/* ============================================================
   OS Technologies Inc. — Design System 2026
   Single stylesheet. No framework, no build step.
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  /* Brand */
  --brand-ink:      #14102b;
  --brand-ink-2:    #1c1640;
  --brand-purple:   #322a63;
  --brand-purple-2: #4a3d92;
  --lime:           #a2db33;
  --lime-bright:    #c4f24d;
  --lime-deep:      #59781c;   /* AA on white and on --paper-2 (5.1:1 / 4.7:1) */
  --cyan:           #3fd0e0;

  /* Surfaces */
  --paper:    #ffffff;
  --paper-2:  #f5f7f2;
  --paper-3:  #eceee7;

  /* Text */
  --text:        #17142a;
  --text-muted:  #56536b;
  --text-invert: #ffffff;
  --text-invert-muted: rgba(255,255,255,.72);

  /* Effects */
  --radius-s: 10px;
  --radius:   18px;
  --radius-l: 28px;
  --radius-xl: 40px;
  --shadow-s: 0 2px 8px rgba(20,16,43,.06);
  --shadow:   0 14px 40px -12px rgba(20,16,43,.18);
  --shadow-l: 0 40px 90px -30px rgba(20,16,43,.35);
  --glow:     0 0 0 1px rgba(162,219,51,.35), 0 12px 44px -12px rgba(162,219,51,.45);

  /* Motion */
  --ease:      cubic-bezier(.22,.61,.36,1);
  --ease-out:  cubic-bezier(.16,1,.3,1);
  --dur:       .5s;

  /* Layout */
  --wrap: 1200px;
  --wrap-narrow: 820px;
  --gutter: clamp(1.15rem, 4vw, 2.75rem);

  /* Type */
  --font-display: "Space Grotesk", "Segoe UI Variable Display", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-body:    "Inter", "Segoe UI Variable Text", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace;

  /* Section theme defaults (light) */
  --sec-bg: var(--paper);
  --sec-text: var(--text);
  --sec-muted: var(--text-muted);
  --sec-line: rgba(20,16,43,.10);
  --sec-card: #ffffff;
  --sec-card-line: rgba(20,16,43,.09);
}

/* Dark section theme — set on any section via .theme-dark */
.theme-dark {
  --sec-bg: var(--brand-ink);
  --sec-text: var(--text-invert);
  --sec-muted: var(--text-invert-muted);
  --sec-line: rgba(255,255,255,.14);
  --sec-card: rgba(255,255,255,.045);
  --sec-card-line: rgba(255,255,255,.12);
  color-scheme: dark;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .18vw, 1.075rem);
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, picture, svg, video { display: block; max-width: 100%; }
/* width/height attributes are for CLS only — never let them fix the rendered height */
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
:target { scroll-margin-top: 110px; }

::selection { background: var(--lime); color: var(--brand-ink); }

/* Focus */
:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed; top: 0; left: 50%; translate: -50% -120%;
  z-index: 999; padding: .8rem 1.4rem;
  background: var(--lime); color: var(--brand-ink);
  font-weight: 700; border-radius: 0 0 12px 12px;
  transition: translate .25s var(--ease);
}
.skip-link:focus { translate: -50% 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.025em;
  text-wrap: balance;
}
h1, .h1 { font-size: clamp(2.4rem, 1.5rem + 4.2vw, 4.5rem); }
h2, .h2 { font-size: clamp(1.85rem, 1.25rem + 2.6vw, 3.1rem); }
h3, .h3 { font-size: clamp(1.25rem, 1.05rem + .9vw, 1.7rem); letter-spacing: -.018em; }
h4, .h4 { font-size: clamp(1.05rem, .98rem + .4vw, 1.25rem); letter-spacing: -.01em; }
p { text-wrap: pretty; }

.lead {
  font-size: clamp(1.08rem, 1rem + .5vw, 1.35rem);
  line-height: 1.55;
  color: var(--sec-muted);
}
.muted { color: var(--sec-muted); }

/* Eyebrow / kicker */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: .74rem; font-weight: 500;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--lime-deep);
  margin-bottom: 1.1rem;
}
.theme-dark .eyebrow { color: var(--lime); }
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: currentColor; opacity: .9;
}

/* Gradient text accent */
.grad {
  background: linear-gradient(102deg, var(--lime-bright) 5%, var(--cyan) 55%, var(--lime) 95%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: gradSlide 9s var(--ease) infinite alternate;
}
@keyframes gradSlide { to { background-position: 100% 0; } }

/* ---------- 4. Layout ---------- */
.wrap { width: min(100% - var(--gutter) * 2, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - var(--gutter) * 2, var(--wrap-narrow)); margin-inline: auto; }

.section {
  position: relative;
  background: var(--sec-bg);
  color: var(--sec-text);
  padding-block: clamp(4rem, 3rem + 6vw, 8.5rem);
  overflow: clip;
}
.section--tight { padding-block: clamp(3rem, 2.2rem + 3.5vw, 5rem); }
.section--alt { --sec-bg: var(--paper-2); }
.section p { color: var(--sec-muted); }
.section h1, .section h2, .section h3, .section h4 { color: var(--sec-text); }

