/*
Theme Name: SpectraRig
Theme URI: https://spectrarig.com
Author: Bitstream Media
Author URI: https://bitstreammedia.com.au
Description: Native Mac tools for live production. Signal-flow identity — video black, per-app signal hue, expanded display type.
Version: 0.2.0
Requires at least: 6.6
Requires PHP: 8.2
License: Proprietary
Text Domain: spectrarig
*/

/* ============================================================ base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sr-void);
  color: var(--sr-text-body);
  font-family: var(--sr-font-sans);
  font-size: 1rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--sr-hue-text); text-decoration: none; }
a:hover { text-decoration: underline; }
:where(a, button, input, summary):focus-visible {
  outline: 2px solid var(--sr-hue-fill);
  outline-offset: 2px;
  border-radius: 2px;
}

.sr-container { max-width: var(--sr-container); margin-inline: auto; padding-inline: var(--sr-gutter); }
.sr-skip { position: absolute; left: -9999px; }
.sr-skip:focus { left: 1rem; top: 1rem; background: var(--sr-text-bright); color: var(--sr-void); padding: .5rem 1rem; z-index: 100; }

/* ============================================================ type */
h1, h2, h3, h4 {
  color: var(--sr-text-bright);
  font-family: var(--sr-font-display);
  font-weight: var(--sr-display-weight);
  font-stretch: var(--sr-display-stretch);
  letter-spacing: var(--sr-display-track);
  line-height: 1.04;
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.35rem, 6.2vw, 4.5rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.1rem; font-weight: 700; font-stretch: 105%; letter-spacing: -.015em; }

.sr-lead { font-size: clamp(1.02rem, 1.5vw, 1.16rem); color: var(--sr-text-body); max-width: 56ch; }

/* Mono is the utility voice: labels, readouts, versions, status. */
.sr-eyebrow, .sr-section-title, .sr-strip__ch, .sr-strip__ver, .sr-strip__cat,
.sr-strip__statetext, .sr-canvas__title, .sr-canvas__readout, .sr-canvas__status,
.sr-status, .sr-price__label, .sr-badge, .sr-card__meta, .sr-note, .sr-hero__meta {
  font-family: var(--sr-font-mono);
  font-stretch: normal;
}
.sr-eyebrow {
  font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--sr-hue-text); margin: 0 0 1rem;
}
.sr-section-title {
  font-size: .7rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--sr-text-muted); font-weight: 500; margin: 0 0 1.3rem;
  display: flex; align-items: center; gap: .9rem;
}
.sr-section-title::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--sr-line), transparent);
}

/* Naming rule: "Spectra" bright, suffix in the app's hue. */
.sr-name { color: var(--sr-text-bright); font-weight: 700; font-stretch: 105%; }
.sr-name--suite { font-stretch: var(--sr-display-stretch); }
.sr-name__suffix--spectrum { font-weight: 800; }
.sr-name-link { color: inherit; }

/* Tally LED — status only, never brand. */
.sr-tally {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%; flex: none;
  background: var(--sr-fill-green);
  box-shadow: 0 0 8px var(--sr-fill-green);
  animation: sr-breathe 2.6s ease-in-out infinite;
}
@keyframes sr-breathe { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

/* ============================================================ buttons */
.sr-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .72rem 1.2rem; border-radius: var(--sr-radius);
  font-size: .875rem; font-weight: 700; font-stretch: 104%;
  border: 1px solid var(--sr-line); color: var(--sr-text-bright);
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.sr-btn:hover { text-decoration: none; transform: translateY(-1px); }
/* Black ink clears AA on every fill (violet tightest at 4.83:1) — measured. */
.sr-btn--primary { background: var(--sr-hue-fill); border-color: transparent; color: #04060a; }
.sr-btn--spectrum { background: var(--sr-spectrum); border-color: transparent; color: #04060a; }
.sr-btn--ghost { background: transparent; color: var(--sr-text-body); }
.sr-btn--ghost:hover { color: var(--sr-text-bright); border-color: var(--sr-text-muted); }
.sr-btn--lg { padding: .88rem 1.5rem; font-size: .94rem; }

