/* ============================================================
   Interas Research — shared stylesheet
   Design system carried over from the earlier site: Source Serif 4 / IBM Plex.
   One file for all pages, so weekly content updates touch markup only.
   ============================================================ */

:root{
  --ink:#0B1220; --ink-2:#121B2B; --paper:#FAFAF8; --panel:#F1EFEA;
  --graphite:#1D2430; --slate:#5B6673; --slate-2:#8A93A0; --steel:#3F5C74;
  --brass:#A9814A; --brass-2:#C79A5C; --race:#B3232C; --race-2:#D4404A;
  --line:#DFDCD4; --line-d:rgba(255,255,255,0.10); --white:#FFFFFF;
  --serif:'Source Serif 4', Georgia, serif;
  --sans:'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw:1100px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--sans);background:var(--ink);color:#C7CDD6;line-height:1.5;-webkit-font-smoothing:antialiased;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--brass-2);outline-offset:2px;border-radius:2px;}
/* width:100% is load-bearing — .hero is a column flex container, and auto
   cross-axis margins stop a flex item stretching, collapsing .wrap to
   content width and knocking it out of line with the header. */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}
@media (max-width:640px){ .wrap{padding:0 20px;} }

.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .lights span{animation:none !important;opacity:1 !important;}
  .track-line path.accent{animation:none;stroke-dashoffset:0;}
}

/* ---------- Header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,18,32,0.72);backdrop-filter:blur(10px) saturate(140%);border-bottom:1px solid transparent;transition:border-color .3s ease;}
header.scrolled{border-bottom:1px solid var(--line-d);}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px;}
.brand-group{display:flex;align-items:center;gap:0;}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:600;font-size:17.5px;text-decoration:none;color:#EDEFF3;}
/* The original mark: a symmetric diamond of four equal arms, upright, with a
   gap at each vertex. No rotation and no asymmetry — the earlier "kite"
   treatment (10deg lean, unequal arm lengths) has been reverted. */
.brand-diamond{display:block;flex:none;}
.brand-sub{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#8D97A3;padding-left:12px;margin-left:12px;border-left:1px solid rgba(255,255,255,0.16);}
nav.primary{display:none;}
@media (min-width:820px){ nav.primary{display:flex;align-items:center;gap:28px;} }
nav.primary a{font-family:var(--mono);font-size:12px;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;color:#9AA4B0;}
nav.primary a:hover,nav.primary a[aria-current="page"]{color:#EDEFF3;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:transparent;border:1px solid rgba(255,255,255,0.2);border-radius:3px;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:#EDEFF3;}
@media (max-width:819px){
  .nav-toggle{display:flex;}
  nav.primary{position:absolute;top:74px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;background:rgba(11,18,32,0.98);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,0.1);padding:8px 32px 16px;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .22s ease, transform .22s ease, visibility .22s;}
  nav.primary.open{visibility:visible;opacity:1;transform:none;}
  nav.primary a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.08);}
  nav.primary a:last-child{border-bottom:none;}
}
.skip-link{position:absolute;left:8px;top:8px;z-index:200;transform:translateY(-200%);background:var(--brass-2);color:#1A140A;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:10px 16px;border-radius:2px;transition:transform .2s ease;}
.skip-link:focus{transform:translateY(0);outline:none;}

