/* ============================================================
   THETA CONSULTING SERVICES — design system v2
   Premium dark. Glass surfaces, gold gradient accent, layered
   radial glow, engineered type. All pages inherit from here.
   ============================================================ */

:root {
  /* surfaces */
  --bg:       #070C15;                      /* page */
  --bg-2:     #0A1220;                      /* alt band */
  --glass:    rgba(255,255,255,.035);       /* card fill */
  --glass-2:  rgba(255,255,255,.06);        /* card hover */
  --line:     rgba(255,255,255,.09);
  --line-2:   rgba(255,255,255,.16);

  /* legacy aliases used across pages */
  --ink: var(--bg); --ink-2: #0D1726; --ink-3: var(--line);
  --paper: var(--bg); --paper-2: #0D1726;

  /* type */
  --text:     #EAF0F7;
  --text-dim: #93A0B4;
  --text-inv: #EAF0F7;
  --text-inv-dim: #93A0B4;

  /* accent — gold gradient */
  --gold-1: #F7C877;
  --gold-2: #E08A2E;
  --brass:  #F2B45C;
  --brass-d:#F2B45C;
  --grad:   linear-gradient(135deg, var(--gold-1), var(--gold-2));
  --glow:   0 0 60px rgba(242,180,92,.16);

  --maxw: 1160px;
  --gutter: clamp(20px, 5vw, 64px);
  --r: 18px;

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--f-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}
/* ambient glow field behind everything */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(52vw 44vh at 82% -6%,  rgba(242,180,92,.10), transparent 60%),
    radial-gradient(46vw 42vh at -8% 22%,  rgba(56,142,166,.11), transparent 60%),
    radial-gradient(60vw 50vh at 50% 118%, rgba(56,102,166,.08), transparent 60%);
}
/* fine grain */
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .022 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
code { font-family: var(--f-mono); font-size: .88em; color: var(--gold-1); background: rgba(242,180,92,.08); padding: .1em .4em; border-radius: 6px; }
::selection { background: rgba(242,180,92,.28); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1B2637; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #27354C; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 9vw, 132px); position: relative; }
.section--tight { padding-block: clamp(52px, 6vw, 84px); }
.dark { background: linear-gradient(180deg, var(--bg-2), rgba(10,18,32,.4)); border-block: 1px solid var(--line); }

.eyebrow {
  font-family: var(--f-mono); font-size: .7rem; letter-spacing: .26em; text-transform: uppercase;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-flex; align-items: center; gap: .7em; margin-bottom: 1.2rem;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--grad); }

h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.06; letter-spacing: -.025em; color: var(--text); }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.2rem; line-height: 1.25; }
p { color: var(--text-dim); }
.lead { font-size: clamp(1.04rem, 1.6vw, 1.26rem); color: var(--text-dim); line-height: 1.6; max-width: 62ch; }
.section-head { max-width: 64ch; margin-bottom: clamp(38px, 5vw, 64px); }
.section-head h2 + .lead { margin-top: 1.1rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em; position: relative;
  font-family: var(--f-mono); font-size: .82rem; letter-spacing: .04em;
  padding: .95em 1.6em; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .22s cubic-bezier(.2,.7,.3,1.2), box-shadow .22s ease, background .22s ease, border-color .22s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--gold-1); outline-offset: 3px; }
.btn--primary {
  background: var(--grad); color: #1E1204; font-weight: 600;
  box-shadow: 0 8px 28px -10px rgba(242,180,92,.55), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--primary:hover { transform: translateY(-2px) scale(1.015); box-shadow: 0 14px 36px -10px rgba(242,180,92,.7), inset 0 1px 0 rgba(255,255,255,.35); }
.btn--ghost { border-color: var(--line-2); color: var(--text); background: rgba(255,255,255,.02); backdrop-filter: blur(6px); }
.btn--ghost:hover { border-color: var(--gold-1); transform: translateY(-2px); box-shadow: var(--glow); }
.btn .arw { transition: transform .2s ease; }
.btn:hover .arw { transform: translateX(4px); }
.btn:disabled { opacity: .55; cursor: wait; transform: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7,12,21,.68);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.site-header.on-dark { background: rgba(7,12,21,.68); border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--f-display); font-weight: 600; letter-spacing: .01em; font-size: 1.1rem; color: var(--text); }
.brand .mark { width: 34px; height: 34px; flex: none; filter: drop-shadow(0 0 10px rgba(242,180,92,.35)); }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2vw, 32px); }
.nav-links a.lnk { font-size: .92rem; color: var(--text-dim); position: relative; padding: 4px 0; transition: color .18s ease; }
.nav-links a.lnk::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1.5px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-links a.lnk:hover, .nav-links a.lnk[aria-current="page"] { color: var(--text); }
.nav-links a.lnk:hover::after, .nav-links a.lnk[aria-current="page"]::after { transform: scaleX(1); }
.nav-links .btn { padding: .6em 1.2em; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-2); border-radius: 10px; width: 44px; height: 40px; cursor: pointer; align-items: center; justify-content: center; color: var(--text); }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content:""; display:block; width:18px; height:2px; background: currentColor; position: relative; transition: .2s; border-radius: 2px; }
.nav-toggle span::before { position:absolute; top:-6px; } .nav-toggle span::after { position:absolute; top:6px; }

