@font-face {
  font-family: Golos;
  src: url("assets/GolosText.ttf") format("truetype");
  font-weight: 400 900;
  font-display: swap;
}
:root {
  --bg: #050e20;
  --surface: #101f38;
  --line: #b0d2ff20;
  --text: #eff5ff;
  --muted: #a0b0ca;
  --accent: #79b8f7;
  --blue: #2976e6;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Golos, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection {
  background: #79b8f7;
  color: #061329;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
summary,
a {
  outline-offset: 5px;
}
:focus-visible {
  outline: 2px solid var(--accent);
}
svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icons {
  width: 0;
  height: 0;
  position: absolute;
  overflow: hidden;
}
.wrap {
  width: min(1380px, calc(100% - 96px));
  margin-inline: auto;
}
#ambient {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 15% 20%, #153e7626, transparent 45%),
    radial-gradient(ellipse at 85% 80%, #0d367d1f, transparent 45%);
  z-index: -2;
}
.header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: #061023d9;
  backdrop-filter: blur(20px);
}
.nav {
  height: 94px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}
.company-logo {
  display: block;
  width: 156px;
  height: 60px;
  background: #e4f2ff;
  mask: url("assets/rosseti-wordmark.svg") center/contain no-repeat;
  -webkit-mask: url("assets/rosseti-wordmark.svg") center/contain no-repeat;
}
.product-name {
  font-size: 13px;
  line-height: 1.55;
  border-left: 1px solid #9dc6ff33;
  padding-left: 24px;
  color: var(--muted);
}
.product-name b {
  color: var(--text);
  font-weight: 500;
}
.nav-links {
  display: flex;
  gap: 30px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 17px;
  border: 1px solid #9ac5ff40;
  border-radius: 100px;
  padding: 13px 22px;
  font-size: 14px;
  background: #15284166;
}
.nav-cta svg {
  width: 17px;
  height: 17px;
}
.nav-cta:hover {
  background: #213d60;
}
.menu {
  display: none;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 1.7px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: flex;
  gap: 12px;
  align-items: center;
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8ed8ff;
  box-shadow:
    0 0 15px #79b8f7,
    0 0 0 5px #79b8f712;
  flex-shrink: 0;
}
.hero {
  position: relative;
}
.hero-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  min-height: 770px;
  align-items: center;
  padding: 55px 0 60px;
}
.hero-art {
  height: 605px;
  position: relative;
  perspective: 1100px;
  isolation: isolate;
}
.hero-art:before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, #227ee54f, transparent 65%);
  filter: blur(28px);
}
#knowledge-sphere {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}
.symbol-stack {
  position: absolute;
  width: 230px;
  height: 230px;
  left: 50%;
  top: 45%;
  transform: translate(-50%, -50%) rotate(-16deg);
  transform-style: preserve-3d;
  animation: float-symbol 9s ease-in-out infinite;
}
.symbol-face {
  position: absolute;
  inset: 0;
  mask: url("assets/rosseti-symbol.svg") center/contain no-repeat;
  -webkit-mask: url("assets/rosseti-symbol.svg") center/contain no-repeat;
  background: linear-gradient(130deg, #ecfaff, #78baff 44%, #1c64c5 80%);
  filter: drop-shadow(0 0 15px #4b99ee88);
  transform: translateZ(22px);
}
.symbol-depth {
  transform: translate(12px, 16px) translateZ(-10px);
  background: #0b3577;
  filter: none;
  opacity: 0.9;
}
.symbol-shine {
  transform: translate(-2px, -2px) translateZ(23px);
  background: linear-gradient(130deg, #fff9, transparent 45%);
  filter: none;
}
.orbital-label {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 1px solid #97bfff3d;
  border-radius: 10px;
  padding: 11px 15px;
  background: #112444c9;
  backdrop-filter: blur(14px);
  font-size: 13px;
  color: #d4e7ff;
  box-shadow: 0 6px 30px #01081b4f;
  animation: float-label 7s ease-in-out infinite;
}
.orbital-label svg {
  width: 17px;
  height: 17px;
  color: #8fc4ff;
}
.label-a {
  left: 2%;
  top: 17%;
}
.label-b {
  right: 3%;
  top: 12%;
  animation-delay: -2s;
}
.label-c {
  left: 0;
  bottom: 24%;
  animation-delay: -4s;
}
.label-d {
  right: 0;
  bottom: 21%;
  animation-delay: -1s;
}
.orbital-label i {
  font-style: normal;
  font-size: 9px;
  border: 1px solid #8ed9ff38;
  padding: 3px;
  border-radius: 3px;
}
.scene-caption {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 2px;
  white-space: nowrap;
  color: #617b9f;
}
.hero-copy {
  padding-bottom: 20px;
}
.hero h1 {
  font-size: clamp(55px, 4.8vw, 76px);
  font-weight: 750;
  letter-spacing: -3.4px;
  line-height: 1.16;
