:root {
  --ivory: #F4EFE6;
  --stone: #E4DAC8;
  --graphite: #1A1C1F;
  --graphite-deep: #121416;
  --ink: #22252A;
  --muted: #5E5B55;
  --line: rgba(26, 28, 31, 0.14);
  --cobalt: #2155F4;
  --cobalt-deep: #163DC0;
  --lime: #C5D96A;
  --paper: #F7F3EB;
  --dark-text: #F4EFE6;
  --dark-muted: #B7B2A7;
  --dark-line: rgba(244, 239, 230, 0.14);
  --wide: 1520px;
  --content: 1240px;
  --reading: 720px;
  --radius: 8px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "DM Sans", sans-serif;
}

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

html {
  scroll-behavior: auto;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  font-optical-sizing: auto;
  background: var(--ivory);
  color: var(--graphite);
  line-height: 1.7;
  letter-spacing: 0.012em;
  font-size: 1.0625rem;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

a:not(.btn),
a:not(.btn):hover,
a:not(.btn):focus,
a:not(.btn):active,
a:not(.btn):visited {
  color: inherit;
  text-decoration: none;
}

a.btn,
a.btn:hover,
a.btn:focus,
a.btn:active,
a.btn:visited {
  text-decoration: none;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--cobalt);
  outline-offset: 3px;
}

::selection {
  background: var(--cobalt);
  color: #fff;
}

button,
.chip,
.mix-tab,
.signal-row {
  touch-action: manipulation;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 80;
  min-height: 44px;
  padding: 13px 20px;
  background: var(--graphite);
  color: var(--ivory);
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.wrap {
  width: min(1240px, calc(100% - 56px));
  margin-inline: auto;
}

.wrap-wide {
  width: min(1520px, calc(100% - 40px));
  margin-inline: auto;
}

.hero,
.mix,
.framework,
.about,
.contact,
.site-footer {
  padding: clamp(3rem, 5.5vw, 4.5rem) 0;
  scroll-margin-top: 4.5rem;
}

.kicker,
.eyebrow,
.readout-kicker {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.kicker-on-dark,
.contact .kicker {
  color: var(--dark-muted);
}

.section-title {
  margin: 0.35rem 0 0;
  font-size: clamp(2.2rem, 4vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 14px 22px;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-arrow {
  transition: transform 0.25s var(--ease);
}

.btn:hover .btn-arrow,
.btn:focus-visible .btn-arrow {
  transform: translateX(4px);
}

.btn-cobalt {
  background: var(--cobalt);
  color: #fff;
}

.btn-cobalt:hover {
  background: var(--cobalt-deep);
}

.btn-graphite,
a.btn-graphite:hover,
a.btn-graphite:focus,
a.btn-graphite:focus-visible,
a.btn-graphite:active,
a.btn-graphite:visited {
  background: var(--graphite);
  color: var(--ivory);
}

.btn-graphite:hover,
a.btn-graphite:hover,
a.btn-graphite:focus-visible {
  background: #0E1013;
  color: var(--ivory);
}

.btn-ivory {
  background: var(--ivory);
  color: var(--graphite);
}

.btn-ivory:hover {
  background: #fff;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}

.masthead-bar {
  width: min(1520px, calc(100% - 40px));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.75rem;
  min-height: 4.5rem;
  padding: 0.55rem 0;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  grid-column: 2;
  justify-self: center;
}

.brand-mark {
  color: var(--graphite);
  flex: 0 0 auto;
}

.brand-type {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand-meta {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  line-height: 1.2;
}

.masthead-cluster {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 1.25rem 1.75rem;
  min-height: 3.1rem;
  position: relative;
  padding-bottom: 0.15rem;
  grid-column: 3;
  justify-self: end;
}

.masthead-cluster::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.42rem;
  height: 1px;
  background: var(--line);
  pointer-events: none;
}

.mast-nav {
  grid-column: 2;
  display: flex;
  align-items: flex-end;
  gap: clamp(1.15rem, 1.8vw, 2.1rem);
  position: relative;
  z-index: 1;
}

.mast-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.42rem;
  min-height: 44px;
  padding: 0 0.15rem;
  background: var(--ivory);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
  transition: color 0.2s ease;
}

