:root {
  --ink: #080a0f;
  --ink-2: #10141d;
  --panel: #151a24;
  --paper: #f1efe8;
  --paper-2: #e5e2d9;
  --white: #f8f9fb;
  --muted: #aeb6c4;
  --muted-dark: #596171;
  --accent: #7587ff;
  --accent-soft: #aeb8ff;
  --line: rgba(248, 249, 251, 0.13);
  --line-dark: rgba(8, 10, 15, 0.13);
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

.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;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--ink);
  background: var(--white);
  border-radius: 0.45rem;
  transform: translateY(-160%);
}

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 1rem;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 2rem), var(--max));
  min-height: 4rem;
  padding: 0.55rem 0.6rem 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(8, 10, 15, 0.72);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px) saturate(135%);
  transform: translateX(-50%);
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.scroll-progress {
  position: absolute;
  right: 0.9rem;
  bottom: -1px;
  left: 0.9rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), #b7c0ff);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
}

.site-header.is-scrolled {
  border-color: rgba(248, 249, 251, 0.18);
  background: rgba(8, 10, 15, 0.94);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: transparent;
  box-shadow: none;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(117, 135, 255, 0.24));
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.brand:hover .brand-mark img {
  transform: rotate(9deg) scale(1.06);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

.desktop-nav a,
.text-link {
  color: #c9ced7;
  font-size: 0.86rem;
  font-weight: 500;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.text-link:hover {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0) scale(0.985);
}

.button-small {
  min-height: 2.85rem;
  padding-inline: 1.15rem;
  font-size: 0.84rem;
}

.button-light {
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

.button-light:hover {
  background: #fff;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.32);
}

.button-ghost {
  color: var(--white);
  border-color: rgba(248, 249, 251, 0.24);
  background: rgba(248, 249, 251, 0.04);
}

.button-ghost:hover {
  border-color: rgba(248, 249, 251, 0.46);
  background: rgba(248, 249, 251, 0.08);
}

.button-plan {
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(8, 10, 15, 0.18);
}

.is-featured .button-plan {
  color: var(--ink);
  background: var(--white);
}

.menu-button,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100svh;
  padding: clamp(8.5rem, 16vh, 10.5rem) 1.25rem 1.5rem;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--ink);
  background-size: 72px 72px;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, var(--ink) 100%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  z-index: -2;
  top: 7%;
  left: 50%;
  width: min(72vw, 920px);
  aspect-ratio: 1.4;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(117, 135, 255, 0.2), transparent 68%);
  filter: blur(10px);
  transform: translateX(-50%);
}

.hero-copy {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 980px);
  text-align: center;
}

.eyebrow {
  margin: 0 0 1.1rem;
  color: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-dark {
  color: #4454c8;
}

.hero h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(3.5rem, 6.8vw, 6.4rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.91;
  text-wrap: balance;
}

.hero h1 span {
  color: #aeb8ff;
}

.hero-lede {
  max-width: 650px;
  margin: 1.4rem auto 0;
  color: #b9c0cc;
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.65;
  letter-spacing: -0.018em;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  width: min(92vw, 780px);
  height: clamp(300px, 39vh, 430px);
  margin-top: clamp(1rem, 2.6vh, 1.75rem);
  border: 1px solid var(--line);
  border-radius: 1.4rem 1.4rem 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 78%, rgba(117, 135, 255, 0.23), transparent 50%),
    linear-gradient(180deg, rgba(248, 249, 251, 0.025), rgba(248, 249, 251, 0.07));
  box-shadow: 0 35px 110px rgba(0, 0, 0, 0.5), inset 0 1px rgba(255, 255, 255, 0.06);
  transform: translate3d(var(--px, 0), var(--py, 0), 0);
  transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 49.9%, rgba(255, 255, 255, 0.05) 50%, transparent 50.1%);
  pointer-events: none;
}

.hero-visual img {
  position: absolute;
  z-index: 2;
  bottom: -1px;
  left: 50%;
  width: auto;
  max-width: none;
  height: 105%;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 26px 24px rgba(0, 0, 0, 0.34));
  transform: translateX(-50%);
}