.stack   { display: grid; gap: 1.15rem; }
.stack-s { display: grid; gap: .65rem; }
.stack-l { display: grid; gap: 2rem; }
.center  { text-align: center; margin-inline: auto; }
.center .eyebrow { justify-content: center; }

.grid { display: grid; gap: clamp(1.2rem, 1rem + 1.4vw, 2.2rem); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

.split {
  display: grid; align-items: center;
  gap: clamp(2rem, 1.5rem + 3vw, 4.5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--wide-text { grid-template-columns: 1.15fr .85fr; }
  .split--flip > *:first-child { order: 2; }
}

/* ---------- 5. Ambient decoration ---------- */
.aurora {
  position: absolute; inset: -30% -10%;
  pointer-events: none; z-index: 0;
  filter: blur(70px); opacity: .55;
}
.aurora span {
  position: absolute; display: block; border-radius: 50%;
  animation: drift 22s var(--ease) infinite alternate;
}
.aurora span:nth-child(1) { width: 46vw; height: 46vw; left: -6%; top: 8%;  background: radial-gradient(circle, rgba(162,219,51,.55), transparent 65%); }
.aurora span:nth-child(2) { width: 40vw; height: 40vw; right: -4%; top: 0;  background: radial-gradient(circle, rgba(63,208,224,.45), transparent 65%); animation-delay: -7s; }
.aurora span:nth-child(3) { width: 34vw; height: 34vw; left: 34%; bottom: -12%; background: radial-gradient(circle, rgba(74,61,146,.6), transparent 65%); animation-delay: -13s; }
@keyframes drift {
  from { transform: translate3d(0,0,0) scale(1); }
  to   { transform: translate3d(6%, -8%, 0) scale(1.18); }
}

.gridlines {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 25%, transparent 78%);
}
.section > .wrap, .section > .wrap-narrow { position: relative; z-index: 2; }

/* Diagonal top edge for dark→light transitions */
.edge-top::before {
  content: ""; position: absolute; inset: -1px 0 auto 0; height: clamp(40px, 5vw, 90px);
  background: var(--sec-bg);
  clip-path: polygon(0 0, 100% 100%, 100% 0);
  z-index: 3;
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed; inset: 0 auto auto 0; height: 3px; width: 100%;
  transform-origin: 0 50%; transform: scaleX(0); z-index: 200;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  pointer-events: none;
}

/* ---------- 6. Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding-block: clamp(.75rem, .6rem + .6vw, 1.2rem);
  transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  display: flex; align-items: center; gap: clamp(1rem, .6rem + 1.6vw, 2.4rem);
}
.site-header.is-stuck {
  padding-block: .55rem;
  background: rgba(20,16,43,.72);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  backdrop-filter: blur(18px) saturate(1.6);
  border-bottom-color: rgba(255,255,255,.1);
  box-shadow: 0 10px 40px -20px rgba(0,0,0,.8);
}
.site-header.is-hidden { transform: translateY(-102%); }
.site-header { transition-property: transform, padding, background, box-shadow, border-color; }

.brand { display: flex; align-items: center; flex: 0 0 auto; margin-right: auto; }
.brand img {
  height: clamp(30px, 26px + 1vw, 42px); width: auto;
  transition: height .35s var(--ease), filter .35s var(--ease);
}
.is-stuck .brand img { height: clamp(26px, 23px + .7vw, 34px); }
.brand:hover img { filter: drop-shadow(0 0 14px rgba(162,219,51,.55)); }

/* Nav */
.nav { display: none; }
.nav ul { display: flex; align-items: center; gap: clamp(.2rem, .6vw, .9rem); }
.nav a {
  position: relative; display: block;
  padding: .55rem .85rem; border-radius: 999px;
  font-size: .95rem; font-weight: 500;
  color: rgba(255,255,255,.82);
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav a::after {
  content: ""; position: absolute; left: 50%; bottom: .28rem;
  width: 0; height: 2px; border-radius: 2px; translate: -50% 0;
  background: var(--lime);
  transition: width .3s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 22px; }
.nav a[aria-current="page"] { color: #fff; }

.header-actions { display: flex; align-items: center; gap: .55rem; flex: 0 0 auto; }
.header-actions .nav-cta { display: none; }
@media (min-width: 700px) { .header-actions .nav-cta { display: inline-flex; } }

.lang-switch {
  display: inline-flex; align-items: center;
  padding: .38rem .8rem; border-radius: 999px;
  border: 1px solid rgba(162,219,51,.5);
  font-family: var(--font-mono); font-size: .74rem; font-weight: 500;
  letter-spacing: .1em; color: var(--lime);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.lang-switch:hover { background: var(--lime); color: var(--brand-ink); border-color: var(--lime); }

