0 9px rgba(91,140,255,.55)); }

.hero__aurora{
  position:absolute; z-index:0; width:60vw; height:60vw; right:-10vw; top:-10vw; border-radius:50%;
  background:radial-gradient(circle, rgba(91,140,255,.18), transparent 60%);
  filter:blur(30px); animation:float 16s ease-in-out infinite;
}
@keyframes float{ 0%,100%{ transform:translate(0,0) } 50%{ transform:translate(-30px,30px) } }

.hero__content{ position:relative; z-index:2; max-width:820px; margin:0 auto; will-change:transform; }
.hero__eyebrow{ display:inline-flex; align-items:center; gap:10px; font-family:var(--mono); font-size:12px; letter-spacing:.26em; color:var(--ink-soft); text-transform:uppercase; margin-bottom:26px; }
.hero__eyebrow-dot{ width:8px; height:8px; border-radius:50%; background:var(--gold); box-shadow:var(--glow-gold); animation:pulse 2.4s infinite; }
.hero__title{ font-family:var(--serif); font-weight:800; font-size:clamp(58px,13vw,156px); line-height:.92; letter-spacing:-.04em; margin-bottom:18px; }
.hero__title .line{ display:block; overflow:hidden; }
.hero__title .line > span{ display:block; transform:translateY(110%); transition:transform 1.1s var(--ease); }
.hero__title .line.is-in > span{ transform:none; }
.hero__role{ font-family:var(--serif); font-weight:300; font-size:clamp(18px,2.6vw,30px); color:var(--ink); letter-spacing:.01em; margin-bottom:22px; }
.hero__lede{ max-width:560px; margin:0 auto 38px; color:var(--ink-soft); font-size:clamp(15px,1.7vw,18px); }

.hero__cta{ display:flex; flex-wrap:wrap; justify-content:center; gap:16px; margin-bottom:54px; }
.btn{
  display:inline-flex; align-items:center; gap:10px; padding:15px 26px; border-radius:50px;
  font-family:var(--mono); font-size:13px; letter-spacing:.1em; text-transform:uppercase;
  position:relative; transition:transform .3s var(--ease), box-shadow .3s, background .3s, color .3s; overflow:hidden;
}
.btn svg{ transition:transform .3s var(--ease); }
.btn:hover svg{ transform:translateX(4px); }
.btn--primary{ background:linear-gradient(100deg,var(--gold),var(--gold-deep)); color:#1a1206; font-weight:600; box-shadow:var(--glow-gold); }
.btn--primary:hover{ box-shadow:0 0 60px rgba(245,185,74,.55); }
.btn--ghost{ border:1px solid var(--line-2); color:var(--ink); background:rgba(255,255,255,.02); }
.btn--ghost:hover{ border-color:var(--gold); color:var(--gold); }

.hero__metrics{ display:flex; align-items:center; justify-content:center; gap:clamp(16px,3vw,40px); flex-wrap:wrap; }
.metric{ display:flex; align-items:baseline; justify-content:center; gap:8px; flex-wrap:wrap; }
.metric__num{ font-family:var(--serif); font-weight:700; font-size:clamp(30px,4vw,46px); line-height:1; color:var(--ink); }
.metric__unit{ font-family:var(--mono); font-size:14px; color:var(--gold); }
.metric__label{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-mute); width:100%; }
.metric__div{ width:1px; height:42px; background:var(--line-2); }

.hero__scroll{ position:absolute; bottom:30px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:10px; z-index:2; }
.hero__scroll span{ font-family:var(--mono); font-size:10px; letter-spacing:.3em; text-transform:uppercase; color:var(--ink-mute); }
.hero__scroll i{ width:1px; height:46px; background:linear-gradient(var(--gold), transparent); position:relative; overflow:hidden; }
.hero__scroll i::after{ content:''; position:absolute; top:0; left:0; width:100%; height:14px; background:var(--gold); animation:scrolldot 2s var(--ease) infinite; }
@keyframes scrolldot{ 0%{ transform:translateY(-14px) } 100%{ transform:translateY(46px) } }

/* =====================================================
   TICKER
   ===================================================== */
.ticker{ position:relative; z-index:3; border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:rgba(245,185,74,.04); overflow:hidden; padding:14px 0; }
.ticker__track{ display:flex; white-space:nowrap; width:max-content; animation:marquee 28s linear infinite; }
.ticker__track span{ font-family:var(--mono); font-size:13px; letter-spacing:.18em; color:var(--gold); text-transform:uppercase; margin-right:60px; }
@keyframes marquee{ to{ transform:translateX(-50%); } }

