/* ==========================================================================
   Kinergon — kinergon.com landing page
   Every colour, size, radius, spacing step and easing curve below comes from
   the brand kit. Local variables are derived, never invented.
   State: Kinetic Blue (default / corporate). Surfaces: dark.
   ========================================================================== */

:root {
  /* derived layout + motion values (BRAND-IDENTITY.md §9) */
  --kg-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --kg-dur-entry: 180ms;
  --kg-dur-exit: 120ms;
  --kg-dur-state: 240ms;
  --kg-dur-data: 400ms;

  --shell: 1200px;
  --gutter: var(--kg-space-5);          /* 24px */
  --hairline: rgba(199, 206, 220, 0.10); /* neutral-200 @ 10% */
  --hairline-strong: rgba(199, 206, 220, 0.16);
}

/* --------------------------------------------------------------- reset -- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--kg-base);
  color: var(--kg-neutral-300);
}

img, svg { max-width: 100%; }
img { display: block; }
[hidden] { display: none !important; }

h1, h2, h3, h4 { color: var(--kg-neutral-000); margin: 0; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--kg-primary); color: var(--kg-on-primary); }

:focus-visible {
  outline: 2px solid var(--kg-accent);   /* accent = focus ring, §5 */
  outline-offset: 3px;
  border-radius: var(--kg-radius-xs);
}

.skip {
  position: absolute; left: var(--kg-space-4); top: -100px; z-index: 100;
  background: var(--kg-primary); color: var(--kg-on-primary);
  padding: var(--kg-space-3) var(--kg-space-5);
  border-radius: var(--kg-radius-sm);
  font-weight: 600;
  transition: top var(--kg-dur-entry) var(--kg-ease);
}
.skip:focus { top: var(--kg-space-4); }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ------------------------------------------------------- shared elements -- */

.kg-eyebrow { color: var(--kg-neutral-400); margin: 0; }

.eyebrow-dot { display: inline-flex; align-items: center; gap: var(--kg-space-3); }
.eyebrow-dot::before {
  content: "";
  width: 6px; height: 6px; border-radius: var(--kg-radius-pill);
  background: var(--kg-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--kg-accent) 18%, transparent);
}

.btn {
  --btn-py: var(--kg-space-3);
  --btn-px: var(--kg-space-5);
  display: inline-flex; align-items: center; gap: var(--kg-space-2);
  padding: var(--btn-py) var(--btn-px);
  border: 1px solid transparent;
  border-radius: var(--kg-radius-md);
  font-family: var(--kg-font-text);
  font-size: var(--kg-text-sm);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color var(--kg-dur-state) var(--kg-ease),
    border-color var(--kg-dur-state) var(--kg-ease),
    transform var(--kg-dur-state) var(--kg-ease),
    box-shadow var(--kg-dur-state) var(--kg-ease);
}
.btn-sm { --btn-py: 9px; --btn-px: var(--kg-space-4); }

.btn-primary {
  background: var(--kg-primary);
  color: var(--kg-on-primary);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .14) inset;
}
/* motion follows the mark: forward and up (+x, -y) */
.btn-primary:hover { transform: translate(2px, -2px); box-shadow: 0 8px 24px -12px var(--kg-primary); }
.btn-primary:active { transform: translate(0, 0); }

.btn-ghost {
  background: transparent;
  color: var(--kg-neutral-000);
  border-color: var(--hairline-strong);
}
.btn-ghost:hover { border-color: var(--kg-neutral-400); transform: translate(2px, -2px); }

.arrow { transition: transform var(--kg-dur-state) var(--kg-ease); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-play .play {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: var(--kg-radius-pill);
  background: var(--kg-surface-raised);
  border: 1px solid var(--hairline-strong);
}
.btn-play .play::after {
  content: "";
  width: 0; height: 0;
  margin-left: 2px;
  border-left: 6px solid var(--kg-neutral-000);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* section rhythm */
.section { padding-block: var(--kg-space-9); }        /* 96px */
.section-head { max-width: 62ch; margin-bottom: var(--kg-space-7); }
.section-head.narrow { max-width: 52ch; }
.section-head h2 { margin-top: var(--kg-space-3); }
.section-lede {
  margin-top: var(--kg-space-4);
  font-size: var(--kg-text-md);
  line-height: var(--kg-leading-md);
  max-width: 68ch;
}