.mast-node {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--graphite);
  background: var(--ivory);
  order: 2;
  margin-bottom: -0.12rem;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.mast-link:hover,
.mast-link:focus-visible {
  color: var(--cobalt);
}

.mast-link:hover .mast-node,
.mast-link:focus-visible .mast-node {
  background: var(--cobalt);
  border-color: var(--cobalt);
  transform: scale(1.15);
}

.masthead-cluster .btn {
  position: relative;
  z-index: 1;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  grid-column: 3;
  justify-self: end;
}

.nav-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--graphite);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:first-child {
  top: 17px;
}

.nav-toggle span:last-child {
  top: 25px;
}

.nav-toggle.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.masthead--home .masthead-bar {
  grid-template-columns: auto 1fr;
}

.masthead--home .brand {
  grid-column: 1;
  justify-self: start;
}

.masthead--home .masthead-cluster {
  grid-column: 2;
  justify-self: end;
  min-height: 44px;
  padding-bottom: 0;
  align-items: center;
}

.masthead--home .masthead-cluster::before {
  display: none;
}

.masthead--home .mast-nav {
  grid-column: auto;
  align-items: center;
  gap: 0.15rem;
}

.masthead--home .mast-link {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.95rem;
  border-radius: 8px;
  background: transparent;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.masthead--home .mast-node {
  display: block;
  order: 0;
  width: 7px;
  height: 7px;
  margin: 0;
  opacity: 0.3;
  transform: scale(0.8);
}

.masthead--home .mast-link:hover,
.masthead--home .mast-link:focus-visible {
  color: var(--cobalt);
  background: rgba(33, 85, 244, 0.08);
  transform: translateY(-2px);
}

.masthead--home .mast-link:hover .mast-node,
.masthead--home .mast-link:focus-visible .mast-node {
  opacity: 1;
  background: var(--cobalt);
  border-color: var(--cobalt);
  transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(33, 85, 244, 0.16);
}

.masthead--home .nav-toggle {
  grid-column: 2;
}

.hero {
  background: var(--ivory);
}

.hero-editorial {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 2.5rem 3.5rem;
  align-items: center;
  min-height: 0;
}

.hero-copy {
  max-width: 38rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--graphite);
}

.eyebrow-mark {
  width: 8px;
  height: 8px;
  background: var(--cobalt);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(33, 85, 244, 0.16);
}

.hero-title {
  margin: 0.85rem 0 1.1rem;
  font-size: clamp(1.7rem, 2.6vw, 2.55rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  font-weight: 500;
  max-width: 18ch;
}

.hero-aside {
  max-width: 46ch;
}

.hero-aside p {
  margin: 0 0 1.2rem;
  color: var(--muted);
}

.hero-visual {
  margin: 0;
  position: relative;
}

.hero-visual-frame {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: var(--graphite-deep);
  aspect-ratio: 16 / 10;
}

.hero-visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: heroPan 18s ease-in-out infinite alternate;
}

.hero-visual-scan {
  position: absolute;
  inset: 0 auto 0 -30%;
  width: 28%;
  background: linear-gradient(90deg, transparent, rgba(33, 85, 244, 0.18), transparent);
  animation: heroScan 5.5s ease-in-out infinite;
  pointer-events: none;
}

.hero-visual-pulse {
  position: absolute;
  right: 1.1rem;
  top: 1.1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(197, 217, 106, 0.55);
  animation: livePulse 2.4s ease-out infinite;
}

.hero-visual-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-visual-live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cobalt);
}

.signal-band {
  margin-top: 2.75rem;
  background: var(--graphite-deep);
  color: var(--dark-text);
  clip-path: polygon(0 3.25rem, 100% 0, 100% 100%, 0 100%);
  padding: 4.75rem 0 0;
  position: relative;
}

.signal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(16rem, 0.7fr);
  grid-template-areas:
    "folio folio"
    "stage readout";
  gap: 1.25rem 2rem;
  align-items: center;
}

.signal-folio {
  grid-area: folio;
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dark-muted);
}

.signal-stage {
  grid-area: stage;
  position: relative;
}

.signal-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.signal-orbit {
  stroke: rgba(244, 239, 230, 0.1);
  stroke-width: 1;
  stroke-dasharray: 4 10;
}