/* Burger */
.burger {
  /* flex column (not grid) so the bars keep their 7px pitch and cross cleanly */
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}
.burger span {
  display: block; width: 19px; height: 2px; border-radius: 2px; background: #fff;
  transition: transform .35s var(--ease), opacity .2s linear;
}
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 99;
  background: linear-gradient(160deg, var(--brand-ink) 0%, var(--brand-purple) 130%);
  display: grid; align-content: center; justify-items: start;
  padding: 6rem var(--gutter) 3rem;
  clip-path: circle(0% at calc(100% - 44px) 44px);
  transition: clip-path .6s var(--ease-out);
  visibility: hidden;
}
.drawer.is-open { clip-path: circle(150% at calc(100% - 44px) 44px); visibility: visible; }
.drawer ul { display: grid; gap: .35rem; width: 100%; }
.drawer nav a {
  display: block; padding: .5rem 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.3rem + 3.5vw, 3.2rem);
  font-weight: 600; letter-spacing: -.03em; color: #fff;
  opacity: 0; translate: 0 26px;
  transition: opacity .4s var(--ease), translate .5s var(--ease-out), color .2s;
}
.drawer.is-open nav a { opacity: 1; translate: 0 0; }
.drawer.is-open nav li:nth-child(1) a { transition-delay: .12s; }
.drawer.is-open nav li:nth-child(2) a { transition-delay: .19s; }
.drawer.is-open nav li:nth-child(3) a { transition-delay: .26s; }
.drawer.is-open nav li:nth-child(4) a { transition-delay: .33s; }
.drawer.is-open nav li:nth-child(5) a { transition-delay: .40s; }
.drawer nav a:hover, .drawer nav a[aria-current="page"] { color: var(--lime); }
.drawer .btn { font-size: 1rem; }
.drawer__meta {
  margin-top: 2rem; display: grid; gap: .4rem;
  font-size: .95rem; color: rgba(255,255,255,.7);
}
.drawer__meta a:hover { color: var(--lime); }
body.no-scroll { overflow: hidden; }

@media (min-width: 940px) {
  .nav { display: block; }
  .burger { display: none; }
  .drawer { display: none; }
}

/* Header on light pages before scroll */
.site-header--on-light:not(.is-stuck) .nav a { color: rgba(23,20,42,.78); }
.site-header--on-light:not(.is-stuck) .nav a:hover { color: var(--brand-ink); background: rgba(20,16,43,.06); }
.site-header--on-light:not(.is-stuck) .nav a[aria-current="page"] { color: var(--brand-ink); }
.site-header--on-light:not(.is-stuck) .burger { border-color: rgba(20,16,43,.18); background: rgba(20,16,43,.05); }
.site-header--on-light:not(.is-stuck) .burger span { background: var(--brand-ink); }
.site-header--on-light:not(.is-stuck) .lang-switch { color: var(--lime-deep); border-color: rgba(125,182,28,.55); }

/* ---------- 7. Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  gap: .6rem; padding: .92rem 1.6rem;
  border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-display); font-size: .97rem; font-weight: 600;
  letter-spacing: -.01em; white-space: nowrap;
  cursor: pointer; isolation: isolate; overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .3s var(--ease),
              background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn svg { width: 1.05em; height: 1.05em; flex: 0 0 auto; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: linear-gradient(100deg, var(--lime) 0%, var(--lime-bright) 100%);
  color: var(--brand-ink);
  box-shadow: 0 10px 30px -12px rgba(162,219,51,.75);
}
.btn--primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, #fff 0%, var(--lime-bright) 60%);
  opacity: 0; transition: opacity .3s var(--ease);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -14px rgba(162,219,51,.9); }
.btn--primary:hover::before { opacity: .35; }

.btn--ghost {
  border-color: var(--sec-line);
  color: var(--sec-text);
  background: transparent;
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(162,219,51,.1);
  color: var(--sec-text);
}
.theme-dark .btn--ghost, .hero .btn--ghost { border-color: rgba(255,255,255,.3); }

.btn--dark { background: var(--brand-ink); color: #fff; }
.btn--dark:hover { transform: translateY(-2px); background: var(--brand-purple); box-shadow: var(--shadow); }

.btn--lg { padding: 1.1rem 2rem; font-size: 1.03rem; }
.btn--sm { padding: .6rem 1.1rem; font-size: .88rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }
.center .btn-row { justify-content: center; }

/* Text link with animated arrow */
.link-arrow {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  color: var(--lime-deep);
  transition: gap .25s var(--ease), color .25s var(--ease);
}
.theme-dark .link-arrow { color: var(--lime); }
.link-arrow:hover { gap: .8rem; }
.link-arrow svg { width: 1em; height: 1em; }