  margin: 25px 0 30px;
}
.highlight {
  display: inline;
  padding: 0 0.11em 0.04em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  border-radius: 7px;
  background: var(--accent);
  color: #06162d;
}
.hero h1 .hero-small {
  font-size: 0.8em;
  white-space: nowrap;
}
.hero-description {
  max-width: 520px;
  font-size: 19px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 34px;
}
.actions {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 23px;
  border-radius: 100px;
  padding: 17px 25px;
  min-height: 55px;
  font-size: 15px;
  border: 1px solid transparent;
  font-weight: 500;
  transition:
    background 0.25s,
    transform 0.25s,
    box-shadow 0.25s;
}
.btn svg {
  width: 20px;
  height: 20px;
}
.btn:hover {
  transform: translateY(-3px);
}
.btn-primary {
  color: #071a33;
  background: var(--accent);
  box-shadow: 0 0 35px #58aaff12;
}
.btn-primary:hover {
  background: #a6cff9;
  box-shadow: 0 0 35px #58aaff33;
}
.btn-ghost {
  background: #0c193580;
  color: #dcecff;
  border: 1px dashed #a6ceff45;
}
.btn-ghost:hover {
  background: #173258;
}
.hero-note {
  font-size: 12px;
  color: #6e88ab;
  margin-top: 23px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.hero-note svg {
  width: 14px;
  height: 14px;
}
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-bottom: 60px;
  gap: 0;
}
.fact {
  padding: 10px 25px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.fact:last-child {
  border: 0;
}
.fact b {
  display: block;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: -0.8px;
}
.fact small {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 9px;
}
.fact .fact-icon {
  display: inline-grid;
  width: 45px;
  height: 45px;
  place-items: center;
  color: #06162d;
  background: var(--accent);
  border-radius: 9px;
  transform: rotate(-5deg);
  margin-bottom: 5px;
}
.section {
  padding: 90px 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 45px;
  margin-bottom: 45px;
}
.section-head h2,
h2 {
  font-size: clamp(39px, 3.4vw, 53px);
  line-height: 1.19;
  letter-spacing: -2px;
  font-weight: 700;
  margin: 17px 0 0;
}
.section-head > p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 360px;
  margin: 0 0 7px;
}
.panel {
  position: relative;
  border: 1px solid #b3d4ff25;
  border-radius: 23px;
  background: linear-gradient(130deg, #1b32509c, #111e388f);
  box-shadow: inset 0 1px #d6ebff05;
  overflow: hidden;
}
.panel:before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.83' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23ffffff' opacity='.2' filter='url(%23n)' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
  opacity: 0.055;
  mix-blend-mode: screen;
}
.experience-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
}
.scenario-list {
  padding: 20px;
  border-right: 1px dashed var(--line);
}
.scenario-button {
  width: 100%;
  border: 0;
  border-bottom: 1px dashed #a6c6ff25;
  display: flex;
  align-items: center;
  gap: 17px;
  padding: 25px 21px;
  background: transparent;
  text-align: left;
  border-radius: 13px;
  color: #ccdaef;
  transition:
    background 0.3s,
    color 0.3s;
}
.scenario-button:last-child {
  border-bottom-color: transparent;
}
.scenario-button > svg {
  width: 25px;
  height: 25px;
  color: #7da7df;
}
.scenario-button > span {
  flex: 1;
}
.scenario-button b {
  display: block;
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.5px;
}
.scenario-button small {
  font-size: 13px;
  line-height: 1.5;
  display: block;
  margin-top: 8px;
  color: #8196b5;
}
.scenario-button .num {
  font-size: 12px;
  color: #607b9f;
  flex: 0;
}
.scenario-button[aria-selected="true"] {
  background: var(--accent);
  color: #081a33;
  border-color: transparent;
}
.scenario-button[aria-selected="true"] svg {
  color: #174c89;
}
.scenario-button[aria-selected="true"] small {
  color: #345477;
}
.scenario-button[aria-selected="true"] .num {
  color: #345477;
}
.answer-space {
  padding: 35px 42px 28px;
  min-height: 550px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.preview-label {
  font-size: 11px;
  color: #6e8db5;
  letter-spacing: 1.6px;
  display: flex;
  gap: 9px;
  align-items: center;
}
.preview-label svg {
  width: 17px;
  height: 17px;
}
.question {
  font-size: 18px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin: 21px 0 26px;
  color: #d4e2f6;
}
.answer-label {
  font-size: 11px;
  letter-spacing: 1.4px;
  color: #87b6ed;
  display: flex;
  align-items: center;
  gap: 10px;
}
.answer-label svg {
  width: 18px;
  height: 18px;
}
.answer-text {
  font-size: 25px;
  line-height: 1.65;
