@import url("./assets/brand/palette.css");

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("./assets/fonts/inter-latin.woff2") format("woff2");
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--arkanto-black);
  color: var(--arkanto-black);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  font-family: "Inter", Arial, sans-serif;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(34px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.02;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.08;
  text-transform: uppercase;
}

h3 {
  font-size: 20px;
  line-height: 1.2;
}

::selection {
  background: var(--arkanto-violet);
  color: var(--arkanto-black);
}

:focus-visible {
  outline: 3px solid var(--arkanto-violet);
  outline-offset: 4px;
}

.container {
  width: min(100% - 48px, 1240px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  transform: translateY(-160%);
  background: var(--arkanto-white);
  color: var(--arkanto-black);
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid var(--arkanto-line-dark);
  color: var(--arkanto-white);
}

.nav-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 88px;
  gap: 32px;
}

.brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 12px;
  line-height: 1;
}


.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav a,
.nav-cta {
  transition: color 180ms ease;
}

.main-nav a:hover,
.nav-cta:hover {
  color: var(--arkanto-violet);
}

.nav-cta {
  justify-self: end;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-cta span {
  margin-left: 8px;
  color: var(--arkanto-violet);
}

.hero {
  position: relative;
  min-height: 800px;
  overflow: hidden;
  background: var(--arkanto-black);
  color: var(--arkanto-white);
}

.hero-grid,
.intelligence-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 70%, transparent);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 12%;
  right: 2%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: var(--arkanto-glow);
  filter: blur(160px);
  opacity: 0.42;
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(440px, 1.12fr);
  align-items: center;
  min-height: 800px;
  padding-top: 128px;
  padding-bottom: 100px;
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 610px;
}

.eyebrow {
  margin-bottom: 28px;
  color: var(--arkanto-purple);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-eyebrow {
  color: var(--arkanto-violet);
}

.hero-code {
  display: inline-block;
  color: var(--arkanto-violet);
}

.hero-intro {
  max-width: 570px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--arkanto-purple);
  color: var(--arkanto-white);
}

.button-primary:hover {
  background: var(--arkanto-white);
  color: var(--arkanto-black);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid currentColor;
  color: var(--arkanto-black);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero .text-link,
.text-link-light {
  color: var(--arkanto-white);
}

.text-link span {
  color: var(--arkanto-violet);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 64px;
  border-top: 1px solid var(--arkanto-line-dark);
}

.hero-proof div {
  padding: 18px 18px 0 0;
}

.hero-proof div + div {
  padding-left: 18px;
  border-left: 1px solid var(--arkanto-line-dark);
}

.hero-proof strong,
.hero-proof span {
  display: block;
}

.hero-proof strong {
  color: var(--arkanto-violet);
  font-size: 20px;
  line-height: 1.2;
}

.hero-proof span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 10px;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-art {
  position: absolute;
  top: 112px;
  right: min(-10vw, -100px);
  bottom: 38px;
  width: min(66vw, 900px);
}

.hero-art::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, var(--arkanto-black) 2%, transparent 37%),
    linear-gradient(0deg, var(--arkanto-black) 0%, transparent 22%);
  pointer-events: none;
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% center;
  opacity: 0.94;
}

.data-card {
  position: absolute;
  z-index: 3;
  width: 190px;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(9, 7, 12, 0.66);
  backdrop-filter: blur(16px);
  color: var(--arkanto-white);
}

.data-card span,
.data-card strong {
  display: block;
}

.data-card span {
  margin-bottom: 7px;
  color: var(--arkanto-violet);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.data-card strong {
  font-size: 12px;
  font-weight: 600;
}

.data-card-top {
  top: 18%;
  right: 16%;
}

.data-card-bottom {
  right: 29%;
  bottom: 12%;
}

.orbit-label {
  position: absolute;
  z-index: 3;
  color: rgba(255, 255, 255, 0.56);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.orbit-label-one {
  top: 28%;
  left: 36%;
}

.orbit-label-two {
  right: 18%;
  bottom: 37%;
}

.hero-index {
  position: absolute;
  right: 0;
  bottom: 26px;
  left: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.35);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.knowledge-rail {
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  background: var(--arkanto-purple);
  color: var(--arkanto-white);
}

.rail-track {
  display: flex;
  width: max-content;
  padding: 17px 0;
  will-change: transform;
}

.rail-track span {
  padding-right: 36px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.section-light,
.section-dark {
  position: relative;
  padding: 124px 0;
}

.section-light {
  background: var(--arkanto-off-white);
}

.section-dark {
  overflow: hidden;
  background: var(--arkanto-black);
  color: var(--arkanto-white);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 72px;
}

.section-heading-split {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 80px;
}

.section-heading-split h2,
.section-heading-split p:last-child {
  margin-bottom: 0;
}

.section-heading-split > p {
  color: var(--arkanto-gray);
  font-size: 15px;
}

.vision {
  padding-bottom: 72px;
}

.vision-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  margin-bottom: 88px;
  padding-top: 40px;
  border-top: 1px solid var(--arkanto-line-light);
}

.vision-lead {
  max-width: 520px;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.vision-notes {
  max-width: 520px;
  color: var(--arkanto-gray);
}

.code-note {
  display: inline-block;
  margin-top: 24px;
  color: var(--arkanto-purple);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.signal-card {
  min-height: 310px;
  padding: 34px;
  border: 1px solid var(--arkanto-line-light);
  background: var(--arkanto-white);
}

.signal-card + .signal-card {
  border-left: 0;
}

.signal-card h3 {
  margin: 112px 0 16px;
}

.signal-card p {
  margin-bottom: 0;
  color: var(--arkanto-gray);
  font-size: 14px;
}

.signal-number {
  color: var(--arkanto-purple);
  font-size: 11px;
  font-weight: 800;
}

.signal-card-purple {
  border-color: var(--arkanto-purple);
  background: var(--arkanto-purple);
  color: var(--arkanto-white);
}

.signal-card-purple .signal-number,
.signal-card-purple p,
.signal-card-dark .signal-number,
.signal-card-dark p {
  color: rgba(255, 255, 255, 0.68);
}

.signal-card-dark {
  border-color: var(--arkanto-black);
  background: var(--arkanto-black);
  color: var(--arkanto-white);
}

.solutions {
  padding-top: 80px;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--arkanto-line-light);
  border-left: 1px solid var(--arkanto-line-light);
}

.solution-card {
  min-height: 290px;
  padding: 32px;
  border-right: 1px solid var(--arkanto-line-light);
  border-bottom: 1px solid var(--arkanto-line-light);
  background: transparent;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}

.solution-card:hover {
  position: relative;
  z-index: 2;
  background: var(--arkanto-black);
  color: var(--arkanto-white);
  transform: translateY(-8px);
}

.solution-card:hover p {
  color: rgba(255, 255, 255, 0.62);
}

.solution-top {
  display: flex;
  justify-content: space-between;
  color: var(--arkanto-purple);
  font-size: 11px;
  font-weight: 800;
}

.solution-card h3 {
  margin: 100px 0 16px;
}

.solution-card p {
  margin-bottom: 0;
  color: var(--arkanto-gray);
  font-size: 14px;
  transition: color 200ms ease;
}

.intelligence {
  min-height: 700px;
}

.intelligence::before {
  position: absolute;
  top: -220px;
  right: -180px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: var(--arkanto-purple);
  content: "";
  filter: blur(200px);
  opacity: 0.25;
}

.intelligence-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 100px;
}

.intelligence-copy p:not(.eyebrow) {
  max-width: 470px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.62);
}

.system-map {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--arkanto-line-dark);
  background: rgba(255, 255, 255, 0.02);
}

.system-map::before,
.system-map::after {
  position: absolute;
  content: "";
  background: var(--arkanto-line-dark);
}

.system-map::before {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.system-map::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.system-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  display: grid;
  width: 150px;
  height: 150px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  justify-items: center;
  padding: 20px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--arkanto-violet);
  border-radius: 50%;
  background: var(--arkanto-black);
  box-shadow: 0 0 60px var(--arkanto-glow);
  color: var(--arkanto-violet);
}

.system-core strong {
  color: var(--arkanto-white);
  font-size: 24px;
}

.system-core small {
  grid-column: 1 / -1;
  margin-top: -24px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 7px;
  letter-spacing: 0.15em;
}

.system-node {
  position: absolute;
  z-index: 3;
  padding: 10px 13px;
  border: 1px solid var(--arkanto-line-dark);
  background: var(--arkanto-black);
  color: rgba(255, 255, 255, 0.68);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.system-node span {
  margin-right: 8px;
  color: var(--arkanto-violet);
}

.node-one {
  top: 58px;
  left: 52px;
}

.node-two {
  top: 62px;
  right: 52px;
}

.node-three {
  bottom: 58px;
  left: 52px;
}

.node-four {
  right: 52px;
  bottom: 58px;
}

.system-line {
  position: absolute;
  z-index: 1;
  width: 110px;
  height: 1px;
  transform-origin: left center;
  background: linear-gradient(90deg, var(--arkanto-violet), transparent);
}

.line-one {
  top: 135px;
  left: 165px;
  transform: rotate(32deg);
}

.line-two {
  top: 134px;
  right: 165px;
  transform: rotate(148deg);
}

.line-three {
  bottom: 135px;
  left: 165px;
  transform: rotate(-32deg);
}

.line-four {
  right: 165px;
  bottom: 134px;
  transform: rotate(212deg);
}

.method-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--arkanto-black);
  list-style: none;
}

.method-item {
  min-height: 330px;
  padding: 32px 24px 0 0;
}

.method-item + .method-item {
  padding-left: 28px;
  border-left: 1px solid var(--arkanto-line-light);
}

.method-number {
  color: var(--arkanto-purple);
  font-size: 11px;
  font-weight: 800;
}

.method-item h3 {
  margin: 126px 0 16px;
  font-size: 22px;
  text-transform: uppercase;
}