/* ---------- 8. Hero ---------- */
.hero {
  /* hero always uses the dark token set */
  --sec-bg: var(--brand-ink);
  --sec-text: var(--text-invert);
  --sec-muted: var(--text-invert-muted);
  --sec-line: rgba(255,255,255,.2);
  --sec-card: rgba(255,255,255,.06);
  --sec-card-line: rgba(255,255,255,.14);
  color-scheme: dark;
  position: relative; isolation: isolate;
  color: #fff;
  min-height: min(94svh, 900px);
  display: grid; align-items: center;
  padding-block: clamp(8rem, 6rem + 8vw, 12rem) clamp(4rem, 3rem + 4vw, 7rem);
  background: var(--brand-ink);
  overflow: clip;
}
.hero--compact { min-height: min(70svh, 640px); }
.hero__media { position: absolute; inset: 0; z-index: -3; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(20,16,43,.86) 0%, rgba(20,16,43,.62) 42%, rgba(20,16,43,.95) 100%),
    linear-gradient(100deg, rgba(20,16,43,.92) 8%, rgba(20,16,43,.28) 62%);
}
.hero .aurora { z-index: -2; opacity: .38; }
.hero .gridlines { z-index: -1; }
.hero p { color: var(--text-invert-muted); }
.hero__inner { max-width: 60ch; }
.hero h1 { margin-bottom: 1.3rem; }
.hero .lead { max-width: 56ch; color: var(--text-invert-muted); }
.hero .btn-row { margin-top: 2.2rem; }

/* Kinetic headline: word-by-word rise */
.kinetic { display: inline-block; }
.kinetic .w {
  display: inline-block;
  animation: wordRise .9s var(--ease-out) both;
  animation-delay: calc(var(--i) * 70ms + 120ms);
}
@keyframes wordRise {
  from { opacity: 0; transform: translateY(.5em) rotate(1.5deg); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* Fade-in for hero supporting content */
.hero .lead, .hero .btn-row, .hero .eyebrow, .hero__badges {
  animation: fadeUp .9s var(--ease-out) both;
}
.hero .eyebrow   { animation-delay: .05s; }
.hero .lead      { animation-delay: .45s; }
.hero .btn-row   { animation-delay: .58s; }
.hero__badges    { animation-delay: .7s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

.hero__badges {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.2rem;
}
.pill {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .38rem .85rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-family: var(--font-mono); font-size: .73rem; letter-spacing: .06em;
  color: rgba(255,255,255,.88);
}
.pill::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime); box-shadow: 0 0 10px var(--lime);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* Scroll cue */
.scroll-cue {
  display: none;
  position: absolute; left: 50%; bottom: 1.6rem; translate: -50% 0; z-index: 3;
  display: grid; place-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em;
  text-transform: uppercase; color: rgba(255,255,255,.5);
}
.scroll-cue i {
  display: block; width: 1px; height: 42px;
  background: linear-gradient(180deg, transparent, var(--lime));
  animation: cue 2s var(--ease) infinite;
}
@keyframes cue { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56%,100% { transform: scaleY(0); transform-origin: bottom; } }
@media (min-width: 940px) and (min-height: 720px) { .scroll-cue { display: grid; } }

/* ---------- 9. Marquee (standards ticker) ---------- */
.marquee {
  position: relative; overflow: hidden;
  padding-block: 1.15rem;
  border-block: 1px solid var(--sec-line);
  background: var(--sec-bg);
}
/* Edge fades painted over the track (keeps the band's own background intact) */
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: clamp(40px, 9%, 160px);
  z-index: 2; pointer-events: none;
}
.marquee::before { left: 0;  background: linear-gradient(90deg,  var(--sec-bg), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--sec-bg), transparent); }
.marquee__track {
  display: flex; width: max-content; gap: 0;
  animation: scrollX 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__group {
  display: flex; align-items: center; gap: 2.6rem; padding-right: 2.6rem;
  font-family: var(--font-mono); font-size: .84rem;
  letter-spacing: .04em; color: var(--sec-muted); white-space: nowrap;
}
.marquee__group span { display: inline-flex; align-items: center; gap: 2.6rem; }
.marquee__group span::after {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--lime); opacity: .8;
}
@keyframes scrollX { to { transform: translateX(-50%); } }

/* ---------- 10. Cards ---------- */
.card {
  position: relative; isolation: isolate;
  display: grid; gap: .9rem;
  padding: clamp(1.4rem, 1.1rem + 1vw, 2.1rem);
  border-radius: var(--radius-l);
  background: var(--sec-card);
  border: 1px solid var(--sec-card-line);
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
  overflow: hidden;
}
.theme-dark .card { -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(162,219,51,.16), transparent 62%);
  transition: opacity .4s var(--ease);
}
.card:hover { transform: translateY(-7px); border-color: rgba(162,219,51,.45); box-shadow: var(--shadow); }
.theme-dark .card:hover { box-shadow: 0 26px 60px -28px rgba(0,0,0,.9), 0 0 0 1px rgba(162,219,51,.25); }
.card:hover::before { opacity: 1; }
.card p { color: var(--sec-muted); margin: 0; }
.card .link-arrow { margin-top: auto; padding-top: .3rem; }