  letter-spacing: -0.5px;
  margin: 20px 0 26px;
  min-height: 115px;
}
.answer-text strong {
  font-weight: 600;
  color: var(--accent);
}
.answer-text sup {
  font-size: 12px;
  color: #95caff;
}
.source-button {
  border: 1px solid #8ab2ed38;
  background: #07162e80;
  border-radius: 10px;
  padding: 16px;
  display: flex;
  gap: 13px;
  align-items: center;
  text-align: left;
  width: 100%;
  color: #c3d5ee;
  margin-top: auto;
}
.source-button > svg:first-child {
  width: 24px;
  height: 24px;
  color: #83b1ed;
}
.source-button > span {
  min-width: 0;
  flex: 1;
}
.source-button b {
  display: block;
  font-size: 14px;
  font-weight: 500;
  overflow-wrap: anywhere;
}
.source-button small {
  display: block;
  font-size: 12px;
  color: #6986af;
  line-height: 1.6;
  margin-top: 5px;
}
.source-button > svg:last-child {
  width: 17px;
  height: 17px;
  transition: transform 0.3s;
}
.source-button[aria-expanded="true"] > svg:last-child {
  transform: rotate(90deg);
}
.source-button:hover {
  background: #18355a;
}
.source-quote {
  border-left: 2px solid var(--accent);
  padding: 8px 16px;
  margin: 16px 0 0;
  color: #afc5e1;
  line-height: 1.8;
  font-size: 14px;
}
.preview-footer {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 11px;
  color: #6d87aa;
  margin-top: 23px;
}
.preview-footer span:first-child {
  color: #79c6b7;
}
.preview-footer a {
  color: var(--accent);
}
.answer-text.changing {
  animation: answer-in 0.5s ease both;
}
.flow-panel {
  padding: 45px;
  display: grid;
  grid-template-columns: 210px 1fr 210px;
  gap: 20px;
  align-items: center;
  min-height: 390px;
}
.flow-docs {
  display: grid;
  gap: 12px;
}
.flow-doc {
  padding: 18px;
  border: 1px dashed #79b8f738;
  border-radius: 12px;
  font-size: 15px;
  color: #bfcee4;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #091830;
}
.flow-doc svg {
  color: #80b3ed;
  width: 21px;
}
.flow-diagram {
  height: 250px;
  position: relative;
}
.flow-diagram svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.flow-track {
  stroke: #6b9ad94f;
  stroke-width: 1.4;
  fill: none;
}
.flow-motion {
  stroke: #79b8f7;
  stroke-width: 2;
  stroke-dasharray: 3 90;
  fill: none;
  animation: stream 5s linear infinite;
}
.flow-motion:nth-child(2) {
  animation-delay: -2s;
}
.flow-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 112px;
  width: 112px;
  border: 1px solid #79b8f770;
  background: radial-gradient(circle at 35% 25%, #3469a9, #10294b);
  border-radius: 50%;
  box-shadow:
    0 0 0 10px #79b8f706,
    0 0 45px #4191ff22;
  display: grid;
  place-items: center;
}
.flow-core svg {
  width: 48px;
  height: 48px;
  color: #c8e6ff;
}
.flow-core:before {
  content: "";
  position: absolute;
  inset: -18px;
  border: 1px dashed #79b8f733;
  border-radius: 50%;
  animation: orbit 40s linear infinite;
}
.flow-output {
  border: 1px solid #79b8f738;
  border-radius: 13px;
  padding: 24px;
  background: #0a1930;
}
.flow-output > svg {
  color: #8dd7bb;
  margin-bottom: 15px;
}
.flow-output b {
  font-size: 19px;
  display: block;
  line-height: 1.5;
}
.flow-output small {
  font-size: 12px;
  color: #829abd;
  display: block;
  margin-top: 10px;
  line-height: 1.65;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
  gap: 12px;
}
.step {
  background: #0d1b32;
  border: 1px solid var(--line);
  border-radius: 13px;
  text-align: left;
  padding: 23px 20px;
  transition:
    background 0.3s,
    border-color 0.3s;
  color: var(--muted);
}
.step.active {
  background: #172f50;
  border-color: #83baff6b;
  color: var(--text);
}
.step-number {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 17px;
}
.step b {
  display: block;
  font-size: 18px;
  margin-bottom: 7px;
}
.step small {
  font-size: 12px;
  line-height: 1.7;
}
.process-detail {
  padding: 23px 3px;
  color: #8ea6c7;
  font-size: 15px;
  line-height: 1.8;
  min-height: 103px;
  max-width: 970px;
}
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 85px;
  align-items: center;
}
.trust-grid h2 {
  font-size: 51px;
}
.trust-description {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 480px;
  margin: 28px 0;
}
.trust-list {
  padding: 0;
  list-style: none;
  margin: 24px 0;
}
.trust-list li {
  padding: 17px 0;
  border-bottom: 1px dashed var(--line);
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: 15px;
  color: #b3c4dc;
  line-height: 1.7;
}
.trust-list span {
  color: var(--accent);
}
.paper-wrap {
  position: relative;
  padding: 40px 8px 45px;
  perspective: 1000px;
}
.paper {
  border: 1px solid #8eb6f342;