.method-item p {
  margin-bottom: 0;
  color: var(--arkanto-gray);
  font-size: 14px;
}

.cta {
  padding: 112px 0;
}

.cta-orbit {
  position: absolute;
  right: -180px;
  bottom: -320px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(157, 92, 255, 0.42);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(109, 40, 255, 0.06),
    0 0 0 140px rgba(109, 40, 255, 0.035);
}

.cta-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.6fr);
  align-items: end;
  gap: 100px;
}

.cta h2 {
  max-width: 720px;
  margin-bottom: 0;
}

.cta-side p {
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.62);
}

.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--arkanto-line-dark);
  background: var(--arkanto-black);
  color: var(--arkanto-white);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}

.footer-layout p {
  margin: 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-layout p:last-child {
  justify-self: end;
}

@media (min-width: 1600px) {
  .hero-art {
    right: calc((100vw - 1460px) / 2 * -1);
  }
}

@media (max-width: 1040px) {
  .main-nav {
    display: none;
  }

  .nav-wrap {
    grid-template-columns: 1fr auto;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  }

  .hero-art {
    right: -220px;
    width: 780px;
  }

  .signal-card {
    padding: 26px;
  }

  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .intelligence-layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
  }

  .method-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-item:nth-child(3) {
    border-left: 0;
  }
}

@media (max-width: 780px) {
  .container {
    width: min(100% - 36px, 1240px);
  }

  .site-header {
    position: absolute;
  }

  .nav-wrap {
    min-height: 74px;
  }

  .nav-cta {
    font-size: 10px;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    display: block;
    min-height: auto;
    padding-top: 140px;
    padding-bottom: 92px;
  }

  .hero-copy {
    max-width: 640px;
  }

  .hero-art {
    top: auto;
    right: -210px;
    bottom: 0;
    width: 720px;
    height: 520px;
    opacity: 0.46;
  }

  .hero-art::after {
    background:
      linear-gradient(90deg, var(--arkanto-black) 0%, transparent 60%),
      linear-gradient(0deg, var(--arkanto-black) 0%, transparent 50%),
      linear-gradient(180deg, var(--arkanto-black) 0%, transparent 44%);
  }

  .data-card,
  .orbit-label {
    display: none;
  }

  .hero-index {
    display: none;
  }

  .hero-proof {
    max-width: 560px;
    margin-top: 52px;
  }

  .section-light,
  .section-dark {
    padding: 92px 0;
  }

  .section-heading,
  .section-heading-split {
    margin-bottom: 52px;
  }

  .section-heading-split,
  .vision-layout,
  .intelligence-layout,
  .cta-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .vision-layout {
    gap: 24px;
    margin-bottom: 60px;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .signal-card {
    min-height: 250px;
  }

  .signal-card + .signal-card {
    border-top: 0;
    border-left: 1px solid var(--arkanto-line-light);
  }

  .signal-card-purple + .signal-card-dark {
    border-left-color: var(--arkanto-black);
  }

  .signal-card h3 {
    margin-top: 78px;
  }

  .intelligence-layout {
    gap: 62px;
  }

  .system-map {
    min-height: 400px;
  }

  .cta-layout {
    align-items: start;
  }

  .cta-side {
    max-width: 520px;
  }

  .footer-layout {
    grid-template-columns: 1fr 1fr;
  }

  .footer-layout p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 30px;
  }

  .nav-cta {
    display: none;
  }

  .nav-wrap {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .hero-proof div {
    padding: 15px 0;
  }

  .hero-proof div + div {
    padding-left: 0;
    border-top: 1px solid var(--arkanto-line-dark);
    border-left: 0;
  }

  .solutions-grid,
  .method-list {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: 250px;
  }

  .solution-card h3 {
    margin-top: 72px;
  }

  .system-map {
    min-height: 450px;
  }

  .system-core {
    width: 130px;
    height: 130px;
  }

  .system-node {
    max-width: 118px;
    font-size: 8px;
  }

  .node-one,
  .node-three {
    left: 16px;
  }

  .node-two,
  .node-four {
    right: 16px;
  }

  .system-line {
    display: none;
  }

  .method-item,
  .method-item + .method-item {
    min-height: 250px;
    padding: 28px 0 36px;
    border-top: 1px solid var(--arkanto-line-light);
    border-left: 0;
  }

  .method-item h3 {
    margin-top: 74px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }

  .footer-layout p:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* ═══ EXPERIÊNCIA — controles, matéria e navegação por toque ═══ */
:root {
  --arkanto-gray: #635d69;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --experience-ease: cubic-bezier(.16, 1, .3, 1);
}
[hidden], .enhanced-only { display: none !important; }
html.is-enhanced .enhanced-only { display: flex !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
button { color: inherit; font: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; }
button, a { touch-action: manipulation; }
section[id] { scroll-margin-top: 28px; }
body { padding-bottom: 0; }
.site-header { background: linear-gradient(180deg, rgba(9,7,12,.65), transparent); }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 22px; }

.hero-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 26px; min-height: 860px; padding-top: 132px; padding-bottom: 90px; }
.hero-copy { max-width: 610px; }
h1 { font-size: clamp(38px, 3.8vw, 54px); line-height: 1.04; letter-spacing: -.052em; }
.hero-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; font-family: var(--mono); font-weight: 600; letter-spacing: .08em; }
.hero-eyebrow::before { content: ''; width: 5px; height: 5px; flex: 0 0 5px; border-radius: 50%; background: #c1a0ff; box-shadow: 0 0 14px #9d5cff; }
.hero-intro { max-width: 520px; font-size: 15px; line-height: 1.8; }
.hero-actions { flex-wrap: wrap; gap: 16px 24px; }
.text-link { min-height: 44px; border-bottom: 0; text-decoration: underline; text-underline-offset: 7px; }
.button { position: relative; isolation: isolate; overflow: hidden; min-height: 54px; transition: background .3s, color .3s, box-shadow .3s, transform .3s; }
.button-primary { box-shadow: 0 0 30px rgba(109,40,255,.16), inset 0 1px rgba(255,255,255,.24); }
.button-primary::before { position: absolute; inset: 0; z-index: -1; content: ''; background: linear-gradient(105deg, transparent 25%, rgba(255,255,255,.24) 50%, transparent 75%); transform: translateX(-150%); transition: transform .7s; }
.button-primary:hover::before { transform: translateX(150%); }
.button-primary:hover { box-shadow: 0 5px 38px rgba(109,40,255,.32); }
.hero-proof { margin-top: 42px; }
.hero-proof span { color: #a19aa9; font-size: 9px; }
.hero-art { position: relative; inset: auto; width: calc(100% + 60px); height: 594px; margin-left: -10px; isolation: isolate; opacity: 1; touch-action: pan-y; }
.hero-art img { position: absolute; inset: 0; object-fit: cover; object-position: right center; opacity: .57; transform: translateX(-7%); mask-image: radial-gradient(ellipse at center, #000 10%, transparent 70%); pointer-events: none; }
.hero-art::after { inset: 0; z-index: 0; background: radial-gradient(ellipse, transparent 30%, #09070c 78%); }
.core-canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.core-reticle { position: absolute; inset: 62px 24px 78px; z-index: 2; pointer-events: none; border: 1px solid rgba(173,130,255,.07); border-radius: 50%; }
.core-reticle::after { position: absolute; inset: 21px; border: 1px dashed rgba(173,130,255,.13); border-radius: 50%; content: ''; }
.core-reticle span { position: absolute; width: 10px; height: 10px; border: solid #8d709d; opacity: .6; }
.core-reticle span:nth-child(1) { top: 0; left: 0; border-width: 1px 0 0 1px; }
.core-reticle span:nth-child(2) { top: 0; right: 0; border-width: 1px 1px 0 0; }
.core-reticle span:nth-child(3) { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.core-reticle span:nth-child(4) { bottom: 0; right: 0; border-width: 0 1px 1px 0; }
.core-meta { position: absolute; top: 23px; inset-inline: 24px; z-index: 3; display: flex; justify-content: space-between; color: #ac9dbf; font: 8px var(--mono); letter-spacing: .1em; pointer-events: none; }
.core-meta i { display: inline-block; width: 4px; height: 4px; margin-right: 5px; border-radius: 50%; background: #c6a9ff; box-shadow: 0 0 10px #9d5cff; }
.core-trigger { position: absolute; z-index: 5; inset: 18% 14% 23%; border: 0; border-radius: 50%; background: transparent; touch-action: pan-y; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.core-trigger:focus-visible { outline-offset: -16px; outline: 1px dashed #cfb5ff; }
.core-hint { position: absolute; z-index: 6; bottom: 23px; inset-inline: 24px; align-items: center; justify-content: center; gap: 12px; color: #b8afc4; font-size: 11px; pointer-events: none; }
.core-hint b { color: #e5d8f7; font-weight: 500; }
.core-hint > span:last-child { margin-left: auto; }
.touch-glyph { color: #bc91ff; font-size: 24px; }
.data-card { width: 164px; padding: 12px 14px; border-color: rgba(168,132,216,.24); background: rgba(9,7,12,.74); pointer-events: none; transition: border-color .5s, box-shadow .5s; }
.data-card-top { top: 18%; right: -4%; }
.data-card-bottom { right: auto; left: 0; bottom: 20%; }
.data-card strong { font-size: 11px; }
.data-card span { font-family: var(--mono); font-size: 8px; color: #bb8dff; }
.orbit-label { font-family: var(--mono); color: #ac9abb; pointer-events: none; }
.orbit-label-one { left: 8%; top: 34%; }
.orbit-label-two { right: 5%; bottom: 32%; }
.hero-art.is-charging .data-card { border-color: #ac76ff; box-shadow: 0 0 25px rgba(109,40,255,.2); }
.hero-index { font-family: var(--mono); color: #a49bae; }
.hero-grid { background-size: 64px 64px; opacity: .55; }
.hero-glow { filter: blur(100px); opacity: .22; }
.rail-track { animation: knowledge-drift 34s linear infinite; will-change: auto; }
.knowledge-rail:hover .rail-track { animation-play-state: paused; }
@keyframes knowledge-drift { to { transform: translateX(-50%); } }