/* ---------- Buttons ---------- */
.btn{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:12px 22px;border-radius:2px;display:inline-flex;align-items:center;gap:9px;transition:transform .2s ease, background .2s ease, border-color .2s ease;border:none;cursor:pointer;}
.btn-primary{background:var(--brass-2);color:#1A140A;}
.btn-primary:hover{background:#D6AC72;transform:translateY(-1px);}
.btn-ghost{border:1px solid rgba(255,255,255,0.25);color:#EDEFF3;background:transparent;}
.btn-ghost:hover{border-color:rgba(255,255,255,0.55);transform:translateY(-1px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;
  background:
    radial-gradient(1100px 560px at 84% -8%, rgba(63,92,116,0.32), transparent 58%),
    radial-gradient(900px 420px at 10% 110%, rgba(179,35,43,0.10), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color:#EDEFF3;padding:170px 0 96px;
}
.hero.tall{min-height:88vh;}
.track-line{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none;}
.track-line path{fill:none;stroke:rgba(255,255,255,0.09);stroke-width:1;stroke-dasharray:6 1400;}
.track-line path.accent{stroke:rgba(199,154,92,0.35);stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 3.2s ease forwards .3s;}
@keyframes draw{to{stroke-dashoffset:0;}}
.lights{display:flex;gap:10px;margin-bottom:26px;}
.lights span{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);}
.lights.on span{animation:lightup 3.6s ease-in-out infinite;}
.lights span:nth-child(1){animation-delay:0s;} .lights span:nth-child(2){animation-delay:.35s;}
.lights span:nth-child(3){animation-delay:.7s;} .lights span:nth-child(4){animation-delay:1.05s;}
.lights span:nth-child(5){animation-delay:1.4s;}
@keyframes lightup{
  0%{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15);}
  8%,46%{background:var(--race-2);border-color:var(--race-2);}
  54%,85%{background:var(--brass-2);border-color:var(--brass-2);}
  100%{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15);}
}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#B9C3CE;margin-bottom:20px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brass-2);flex:none;}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,5.4vw,60px);line-height:1.08;letter-spacing:-.015em;max-width:19ch;margin:0 0 26px;color:#fff;}
/* lede and sub deliberately share a measure. At 52ch the lede came out
   NARROWER than the sub below it, so the column's right edge stepped in and
   back out again — reads as sloppy even though nothing is misaligned. */
.hero .lede{font-size:18px;line-height:1.65;color:#C7CDD6;max-width:521px;margin:0 0 18px;font-family:var(--serif);}
/* The standing category descriptor. Sits between the H1 and the lede: the H1 makes
   a human claim, this states the category the product competes in, and the lede
   then argues it. Kept in mono so it reads as a definition rather than as more
   prose, and NOT uppercased — at this length capitals stop being legible. */
.hero .descriptor{
  font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--brass-2);
  max-width:521px;margin:0 0 22px;letter-spacing:.01em;
}
.hero .sub{font-size:15.5px;line-height:1.75;color:#93A0AE;max-width:521px;margin:0 0 36px;}
/* Only the LAST sub clears the CTAs. Consecutive subs sit as one block, or the
   36px gap reads as two unrelated paragraphs rather than a claim and its proviso. */
.hero .sub:not(:last-of-type){margin-bottom:14px;}
.hero .sub strong{color:#EDEFF3;font-weight:500;}
.ctas{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Sections ---------- */
section{padding:92px 0;}
.sec-dark{background:var(--ink);border-top:1px solid var(--line-d);}
.sec-deep{background:linear-gradient(180deg, var(--ink-2), var(--ink));}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-2);margin-bottom:16px;display:block;}
h2{font-family:var(--serif);font-size:clamp(24px,3vw,34px);font-weight:600;letter-spacing:-.01em;line-height:1.2;margin:0 0 16px;color:#fff;}
.sec-head{max-width:640px;margin-bottom:44px;}
.sec-head p{font-size:15.5px;line-height:1.75;color:#93A0AE;margin:0 0 15px;}
.sec-head p:last-child{margin-bottom:0;}
.lead{font-size:16px;line-height:1.8;color:#B9C3CE;max-width:60ch;margin:0 0 22px;}
.lead strong{color:#fff;font-weight:600;}

/* ---------- Product index (stackable) ---------- */
.products{border-top:1px solid var(--line-d);}
.product{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:34px 0;border-bottom:1px solid var(--line-d);
  text-decoration:none;color:#EDEFF3;transition:color .25s ease;
}
.product > div{transition:transform .25s ease;}
.product:hover{color:var(--brass-2);}
.product:hover > div:first-child{transform:translateX(10px);}
.product .pname{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.4vw,34px);letter-spacing:-.01em;}
.product .pdesc{font-size:14.5px;color:#93A0AE;max-width:54ch;margin-top:8px;line-height:1.65;}
.product .pmeta{display:flex;align-items:center;gap:18px;flex:none;}
.product .ptag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--brass);white-space:nowrap;}
.product .parrow{font-family:var(--mono);font-size:18px;color:#5B6673;transition:transform .25s ease,color .25s ease;}
.product:hover .parrow{transform:translateX(4px);color:var(--brass-2);}
.product-soon{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line-d);color:#5B6673;
}
.product-soon .pname{font-family:var(--serif);font-size:19px;color:#5B6673;}
.product-soon .ptag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;}
@media (max-width:640px){ .product{flex-direction:column;align-items:flex-start;gap:12px;} }