.scroll-cue {
  position: absolute;
  z-index: 5;
  bottom: 1.1rem;
  left: 50%;
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 2.7rem;
  border: 1px solid rgba(248, 249, 251, 0.2);
  border-radius: 1rem;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 3px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent-soft);
  animation: scroll-cue 1.8s ease-in-out infinite;
}

.capability-rail {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: #0d1017;
  mask-image: linear-gradient(90deg, transparent, #000 3rem, #000 calc(100% - 3rem), transparent);
}

.rail-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  min-height: 5rem;
  color: #c5cad4;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  will-change: transform;
  animation: rail-loop 26s linear infinite;
}

.rail-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.rail-group i {
  width: 3px;
  height: 3px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
}

.section {
  padding: clamp(5.5rem, 10vw, 9rem) max(1.25rem, calc((100vw - var(--max)) / 2));
}

.platform,
.usage {
  color: var(--ink);
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  align-items: end;
  gap: 2rem;
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -0.5rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(2.7rem, 5.4vw, 5.2rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.96;
  text-wrap: balance;
}

.section-heading > p:last-child {
  max-width: 470px;
  margin: 0 0 0.35rem;
  color: var(--muted-dark);
  font-size: 1.05rem;
  line-height: 1.7;
}

.seo-paths {
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #0d1017;
  background-size: 64px 64px;
}

.seo-paths .section-heading > p:last-child { color: var(--muted); }

.seo-path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.seo-path-grid a {
  min-height: 260px;
  padding: 1.35rem;
  background: var(--ink);
  transition: color 180ms ease, background 180ms ease;
}

.seo-path-grid a:hover { color: var(--accent-soft); background: #111625; }
.seo-path-grid span { color: var(--accent-soft); font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; }
.seo-path-grid h3 { margin: 4rem 0 0.7rem; font-size: 1.35rem; letter-spacing: -0.04em; }
.seo-path-grid p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

.seo-path-all {
  display: inline-flex;
  gap: 0.6rem;
  margin-top: 1.5rem;
  color: #d9dde5;
  font-size: 0.82rem;
  font-weight: 600;
}

.seo-path-all span { color: var(--accent-soft); }

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  grid-template-rows: repeat(2, minmax(290px, auto));
  gap: 1rem;
}

.feature {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: 1rem;
  background: #e9e6de;
}

.feature::after,
.price-card::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(117, 135, 255, 0.13), transparent 62%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.feature:hover::after,
.price-card:hover::after {
  opacity: 1;
}

.feature > *,
.price-card > * {
  position: relative;
  z-index: 2;
}

.feature-primary {
  grid-row: 1 / 3;
  min-height: 620px;
  color: var(--white);
  background: var(--ink-2);
}

.feature-tertiary { background: #dcd8ce; }

.feature-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: currentColor;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  opacity: 0.62;
  text-transform: uppercase;
}

.feature-copy {
  position: relative;
  z-index: 3;
  margin-top: auto;
}

.feature h3 {
  max-width: 540px;
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1;
}

.feature p {
  max-width: 520px;
  margin: 0.9rem 0 0;
  color: var(--muted-dark);
  line-height: 1.65;
}

.feature-primary p { color: var(--muted); }

.agent-canvas {
  position: relative;
  flex: 1;
  min-height: 330px;
  margin: 2rem 0;
  background-image: radial-gradient(rgba(248, 249, 251, 0.15) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}

.agent-node {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 150px;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  color: #e9ecf2;
  background: #1a202c;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  font-size: 0.75rem;
}

.agent-node b {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 0.45rem;
  color: var(--ink);
  background: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
}

.node-start { top: 13%; left: 5%; }
.node-ai { top: 43%; left: 39%; }
.node-route { right: 4%; bottom: 13%; }

.agent-line {
  position: absolute;
  height: 1px;
  background: var(--accent);
  opacity: 0.55;
  transform-origin: left;
}

.line-one { top: 31%; left: 27%; width: 28%; transform: rotate(22deg); }
.line-two { top: 59%; left: 59%; width: 26%; transform: rotate(24deg); }

.signal-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  height: 105px;
  margin: 1.35rem 0;
}