/* ---------------------------------------------------------------- header -- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--kg-dur-state) var(--kg-ease),
    border-color var(--kg-dur-state) var(--kg-ease);
}
.site-header.is-stuck {
  background: color-mix(in srgb, var(--kg-base) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
}

.header-inner {
  display: flex; align-items: center; gap: var(--kg-space-6);
  height: 72px;
}
.brand { display: flex; align-items: center; }
.brand img {
  height: 30px; width: auto;
  transition: opacity var(--kg-dur-state) var(--kg-ease);
}
.brand:hover img { opacity: .82; }

.nav {
  display: flex; align-items: center; gap: var(--kg-space-6);
  margin-inline-start: var(--kg-space-4);
  margin-inline-end: auto;
  font-size: var(--kg-text-sm);
  font-weight: 500;
}
.nav a { color: var(--kg-neutral-300); position: relative; padding-block: var(--kg-space-2); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1.5px; background: var(--kg-primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--kg-dur-state) var(--kg-ease);
}
.nav a:hover { color: var(--kg-neutral-000); }
.nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: var(--kg-space-3); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--kg-radius-sm);
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 16px; height: 1.5px; margin: 3px auto;
  background: var(--kg-neutral-000);
  transition: transform var(--kg-dur-state) var(--kg-ease);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child  { transform: translateY(-4.5px) rotate(-45deg); }

.mobile-nav {
  display: grid;
  gap: var(--kg-space-1);
  padding: var(--kg-space-4) var(--gutter) var(--kg-space-5);
  background: var(--kg-surface);
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav a {
  padding: var(--kg-space-3) 0;
  color: var(--kg-neutral-300);
  font-weight: 500;
  border-bottom: 1px solid var(--hairline);
}
.mobile-nav a:last-child { border-bottom: 0; color: var(--kg-neutral-000); }

/* ------------------------------------------------------------------ hero -- */

.hero { position: relative; padding-block: var(--kg-space-9) var(--kg-space-10); overflow: hidden; }

.hero-field { position: absolute; inset: 0; pointer-events: none; }

.hero-glow {
  position: absolute;
  top: -30%; left: 50%; width: min(1100px, 120%); aspect-ratio: 1;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 62% 38%, color-mix(in srgb, var(--kg-primary) 30%, transparent) 0%, transparent 46%),
    radial-gradient(circle at 34% 62%, color-mix(in srgb, var(--kg-accent) 14%, transparent) 0%, transparent 42%);
  filter: blur(40px);
  opacity: .55;
}

/* 8px layout grid, faded out — the engineering underneath the surface */
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 25%, #000 0%, transparent 78%);
  opacity: .5;
}

.hero-mark {
  position: absolute;
  right: -12%; top: 6%;
  width: min(760px, 68vw);
  opacity: .06;
  transform: rotate(-4deg);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--kg-space-9);
  align-items: center;
}

.hero-copy h1 {
  margin-top: var(--kg-space-5);
  font-size: clamp(35px, 4.6vw, var(--kg-text-5xl));
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 800;                     /* hero display, §7 */
}
.accent-word {
  background: var(--kg-gradient-mark);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin-top: var(--kg-space-5);
  max-width: 60ch;                      /* measure 60–75, §7 */
  font-size: var(--kg-text-md);
  line-height: var(--kg-leading-md);
  color: var(--kg-neutral-300);
}

.hero-cta { display: flex; flex-wrap: wrap; gap: var(--kg-space-3); margin-top: var(--kg-space-6); }

.hero-note {
  margin-top: var(--kg-space-6);
  padding-top: var(--kg-space-5);
  border-top: 1px solid var(--hairline);
  font-size: var(--kg-text-sm);
  color: var(--kg-neutral-500);
}

/* -------------------------------------------------------- live state panel -- */

.panel {
  background: var(--kg-surface);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--kg-radius-xl);
  padding: var(--kg-space-5);
  box-shadow: 0 32px 80px -40px rgba(0, 0, 0, .9);
}

.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: var(--kg-space-4);
  border-bottom: 1px solid var(--hairline);
}