.signal-orbit-inner {
  stroke-dasharray: 2 8;
  opacity: 0.7;
}

.hub-path {
  stroke: rgba(244, 239, 230, 0.28);
  stroke-width: 1.15;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke 0.35s ease, opacity 0.35s ease, stroke-width 0.35s ease;
}

.signal-band.is-drawn .hub-path {
  stroke-dashoffset: 0;
}

.node-halo {
  fill: rgba(33, 85, 244, 0.08);
  stroke: rgba(244, 239, 230, 0.2);
  stroke-width: 1;
  transition: fill 0.3s ease, stroke 0.3s ease;
}

.node-core {
  fill: var(--ivory);
  transition: fill 0.3s ease, r 0.3s ease;
}

.node-core-out {
  fill: var(--cobalt);
}

.node-label {
  fill: var(--dark-text);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.node-chip {
  fill: var(--dark-muted);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hub-ring {
  fill: none;
  stroke: rgba(244, 239, 230, 0.35);
  stroke-width: 1;
}

.hub-ring-outer {
  stroke: rgba(33, 85, 244, 0.45);
  animation: hubPulse 4.8s ease-in-out infinite;
  transform-origin: 640px 236px;
}

.hub-core {
  fill: var(--cobalt);
}

.hub-cross {
  stroke: var(--ivory);
  stroke-width: 1.2;
  stroke-linecap: round;
}

.hub-label {
  fill: var(--dark-muted);
  font-family: var(--font);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.node-group {
  cursor: pointer;
  animation: nodeDrift 9s ease-in-out infinite;
}

.node-group[data-channel="social"] { animation-duration: 10.5s; animation-delay: -2s; }
.node-group[data-channel="native"] { animation-duration: 8.4s; animation-delay: -4s; }
.node-group[data-channel="programmatic"] { animation-duration: 11s; animation-delay: -1s; }
.node-group[data-channel="conversion"] { animation-duration: 9.6s; animation-delay: -3s; }

.node-group:focus {
  outline: none;
}

.node-group:focus-visible .node-halo {
  stroke: var(--cobalt);
  stroke-width: 1.6;
}

.signal-band[data-active="search"] .path-search,
.signal-band[data-active="social"] .path-social,
.signal-band[data-active="native"] .path-native,
.signal-band[data-active="programmatic"] .path-programmatic,
.signal-band[data-active="conversion"] .path-conversion {
  stroke: var(--cobalt);
  stroke-width: 1.7;
  opacity: 1;
}

.signal-band[data-active="search"] .hub-path:not(.path-search),
.signal-band[data-active="social"] .hub-path:not(.path-social),
.signal-band[data-active="native"] .hub-path:not(.path-native),
.signal-band[data-active="programmatic"] .hub-path:not(.path-programmatic),
.signal-band[data-active="conversion"] .hub-path:not(.path-conversion) {
  opacity: 0.16;
}

.signal-band[data-active="search"] .node-group[data-channel="search"] .node-halo,
.signal-band[data-active="social"] .node-group[data-channel="social"] .node-halo,
.signal-band[data-active="native"] .node-group[data-channel="native"] .node-halo,
.signal-band[data-active="programmatic"] .node-group[data-channel="programmatic"] .node-halo,
.signal-band[data-active="conversion"] .node-group[data-channel="conversion"] .node-halo {
  fill: rgba(33, 85, 244, 0.22);
  stroke: var(--cobalt);
}

.signal-band[data-active="search"] .node-group[data-channel="search"] .node-core,
.signal-band[data-active="social"] .node-group[data-channel="social"] .node-core,
.signal-band[data-active="native"] .node-group[data-channel="native"] .node-core,
.signal-band[data-active="programmatic"] .node-group[data-channel="programmatic"] .node-core,
.signal-band[data-active="conversion"] .node-group[data-channel="conversion"] .node-core {
  fill: var(--lime);
}

.signal-mobile {
  display: none;
}

.signal-readout {
  grid-area: readout;
  max-width: 38ch;
  padding: 0.4rem 0 1rem;
}

