:root {
  color-scheme: dark;
  --bg: #050707;
  --bg-soft: #080b0b;
  --surface: #0b0f0f;
  --surface-raised: #101515;
  --text: #f2f1ec;
  --text-soft: #d6d6d0;
  --muted: #9b9f9c;
  --accent: #00d6a3;
  --accent-strong: #00b991;
  --accent-soft: rgba(0, 214, 163, 0.12);
  --line: rgba(217, 233, 228, 0.17);
  --line-strong: rgba(217, 233, 228, 0.31);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1600px;
  --gutter: clamp(24px, 4.2vw, 72px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  color: #04100d;
  background: var(--accent);
  border-radius: 8px;
  font-weight: 800;
}

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

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100%, var(--max));
  min-height: 104px;
  margin: 0 auto;
  padding: 18px var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #04100d;
  background: var(--accent);
  border-radius: 10px;
}

.brand-mark svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(30px, 4vw, 64px);
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 700;
}

.main-nav a,
.footer-links a {
  transition: color 180ms ease;
}

.main-nav a:hover,
.footer-links a:hover {
  color: var(--accent);
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 9px;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  font-size: 14px;
  font-weight: 800;
  transition: border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.header-action:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.header-action svg,
.button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.hero,
.section,
.site-footer {
  position: relative;
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.hero {
  display: grid;
  grid-template-columns: minmax(540px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(46px, 4.5vw, 74px);
  align-items: center;
  min-height: clamp(660px, 68vh, 760px);
  padding-top: 20px;
  padding-bottom: 100px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  max-width: 590px;
  animation: hero-rise 700ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero h1,
.section h2,
.get-started h2 {
  margin: 0;
  color: var(--text);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.06;
}

.hero h1 {
  font-size: clamp(52px, 3.75vw, 64px);
}

.hero-lede {
  max-width: 590px;
  margin: 34px 0 0;
  color: var(--text-soft);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.8;
}

.hero-actions,
.get-started-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 850;
  letter-spacing: -0.01em;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button--primary {
  color: #03100c;
  background: var(--accent);
  box-shadow: 0 14px 34px rgba(0, 214, 163, 0.16);
}

.button--primary:hover {
  background: #18e1b2;
  box-shadow: 0 18px 38px rgba(0, 214, 163, 0.24);
}

.button--secondary {
  color: var(--accent);
  background: transparent;
  border-color: var(--accent-strong);
}

.button--secondary:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.button--large {
  min-height: 70px;
  padding-inline: 38px;
  font-size: 19px;
}

.button--large svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button--large:first-child svg {
  fill: currentColor;
  stroke: none;
}

.hero-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.01em;
}

.hero-media {
  position: relative;
  z-index: 1;
  animation: hero-rise 760ms 100ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.media-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  height: auto;
}

.media-frame--dark {
  border-color: rgba(0, 214, 163, 0.24);
  border-radius: 14px;
}

.crop-mark {
  position: absolute;
  top: 44px;
  width: 24px;
  height: 24px;
  pointer-events: none;
}

.crop-mark::before,
.crop-mark::after {
  position: absolute;
  content: "";
  background: var(--line-strong);
}

.crop-mark::before {
  width: 24px;
  height: 1px;
}

.crop-mark::after {
  width: 1px;
  height: 24px;
}

.crop-mark--left {
  left: var(--gutter);
}

.crop-mark--right {
  right: var(--gutter);
  transform: scaleX(-1);
}

.timeline {
  position: absolute;
  right: var(--gutter);
  left: var(--gutter);
  height: 58px;
  border-bottom: 1px solid rgba(0, 214, 163, 0.28);
  background-image: repeating-linear-gradient(90deg, transparent 0 39px, rgba(0, 214, 163, 0.2) 40px 41px);
  background-position: 0 36px;
  background-size: auto 18px;
  background-repeat: repeat-x;
}

.timeline--hero {
  bottom: 68px;
}

.timeline-playhead {
  position: absolute;
  top: 2px;
  left: 31%;
  width: 1px;
  height: 56px;
  background: var(--accent);
}

.timeline-playhead::before {
  position: absolute;
  top: -4px;
  left: -5px;
  width: 11px;
  height: 11px;
  content: "";
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.timeline-scissors {
  position: absolute;
  top: 52px;
  left: calc(31% - 11px);
  color: var(--accent);
}

.timeline-scissors svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section {
  padding-top: 150px;
  padding-bottom: 150px;
}

.section-heading {
  max-width: 920px;
  margin-bottom: 90px;
}

.section-heading h2,
.get-started h2 {
  font-size: clamp(44px, 4.9vw, 76px);
}

.section-heading p,
.get-started-copy > p {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 22px);
  line-height: 1.75;
}

.workflow {
  border-top: 1px solid var(--line);
}

.workflow-track {
  position: relative;
  display: grid;
  gap: 120px;
}

.workflow-track::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30px;
  width: 1px;
  content: "";
  background: linear-gradient(var(--accent), rgba(0, 214, 163, 0.08));
}

