:root {
  --ink: #161311;
  --graphite: #262524;
  --graphite-soft: #35322f;
  --peach: #e3a15f;
  --peach-bright: #f2b36f;
  --cobalt: #244fc3;
  --fog: #f2f2ef;
  --paper: #fbfaf6;
  --line-dark: rgba(255, 255, 255, .17);
  --line-light: rgba(22, 19, 17, .17);
  --muted-dark: #a9a49e;
  --muted-light: #716d68;
  --sans: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --shell: min(1440px, calc(100% - 72px));
  --header-h: 84px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--fog);
  font-family: var(--sans);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

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

button, a, summary { font: inherit; }

a { color: inherit; }

p, h1, h2, h3, ul, dl, dd, figure { margin: 0; }

ul { padding: 0; list-style: none; }

.shell { width: var(--shell); margin-inline: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(22, 19, 17, .94);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  flex: 0 0 auto;
}

.brand-lockup img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-lockup strong {
  display: block;
  color: #fff;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .08em;
}

.brand-lockup span {
  display: block;
  margin-top: 6px;
  color: var(--peach-bright);
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .24em;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 20px;
  color: #c7c4bf;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease;
}

.primary-nav a::after {
  position: absolute;
  right: 20px;
  bottom: -1px;
  left: 20px;
  height: 3px;
  background: var(--peach);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, .045);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

.primary-nav a:focus-visible,
.nav-toggle:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--peach-bright);
  outline-offset: -3px;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  border: 1px solid var(--line-dark);
  background: transparent;
  color: #fff;
}

.nav-toggle i {
  display: block;
  height: 1px;
  margin: 5px 0;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 0;
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(255,255,255,.035) 1px) 0 0 / 8.333% 100%,
    var(--ink);
}

.hero::before {
  position: absolute;
  top: 180px;
  right: -9vw;
  width: 42vw;
  height: 42vw;
  border: 1px solid rgba(227, 161, 95, .22);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 64px repeat(11, minmax(0, 1fr));
  column-gap: 18px;
}

.hero-scale {
  grid-column: 1;
  grid-row: 1 / span 2;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 18px;
  border-right: 1px solid var(--line-dark);
  color: var(--muted-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
}

.hero-scale i { width: 12px; height: 1px; background: #706b66; }
.hero-scale i:nth-of-type(3) { width: 30px; background: var(--peach); }
.hero-scale b { color: var(--peach-bright); font-weight: 700; }

.hero-copy {
  grid-column: 2 / span 7;
  padding: 0 42px 72px 30px;
}

.eyebrow {
  color: var(--peach-bright);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.eyebrow.dark { color: #9b572b; }

.hero h1 {
  max-width: 940px;
  margin-top: 26px;
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(48px, 6.2vw, 104px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.035em;
}

.hero-lead {
  max-width: 760px;
  margin-top: 36px;
  color: var(--peach-bright);
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 30px);
  line-height: 1.55;
}

.hero-summary {
  max-width: 760px;
  margin-top: 24px;
  color: #b8b4af;
  font-size: 16px;
  line-height: 1.95;
}

.hero-note {
  grid-column: 9 / -1;
  align-self: end;
  margin: 0 0 72px;
  padding: 28px 28px 26px;
  border-top: 1px solid var(--peach);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, .025);
}

.hero-note span {
  color: var(--peach-bright);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .2em;
}

.hero-note p {
  margin-top: 18px;
  color: #dedbd7;
  font-size: 15px;
  line-height: 1.9;
}

.hero-image {
  grid-column: 2 / -1;
  position: relative;
  height: clamp(300px, 38vw, 570px);
  overflow: hidden;
  background: var(--graphite);
}

.hero-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22,19,17,.56), transparent 42%, rgba(36,79,195,.12));
  content: "";
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 52%;
  filter: saturate(.82) contrast(1.05) brightness(.8);
}

.hero-rail {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.hero-rail span {
  padding: 22px 24px;
  border-right: 1px solid var(--line-dark);
  color: #b8b4af;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.hero-rail span:last-child { border-right: 0; }