/* ============================================================ header */
.sr-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--sr-scrim);
  background: rgba(5, 7, 10, .86);
  backdrop-filter: blur(14px) saturate(1.2);
}
.sr-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 64px; }
.sr-logo { display: inline-flex; align-items: center; gap: .6rem; font-size: 1.02rem; }
.sr-logo__mark {
  /* The real suite app icon, not a CSS approximation of it — the mark in the
     nav should be the same object that sits in the Dock. */
  width: 26px; height: 26px; flex: none; border-radius: 6px;
}
.sr-nav { display: flex; align-items: center; gap: 1.4rem; font-size: .875rem; }
.sr-nav > a { color: var(--sr-text-body); }
.sr-nav > a:hover { color: var(--sr-text-bright); text-decoration: none; }
.sr-nav__apps { position: relative; }
.sr-nav__apps > summary { cursor: pointer; color: var(--sr-text-body); list-style: none; }
.sr-nav__apps > summary::-webkit-details-marker { display: none; }
.sr-nav__apps > summary:hover { color: var(--sr-text-bright); }
.sr-nav__dropdown {
  position: absolute; top: 190%; left: -.8rem; min-width: 268px; margin: 0; padding: .35rem;
  list-style: none; background: var(--sr-rail);
  border: 1px solid var(--sr-line); border-radius: var(--sr-radius-lg);
  box-shadow: 0 18px 40px -12px rgba(0,0,0,.8);
}
.sr-nav__dropdown li { border-left: 2px solid var(--sr-item-hue); margin: 2px 0; }
.sr-nav__dropdown a { display: flex; justify-content: space-between; gap: .75rem; padding: .5rem .7rem; }
.sr-nav__dropdown a:hover { background: var(--sr-scrim); text-decoration: none; }
.sr-badge { font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sr-text-faint); align-self: center; }

/* ============================================================ hero */
.sr-hero { padding-block: clamp(2.6rem, 6vw, 4.6rem) clamp(1.6rem, 3vw, 2.4rem); }
.sr-hero__rule { width: 58px; height: 2px; background: var(--sr-spectrum); margin-bottom: 1.4rem; }
.sr-hero__spectrum {
  background: var(--sr-spectrum-text);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sr-hero__cta { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.7rem; }
.sr-hero__meta {
  display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.5rem;
  font-size: .74rem; color: var(--sr-text-faint);
}

/* app-page hero */
.sr-hero__name { margin-bottom: .3em; }
.sr-hero__tagline {
  font-family: var(--sr-font-display);
  font-size: clamp(1.05rem, 2.1vw, 1.42rem); font-weight: 600; font-stretch: 108%;
  color: var(--sr-text-bright); letter-spacing: -.02em; line-height: 1.25;
  margin: 0 0 1rem; max-width: 34ch;
}
.sr-status { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: var(--sr-text-green); margin: 1.3rem 0 0; }

/* ============================================================ signal canvas (signature) */
.sr-canvas {
  margin: 0;
  border: 1px solid var(--sr-line);
  border-radius: 8px;
  background: var(--sr-deck);
  overflow: hidden;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.03);
}
.sr-canvas__chrome {
  display: flex; align-items: center; gap: .8rem;
  padding: .6rem .9rem;
  border-bottom: 1px solid var(--sr-scrim);
  background: var(--sr-rail);
}
.sr-canvas__lights { display: inline-flex; gap: 6px; }
.sr-canvas__lights i { width: 9px; height: 9px; border-radius: 50%; background: var(--sr-line); }
.sr-canvas__lights i:first-child { background: #ff5f57; }
.sr-canvas__lights i:nth-child(2) { background: #febc2e; }
.sr-canvas__lights i:nth-child(3) { background: #28c840; }
.sr-canvas__title { font-size: .72rem; color: var(--sr-text-muted); }
.sr-canvas__readout { margin-left: auto; font-size: .7rem; color: var(--sr-text-faint); }
.sr-canvas__body {
  padding: .4rem;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(124,92,255,.055), transparent 60%),
    var(--sr-void);
}
.sr-flow { width: 100%; height: auto; display: block; }
.sr-canvas__status {
  display: flex; align-items: center; gap: .55rem; flex-wrap: wrap;
  padding: .6rem .9rem; border-top: 1px solid var(--sr-scrim);
  background: var(--sr-rail); font-size: .7rem; color: var(--sr-text-muted);
}
.sr-canvas__sep { color: var(--sr-text-faint); }

/* canvas internals */
.sr-flow__col { font-family: var(--sr-font-mono); font-size: 9px; letter-spacing: .16em; fill: var(--sr-text-faint); }
.sr-node rect { fill: var(--sr-deck); stroke: var(--sr-line); stroke-width: 1; }
.sr-node text { font-family: var(--sr-font-mono); font-size: 9.5px; fill: var(--sr-text-body); }
.sr-node__name { font-family: var(--sr-font-display); font-size: 13px; font-weight: 700; font-stretch: 108%; fill: var(--sr-text-bright); }
.sr-node__sub { font-size: 8.5px; fill: var(--sr-text-faint); }
.sr-node--tool rect { fill: var(--sr-rail); }
.sr-node--dim { opacity: .5; }
.sr-node__edge { stroke-width: 2.5; }
.sr-edge--cyan { stroke: var(--sr-fill-cyan); }
.sr-edge--magenta { stroke: var(--sr-fill-magenta); }
.sr-edge--amber { stroke: var(--sr-fill-amber); }
.sr-edge--violet { stroke: var(--sr-fill-violet); }
.sr-t-cyan { fill: var(--sr-text-cyan); }
.sr-t-magenta { fill: var(--sr-text-magenta); }
.sr-t-amber { fill: var(--sr-text-amber); }
.sr-t-violet { fill: var(--sr-text-violet); }

