/* PPX identity: precise geometry, deep ink, cool mineral accents. */
:root {
  color-scheme: dark;
  --bg: #080e13;
  --panel: #101a22;
  --ink: #eff5f7;
  --muted: #9aaebc;
  --line: #23333f;
  --accent: #83f2cf;
  --accent-ink: #051c16;
  --soft: #0c151d;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --glow: #3dd6bb18;
  --header: #080e13ed;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7f9;
  --panel: #fff;
  --ink: #122834;
  --muted: #506777;
  --line: #d0dfe5;
  --accent: #087563;
  --accent-ink: #fff;
  --soft: #eaf1f4;
  --glow: #008c8210;
  --header: #f4f7f9ed;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    15px/1.7 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Microsoft YaHei",
    sans-serif;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  touch-action: manipulation;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px;
  background: var(--ink);
  color: var(--bg);
}
.skip:focus {
  top: 8px;
}
.wrap {
  width: min(1280px, calc(100% - 100px));
  margin-inline: auto;
}
.header {
  position: sticky;
  top: 0;
  background: var(--header);
  backdrop-filter: blur(16px);
  z-index: 20;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 21px;
  white-space: nowrap;
}
.brand img {
  object-fit: contain;
  border-radius: 8px;
}
.brand b {
  font-weight: 400;
  color: var(--muted);
}
.brand small {
  font: 9px/1.5 var(--mono);
  letter-spacing: 0.1em;
  color: var(--muted);
}
.brand-divider {
  width: 1px;
  height: 22px;
  background: var(--line);
  margin-inline: 4px;
}
.header nav {
  display: flex;
  gap: 30px;
  font-size: 13px;
  color: var(--muted);
}
.header nav a:hover,
.text-link:hover {
  color: var(--accent);
}
.header-actions {
  display: flex;
  gap: 22px;
  align-items: center;
}
.theme-button {
  border: 0;
  background: none;
  font-size: 22px;
  width: 36px;
  height: 36px;
}
.login {
  background: var(--ink);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: 5px;
  font-weight: 600;
  font-size: 12px;
}
.login span {
  padding-left: 15px;
}
.mobile-links {
  display: none;
}
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 80% 20%, var(--glow), transparent 65%);
}
.hero-grid {
  position: absolute;
  inset: 0 0 95px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 74px 74px;
  opacity: 0.19;
  mask-image: linear-gradient(90deg, transparent 22%, #000 75%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 35px;
  align-items: center;
  min-height: 650px;
  padding-block: 75px 85px;
}
.hero-copy {
  position: relative;
  z-index: 1;
}
.announcement {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  font-size: 11px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 5px 12px 5px 5px;
  margin-bottom: 39px;
  background: var(--soft);
}
.announcement span {
  padding: 2px 9px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 20px;
  font-size: 10px;
  font-weight: 650;
}
.announcement b {
  color: var(--accent);
}
.eyebrow {
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 22px;
}
h1 {
  font-size: clamp(45px, 4.5vw, 67px);
  line-height: 1.28;
  letter-spacing: -0.055em;
  margin: 0;
  font-weight: 740;
}
h1 em {
  font-style: normal;
  background: linear-gradient(105deg, var(--ink), #87b8cf);
  color: transparent;
  background-clip: text;
}
.lede {
  font-size: 15px;
  line-height: 2;
  color: var(--muted);
  margin: 27px 0 31px;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.button {
  min-height: 47px;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 12px 19px;
  font-size: 13px;
  font-weight: 650;
}
.primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0 35px var(--glow);
}
.primary:hover {
  filter: brightness(1.1);
}
.secondary {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
}
.secondary:hover {
  border-color: var(--muted);
}
.hero-foot {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 25px;
  color: var(--muted);
  font-size: 10px;
}
.hero-foot i {
  width: 3px;
  height: 3px;
  background: var(--accent);