.panel-light { background: var(--paper); color: var(--ink); }

.positioning { padding: 118px 0 124px; }

.positioning-grid {
  display: grid;
  grid-template-columns: 80px 1.05fr 2fr;
  gap: 48px;
  align-items: start;
}

.section-index {
  color: var(--cobalt);
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1;
}

.section-heading h2,
.section-header h2,
.updates-heading h2,
.faq-intro h2,
.disclosure-intro h2 {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(36px, 4.3vw, 68px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -.025em;
}

.position-copy { padding-top: 3px; }

.large-copy {
  max-width: 830px;
  color: #262220;
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.58;
}

.position-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line-light);
}

.position-columns p { color: var(--muted-light); font-size: 15px; }

.channels { padding: 118px 0 124px; background: var(--graphite); }

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 64px;
}

.section-header > p { color: var(--muted-light); font-size: 15px; }
.section-header.inverted > p { color: #aaa59f; }

.channel-stack { border-top: 1px solid var(--line-dark); }

.channel-row {
  display: grid;
  grid-template-columns: 80px 1fr minmax(190px, 280px);
  gap: 34px;
  align-items: center;
  min-height: 150px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color .2s ease, padding .2s ease;
}

.channel-row:hover { padding-right: 22px; padding-left: 22px; background: rgba(255,255,255,.035); }

.channel-no {
  align-self: start;
  padding-top: 7px;
  color: var(--peach-bright);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
}

.channel-row h3 {
  color: #fff;
  font-family: var(--serif);
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 500;
  line-height: 1.3;
}

.channel-row p {
  max-width: 820px;
  margin-top: 10px;
  color: #aaa59f;
  font-size: 14px;
}

.channel-tag {
  justify-self: end;
  color: #d8d4ce;
  font-size: 12px;
  letter-spacing: .05em;
}

.features { padding: 118px 0 126px; }

.feature-board {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  grid-template-rows: minmax(260px, auto) minmax(280px, auto);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.feature-board > * {
  padding: 38px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.feature-primary { grid-row: 1 / span 2; }

.feature-label {
  color: #9b572b;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .2em;
}

.feature-primary h3 {
  max-width: 620px;
  margin-top: 90px;
  font-family: var(--serif);
  font-size: clamp(34px, 3.7vw, 60px);
  font-weight: 500;
  line-height: 1.2;
}

.feature-primary > p:not(.feature-label) {
  max-width: 640px;
  margin-top: 30px;
  color: var(--muted-light);
}

.keyword-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 46px;
}

.keyword-line span {
  padding: 7px 12px;
  border: 1px solid var(--line-light);
  color: #55504c;
  font-size: 11px;
}

.feature-secondary h3,
.attention-board h3 {
  margin-top: 26px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.35;
}

.feature-secondary p:last-child { margin-top: 22px; color: rgba(255,255,255,.72); font-size: 14px; }
.feature-secondary .feature-label { color: rgba(255,255,255,.66); }
.feature-secondary.cobalt { background: var(--cobalt); color: #fff; }
.feature-secondary.peach { background: var(--peach); color: var(--ink); }
.feature-secondary.peach p:last-child { color: rgba(22,19,17,.72); }
.feature-secondary.peach .feature-label { color: rgba(22,19,17,.62); }

.attention-board { grid-column: 2 / -1; background: #efeee9; }

.attention-board ul { margin-top: 26px; border-top: 1px solid var(--line-light); }

.attention-board li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-light);
  color: #393532;
  font-size: 14px;
}

.attention-board li span { color: var(--cobalt); font-size: 11px; font-weight: 800; }

.updates { padding: 120px 0; background: var(--cobalt); }

.updates-layout {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1.6fr);
  gap: 90px;
}

.updates-heading { position: sticky; top: calc(var(--header-h) + 40px); align-self: start; }
.updates-heading h2 { color: #fff; }
.updates-heading > p:last-child { max-width: 430px; margin-top: 28px; color: rgba(255,255,255,.7); }
.updates .eyebrow { color: #ffd39f; }

.updates-list { border-top: 1px solid rgba(255,255,255,.28); }

.updates-list article {
  display: grid;
  grid-template-columns: 118px 1fr auto;
  gap: 30px;
  padding: 34px 0;
  border-bottom: 1px solid rgba(255,255,255,.28);
}