  border-radius: 18px;
  background: linear-gradient(145deg, #1b3556, #0c1931);
  box-shadow: 0 20px 70px #0005;
  transform: rotate(3deg);
  transition: transform 0.5s;
}
.paper:hover {
  transform: rotate(0);
}
.paper-header {
  padding: 25px;
  display: flex;
  gap: 13px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  align-items: center;
}
.paper-header svg {
  color: #80bbff;
}
.paper-header small {
  display: block;
  color: #6487b5;
  margin-top: 6px;
  font-size: 12px;
}
.paper-content {
  padding: 33px;
}
.paper-content > span {
  font-size: 11px;
  letter-spacing: 1.8px;
  color: #738fb6;
}
.paper-line {
  height: 6px;
  background: #38547a4d;
  width: 90%;
  border-radius: 5px;
  margin: 17px 0;
}
.paper-line.short {
  width: 65%;
}
.paper-content p {
  font-size: 20px;
  line-height: 1.85;
  border-left: 2px solid var(--accent);
  padding: 14px 18px;
  background: #79b8f70b;
  color: #c8e3ff;
  margin: 25px -10px;
}
.paper-bottom {
  padding: 19px 25px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: #6e8db5;
  display: flex;
  justify-content: space-between;
}
.proof-chip {
  position: absolute;
  bottom: 15px;
  left: -20px;
  border: 1px solid #729dcf55;
  border-radius: 10px;
  background: #153452;
  padding: 18px 25px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 40px #02081788;
}
.proof-chip svg {
  color: #91d3bf;
}
.scenario-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.scenario-card {
  padding: 29px 29px 32px;
  min-height: 330px;
  transition:
    transform 0.35s,
    border-color 0.35s;
}
.scenario-card:hover {
  transform: translateY(-7px);
  border-color: #79b8f755;
}
.scenario-card > svg {
  height: 35px;
  width: 35px;
  color: #94c8ff;
  margin: 15px 0 25px;
}
.scenario-card > small {
  display: block;
  font-size: 11px;
  color: #6b8bb5;
  letter-spacing: 1.5px;
}
.scenario-card h3 {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin: 0 0 17px;
}
.scenario-card p {
  font-size: 15px;
  line-height: 1.8;
  color: #98adc9;
  margin: 0;
}
.scenario-card .prompt {
  margin-top: 27px;
  border-top: 1px dashed var(--line);
  padding-top: 20px;
  font-size: 14px;
  color: #8cc4ff;
  line-height: 1.7;
}
.section-note {
  font-size: 12px;
  color: #6884a8;
  margin-top: 23px;
  line-height: 1.8;
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 75px;
}
.faq-intro .btn {
  margin-top: 30px;
}
.faq details {
  border: 1px solid #79b8f721;
  background: #101e36;
  border-radius: 13px;
  margin-bottom: 11px;
  transition: background 0.3s;
}
.faq details[open] {
  background: #18304e;
  border-color: #79b8f744;
}
.faq summary {
  padding: 23px 24px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  line-height: 1.6;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary span {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
  border: 1px dashed #8eb6eb50;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 17px;
  font-weight: 400;
}
.faq details[open] summary span {
  background: var(--accent);
  color: #06152d;
  transform: rotate(45deg);
}
.faq details p {
  font-size: 15px;
  line-height: 1.9;
  color: #a4b8d3;
  margin: 0;
  padding: 0 26px 24px;
  max-width: 680px;
}
.final-section {
  padding: 60px 0 65px;
}
.final-panel {
  text-align: center;
  padding: 90px 35px;
  isolation: isolate;
}
.final-panel h2 {
  font-size: 60px;
  line-height: 1.35;
  letter-spacing: -2px;
  position: relative;
}
.final-panel .eyebrow {
  justify-content: center;
}
.final-panel > p {
  font-size: 18px;
  color: #9db4d4;
  line-height: 1.8;
  margin: 27px 0 30px;
}
.final-panel .actions {
  justify-content: center;
  position: relative;
}
.final-panel > .section-note {
  position: relative;
  display: block;
  margin-top: 25px;
}
.final-rings {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.final-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px dashed #79b8f720;
  border-radius: 50%;
  width: 500px;
  height: 500px;
  transform: translate(-50%, -50%);
  animation: orbit-final 50s linear infinite;
}
.final-ring:nth-child(2) {
  width: 650px;
  height: 650px;
  animation-direction: reverse;
}
.final-ring:nth-child(3) {
  width: 800px;
  height: 800px;
  opacity: 0.5;
}
.final-ring:after {
  content: "";
  width: 7px;
  height: 7px;
  background: #9acaff;
  border-radius: 50%;
  position: absolute;
  left: 14%;
  top: 14%;
  box-shadow: 0 0 15px #79b8f7;
}
.footer {
  display: flex;
  align-items: center;
  gap: 35px;
  border-top: 1px solid var(--line);
  padding: 35px 0 40px;
  justify-content: space-between;
}
.footer .company-logo {