/* ---------- Numbered capability rows ---------- */
.rows{border-top:1px solid var(--line-d);}
.rows > div{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line-d);align-items:baseline;}
.rows .rn{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--brass-2);}
.rows h4{font-family:var(--serif);font-size:17px;color:#fff;margin:0 0 6px;font-weight:600;}
.rows p{font-size:14.5px;line-height:1.7;color:#93A0AE;margin:0;max-width:60ch;}
@media (max-width:640px){ .rows > div{grid-template-columns:1fr;gap:8px;} }

/* The five C's reuse .rows — one row pattern, not two competing card grids. */

/* ---------- Roadmap chips ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;padding:8px 14px;border-radius:2px;border:1px solid var(--line-d);color:#93A0AE;}
.chip.now{border-color:rgba(199,154,92,.5);color:var(--brass-2);}

/* ---------- CTA / request ---------- */
.request{background:linear-gradient(180deg, var(--ink-2), var(--ink));position:relative;overflow:hidden;border-top:1px solid var(--line-d);}
.request::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 2px, transparent 2px 26px);opacity:.5;pointer-events:none;}
.request .inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.request p{color:#93A0AE;font-size:15.5px;line-height:1.75;max-width:46ch;margin:0;}
.req-form{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.12);border-radius:6px;padding:30px;}
.field{margin-bottom:14px;}
.field label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:#93A0AE;margin-bottom:8px;}
.field input{width:100%;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.18);border-radius:4px;padding:12px 14px;font-family:var(--sans);font-size:16px;color:#EDEFF3;transition:border-color .2s ease;}
.field input::placeholder{color:#6B7684;}
.field input:focus{border-color:var(--brass-2);outline:2px solid var(--brass-2);outline-offset:1px;}
.req-form .btn-primary{width:100%;justify-content:center;padding:14px;margin-top:4px;}
.form-fine{font-family:var(--mono);font-size:10.5px;color:#7A8593;margin-top:14px;line-height:1.6;}
.confirm{display:none;text-align:center;padding:18px 6px;}
.confirm .ck{width:34px;height:34px;border-radius:50%;border:1px solid var(--brass-2);color:var(--brass-2);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-family:var(--mono);}
.confirm h4{font-family:var(--serif);color:#fff;font-size:18px;margin:0 0 8px;font-weight:600;}
.confirm p{color:#93A0AE;font-size:13.5px;margin:0;max-width:none;}
@media (max-width:820px){ .request .inner{grid-template-columns:1fr;gap:36px;} }

/* ---------- Story page ---------- */
.story p{font-size:16.5px;line-height:1.85;color:#B9C3CE;max-width:60ch;margin:0 0 24px;font-family:var(--serif);}
.story p strong{color:#fff;font-weight:600;}
.pull{border-left:2px solid var(--brass-2);padding-left:24px;margin:36px 0;font-family:var(--serif);font-size:20px;line-height:1.6;color:#EDEFF3;max-width:52ch;}
.since{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);margin:44px 0 0;}
.since > div{padding:24px 0;}
.since .sv{font-family:var(--serif);font-size:clamp(20px,2.6vw,27px);font-weight:600;color:#fff;line-height:1.25;}
.since .sl{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:#7A8593;margin-top:8px;}
@media (max-width:640px){ .since{grid-template-columns:1fr;} .since > div{padding:18px 0;border-bottom:1px solid var(--line-d);} .since > div:last-child{border-bottom:none;} }

/* ---------- Talent ---------- */
.talent{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.talent span{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;padding:9px 15px;border:1px solid var(--line-d);border-radius:2px;color:#93A0AE;}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#7A8593;padding:44px 0 32px;border-top:1px solid var(--line-d);}
.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-brand{font-family:var(--serif);color:#EDEFF3;font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px;}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;}
.footer-links a{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;color:#9AA4B0;}
.footer-links a:hover{color:#EDEFF3;}
.footer-fine{font-family:var(--mono);font-size:11px;color:#5B6673;margin-top:22px;}