.readout-kicker {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--dark-muted);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(197, 217, 106, 0.6);
  animation: livePulse 2.4s ease-out infinite;
}

.readout-title {
  margin: 0.55rem 0 0.7rem;
  font-size: clamp(2rem, 3vw, 3.1rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-weight: 600;
}

.readout-body {
  margin: 0 0 1.1rem;
  color: var(--dark-muted);
  max-width: 38ch;
}

.readout-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.readout-tags li,
.mix-platforms li,
.capability-tags li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--dark-line);
  border-radius: 6px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.signal-continue {
  height: 3.5rem;
  margin-top: 1rem;
  background: linear-gradient(to bottom, transparent, var(--ivory));
  pointer-events: none;
}

.mix {
  background: var(--ivory);
  position: relative;
}

.mix::before {
  content: "";
  position: absolute;
  left: max(20px, calc((100% - var(--wide)) / 2 + 24px));
  top: 0;
  width: 1px;
  height: 4.5rem;
  background: var(--cobalt);
  opacity: 0.55;
}

.mix-head {
  max-width: var(--reading);
  margin-bottom: 2.4rem;
}

.mix-lede,
.framework-pull,
.about-pull,
.contact-pull {
  max-width: 62ch;
  color: var(--muted);
}

.mix-board {
  display: grid;
  grid-template-columns: minmax(11rem, 0.42fr) minmax(0, 1fr);
  gap: 1.5rem 3.5rem;
  align-items: stretch;
  min-height: 22rem;
}

.mix-index {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.15rem;
  border-left: 1px solid var(--line);
  padding-left: 0.35rem;
}

.mix-tab {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 52px;
  padding: 0.35rem 0.7rem;
  text-align: left;
  color: var(--graphite);
  opacity: 0.38;
  transition: opacity 0.25s ease, transform 0.25s var(--ease);
}

.mix-tab-node {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.mix-tab-label {
  font-size: clamp(1.15rem, 1.6vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mix-tab.is-active {
  opacity: 1;
}

.mix-tab.is-active .mix-tab-node {
  background: var(--cobalt);
  transform: scale(1.25);
  box-shadow: 0 0 0 5px rgba(33, 85, 244, 0.14);
}

.mix-tab.is-active .mix-tab-label {
  font-size: clamp(1.7rem, 2.4vw, 2.5rem);
}

.mix-tab:hover,
.mix-tab:focus-visible {
  opacity: 1;
}

.mix-stage {
  position: relative;
  overflow: hidden;
}

.mix-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(14px);
  filter: blur(5px);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), filter 0.4s var(--ease);
}

.mix-panel[hidden] {
  display: none !important;
}

.mix-panel.is-active {
  position: relative;
  opacity: 1;
  transform: none;
  filter: none;
  pointer-events: auto;
}

.mix-ghost {
  position: absolute;
  right: -0.2rem;
  top: -0.6rem;
  margin: 0;
  font-size: clamp(4rem, 10vw, 8.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.8;
  color: var(--graphite);
  opacity: 0.045;
  pointer-events: none;
  user-select: none;
}

.mix-panel h3 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.6rem, 2.4vw, 2.3rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.mix-panel p {
  margin: 0 0 1.3rem;
  max-width: 58ch;
  color: var(--muted);
}

.mix-platforms {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.mix-platforms li {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.35);
}

.capability-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  margin: 2.4rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--line);
}

.capability-tags li {
  border-color: var(--line);
  color: var(--graphite);
  font-weight: 500;
}

.framework {
  background:
    radial-gradient(ellipse 70% 55% at 108% -10%, rgba(33, 85, 244, 0.34), transparent 58%),
    radial-gradient(ellipse 45% 40% at -8% 110%, rgba(197, 217, 106, 0.1), transparent 52%),
    var(--graphite-deep);
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
  color-scheme: dark;
  border-block: 1px solid var(--dark-line);
}

.framework-glow {
  position: absolute;
  inset: auto -8rem 30% auto;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: rgba(33, 85, 244, 0.18);
  filter: blur(40px);
  pointer-events: none;
}

