:root {
  color-scheme: light;
  --ink: #0c1728;
  --ink-soft: #314157;
  --muted: #5d6b7e;
  --paper: #f4f5f0;
  --card: #ffffff;
  --navy: #151581;
  --navy-deep: #0d123b;
  --blue: #343bd5;
  --lime: #eef27a;
  --coral: #ee765d;
  --line: #d5dce1;
  --line-dark: rgba(255, 255, 255, 0.18);
  --shadow: 0 28px 65px rgba(12, 23, 40, 0.15);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); overflow-x: hidden; }
a { color: inherit; }
.frame { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 12px; padding: 10px 14px; color: white; background: var(--navy); transform: translateY(-150%); transition: transform 160ms ease; }
.skip-link:focus { transform: translateY(0); }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; text-decoration: none; font-size: 0.92rem; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark { width: 34px; height: 34px; color: var(--navy); }
.brand-name span { color: var(--muted); font-weight: 500; }
.main-nav { display: flex; gap: 34px; font-size: 0.8rem; font-weight: 700; }
.main-nav a { text-decoration: none; }
.main-nav a:hover { color: var(--blue); }
.channel-label { display: flex; align-items: center; justify-self: end; gap: 8px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; }
.channel-dot, .release-badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }

.hero { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr); gap: clamp(40px, 8vw, 112px); align-items: center; padding-top: clamp(78px, 11vw, 140px); padding-bottom: clamp(80px, 12vw, 150px); }
.eyebrow, .section-label, .kicker, .feature-index { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.13em; line-height: 1.4; text-transform: uppercase; }
.eyebrow-number { color: var(--coral); }
.eyebrow-rule, .section-label-rule { width: 42px; height: 1px; background: currentColor; opacity: 0.42; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 640px; margin-bottom: 28px; font-size: clamp(3.8rem, 8.2vw, 7.5rem); font-weight: 750; letter-spacing: -0.105em; line-height: 0.88; }
h1 span, h2 span { color: var(--blue); }
.hero-lede { max-width: 510px; margin-bottom: 34px; color: var(--ink-soft); font-size: clamp(1rem, 1.6vw, 1.18rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 14px; border: 1px solid transparent; border-radius: 3px; padding: 0 18px; font-size: 0.83rem; font-weight: 800; text-decoration: none; transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease; }
.button svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--navy); box-shadow: 0 8px 18px rgba(21, 21, 129, 0.18); }
.button-primary:hover, .button-primary:focus-visible { background: var(--blue); }
.text-link { padding: 12px 0; color: var(--ink); font-size: 0.84rem; font-weight: 800; text-underline-offset: 5px; }
.text-link span { color: var(--coral); margin-left: 4px; }
.button:focus-visible, .text-link:focus-visible, .main-nav a:focus-visible, .brand:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
.hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 540px; margin-top: 66px; padding-top: 17px; border-top: 1px solid var(--line); }
.hero-proof div { display: grid; gap: 5px; padding-right: 14px; }
.hero-proof strong { font-size: 0.78rem; }
.hero-proof span { color: var(--muted); font-size: 0.68rem; line-height: 1.4; }

.instrument { position: relative; padding: 24px 26px 20px; color: white; background: var(--navy-deep); box-shadow: var(--shadow); transform: rotate(1.3deg); }
.instrument::before { position: absolute; top: 17px; right: 17px; width: 34px; height: 34px; border-top: 1px solid var(--lime); border-right: 1px solid var(--lime); content: ""; opacity: 0.8; }
.instrument-top, .instrument-readout { display: flex; justify-content: space-between; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.64rem; letter-spacing: 0.13em; text-transform: uppercase; }
.instrument-top { color: #aeb9e1; }
.trace { display: block; width: 100%; margin: 22px 0 19px; overflow: visible; }
.trace-grid { fill: none; stroke: rgba(201, 215, 255, 0.15); stroke-width: 1; }
.trace-axis { fill: none; stroke: rgba(201, 215, 255, 0.43); stroke-width: 1; }
.trace-path { fill: none; stroke: var(--lime); stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; }
.trace-point { fill: var(--navy-deep); stroke: var(--lime); stroke-width: 2; }
.trace-point-active { fill: var(--coral); stroke: white; stroke-width: 3; }
.trace text { fill: #aeb9e1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; letter-spacing: 1px; }
.instrument-readout { gap: 18px; color: #aeb9e1; }
.instrument-readout > div { display: grid; gap: 5px; }
.instrument-readout strong { color: white; font-size: 0.66rem; letter-spacing: 0.08em; }
.readout-status { display: inline-flex; align-items: center; gap: 7px; }
.readout-status i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }

.release-section { color: white; background: var(--navy); }
.release-section .section-label { padding-top: 28px; color: var(--lime); }
.release-layout { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(390px, 1.15fr); gap: clamp(40px, 11vw, 160px); align-items: center; padding: 84px 0 106px; }
.release-intro .kicker { color: var(--lime); }
.release-intro h2 { margin: 19px 0 24px; font-size: clamp(3.2rem, 6vw, 5.9rem); font-weight: 700; letter-spacing: -0.09em; line-height: 0.88; }
.release-intro h2 span { color: var(--lime); }
.release-intro > p:last-child { max-width: 410px; margin: 0; color: #d9def2; font-size: 0.98rem; line-height: 1.7; }
.release-card { padding: 27px; color: var(--ink); background: var(--card); box-shadow: 16px 17px 0 rgba(238, 242, 122, 0.96); }
.release-card-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.release-badge { display: inline-flex; align-items: center; gap: 8px; color: #0d7774; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.64rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.release-date { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.62rem; }
.release-card-title { margin: 25px 0 21px; font-size: 1.75rem; font-weight: 750; letter-spacing: -0.06em; }
.release-specs { margin: 0; border-top: 1px solid var(--line); }
.release-specs div { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.release-specs dt { color: var(--muted); font-size: 0.76rem; }
.release-specs dd { margin: 0; font-size: 0.78rem; font-weight: 750; text-align: right; }
code { padding: 3px 5px; color: var(--navy); background: #e9ebfb; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.78em; }
.release-card-note { display: flex; gap: 10px; align-items: flex-start; margin: 22px 0; color: var(--muted); font-size: 0.76rem; line-height: 1.5; }
.release-card-note svg { flex: 0 0 20px; width: 20px; height: 20px; fill: none; stroke: var(--navy); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.button-pending { width: 100%; justify-content: space-between; color: #697387; background: #edf0f2; cursor: not-allowed; }
.button-pending:hover { transform: none; }
.button-meta { color: var(--coral); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.61rem; letter-spacing: 0.05em; text-transform: uppercase; }

.about-section { padding-top: 106px; padding-bottom: 122px; }
.about-section .section-label { color: var(--blue); }
.about-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr); gap: 50px; align-items: end; padding: 75px 0 57px; }
.about-heading h2, .verification-layout h2 { margin: 0; font-size: clamp(2.7rem, 5.1vw, 5.3rem); font-weight: 700; letter-spacing: -0.095em; line-height: 0.93; }
.about-heading p { max-width: 370px; margin: 0 0 4px; color: var(--muted); font-size: 0.97rem; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature { min-height: 284px; padding: 26px 26px 30px 0; border-right: 1px solid var(--line); }
.feature + .feature { padding-left: 27px; }
.feature:last-child { border-right: 0; }
.feature-index { color: var(--coral); }
.feature-icon { display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; margin: 46px 0 20px; color: var(--navy); background: var(--lime); }
.feature-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.4; }
.feature h3 { margin-bottom: 11px; font-size: 1.18rem; letter-spacing: -0.04em; }
.feature p { max-width: 265px; margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.65; }
.feature-highlight { background: var(--lime); margin: -1px 0; padding-left: 26px; border: 0; }
.feature-highlight .feature-index { color: var(--navy); }
.feature-highlight .feature-icon { color: var(--lime); background: var(--navy); }
.feature-highlight p { color: var(--ink-soft); }