  width: 130px;
  height: 50px;
}
.footer > span {
  font-size: 13px;
  line-height: 1.7;
  color: #6e88ad;
}
.footer > a:last-child {
  font-size: 14px;
  color: #aac4e6;
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  z-index: 40;
  background: var(--accent);
  box-shadow: 0 0 10px #79b8f7;
  pointer-events: none;
}
.reveal {
  opacity: 1;
  transform: none;
}
.motion-ready .reveal {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity 0.8s ease,
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.motion-ready .reveal.in-view {
  opacity: 1;
  transform: none;
}
.toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translate(-50%, 15px);
  border: 1px solid #80afff66;
  background: #17375a;
  color: #ddedff;
  padding: 15px 25px;
  border-radius: 12px;
  opacity: 0;
  transition: 0.3s;
  pointer-events: none;
  z-index: 50;
  font-size: 14px;
}
.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
[hidden] {
  display: none !important;
}
@keyframes float-symbol {
  0%,
  100% {
    transform: translate(-50%, -50%) rotate(-16deg) rotateY(-12deg);
  }
  50% {
    transform: translate(-50%, -55%) rotate(-8deg) rotateY(14deg);
  }
}
@keyframes float-label {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -10px;
  }
}
@keyframes stream {
  to {
    stroke-dashoffset: -186;
  }
}
@keyframes orbit {
  to {
    rotate: 360deg;
  }
}
@keyframes orbit-final {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
@keyframes answer-in {
  from {
    opacity: 0;
    transform: translateY(9px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1700px) {
  .hero-main {
    min-height: 800px;
  }
  .hero-art {
    height: 640px;
  }
  .hero h1 {
    font-size: 84px;
  }
  .hero h1 .hero-small {
    font-size: 0.76em;
  }
}
@media (max-width: 1200px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .nav-links {
    gap: 20px;
    font-size: 13px;
  }
  .product-name {
    display: none;
  }
  .hero-main {
    gap: 30px;
    min-height: 690px;
  }
  .hero-art {
    height: 540px;
  }
  .hero h1 {
    font-size: 65px;
  }
  .hero-description {
    font-size: 17px;
  }
  .orbital-label {
    font-size: 12px;
    padding: 10px;
  }
  .symbol-stack {
    width: 190px;
    height: 190px;
  }
  .answer-space {
    padding: 30px;
  }
  .answer-text {
    font-size: 22px;
  }
  .scenario-button {
    padding: 24px 17px;
  }
  .scenario-button b {
    font-size: 19px;
  }
  .flow-panel {
    grid-template-columns: 175px 1fr 180px;
    padding: 32px;
  }
  .trust-grid {
    gap: 50px;
  }
  .trust-grid h2 {
    font-size: 44px;
  }
  .faq-grid {
    gap: 40px;
  }
  .scenario-card {
    padding: 25px;
  }
  .scenario-card h3 {
    font-size: 21px;
  }
}
@media (max-width: 900px) {
  .nav {
    height: 80px;
    gap: 20px;
  }
  .company-logo {
    width: 137px;
    height: 52px;
  }
  .nav-links {
    gap: 18px;
    font-size: 12px;
  }
  .nav-cta {
    padding: 12px 17px;
    font-size: 13px;
    gap: 10px;
  }
  .hero-main {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    min-height: 620px;
    padding-block: 35px;
  }
  .hero-art {
    height: 450px;
  }
  .hero h1 {
    font-size: 51px;
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 16px;
  }
  .hero .actions {
    gap: 10px;
  }
  .hero .btn {
    font-size: 13px;
    padding: 15px 19px;
    gap: 13px;
  }
  .hero-note {
    font-size: 11px;
  }
  .eyebrow {
    font-size: 10px;
  }
  .symbol-stack {
    width: 155px;
    height: 155px;
  }
  .orbital-label {
    font-size: 10px;
    padding: 8px;
    gap: 5px;
  }
  .orbital-label svg {
    width: 14px;
    height: 14px;
  }
  .scene-caption {
    font-size: 8px;
    letter-spacing: 1.2px;
    bottom: 25px;
  }
  .fact b {
    font-size: 23px;
  }
  .fact small {
    font-size: 12px;
  }
  .section {
    padding-block: 65px;
  }
  .section-head h2,
  h2 {
    font-size: 39px;
  }
  .section-head > p {
    font-size: 14px;
    max-width: 280px;
  }
  .experience-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }
  .scenario-list {
    padding: 12px;
  }
  .scenario-button {
    padding: 22px 12px;
    gap: 12px;
  }
  .scenario-button b {
    font-size: 17px;
  }
  .scenario-button small {
    font-size: 12px;
  }
  .scenario-button > svg {
    width: 20px;
    height: 20px;
  }
  .answer-space {
    padding: 27px;
    min-height: 540px;
  }
  .answer-text {
    font-size: 21px;
  }
  .source-button {
    padding: 13px;
    gap: 8px;
  }
  .source-button b {
    font-size: 12px;
  }
  .source-button small {
    font-size: 11px;
  }
  .flow-panel {