.framework-mark {
  position: absolute;
  right: max(-1rem, calc((100% - var(--wide)) / 2 - 3rem));
  bottom: -0.22em;
  margin: 0;
  font-size: clamp(8rem, 22vw, 17rem);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.75;
  color: #fff;
  opacity: 0.045;
  pointer-events: none;
  user-select: none;
}

.framework-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(18rem, 0.78fr);
  gap: 3rem 5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.framework .section-title {
  color: #fff;
}

.framework-shift {
  display: block;
  margin-left: 12%;
  color: var(--lime);
}

.framework-pull {
  margin-top: 1.4rem;
  color: var(--dark-muted);
}

.principle-spine {
  list-style: none;
  margin: 0.2rem 0 0;
  padding: 0.35rem 0;
  position: relative;
  border-top: 1px solid var(--dark-line);
}

.principle-spine::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 1.15rem;
  bottom: 1.15rem;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(33, 85, 244, 0.55) 12%, rgba(197, 217, 106, 0.35) 88%, transparent);
}

.principle {
  border-bottom: 1px solid var(--dark-line);
  transition: background 0.25s ease;
}

.principle.is-open {
  background: linear-gradient(90deg, rgba(33, 85, 244, 0.16), rgba(33, 85, 244, 0.03) 62%, transparent);
}

.principle-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  min-height: 52px;
  text-align: left;
  padding: 0.7rem 0.85rem 0.7rem 0;
}

.principle-index {
  width: 2.1rem;
  flex: 0 0 auto;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: rgba(244, 239, 230, 0.38);
  position: relative;
  z-index: 1;
  transition: color 0.25s ease;
}

.principle-name {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  transition: color 0.2s ease;
}

.principle-copy {
  margin: 0 0.85rem 0.85rem 3.1rem;
  max-width: 46ch;
  color: var(--dark-muted);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-4px);
  transition: opacity 0.3s ease, transform 0.3s ease, max-height 0.35s ease, margin 0.3s ease;
}

.principle.is-open .principle-index {
  color: var(--lime);
}

.principle.is-open .principle-copy {
  max-height: 8rem;
  opacity: 1;
  transform: none;
}

.principle-btn:hover .principle-name,
.principle-btn:focus-visible .principle-name {
  color: var(--lime);
}

.about {
  background: var(--ivory);
  border-top: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 3rem 4.5rem;
  align-items: stretch;
}

.about-lead,
.about-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.2rem;
  min-height: 100%;
}

.about-pull {
  margin-top: 1.4rem;
}

.about-copy p {
  margin: 0 0 1.1rem;
  max-width: 62ch;
  color: var(--muted);
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.about-facts li {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 1.1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.about-facts span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cobalt);
  padding-top: 0.25rem;
}

.about-facts p {
  margin: 0;
  color: var(--muted);
}

.about-more {
  align-self: flex-start;
  color: var(--ivory);
}

.about-more:hover,
.about-more:focus,
.about-more:focus-visible,
.about-more:active,
.about-more:visited {
  color: var(--ivory);
}

.contact {
  background: var(--graphite-deep);
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
  color-scheme: dark;
}

.contact-watermark {
  position: absolute;
  left: -2vw;
  bottom: -0.35em;
  margin: 0;
  font-size: clamp(5rem, 16vw, 14rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.8;
  color: #fff;
  opacity: 0.035;
  pointer-events: none;
  user-select: none;
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.12fr);
  gap: 3rem 4.5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-direct {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.contact-direct span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark-muted);
  margin-bottom: 0.2rem;
}

.contact-direct a {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ivory);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.contact-direct a:hover,
.contact-direct a:focus-visible {
  color: var(--lime);
}

.mix-form {
  display: grid;
  gap: 1.15rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label,
.challenge legend {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--dark-muted);
}

.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dark-line);
  border-radius: 6px;
  color: var(--ivory);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
  line-height: 1.6;
}

.field input:hover,
.field textarea:hover,
.field input:focus,
.field textarea:focus {
  border-color: var(--cobalt);
  background: rgba(33, 85, 244, 0.08);
}

.challenge {
  border: 0;
  margin: 0.2rem 0 0;
  padding: 0;
}

.challenge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.chip {
  position: relative;
  min-height: 44px;
}