/* =====================================================
   DEPARTURE BOARD
   ===================================================== */
.board__frame{
  border:1px solid var(--line-2); border-radius:18px; overflow:hidden;
  background:linear-gradient(180deg,#070a12,#0b0f1a);
  box-shadow:0 40px 120px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,255,255,.02);
}
.board__bar{ display:flex; align-items:center; justify-content:space-between; padding:14px 22px; background:rgba(245,185,74,.06); border-bottom:1px solid var(--line); }
.board__bar-title{ font-family:var(--mono); font-size:12px; letter-spacing:.22em; color:var(--gold); }
.board__bar-clock{ font-family:var(--mono); font-size:14px; color:var(--ink); letter-spacing:.1em; }
.board__head, .board__row{
  display:grid; grid-template-columns:128px 1fr 56px 120px; gap:16px; align-items:center;
  padding:14px 22px;
}
.board__head{ border-bottom:1px solid var(--line); }
.board__head span{ font-family:var(--mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-mute); }
/* line the headers up with the row content beneath them */
.board__head span:nth-child(2){ padding-left:39px; }          /* over the destination, past the IC/SPR tag */
.board__head span:nth-child(3){ text-align:center; }          /* over the platform number */
.board__head span:nth-child(4),
.board__row > span:nth-child(4){ text-align:right; }          /* status hugs the right edge */
.board__rows{ list-style:none; }
.board__row{ border-bottom:1px solid rgba(120,150,210,.07); transition:background .3s; }
.board__row:last-child{ border-bottom:none; }
.board__row:hover{ background:rgba(91,140,255,.05); }

/* split-flap cell */
.flap{ display:inline-flex; gap:3px; }
.flap__cell{
  display:inline-grid; place-items:center; min-width:22px; height:34px; padding:0 2px;
  background:#11151f; border-radius:4px; color:#ffe6ad;
  font-family:var(--mono); font-weight:600; font-size:18px; line-height:1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), inset 0 -10px 12px rgba(0,0,0,.6);
  position:relative; overflow:hidden;
}
.flap__cell::after{ content:''; position:absolute; left:0; right:0; top:50%; height:1px; background:rgba(0,0,0,.6); }
.flap__cell.flip{ animation:flip .12s var(--ease-2); }
@keyframes flip{ 0%{ transform:rotateX(0); filter:brightness(1.4) } 100%{ transform:rotateX(0); filter:brightness(1) } }

.board__time .flap__cell{ color:#cfe0ff; }
.board__pf{ font-family:var(--mono); font-weight:600; color:var(--ink); text-align:center; }
.board__dest{ display:flex; align-items:center; gap:9px; min-width:0; }
.board__cat{ flex:none; width:30px; font-family:var(--mono); font-size:10px; letter-spacing:.06em; color:var(--ink-mute); text-align:center; }
.board__cat[data-cat="IC"], .board__cat[data-cat="ICD"]{ color:var(--blue); }
.board__cat[data-cat="SPR"]{ color:var(--ink-soft); }

.status{ display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:12px; letter-spacing:.12em; }
.status::before{ content:''; width:8px; height:8px; border-radius:50%; }
.status--track{ color:var(--green); } .status--track::before{ background:var(--green); box-shadow:0 0 8px var(--green); }
.status--board{ color:var(--gold); } .status--board::before{ background:var(--gold); box-shadow:0 0 8px var(--gold); animation:pulse 1.2s infinite; }
.status--sched{ color:var(--blue); } .status--sched::before{ background:var(--blue); box-shadow:0 0 8px var(--blue); }
.status--planned{ color:var(--ink-mute); } .status--planned::before{ background:var(--ink-mute); }
/* live departure statuses */
.status--ontime{ color:var(--green); } .status--ontime::before{ background:var(--green); box-shadow:0 0 8px var(--green); }
.status--delayed{ color:var(--gold); } .status--delayed::before{ background:var(--gold); box-shadow:0 0 8px var(--gold); animation:pulse 1.2s infinite; }
.status--cancelled{ color:var(--red); } .status--cancelled::before{ background:var(--red); box-shadow:0 0 8px var(--red); }