  border-radius: 50%;
}
.network-art {
  position: relative;
  min-width: 0;
  perspective: 900px;
}
.art-top,
.art-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font: 9px/1.8 var(--mono);
  gap: 10px;
}
.art-top {
  padding: 0 13px 13px;
  border-bottom: 1px solid var(--line);
}
.art-label {
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 9px;
}
.network-plane {
  height: 380px;
  position: relative;
}
.network-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.network-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-5deg);
  width: 145px;
  height: 152px;
  border: 1px solid #7bcebc75;
  border-radius: 19px;
  box-shadow:
    0 0 70px #39f1c019,
    inset 0 0 24px #76f5dc0b,
    5px 8px 0 #1a353b,
    6px 9px 0 #426770;
  background: linear-gradient(145deg, #213b41, #0e1e29 80%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #e9fbf7;
  z-index: 2;
}
.core-symbol {
  font-size: 59px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.1em;
  position: relative;
  color: #afffe7;
  margin-bottom: 15px;
}
.core-symbol span {
  font-size: 31px;
  position: absolute;
  right: -17px;
  top: -7px;
}
.network-core strong {
  font-size: 13px;
  letter-spacing: 0.05em;
}
.network-core small {
  font: 7px var(--mono);
  letter-spacing: 0.14em;
  margin-top: 6px;
  color: #9abfca;
}
.network-node {
  position: absolute;
  width: 116px;
  min-height: 43px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 9px;
  justify-content: center;
  box-shadow: 0 6px 24px #0001;
  z-index: 3;
}
.input-node {
  left: 0;
}
.output-node {
  right: 0;
}
.network-node span {
  color: var(--accent);
  font-size: 15px;
}
.network-node i {
  width: 5px;
  height: 5px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}
.n1 {
  top: 10%;
}
.n2 {
  top: 44%;
}
.n3 {
  top: 78%;
}
.art-bottom {
  border-top: 1px solid var(--line);
  padding: 15px 12px 0;
}
.art-bottom a {
  color: var(--accent);
}
.assurance {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  padding-block: 24px;
}
.assurance > div {
  display: flex;
  gap: 19px;
  align-items: center;
  padding-inline: 30px;
  border-right: 1px solid var(--line);
}
.assurance > div:first-child {
  padding-left: 0;
}
.assurance > div:last-child {
  border: 0;
  padding-right: 0;
}
.assurance p {
  margin: 0;
}
.assurance b {
  display: block;
  font-size: 13px;
  font-weight: 600;
}
.assurance small {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 3px;
}
.assurance-icon {
  width: 33px;
  height: 33px;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--accent);
}
.assurance a {
  margin-left: auto;
  color: var(--muted);
  padding: 7px;
}
.section {
  padding-block: 95px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 60px;
  margin-bottom: 43px;
}
.section-heading .eyebrow {
  margin-bottom: 18px;
}
h2 {
  font-size: 37px;
  line-height: 1.4;
  letter-spacing: -0.035em;
  margin: 0;
  font-weight: 630;
}
h2 > span {
  color: var(--muted);
}
.section-lede {
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 350px;
  margin: 0;
}
.onboarding-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 85px;
  align-items: center;
}
.setup-steps > div {
  display: flex;
  gap: 25px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}
.setup-steps > div:first-child {
  padding-top: 0;
}
.setup-steps > div > span {
  font: 11px var(--mono);
  color: var(--muted);
  padding-top: 5px;
}
.setup-steps h3 {
  font-size: 17px;
  margin: 0 0 7px;
  font-weight: 550;
}
.setup-steps p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
  margin: 0;
}
.setup-steps .restart-step > span {
  color: var(--accent);
}
.restart-step h3 {
  color: var(--accent);
}
.text-link {
  display: inline-flex;
  gap: 20px;
  font-size: 12px;
  align-items: center;
}
.setup-steps > .text-link {
  margin-top: 23px;
}
.demo {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 15px 65px #0001;
}
.demo-chrome {
  display: flex;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--line);