.card__media {
  margin: calc(-1 * clamp(1.4rem, 1.1rem + 1vw, 2.1rem));
  margin-bottom: .35rem;
  aspect-ratio: 16 / 10; overflow: hidden;
  border-bottom: 1px solid var(--sec-card-line);
}
.card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .8s var(--ease-out), filter .5s var(--ease);
}
.card:hover .card__media img { transform: scale(1.07); }

.card__icon {
  display: grid; place-items: center;
  width: 52px; height: 52px; border-radius: 16px;
  background: linear-gradient(140deg, rgba(162,219,51,.22), rgba(63,208,224,.14));
  border: 1px solid rgba(162,219,51,.32);
  color: var(--lime-deep);
  transition: transform .45s var(--ease-out), background .3s;
}
.theme-dark .card__icon { color: var(--lime); }
.card:hover .card__icon { transform: rotate(-6deg) scale(1.06); }
.card__icon svg { width: 25px; height: 25px; }

.card__num {
  font-family: var(--font-mono); font-size: .74rem;
  letter-spacing: .16em; color: var(--lime-deep); opacity: .9;
}
.theme-dark .card__num { color: var(--lime); }

/* Bento grid */
.bento { display: grid; gap: clamp(1rem, .8rem + 1vw, 1.6rem); grid-template-columns: 1fr; }
@media (min-width: 760px)  { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .bento { grid-template-columns: repeat(3, 1fr); } }
.bento .span-2 { grid-column: span 1; }
@media (min-width: 760px) { .bento .span-2 { grid-column: span 2; } }

/* ---------- 11. Stats / counters ---------- */
.stats {
  display: grid; gap: clamp(1rem, .8rem + 1vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr));
}
.stat {
  padding: 1.4rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--sec-card-line);
  background: var(--sec-card);
  text-align: center;
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 1.5rem + 2.4vw, 3.3rem);
  font-weight: 600; line-height: 1; letter-spacing: -.04em;
  background: linear-gradient(150deg, var(--lime-bright), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section:not(.theme-dark) .stat__num {
  background: linear-gradient(150deg, var(--lime-deep), var(--brand-purple-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label {
  margin-top: .55rem; font-size: .85rem; line-height: 1.4;
  color: var(--sec-muted);
}

/* ---------- 12. Timeline ---------- */
.timeline { position: relative; display: grid; gap: clamp(1.8rem, 1.4rem + 1.5vw, 3rem); padding-left: 2.2rem; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: .5rem; bottom: .5rem; width: 2px;
  background: var(--sec-line);
}
.timeline::after {
  content: ""; position: absolute; left: 7px; top: .5rem; width: 2px;
  height: var(--progress, 0%);
  background: linear-gradient(180deg, var(--lime), var(--cyan));
  transition: height .2s linear;
}
.tl-item { position: relative; }
.tl-item::before {
  content: ""; position: absolute; left: calc(-2.2rem + 1px); top: .55rem;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--sec-bg); border: 2px solid var(--lime);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--lime) 18%, transparent);
}
.tl-item__year {
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .12em;
  color: var(--lime-deep); margin-bottom: .3rem;
}
.theme-dark .tl-item__year { color: var(--lime); }
.tl-item h3 { margin-bottom: .5rem; }

/* ---------- 13. Feature media ---------- */
.media-frame {
  position: relative; border-radius: var(--radius-l); overflow: hidden;
  box-shadow: var(--shadow-l);
  transform: perspective(1400px) rotateY(-3deg) rotateX(1.5deg);
  transition: transform .8s var(--ease-out);
}
.media-frame:hover { transform: perspective(1400px) rotateY(0) rotateX(0) translateY(-4px); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.16);
  background: linear-gradient(140deg, rgba(162,219,51,.12), transparent 45%);
}
.media-frame--flat { transform: none; }
.media-frame--flat:hover { transform: translateY(-4px); }

.media-plain {
  border-radius: var(--radius-l); overflow: hidden;
  box-shadow: var(--shadow);
}
.media-plain img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .9s var(--ease-out); }
.media-plain:hover img { transform: scale(1.04); }

/* Floating stat badge over media */
.media-wrap { position: relative; }
.float-badge {
  position: absolute; right: -12px; bottom: -18px;
  padding: 1rem 1.3rem; border-radius: var(--radius);
  background: var(--brand-ink); color: #fff;
  border: 1px solid rgba(162,219,51,.35);
  box-shadow: var(--shadow-l);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.float-badge strong {
  display: block; font-family: var(--font-display);
  font-size: 1.7rem; line-height: 1; color: var(--lime);
}
.float-badge span { font-size: .78rem; color: rgba(255,255,255,.7); }

/* ---------- 14. Checklist ---------- */
.checks { display: grid; gap: .8rem; }
.checks li {
  display: grid; grid-template-columns: 24px 1fr; gap: .8rem; align-items: start;
  color: var(--sec-muted);
}
.checks li::before {
  content: ""; width: 22px; height: 22px; border-radius: 50%; margin-top: .18rem;
  background: rgba(162,219,51,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2359781c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 13px no-repeat;
  border: 1px solid rgba(162,219,51,.4);
}
.theme-dark .checks li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a2db33' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}