/* board mode toggle + badge */
.board__toggle{ display:inline-flex; flex-wrap:wrap; gap:4px; margin-top:24px; max-width:100%; padding:4px; border:1px solid var(--line); border-radius:40px; background:var(--bg-2); }
.board__tab{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); padding:9px 18px; border-radius:30px; transition:color .3s var(--ease), background .3s var(--ease); }
.board__tab:hover:not(.is-active){ color:var(--ink); }
.board__tab.is-active{ background:linear-gradient(100deg,var(--gold),var(--gold-deep)); color:#1a1206; font-weight:600; }
.board__bar-meta{ display:flex; align-items:center; gap:16px; }
.board__badge{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; color:var(--gold); }

/* =====================================================
   ABOUT
   ===================================================== */
.about__grid{ display:grid; grid-template-columns:1.3fr .9fr; gap:clamp(30px,5vw,70px); align-items:center; }
.about__text{ color:var(--ink-soft); font-size:17px; margin-bottom:20px; max-width:56ch; }
.about__signoff{ margin-top:34px; display:flex; flex-direction:column; gap:8px; }
.about__sig{ width:200px; height:60px; color:var(--gold); }
.about__sig path{ stroke-dasharray:600; stroke-dashoffset:600; }
.is-in .about__sig path{ animation:draw 2.4s var(--ease) forwards .3s; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
.about__signoff > span{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; color:var(--ink-mute); text-transform:uppercase; }

.idcard{
  position:relative; border:1px solid var(--line-2); border-radius:18px; padding:24px;
  background:
    linear-gradient(rgba(120,150,210,.05) 1px, transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg, rgba(120,150,210,.05) 1px, transparent 1px) 0 0/24px 24px,
    radial-gradient(130% 90% at 82% 0%, rgba(91,140,255,.12), transparent 60%),
    linear-gradient(160deg,var(--surface-2),var(--surface));
  box-shadow:0 30px 80px rgba(0,0,0,.5); transform-style:preserve-3d; transition:transform .2s var(--ease-2);
  overflow:hidden;
}
.idcard__bg{ position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.5; pointer-events:none; }
.idcard__bg .r{ fill:none; stroke:rgba(91,140,255,.4); stroke-width:1; }
.idcard__bg .n{ fill:var(--surface); stroke:rgba(91,140,255,.6); stroke-width:1; }
.idcard__top, .idcard__body, .idcard__foot{ position:relative; z-index:1; }
.idcard::before{ content:''; position:absolute; inset:0; z-index:2; background:linear-gradient(120deg, transparent 40%, rgba(245,185,74,.10) 50%, transparent 60%); transform:translateX(-100%); transition:transform .8s var(--ease); }
.idcard:hover::before{ transform:translateX(100%); }
.idcard__top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:26px; }
.idcard__org{ font-family:var(--mono); font-size:10px; letter-spacing:.18em; color:var(--ink-mute); }
.idcard__body{ display:flex; align-items:center; gap:18px; margin-bottom:24px; }
.idcard__avatar{
  width:64px; height:64px; border-radius:14px; display:grid; place-items:center;
  font-family:var(--serif); font-weight:700; font-size:22px; color:#1a1206;
  background:linear-gradient(135deg,var(--gold),#ffe6ad); box-shadow:var(--glow-gold);
}
.idcard__meta{ display:flex; flex-direction:column; gap:4px; }
.idcard__name{ font-family:var(--serif); font-weight:600; font-size:20px; }
.idcard__role{ font-size:13px; color:var(--ink-soft); }
.idcard__id{ font-family:var(--mono); font-size:11px; letter-spacing:.12em; color:var(--gold); margin-top:4px; }
.idcard__foot{ display:flex; align-items:center; justify-content:space-between; border-top:1px solid var(--line); padding-top:14px; }
.idcard__foot span{ font-family:var(--mono); font-size:10px; letter-spacing:.16em; color:var(--ink-mute); }
.idcard__foot strong{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; color:var(--green); }