.signal-bars i {
  display: block;
  width: 0.48rem;
  height: var(--h, 30%);
  border-radius: 1rem;
  background: #6877e8;
  animation: signal 1.4s ease-in-out infinite alternate;
}

.signal-bars i:nth-child(2), .signal-bars i:nth-child(8) { --h: 48%; animation-delay: -0.2s; }
.signal-bars i:nth-child(3), .signal-bars i:nth-child(7) { --h: 72%; animation-delay: -0.5s; }
.signal-bars i:nth-child(4), .signal-bars i:nth-child(6) { --h: 92%; animation-delay: -0.7s; }
.signal-bars i:nth-child(5) { --h: 60%; animation-delay: -0.35s; }

.integration-list {
  display: grid;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.integration-list span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.72rem 0.8rem;
  border: 1px solid rgba(8, 10, 15, 0.1);
  border-radius: 0.55rem;
  color: #353c49;
  background: rgba(255, 255, 255, 0.34);
  font-size: 0.73rem;
}

.integration-list b {
  color: #3848b7;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(400px, 1.2fr);
  gap: clamp(3rem, 8vw, 8rem);
  background: var(--ink);
}

.workflow-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.workflow-intro h2 {
  max-width: 620px;
}

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

.workflow-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding: 2.25rem 0 3rem;
  border-top: 1px solid var(--line);
}

.workflow-list li > span {
  color: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
}

.workflow-list h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.5vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -0.045em;
}

.workflow-list p {
  max-width: 510px;
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.use-cases {
  color: var(--ink);
  background: var(--paper-2);
  padding-bottom: clamp(3rem, 4vw, 4.5rem);
}

.case-shell {
  display: grid;
  grid-template-columns: minmax(220px, 0.32fr) minmax(0, 1fr);
  min-height: 560px;
  border: 1px solid var(--line-dark);
  border-radius: 1.15rem;
  overflow: hidden;
  background: #ece9e1;
}

.case-tabs {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-right: 1px solid var(--line-dark);
}

.case-tabs button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding: 0 1rem;
  border: 0;
  border-bottom: 1px solid rgba(8, 10, 15, 0.09);
  color: #606876;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: color 180ms ease, padding 180ms ease, background 180ms ease;
}

.case-tabs button::after {
  content: "→";
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.case-tabs button:hover,
.case-tabs button.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.35);
}

.case-tabs button.is-active {
  padding-left: 1.3rem;
  font-weight: 600;
}

.case-tabs button.is-active::after {
  opacity: 1;
  transform: translateX(0);
}

.case-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 5vw, 4.5rem);
  transition: opacity 160ms ease, transform 160ms ease;
}

.case-preview.is-changing {
  opacity: 0;
  transform: translateY(8px);
}

.case-copy {
  align-self: center;
}

.case-kicker {
  margin: 0 0 1rem;
  color: #4c5cc8;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case-copy h3 {
  margin: 0;
  font-size: clamp(2.25rem, 4.6vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.case-copy > p:not(.case-kicker) {
  margin: 1.25rem 0 0;
  color: #565f6e;
  line-height: 1.7;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.7rem;
}

.case-tags span {
  padding: 0.5rem 0.65rem;
  border: 1px solid rgba(8, 10, 15, 0.12);
  border-radius: 0.45rem;
  color: #343b47;
  background: rgba(255, 255, 255, 0.3);
  font-size: 0.7rem;
}

.call-path {
  position: relative;
  align-self: center;
  min-height: 380px;
  padding: 1.25rem;
  border: 1px solid rgba(248, 249, 251, 0.13);
  border-radius: 0.9rem;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0, rgba(117, 135, 255, 0.2), transparent 48%),
    var(--ink-2);
  box-shadow: 0 32px 75px rgba(18, 21, 30, 0.22);
  overflow: hidden;
}

.path-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  color: #dce0e8;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.path-status i {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #72e0ac;
  box-shadow: 0 0 0 5px rgba(114, 224, 172, 0.09);
}

.path-line {
  position: absolute;
  top: 4.8rem;
  bottom: 2rem;
  left: 2.65rem;
  width: 1px;
  background: rgba(117, 135, 255, 0.28);
}