/* Tag chips */
.tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag {
  padding: .38rem .8rem; border-radius: 8px;
  border: 1px solid var(--sec-card-line);
  background: var(--sec-card);
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .03em;
  color: var(--sec-muted);
  transition: transform .25s var(--ease), border-color .25s, color .25s, background .25s;
}
.tag:hover {
  transform: translateY(-3px);
  border-color: var(--lime); color: var(--sec-text);
  background: rgba(162,219,51,.12);
}

/* ---------- 15. Quote ---------- */
.quote {
  --sec-text: var(--text-invert);
  --sec-muted: var(--text-invert-muted);
  color-scheme: dark;
  position: relative;
  padding: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(140deg, var(--brand-purple) 0%, var(--brand-ink) 70%);
  color: #fff; overflow: hidden;
}
.quote::before {
  content: "\201C"; position: absolute; top: -2rem; left: 1.2rem;
  font-family: var(--font-display); font-size: 11rem; line-height: 1;
  color: rgba(162,219,51,.18);
}
.quote blockquote {
  position: relative; font-family: var(--font-display);
  font-size: clamp(1.25rem, 1rem + 1.4vw, 2rem); font-weight: 500;
  line-height: 1.3; letter-spacing: -.02em; text-wrap: balance;
}
.quote figcaption {
  margin-top: 1.3rem; font-size: .88rem; color: rgba(255,255,255,.65);
  font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
}

/* ---------- 16. CTA band ---------- */
.cta-band {
  /* dark surface: re-declare tokens so nested components invert correctly */
  --sec-bg: var(--brand-ink);
  --sec-text: var(--text-invert);
  --sec-muted: var(--text-invert-muted);
  --sec-line: rgba(255,255,255,.22);
  --sec-card: rgba(255,255,255,.06);
  --sec-card-line: rgba(255,255,255,.14);
  color-scheme: dark;
  position: relative; overflow: clip;
  border-radius: var(--radius-xl);
  padding: clamp(2.2rem, 1.6rem + 3vw, 4.5rem);
  background: linear-gradient(115deg, var(--brand-purple) 0%, var(--brand-ink) 62%);
  color: #fff; text-align: center;
  box-shadow: var(--shadow-l);
}
.cta-band .aurora { opacity: .4; }
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; margin-bottom: 1rem; }
.cta-band p { color: rgba(255,255,255,.75); max-width: 58ch; margin-inline: auto; }
.cta-band .btn-row { margin-top: 2rem; justify-content: center; }
.cta-band .btn--ghost { border-color: rgba(255,255,255,.3); color: #fff; }

/* ---------- 17. Forms ---------- */
.form { display: grid; gap: 1.1rem; }
.field { position: relative; display: grid; }
.field label {
  font-size: .82rem; font-weight: 600; letter-spacing: .02em;
  margin-bottom: .45rem; color: var(--sec-text);
}
.field input, .field textarea {
  width: 100%; padding: .95rem 1.05rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--sec-card-line);
  background: var(--sec-card);
  color: var(--sec-text);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: color-mix(in srgb, currentColor 45%, transparent); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(162,219,51,.18);
}
.honey { position: absolute; left: -9999px; opacity: 0; }
.form__status {
  padding: .85rem 1.1rem; border-radius: var(--radius-s);
  font-size: .92rem; display: none;
}
.form__status.is-ok  { display: block; background: rgba(162,219,51,.14); border: 1px solid rgba(162,219,51,.45); color: var(--sec-text); }
.form__status.is-err { display: block; background: rgba(224,76,76,.12); border: 1px solid rgba(224,76,76,.4); color: var(--sec-text); }
.btn.is-loading { pointer-events: none; opacity: .7; }
.btn.is-loading::after {
  content: ""; width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Contact info blocks */
.info-list { display: grid; gap: 1rem; }
.info-item {
  display: grid; grid-template-columns: 46px 1fr; gap: 1rem; align-items: center;
  padding: 1rem 1.15rem; border-radius: var(--radius);
  border: 1px solid var(--sec-card-line); background: var(--sec-card);
  transition: transform .3s var(--ease), border-color .3s;
}
.info-item:hover { transform: translateX(5px); border-color: rgba(162,219,51,.45); }
.info-item__icon {
  display: grid; place-items: center; width: 46px; height: 46px;
  border-radius: 14px; background: rgba(162,219,51,.14);
  border: 1px solid rgba(162,219,51,.3); color: var(--lime-deep);
}
.theme-dark .info-item__icon { color: var(--lime); }
.info-item__icon svg { width: 21px; height: 21px; }
.info-item dt { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sec-muted); }
.info-item dd { font-weight: 600; color: var(--sec-text); }