/* =====================================================
   CONTROL PANEL
   ===================================================== */
.control__panel{
  border:1px solid var(--line-2); border-radius:20px; padding:clamp(20px,3vw,34px);
  background:linear-gradient(180deg,var(--surface),var(--bg-2)); box-shadow:0 40px 110px rgba(0,0,0,.5);
}
.control__signals{ display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:16px; margin-bottom:28px; }
.signal{
  position:relative; display:flex; flex-direction:column; border:1px solid var(--line); border-radius:14px; padding:20px;
  background:var(--bg-2); color:var(--ink); cursor:none; transition:border-color .3s, transform .3s var(--ease), background .3s;
  overflow:hidden; text-align:left;
}
.signal:hover{ transform:translateY(-4px); border-color:var(--line-2); }
.signal.on{ border-color:rgba(52,230,168,.4); background:rgba(52,230,168,.04); }
.signal__head{ display:flex; align-items:flex-start; justify-content:space-between; gap:10px; margin-bottom:14px; }
.signal__name{ font-family:var(--serif); font-weight:600; font-size:16px; line-height:1.25; min-height:2.5em; color:var(--ink); }
.signal__lamp{ flex:none; width:14px; height:14px; margin-top:3px; border-radius:50%; background:#2a3346; transition:all .35s var(--ease); }
.signal.on .signal__lamp{ background:var(--green); box-shadow:0 0 14px var(--green); }
.signal__desc{ font-size:13px; color:var(--ink-soft); margin-bottom:16px; min-height:38px; }
.signal__meter{ height:4px; margin-top:auto; border-radius:3px; background:var(--surface-2); overflow:hidden; }
.signal__meter i{ display:block; height:100%; width:0%; background:linear-gradient(90deg,var(--blue),var(--green)); transition:width 1s var(--ease); }
.signal__pct{ font-family:var(--mono); font-size:11px; color:var(--ink-mute); margin-top:8px; display:block; letter-spacing:.16em; transition:color .35s; }
.signal.on .signal__pct{ color:var(--green); }

.control__readout{ border-top:1px solid var(--line); padding-top:24px; display:flex; flex-direction:column; gap:16px; }
.readout__row{ display:grid; grid-template-columns:140px 1fr 56px; gap:16px; align-items:center; }
.readout__key{ font-family:var(--mono); font-size:11px; letter-spacing:.18em; color:var(--ink-mute); }
.readout__bar{ height:6px; border-radius:4px; background:var(--surface-2); overflow:hidden; }
.readout__bar i{ display:block; height:100%; width:0%; background:linear-gradient(90deg,var(--gold),var(--green)); transition:width .8s var(--ease); }
.readout__val{ font-family:var(--mono); font-size:13px; color:var(--ink); text-align:right; }
.readout__status{ font-family:var(--mono); font-size:13px; letter-spacing:.2em; color:var(--green); text-align:center; padding:12px; border:1px dashed rgba(52,230,168,.3); border-radius:10px; }

/* =====================================================
   TIMELINE
   ===================================================== */
.timeline{ position:relative; padding-left:clamp(30px,6vw,80px); }
.timeline__rail{ position:absolute; left:clamp(8px,3vw,40px); top:8px; bottom:8px; width:2px; background:var(--line-2); border-radius:2px; overflow:hidden; }
.timeline__rail i{ position:absolute; left:0; top:0; width:100%; height:0%; background:linear-gradient(var(--gold),var(--green)); box-shadow:var(--glow-gold); }
.station{ position:relative; padding:0 0 56px 36px; }
.station:last-child{ padding-bottom:0; }
.station__dot{
  position:absolute; left:calc(-1 * clamp(30px,6vw,80px) + clamp(8px,3vw,40px) - 6px); top:4px;
  width:14px; height:14px; border-radius:50%; background:var(--bg); border:2px solid var(--gold); z-index:2;
}
.station__dot--live{ background:var(--green); border-color:var(--green); box-shadow:0 0 0 0 rgba(52,230,168,.6); animation:ping 2s var(--ease) infinite; }
@keyframes ping{ 0%{ box-shadow:0 0 0 0 rgba(52,230,168,.6) } 100%{ box-shadow:0 0 0 16px rgba(52,230,168,0) } }
.station__year{ font-family:var(--mono); font-size:13px; letter-spacing:.16em; color:var(--gold); }
.station__title{ font-family:var(--serif); font-weight:600; font-size:clamp(20px,2.4vw,26px); margin:6px 0 8px; }
.station__text{ color:var(--ink-soft); font-size:15px; max-width:54ch; }

/* =====================================================
   CONTACT + FOOTER
   ===================================================== */
.contact{ text-align:center; }
.contact__inner{ max-width:720px; margin:0 auto; }
.contact .section__sub{ margin:0 auto 38px; }
.contact__mail{
  display:inline-flex; align-items:center; gap:14px; padding:20px 34px; border-radius:60px;
  border:1px solid var(--line-2); font-family:var(--serif); font-weight:500; font-size:clamp(18px,3vw,30px);
  transition:border-color .3s, color .3s, transform .3s var(--ease); color:var(--ink);
}
.contact__mail:hover{ border-color:var(--gold); color:var(--gold); }
.contact__mail svg{ transition:transform .3s var(--ease); }
.contact__mail:hover svg{ transform:translateX(5px); }
.contact__links{ display:flex; gap:14px; justify-content:center; align-items:center; margin-top:30px; font-family:var(--mono); font-size:13px; color:var(--ink-mute); }
.contact__links a{ color:var(--ink-soft); transition:color .3s; }
.contact__links a:hover{ color:var(--gold); }