/* Luz direcional sem alterar a leitura dos cards. */
.signal-card, .solution-card { position: relative; isolation: isolate; overflow: hidden; }
.signal-card::after, .solution-card::after { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; background: radial-gradient(380px circle at var(--spot-x,50%) var(--spot-y,50%), rgba(157,92,255,.17), transparent 65%); transition: opacity .3s; }
.signal-card:hover::after, .solution-card:hover::after, .solution-card:focus-within::after { opacity: 1; }
.signal-card { transition: border-color .3s; }
.signal-card:hover { border-color: #a578d9; }
.solution-card:hover { transform: none; }
.solution-card:hover p { color: #c3bacf; }
.solution-card h3 { margin-top: 82px; }
.solution-toggle { padding: 0; border: 0; background: transparent; color: inherit; font: inherit; text-align: left; }
.solution-toggle::after { content: ''; position: absolute; inset: 0; z-index: 2; }
.solution-toggle:focus-visible { outline: none; }
.solution-card:has(.solution-toggle:focus-visible) { outline: 3px solid #6d28ff; outline-offset: -4px; }
.solution-top span:last-child { font-size: 17px; transition: transform .4s; }
.solution-card.is-selected { background: #180b2c; color: white; box-shadow: inset 0 3px #9d5cff; }
.solution-card.is-selected p { color: #c9bdd8; }
.solution-card.is-selected .solution-top span:last-child { transform: rotate(90deg); color: #caa8ff; }
.solution-card.is-linked { box-shadow: inset 0 3px #9d5cff; background: #eee7f7; }
.solution-card.is-linked:hover { background: #21122f; }
.solution-console { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; padding: 28px 60px 28px 28px; border: 1px solid #a397b6; border-top: 0; background: #eae3f2; }
.console-label { display: block; color: #8052ab; font: 9px var(--mono); letter-spacing: .14em; }
.solution-console strong { display: block; margin-top: 8px; font-size: 16px; }
.solution-connections { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.solution-connections button { min-height: 44px; padding: 10px 13px; border: 1px solid #b9a7ce; background: transparent; font-size: 11px; }
.solution-connections button:hover { background: #180b2c; color: #fff; }
.console-close, .dialog-close { width: 44px; height: 44px; border: 1px solid #4b3b5f; background: transparent; color: inherit; font: 26px var(--mono); }
.console-close { position: absolute; right: 8px; top: 8px; border: 0; }

/* Mapa de conhecimento — quatro conexões interativas. */
.system-map { min-height: 540px; background: radial-gradient(ellipse at 50% 40%, rgba(109,40,255,.11), transparent 66%); border-color: #392944; }
.system-map::before { top: 38%; }
.system-map::after { bottom: 130px; }
.system-core { top: 38%; width: 136px; height: 136px; box-shadow: 0 0 65px rgba(109,40,255,.3); transition: box-shadow .5s, border-color .5s; }
.system-core::before { content: ''; position: absolute; inset: -13px; border: 1px dashed rgba(157,92,255,.45); border-radius: 50%; animation: core-ring 45s linear infinite; }
@keyframes core-ring { to { transform: rotate(360deg); } }
.system-core small { color: #b6a3cd; }
.system-map.has-connection .system-core { border-color: #dfc7ff; box-shadow: 0 0 80px rgba(109,40,255,.55); }
.system-node { min-height: 46px; display: flex; align-items: center; justify-content: center; padding: 10px 14px; color: #c3b4d4; font: 9px var(--mono); letter-spacing: .08em; transition: color .25s, border-color .25s, background .25s, box-shadow .25s; }
.system-node:hover, .system-node[aria-pressed="true"] { color: white; border-color: #ab74ed; background: #2e1450; box-shadow: 0 0 25px rgba(109,40,255,.16); }
.node-one { top: 11%; left: 7%; }
.node-two { top: 11%; right: 7%; }
.node-three { bottom: 31%; left: 7%; }
.node-four { bottom: 31%; right: 7%; }
.map-connections { position: absolute; top: 0; left: 0; width: 100%; height: 76%; pointer-events: none; }
.map-connections path { fill: none; stroke: #614080; stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 3 7; }
.map-connections path.is-active { stroke: #c59bff; stroke-width: 2; animation: signal-flow 2s linear infinite; }
@keyframes signal-flow { to { stroke-dashoffset: -40; } }
.map-instruction { position: absolute; top: 17px; left: 20px; color: #aa96c0; font: 8px var(--mono); letter-spacing: .13em; }
.map-readout { position: absolute; bottom: 0; inset-inline: 0; flex-direction: column; justify-content: center; min-height: 125px; padding: 22px 26px; border-top: 1px solid #392944; background: rgba(14,8,23,.8); }
.map-readout > span { color: #c79dff; font: 9px var(--mono); letter-spacing: .08em; }
.map-readout p { margin: 10px 0 0; color: #c4b8d2; font-size: 12px; line-height: 1.65; }
.method-list { position: relative; }
.method-list::before { content: ''; position: absolute; top: -1px; left: 0; width: 100%; height: 2px; background: #6d28ff; transform: scaleX(var(--method-progress, 0)); transform-origin: left; }
.method-item { position: relative; transition: background .4s; }
.method-item::before { content: ''; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border: 1px solid #635076; border-radius: 50%; background: #f5f2eb; transition: background .4s, box-shadow .4s; }
.method-item.is-current::before { background: #6d28ff; box-shadow: 0 0 0 6px rgba(109,40,255,.1); }
.method-item.is-current .method-number { color: #5114cc; }

/* Navegação ao alcance do polegar. */
.reading-progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 40; pointer-events: none; }
.reading-progress span { width: 100%; transform: scaleX(0); transform-origin: left; background: #ab72ff; box-shadow: 0 0 10px #9d5cff; }
.experience-dock { position: fixed; bottom: max(22px, env(safe-area-inset-bottom)); left: 50%; z-index: 30; align-items: center; width: max-content; max-width: calc(100% - 24px); padding: 6px; gap: 4px; border: 1px solid rgba(189,156,230,.27); border-radius: 14px; background: rgba(15,10,23,.92); box-shadow: 0 8px 45px rgba(0,0,0,.27), inset 0 1px rgba(255,255,255,.06); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); transform: translateX(-50%); color: #e7def2; }
.experience-dock button, .experience-dock a { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 8px 14px; border: 0; border-radius: 8px; background: transparent; font-size: 11px; font-weight: 500; white-space: nowrap; }
.experience-dock button:hover { background: #2a1d39; }
.experience-dock .dock-contact { background: #6d28ff; color: white; padding-inline: 18px; }
.experience-dock .dock-contact:hover { background: #8144ff; }
.dock-divider { width: 1px; height: 20px; margin-inline: 2px; background: #463651; }
.dock-orbit { width: 23px; height: 23px; }
.dock-orbit svg { width: 100%; fill: none; stroke: #685276; stroke-width: 1.2; }
.dock-orbit path { stroke: #ceb5ea; }
.dock-progress { stroke: #c390ff; stroke-dasharray: 56.55; stroke-dashoffset: calc(56.55 * (1 - var(--reading, 0))); transform: rotate(-90deg); transform-origin: center; }
kbd { padding: 3px 4px; margin-left: 4px; border: 1px solid #41334e; border-radius: 3px; color: #9d8cb0; font: 9px var(--mono); }
.experience-icon { color: #c5a1f5; font-size: 21px; line-height: 1; }
.site-footer { padding-bottom: 115px; }

/* Painéis nativos: foco, Escape e teclado preservados. */
.control-dialog { width: min(480px, calc(100% - 32px)); max-height: calc(100dvh - 48px); margin: auto; padding: 28px; overflow-y: auto; overscroll-behavior: contain; border: 1px solid #534063; border-radius: 18px; background: radial-gradient(ellipse at 100% 0, #29163b, transparent 65%), #100b17; color: #f2ecfa; box-shadow: 0 30px 120px #0008; }
.control-dialog[open] { animation: dialog-in .35s var(--experience-ease); }
.control-dialog::backdrop { background: rgba(4,2,8,.75); backdrop-filter: blur(9px); -webkit-backdrop-filter: blur(9px); }
html:has(dialog[open]) { overflow: hidden; }
.dialog-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.dialog-top .console-label { color: #b594d6; }
.dialog-close { border-radius: 50%; }
.dialog-close:hover { background: #382344; }
.control-dialog h2 { margin-bottom: 12px; font-size: 32px; line-height: 1.08; letter-spacing: -.045em; }
.chapter-list { margin-top: 30px; }
.chapter-list a { display: grid; grid-template-columns: 30px 1fr 20px; gap: 12px; align-items: center; min-height: 60px; border-top: 1px solid #3c2c4b; }
.chapter-list a > span { color: #bc94e7; font: 10px var(--mono); }
.chapter-list strong { font-size: 18px; font-weight: 500; }
.chapter-list a:hover, .chapter-list a[aria-current="location"] { color: #c299ff; }
.chapter-list a[aria-current="location"] > span:last-child { width: 6px; height: 6px; overflow: hidden; border-radius: 50%; background: #a76df5; color: transparent; }
.dialog-footnote { display: block; margin-top: 24px; color: #aa99b9; font: 9px/1.6 var(--mono); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }

@media (min-width: 1920px) {
  .container { max-width: 1400px; }
  .hero-layout { min-height: 930px; }
  .hero-art { width: 100%; height: 660px; margin: 0; }
  h1 { font-size: 60px; }
  .section-light, .section-dark { padding-block: 136px; }
}
@media (max-width: 1366px) and (min-width: 1041px) {
  .container { width: min(100% - 80px, 1160px); }
  .hero-art { width: calc(100% + 20px); margin-left: 0; }
  h1 { font-size: 46px; }
  .header-actions { gap: 12px; }
  .main-nav { gap: 25px; }
}
@media (max-width: 1040px) {
  .nav-wrap { grid-template-columns: 1fr auto; }
  .hero-layout { min-height: 830px; gap: 0; }
  .hero-art { width: calc(100% + 32px); height: 510px; margin-left: 0; }
  h1 { font-size: 39px; }
  .hero-intro { font-size: 14px; }
  .data-card { width: 140px; }
  .data-card-top { right: 2%; }
  .data-card-bottom { left: 1%; }
  .core-meta { font-size: 7px; inset-inline: 14px; }
  .core-hint { font-size: 10px; inset-inline: 14px; }
  .method-list::before, .method-item::before { display: none; }
}
@media (max-width: 780px) {
  .nav-wrap { min-height: 76px; grid-template-columns: 1fr auto; gap: 12px; }
  .header-actions { gap: 12px; }
  .nav-cta { display: none; }
  .hero-layout { display: flex; flex-direction: column; align-items: stretch; min-height: 0; padding-top: 108px; padding-bottom: 46px; }
  .hero-copy { display: contents; }
  .hero-eyebrow { order: 0; margin-bottom: 24px; font-size: 9px; }
  .hero h1 { order: 1; max-width: 610px; margin-bottom: 24px; font-size: clamp(34px, 6.3vw, 46px); }
  .hero-intro { order: 2; max-width: 570px; margin-bottom: 22px; font-size: 14px; line-height: 1.75; }
  .hero-actions { order: 3; flex-direction: row; align-items: center; gap: 10px 18px; }
  .hero-art { order: 4; width: min(100%, 560px); height: 430px; margin: 24px auto 0; opacity: 1; }
  .hero-art img { opacity: .55; }
  .hero-art::after { background: radial-gradient(ellipse, transparent 20%, #09070c 75%); }
  .core-reticle { inset: 52px 22px 70px; }
  .data-card { display: block; width: 134px; padding: 10px; }
  .data-card-top { top: 23%; right: 0; }
  .data-card-bottom { bottom: 22%; left: 0; }
  .data-card strong { font-size: 9px; }
  .data-card span { font-size: 7px; }
  .hero-proof { order: 5; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); width: 100%; max-width: none; margin-top: 14px; }
  .hero-proof div { padding: 18px 10px 0 0; }
  .hero-proof div + div { padding: 18px 10px 0 12px; border-top: 0; border-left: 1px solid var(--arkanto-line-dark); }
  .hero-proof strong { font-size: 20px; }
  .hero-proof span { font-size: 8px; line-height: 1.6; }
  .section-light, .section-dark { padding-block: 78px; }
  .section-heading { margin-bottom: 40px; }
  .signal-card { min-height: 210px; }
  .signal-card h3 { margin-top: 56px; }
  .vision-layout { margin-bottom: 42px; }
  .solution-console { grid-template-columns: 1fr; gap: 16px; padding: 22px 42px 22px 22px; }
  .intelligence-layout { gap: 40px; }
  .system-map { min-height: 490px; }
  .system-core { width: 120px; height: 120px; }
  .system-core strong { font-size: 21px; }
  .system-core small { font-size: 6px; }
  .system-node { max-width: none; font-size: 8px; padding: 10px; }
  .node-one, .node-three { left: 5%; }
  .node-two, .node-four { right: 5%; }
  .method-item, .method-item + .method-item { min-height: 230px; }
  .method-item h3 { margin-top: 65px; }
  .experience-dock kbd { display: none; }
  .experience-dock { bottom: max(12px, env(safe-area-inset-bottom)); }
  .control-dialog { margin: auto auto max(12px, env(safe-area-inset-bottom)); padding: 24px; max-height: calc(100dvh - 28px); border-radius: 20px; }
  .site-footer { padding-bottom: calc(110px + env(safe-area-inset-bottom)); }
}
@media (max-width: 560px) {
  .container { width: calc(100% - 40px); }
  .hero h1 { font-size: clamp(31px, 8.3vw, 43px); line-height: 1.04; letter-spacing: -.045em; }
  .hero-eyebrow { margin-bottom: 22px; font-size: 8px; letter-spacing: .06em; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 7px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { align-self: center; justify-content: center; font-size: 10px; }
  .hero-art { height: 358px; margin-top: 12px; }
  .core-meta { inset-inline: 0; top: 16px; }
  .core-hint { inset-inline: 2px; bottom: 12px; gap: 8px; font-size: 9px; }
  .core-reticle { inset: 42px 10px 54px; }
  .hero-art img { opacity: .5; }
  .data-card { width: 112px; }
  .data-card-top { right: -4px; top: 20%; }
  .data-card-bottom { left: -4px; bottom: 19%; }
  .hero-proof { margin-top: 22px; }
  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card { min-height: 220px; padding: 25px; }
  .solution-card h3 { margin-top: 56px; }
  .method-item, .method-item + .method-item { min-height: 0; padding: 25px 0 30px 46px; }
  .method-number { position: absolute; top: 31px; left: 0; font-size: 10px; }
  .method-item h3 { margin-top: 4px; font-size: 21px; }
  .method-item.is-current { box-shadow: inset 2px 0 #6d28ff; }
  .method-item.is-current .method-number { left: 8px; }
  .experience-dock { width: calc(100% - 24px); max-width: 390px; gap: 0; justify-content: space-between; }
  .experience-dock button, .experience-dock a { padding-inline: 10px; font-size: 10px; gap: 6px; }
  .experience-dock .dock-contact { padding-inline: 13px; }
  .dock-divider { margin-inline: 0; }
  .control-dialog h2 { font-size: 29px; }
  .dialog-top { margin-bottom: 26px; }
}
@media (max-width: 359px) {
  .container { width: calc(100% - 32px); }
  .hero-layout { padding-top: 99px; }
  .hero h1 { font-size: 29px; }
  .hero-intro { font-size: 13px; }
  .experience-dock button, .experience-dock a { padding-inline: 7px; }
  .experience-dock .dock-contact { padding-inline: 10px; }
  .dock-orbit { width: 19px; height: 19px; }
  .core-hint b { display: block; }
}
html[data-motion="off"] { scroll-behavior: auto; }
html[data-motion="off"] *, html[data-motion="off"] *::before, html[data-motion="off"] *::after { animation: none !important; transition: none !important; }
html.is-page-hidden *, html.is-page-hidden *::before, html.is-page-hidden *::after { animation-play-state: paused !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.solutions-grid > .solution-console { grid-column: 1 / -1; border-left: 0; border-right-color: var(--arkanto-line-light); }

/* Alinha o centro da arte original ao centro da projeção interativa. */
.hero-art img { inset: 0 auto auto 50%; width: auto; height: 100%; max-width: none; aspect-ratio: 1.5; object-fit: contain; transform: translateX(-73%); mask-image: radial-gradient(ellipse at 73% 47%, #000 8%, transparent 54%); }
.interaction-cue { align-items: center; gap: 10px; margin: 0 0 18px; color: #69577a; font: 10px/1.6 var(--mono); }
.interaction-cue > span { color: #6d28ff; font-size: 18px; }
.solution-card.is-selected .solution-top span:last-child { transform: rotate(45deg); }

.brand { min-height: 44px; }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.solution-toggle { min-height: 44px; }

/* Experiência automática, sem controles de ativação ou desativação. */
.header-actions .nav-cta { display: inline-flex; align-items: center; min-height: 44px; }
.dock-core:hover { background: #2a1d39; }
#nucleo-vivo { scroll-margin-top: 24px; }
@media (max-width: 560px) { .header-actions .nav-cta { font-size: 9px; letter-spacing: .02em; } }
@media (max-width: 359px) { .header-actions .nav-cta { font-size: 8px; } .brand { gap: 8px; } }

/* Fundos decorativos não criam contêineres de rolagem ao focar um botão. */
.hero, .section-dark, .knowledge-rail { overflow: clip; }