    grid-template-columns: 155px 1fr 160px;
    padding: 25px;
    gap: 10px;
  }
  .flow-doc {
    padding: 14px;
    font-size: 13px;
  }
  .flow-output {
    padding: 18px;
  }
  .flow-output b {
    font-size: 17px;
  }
  .flow-core {
    width: 85px;
    height: 85px;
  }
  .flow-core svg {
    width: 40px;
    height: 40px;
  }
  .step {
    padding: 20px 16px;
  }
  .step b {
    font-size: 16px;
  }
  .step small {
    font-size: 11px;
  }
  .trust-grid {
    gap: 35px;
  }
  .trust-grid h2 {
    font-size: 38px;
  }
  .trust-description {
    font-size: 16px;
  }
  .trust-list li {
    font-size: 14px;
  }
  .paper-header {
    font-size: 12px;
    padding: 19px;
  }
  .paper-header small {
    font-size: 10px;
  }
  .paper-content {
    padding: 25px;
  }
  .paper-content p {
    font-size: 17px;
  }
  .proof-chip {
    left: -10px;
    padding: 16px;
    font-size: 12px;
  }
  .paper-bottom {
    font-size: 10px;
    padding: 16px;
  }
  .scenario-cards {
    gap: 14px;
  }
  .scenario-card {
    padding: 22px;
    min-height: 380px;
  }
  .scenario-card h3 {
    font-size: 20px;
  }
  .scenario-card p {
    font-size: 14px;
  }
  .scenario-card .prompt {
    font-size: 13px;
  }
  .faq-grid {
    gap: 30px;
    grid-template-columns: 0.8fr 1.2fr;
  }
  .faq summary {
    font-size: 15px;
    padding: 20px;
  }
  .faq details p {
    font-size: 14px;
    padding-inline: 20px;
  }
  .final-panel {
    padding: 70px 30px;
  }
  .final-panel h2 {
    font-size: 49px;
  }
  .final-panel > p {
    font-size: 16px;
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 90px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .nav {
    height: 78px;
    gap: 13px;
  }
  .company-logo {
    width: 121px;
    height: 46px;
  }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 77px;
    flex-direction: column;
    padding: 25px 24px;
    background: #08172df5;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-cta {
    margin-left: auto;
    padding: 11px 15px;
    font-size: 12px;
    gap: 10px;
  }
  .menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    padding: 6px;
  }
  .menu span {
    height: 2px;
    width: 20px;
    background: #a9c8ed;
  }
  .hero-main {
    display: flex;
    flex-direction: column-reverse;
    padding-top: 42px;
    gap: 0;
  }
  .hero-copy {
    padding: 0;
    text-align: center;
  }
  .hero-copy .eyebrow {
    justify-content: center;
  }
  .hero h1 {
    font-size: 58px;
    letter-spacing: -2.6px;
    line-height: 1.16;
    margin: 24px 0;
  }
  .hero h1 .hero-small {
    font-size: 0.73em;
  }
  .hero-description {
    max-width: 440px;
    margin: 0 auto 25px;
    font-size: 17px;
  }
  .actions {
    justify-content: center;
  }
  .hero .btn {
    font-size: 14px;
    padding: 16px 22px;
  }
  .hero-note {
    justify-content: center;
    margin-top: 22px;
  }
  .hero-art {
    width: min(100%, 500px);
    height: 440px;
    margin: 15px auto 0;
  }
  .symbol-stack {
    width: 180px;
    height: 180px;
  }
  .orbital-label {
    font-size: 11px;
    padding: 9px 11px;
  }
  .label-a {
    left: 3%;
    top: 20%;
  }
  .label-b {
    right: 2%;
    top: 15%;
  }
  .label-c {
    left: 2%;
    bottom: 26%;
  }
  .label-d {
    right: 0;
    bottom: 25%;
  }
  .scene-caption {
    bottom: 23px;
    font-size: 8px;
  }
  .facts {
    grid-template-columns: 1fr 1fr;
    padding-bottom: 25px;
    row-gap: 25px;
  }
  .fact {
    padding: 10px 8px;
  }
  .fact:nth-child(2) {
    border: 0;
  }
  .fact b {
    font-size: 23px;
  }
  .fact small {
    font-size: 12px;
    max-width: 170px;
    margin: 8px auto 0;
  }
  .section {
    padding-block: 50px;
  }
  .section-head {
    display: block;
    margin-bottom: 30px;
  }
  .section-head h2,
  h2 {
    font-size: 38px;
    letter-spacing: -1.4px;
    line-height: 1.26;
  }
  .section-head > p {
    font-size: 15px;
    max-width: 380px;
    margin: 24px 0 0;
  }
  .experience-grid {
    grid-template-columns: 1fr;
  }
  .scenario-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 13px;
    border-right: 0;
    border-bottom: 1px dashed var(--line);
  }
  .scenario-button {
    padding: 15px 12px;
    border: 1px solid #79b8f716;
    gap: 8px;
    border-radius: 9px;
    align-items: flex-start;
  }
  .scenario-button b {
    font-size: 14px;
  }
  .scenario-button small {
    font-size: 11px;
    margin-top: 5px;
  }
  .scenario-button > svg {
    width: 17px;
    height: 17px;
    margin-top: 2px;
  }
  .scenario-button .num {
    display: none;
  }
  .answer-space {
    padding: 26px 23px;