/* signal pulses — the one animated idea on the page */
.sr-wire { stroke-dasharray: 5 12; animation: sr-signal 1.5s linear infinite; opacity: .85; }
.sr-wire--cyan { stroke: var(--sr-fill-cyan); }
.sr-wire--magenta { stroke: var(--sr-fill-magenta); animation-delay: .35s; }
.sr-wire--amber { stroke: var(--sr-fill-amber); animation-delay: .7s; }
.sr-wire--violet { stroke: var(--sr-fill-violet); animation-delay: 1.05s; opacity: .55; }
@keyframes sr-signal { to { stroke-dashoffset: -34; } }

/* ============================================================ channel strips */
.sr-strips { display: grid; grid-template-columns: repeat(auto-fit, minmax(226px, 1fr)); gap: .7rem; }
.sr-strip {
  position: relative; display: grid; gap: .55rem; align-content: start;
  padding: 1.05rem 1.1rem 1rem;
  background: linear-gradient(180deg, var(--sr-deck), var(--sr-void));
  border: 1px solid var(--sr-scrim);
  border-radius: var(--sr-radius-lg);
  overflow: hidden;
  transition: border-color .18s ease, transform .18s ease;
}
.sr-strip:hover { text-decoration: none; border-color: var(--sr-strip-fill); transform: translateY(-3px); }
.sr-strip__rail { position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--sr-strip-fill); }
.sr-strip--soon { opacity: .66; }
.sr-strip--soon:hover { opacity: .9; }
.sr-strip__head { display: flex; align-items: center; justify-content: space-between; }
.sr-strip__ch { font-size: .66rem; letter-spacing: .14em; color: var(--sr-text-faint); }
.sr-strip__state { display: inline-flex; align-items: center; gap: .35rem; }
.sr-strip__statetext { font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--sr-text-faint); }
.sr-strip__statetext--live { color: var(--sr-text-green); }
.sr-strip__name { font-size: 1.06rem; }
.sr-strip__what { color: var(--sr-text-muted); font-size: .855rem; line-height: 1.5; }
.sr-strip__viz { display: block; margin-top: .15rem; }
.sr-strip__foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: .3rem; padding-top: .7rem; border-top: 1px solid var(--sr-scrim);
}
.sr-strip__cat, .sr-strip__ver { font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sr-text-faint); }
.sr-strip__ver { color: var(--sr-strip-text); }

/* per-tool visualisations */
.sr-viz { width: 100%; height: auto; }
.sr-viz__frame { fill: rgba(255,255,255,.014); stroke: var(--sr-line); stroke-width: 1; }
.sr-viz__ghost { fill: rgba(255,255,255,.03); stroke: none; }
.sr-viz__ghost-fill { fill: rgba(255,255,255,.07); }
.sr-viz__pick { fill: color-mix(in srgb, var(--sr-strip-fill) 16%, transparent); stroke: var(--sr-strip-fill); stroke-width: 1.2; }
.sr-viz__pick line { stroke: var(--sr-strip-fill); stroke-width: 1; }
.sr-viz__pick--a { fill: color-mix(in srgb, var(--sr-fill-cyan) 14%, transparent); stroke: var(--sr-fill-cyan); }
.sr-viz__pick--b { fill: color-mix(in srgb, var(--sr-fill-violet) 14%, transparent); stroke: var(--sr-fill-violet); }
.sr-viz__pick--c { fill: color-mix(in srgb, var(--sr-fill-amber) 14%, transparent); stroke: var(--sr-fill-amber); }
.sr-viz__out { fill: none; stroke: var(--sr-line); stroke-width: 1; }
.sr-viz__wire { stroke: var(--sr-strip-fill); stroke-width: 1.3; stroke-dasharray: 4 5; animation: sr-signal 1.4s linear infinite; }
.sr-viz__label { font-family: var(--sr-font-mono); font-size: 7.5px; letter-spacing: .12em; fill: var(--sr-text-faint); }
.sr-viz__split { stroke: var(--sr-text-faint); stroke-width: 1; }
.sr-viz__xpt { fill: var(--sr-text-faint); }
.sr-viz__xpt--on { fill: var(--sr-strip-fill); filter: drop-shadow(0 0 4px var(--sr-strip-fill)); }
.sr-viz__mrow, .sr-viz__mcol { stroke: var(--sr-scrim); stroke-width: 1; }
.sr-viz__bracket path { stroke: var(--sr-strip-fill); stroke-width: 1.4; }

