:root {
  --ink: #232427;
  --ink-deep: #191a1c;
  --paper: #f3f4f0;
  --paper-muted: #d9ddd8;
  --white: #ffffff;
  --mint: #5ce3a5;
  --mint-dark: #2c9b70;
  --orange: #ff6427;
  --blue: #3f61b5;
  --line-dark: rgba(255, 255, 255, 0.18);
  --line-light: rgba(35, 36, 39, 0.18);
  --container: min(1180px, calc(100% - 48px));
  --font-sans: "Plus Jakarta Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

section[id] {
  scroll-margin-top: 92px;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button {
  font: inherit;
}

.site-shell {
  min-width: 320px;
  overflow: hidden;
}

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

.skip-link {
  position: fixed;
  z-index: 50;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--mint);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.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;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(35, 36, 39, 0.96);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-name {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.045em;
}

.brand-name span {
  color: var(--mint);
}

.brand-mark {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 2px solid var(--mint);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  display: block;
  content: "";
}

.brand-mark::before {
  top: 5px;
  left: 5px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--orange);
}

.brand-mark::after {
  right: 4px;
  bottom: 4px;
  width: 7px;
  height: 2px;
  background: var(--blue);
  transform: rotate(-45deg);
}

.brand-mark span {
  right: 5px;
  top: 5px;
  width: 5px;
  height: 5px;
  background: var(--mint);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-inline: auto;
}

.nav-link,
.footer-links a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  background: var(--mint);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--white);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-action,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid transparent;
  font-size: 0.76rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.header-action {
  padding: 0 18px;
  background: var(--mint);
  color: var(--ink);
}

.header-action:hover,
.header-action:focus-visible,
.button-primary:hover,
.button-primary:focus-visible {
  background: var(--white);
  color: var(--ink);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.section-dark {
  background: var(--ink);
}

.hero {
  min-height: 680px;
  padding: 90px 0 112px;
}

.hero-grid {
  display: grid;
  min-height: 560px;
  align-items: center;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 64px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow-dot,
.live-state span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(92, 227, 165, 0.14);
}

.hero h1 {
  max-width: 8ch;
  margin: 0;
  font-size: clamp(5rem, 13vw, 11.5rem);
  font-weight: 800;
  letter-spacing: -0.11em;
  line-height: 0.8;
  text-wrap: balance;
}

.accent-dot {
  color: var(--orange);
}

.hero-lead {
  max-width: 13ch;
  margin: 42px 0 18px;
  color: var(--white);
  font-size: clamp(2rem, 4.2vw, 4.35rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.hero-lead strong {
  color: var(--mint);
  font-weight: 800;
}

.hero-description {
  max-width: 54ch;
  margin: 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 1rem;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  padding: 0 20px;
}

.button-primary {
  background: var(--mint);
  color: var(--ink);
}

.button-quiet {
  border-color: var(--line-dark);
  color: rgba(255, 255, 255, 0.8);
}

.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: var(--mint);
  color: var(--mint);
}

.hero-footnote {
  display: flex;
  max-width: 48ch;
  align-items: center;
  gap: 14px;
  margin: 44px 0 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.7rem;
}

.hero-footnote span,
.feature-number,
.flow-index {
  color: var(--orange);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
  min-height: 470px;
  align-self: center;
}

.visual-frame {
  position: absolute;
  z-index: 2;
  top: 58px;
  right: 0;
  width: min(100%, 390px);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: var(--ink-deep);
  box-shadow: 10px 10px 0 var(--blue);
}

.visual-topline,
.board-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.live-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--mint);
  letter-spacing: 0;
  text-transform: lowercase;
}

.live-state span {
  width: 5px;
  height: 5px;
  box-shadow: none;
}

.record-heading {
  display: grid;
  gap: 8px;
  margin-top: 42px;
}

.record-label,
.visual-marker {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.record-heading strong {
  font-size: 1.2rem;
  letter-spacing: -0.04em;
}

.record-time {
  margin-top: 22px;
  color: var(--mint);
  font-size: clamp(3rem, 6vw, 4.7rem);
  font-weight: 800;
  letter-spacing: -0.1em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.record-time span {
  color: var(--orange);
}

.record-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.record-meta div {
  display: grid;
  gap: 3px;
}

.record-meta span {
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.record-meta strong {
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
}

.record-trace {
  display: flex;
  height: 20px;
  align-items: center;
  margin-top: 28px;
}

.trace-point {
  display: block;
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border: 2px solid var(--paper-muted);
  background: var(--ink-deep);
}

.trace-point.is-first {
  border-color: var(--orange);
  background: var(--orange);
}

.trace-point.is-current {
  width: 13px;
  height: 13px;
  border-color: var(--mint);
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(92, 227, 165, 0.12);
}

.trace-line {
  width: 35%;
  height: 1px;
  background: var(--paper-muted);
}

.trace-line-short {
  width: 23%;
  background: var(--mint);
}

.record-caption {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
}

.visual-marker {
  position: absolute;
  z-index: 3;
  writing-mode: vertical-rl;
}

.marker-top {
  top: 42px;
  left: 0;
  color: var(--mint);
}

.marker-bottom {
  right: 0;
  bottom: 22px;
  color: var(--orange);
}

.visual-accent {
  position: absolute;
  display: block;
  width: 78px;
  height: 78px;
  border: 2px solid;
}

.accent-orange {
  right: 15%;
  bottom: 0;
  border-color: var(--orange);
  transform: rotate(16deg);
}

.accent-blue {
  top: 2px;
  right: 12%;
  width: 35px;
  height: 35px;
  border-color: var(--blue);
  transform: rotate(45deg);
}

.signal-strip {
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: var(--ink-deep);
}