.pulse {
  width: 8px; height: 8px; border-radius: var(--kg-radius-pill);
  background: var(--kg-accent);                        /* live data = accent */
  animation: pulse 2.4s var(--kg-ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--kg-accent) 55%, transparent); }
  50%      { box-shadow: 0 0 0 7px color-mix(in srgb, var(--kg-accent) 0%, transparent); }
}

.panel-caption {
  padding-block: var(--kg-space-4);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}

/* the module roster: the configurability claim, shown rather than asserted */
.modules-list {
  display: grid;
  padding-bottom: var(--kg-space-4);
  border-bottom: 1px solid var(--hairline);
}
.mod {
  display: flex; align-items: center; gap: var(--kg-space-4);
  padding-block: var(--kg-space-3);
  border-top: 1px solid var(--hairline);
  font-size: var(--kg-text-sm);
}
.mod-name { flex: 1; min-width: 0; }
.mod-state {
  flex: none;
  font-family: var(--kg-font-data);
  font-size: var(--kg-text-xs);
  letter-spacing: 0.04em;
  padding: 3px var(--kg-space-3);
  border-radius: var(--kg-radius-pill);
  border: 1px solid transparent;
}

.mod.is-on .mod-name { color: var(--kg-neutral-000); }
.mod.is-on .mod-state {
  color: var(--kg-accent);
  border-color: color-mix(in srgb, var(--kg-accent) 38%, transparent);
  background: color-mix(in srgb, var(--kg-accent) 10%, transparent);
}

.mod.is-off .mod-name { color: var(--kg-neutral-500); }
.mod.is-off .mod-state { color: var(--kg-neutral-500); border-color: var(--hairline-strong); }

.mod.is-next .mod-name { color: var(--kg-neutral-400); }
.mod.is-next .mod-state { color: var(--kg-neutral-400); border-color: var(--hairline-strong); }

.panel-foot {
  display: flex; align-items: center; gap: var(--kg-space-2);
  padding-top: var(--kg-space-4);
  font-size: var(--kg-text-xs);
  color: var(--kg-neutral-400);
}
.dot { width: 6px; height: 6px; border-radius: var(--kg-radius-pill); }
.dot-ok { background: var(--kg-success); }
.panel-time { margin-left: auto; }

/* ----------------------------------------------------------------- beats -- */

.beats { border-top: 1px solid var(--hairline); }

.beat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--kg-space-5);
}
.beat {
  position: relative;
  padding-top: var(--kg-space-5);
  border-top: 2px solid var(--hairline-strong);
}
/* the rail fills in as the eye moves along the loop */
.beat::before {
  content: ""; position: absolute; top: -2px; left: 0; right: 0; height: 2px;
  background: var(--kg-gradient-mark);
  transform-origin: left;
  transition: transform 600ms var(--kg-ease) var(--d, 0ms);
}
.js .beat::before { transform: scaleX(0); }
.js .beat.is-in::before { transform: scaleX(1); }
.beat-no {
  display: block;
  font-size: var(--kg-text-sm);
  font-weight: 500;
  color: var(--kg-neutral-500);
}
.beat h3 {
  margin-top: var(--kg-space-2);
  font-size: var(--kg-text-xl);
  letter-spacing: -0.01em;
}
.beat p {
  margin-top: var(--kg-space-3);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}

/* ---------------------------------------------------------- capabilities -- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--kg-space-5);
}
.card {
  padding: var(--kg-space-6);
  background: var(--kg-surface);
  border: 1px solid var(--hairline);
  border-radius: var(--kg-radius-lg);
  transition:
    background-color var(--kg-dur-state) var(--kg-ease),
    border-color var(--kg-dur-state) var(--kg-ease),
    transform var(--kg-dur-state) var(--kg-ease);
}
.card:hover {
  background: var(--kg-surface-raised);
  border-color: var(--hairline-strong);
  transform: translate(2px, -3px);
}
.card-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--kg-radius-md);
  background: color-mix(in srgb, var(--kg-primary) 14%, transparent);
  color: var(--kg-accent);
  margin-bottom: var(--kg-space-5);
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: var(--kg-text-lg); letter-spacing: -0.005em; }
.card p {
  margin-top: var(--kg-space-3);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}

/* ---------------------------------------------------------- configuration -- */