/* ---------- Unresolved content marker (must not survive to production) ---------- */
.todo{background:rgba(212,64,74,.14);border-bottom:1px dashed var(--race-2);color:#F1A0A5;font-family:var(--mono);font-size:.88em;padding:1px 5px;}

::selection{background:var(--brass-2);color:#1A140A;}

/* ============================================================
   STAGE — animated depiction of the Vektor runtime.
   Deliberately NOT an architecture diagram: no real component
   names, no topology anyone could implement against. It shows the
   shape of the idea (declare -> register -> govern -> observe) so a
   visitor who will never scroll still leaves knowing what Vektor is.
   Steps auto-advance; the SVG is one scene with per-step CSS state.
   ============================================================ */
.stage{margin-top:12px;}
.stage-frame{
  position:relative;border:1px solid var(--line-d);border-radius:6px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,0));
  padding:22px 24px 18px;overflow:hidden;
}
.stage-svg{display:block;width:100%;height:auto;}

/* Base scene: everything present, dimmed until its step. */
.stage-svg .panel{fill:rgba(255,255,255,.018);stroke:rgba(255,255,255,.20);stroke-width:1;}
.stage-svg .lbl{font-family:var(--mono);font-size:9px;letter-spacing:.14em;fill:#8B94A0;text-transform:uppercase;}
.stage-svg .wire{stroke:rgba(255,255,255,.24);stroke-width:1;fill:none;}
.stage-svg .specline{fill:rgba(255,255,255,.26);}
.stage-svg .tile{fill:rgba(255,255,255,.055);stroke:rgba(255,255,255,.22);stroke-width:1;}
.stage-svg .tick{fill:var(--brass-2);opacity:0;}
.stage-svg .logbar{fill:rgba(255,255,255,.20);}
/* Inactive groups recede but stay legible — at .32 the whole scene read as
   broken rather than backgrounded. */
.stage-svg .group{opacity:.42;transition:opacity .5s ease;}
.stage-frame[data-step="0"] .g-spec,
.stage-frame[data-step="1"] .g-plane,
.stage-frame[data-step="2"] .g-plane,
.stage-frame[data-step="3"] .g-plane,
.stage-frame[data-step="3"] .g-logs{opacity:1;}

/* 1 — Register: tiles populate one after another. */
.stage-frame[data-step="1"] .tileset g,
.stage-frame[data-step="2"] .tileset g,
.stage-frame[data-step="3"] .tileset g{animation:tileIn .42s ease-out backwards;}
.tileset g:nth-child(1){animation-delay:.02s;} .tileset g:nth-child(2){animation-delay:.09s;}
.tileset g:nth-child(3){animation-delay:.16s;} .tileset g:nth-child(4){animation-delay:.23s;}
.tileset g:nth-child(5){animation-delay:.30s;} .tileset g:nth-child(6){animation-delay:.37s;}
.tileset g:nth-child(7){animation-delay:.44s;} .tileset g:nth-child(8){animation-delay:.51s;}
@keyframes tileIn{from{opacity:0;transform:translateY(7px);}to{opacity:1;transform:translateY(0);}}
.stage-frame[data-step="1"] .tick,
.stage-frame[data-step="2"] .tick,
.stage-frame[data-step="3"] .tick{opacity:1;transition:opacity .3s ease .5s;}

/* 2 — Govern: a policy pass sweeps the fleet, one agent is held. */
.sweep{fill:url(#sweepGrad);opacity:0;}
.stage-frame[data-step="2"] .sweep{animation:sweep 1.9s cubic-bezier(.4,0,.2,1) infinite;}
@keyframes sweep{0%{opacity:0;transform:translateX(-60px);}12%{opacity:1;}88%{opacity:1;}100%{opacity:0;transform:translateX(342px);}}
.held{opacity:0;}
.stage-frame[data-step="2"] .held{animation:holdIn .5s ease-out .85s forwards;}
.stage-frame[data-step="3"] .held{opacity:1;}
@keyframes holdIn{to{opacity:1;}}
/* The held agent stays neutral until Govern actually runs — showing it
   already flagged on step 0 gives away the story and looks like a bug. */
.stage-frame[data-step="2"] .held-tile,
.stage-frame[data-step="3"] .held-tile{fill:rgba(179,35,43,.16);stroke:var(--race-2);}
/* The held agent's brass tick must be suppressed for as long as it is held,
   or the red marker and the green-light tick sit on top of each other. */
.stage-frame[data-step="2"] .held-tile ~ .tick,
.stage-frame[data-step="3"] .held-tile ~ .tick{opacity:0 !important;}