.section-dark .eyebrow { color: #b88aff; }
.footer-layout p { color: #aaa0b5; }

/* ═══ MATÉRIA VIVA — atividade contínua e respostas em escala maior ═══ */
.hero::before { position: absolute; inset: 0; content: ''; pointer-events: none; background: radial-gradient(ellipse at 75% 50%, #6d28ff1c, transparent 55%); }
.hero::after { position: absolute; inset: 0; z-index: 1; content: ''; pointer-events: none; background: linear-gradient(transparent 49.8%, #be8aff24 50%, transparent 50.2%); animation: atmosphere-scan 9s linear infinite; animation-play-state: paused; }
.hero.scene-visible::after { animation-play-state: running; }
@keyframes atmosphere-scan { from { transform: translateY(-70%); } to { transform: translateY(70%); } }
.hero-art img { opacity: .25; }
.hero-art::before { position: absolute; inset: 12% 8% 18%; z-index: 0; content: ''; border-radius: 50%; background: conic-gradient(from 0deg, transparent, #7029ff55, transparent 30%, #c19aff55 48%, transparent 52%, #7029ff55 80%, transparent); mask-image: radial-gradient(ellipse, transparent 55%, black 58%, transparent 68%); animation: magnetic-turn 13s linear infinite; animation-play-state: paused; pointer-events: none; }
.hero.scene-visible .hero-art::before { animation-play-state: running; }
@keyframes magnetic-turn { to { transform: rotate(360deg); } }
.core-reticle::after { animation: magnetic-turn 22s linear infinite reverse; animation-play-state: paused; }
.hero.scene-visible .core-reticle::after { animation-play-state: running; }
.hero .data-card { animation: data-float 4.5s ease-in-out infinite alternate; animation-play-state: paused; }
.hero .data-card-bottom { animation-delay: -2s; }
.hero.scene-visible .data-card { animation-play-state: running; }
.data-card::after { position: absolute; inset: -1px 0 auto; height: 1px; content: ''; background: linear-gradient(90deg, transparent, #cfafff, transparent); background-size: 200% 100%; animation: signal-border 3s linear infinite; }
@keyframes signal-border { to { background-position: -200% 0; } }
@keyframes data-float { from { transform: translate3d(0,-8px,0); } to { transform: translate3d(0,10px,0); } }
.hero-grid { animation: grid-travel 9s linear infinite; animation-play-state: paused; }
.hero.scene-visible .hero-grid { animation-play-state: running; }
@keyframes grid-travel { to { background-position: 0 64px; } }
.hero-glow { animation: atmosphere-breathe 5s ease-in-out infinite alternate; animation-play-state: paused; }
.hero.scene-visible .hero-glow { animation-play-state: running; }
@keyframes atmosphere-breathe { to { transform: translateX(-14%) scale(1.2); opacity: .36; } }
.hero-code { animation: code-drift 4s ease-in-out infinite alternate; }
@keyframes code-drift { to { transform: translateX(4px) skewX(-8deg); color: #d3b9ff; text-shadow: 0 0 25px #9d5cff88; } }
.button-primary::before { animation: button-scan 4.5s var(--experience-ease) infinite; }
@keyframes button-scan { 0%,55% { transform: translateX(-150%); } 85%,100% { transform: translateX(150%); } }
.hero-art.is-charging .core-reticle { border-color: #d4a8ff; box-shadow: 0 0 40px #6d28ff44, inset 0 0 50px #6d28ff33; }
.core-discharge .hero-art::after { animation: discharge 1.4s ease-out; }
@keyframes discharge { 0% { background-color: #9851fa33; transform: scale(.75); } 100% { background-color: transparent; transform: scale(1.18); } }
.rail-track { animation-duration: 18s; }
.section-heading { position: relative; }
.section-heading::after { position: absolute; bottom: -22px; left: 0; height: 2px; width: 60px; background: linear-gradient(90deg, #6d28ff, #cba6ff, transparent); content: ''; }

/* Um experimento visual, controlado por um slider nativo e pelo toque. */
.connection-lab { position: relative; isolation: isolate; flex-direction: column; margin-bottom: 64px; overflow: clip; border: 1px solid #452e5c; background: #0c0713; color: #e9def8; }
.connection-lab::before { position: absolute; inset: 0; z-index: -1; content: ''; background-image: linear-gradient(#b994eb08 1px, transparent 1px), linear-gradient(90deg,#b994eb08 1px,transparent 1px); background-size: 48px 48px; }
.connection-lab::after { position: absolute; inset: auto 0 0; height: 2px; content: ''; background: #a869ff; transform: scaleX(var(--connection,.5)); transform-origin: left; pointer-events: none; }
.lab-header { position: relative; z-index: 2; display: flex; justify-content: space-between; gap: 12px; padding: 24px 28px 0; color: #c1a0df; font: 9px var(--mono); letter-spacing: .12em; }
.lab-header i { display: inline-block; width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; background: #c9a2ff; box-shadow: 0 0 12px #b87dff; }
.lab-stage { position: relative; height: 355px; touch-action: pan-y; }
.lab-stage canvas { display: block; width: 100%; height: 100%; }
.lab-coordinate { position: absolute; top: 50%; color: #9784aa; font: 8px var(--mono); letter-spacing: .12em; pointer-events: none; writing-mode: vertical-rl; }
.lab-coordinate-left { left: 25px; transform: translateY(-50%) rotate(180deg); }
.lab-coordinate-right { right: 25px; transform: translateY(-50%); }
.lab-interface { position: relative; z-index: 2; width: min(100% - 56px, 680px); margin: 0 auto 24px; }
.lab-interface label { display: flex; align-items: center; justify-content: space-between; color: #ddd0ed; font-size: 13px; }
.lab-interface label > span:last-child { font-size: 24px; color: #c796ff; }
.lab-interface input { display: block; width: 100%; height: 44px; margin: 0; background: transparent; cursor: ew-resize; accent-color: #ad76ff; -webkit-appearance: none; appearance: none; touch-action: pan-y; }
.lab-interface input::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, #6d28ff, #c49eff); border: 0; }
.lab-interface input::-moz-range-track { height: 2px; background: linear-gradient(90deg, #6d28ff, #c49eff); border: 0; }
.lab-interface input::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; margin-top: -12px; border: 6px solid #1d0e30; outline: 1px solid #ad7bee; border-radius: 50%; background: #d2b0ff; box-shadow: 0 0 20px #a05fff66; }
.lab-interface input::-moz-range-thumb { width: 14px; height: 14px; border: 6px solid #1d0e30; outline: 1px solid #ad7bee; border-radius: 50%; background: #d2b0ff; box-shadow: 0 0 20px #a05fff66; }
.lab-scale { display: flex; justify-content: space-between; color: #b49bc9; font: 8px var(--mono); letter-spacing: .12em; }

/* Os diagramas continuam trabalhando enquanto a pessoa lê. */
.kinetic-diagram { width: 200px; max-width: 100%; height: 104px; margin: 16px 0 12px; color: #6d28ff; pointer-events: none; }
.kinetic-diagram svg, .method-mechanism svg { display: block; width: 100%; height: 100%; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1; }
.kinetic-diagram svg * { vector-effect: non-scaling-stroke; }
.signal-card h3, .solution-card h3 { margin-top: 16px; }
.signal-card-purple .kinetic-diagram, .signal-card-dark .kinetic-diagram { color: #d6baff; }
.solution-card.is-selected .kinetic-diagram, .solution-card:hover .kinetic-diagram { color: #c799ff; }
.diagram-spin { transform-origin: 100px 50px; animation: diagram-rotate 14s linear infinite; }
.diagram-heart { transform-origin: 100px 50px; animation: diagram-breathe 2s ease-in-out infinite alternate; }
.diagram-window { animation: diagram-float 3s ease-in-out infinite alternate; }
.diagram-cubes { transform-origin: 100px 50px; animation: diagram-perspective 5s ease-in-out infinite alternate; }
.diagram-scanner { stroke: #b07af7; stroke-width: 2; animation: diagram-scan 2.2s linear infinite; }
.diagram-flow { stroke-dasharray: 7 8; animation: diagram-stream 3s linear infinite; }
.diagram-bars path { stroke-width: 7; transform-box: fill-box; transform-origin: center bottom; animation: bar-read 1.5s ease-in-out infinite alternate; }
.diagram-bars path:nth-child(2) { animation-delay: -.7s; }.diagram-bars path:nth-child(3) { animation-delay: -.3s; }.diagram-bars path:nth-child(4) { animation-delay: -.9s; }.diagram-bars path:nth-child(5) { animation-delay: -.5s; }
.kinetic-diagram svg *, .method-mechanism svg * { animation-play-state: paused; }
.scene-visible .kinetic-diagram svg *, .scene-visible .method-mechanism svg * { animation-play-state: running; }
@keyframes diagram-rotate { to { transform: rotate(360deg); } }
@keyframes diagram-breathe { to { transform: scale(1.2); opacity: .5; } }
@keyframes diagram-float { to { transform: translateY(7px); } }
@keyframes diagram-perspective { to { transform: perspective(300px) rotateY(30deg) rotateX(12deg); } }
@keyframes diagram-scan { 0% { transform: translateY(0); opacity: 0; } 15%,85% { opacity: .8; } 100% { transform: translateY(66px); opacity: 0; } }
@keyframes diagram-stream { to { stroke-dashoffset: -90; } }
@keyframes bar-read { to { transform: scaleY(.4); } }
.card-energized { animation: card-signal .9s ease-out; }
@keyframes card-signal { 0% { box-shadow: inset 0 0 0 1px #a36bff, inset 0 0 80px #9d5cff33; } 100% { box-shadow: inset 0 0 0 1px transparent, inset 0 0 0 transparent; } }
.card-energized .kinetic-diagram { filter: drop-shadow(0 0 10px #9d5cff); }