.path-line span {
  display: block;
  width: 100%;
  height: 34%;
  background: var(--accent-soft);
  box-shadow: 0 0 12px rgba(117, 135, 255, 0.7);
  animation: path-scan 2.8s ease-in-out infinite;
}

.path-events {
  display: grid;
  gap: 0.7rem;
  margin-top: 2.2rem;
}

.path-events p {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  align-items: center;
  gap: 0.7rem;
  min-height: 4rem;
  margin: 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(248, 249, 251, 0.09);
  border-radius: 0.55rem;
  background: rgba(248, 249, 251, 0.035);
}

.path-events b {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.45rem;
  color: var(--ink);
  background: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.63rem;
}

.path-events span { font-size: 0.76rem; }
.path-events small { color: #9fa7b5; font-size: 0.62rem; }

.pricing-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.65fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}

.usage {
  padding-top: clamp(3rem, 4vw, 4.5rem);
}

.pricing-heading > div:last-child > p:first-child {
  margin: 0;
  color: #525b69;
  font-size: 1.05rem;
  line-height: 1.7;
}

.pricing-source {
  margin: 1rem 0 0;
  color: #4a58bd;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.billing-switch {
  display: flex;
  width: max-content;
  margin: 3rem 0 1.25rem auto;
  padding: 0.3rem;
  border: 1px solid var(--line-dark);
  border-radius: 0.7rem;
  background: #e2ded4;
}

.billing-switch button {
  min-height: 2.7rem;
  padding: 0 1rem;
  border: 0;
  border-radius: 0.48rem;
  color: #5d6572;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.billing-switch button.is-active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 8px 22px rgba(32, 38, 50, 0.11);
}

.billing-switch span {
  margin-left: 0.35rem;
  color: #4353c1;
  font-size: 0.68rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 520px;
  padding: clamp(1.3rem, 2.8vw, 2rem);
  border: 1px solid var(--line-dark);
  border-radius: 0.95rem;
  background: #ebe8e0;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.price-card:hover {
  z-index: 2;
  transform: translateY(-7px);
  box-shadow: 0 28px 65px rgba(25, 30, 40, 0.14);
}

.price-card.is-featured {
  color: var(--white);
  background:
    radial-gradient(circle at 70% 0, rgba(117, 135, 255, 0.25), transparent 42%),
    var(--ink-2);
}

.price-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.4rem 0.55rem;
  border-radius: 0.4rem;
  color: var(--ink);
  background: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.price-name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.price-description {
  min-height: 3rem;
  margin: 0.6rem 0 1.7rem;
  color: #596270;
}

.is-featured .price-description { color: var(--muted); }

.price-value {
  display: flex;
  align-items: end;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
}

.price-value strong {
  font-size: clamp(3.3rem, 5vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

.price-value span {
  padding-bottom: 0.5rem;
  color: #69717e;
  font-size: 0.8rem;
}

.is-featured .price-value span { color: var(--muted); }

.price-billing-note {
  margin: 0;
  color: #6d7581;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.64rem;
}

.is-featured .price-billing-note { color: #aeb6c4; }

.price-credits {
  margin: 1.5rem 0 0;
  padding: 0.8rem 0;
  border-block: 1px solid rgba(8, 10, 15, 0.11);
  font-size: 0.78rem;
  font-weight: 600;
}

.is-featured .price-credits { border-color: var(--line); }

.price-features {
  display: grid;
  gap: 0.75rem;
  margin: 1.4rem 0 1.8rem;
  padding: 0;
  list-style: none;
}

.price-features li {
  position: relative;
  padding-left: 1.2rem;
  color: #454d5a;
  font-size: 0.78rem;
}

.price-features li::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
}

.is-featured .price-features li { color: #ccd1da; }

.price-card .button {
  width: 100%;
  margin-top: auto;
}

.price-skeleton {
  min-height: 520px;
  border-color: transparent;
  background: linear-gradient(100deg, #e5e1d8 20%, #f2efe8 42%, #e5e1d8 64%);
  background-size: 300% 100%;
  animation: skeleton 1.5s ease infinite;
}

.usage-rates {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(2rem, 7vw, 7rem);
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line-dark);
}