.footer{
  position:relative; z-index:3; display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between;
  padding:34px clamp(20px,5vw,60px); border-top:1px solid var(--line);
  font-family:var(--mono); font-size:12px; letter-spacing:.1em; color:var(--ink-mute); max-width:var(--maxw); margin:0 auto;
}

/* =====================================================
   LAB FEATURE (link to the playground)
   ===================================================== */
.lab-card{
  display:grid; grid-template-columns:1.05fr 1fr; border:1px solid var(--line-2); border-radius:20px; overflow:hidden;
  background:linear-gradient(160deg,var(--surface-2),var(--surface));
  box-shadow:0 30px 80px rgba(0,0,0,.45); transition:transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.lab-card:hover{ transform:translateY(-6px); border-color:var(--gold); box-shadow:0 44px 100px rgba(0,0,0,.55); }
.lab-card__art{ position:relative; min-height:300px; background:#06090f; border-right:1px solid var(--line); overflow:hidden; }
.lab-card__art canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; }
.lab-card__badge{ position:absolute; left:18px; bottom:18px; font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold); background:rgba(7,11,20,.55); border:1px solid var(--line-2); padding:7px 13px; border-radius:30px; backdrop-filter:blur(6px); }
.lab-card__body{ padding:clamp(26px,3.4vw,42px); display:flex; flex-direction:column; gap:12px; justify-content:center; }
.lab-card__tag{ font-family:var(--mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); }
.lab-card__title{ font-family:var(--serif); font-weight:700; font-size:clamp(24px,3vw,36px); letter-spacing:-.01em; }
.lab-card__desc{ color:var(--ink-soft); font-size:15px; max-width:48ch; }
.lab-card__cta{ font-family:var(--mono); font-size:13px; letter-spacing:.1em; text-transform:uppercase; color:var(--gold); display:inline-flex; align-items:center; gap:9px; margin-top:8px; }
.lab-card__cta svg{ transition:transform .3s var(--ease); }
.lab-card:hover .lab-card__cta svg{ transform:translateX(5px); }
@media (max-width:760px){
  .lab-card{ grid-template-columns:1fr; }
  .lab-card__art{ min-height:200px; border-right:none; border-bottom:1px solid var(--line); }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width:900px){
  .nav__links{ display:none; }
  .about__grid{ grid-template-columns:1fr; }
  .board__head, .board__row{ grid-template-columns:102px 1fr 40px 110px; gap:10px; padding:12px 16px; }
  .flap__cell{ min-width:17px; height:30px; font-size:15px; }
}
@media (max-width:560px){
  /* stack each departure: time on the left, destination on top, status and platform below */
  .board__head{ display:none; }
  .board__row{
    grid-template-columns:auto 1fr auto; grid-template-rows:auto auto;
    column-gap:12px; row-gap:3px; align-items:center; padding:12px 16px;
  }
  .board__time{ grid-column:1; grid-row:1 / span 2; align-self:center; }
  .board__dest{ grid-column:2 / span 2; grid-row:1; min-width:0; overflow:hidden; }
  .board__cat{ display:none; }
  .board__row > span:nth-child(4){ grid-column:2; grid-row:2; text-align:left; }
  .board__pf{
    display:block; grid-column:3; grid-row:2; align-self:center;
    font-family:var(--mono); font-weight:500; font-size:11px; color:var(--ink-mute);
    text-align:right; white-space:nowrap; letter-spacing:.06em;
  }
  .board__pf::before{ content:'TRK '; }
  .flap{ gap:2px; }
  .flap__cell{ min-width:12px; height:24px; font-size:12px; }
  /* stack the board's top bar so the title, LIVE badge and clock aren't cramped */
  .board__bar{ flex-wrap:wrap; row-gap:8px; padding:12px 16px; }
  .board__bar-title{ flex:1 1 100%; font-size:11px; letter-spacing:.1em; }
  .board__bar-meta{ flex:1 1 100%; justify-content:space-between; }
  .hero__metrics .metric__div{ display:none; }
}