    min-height: 485px;
  }
  .question {
    font-size: 17px;
    margin-top: 17px;
    padding-bottom: 19px;
  }
  .answer-text {
    font-size: 24px;
    min-height: 120px;
    margin-bottom: 24px;
  }
  .answer-label {
    font-size: 10px;
  }
  .preview-label {
    font-size: 10px;
  }
  .source-button b {
    font-size: 12px;
  }
  .source-button small {
    font-size: 11px;
  }
  .source-quote {
    font-size: 14px;
  }
  .preview-footer {
    font-size: 10px;
  }
  .panel {
    border-radius: 17px;
  }
  .flow-panel {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 26px 22px;
    min-height: 0;
  }
  .flow-docs {
    display: flex;
    gap: 7px;
    justify-content: center;
  }
  .flow-doc {
    font-size: 12px;
    padding: 11px 10px;
    gap: 6px;
    flex: 1;
    justify-content: center;
  }
  .flow-doc svg {
    width: 17px;
    height: 17px;
  }
  .flow-diagram {
    height: 210px;
    transform: rotate(90deg);
    width: 240px;
    justify-self: center;
    margin-block: 4px;
  }
  .flow-core {
    transform: translate(-50%, -50%) rotate(-90deg);
  }
  .flow-output {
    padding: 20px;
    text-align: center;
    max-width: 300px;
    margin: auto;
    width: 100%;
  }
  .flow-output > svg {
    margin-bottom: 8px;
  }
  .flow-output b {
    font-size: 19px;
  }
  .flow-output small {
    font-size: 12px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .step {
    padding: 18px 17px;
    min-height: 133px;
  }
  .step b {
    font-size: 17px;
  }
  .step small {
    font-size: 12px;
  }
  .step-number {
    margin-bottom: 12px;
  }
  .process-detail {
    font-size: 14px;
    min-height: 138px;
    line-height: 1.85;
    padding-top: 20px;
  }
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .trust-grid h2 {
    font-size: 39px;
  }
  .trust-description {
    font-size: 16px;
    max-width: none;
  }
  .trust-list li {
    font-size: 14px;
  }
  .paper-wrap {
    width: min(100%, 440px);
    margin: auto;
    padding: 20px 8px 40px;
  }
  .paper-content p {
    font-size: 18px;
  }
  .paper-header {
    font-size: 13px;
  }
  .paper-header small {
    font-size: 11px;
  }
  .paper-content {
    padding: 25px;
  }
  .proof-chip {
    left: 0;
    bottom: 13px;
    font-size: 13px;
    padding: 15px;
  }
  .scenario-cards {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .scenario-card {
    min-height: 0;
    padding: 28px;
  }
  .scenario-card h3 {
    font-size: 24px;
  }
  .scenario-card > svg {
    margin-block: 20px;
  }
  .scenario-card p {
    font-size: 16px;
  }
  .scenario-card .prompt {
    font-size: 15px;
  }
  .section-note {
    font-size: 12px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .faq-intro .btn {
    margin-top: 25px;
  }
  .faq summary {
    font-size: 16px;
    padding: 21px;
  }
  .faq details p {
    font-size: 15px;
    padding: 0 21px 23px;
  }
  .final-section {
    padding: 30px 0 40px;
  }
  .final-panel {
    padding: 55px 22px;
  }
  .final-panel h2 {
    font-size: 39px;
    letter-spacing: -1.3px;
    line-height: 1.4;
  }
  .final-panel > p {
    font-size: 16px;
  }
  .final-panel .actions {
    flex-direction: column;
    max-width: 290px;
    margin: auto;
  }
  .final-panel .btn {
    font-size: 14px;
    gap: 18px;
    padding: 16px 20px;
  }
  .footer {
    gap: 20px;
    flex-wrap: wrap;
    padding: 27px 0 30px;
  }
  .footer .company-logo {
    width: 112px;
    height: 43px;
  }
  .footer > span {
    order: 3;
    width: 100%;
    font-size: 12px;
  }
  .footer > a:last-child {
    font-size: 13px;
  }
  .toast {
    font-size: 12px;
    width: max-content;
    max-width: 90%;
    line-height: 1.6;
    padding: 13px 19px;
  }
  .motion-ready .reveal {
    transition-duration: 0.6s;
  }
}
@media (max-width: 380px) {
  .wrap {
    width: calc(100% - 30px);
  }
  .nav {
    gap: 9px;
  }
  .nav-cta {
    padding: 10px 11px;
    font-size: 11px;
  }
  .hero h1 {
    font-size: 52px;
  }
  .hero-description {
    font-size: 16px;
  }
  .hero .actions {
    flex-direction: column;
    max-width: 280px;
    margin: auto;
  }
  .hero-art {
    height: 390px;
  }
  .symbol-stack {
    width: 150px;
    height: 150px;
  }
  .orbital-label {
    font-size: 10px;
  }
  .section-head h2,
  h2,
  .trust-grid h2 {
    font-size: 34px;
  }
  .answer-space {
    padding-inline: 19px;
  }
  .answer-text {
    font-size: 22px;
  }
}
.interactive-logo {
  isolation: isolate;
}
.interactive-logo:before {
  inset: 5%;
  background: radial-gradient(circle, #0f4c9633, transparent 66%);
}
#logo-scene {
  position: absolute;