/* ---------- 18. Footer ---------- */
.site-footer {
  --sec-bg: var(--brand-ink); --sec-text: #fff;
  --sec-muted: rgba(255,255,255,.6); --sec-line: rgba(255,255,255,.12);
  position: relative; overflow: clip;
  background: var(--brand-ink); color: #fff;
  padding-block: clamp(3rem, 2.4rem + 3vw, 5rem) 2rem;
}
.site-footer .aurora { opacity: .18; }
.site-footer__grid {
  position: relative; z-index: 2;
  display: grid; gap: 2.2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 780px) { .site-footer__grid { grid-template-columns: 1.5fr 1fr 1.2fr; } }
.site-footer img.logo { height: 38px; width: auto; margin-bottom: 1rem; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.68); font-size: .93rem; }
.site-footer a:hover { color: var(--lime); }
.site-footer .ft-h {
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.45); margin-bottom: .9rem; font-family: var(--font-mono); font-weight: 500;
}
.site-footer ul { display: grid; gap: .5rem; }
.site-footer__bottom {
  position: relative; z-index: 2;
  margin-top: 2.6rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  font-size: .85rem; color: rgba(255,255,255,.45);
}
.social { display: flex; gap: .6rem; }
.social a {
  display: grid; place-items: center; width: 40px; height: 40px;
  border-radius: 12px; border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  transition: transform .3s var(--ease), background .3s, border-color .3s;
}
.social a { color: #fff; transition: transform .3s var(--ease), background .3s, border-color .3s, color .3s; }
.social a:hover { transform: translateY(-3px); background: var(--lime); border-color: var(--lime); color: var(--brand-ink); }
.social svg { width: 18px; height: 18px; }

/* ---------- 19. Back to top ---------- */
.to-top {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90;
  display: grid; place-items: center; width: 48px; height: 48px;
  border-radius: 50%; background: var(--brand-ink); color: #fff;
  border: 1px solid rgba(162,219,51,.4);
  box-shadow: var(--shadow);
  opacity: 0; translate: 0 16px; pointer-events: none;
  transition: opacity .35s var(--ease), translate .35s var(--ease), background .3s;
}
.to-top.is-visible { opacity: 1; translate: 0 0; pointer-events: auto; }
.to-top:hover { background: var(--lime); color: var(--brand-ink); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 20. Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="zoom"]  { transform: scale(.94); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* Stagger helper */
[data-stagger] > * { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-stagger].is-in > * { opacity: 1; transform: none; }
[data-stagger].is-in > *:nth-child(1) { transition-delay: .05s; }
[data-stagger].is-in > *:nth-child(2) { transition-delay: .14s; }
[data-stagger].is-in > *:nth-child(3) { transition-delay: .23s; }
[data-stagger].is-in > *:nth-child(4) { transition-delay: .32s; }
[data-stagger].is-in > *:nth-child(5) { transition-delay: .41s; }
[data-stagger].is-in > *:nth-child(6) { transition-delay: .50s; }

/* Parallax layer */
[data-parallax] { will-change: transform; }

/* ---------- 21. Motion & print safety ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal], [data-stagger] > * { opacity: 1 !important; transform: none !important; }
  .media-frame { transform: none; }
  .marquee__track { animation: none; }
}

@media print {
  .site-header, .drawer, .to-top, .scroll-progress, .scroll-cue, .marquee { display: none !important; }
  .hero { min-height: auto; color: #000; background: #fff; }
  .hero__media { display: none; }
  body { color: #000; background: #fff; }
  [data-reveal], [data-stagger] > * { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   22. Plug&Prove — sub-brand of OS Technologies Inc.
   Signature colour: signal cyan. Applied by adding .brand-pp
   to a section (or <body> for the whole page).
   ============================================================ */
.brand-pp {
  --pp:        #3fd0e0;
  --pp-bright: #5fe0ea;
  --pp-deep:   #257982;   /* AA on white and on --paper-2 (5.1:1 / 4.7:1) */
  --pp-ink:    #08222c;
}