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; inset: 72px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: rgba(10,17,29,.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 18px var(--gutter) 26px;
    clip-path: inset(0 0 100% 0); transition: clip-path .3s ease;
  }
  .nav-links a.lnk { padding: 11px 0; font-size: 1.05rem; }
  .nav-links.open { clip-path: inset(0 0 0 0); }
  .nav-links .btn { margin-top: 12px; }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(84px, 13vw, 168px); border-bottom: 1px solid var(--line); }
.hero.dark { background: none; border-top: 0; }
.hero::before { /* horizon grid */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(75% 70% at 50% 30%, #000 20%, transparent 75%);
          mask-image: radial-gradient(75% 70% at 50% 30%, #000 20%, transparent 75%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); max-width: 16ch; }
.hero h1 .hl { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { margin-top: 1.7rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2.4rem; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 12px 30px; margin-top: 2.8rem;
  font-family: var(--f-mono); font-size: .78rem; letter-spacing: .04em; color: var(--text-dim);
}
.hero-meta b { color: var(--text); font-weight: 500; }
.hero-meta .dot { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.theta-motif {
  position: absolute; z-index: 1; pointer-events: none; opacity: .6;
  right: clamp(-160px, -6vw, -40px); top: 50%; transform: translateY(-50%);
  width: min(50vw, 620px); aspect-ratio: 1;
  animation: motif-drift 14s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 26px rgba(242,180,92,.14));
}
@keyframes motif-drift { from { transform: translateY(-52%) rotate(-1.5deg); } to { transform: translateY(-48%) rotate(1.5deg); } }
@media (max-width: 760px){ .theta-motif { opacity: .22; top: 86%; right: -32%; width: 120vw; animation: none; } }

/* ---------- cards / grids ---------- */
.svc-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px){ .svc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px){ .svc-grid { grid-template-columns: 1fr; } }
.card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--r);
  padding: 28px 26px 24px; position: relative; overflow: hidden; backdrop-filter: blur(8px);
  transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.card::before { /* top light seam */
  content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
}
.card:hover { transform: translateY(-5px); background: var(--glass-2); border-color: rgba(242,180,92,.4); box-shadow: 0 24px 48px -24px rgba(0,0,0,.6), var(--glow); }
.card .code { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.card h3 { margin: .9rem 0 .55rem; }
.card p { font-size: .95rem; }
.card .out { margin-top: 1.05rem; font-family: var(--f-mono); font-size: .73rem; letter-spacing: .03em; color: var(--text-dim); border-top: 1px dashed var(--line-2); padding-top: .9rem; }
.card .out b { color: var(--gold-1); font-weight: 600; }

/* ---------- process steps ---------- */
.steps { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; grid-template-columns: repeat(3,1fr); }
.steps > .step:only-child, .steps[data-cols="4"] { grid-template-columns: repeat(4,1fr); }
@media (max-width: 760px){ .steps, .steps[data-cols="4"] { grid-template-columns: 1fr; } }
.step { background: rgba(13,23,38,.72); backdrop-filter: blur(8px); padding: 32px 28px; transition: background .25s ease; }
.step:hover { background: rgba(20,32,52,.8); }
.step .n { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .14em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { margin: .95rem 0 .5rem; }
.step p { font-size: .94rem; }