.workflow-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(48px, 7vw, 118px);
  align-items: center;
  padding-left: 72px;
}

.workflow-step::before {
  position: absolute;
  top: 50%;
  left: 21px;
  width: 17px;
  height: 17px;
  content: "";
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 5px rgba(0, 214, 163, 0.08);
}

.workflow-step--reverse .step-copy {
  grid-column: 2;
}

.workflow-step--reverse > :last-child {
  grid-row: 1;
  grid-column: 1;
}

.workflow-step--compact {
  min-height: 260px;
  border-bottom: 1px solid var(--line);
}

.step-number,
.rail-number {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.step-copy h3,
.capability-rail h3 {
  margin: 0;
  font-size: clamp(30px, 2.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.step-copy > p:last-child,
.capability-rail article > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.signal-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 100px;
  padding: 0 36px;
  border-block: 1px solid rgba(0, 214, 163, 0.22);
}

.signal-strip span {
  flex: 1;
  min-width: 8px;
  height: var(--h, 42%);
  background: var(--accent);
  opacity: 0.56;
}

.signal-strip span:nth-child(2) { --h: 74%; }
.signal-strip span:nth-child(3) { --h: 32%; }
.signal-strip span:nth-child(4) { --h: 92%; }
.signal-strip span:nth-child(5) { --h: 55%; }
.signal-strip span:nth-child(6) { --h: 78%; }
.signal-strip span:nth-child(7) { --h: 38%; }

.analysis-lines {
  display: grid;
  gap: 14px;
  align-content: center;
  min-height: 160px;
  padding: 28px 0;
}

.analysis-lines span {
  display: block;
  height: 2px;
  margin-left: auto;
  background: linear-gradient(90deg, transparent, rgba(0, 214, 163, 0.75));
}

.analysis-lines span:nth-child(1) { width: 84%; }
.analysis-lines span:nth-child(2) { width: 66%; }
.analysis-lines span:nth-child(3) { width: 92%; }
.analysis-lines span:nth-child(4) { width: 54%; }

.capabilities {
  max-width: none;
  width: 100%;
  padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  background: #060909;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timecode-line {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 72px;
  padding-bottom: 14px;
  color: rgba(0, 214, 163, 0.74);
  border-bottom: 1px solid rgba(0, 214, 163, 0.38);
  font-family: var(--font-mono);
  font-size: 12px;
}

.timecode-line span:last-child {
  justify-self: end;
}

.section-heading--wide {
  max-width: 1050px;
}

.capability-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 38px;
  margin-top: 92px;
}

.capability-rail::before {
  position: absolute;
  top: 49px;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--accent);
  opacity: 0.65;
}

.capability-rail article {
  position: relative;
  min-width: 0;
}

.rail-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 58px;
  height: 58px;
  margin: 0 0 34px;
  place-items: center;
  color: var(--text);
  border: 1px solid rgba(0, 214, 163, 0.62);
  background: var(--bg-soft);
}

.rail-icon::before,
.rail-icon::after {
  position: absolute;
  width: 10px;
  height: 10px;
  content: "";
  border-color: var(--accent);
  border-style: solid;
}

.rail-icon::before {
  top: -6px;
  left: -6px;
  border-width: 1px 0 0 1px;
}

.rail-icon::after {
  right: -6px;
  bottom: -6px;
  border-width: 0 1px 1px 0;
}

.rail-icon svg {
  width: 31px;
  height: 31px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability-rail h3 {
  font-size: clamp(25px, 2vw, 34px);
}

.capability-rail article > p:last-child {
  max-width: 270px;
  font-size: 15px;
}

.trust-band {
  display: grid;
  grid-template-columns: 0.72fr 1.18fr auto;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  margin-top: 132px;
  padding: 68px 0 20px;
  border-top: 1px solid var(--line-strong);
}

.trust-title {
  display: flex;
  align-items: center;
  gap: 30px;
  padding-right: 38px;
  border-right: 1px solid rgba(0, 214, 163, 0.54);
}

.trust-title svg {
  flex: 0 0 auto;
  width: 78px;
  height: 88px;
  fill: none;
  stroke: rgba(103, 228, 197, 0.78);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-title h3 {
  margin: 0;
  font-size: clamp(27px, 2.3vw, 38px);
  line-height: 1.28;
  letter-spacing: -0.04em;
}

.trust-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  display: flex;
  gap: 16px;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 760;
}

.trust-list li span {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--accent-strong);
  border-radius: 50%;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  align-self: end;
  padding-bottom: 8px;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  font-weight: 800;
  white-space: nowrap;
  transition: color 180ms ease, border-color 180ms ease;
}

.text-link:hover {
  color: var(--text);
  border-color: var(--text);
}

.get-started {
  width: min(100%, var(--max));
  padding-top: 156px;
  padding-bottom: 112px;
}

.get-started-copy {
  max-width: 1160px;
  margin: 0 auto;
  text-align: center;
}