/* On a Plug&Prove page the accent roles swap: cyan leads, lime supports */
.brand-pp .eyebrow { color: var(--pp-deep); }
.brand-pp.theme-dark .eyebrow,
.theme-dark.brand-pp .eyebrow { color: var(--pp); }
.brand-pp .grad {
  background: linear-gradient(102deg, var(--pp-bright) 0%, var(--lime-bright) 55%, var(--pp) 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-pp .btn--primary {
  background: linear-gradient(100deg, var(--pp) 0%, var(--pp-bright) 100%);
  color: var(--pp-ink);
  box-shadow: 0 10px 30px -12px rgba(63,208,224,.75);
}
.brand-pp .btn--primary:hover { box-shadow: 0 18px 42px -14px rgba(63,208,224,.9); }
.brand-pp .btn--ghost:hover { border-color: var(--pp); background: rgba(63,208,224,.12); }
.brand-pp .card:hover { border-color: rgba(63,208,224,.5); }
.brand-pp .card::before {
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(63,208,224,.18), transparent 62%);
}
.brand-pp .card__icon {
  background: linear-gradient(140deg, rgba(63,208,224,.22), rgba(162,219,51,.14));
  border-color: rgba(63,208,224,.34);
  color: var(--pp-deep);
}
.brand-pp.theme-dark .card__icon, .theme-dark.brand-pp .card__icon { color: var(--pp); }
.brand-pp .card__num, .brand-pp .tl-item__year { color: var(--pp-deep); }
.brand-pp.theme-dark .card__num, .theme-dark.brand-pp .card__num { color: var(--pp); }
.brand-pp .link-arrow { color: var(--pp-deep); }
.brand-pp.theme-dark .link-arrow, .theme-dark.brand-pp .link-arrow { color: var(--pp); }
.brand-pp .stat__num { background: linear-gradient(150deg, var(--pp-bright), var(--lime-bright)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-pp:not(.theme-dark) .stat__num { background: linear-gradient(150deg, var(--pp-deep), var(--brand-purple-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-pp .pill::before { background: var(--pp); box-shadow: 0 0 10px var(--pp); }
.brand-pp .tag:hover { border-color: var(--pp); background: rgba(63,208,224,.12); }
.brand-pp .checks li::before {
  background-color: rgba(63,208,224,.16); border-color: rgba(63,208,224,.4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23257982' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}
.brand-pp.theme-dark .checks li::before, .theme-dark.brand-pp .checks li::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233fd0e0' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
}
.brand-pp .aurora span:nth-child(2) { background: radial-gradient(circle, rgba(63,208,224,.6), transparent 65%); }
.brand-pp .cta-band { background: linear-gradient(115deg, #14384a 0%, var(--brand-ink) 62%); }

/* ---- Lockup: mark + wordmark + endorsement ---- */
.pp-lockup {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none; line-height: 1;
}
.pp-lockup__mark { width: auto; flex: 0 0 auto; height: 2.6em; }
.pp-lockup__text { display: grid; gap: .22em; }
.pp-lockup__name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1em; letter-spacing: -.035em; white-space: nowrap;
  color: currentColor;
}
.pp-lockup__name i {  /* the ampersand */
  font-style: normal;
  background: linear-gradient(120deg, var(--lime, #a2db33), var(--pp, #3fd0e0));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-inline: .02em;
}
.pp-lockup__by {
  font-family: var(--font-mono);
  font-size: .3em; letter-spacing: .17em; text-transform: uppercase;
  opacity: .62; white-space: nowrap;
}
.pp-lockup--lg { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.1rem); }
.pp-lockup--md { font-size: 1.5rem; }
.pp-lockup--sm { font-size: 1.05rem; }

/* Inline brand chip, for pointing at Plug&Prove from other pages */
.pp-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem .4rem .5rem; border-radius: 999px;
  border: 1px solid rgba(63,208,224,.4);
  background: rgba(63,208,224,.1);
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .08em;
  color: var(--sec-text);
  transition: transform .25s var(--ease), background .25s, border-color .25s;
}
.pp-chip:hover { transform: translateY(-2px); background: rgba(63,208,224,.2); border-color: #3fd0e0; }
.pp-chip img { height: 24px; width: auto; }

/* ---- Session sequence (the technical layer) ---- */
.seq { display: grid; gap: 0; counter-reset: seq; }
.seq__row {
  display: grid; grid-template-columns: 2.6rem 1fr; gap: 1rem;
  padding: 1rem 0; border-top: 1px solid var(--sec-line);
  align-items: start;
}
.seq__row:last-child { border-bottom: 1px solid var(--sec-line); }
.seq__n {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .05em;
  color: var(--pp, #3fd0e0); padding-top: .2rem;
}
.seq__body { display: grid; gap: .3rem; }
.seq__name { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; }
.seq__name span {
  display: block; margin-top: .3rem;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 400;
  letter-spacing: .03em; opacity: .68; overflow-wrap: anywhere;
}
.seq__row p { margin: 0; font-size: .94rem; }
.seq__row:hover .seq__n { color: var(--lime); }
@media (min-width: 820px) {
  .seq__row { align-items: start; }
  .seq__body { display: grid; grid-template-columns: 17rem 1fr; gap: 2rem; align-items: start; }
  .seq__row p { grid-column: 2; }
}

/* ---- Deliverable list ---- */
.deliver { display: grid; gap: .9rem; }
.deliver li {
  display: grid; grid-template-columns: auto 1fr; gap: .9rem; align-items: start;
  padding: 1rem 1.2rem; border-radius: var(--radius);
  border: 1px solid var(--sec-card-line); background: var(--sec-card);
  transition: transform .3s var(--ease), border-color .3s;
}
.deliver li:hover { transform: translateX(5px); border-color: rgba(63,208,224,.45); }
.deliver b { font-family: var(--font-display); font-weight: 600; display: block; margin-bottom: .15rem; }
.deliver p { margin: 0; font-size: .93rem; }
.deliver .n {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--pp, #3fd0e0); padding-top: .28rem;
}