.chip input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.chip span {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--dark-line);
  border-radius: 6px;
  font-size: 0.9rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.chip:hover span,
.chip input:focus-visible + span {
  border-color: var(--ivory);
}

.chip input:checked + span {
  background: var(--cobalt);
  border-color: var(--cobalt);
  color: #fff;
}

.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-note {
  margin: 0;
  color: var(--dark-muted);
  font-size: 0.9rem;
}

.form-success {
  margin: 0;
  padding: 0.9rem 0 0;
  color: var(--lime);
  font-weight: 600;
}

.mix-form.is-sent .form-row,
.mix-form.is-sent .challenge,
.mix-form.is-sent .field-message,
.mix-form.is-sent .form-foot {
  display: none;
}

.site-footer {
  background: var(--graphite-deep);
  color: var(--dark-muted);
  border-top: 1px solid var(--dark-line);
  color-scheme: dark;
}

.footer-shell {
  display: grid;
  gap: 2.6rem;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.95fr);
  gap: 2.5rem 5rem;
  align-items: start;
}

.footer-name {
  display: inline-block;
  margin: 0 0 0.55rem;
  color: var(--ivory);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  transition: color 0.2s ease;
}

.footer-name:hover,
.footer-name:focus-visible {
  color: var(--lime);
}

.footer-line {
  margin: 0;
  max-width: 46ch;
  line-height: 1.65;
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.footer-label {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ivory);
}

.footer-col a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--ivory);
}

.footer-base {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
  padding-top: 1.45rem;
  border-top: 1px solid var(--dark-line);
}

.footer-copy,
.footer-base-note {
  margin: 0;
  font-size: 0.88rem;
}

.footer-copy {
  letter-spacing: 0.01em;
}

.legal-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--ivory);
  color: var(--graphite);
}

.legal-main {
  flex: 1 0 auto;
  padding: clamp(3rem, 5.5vw, 4.5rem) 0 5rem;
}

.legal-main .wrap {
  max-width: 68ch;
  text-align: center;
}

.legal-page .site-footer {
  margin-top: auto;
  flex-shrink: 0;
}

.legal-kicker {
  margin: 0 0 0.85rem;
}

.legal-main h1 {
  margin: 0 0 0.55rem;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.legal-updated {
  margin: 0 0 2rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.legal-updated a:hover,
.legal-updated a:focus-visible {
  color: var(--cobalt);
}

.legal-main h2 {
  margin: 2.15rem 0 0.65rem;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.legal-main p,
.legal-main li {
  max-width: none;
  color: var(--muted);
}

.legal-main ul {
  margin: 0 auto 1.1rem;
  padding-left: 0;
  list-style-position: inside;
}

.legal-main li + li {
  margin-top: 0.35rem;
}

.legal-main a {
  color: var(--cobalt);
  font-weight: 600;
}

.legal-main a:hover,
.legal-main a:focus-visible {
  color: var(--cobalt-deep);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes hubPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.06); }
}

@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(197, 217, 106, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(197, 217, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(197, 217, 106, 0); }
}

@keyframes nodeDrift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(4px, -6px); }
}

@keyframes heroPan {
  0% { transform: scale(1.08) translate3d(0, 0, 0); }
  100% { transform: scale(1.14) translate3d(-2.4%, 1.2%, 0); }
}

@keyframes heroScan {
  0% { transform: translateX(0); opacity: 0; }
  18% { opacity: 1; }
  100% { transform: translateX(460%); opacity: 0; }
}

@media (max-width: 1100px) {
  .hero-editorial {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 1.75rem;
  }

  .hero-title {
    max-width: 22ch;
  }

  .hero-aside {
    justify-self: start;
    max-width: 48ch;
  }

  .signal-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "folio"
      "stage"
      "readout";
  }

  .signal-readout {
    max-width: 62ch;
  }

  .mix-board {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 1.5rem;
  }

  .mix-index {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 0.6rem;
    gap: 0.2rem;
    scrollbar-width: thin;
  }

  .mix-tab {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 0.4rem 0.75rem;
  }

  .mix-tab.is-active .mix-tab-label,
  .mix-tab-label {
    font-size: 1rem;
  }

  .framework-grid,
  .about-grid,
  .contact-shell,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .about-lead,
  .about-body {
    justify-content: flex-start;
  }