.configure { border-top: 1px solid var(--hairline); }
.configure-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--kg-space-9);
  align-items: start;
}
.configure-copy h2 { margin-top: var(--kg-space-3); font-size: clamp(31px, 3.6vw, var(--kg-text-4xl)); }
.configure-copy p {
  margin-top: var(--kg-space-5);
  max-width: 60ch;
  font-size: var(--kg-text-base);
  line-height: var(--kg-leading-base);
}
.configure-copy .hero-cta { margin-top: var(--kg-space-6); }

.configure-list {
  display: grid;
  border-top: 1px solid var(--hairline);
}
.configure-list li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: var(--kg-space-4);
  align-items: baseline;
  padding-block: var(--kg-space-4);
  border-bottom: 1px solid var(--hairline);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-300);
}
.configure-list span {
  font-family: var(--kg-font-data);
  font-size: var(--kg-text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--kg-neutral-500);
}

/* ------------------------------------------------------------- integration -- */

.integration { border-top: 1px solid var(--hairline); }

.flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.25fr) auto minmax(0, 1fr);
  gap: var(--kg-space-4);
  align-items: stretch;
  margin-bottom: var(--kg-space-8);
}
.flow-node {
  padding: var(--kg-space-5);
  background: var(--kg-surface);
  border: 1px solid var(--hairline);
  border-radius: var(--kg-radius-lg);
}
.flow-core {
  background: var(--kg-gradient-surface);
  border-color: color-mix(in srgb, var(--kg-primary) 34%, transparent);
  box-shadow: 0 24px 60px -40px var(--kg-primary);
}
.flow-role {
  font-family: var(--kg-font-data);
  font-size: var(--kg-text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--kg-neutral-400);
}
.flow-core .flow-role { color: var(--kg-neutral-000); }
.flow-desc {
  margin-top: var(--kg-space-3);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}
.flow-items {
  display: grid; gap: var(--kg-space-2);
  margin-top: var(--kg-space-4);
  font-size: var(--kg-text-sm);
  color: var(--kg-neutral-300);
}
.flow-items li { display: flex; align-items: center; gap: var(--kg-space-3); }
.flow-items li::before {
  content: ""; flex: none;
  width: 5px; height: 5px; border-radius: var(--kg-radius-pill);
  background: var(--kg-primary);
}
.flow-note {
  margin-top: var(--kg-space-5);
  padding-top: var(--kg-space-4);
  border-top: 1px solid var(--hairline);
  font-size: var(--kg-text-xs);
  color: var(--kg-neutral-400);
}
.flow-arrow {
  display: grid; place-items: center;
  font-size: var(--kg-text-lg);
  color: var(--kg-neutral-600);
}

.boundary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--kg-space-7);
  padding-top: var(--kg-space-7);
  border-top: 1px solid var(--hairline);
}
.boundary-col h3 {
  display: flex; align-items: center; gap: var(--kg-space-3);
  font-size: var(--kg-text-lg);
  letter-spacing: -0.005em;
}
.boundary-mark { width: 10px; height: 10px; border-radius: var(--kg-radius-xs); }
.boundary-mark.in { background: var(--kg-primary); }
.boundary-mark.out { background: var(--kg-neutral-600); }
.boundary-col ul {
  display: grid; gap: var(--kg-space-3);
  margin-top: var(--kg-space-5);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-300);
}
.boundary-col li { padding-left: var(--kg-space-5); position: relative; }
.boundary-col li::before {
  content: ""; position: absolute; left: 0; top: 0.6em;
  width: 8px; height: 1.5px; background: var(--kg-neutral-600);
}
.boundary-note {
  margin-top: var(--kg-space-5);
  padding-top: var(--kg-space-4);
  border-top: 1px solid var(--hairline);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}

/* --------------------------------------------------------------- products -- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--kg-space-5);
}