/* Núcleo secundário: giroscópio, feixes e varredura de conexões. */
.system-gyroscope { position: absolute; left: 50%; top: 38%; width: 220px; height: 220px; transform: translate(-50%,-50%); perspective: 500px; pointer-events: none; }
.system-gyroscope i { position: absolute; inset: 0; border: 1px solid #b078fa77; border-radius: 50%; transform-style: preserve-3d; animation: gyroscope 7s linear infinite; animation-play-state: paused; }
.system-gyroscope i:nth-child(2) { inset: 18px; animation-direction: reverse; animation-delay: -3s; border-color: #d2aaff55; }
.system-gyroscope i:nth-child(3) { inset: -20px; animation-duration: 11s; animation-delay: -6s; border-style: dashed; border-color: #9d5cff44; }
.scene-visible .system-gyroscope i { animation-play-state: running; }
@keyframes gyroscope { 0% { transform: rotateX(65deg) rotateY(25deg) rotateZ(0); } 50% { transform: rotateX(35deg) rotateY(70deg) rotateZ(180deg); } 100% { transform: rotateX(65deg) rotateY(25deg) rotateZ(360deg); } }
.map-connections path { animation: signal-flow 4s linear infinite; animation-play-state: paused; }
.scene-visible .map-connections path { animation-play-state: running; }
.map-connections path.is-scanning { stroke: #dabaff; stroke-width: 2; filter: drop-shadow(0 0 4px #9d5cff); }
.system-node.is-scanning { border-color: #ba80ff; box-shadow: 0 0 25px #8f40ed44; color: #e9d9ff; }
.system-core { animation: core-breathe 3s ease-in-out infinite alternate; animation-play-state: paused; }
.scene-visible .system-core { animation-play-state: running; }
@keyframes core-breathe { to { box-shadow: 0 0 95px #6d28ff77, inset 0 0 30px #8b42d926; } }
.map-rays { position: absolute; inset: 0; pointer-events: none; }
.map-rays i { position: absolute; left: 50%; top: 38%; width: 1px; height: 27%; transform-origin: top; background: linear-gradient(#c28aff00,#b483fd77,transparent); animation: ray-breathe 2.5s ease-in-out infinite alternate; animation-play-state: paused; }
.map-rays i:nth-child(1) { transform: rotate(50deg); }.map-rays i:nth-child(2) { transform: rotate(-50deg); animation-delay: -1s; }.map-rays i:nth-child(3) { transform: rotate(130deg); animation-delay: -2s; }.map-rays i:nth-child(4) { transform: rotate(-130deg); animation-delay: -.6s; }
.scene-visible .map-rays i { animation-play-state: running; }
@keyframes ray-breathe { to { opacity: .15; } }
.method-mechanism { width: 180px; max-width: 100%; height: 90px; margin: 20px 0 16px; color: #6d28ff; }
.method-item h3 { margin-top: 20px; }
.cta-orbit::before, .cta-orbit::after { position: absolute; inset: 30px; border-radius: 50%; border: 1px dashed #c394ff55; content: ''; animation: magnetic-turn 25s linear infinite; animation-play-state: paused; }
.cta-orbit::after { inset: 95px; border-style: solid; border-color: #be86ff44; animation-direction: reverse; }
.cta.scene-visible .cta-orbit::before, .cta.scene-visible .cta-orbit::after { animation-play-state: running; }
.interaction-field { position: fixed; inset: 0; z-index: 24; width: 100%; height: 100%; pointer-events: none; }
.experience-icon { animation: magnetic-turn 10s linear infinite; }

@media (max-width: 780px) {
  .hero-art img { opacity: .25; }
  .connection-lab { margin-bottom: 42px; }
  .lab-stage { height: 310px; }
  .lab-header { padding: 20px 20px 0; font-size: 8px; letter-spacing: .05em; }
  .lab-interface { width: calc(100% - 40px); }
  .lab-interface label { font-size: 12px; }
  .lab-coordinate-left { left: 12px; }.lab-coordinate-right { right: 12px; }
  .kinetic-diagram { height: 92px; margin-block: 10px; }
  .signal-card h3, .solution-card h3 { margin-top: 14px; }
  .system-gyroscope { width: 175px; height: 175px; }
  .method-item h3 { margin-top: 8px; }
}
@media (max-width: 560px) {
  .hero-art { height: 382px; }
  .lab-stage { height: 265px; }
  .lab-header { font-size: 7px; }
  .lab-scale { font-size: 7px; }
  .method-mechanism { position: absolute; top: 22px; right: 0; width: 58px; height: 45px; margin: 0; }
  .method-item h3 { padding-right: 60px; }
}
@media (min-width: 380px) and (max-width: 560px) {
  .solutions-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .solution-card { padding: 20px 16px; min-height: 320px; }
  .solution-card .kinetic-diagram { height: 78px; }
  .solution-card h3 { font-size: 16px; min-height: 60px; margin-bottom: 12px; }
  .solution-card p { font-size: 13px; line-height: 1.65; }
  .solution-toggle { min-height: 60px; }
}
.lab-interface input:focus-visible { outline: none; }
.lab-interface:has(input:focus-visible) { outline: 1px solid #b989ff; outline-offset: 10px; }
@media (max-width: 1040px) { .signal-grid, .solutions-grid { transform: none !important; } }

/* ═══ 21ST — luz, profundidade e narrativa de rolagem ═══
   Implementação original em CSS/JS. Referências e decisões em REFERENCIAS-21ST.md. */
.creative-only { display: none; }
.has-creative-scenes .creative-only { display: block; }
.aurora-strands { position: absolute; inset: 0; overflow: clip; pointer-events: none; opacity: .7; }
.aurora-strands i { position: absolute; width: 65%; height: 110%; left: 45%; top: -30%; border-radius: 45%; border: 1px solid #d3a7ff22; background: linear-gradient(110deg, transparent 38%, #722aff10 46%, #c389ff24 49%, #6122dd0a 54%, transparent 62%); transform: rotate(-25deg); filter: blur(2px); animation: aurora-flow 16s ease-in-out infinite alternate; animation-play-state: paused; }
.aurora-strands i:nth-child(2) { left: 28%; top: -20%; animation-delay: -6s; opacity: .7; }
.aurora-strands i:nth-child(3) { left: 65%; top: -35%; animation-delay: -10s; opacity: .6; }
.hero.scene-visible .aurora-strands i { animation-play-state: running; }
@keyframes aurora-flow { to { transform: translate3d(-10%, 7%, 0) rotate(20deg) scaleX(1.25); } }
.liquid-type { color: #cbaaed; background: radial-gradient(ellipse at var(--type-light, 40%) 50%, #fff 0%, #e5d0ff 16%, #ba8be7 42%, #9670bf 82%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
@media (forced-colors: active) { .liquid-type { -webkit-text-fill-color: currentColor; } }
.rail-track.velocity-track { animation: none; will-change: transform; }

.has-creative-scenes .signal-grid { gap: 16px; }
.has-creative-scenes .signal-card { border: 1px solid var(--arkanto-line-light); border-radius: 4px; }
.has-creative-scenes .solutions-grid { position: relative; gap: 18px; border: 0; perspective: 1200px; transform: none !important; }
.has-creative-scenes .solution-card { border: 1px solid #d5cbdc; border-radius: 5px; background: #faf8f4; }
.has-creative-scenes .solution-card:hover, .has-creative-scenes .solution-card.is-selected { background: #170c24; color: #fff; }
.has-creative-scenes .solution-card.is-linked { background: #e9dff4; }
.has-creative-scenes .solution-card.is-linked:hover { background: #21122f; }
.has-creative-scenes .signal-card, .has-creative-scenes .solution-card { overflow: visible; transform-style: preserve-3d; transition: background .3s, color .3s, box-shadow .3s, transform .25s; transform: perspective(1000px) rotateX(var(--card-rx, 0deg)) rotateY(var(--card-ry, 0deg)) translateY(var(--card-lift, 0px)); }
.has-creative-scenes .kinetic-diagram { transform: translateZ(18px); }
.has-creative-scenes .solution-card.is-selected, .has-creative-scenes .solution-card.is-linked { transform: none; }
.has-creative-scenes .solution-card.is-dimensional { box-shadow: 0 18px 38px #170c2419; z-index: 3; }
.card-light { position: absolute; inset: -1px; z-index: 4; border-radius: inherit; padding: 1px; pointer-events: none; opacity: var(--light-strength, 0); background: conic-gradient(from var(--light-angle, 0deg), transparent 0%, #aa76ff 8%, #eadbff 13%, #a76bfd 20%, transparent 30%); mask: linear-gradient(#fff 0 0) content-box exclude, linear-gradient(#fff 0 0); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; transition: opacity .25s; }
.solution-card:focus-within .card-light, .solution-card.is-selected .card-light { opacity: 1; }
.has-creative-scenes .signal-card::after, .has-creative-scenes .solution-card::after { border-radius: inherit; }
.has-creative-scenes .solutions-grid > .solution-console { z-index: 6; border: 1px solid #c6b0df; border-radius: 4px; margin-block: 2px; }
.service-beams { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; z-index: 5; pointer-events: none; fill: none; }
.service-beams .beam-track { stroke: #9562cb; stroke-width: 1; opacity: .65; }
.service-beams .beam-traveler { stroke: #8139dd; stroke-width: 2.5; stroke-dasharray: 12 88; filter: drop-shadow(0 0 4px #be80ff); animation: service-travel 2.6s linear infinite; animation-play-state: paused; }
.service-beams circle { fill: #f5edff; stroke: #9962de; stroke-width: 1.5; }
.creative-visible .beam-traveler { animation-play-state: running; }
@keyframes service-travel { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }

/* Cena presa à leitura, sem bloquear ou substituir a rolagem nativa. */
.has-creative-scenes .method { overflow: visible; }
.has-creative-scenes .method-story { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 100px); align-items: start; }
.method-stage { position: sticky; top: max(28px, calc((100svh - 540px) / 2)); min-width: 0; height: 540px; color: #eee5fa; background: radial-gradient(ellipse at 50% 40%, #302044, #100b18 70%); border: 1px solid #51405d; border-radius: 6px; box-shadow: 0 32px 70px #2411331a; overflow: clip; isolation: isolate; }
.method-stage::after { position: absolute; inset: 0; content: ''; pointer-events: none; z-index: 3; background: linear-gradient(120deg, #d5b2ff08, transparent 30%, transparent 70%, #c4a0ff08); box-shadow: inset 0 0 60px #09070c55; }
.method-stage-header { position: absolute; inset: 24px 24px auto; z-index: 4; display: flex; justify-content: space-between; gap: 10px; color: #cbb6e0; font: 9px var(--mono); letter-spacing: .1em; }
.method-stage-header > span:first-child { display: flex; gap: 8px; align-items: center; }
.method-stage-header i { width: 5px; height: 5px; border-radius: 50%; background: #d5aeff; box-shadow: 0 0 12px #a258ff; }
.assembly-scene { position: absolute; inset: 45px 0 100px; perspective: 850px; }
.assembly-object { position: absolute; left: 50%; top: 47%; width: 0; height: 0; transform-style: preserve-3d; }
.assembly-pane { position: absolute; left: -75px; top: -75px; width: 150px; height: 150px; border: 1px solid #bc8eecaa; border-radius: 6px; background: linear-gradient(135deg, #c298f518, #bd93eb06 45%, #a679dd30); box-shadow: inset 0 0 24px #b689ff0d, 0 0 18px #ad76ff09; backface-visibility: visible; }
.assembly-pane::before, .assembly-pane::after { content: ''; position: absolute; width: 6px; height: 6px; background: #e4cdff; box-shadow: 0 0 12px #ae6bff; }
.assembly-pane::before { left: -3px; top: -3px; }.assembly-pane::after { bottom: -3px; right: -3px; }
.pane-grid { position: absolute; inset: 10px; background-image: linear-gradient(#b58bc917 1px,transparent 1px),linear-gradient(90deg,#b58bc917 1px,transparent 1px); background-size: 20px 20px; }
.pane-code { position: absolute; bottom: 9px; right: 9px; font: 9px var(--mono); color: #d9bcfb; }
.assembly-floor { position: absolute; left: 10%; right: 10%; top: 65%; height: 180px; background-image: linear-gradient(#ad77df22 1px,transparent 1px),linear-gradient(90deg,#ad77df22 1px,transparent 1px); background-size: 28px 28px; transform: rotateX(72deg); mask-image: radial-gradient(ellipse, #000, transparent 68%); }
.assembly-halo { position: absolute; width: 280px; height: 280px; left: 50%; top: 47%; transform: translate(-50%, -50%); border: 1px solid #b18dd022; border-radius: 50%; }
.assembly-halo::before { content: ''; position: absolute; inset: -30px; border: 1px dashed #c197e71a; border-radius: 50%; animation: magnetic-turn 36s linear infinite; animation-play-state: paused; }
.creative-visible .assembly-halo::before { animation-play-state: running; }
.assembly-coordinate { position: absolute; left: 20px; top: 45%; color: #a894b9; font: 8px var(--mono); letter-spacing: .2em; writing-mode: vertical-rl; }
.assembly-index { position: absolute; right: 22px; bottom: 0; color: #c7a0ef1a; font-size: 100px; font-weight: 700; line-height: 1; letter-spacing: -.1em; }
.method-stage-caption { position: absolute; bottom: 84px; left: 28px; right: 28px; display: flex; justify-content: space-between; align-items: center; font-size: 25px; font-weight: 500; letter-spacing: -.04em; }
.method-stage-caption > span:last-child { font-size: 22px; color: #b88ee2; }
.method-stops { position: absolute; inset: auto 24px 24px; display: flex; gap: 8px; z-index: 5; }
.method-stops button { flex: 1; min-width: 44px; height: 44px; border: 1px solid #493554; border-radius: 3px; background: #ffffff04; color: #cdb9df; font: 11px var(--mono); transition: background .3s,color .3s; }
.method-stops button[aria-current] { color: #170d23; background: #cfaff3; border-color: #cfaff3; box-shadow: 0 0 25px #a765ec22; }
.method-stops button:hover { border-color: #cfaff3; }
.has-creative-scenes .method-list { display: block; border: 0; }
.has-creative-scenes .method-list::before { top: 0; left: 0; width: 1px; height: 100%; background: #d9cddd; transform: none; }
.has-creative-scenes .method-item, .has-creative-scenes .method-item + .method-item { min-height: 360px; display: flex; flex-direction: column; justify-content: center; padding: 42px 20px 42px 42px; border: 0; background: none; box-shadow: none; scroll-margin-top: 80px; }
.has-creative-scenes .method-item::before { display: block; top: 50%; left: -4px; transform: translateY(-50%); width: 9px; height: 9px; }
.has-creative-scenes .method-item .method-number { position: static; font: 11px var(--mono); margin-bottom: 22px; }
.has-creative-scenes .method-item h3 { font-size: clamp(28px, 3vw, 40px); padding: 0; margin: 0 0 18px; transition: color .35s, translate .35s; }
.has-creative-scenes .method-item p { max-width: 340px; font-size: 16px; }
.has-creative-scenes .method-item.is-current h3 { color: #6426b6; translate: 8px 0; }
.has-creative-scenes .method-mechanism { display: none; }
.has-creative-scenes .method-list::after { content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 2px; transform: scaleY(var(--story-progress, 0)); transform-origin: top; background: linear-gradient(#c9a6f0, #7731c5); }

.button-primary, .dock-contact { transition: background .3s, color .3s, box-shadow .3s, transform .3s, translate .25s; }
.button-primary:hover { box-shadow: 0 0 48px #9d5cff55, inset 0 1px #ffffff66; }
.signature { position: relative; width: min(100% - 48px, 1440px); margin: 0 auto 56px; color: #ab98bc; }
.signature-meta { display: flex; justify-content: space-between; gap: 20px; padding: 0 4px 18px; font: 9px var(--mono); letter-spacing: .12em; }
.signature > svg { display: block; width: 100%; height: auto; overflow: visible; }
.signature-outline { fill: #b382de06; stroke: #af81d74d; stroke-width: .7; }
.signature-fill { fill: url(#signature-spectrum); stroke: #c7a0ff88; stroke-width: .6; }
.signature:focus-visible .signature-fill { mask: none; }
.has-creative-scenes .site-footer { padding-top: 64px; }
.has-creative-scenes .footer-layout { border-top: 1px solid #38283e; padding-top: 28px; }

@media (min-width: 1920px) {
  .has-creative-scenes .method-story { gap: 120px; }
  .method-stage { height: 580px; top: max(28px, calc((100svh - 580px) / 2)); }
  .has-creative-scenes .method-item { min-height: 400px; }
}
@media (max-width: 1100px) {
  .has-creative-scenes .solutions-grid { gap: 14px; }
  .has-creative-scenes .method-story { gap: 40px; }
  .method-stage { height: 480px; top: max(24px, calc((100svh - 480px) / 2)); }
  .assembly-object { scale: .8; }
}
@media (max-width: 900px) {
  .has-creative-scenes .method-story { grid-template-columns: 1fr; gap: 16px; }
  .method-stage { top: 12px; height: 300px; width: 100%; z-index: 8; box-shadow: 0 16px 30px #160b2526; }
  .assembly-scene { inset: 0 0 58px; }
  .assembly-object { scale: .6; top: 52%; }
  .assembly-halo { width: 200px; height: 200px; top: 52%; }
  .assembly-coordinate { display: none; }
  .assembly-index { font-size: 75px; right: 24px; bottom: 12px; }
  .method-stage-header { inset: 18px 20px auto; font-size: 8px; }
  .method-stage-caption { left: 22px; bottom: 85px; font-size: 21px; max-width: 140px; }
  .method-stage-caption > span:last-child { display: none; }
  .method-stops { inset: auto 16px 16px; }
  .has-creative-scenes .method-item, .has-creative-scenes .method-item + .method-item { min-height: 280px; padding: 40px 24px 40px 32px; }
  .has-creative-scenes .method-item p { max-width: 480px; }
  .has-creative-scenes .method-list::before { display: block; }
}
@media (max-width: 560px) {
  .aurora-strands { opacity: .5; }
  .has-creative-scenes .solutions-grid { gap: 10px; }
  .has-creative-scenes .signal-grid { gap: 12px; }
  .has-creative-scenes .solution-card { padding: 20px 16px; }
  .has-creative-scenes .solutions-grid > .solution-console { padding: 24px 42px 24px 18px; }
  .method-stage { height: 270px; }
  .assembly-object { left: 55%; scale: .54; }
  .method-stage-caption { font-size: 18px; bottom: 78px; left: 18px; }
  .assembly-index { font-size: 58px; }
  .method-stage-header { font-size: 7px; letter-spacing: .03em; }
  .has-creative-scenes .method-item, .has-creative-scenes .method-item + .method-item { min-height: 270px; }
  .signature { width: calc(100% - 32px); margin-bottom: 36px; }
  .signature-meta { font-size: 7px; letter-spacing: 0; gap: 8px; }
  .signature-meta > span:first-child { max-width: 130px; line-height: 1.8; }
  .signature-meta > span:last-child { align-self: end; white-space: nowrap; }
}
@media (max-height: 650px) {
  .method-stage { height: 260px; top: 12px; }
  .assembly-scene { inset: 0 0 70px; }
  .assembly-object { scale: .5; top: 58%; }
  .assembly-halo { width: 160px; height: 160px; }
  .method-stage-caption { font-size: 18px; bottom: 78px; }
}
@media (max-height: 480px) { .method-stage { position: relative; top: 0; } }
@media (prefers-reduced-motion: reduce) {
  .aurora-strands i { animation: none; }
  .has-creative-scenes .method-item.is-current h3 { translate: none; }
  .has-creative-scenes .signal-card, .has-creative-scenes .solution-card { transform: none; }
}
html.is-page-hidden .creative-visible *, html.is-page-hidden .aurora-strands i { animation-play-state: paused !important; }

.has-creative-scenes .solution-card.is-selected .solution-top, .has-creative-scenes .solution-card:hover .solution-top { color: #c4a0f0; }

/* ═══ ARKANTO — proporções do nome completo ═══ */
.system-core { padding-inline: 10px; }
.system-core strong { font-size: 22px; letter-spacing: -.07em; }
@media (max-width: 780px) { .system-core strong { font-size: 20px; } }
@media (max-width: 380px) { .core-meta { font-size: 6px; } }

/* ═══ ARKANTO — preto contínuo, violeta elétrico e branco de luz ═══ */
:root {
  color-scheme: dark;
  --arkanto-black: #060609;
  --arkanto-black-soft: #0c0c10;
  --arkanto-gray: #aaa7b2;
  --arkanto-line-light: rgba(220, 214, 234, .13);
  --arkanto-line-dark: rgba(220, 214, 234, .12);
  --noir-surface: #0d0d12;
  --noir-surface-raised: #121118;
  --noir-text: #ecebf1;
  --noir-muted: #aaa7b2;
  --noir-accent: #b481ff;
  --light-surface: #f5f4f8;
  --light-text: #111016;
  --light-muted: #615c6b;
}
body { background: var(--arkanto-black); color: var(--noir-text); }
::selection { background: #6d28ff; color: #fff; }
:focus-visible { outline-color: #c8abea; }