/* ---------- feature list ---------- */
.feat { display: grid; grid-template-columns: repeat(2,1fr); gap: 34px 52px; }
@media (max-width: 720px){ .feat { grid-template-columns: 1fr; gap: 26px; } }
.feat .item { padding-left: 24px; position: relative; }
.feat .item::before { content: ""; position: absolute; left: 0; top: .35em; bottom: .3em; width: 2px; border-radius: 2px; background: var(--grad); box-shadow: 0 0 12px rgba(242,180,92,.5); }
.feat .item h3 { font-size: 1.06rem; margin-bottom: .5rem; }
.feat .item p { font-size: .96rem; }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { font-family: var(--f-mono); font-size: .77rem; letter-spacing: .04em; padding: .55em 1.1em; border: 1px solid var(--line-2); border-radius: 999px; color: var(--text-dim); background: var(--glass); backdrop-filter: blur(6px); transition: border-color .2s ease, color .2s ease, transform .2s ease; }
.chip:hover { border-color: rgba(242,180,92,.5); color: var(--text); transform: translateY(-2px); }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: auto 0 -40% 0; height: 80%; pointer-events: none;
  background: radial-gradient(50% 100% at 50% 100%, rgba(242,180,92,.12), transparent 70%); }
.cta-band h2 { max-width: 22ch; margin-inline: auto; }
.cta-band .lead { margin: 1.1rem auto 2rem; text-align: center; }
.cta-band .hero-cta { justify-content: center; }
.cta-band .wrap { position: relative; }

/* ---------- detailed service blocks ---------- */
.svc-block { display: grid; grid-template-columns: 190px 1fr; gap: 32px; padding-block: clamp(40px, 5vw, 60px); border-top: 1px solid var(--line); }
.svc-block:first-of-type { border-top: 0; }
@media (max-width: 760px){ .svc-block { grid-template-columns: 1fr; gap: 14px; } }
.svc-block .idx { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .12em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.svc-block h3 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin-bottom: .8rem; }
.svc-block ul { margin: 1.1rem 0 0; padding: 0; list-style: none; display: grid; gap: .55rem; }
.svc-block li { position: relative; padding-left: 1.5rem; color: var(--text-dim); font-size: .97rem; }
.svc-block li::before { content: "θ"; font-family: var(--f-display); position: absolute; left: 0; top: 0; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: .95rem; }
.deliver { margin-top: 1.25rem; font-family: var(--f-mono); font-size: .75rem; color: var(--text-dim); background: var(--glass); border: 1px solid var(--line-2); border-radius: 12px; padding: .75em 1.1em; display: inline-block; backdrop-filter: blur(6px); }
.deliver b { color: var(--gold-1); }

/* ---------- training tracks ---------- */
.tracks { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
@media (max-width: 720px){ .tracks { grid-template-columns: 1fr; } }
.track { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; backdrop-filter: blur(8px); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; position: relative; overflow: hidden; }
.track::before { content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent); }
.track:hover { transform: translateY(-4px); border-color: rgba(242,180,92,.4); box-shadow: 0 22px 44px -24px rgba(0,0,0,.6), var(--glow); }
.track .lvl { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.track h3 { margin: .75rem 0 .6rem; }
.track ul { margin: 1rem 0 0; padding-left: 1.15rem; color: var(--text-dim); font-size: .94rem; display: grid; gap: .4rem; }
.track[style*="border-color"] { border-color: rgba(242,180,92,.55) !important; box-shadow: var(--glow); }

/* ---------- stats ---------- */
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
@media (max-width: 640px){ .stat-row { grid-template-columns: 1fr; } }
.stat { background: rgba(13,23,38,.72); padding: 30px 28px; backdrop-filter: blur(8px); }
.stat .big { font-family: var(--f-display); font-size: 2.3rem; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { font-family: var(--f-mono); font-size: .73rem; letter-spacing: .06em; color: var(--text-dim); margin-top: .35rem; }