  padding: 13px 18px;
  font-size: 10px;
  color: var(--muted);
}
.window-dots {
  font-size: 8px;
  letter-spacing: 3px;
  opacity: 0.5;
}
.demo-label {
  font-size: 9px;
  margin-left: auto;
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 3px;
}
.demo-tabs {
  display: flex;
  gap: 24px;
  padding: 0 21px;
  border-bottom: 1px solid var(--line);
}
.demo-tabs button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font-size: 11px;
  padding: 15px 0;
}
.demo-tabs [aria-selected="true"] {
  border-color: var(--accent);
  color: var(--accent);
}
.demo-tabs small {
  font-size: 8px;
  border: 1px solid var(--line);
  padding: 2px 4px;
  margin-left: 4px;
  border-radius: 3px;
}
#demo-panel {
  padding: 24px;
}
.demo-file {
  font: 10px var(--mono);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}
.demo pre {
  font: 12px/2.8 var(--mono);
  margin: 23px 0;
  min-height: 102px;
  overflow: auto;
  color: var(--ink);
}
.demo-note {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  border-left: 2px solid var(--accent);
  background: var(--soft);
  color: var(--muted);
  font-size: 11px;
}
.demo-note > span {
  color: var(--accent);
}
.demo-note p {
  margin: 0;
}
#demo-link {
  display: block;
  margin-top: 21px;
  font-size: 12px;
  color: var(--accent);
}
.demo-bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 11px 18px;
  color: var(--muted);
  font: 9px var(--mono);
}
.workflow-section {
  background: var(--soft);
  border-block: 1px solid var(--line);
}
.task-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.task-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 30px;
  border-radius: 8px;
  transition:
    transform 0.2s,
    border-color 0.2s;
}
.task-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.task-card.featured {
  background: linear-gradient(145deg, var(--glow), var(--panel));
  border-color: #538e8359;
}
.task-icon {
  display: inline-flex;
  font: 25px var(--mono);
  width: 45px;
  height: 45px;
  align-items: center;
  justify-content: center;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--accent);
}
.card-arrow {
  float: right;
  color: var(--muted);
}
.task-card .card-kicker {
  font: 9px var(--mono);
  letter-spacing: 0.09em;
  margin-top: 32px;
  color: var(--accent);
}
.task-card h3 {
  font-size: 20px;
  margin: 13px 0;
}
.task-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  margin: 0;
  min-height: 73px;
}
.task-card .card-kicker {
  min-height: 0;
}
.card-link {
  display: block;
  font-size: 11px;
  margin-top: 30px;
  color: var(--accent);
}
.operations {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 100px;
}
.operations .section-lede {
  margin: 24px 0;
}
.operation-links > a {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}
.operation-links > a:first-child {
  padding-top: 0;
}
.operation-links > a > span:last-child {
  margin-left: auto;
  color: var(--muted);
}
.op-index {
  font: 10px var(--mono);
  color: var(--accent);
}
.operation-links h3 {
  font-size: 15px;
  font-weight: 550;
  margin: 0 0 5px;
}
.operation-links p {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.operation-links a:hover h3 {
  color: var(--accent);
}
.closing {
  padding: 40px 45px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background:
    radial-gradient(ellipse at 75% 50%, var(--glow), transparent 80%),
    var(--panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 72px;
}
.closing h2 {
  font-size: 29px;
}
.closing .eyebrow {
  margin-bottom: 15px;
}
.closing p:not(.eyebrow) {
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0 0;
}
.closing .button {
  flex-shrink: 0;
}
footer {
  border-top: 1px solid var(--line);
  padding-block: 28px 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  font-size: 10px;
  color: var(--muted);
}
footer .brand {
  font-size: 17px;
  color: var(--ink);
}
footer small {
  display: block;
  font-size: 9px;
}
footer > a:last-child {
  white-space: nowrap;
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .brand small,