/* 3 — Observe: activity streams out to the log lane. */
.stream{opacity:0;}
.stage-frame[data-step="3"] .stream circle{animation:flow 1.5s linear infinite;}
.stage-frame[data-step="3"] .stream{opacity:1;}
.stream circle:nth-child(2){animation-delay:.3s;} .stream circle:nth-child(3){animation-delay:.6s;}
.stream circle:nth-child(4){animation-delay:.9s;} .stream circle:nth-child(5){animation-delay:1.2s;}
@keyframes flow{from{transform:translateX(0);opacity:0;}15%{opacity:1;}85%{opacity:1;}to{transform:translateX(52px);opacity:0;}}
.stage-frame[data-step="3"] .logbar{animation:barGrow .6s ease-out backwards;transform-origin:left center;}
.logbar:nth-of-type(2){animation-delay:.12s;} .logbar:nth-of-type(3){animation-delay:.24s;}
@keyframes barGrow{from{transform:scaleX(.15);}to{transform:scaleX(1);}}

/* Step controls double as the copy. Clicking pins a step. */
.stage-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-d);
  border:1px solid var(--line-d);border-top:none;border-radius:0 0 6px 6px;overflow:hidden;}
.stage-steps button{
  appearance:none;border:0;background:var(--ink-2);text-align:left;cursor:pointer;
  padding:15px 17px 16px;font-family:var(--sans);color:#7C8794;
  border-top:2px solid transparent;transition:color .25s ease,border-color .25s ease,background .25s ease;
}
.stage-steps button:hover{background:#16202F;color:#AEB7C2;}
.stage-steps button[aria-selected="true"]{background:#16202F;color:#E6E9ED;border-top-color:var(--brass-2);}
.stage-steps .sn{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--brass-2);margin-bottom:7px;}
.stage-steps .st{display:block;font-size:14.5px;font-weight:500;line-height:1.45;}
.stage-cap{font-size:14.5px;line-height:1.65;color:#93A0AE;margin:18px 0 0;min-height:44px;max-width:66ch;}
@media (max-width:760px){
  .stage-steps{grid-template-columns:1fr 1fr;}
  .stage-steps button{padding:13px 14px;}
  .stage-steps .st{font-size:13.5px;}
  .stage-frame{padding:16px 14px 12px;}
}
@media (prefers-reduced-motion: reduce){
  .stage-svg *{animation:none !important;}
  .stage-frame .group{opacity:1;}
  .tick,.held,.stream{opacity:1;}
}

/* Vektor hero carries the stage, so it sizes to content rather than the
   viewport — 88vh of hero plus a 300px stage pushed the steps below the fold,
   which defeats the point of putting the explainer up here. */
.hero-stage{min-height:0;padding:150px 0 84px;}
.hero-stage h1{margin-bottom:20px;}
.hero-stage .lede{margin-bottom:30px;}

/* Active group gets a brass edge. Opacity alone was too weak a signal to say
   "this is the part being talked about" — the eye needs a colour change. */
.stage-frame[data-step="0"] .g-spec .panel,
.stage-frame[data-step="1"] .g-plane .panel,
.stage-frame[data-step="2"] .g-plane .panel,
.stage-frame[data-step="3"] .g-logs .panel{stroke:rgba(199,154,92,.55);}
.stage-frame[data-step="3"] .g-logs .logbar{fill:rgba(199,154,92,.42);}

/* .rows p is margin:0, so two paragraphs in one entry butt together. Only the
   AWS-native row on vektor.html has two; every other entry site-wide has one,
   so this rule is inert everywhere else. */
.rows p + p{margin-top:9px;}

/* Same reason as .rows p + p: .request p is margin:0, and the closer on
   index.html now runs two paragraphs where it previously ran one. */
.request p + p{margin-top:14px;}