.verification-section { padding: 93px 0 101px; color: white; background: var(--ink); }
.verification-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(330px, 0.8fr); gap: clamp(55px, 13vw, 180px); align-items: end; }
.verification-layout .section-label { color: var(--lime); }
.verification-layout h2 { margin: 54px 0 26px; }
.verification-layout h2 span { color: var(--lime); }
.verification-layout > div > p:last-child { max-width: 420px; margin: 0; color: #bbc5d5; font-size: 0.96rem; line-height: 1.7; }
.verification-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.verification-list li { display: grid; grid-template-columns: 45px 1fr; gap: 18px; padding: 23px 0 21px; border-bottom: 1px solid var(--line-dark); }
.verification-list li > span { color: var(--lime); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.65rem; font-weight: 800; }
.verification-list strong { font-size: 0.9rem; }
.verification-list p { margin: 7px 0 0; color: #aeb9c9; font-size: 0.78rem; line-height: 1.5; }

.site-footer { background: var(--paper); border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1fr 1.5fr auto; gap: 40px; align-items: center; min-height: 94px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; font-weight: 800; }
.footer-mark { display: grid; width: 25px; height: 25px; place-items: center; color: white; background: var(--navy); border-radius: 50%; font-family: Georgia, serif; font-size: 1rem; }
.footer-inner p { max-width: 430px; margin: 0; color: var(--muted); font-size: 0.7rem; line-height: 1.5; }
.footer-code { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.61rem; letter-spacing: 0.08em; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 70px; }
  .hero-copy { max-width: 730px; }
  .instrument { width: min(100%, 600px); justify-self: center; }
  .release-layout, .verification-layout { grid-template-columns: 1fr; gap: 58px; }
  .release-card { width: min(100%, 560px); }
  .about-heading { grid-template-columns: 1fr; gap: 25px; }
  .about-heading p { max-width: 480px; }
}

@media (max-width: 640px) {
  .frame { width: min(100% - 36px, 520px); }
  .header-inner { grid-template-columns: 1fr auto; min-height: 70px; }
  .main-nav { display: none; }
  .channel-label { font-size: 0.56rem; }
  .brand-name { font-size: 0.85rem; }
  .hero { gap: 53px; padding-top: 65px; padding-bottom: 80px; }
  h1 { font-size: clamp(3.6rem, 17vw, 5.6rem); }
  .eyebrow { flex-wrap: wrap; row-gap: 6px; }
  .eyebrow-rule { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 11px; }
  .hero-proof { margin-top: 49px; }
  .hero-proof div { padding-right: 9px; }
  .hero-proof span { font-size: 0.62rem; }
  .instrument { padding: 19px 17px 16px; transform: none; }
  .trace { margin: 19px 0 16px; }
  .instrument-readout { gap: 8px; font-size: 0.56rem; }
  .instrument-readout strong { font-size: 0.58rem; }
  .release-section .section-label, .about-section .section-label, .verification-layout .section-label { font-size: 0.6rem; }
  .release-layout { padding: 66px 0 84px; }
  .release-intro h2 { font-size: 4rem; }
  .release-card { padding: 20px; box-shadow: 9px 10px 0 rgba(238, 242, 122, 0.96); }
  .release-card-top { align-items: flex-start; flex-direction: column; gap: 9px; }
  .release-specs div { align-items: flex-start; flex-direction: column; gap: 6px; }
  .release-specs dd { text-align: left; }
  .about-section { padding-top: 79px; padding-bottom: 89px; }
  .about-heading { padding: 58px 0 44px; }
  .about-heading h2, .verification-layout h2 { font-size: 3.2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature, .feature + .feature { min-height: auto; padding: 25px 0 32px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature:last-child { border-bottom: 0; }
  .feature-highlight { margin: 0; padding: 25px 20px 32px; }
  .feature-icon { margin-top: 34px; }
  .verification-section { padding: 76px 0 82px; }
  .verification-layout { gap: 54px; }
  .verification-layout h2 { margin-top: 44px; }
  .footer-inner { grid-template-columns: 1fr; gap: 13px; padding: 22px 0; }
  .footer-code { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .instrument { transform: none; }
}