/* ============================================================ sections */
.sr-section { margin-top: clamp(3rem, 7vw, 5.5rem); }
.sr-chain { display: grid; gap: 0; }
.sr-chain__row {
  display: grid; grid-template-columns: 3.4rem 1fr; gap: 1.2rem;
  padding: 1.15rem 0; border-top: 1px solid var(--sr-scrim);
}
.sr-chain__row:last-child { border-bottom: 1px solid var(--sr-scrim); }
.sr-chain__step { font-family: var(--sr-font-mono); font-size: .7rem; color: var(--sr-text-faint); padding-top: .3rem; }
.sr-chain__body h3 { margin-bottom: .35em; }
.sr-chain__body p { margin: 0; max-width: 62ch; }

.sr-why { display: grid; grid-template-columns: repeat(auto-fit, minmax(262px, 1fr)); gap: 1.9rem 2.4rem; }
.sr-why h3 { color: var(--sr-text-bright); }
.sr-why p { margin: 0; }

.sr-cta-band {
  margin-top: clamp(3rem, 7vw, 5.5rem);
  text-align: center; padding: clamp(2.4rem, 6vw, 4rem) var(--sr-gutter);
  border: 1px solid var(--sr-scrim); border-radius: 10px;
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(255,45,149,.07), transparent 55%),
    var(--sr-deck);
}
.sr-cta-band .sr-lead { margin-inline: auto; margin-bottom: 1.5rem; }
.sr-cta-band h2 { margin-bottom: .4em; }

/* ============================================================ prose */
.sr-prose { max-width: 68ch; }
.sr-prose h2 { margin-top: 2.3em; }
.sr-prose h3 { color: var(--sr-hue-text); margin-top: 1.8em; }
.sr-prose ul, .sr-prose ol { padding-left: 1.2rem; }
.sr-prose li { margin-bottom: .35em; }
.sr-prose code { font-family: var(--sr-font-mono); font-size: .9em; background: var(--sr-rail); padding: .15em .4em; border-radius: 3px; }

/* legacy card class — download / support pages */
.sr-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: .7rem; }
.sr-card {
  position: relative; display: grid; gap: .35rem; align-content: start;
  padding: 1.05rem 1.1rem;
  background: linear-gradient(180deg, var(--sr-deck), var(--sr-void));
  border: 1px solid var(--sr-scrim); border-radius: var(--sr-radius-lg);
  border-left: 2px solid var(--sr-card-hue);
  transition: border-color .18s ease, transform .18s ease;
}
.sr-card:hover { text-decoration: none; transform: translateY(-2px); }
.sr-card--soon { opacity: .66; }
.sr-card__name { font-size: 1.02rem; }
.sr-card__tagline { color: var(--sr-text-muted); font-size: .855rem; }
.sr-card__meta { color: var(--sr-text-faint); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; }
.sr-card--static .sr-btn { justify-self: start; margin-top: .5rem; }
.sr-support__links { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: .7rem; }

/* ============================================================ pricing */
.sr-eyebrow--spectrum { background: var(--sr-spectrum-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sr-suite-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--sr-line); border-radius: 10px;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  background:
    radial-gradient(80% 120% at 12% 0%, rgba(124,92,255,.09), transparent 55%),
    radial-gradient(70% 110% at 92% 8%, rgba(255,45,149,.07), transparent 55%),
    var(--sr-deck);
}
.sr-suite-card::before { content: ''; position: absolute; inset: 0 0 auto; height: 2px; background: var(--sr-spectrum); }
.sr-suite-card__prices { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: .8rem; margin: 1.6rem 0; }
.sr-price { display: grid; gap: .25rem; padding: 1rem 1.05rem; border: 1px solid var(--sr-scrim); border-radius: var(--sr-radius-lg); background: rgba(0,0,0,.25); }
.sr-price--hero { border-color: var(--sr-fill-magenta); box-shadow: 0 0 28px -12px var(--sr-fill-magenta); }
.sr-price__label { font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sr-text-muted); }
.sr-price__amount { font-family: var(--sr-font-display); font-size: 2.05rem; font-weight: 800; font-stretch: 112%; letter-spacing: -.03em; color: var(--sr-text-bright); }
.sr-price__note { font-size: .76rem; color: var(--sr-text-faint); }
.sr-checkout-soon { font-size: .85rem; color: var(--sr-text-muted); margin: 0; }

.sr-pertool { margin-top: 3rem; }
.sr-table-wrap { overflow-x: auto; }
.sr-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.sr-table th, .sr-table td { text-align: left; padding: .82rem .6rem; border-bottom: 1px solid var(--sr-scrim); }
.sr-table thead th { font-family: var(--sr-font-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sr-text-muted); font-weight: 500; }
.sr-table tbody th { font-weight: 700; }
.sr-table td { font-family: var(--sr-font-mono); color: var(--sr-text-bright); }
.sr-table__total th, .sr-table__total td { color: var(--sr-text-faint); border-bottom: none; }
.sr-note { color: var(--sr-text-faint); font-size: .76rem; margin-top: 1rem; }