.updates-list time { color: #ffd39f; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.updates-list h3 { color: #fff; font-family: var(--serif); font-size: 25px; font-weight: 500; }
.updates-list p { margin-top: 10px; color: rgba(255,255,255,.69); font-size: 14px; }
.updates-list article > span { align-self: start; padding: 4px 9px; border: 1px solid rgba(255,255,255,.35); color: #fff; font-size: 10px; letter-spacing: .12em; }

.viewing { padding: 120px 0 126px; }

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.support-grid article {
  min-height: 350px;
  padding: 32px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.support-grid article:nth-child(even) { background: #efeee9; }
.support-grid span { color: var(--cobalt); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.support-grid h3 { margin-top: 80px; font-family: var(--serif); font-size: 28px; font-weight: 500; line-height: 1.35; }
.support-grid p { margin-top: 20px; color: var(--muted-light); font-size: 14px; }

.faq-block {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1.5fr);
  gap: 80px;
  margin-top: 118px;
  padding-top: 64px;
  border-top: 1px solid var(--line-light);
}

.faq-intro h2 { font-size: clamp(34px, 3.8vw, 56px); }
.faq-intro > p:last-child { margin-top: 24px; color: var(--muted-light); }
.faq-list { border-top: 1px solid var(--line-light); }

.faq-list details { border-bottom: 1px solid var(--line-light); }

.faq-list summary {
  position: relative;
  cursor: pointer;
  padding: 24px 52px 24px 0;
  color: #292522;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  color: var(--cobalt);
  content: "+";
  font-family: var(--sans);
  font-size: 28px;
  font-weight: 300;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 820px; padding: 0 56px 26px 0; color: var(--muted-light); font-size: 14px; }

.disclosure { padding: 120px 0; background: var(--graphite); }

.disclosure-grid {
  display: grid;
  grid-template-columns: .9fr 1.2fr;
  gap: 90px;
}

.disclosure-intro h2 { color: #fff; }
.disclosure-intro > p:last-child { max-width: 580px; margin-top: 28px; color: #aaa59f; }

.identity-list { border-top: 1px solid var(--line-dark); }

.identity-list > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
}

.identity-list dt { color: var(--peach-bright); font-size: 12px; font-weight: 750; }
.identity-list dd { color: #f1efeb; font-family: var(--serif); font-size: 21px; }

.source-policy {
  grid-column: 2;
  display: grid;
  grid-template-columns: 1fr;
  margin-top: -30px;
}

.source-policy article { padding: 28px 0 0; }
.source-policy h3 { color: #fff; font-family: var(--serif); font-size: 22px; font-weight: 500; }
.source-policy p { margin-top: 12px; color: #9d9892; font-size: 14px; }

.site-footer { padding: 42px 0 54px; border-top: 1px solid var(--line-dark); background: var(--ink); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr;
  gap: 36px;
  align-items: end;
}

.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; }
.footer-brand strong { display: block; font-family: var(--serif); font-size: 22px; font-weight: 500; }
.footer-brand span { display: block; margin-top: 4px; color: var(--peach-bright); font-size: 9px; letter-spacing: .12em; }
.footer-meta { color: #aaa59f; font-size: 12px; }
.footer-note { color: #8f8b86; font-size: 12px; text-align: right; }

@media (max-width: 1180px) {
  :root { --shell: min(100% - 48px, 1180px); }
  .primary-nav a { padding-inline: 13px; font-size: 13px; }
  .primary-nav a::after { right: 13px; left: 13px; }
  .hero-copy { grid-column: 2 / span 8; }
  .hero-note { grid-column: 10 / -1; padding-inline: 20px; }
  .positioning-grid { grid-template-columns: 64px .9fr 1.6fr; gap: 34px; }
  .feature-board { grid-template-columns: 1.15fr .85fr; grid-template-rows: auto; }
  .feature-primary { grid-row: 1 / span 2; }
  .feature-secondary.peach { grid-column: 2; }
  .attention-board { grid-column: 1 / -1; }
  .support-grid { grid-template-columns: repeat(2, 1fr); }
  .support-grid article { min-height: 290px; }
}