/* Each tile re-keys the state tokens for itself (data-brand, per the kit).
   The lockup is never mixed — the tile carries one state end to end. */
.product {
  position: relative;
  display: flex; flex-direction: column;
  padding: var(--kg-space-6);
  background: var(--kg-base);
  border: 1px solid var(--hairline);
  border-radius: var(--kg-radius-lg);
  overflow: hidden;
  transition: border-color var(--kg-dur-state) var(--kg-ease), transform var(--kg-dur-state) var(--kg-ease);
}
.product::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--kg-primary) 12%, transparent) 0%, transparent 62%);
  pointer-events: none;
}
.product::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--kg-gradient-mark);
}
.product:hover { transform: translate(2px, -3px); border-color: color-mix(in srgb, var(--kg-primary) 34%, transparent); }
.product > * { position: relative; }

.product-mark { width: 34px; height: 34px; margin-bottom: var(--kg-space-5); }
.product-state { color: var(--kg-primary); }   /* safe: each state's primary on its own base */
.product h3 {
  margin-top: var(--kg-space-2);
  font-size: var(--kg-text-xl);
  letter-spacing: -0.01em;
}
.product > p:not(.product-state):not(.product-role) {
  margin-top: var(--kg-space-3);
  font-size: var(--kg-text-sm);
  line-height: var(--kg-leading-sm);
  color: var(--kg-neutral-400);
}
.product-list {
  margin-top: var(--kg-space-5);
  display: grid; gap: var(--kg-space-2);
  font-size: var(--kg-text-sm);
  color: var(--kg-neutral-300);
}
.product-list li { display: flex; align-items: center; gap: var(--kg-space-3); }
.product-list li::before {
  content: ""; flex: none;
  width: 5px; height: 5px; border-radius: var(--kg-radius-pill);
  background: var(--kg-primary);
}
.product-role {
  margin-top: auto;
  padding-top: var(--kg-space-5);
  font-size: var(--kg-text-xs);
  letter-spacing: 0.01em;
  color: var(--kg-neutral-500);
}

/* ------------------------------------------------------------------ about -- */

.products { border-top: 1px solid var(--hairline); }
.about { border-top: 1px solid var(--hairline); }
.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--kg-space-9);
  align-items: center;
}
.about-copy h2 { margin-top: var(--kg-space-3); font-size: clamp(31px, 3.6vw, var(--kg-text-4xl)); }
.about-copy p {
  margin-top: var(--kg-space-5);
  max-width: 60ch;
  font-size: var(--kg-text-base);
  line-height: var(--kg-leading-base);
}
.about-facts {
  display: flex; gap: var(--kg-space-7);
  margin-top: var(--kg-space-7);
  padding-top: var(--kg-space-5);
  border-top: 1px solid var(--hairline);
}
.about-facts div { display: grid; gap: var(--kg-space-1); }
.about-facts span:first-child {
  font-family: var(--kg-font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--kg-text-2xl);
  font-weight: 500;
  color: var(--kg-neutral-000);
}
.about-facts span:last-child { font-size: var(--kg-text-xs); color: var(--kg-neutral-500); }

.about-visual {
  padding: var(--kg-space-7) var(--kg-space-6);
  background: var(--kg-gradient-surface);
  border: 1px solid var(--hairline);
  border-radius: var(--kg-radius-xl);
}
.chip-rail { display: grid; gap: var(--kg-space-3); justify-items: start; }
.chip {
  font-family: var(--kg-font-mono);
  font-size: var(--kg-text-sm);
  padding: var(--kg-space-3) var(--kg-space-4);
  background: var(--kg-surface-raised);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--kg-radius-sm);
  color: var(--kg-neutral-300);
}
.chip-live {
  border-color: color-mix(in srgb, var(--kg-accent) 45%, transparent);
  color: var(--kg-neutral-000);
  box-shadow: 0 0 24px -8px var(--kg-accent);
}
.chip-arrow {
  margin-left: var(--kg-space-5);
  color: var(--kg-neutral-600);
  transform: rotate(90deg);
  display: inline-block;
}

/* -------------------------------------------------------------------- cta -- */

.cta { text-align: center; border-top: 1px solid var(--hairline); }
.cta-inner { display: grid; justify-items: center; }
.cta-lockup { width: min(340px, 78vw); height: auto; margin-bottom: var(--kg-space-7); opacity: .95; }
.cta h2 { font-size: clamp(31px, 4vw, var(--kg-text-4xl)); }
.cta p {
  margin-top: var(--kg-space-4);
  max-width: 52ch;
  font-size: var(--kg-text-md);
}
.cta .hero-cta { justify-content: center; }