/* ============================================================ notify */
.sr-notify { max-width: 46rem; }
.sr-subscribe { background: var(--sr-deck); border: 1px solid var(--sr-scrim); border-radius: var(--sr-radius-lg); padding: 1.5rem; }
.sr-subscribe__label { display: block; color: var(--sr-text-bright); font-weight: 700; margin-bottom: .7rem; }
.sr-subscribe__row { display: flex; flex-wrap: wrap; gap: .5rem; }
.sr-input { flex: 1 1 15rem; padding: .72rem .9rem; background: var(--sr-void); border: 1px solid var(--sr-line); border-radius: var(--sr-radius); color: var(--sr-text-bright); font: inherit; font-size: .9rem; }
.sr-subscribe__note { color: var(--sr-text-faint); font-size: .76rem; margin: .8rem 0 0; }
.sr-alert { padding: .72rem 1rem; border-radius: var(--sr-radius); font-size: .9rem; }
.sr-alert--ok { background: rgba(61,220,132,.1); color: var(--sr-text-green); }
.sr-alert--err { background: rgba(255,45,149,.1); color: var(--sr-text-magenta); }

/* ============================================================ docs */
.sr-docs { display: grid; grid-template-columns: minmax(190px, 235px) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.2rem); padding-block: 2.6rem; align-items: start; }
.sr-docs__side { position: sticky; top: 84px; font-size: .87rem; display: grid; gap: 1.5rem; }
.sr-docs__group { border-left: 2px solid var(--sr-group-hue); padding-left: .85rem; }
.sr-docs__grouptitle { font-size: .9rem; margin: 0 0 .55rem; font-stretch: 105%; }
.sr-docs__side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .32rem; }
.sr-docs__side a { color: var(--sr-text-muted); }
.sr-docs__side a:hover { color: var(--sr-text-bright); }
.sr-docs__side .is-current > a { color: var(--sr-text-bright); font-weight: 600; }
.sr-docs__main { min-width: 0; }
.sr-docs__list { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.sr-docs__list li { display: grid; gap: .2rem; padding-bottom: .9rem; border-bottom: 1px solid var(--sr-scrim); }
.sr-docs__list span { color: var(--sr-text-muted); font-size: .87rem; }
.sr-docs__foot { margin-top: 3rem; padding-top: 1.2rem; border-top: 1px solid var(--sr-scrim); color: var(--sr-text-muted); font-size: .87rem; }

/* ============================================================ footer */
.sr-footer { margin-top: clamp(3.5rem, 8vw, 6rem); border-top: 1px solid var(--sr-scrim); }
.sr-footer__edge { height: 2px; background: var(--sr-spectrum); opacity: .8; }
.sr-footer__inner { padding-block: 3rem 2rem; display: grid; gap: 2.6rem; }
.sr-footer__tag { color: var(--sr-text-muted); margin: .6rem 0 .25rem; }
.sr-footer__by { color: var(--sr-text-faint); font-size: .85rem; margin: 0; }
.sr-footer__cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 1.6rem; }
.sr-footer__cols h3 { font-family: var(--sr-font-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--sr-text-muted); font-weight: 500; font-stretch: normal; }
.sr-footer__cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .42rem; font-size: .88rem; }
.sr-footer__cols a { color: var(--sr-text-body); }
.sr-footer__legal { color: var(--sr-text-faint); font-size: .78rem; border-top: 1px solid var(--sr-scrim); padding-top: 1.3rem; margin: 0; font-family: var(--sr-font-mono); }

/* ============================================================ block patterns */
.sr-featgrid { gap: 1.9rem; }
.sr-featgrid h3 { color: var(--sr-hue-text); }
.sr-faq__item { border-bottom: 1px solid var(--sr-scrim); padding: .95rem 0; }
.sr-faq__item summary { cursor: pointer; color: var(--sr-text-bright); font-weight: 600; }
.sr-faq__item[open] summary { color: var(--sr-hue-text); }
.sr-faq__item p { margin: .7rem 0 0; }
.wp-block-table.sr-table { overflow-x: auto; }
.wp-block-table.sr-table table { width: 100%; border-collapse: collapse; }
.wp-block-table.sr-table td { padding: .72rem .6rem; border-bottom: 1px solid var(--sr-scrim); font-size: .9rem; }
.wp-block-table.sr-table tr td:first-child { color: var(--sr-text-muted); width: 40%; }
.wp-block-table.sr-table tr td:last-child { color: var(--sr-text-bright); font-family: var(--sr-font-mono); }
.wp-block-columns { display: flex; flex-wrap: wrap; gap: 1.9rem; }
/* Prose is 68ch for readability, but a 3-up feature grid inside it becomes
   three cramped ribbons. Let these two patterns break out of the measure. */
.sr-prose > .wp-block-columns,
.sr-prose > .wp-block-table { width: min(100%, 1100px); max-width: none; }
@media (min-width: 1024px) {
  .sr-prose > .wp-block-columns { width: 1100px; }
}
.wp-block-column { flex: 1 1 220px; min-width: 0; }