/* O canvas do núcleo é transparente: nenhuma camada retangular cobre o céu. */
.hero { isolation: isolate; background: var(--arkanto-black); }
.hero::before, .hero::after, .hero-art::after { display: none; }
.hero-sky { position: absolute; inset: 0; z-index: 0; pointer-events: none; background: url('./assets/img/arkanto-stars.svg') center / cover; }
.hero-sky.has-starfield { background-image: none; }
.hero-sky canvas { display: block; width: 100%; height: 100%; }
.hero-art { background: transparent; }
.hero-art.has-core-canvas img { opacity: 0; }
.hero-art:not(.has-core-canvas) img { opacity: .6; mix-blend-mode: screen; }
.hero-art::before { opacity: .65; }
.hero .core-reticle { border-color: transparent; }
.hero .core-reticle span { opacity: .25; }
.hero .core-reticle::after { border-color: #a98bca13; }
.site-header { background: transparent; border-color: #d9d0e612; }
.hero-code { color: var(--arkanto-violet); }
.hero-eyebrow { color: var(--noir-accent); }
.hero-eyebrow::before { box-shadow: 0 0 10px #b298d966; }
.hero-intro { color: #bdbac5; }
.liquid-type { color: #fff; background-image: radial-gradient(ellipse at var(--type-light,40%) 50%, #fff 0%, #fff 38%, #eee6fa 75%, #c3a2ec 100%); }
.hero-proof { border-color: #d9d0e617; }
.hero-proof strong { color: var(--arkanto-violet); }
.hero-proof span, .hero-index { color: #97919f; }
.core-meta, .orbit-label { color: #a8a1b3; }
.data-card { border-color: #d5c6e41c; background: #09090dc9; backdrop-filter: blur(10px); }
.data-card::after { opacity: .35; }
.data-card span { color: #b481ff; }

/* Superfícies brancas pontuais e uma faixa violeta marcam as ações. */
.button-primary { background: #f8f6fc; color: #100c17; border: 1px solid #fff; box-shadow: 0 0 28px #e1c9ff12; }
.button-primary:hover { background: #e9dcff; color: #100c17; border-color: #e9dcff; box-shadow: 0 0 36px #c89dff3b; }
.button-primary::before { opacity: .6; }
.knowledge-rail { color: #fff; background: var(--arkanto-purple); border-block: 1px solid #af7dff40; }
.rail-track span { color: inherit; }

/* Carvão e preto formam as superfícies; brilho, feixes e perspectiva continuam. */
.section-light { background: #0a0a0e; color: var(--noir-text); }
.solutions { background: #08080b; }
.section-dark { background-color: var(--arkanto-black); }
.eyebrow, .section-dark .eyebrow, .code-note { color: var(--noir-accent); }
.vision, .cta.section-dark { color-scheme: light; background: var(--light-surface); color: var(--light-text); }
.vision { --arkanto-line-light: #16101e24; }
.vision .eyebrow, .vision .code-note, .cta.section-dark .eyebrow { color: #6422db; }
.vision .vision-lead { color: #24202c; }
.vision .vision-notes { color: var(--light-muted); }
.vision .connection-lab { color-scheme: dark; }
.section-heading::after { height: 1px; width: 40px; background: linear-gradient(90deg,#ad89d0,transparent); }
.vision-layout { border-color: var(--arkanto-line-light); }
.vision-lead { color: #dcd9e3; }
.vision-notes, .section-heading-split > p { color: var(--noir-muted); }
.signal-card, .signal-card-purple, .signal-card-dark,
.has-creative-scenes .signal-card, .has-creative-scenes .solution-card {
  background: var(--noir-surface); color: var(--noir-text); border-color: #d4c9e21c;
}
.vision .signal-card, .has-creative-scenes .vision .signal-card { background: #fff; color: #111016; border-color: #14101c24; }
.vision .signal-card p { color: #615c6b; }
.vision .signal-number { color: #6422db; }
.vision .signal-card .kinetic-diagram { color: #6d28ff; }
.vision .signal-card-purple, .has-creative-scenes .vision .signal-card-purple { background: #6d28ff; color: #fff; border-color: #6d28ff; }
.vision .signal-card-purple p, .vision .signal-card-purple .signal-number { color: #eee5ff; }
.vision .signal-card-purple .kinetic-diagram { color: #e0caff; }
.vision .signal-card-dark, .has-creative-scenes .vision .signal-card-dark { background: #0b090f; color: #fff; border-color: #0b090f; }
.vision .signal-card-dark p, .vision .signal-card-dark .signal-number { color: #b9b0c5; }
.vision .signal-card-dark .kinetic-diagram { color: #b583ff; }
.signal-card p, .signal-card-purple p, .signal-card-dark p,
.solution-card p, .solution-card:hover p, .solution-card.is-selected p { color: #aaa5b5; }
.signal-number, .signal-card-purple .signal-number, .signal-card-dark .signal-number,
.solution-top, .interaction-cue { color: #b2a2c7; }
.interaction-cue > span { color: #c3a7e3; }
.kinetic-diagram, .signal-card-purple .kinetic-diagram, .signal-card-dark .kinetic-diagram { color: #aa89d3; }
.has-creative-scenes .solution-card:hover { background: #15111c; }
.has-creative-scenes .solution-card.is-selected { background: #1a1028; box-shadow: inset 0 2px #9d5cff; }
.has-creative-scenes .solution-card.is-linked { background: #121017; box-shadow: inset 0 2px #7d608f; }
.has-creative-scenes .solution-card.is-linked:hover { background: #1a1420; }
.has-creative-scenes .solution-card.is-dimensional { box-shadow: 0 18px 40px #0006; }
.signal-card::after, .solution-card::after { background: radial-gradient(380px circle at var(--spot-x,50%) var(--spot-y,50%),#b88aee0e,transparent 65%); }
.has-creative-scenes .solutions-grid > .solution-console { background: #100d15; color: var(--noir-text); border-color: #75568e66; }
.console-label { color: #b29cc7; }
.solution-connections button { color: #d8cde6; border-color: #65517288; background: #ffffff03; }
.solution-connections button:hover { background: #271a32; }
.service-beams .beam-track { stroke: #806295; }
.service-beams .beam-traveler { stroke: #dfc8ff; }
.service-beams circle { fill: #190f23; stroke: #b78bdd; }

.connection-lab { background: #07070b; border-color: #cfb6e126; }
.connection-lab::before { opacity: .3; }
.connection-lab::after { height: 1px; background: #ac80d0; }
.intelligence-grid { opacity: .1; }
.system-map { border-color: #c2afd326; background: radial-gradient(ellipse at 50% 40%,#38234720,transparent 66%); }
.system-core { background: #08070b; }
.system-node { background: #0a090e; border-color: #c2afd328; }
.system-node:hover, .system-node[aria-pressed="true"] { background: #21132d; }
.map-readout { background: #09080df0; border-color: #c2afd326; }
.method-stage { background: radial-gradient(ellipse at 50% 40%,#1b1424,#08080c 72%); border-color: #c1a5d92c; box-shadow: 0 24px 64px #0004; }
.method-stage::after { box-shadow: inset 0 0 60px #05050755; }
.has-creative-scenes .method-list::before { background: #b3a2c526; }
.has-creative-scenes .method-list::after { width: 1px; background: linear-gradient(#503666,#b08aca); }
.method-number, .method-item.is-current .method-number { color: #b399cb; }
.method-item::before { background: #0a0a0e; border-color: #756086; }
.method-item.is-current::before { background: #bb93da; box-shadow: 0 0 0 5px #b18bd510; }
.has-creative-scenes .method-item.is-current h3 { color: #c6a7e1; }
.method-stops button { background: #ffffff03; color: #a99bb9; border-color: #bba0d52b; }
.method-stops button[aria-current] { background: #f5f0fc; color: #20102e; border-color: #fff; box-shadow: 0 0 22px #c298ff1c; }
.cta-orbit { opacity: .32; }
.cta-side p { color: var(--light-muted); }
.cta .button-primary { color: #fff; background: #6d28ff; border-color: #6d28ff; box-shadow: 0 8px 32px #6d28ff22; }
.cta .button-primary:hover { background: #5713dc; border-color: #5713dc; box-shadow: 0 8px 36px #6d28ff3d; }
.cta .cta-orbit { opacity: .2; }
.site-footer { background: #060609; }
.has-creative-scenes .footer-layout { border-color: #d9cbe319; }
.signature-outline { stroke: #b598cf42; }

.experience-dock { background: #0b0a0ef2; border-color: #d2c2e52b; box-shadow: 0 8px 35px #0007, inset 0 1px #ffffff04; }
.experience-dock .dock-contact { background: #6d28ff; color: #fff; box-shadow: inset 0 1px #c8a8ff33; }
.experience-dock .dock-contact:hover { background: #8144ff; }
.experience-dock button:hover, .dock-core:hover { background: #1b1522; }
.dock-divider { background: #cbb5dc2e; }
.reading-progress span { background: #bd99ff; box-shadow: 0 0 7px #9d5cff40; }
.control-dialog { background: #0d0b11; border-color: #b197c938; }
@media (forced-colors: active) {
  .hero-sky { display: none; }
  .button-primary, .experience-dock .dock-contact { border: 1px solid ButtonText; }
}

/* Marca oficial — SVGs em curvas, independentes de fontes. */
.brand-logo { display: block; width: 178px; height: auto; flex: none; }
.brand-logo-stacked { width: 132px; }
.system-wordmark { width: 96px; height: auto; }
@media (max-width: 780px) {
  .brand-logo { width: 150px; }
  .brand-logo-stacked { width: 116px; }
  .system-wordmark { width: 88px; }
}
@media (max-width: 359px) {
  .site-header .brand-logo { width: 138px; }
}