/* ----------------------------------------------------------------- footer -- */

.site-footer {
  padding-top: var(--kg-space-8);
  background: var(--kg-base);
  border-top: 1px solid var(--hairline);
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: var(--kg-space-8);
  padding-bottom: var(--kg-space-8);
}
.footer-brand img { height: 26px; width: auto; }
.footer-brand p {
  margin-top: var(--kg-space-4);
  max-width: 42ch;
  font-size: var(--kg-text-sm);
  color: var(--kg-neutral-500);
}
.footer-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--kg-space-5); }
.footer-cols div { display: grid; gap: var(--kg-space-3); align-content: start; }
.footer-cols h4 {
  font-family: var(--kg-font-data);
  font-size: var(--kg-text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--kg-neutral-500);
}
.footer-cols a {
  font-size: var(--kg-text-sm);
  color: var(--kg-neutral-300);
  transition: color var(--kg-dur-state) var(--kg-ease);
}
.footer-cols a:hover { color: var(--kg-neutral-000); }

.footer-base {
  display: flex; flex-wrap: wrap; gap: var(--kg-space-4);
  justify-content: space-between;
  padding-block: var(--kg-space-5);
  border-top: 1px solid var(--hairline);
  font-size: var(--kg-text-xs);
  color: var(--kg-neutral-500);
}
.footer-legal { display: flex; gap: var(--kg-space-5); }
.footer-legal a:hover { color: var(--kg-neutral-000); }

/* ----------------------------------------------------------- scroll reveal -- */

.js .reveal {
  opacity: 0;
  /* enters from behind and below, then travels forward and up (+x, -y) */
  transform: translate(-10px, 14px);
  transition:
    opacity var(--kg-dur-data) var(--kg-ease) var(--d, 0ms),
    transform var(--kg-dur-data) var(--kg-ease) var(--d, 0ms);
}
.js .reveal.is-in { opacity: 1; transform: translate(0, 0); }

/* ------------------------------------------------------------- responsive -- */

@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: var(--kg-space-7); }
  .about-inner { grid-template-columns: 1fr; gap: var(--kg-space-7); }
  .beat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--kg-space-6); }
  .footer-inner { grid-template-columns: 1fr; gap: var(--kg-space-7); }
  .configure-inner { grid-template-columns: 1fr; gap: var(--kg-space-7); }
  .flow { grid-template-columns: 1fr; gap: var(--kg-space-3); }
  .flow-arrow { transform: rotate(90deg); }
}

@media (max-width: 760px) {
  :root { --gutter: var(--kg-space-4); }
  .section { padding-block: var(--kg-space-8); }
  .hero { padding-block: var(--kg-space-7) var(--kg-space-8); }
  .nav, .hide-sm { display: none; }
  .nav-toggle { display: block; }
  .hero-mark { right: -30%; width: 110vw; }
  .panel-stats { grid-template-columns: 1fr; gap: var(--kg-space-3); }
  .panel-stats > div { display: flex; align-items: baseline; justify-content: space-between; gap: var(--kg-space-4); }
  .panel-stats dd { margin-top: 0; }
  .footer-cols { grid-template-columns: 1fr; gap: var(--kg-space-6); }
  .about-facts { gap: var(--kg-space-6); }
  .configure-list li { grid-template-columns: 1fr; gap: var(--kg-space-2); }

  /* section heads step down a rung so they stay two or three lines, not five */
  .section-head h2,
  .configure-copy h2,
  .about-copy h2,
  .cta h2 { font-size: clamp(25px, 6.6vw, 31px); letter-spacing: -0.015em; }
  .section-lede, .cta p { font-size: var(--kg-text-base); }
}

@media (max-width: 480px) {
  .beat-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .header-actions .btn { width: auto; }
}

/* ---------------------------------------------------------- reduced motion -- */
/* §9: drop to opacity-only. */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  .js .reveal { transform: none; }
  .js .reveal.is-in { transform: none; }
  .btn-primary:hover, .btn-ghost:hover, .card:hover, .product:hover { transform: none; }
  .spark-line { stroke-dashoffset: 0; }
  .spark-fill { opacity: 1; }
  .beat::before { transform: scaleX(1); }
}