/* ============================================================ responsive */
@media (max-width: 820px) {
  .sr-docs { grid-template-columns: 1fr; }
  .sr-docs__side { position: static; }
}
@media (max-width: 780px) {
  .sr-nav { gap: 1rem; font-size: .84rem; }
  .sr-nav > a:not(.sr-btn) { display: none; }
  .sr-chain__row { grid-template-columns: 2.6rem 1fr; gap: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .sr-wire, .sr-viz__wire { stroke-dasharray: none; opacity: .5; }
  .sr-tally { animation: none; }
  html { scroll-behavior: auto; }
}

@media print {
  .sr-header, .sr-footer, .sr-docs__side, .sr-canvas { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  h1, h2, h3 { color: #000; }
  .sr-hero__spectrum { background: none; -webkit-text-fill-color: #000; color: #000; }
}

/* ============================================================ hero backdrop
   Photography under a veil. The veil is load-bearing: it is what holds the
   headline at WCAG AA over a photograph, so it is not optional styling. */
.sr-hero--shot {
  position: relative; isolation: isolate; overflow: hidden;
  /* Photos need vertical room. Without a floor, a short hero crops the subject
     out entirely — SpectraRoute's operator shot showed only shadow. */
  /* min-height, NOT flex centring: making the hero a flex container turns
     .sr-container into a flex item, which shrinks to content and then centres
     itself via margin-inline:auto — dragging all the copy to the middle. */
  min-height: clamp(300px, 38vh, 420px);
  padding-block: clamp(2.8rem, 6vw, 4.4rem) clamp(2.2rem, 4vw, 3.2rem);
}
.sr-backdrop { position: absolute; inset: 0; z-index: -1; }
.sr-backdrop__img { width: 100%; height: 100%; object-fit: cover; /* object-position set inline per image */ }
.sr-backdrop__veil {
  position: absolute; inset: 0;
  /* ONE gradient, not two. Stacked layers multiply: the previous pair reached
     ~0.93 alpha even at its lightest stop and blacked the photo out entirely.
     Text lives in the left ~45% where alpha stays >=.88, so the headline's
     effective background is within a few percent of --sr-void and contrast is
     unchanged; the right side is left open so the image is actually visible. */
  background: linear-gradient(92deg,
    rgba(5,7,10,.96) 0%,
    rgba(5,7,10,.90) 34%,
    rgba(5,7,10,.55) 62%,
    rgba(5,7,10,.28) 86%,
    rgba(5,7,10,.34) 100%);
}
.sr-backdrop::after {
  /* Soft fade into the page below, kept separate and weak. */
  content: ''; position: absolute; inset: auto 0 0 0; height: 42%;
  background: linear-gradient(180deg, transparent, var(--sr-void));
}
.sr-hero--shot .sr-container { position: relative; }
@media (max-width: 760px) {
  /* Narrow screens put text over the middle of the frame, so go heavier. */
  .sr-backdrop__veil {
    background: linear-gradient(180deg, rgba(5,7,10,.9) 0%, rgba(5,7,10,.86) 55%, rgba(5,7,10,.95) 100%);
  }
}

/* ============================================================ AMP: depth
   A single very low-opacity grain layer over the whole page. Flat dark UI
   reads cheap because real screens and rooms have noise in them. */
body::before {
  content: ''; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: .028; mix-blend-mode: overlay;
  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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================ AMP: reveal
   Hidden state is gated on a class JS adds, so no-JS never hides content. */
.sr-reveal-ready .sr-reveal {
  opacity: 0; transform: translateY(14px);
  transition: opacity .55s cubic-bezier(.2,.7,.3,1) var(--sr-d, 0ms),
              transform .55s cubic-bezier(.2,.7,.3,1) var(--sr-d, 0ms);
}
.sr-reveal-ready .sr-reveal.is-in { opacity: 1; transform: none; }