  .brand-divider {
    display: none;
  }
  .hero-inner {
    gap: 30px;
  }
  .network-node {
    width: 98px;
    font-size: 10px;
  }
  .network-core {
    width: 126px;
    height: 135px;
  }
  .network-plane {
    height: 330px;
  }
  .hero-inner {
    min-height: 590px;
  }
  .onboarding-grid {
    gap: 40px;
  }
  .operations {
    gap: 55px;
  }
  .section-heading {
    gap: 35px;
  }
  .task-card {
    padding: 24px;
  }
  .task-card h3 {
    font-size: 18px;
  }
  .header nav {
    gap: 20px;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 38px);
  }
  .header-inner {
    height: 70px;
    gap: 15px;
  }
  .brand {
    font-size: 18px;
    gap: 8px;
  }
  .brand img {
    width: 29px;
    height: 29px;
  }
  .header nav {
    display: none;
  }
  .header-actions {
    gap: 10px;
  }
  .login {
    font-size: 11px;
    padding: 7px 11px;
  }
  .login span {
    padding-left: 8px;
  }
  .mobile-links {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 11px;
    color: var(--muted);
    padding-block: 13px;
    border-bottom: 1px solid var(--line);
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding-block: 40px 32px;
    gap: 45px;
    min-height: 0;
  }
  .announcement {
    margin-bottom: 25px;
    font-size: 10px;
  }
  .hero .eyebrow {
    font-size: 8px;
    margin-bottom: 18px;
  }
  h1 {
    font-size: clamp(36px, 8.8vw, 54px);
  }
  .lede {
    font-size: 13px;
    line-height: 1.9;
    margin: 22px 0 26px;
  }
  .button {
    gap: 16px;
    font-size: 11px;
    padding: 11px 14px;
    min-height: 44px;
  }
  .hero-foot {
    font-size: 9px;
    gap: 11px;
    margin-top: 20px;
  }
  .network-plane {
    height: 290px;
  }
  .network-core {
    width: 115px;
    height: 125px;
  }
  .core-symbol {
    font-size: 47px;
  }
  .network-core strong {
    font-size: 11px;
  }
  .network-core small {
    font-size: 6px;
  }
  .network-node {
    width: 94px;
    font-size: 9px;
    gap: 6px;
    min-height: 38px;
  }
  .network-node span {
    font-size: 12px;
  }
  .art-top,
  .art-bottom {
    font-size: 8px;
    padding-inline: 0;
  }
  .hero-grid {
    background-size: 50px 50px;
    mask-image: linear-gradient(0deg, #000, transparent);
  }
  .assurance {
    grid-template-columns: 1fr;
    padding-block: 0;
  }
  .assurance > div,
  .assurance > div:first-child,
  .assurance > div:last-child {
    padding: 17px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    gap: 15px;
  }
  .assurance > div:last-child {
    border-bottom: 0;
  }
  .assurance b {
    font-size: 12px;
  }
  .assurance small {
    font-size: 10px;
  }
  .section {
    padding-block: 55px;
  }
  .section-heading {
    flex-direction: column;
    align-items: start;
    gap: 19px;
    margin-bottom: 30px;
  }
  h2 {
    font-size: 29px;
  }
  .section-lede {
    font-size: 13px;
    max-width: 100%;
  }
  .onboarding-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .setup-steps h3 {
    font-size: 16px;
  }
  .demo-tabs {
    gap: 20px;
    padding-inline: 16px;
  }
  .demo-tabs button {
    font-size: 10px;
  }
  .demo-tabs small {
    font-size: 7px;
  }
  #demo-panel {
    padding: 18px;
  }
  .demo pre {
    font-size: 10px;
    line-height: 2.8;
    min-height: 86px;
  }
  .demo-bottom {
    font-size: 8px;
  }
  .task-grid {
    grid-template-columns: 1fr;
  }
  .task-card {
    padding: 25px;
  }
  .task-card p {
    min-height: 0;
  }
  .task-card .card-kicker {
    margin-top: 24px;
  }
  .task-card h3 {
    font-size: 20px;
  }
  .card-link {
    margin-top: 25px;
  }
  .operations {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .closing {
    flex-direction: column;
    align-items: start;
    padding: 27px;
    margin-bottom: 40px;
    gap: 23px;
  }
  .closing h2 {
    font-size: 24px;
  }
  .closing .eyebrow {
    font-size: 8px;
  }
  footer {
    flex-direction: column;
    align-items: start;
    gap: 16px;
  }
  footer .brand {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