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.15rem; }
.prose p { font-size: 1.04rem; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 5vw, 70px); align-items: start; }
@media (max-width: 820px){ .contact-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: .45rem; margin-bottom: 1.15rem; }
.field label { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.field input, .field textarea, .field select {
  font-family: var(--f-body); font-size: 1rem; color: var(--text);
  padding: .9em 1.05em; border: 1px solid var(--line-2); border-radius: 12px;
  background: var(--glass); backdrop-filter: blur(6px); width: 100%;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2393A0B4' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1em center; }
.field select option { background: #0D1726; color: var(--text); }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--gold-1); box-shadow: 0 0 0 3px rgba(242,180,92,.18); background: rgba(255,255,255,.05); }
.contact-facts { display: grid; gap: 1.5rem; }
.fact { padding: 20px 22px; background: var(--glass); border: 1px solid var(--line); border-radius: var(--r); backdrop-filter: blur(8px); }
.fact .k { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; text-transform: uppercase; }
.fact .v { font-size: 1.02rem; color: var(--text); margin-top: .35rem; }
.fact .v a { border-bottom: 1px solid rgba(242,180,92,.6); transition: color .2s ease; }
.fact .v a:hover { color: var(--gold-1); }

/* ---------- footer ---------- */
.site-footer { background: linear-gradient(180deg, var(--bg-2), #060A12); color: var(--text-dim); padding-block: 60px 34px; border-top: 1px solid var(--line); }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
@media (max-width: 720px){ .foot-top { grid-template-columns: 1fr 1fr; gap: 26px; } }
.site-footer .brand { color: var(--text); margin-bottom: .95rem; }
.site-footer p { font-size: .92rem; color: var(--text-dim); max-width: 34ch; }
.foot-col h4 { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 1rem; font-weight: 500; }
.foot-col a { display: block; color: var(--text-dim); font-size: .94rem; padding: .3rem 0; transition: color .18s ease, transform .18s ease; }
.foot-col a:hover { color: var(--text); transform: translateX(3px); }
.foot-bar { margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; font-family: var(--f-mono); font-size: .73rem; letter-spacing: .04em; color: #5D6B80; }

/* ---------- clients strip ---------- */
.clients-band { padding-block: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.012); }
.clients-kicker { text-align: center; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 2rem; }
.clients { display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-start; gap: clamp(28px, 6vw, 80px); }
.client { display: flex; flex-direction: column; align-items: center; gap: .75rem; margin: 0; text-align: center; }
.client img { height: 30px; width: auto; opacity: .7; filter: grayscale(1) brightness(1.6); transition: opacity .25s ease, filter .25s ease, transform .25s ease; }
.client:hover img { opacity: 1; filter: none; transform: translateY(-2px); }
.client figcaption { font-family: var(--f-mono); font-size: .71rem; letter-spacing: .04em; color: var(--text-dim); max-width: 22ch; }
.client-quote { margin: .85rem 0 0; max-width: 27ch; font-size: .85rem; font-style: italic; color: var(--text); line-height: 1.5; }
.client-quote cite { display: block; margin-top: .5rem; font-style: normal; font-family: var(--f-mono); font-size: .67rem; letter-spacing: .05em; color: var(--text-dim); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.65,.3,1), transform .7s cubic-bezier(.2,.65,.3,1); }
.reveal.in { opacity: 1; transform: none; }
/* gentle stagger for grids */
.svc-grid .reveal:nth-child(2), .tracks .reveal:nth-child(2), .feat .reveal:nth-child(2) { transition-delay: .07s; }
.svc-grid .reveal:nth-child(3), .tracks .reveal:nth-child(3) { transition-delay: .14s; }
.svc-grid .reveal:nth-child(4), .tracks .reveal:nth-child(4) { transition-delay: .21s; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity: 1; transform: none; transition: none; } }

.skip { position: absolute; left: -999px; top: 0; background: var(--grad); color: #1E1204; padding: .6em 1em; border-radius: 0 0 10px 0; z-index: 100; font-weight: 600; }
.skip:focus { left: 0; }