/* ============================================================ AMP: strip identity */
.sr-strip { padding-top: 1rem; }
.sr-strip__glow {
  position: absolute; inset: -40% -30% auto -30%; height: 120%;
  background: radial-gradient(60% 55% at 20% 0%, var(--sr-strip-fill), transparent 70%);
  opacity: 0; transition: opacity .25s ease; pointer-events: none;
}
.sr-strip:hover .sr-strip__glow { opacity: .1; }
.sr-strip__id { display: flex; align-items: center; gap: .7rem; }
.sr-strip__icon {
  width: 46px; height: 46px; border-radius: 10px; flex: none;
  box-shadow: 0 6px 18px -8px rgba(0,0,0,.9);
}
.sr-strip__idtext { display: grid; gap: .1rem; min-width: 0; }
.sr-strip__mono {
  font-family: var(--sr-font-mono); font-size: .6rem; letter-spacing: .22em;
  color: var(--sr-strip-text); opacity: .75;
}

/* ============================================================ AMP: ticker */
.sr-ticker { margin-top: clamp(3rem, 7vw, 5.5rem); }
.sr-ticker__viewport {
  position: relative; overflow: hidden; padding-block: 1rem;
  border-block: 1px solid var(--sr-scrim);
  background: linear-gradient(180deg, var(--sr-deck), var(--sr-void));
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.sr-ticker__track { display: flex; width: max-content; animation: sr-marquee 42s linear infinite; }
.sr-ticker__list { display: flex; gap: 2.4rem; list-style: none; margin: 0; padding: 0 1.2rem; }
.sr-ticker__item {
  display: inline-flex; align-items: center; gap: .55rem; white-space: nowrap;
  font-family: var(--sr-font-mono); font-size: .82rem; color: var(--sr-text-muted);
}
.sr-ticker__dot { width: 5px; height: 5px; border-radius: 50%; flex: none; background: var(--sr-text-faint); }
.sr-ticker__item--syphon .sr-ticker__dot { background: var(--sr-fill-cyan); box-shadow: 0 0 7px var(--sr-fill-cyan); }
.sr-ticker__item--sdi .sr-ticker__dot { background: var(--sr-fill-magenta); box-shadow: 0 0 7px var(--sr-fill-magenta); }
.sr-ticker__item--network .sr-ticker__dot { background: var(--sr-fill-violet); box-shadow: 0 0 7px var(--sr-fill-violet); }
.sr-ticker__item--audio .sr-ticker__dot { background: var(--sr-fill-amber); box-shadow: 0 0 7px var(--sr-fill-amber); }
.sr-ticker:hover .sr-ticker__track { animation-play-state: paused; }
@keyframes sr-marquee { to { transform: translateX(-50%); } }

/* ============================================================ AMP: specs */
.sr-specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .7rem; }
.sr-spec {
  position: relative; display: grid; gap: .15rem; align-content: start;
  padding: 1.3rem 1.2rem;
  border: 1px solid var(--sr-scrim); border-radius: var(--sr-radius-lg);
  background: linear-gradient(180deg, var(--sr-deck), var(--sr-void));
  overflow: hidden;
}
.sr-spec::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--sr-line), transparent);
}
.sr-spec__n {
  font-family: var(--sr-font-display); font-size: clamp(2.1rem, 4.4vw, 3rem);
  font-weight: 800; font-stretch: 116%; letter-spacing: -.04em; line-height: 1;
  background: var(--sr-spectrum-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sr-spec__unit { font-family: var(--sr-font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--sr-text-muted); margin-top: .35rem; }
.sr-spec__note { font-size: .82rem; color: var(--sr-text-faint); }

/* ============================================================ AMP: app page identity */
.sr-appid { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.1rem; }
.sr-appid__icon {
  width: 68px; height: 68px; border-radius: 15px; flex: none;
  box-shadow: 0 14px 34px -14px rgba(0,0,0,.95);
}
.sr-appid__meta { display: grid; gap: .2rem; }
.sr-appid__mono { font-family: var(--sr-font-mono); font-size: .66rem; letter-spacing: .24em; color: var(--sr-hue-text); }

/* ============================================================ AMP: section glow */
.sr-section { position: relative; }
.sr-section--lit { overflow: hidden; }
.sr-section--lit::before {
  content: ''; position: absolute; left: 50%; top: -18%; translate: -50% 0;
  width: 70vw; max-width: 900px; aspect-ratio: 2/1; z-index: -1; pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%, rgba(124,92,255,.10), transparent 70%);
}

/* Decorative glows are absolutely positioned beyond the viewport edge on
   purpose; this guarantees they can never produce page-level horizontal scroll. */
html, body { overflow-x: clip; }