  .framework-shift {
    margin-left: 0;
    padding-left: 0;
  }

  .framework-mark {
    right: -0.6rem;
    font-size: 8.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .masthead-bar {
    width: min(1520px, calc(100% - 32px));
    gap: 1rem;
    grid-template-columns: 1fr auto 1fr;
  }

  .masthead--home .masthead-bar {
    grid-template-columns: auto 1fr;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(1240px, calc(100% - 32px));
  }

  .nav-toggle {
    display: block;
  }

  .masthead-bar {
    grid-template-columns: 1fr auto 1fr;
  }

  .masthead--home .masthead-bar {
    grid-template-columns: 1fr auto;
  }

  .masthead--home .brand {
    justify-self: start;
  }

  .masthead-cluster {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    grid-template-columns: 1fr;
    justify-items: stretch;
    gap: 0.35rem;
    padding: 1.1rem 1.25rem 1.4rem;
    background: var(--graphite-deep);
    border: 0;
    min-height: 0;
  }

  .masthead-cluster::before {
    display: none;
  }

  .masthead-cluster.is-open {
    display: grid;
    z-index: 50;
  }

  .mast-nav {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .mast-link,
  .masthead-cluster .btn {
    width: 100%;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row;
    gap: 0.75rem;
    background: transparent;
    color: var(--ivory);
    letter-spacing: 0.08em;
    font-size: 0.92rem;
  }

  .mast-node {
    order: 0;
    margin-bottom: 0;
    border-color: var(--ivory);
    background: transparent;
  }

  .mast-link:hover,
  .mast-link:focus-visible {
    color: var(--lime);
  }

  .mast-link:hover .mast-node,
  .mast-link:focus-visible .mast-node {
    background: var(--lime);
    border-color: var(--lime);
  }

  .masthead--home .mast-link:hover,
  .masthead--home .mast-link:focus-visible {
    transform: none;
    background: transparent;
  }

  .masthead-cluster .btn {
    margin-top: 0.55rem;
    justify-content: center;
    color: var(--graphite);
    background: var(--ivory);
  }

  .hero-title {
    font-size: clamp(1.55rem, 6.5vw, 2rem);
    max-width: none;
  }

  .hero-visual-frame {
    aspect-ratio: 16 / 11;
  }

  .signal-svg {
    display: none;
  }

  .signal-mobile {
    display: grid;
    position: relative;
    gap: 0.15rem;
    padding-left: 0.4rem;
  }

  .signal-rail {
    position: absolute;
    left: 15px;
    top: 1.1rem;
    bottom: 1.1rem;
    width: 1px;
    background: var(--dark-line);
  }

  .signal-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-height: 52px;
    padding: 0.35rem 0.4rem;
    color: var(--dark-text);
    opacity: 0.4;
    text-align: left;
  }

  .signal-row.is-active {
    opacity: 1;
  }

  .signal-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--ivory);
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
  }

  .signal-row.is-active .signal-dot {
    background: var(--lime);
    box-shadow: 0 0 0 5px rgba(33, 85, 244, 0.25);
  }

  .signal-row-copy {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
  }

  .signal-row-name {
    font-weight: 600;
    letter-spacing: -0.02em;
  }

  .signal-row-chip {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dark-muted);
  }

  .signal-band {
    clip-path: none;
    padding-top: 2.4rem;
  }

  .mix-ghost {
    display: none;
  }

  .principle-copy {
    max-height: none;
    opacity: 1;
    transform: none;
    overflow: visible;
  }

  .footer-base {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hub-path,
  .mix-panel,
  .principle-copy,
  .btn,
  .btn-arrow {
    transition: none;
  }

  .hub-path {
    stroke-dashoffset: 0;
  }

  .mix-panel {
    filter: none;
    transform: none;
  }

  .hub-ring-outer,
  .live-dot,
  .node-group,
  .hero-visual-frame img,
  .hero-visual-scan,
  .hero-visual-pulse {
    animation: none;
  }

  .hero-visual-frame img {
    transform: none;
  }

  .masthead--home .mast-link,
  .masthead--home .mast-node {
    transition: none;
    transform: none;
  }

  .particle {
    display: none;
  }
}