  inset: 0 0 78px;
  touch-action: pan-y;
}
#logo-scene canvas {
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}
#logo-scene.scene-fallback:before {
  content: "";
  position: absolute;
  inset: 10%;
  background: linear-gradient(130deg, #bcdeff, #0757b5);
  mask: url("assets/rosseti-symbol.svg") center/contain no-repeat;
  -webkit-mask: url("assets/rosseti-symbol.svg") center/contain no-repeat;
}
#logo-node-labels {
  position: absolute;
  inset: 0 0 78px;
  pointer-events: none;
}
.map-node-label {
  position: absolute;
  pointer-events: auto;
  transform: translateY(-50%);
  padding: 7px 10px;
  border: 1px solid #8bbcff26;
  border-radius: 6px;
  background: #06142bdf;
  backdrop-filter: blur(12px);
  color: #cee2fd;
  font-size: 11px;
  line-height: 1.5;
  white-space: nowrap;
  transition: background 0.2s;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.map-node-label:hover {
  background: #214b7e;
  border-color: #79b8f777;
}
.logo-controls {
  position: absolute;
  bottom: 9px;
  left: 0;
  right: 0;
  text-align: center;
}
.logo-controls p {
  font-size: 11px;
  color: #7e9fc9;
  line-height: 1.6;
  margin: 0 0 13px;
}
.logo-controls button {
  font-size: 12px;
  padding: 12px 20px;
  border: 1px solid #79b8f745;
  border-radius: 8px;
  background: #112746b8;
  color: #cde5ff;
  transition: background 0.2s;
}
.logo-controls button:hover {
  background: #204475;
}
.logo-controls button:disabled {
  cursor: progress;
  opacity: 0.6;
}
#logo-info {
  position: absolute;
  left: 50%;
  bottom: 105px;
  transform: translateX(-50%);
  width: min(370px, 90%);
  padding: 23px;
  background: #0b213ded;
  border: 1px solid #8bbcff55;
  border-radius: 13px;
  box-shadow: 0 15px 45px #0007;
  backdrop-filter: blur(20px);
  z-index: 5;
}
#logo-info b {
  font-size: 17px;
  display: block;
  padding-right: 22px;
  color: #dfedff;
}
#logo-info p {
  font-size: 14px;
  color: #a1badb;
  line-height: 1.7;
  margin: 13px 0;
}
#logo-info small {
  display: block;
  font-size: 11px;
  color: #5e83b5;
  margin-bottom: 13px;
}
#logo-info a {
  font-size: 12px;
  color: #79b8f7;
}
#logo-info-close {
  position: absolute;
  right: 10px;
  top: 8px;
  background: none;
  border: 0;
  color: #aac7eb;
  font-size: 25px;
  padding: 3px 6px;
}
@media (max-width: 700px) {
  #logo-scene,
  #logo-node-labels {
    bottom: 85px;
  }
  .hero-art.interactive-logo {
    height: 455px;
  }
  .logo-controls p {
    font-size: 10px;
  }
  .logo-controls button {
    font-size: 12px;
  }
  .map-node-label {
    font-size: 10px;
    padding: 5px 7px;
    max-width: 127px;
  }
  #logo-info {
    bottom: 100px;
    padding: 20px;
  }
  #logo-info b {
    font-size: 16px;
  }
  #logo-info p {
    font-size: 13px;
  }
}
@media (max-width: 380px) {
  .hero-art.interactive-logo {
    height: 405px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}
/* Stable scene viewport: details use separate space below it. */
.hero-main {
  padding-bottom: 210px;
}
.hero-art.map-open #logo-info {
  top: calc(100% + 18px);
  left: 0;
  right: 0;
  bottom: auto;
  transform: none;
  width: 100%;
  min-height: 126px;
  padding: 21px 48px 21px 23px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 24px;
  row-gap: 9px;
  align-content: center;
  box-shadow: none;
  background: #0d2139;
  border-color: #8bbcff30;
  backdrop-filter: none;
  z-index: 2;
  animation: answer-in 0.4s ease both;
}
.hero-art.map-open #logo-info b {
  grid-column: 1;
  font-size: 16px;
  padding: 0;
}
.hero-art.map-open #logo-info p {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  max-width: 380px;
}
.hero-art.map-open #logo-info small {
  display: none;
}
.hero-art.map-open #logo-info a {
  grid-column: 2;
  grid-row: 1/3;
  align-self: center;
  max-width: 150px;
  font-size: 12px;
  line-height: 1.7;
  color: #79b8f7;
}
.hero-art.map-open #logo-info-close {
  right: 10px;
  top: 7px;
}
.map-node-label[aria-pressed="true"] {
  border-color: #79b8f799;
  background: #16395e;
  color: #f2f8ff;
}
@media (max-width: 1100px) {
  .hero-art.map-open #logo-info {
    grid-template-columns: 1fr;
    padding: 18px 40px 18px 20px;
    gap: 6px;
  }
  .hero-art.map-open #logo-info p {
    font-size: 13px;
  }
  .hero-art.map-open #logo-info a {
    grid-column: 1;
    grid-row: auto;
    max-width: none;
    font-size: 11px;
  }
}
@media (max-width: 700px) {
  .hero-main {
    padding-bottom: 190px;
  }
  .hero-art.map-open #logo-info {
    padding: 17px 37px 17px 18px;
  }
  .hero-art.map-open #logo-info b {
    font-size: 15px;
  }
}