/* ============================================================ docs typography
   Marketing headings are expanded display type at up to 2.5rem. Inside reading
   documentation that is shouting — docs need a calmer, tighter scale. */
.sr-docs__main h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.sr-docs__main .sr-prose h2,
.sr-docs__main h2 {
  font-size: 1.24rem; font-stretch: 106%; font-weight: 700;
  letter-spacing: -.018em; margin-top: 2.1em; margin-bottom: .5em;
  padding-bottom: .4rem; border-bottom: 1px solid var(--sr-scrim);
}
.sr-docs__main h3 { font-size: 1.02rem; font-stretch: 104%; margin-top: 1.6em; }
.sr-docs__main p, .sr-docs__main li { font-size: .95rem; }
.sr-docs__main ol, .sr-docs__main ul { padding-left: 1.3rem; }
.sr-docs__main li { margin-bottom: .45em; }
.sr-docs__main code {
  font-family: var(--sr-font-mono); font-size: .86em;
  background: var(--sr-rail); color: var(--sr-text-cyan);
  padding: .12em .38em; border-radius: 3px;
}
.sr-docs__main strong { color: var(--sr-text-bright); }
.sr-docs__main a { color: var(--sr-hue-text); text-decoration: underline; text-underline-offset: 2px; }

.sr-footer__mark { display: inline-flex; align-items: center; gap: .55rem; }
.sr-footer__mark img { border-radius: 7px; }

/* ============================================================ blog
   Reading copy, so it borrows the calmer docs type scale rather than the
   marketing display scale. */
.sr-post { max-width: 760px; padding-block: clamp(2.4rem, 5vw, 3.6rem); }
.sr-post__head h1 { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: .6em; }
.sr-post__hero { margin: 0 0 2rem; border-radius: 8px; overflow: hidden; border: 1px solid var(--sr-scrim); }
.sr-post__hero img { width: 100%; height: auto; display: block; }
.sr-post__body { max-width: none; }
.sr-post__body h2 {
  font-size: 1.42rem; font-stretch: 108%; margin-top: 2.1em; margin-bottom: .5em;
  padding-bottom: .4rem; border-bottom: 1px solid var(--sr-scrim);
}
.sr-post__body h3 { font-size: 1.08rem; font-stretch: 104%; color: var(--sr-text-bright); margin-top: 1.7em; }
.sr-post__body p, .sr-post__body li { font-size: 1.02rem; line-height: 1.72; }
.sr-post__body a { color: var(--sr-text-cyan); text-decoration: underline; text-underline-offset: 2px; }
.sr-post__body img { border-radius: 6px; border: 1px solid var(--sr-scrim); margin-block: 1.4rem; }
.sr-post__body blockquote {
  margin: 1.6rem 0; padding: .2rem 0 .2rem 1.2rem;
  border-left: 2px solid var(--sr-fill-cyan); color: var(--sr-text-bright);
}
.sr-post__body strong { color: var(--sr-text-bright); }
.sr-post__tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 2.4rem; }
.sr-post__tag {
  font-family: var(--sr-font-mono); font-size: .68rem; letter-spacing: .06em;
  color: var(--sr-text-muted); border: 1px solid var(--sr-scrim);
  border-radius: 3px; padding: .18rem .5rem;
}
.sr-post__foot {
  display: flex; flex-wrap: wrap; gap: .6rem; justify-content: space-between;
  margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--sr-scrim);
}

.sr-posts { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: .8rem; }
.sr-postcard {
  display: grid; align-content: start;
  background: linear-gradient(180deg, var(--sr-deck), var(--sr-void));
  border: 1px solid var(--sr-scrim); border-radius: var(--sr-radius-lg);
  overflow: hidden; transition: border-color .18s ease, transform .18s ease;
}
.sr-postcard:hover { text-decoration: none; transform: translateY(-3px); border-color: var(--sr-line); }
.sr-postcard__img img { width: 100%; height: 168px; object-fit: cover; display: block; }
.sr-postcard__body { display: grid; gap: .4rem; padding: 1.1rem 1.15rem 1.25rem; }
.sr-postcard__date { font-family: var(--sr-font-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sr-text-faint); }
.sr-postcard__title { font-family: var(--sr-font-display); font-size: 1.06rem; font-weight: 700; font-stretch: 106%; letter-spacing: -.02em; line-height: 1.25; color: var(--sr-text-bright); }
.sr-postcard__excerpt { color: var(--sr-text-muted); font-size: .88rem; line-height: 1.55; }

.sr-pagination { margin-top: 2rem; font-family: var(--sr-font-mono); font-size: .82rem; }
.sr-pagination .page-numbers { padding: .4rem .7rem; border: 1px solid var(--sr-scrim); border-radius: 3px; margin-right: .3rem; color: var(--sr-text-muted); }
.sr-pagination .page-numbers.current { color: var(--sr-text-bright); border-color: var(--sr-line); }
.sr-post__related { margin-top: 3.4rem; padding-top: 1.8rem; border-top: 1px solid var(--sr-scrim); }
.sr-post__related .sr-postcard__img img { height: 120px; }
a.sr-post__tag { text-decoration: none; }
a.sr-post__tag:hover { color: var(--sr-text-bright); border-color: var(--sr-line); }