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

.signal-grid p {
  min-height: 92px;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 16px 24px;
  border-right: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
}

.signal-grid p:first-child {
  border-left: 1px solid var(--line-dark);
}

.signal-grid span {
  color: var(--mint);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.section {
  padding: 126px 0;
}

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

.section-heading {
  display: grid;
  max-width: 660px;
  grid-template-columns: 1fr;
}

.eyebrow-dark {
  color: var(--mint-dark);
}

.section-heading h2,
.security-copy h2,
.flow-intro h2,
.closing h2 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 6.2rem);
  font-weight: 800;
  letter-spacing: -0.095em;
  line-height: 0.94;
  text-wrap: balance;
}

.section-heading h2 span,
.security-copy h2 span,
.closing h2 span {
  color: var(--mint-dark);
}

.section-heading > p:last-child {
  max-width: 54ch;
  margin: 30px 0 0;
  color: rgba(35, 36, 39, 0.65);
}

.feature-list {
  margin-top: 92px;
  border-top: 1px solid var(--line-light);
}

.feature-item {
  display: grid;
  grid-template-columns: 90px 1fr 44px;
  gap: 24px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line-light);
}

.feature-number {
  color: var(--orange);
}

.feature-item h3,
.flow-item h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  letter-spacing: -0.045em;
}

.feature-item p,
.flow-item p {
  max-width: 60ch;
  margin: 9px 0 0;
  color: rgba(35, 36, 39, 0.62);
  font-size: 0.92rem;
}

.feature-arrow {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line-light);
  color: var(--mint-dark);
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.feature-item:hover .feature-arrow {
  border-color: var(--mint-dark);
  background: var(--mint-dark);
  color: var(--white);
}

.section-blue {
  background: var(--blue);
  color: var(--white);
}

.flow-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 96px;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.68);
}

.flow-intro h2 {
  max-width: 8ch;
}

.flow-intro > p:last-child {
  max-width: 38ch;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  padding: 0 0 30px;
  margin: 0 0 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.27);
}

.flow-item:last-child {
  margin-bottom: 0;
}

.flow-index {
  color: var(--mint);
}

.flow-item p {
  color: rgba(255, 255, 255, 0.68);
}

.security-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: 96px;
  align-items: center;
}

.security-copy > p:not(.eyebrow) {
  max-width: 55ch;
  margin: 30px 0 0;
  color: rgba(35, 36, 39, 0.65);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--mint-dark);
}

.security-board {
  padding: 24px;
  border: 1px solid var(--ink);
  background: var(--ink);
  box-shadow: 10px 10px 0 var(--orange);
  color: var(--white);
}

.board-top {
  border-color: var(--line-dark);
}

.board-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 0.82rem;
}

.board-row > span {
  color: rgba(255, 255, 255, 0.67);
}

.board-row strong {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
}

.state-green {
  color: var(--mint);
}

.state-orange {
  color: var(--orange);
}

.state-blue {
  color: #83a2ff;
}

.board-note {
  margin-top: 24px;
  color: var(--mint);
  font-size: 0.8rem;
  font-weight: 700;
}

.closing {
  padding: 146px 0 156px;
  border-top: 1px solid var(--line-dark);
}

.closing-inner {
  max-width: 840px;
}

.closing h2 {
  max-width: 10ch;
}

.closing h2 span {
  color: var(--orange);
}

.closing-inner > p:not(.eyebrow) {
  max-width: 50ch;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.65);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 18px 40px;
  align-items: center;
  padding: 34px 0;
}

.brand-footer {
  grid-row: span 2;
}

.footer-grid > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.72rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
}

.footer-links a {
  font-size: 0.7rem;
}

.copyright {
  grid-column: 2 / -1;
  color: rgba(255, 255, 255, 0.35) !important;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  :root {
    --container: min(100% - 36px, 680px);
  }

  .header-inner {
    position: relative;
    min-height: 72px;
    gap: 16px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 8px 18px 18px;
    border-bottom: 1px solid var(--line-dark);
    background: var(--ink);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-link {
    padding: 13px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .nav-link::after {
    display: none;
  }

  .header-action {
    display: none;
  }

  .hero {
    padding: 76px 0 88px;
  }

  .hero-grid,
  .flow-layout,
  .security-grid {
    grid-template-columns: 1fr;
    gap: 72px;
  }

  .hero-grid {
    min-height: 0;
  }

  .hero-visual {
    min-height: 410px;
    width: min(100%, 470px);
    margin-inline: auto;
  }

  .visual-frame {
    left: 24px;
    width: calc(100% - 48px);
  }

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

  .signal-grid p,
  .signal-grid p:first-child {
    min-height: 64px;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .signal-grid p:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 88px 0;
  }

  .security-grid {
    gap: 52px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .brand-footer {
    grid-row: auto;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .copyright {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  :root {
    --container: calc(100% - 32px);
  }

  .hero h1 {
    font-size: clamp(4.6rem, 22vw, 7.5rem);
  }

  .hero-lead {
    font-size: clamp(2.2rem, 11vw, 3.6rem);
  }

  .hero-actions,
  .closing-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-footnote {
    align-items: flex-start;
  }

  .hero-visual {
    min-height: 370px;
  }

  .visual-frame {
    top: 48px;
    left: 12px;
    width: calc(100% - 24px);
    padding: 16px;
    box-shadow: 7px 7px 0 var(--blue);
  }

  .marker-top {
    left: -4px;
  }

  .marker-bottom {
    right: -4px;
  }

  .record-meta {
    gap: 6px;
  }

  .record-meta strong {
    font-size: 0.57rem;
  }

  .feature-item {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .feature-arrow {
    display: none;
  }

  .flow-item {
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }

  .board-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}