@media (max-width: 900px) {
  :root { --header-h: 72px; --shell: calc(100% - 36px); }
  .site-header { height: var(--header-h); }
  .brand-lockup img { width: 38px; height: 38px; }
  .brand-lockup strong { font-size: 20px; }
  .nav-toggle { display: block; }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] i:nth-of-type(3) { transform: translateY(-6px) rotate(-45deg); }
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow: auto;
    padding: 16px 18px 24px;
    background: #1d1a18;
    border-bottom: 1px solid var(--line-dark);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav a { display: flex; min-height: 52px; padding: 0 10px; border-bottom: 1px solid var(--line-dark); }
  .primary-nav a::after { right: auto; left: 10px; bottom: -1px; width: 56px; }
  .hero { padding-top: 52px; }
  .hero-grid { grid-template-columns: 44px repeat(7, 1fr); column-gap: 12px; }
  .hero-scale { min-height: 330px; }
  .hero-copy { grid-column: 2 / -1; padding: 0 8px 48px 20px; }
  .hero-note { grid-column: 2 / -1; margin: 0 0 44px 20px; }
  .hero-image, .hero-rail { grid-column: 1 / -1; }
  .hero-rail { grid-template-columns: repeat(2, 1fr); }
  .hero-rail span:nth-child(2) { border-right: 0; }
  .hero-rail span:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .positioning, .channels, .features, .updates, .viewing, .disclosure { padding-block: 86px; }
  .positioning-grid { grid-template-columns: 58px 1fr; }
  .position-copy { grid-column: 2; }
  .section-header, .updates-layout, .faq-block, .disclosure-grid { grid-template-columns: 1fr; gap: 42px; }
  .channel-row { grid-template-columns: 55px 1fr; }
  .channel-tag { grid-column: 2; justify-self: start; }
  .updates-heading { position: static; }
  .source-policy { grid-column: 1; margin-top: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-note { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 28px); }
  .hero { background: var(--ink); }
  .hero-grid { display: block; width: 100%; }
  .hero-scale { display: none; }
  .hero-copy { padding: 12px 20px 42px; }
  .hero h1 { font-size: clamp(42px, 13vw, 64px); }
  .hero-lead { margin-top: 26px; font-size: 21px; }
  .hero-summary { font-size: 14px; }
  .hero-note { margin: 0 20px 32px; }
  .hero-image { height: 250px; }
  .hero-rail { grid-template-columns: 1fr 1fr; }
  .hero-rail span { padding: 16px 15px; font-size: 10px; }
  .positioning-grid { grid-template-columns: 1fr; gap: 24px; }
  .section-index { font-size: 42px; }
  .position-copy { grid-column: 1; }
  .position-columns { grid-template-columns: 1fr; gap: 20px; }
  .section-header { gap: 22px; margin-bottom: 40px; }
  .section-heading h2, .section-header h2, .updates-heading h2, .faq-intro h2, .disclosure-intro h2 { font-size: 38px; }
  .channel-row { grid-template-columns: 38px 1fr; gap: 18px; min-height: 0; padding-block: 26px; }
  .channel-row:hover { padding-inline: 0; background: transparent; }
  .channel-row h3 { font-size: 25px; }
  .feature-board { display: block; }
  .feature-board > * { padding: 26px; }
  .feature-primary h3 { margin-top: 54px; font-size: 36px; }
  .updates-list article { grid-template-columns: 1fr; gap: 12px; }
  .updates-list article > span { justify-self: start; }
  .support-grid { grid-template-columns: 1fr; }
  .support-grid article { min-height: 0; }
  .support-grid h3 { margin-top: 48px; }
  .faq-block { margin-top: 82px; padding-top: 46px; }
  .faq-list summary { padding-right: 42px; font-size: 18px; }
  .identity-list > div { grid-template-columns: 1fr; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-note { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

@media print {
  .site-header, .nav-toggle { display: none; }
  body { background: #fff; color: #111; }
  .hero, .channels, .updates, .disclosure { background: #fff; color: #111; }
}