.get-started-copy h2 {
  font-size: clamp(48px, 6.2vw, 92px);
}

.get-started-copy > p {
  margin-inline: auto;
}

.get-started-actions {
  justify-content: center;
  margin-top: 42px;
}

.source-block {
  max-width: 1240px;
  margin: 82px auto 0;
}

.source-block h3 {
  margin: 0 0 18px;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  font-size: clamp(25px, 2.3vw, 36px);
  letter-spacing: -0.03em;
}

.source-block ol {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 28px 38px 28px 76px;
  color: rgba(0, 214, 163, 0.72);
  border: 1px solid var(--line-strong);
  background: #060909;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.3vw, 18px);
  line-height: 1.7;
  overflow-x: auto;
}

.source-block code {
  color: #61e3c3;
  font-family: inherit;
  white-space: nowrap;
}

.requirements {
  margin: 20px 0 0;
  color: var(--text-soft);
  font-size: 15px;
}

.requirements::before {
  content: ">_";
  display: inline-grid;
  width: 38px;
  height: 30px;
  margin-right: 12px;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--accent-strong);
  font-family: var(--font-mono);
}

.timeline--footer {
  position: relative;
  right: auto;
  bottom: auto;
  left: auto;
  margin-top: 70px;
}

.timeline--footer .timeline-playhead {
  left: 50%;
}

.timecode {
  position: absolute;
  top: 57px;
  left: 50%;
  color: var(--accent);
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 12px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  align-items: center;
  min-height: 220px;
  border-top: 1px solid var(--line);
}

.footer-brand p {
  margin: 10px 0 0 50px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 700;
}

.footer-links a {
  padding: 4px 24px;
  border-right: 1px solid rgba(0, 214, 163, 0.56);
}

.footer-links a:last-child {
  padding-right: 0;
  border-right: 0;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1279px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: auto;
    padding-top: 76px;
    padding-bottom: 150px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-media {
    margin-top: 24px;
  }

  .hero h1 {
    font-size: clamp(46px, 5vw, 64px);
  }

  .trust-band {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .trust-band .text-link {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-width: 900px) {
  .site-header {
    min-height: 82px;
  }

  .header-action span {
    display: none;
  }

  .header-action {
    width: 44px;
    padding: 0;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 76px;
    padding-bottom: 150px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-media {
    margin-top: 24px;
  }

  .workflow-step,
  .workflow-step--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .workflow-step--reverse .step-copy,
  .workflow-step--reverse > :last-child {
    grid-row: auto;
    grid-column: auto;
  }

  .capability-rail {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 72px;
  }

  .capability-rail::before {
    display: none;
  }

  .rail-icon {
    margin-bottom: 24px;
  }

  .trust-band {
    grid-template-columns: 1fr;
  }

  .trust-title {
    max-width: 520px;
    padding: 0 0 34px;
    border-right: 0;
    border-bottom: 1px solid rgba(0, 214, 163, 0.54);
  }

  .trust-band .text-link {
    grid-column: auto;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 58px;
  }

  .footer-links a:first-child {
    padding-left: 0;
  }
}

@media (max-width: 620px) {
  :root {
    --gutter: 20px;
  }

  .site-header {
    padding-inline: var(--gutter);
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .hero {
    padding-top: 54px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 60px);
    line-height: 1.12;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-actions,
  .get-started-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .media-frame {
    border-radius: 11px;
  }

  .section {
    padding-top: 100px;
    padding-bottom: 100px;
  }

  .section-heading {
    margin-bottom: 62px;
  }

  .section-heading h2,
  .get-started h2 {
    font-size: 42px;
    letter-spacing: -0.05em;
  }

  .workflow-track {
    gap: 82px;
  }

  .workflow-track::before {
    left: 11px;
  }

  .workflow-step {
    padding-left: 40px;
  }

  .workflow-step::before {
    left: 3px;
  }

  .workflow-step--compact {
    min-height: 230px;
  }

  .signal-strip {
    padding-inline: 14px;
  }

  .capability-rail {
    grid-template-columns: 1fr;
  }

  .capability-rail article {
    padding-bottom: 44px;
    border-bottom: 1px solid var(--line);
  }

  .capability-rail article > p:last-child {
    max-width: 420px;
  }

  .trust-band {
    margin-top: 90px;
    padding-top: 48px;
  }

  .trust-title {
    gap: 20px;
  }

  .trust-title svg {
    width: 60px;
    height: 70px;
  }

  .trust-list li {
    align-items: flex-start;
    padding-block: 12px;
  }

  .get-started {
    padding-top: 112px;
  }

  .source-block ol {
    padding: 24px 24px 24px 55px;
  }

  .requirements {
    display: flex;
    align-items: center;
  }

  .site-footer {
    min-height: auto;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 14px 28px;
  }

  .footer-links a,
  .footer-links a:first-child,
  .footer-links a:last-child {
    padding: 0;
    border: 0;
  }
}

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

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