.usage-rates h3 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1;
}

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

.rate-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 4.5rem;
  border-bottom: 1px solid var(--line-dark);
}

.rate-item span { color: #4f5866; }
.rate-item strong { font-family: "IBM Plex Mono", monospace; font-size: 0.78rem; }
.rate-loading { color: #656e7b; }

.provider-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 9vw, 9rem);
  padding: clamp(5.5rem, 10vw, 9rem) max(1.25rem, calc((100vw - var(--max)) / 2));
  background: #0b0e14;
}

.provider-copy h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.provider-copy > p:last-child {
  max-width: 580px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.provider-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-content: start;
  border-top: 1px solid var(--line);
}

.provider-grid span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 6rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  color: #eceef3;
  font-size: 1.15rem;
  font-weight: 600;
  transition: color 180ms ease, background 180ms ease, padding 180ms ease;
}

.provider-grid span:nth-child(odd) { border-right: 1px solid var(--line); }
.provider-grid span:hover { padding-inline: 1.25rem; color: var(--accent-soft); background: rgba(248,249,251,0.025); }
.provider-grid small { color: #747d8c; font-family: "IBM Plex Mono", monospace; font-size: 0.58rem; font-weight: 500; text-transform: uppercase; }

.faq {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 8vw, 8rem);
  color: var(--ink);
  background: var(--paper);
}

.faq-heading h2 {
  max-width: 560px;
}

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

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

.faq-list summary {
  position: relative;
  padding: 1.5rem 3rem 1.5rem 0;
  cursor: pointer;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0.4rem;
  color: #4d5bc4;
  font-size: 1.45rem;
  font-weight: 400;
  transform: translateY(-50%);
  transition: transform 180ms ease;
}

.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-list details p { max-width: 660px; margin: -0.2rem 0 1.6rem; color: #58616e; line-height: 1.7; }

.usage-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid var(--line-dark);
  border-radius: 1.2rem;
  background: #e5e1d7;
}

.usage-copy > p {
  margin: 0;
  color: #4d5563;
  font-size: 1.05rem;
  line-height: 1.7;
}

.usage-copy ul {
  display: grid;
  gap: 0.75rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.usage-copy li {
  position: relative;
  padding-left: 1.4rem;
  color: #252b35;
}

.usage-copy li::before {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #5868db;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid rgba(8, 10, 15, 0.35);
  color: var(--ink);
  font-weight: 600;
}

.arrow-link span { transition: transform 180ms ease; }
.arrow-link:hover span { transform: translate(2px, -2px); }

.assurance {
  background: #0d1017;
}

.assurance-copy {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: end;
  gap: 2rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.assurance-copy .eyebrow { margin: 0 0 0.4rem; }
.assurance-copy h2 { max-width: 880px; }

.assurance-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.assurance-list article {
  padding: 2rem 2rem 0 0;
}

.assurance-list article + article {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.assurance-list span {
  color: var(--accent-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.assurance-list h3 {
  margin: 1rem 0 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.assurance-list p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.final-cta {
  padding: 1rem;
  background: var(--paper);
}

.final-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: min(82vh, 760px);
  padding: clamp(5rem, 12vw, 9rem) 1.5rem;
  border-radius: 1.15rem;
  text-align: center;
  background:
    radial-gradient(circle at 50% 100%, rgba(117, 135, 255, 0.35), transparent 47%),
    var(--ink);
}

.final-cta h2 {
  max-width: 920px;
  margin: 0 0 2.2rem;
  font-size: clamp(3rem, 6.5vw, 6.4rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.93;
  text-wrap: balance;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  align-items: center;
  gap: 2rem;
  padding: 3.5rem max(1.25rem, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.site-footer > p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  color: #d7dbe3;
  font-size: 0.8rem;
}

.site-footer small {
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: #747d8d;
  font-size: 0.7rem;
}

body.js-ready .reveal {
  opacity: 0;
  filter: blur(7px);
  transform: translateY(26px);
  transition: opacity 750ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 750ms cubic-bezier(0.16, 1, 0.3, 1), filter 750ms ease;
}

body.js-ready .reveal.is-visible {
  opacity: 1;
  filter: none;
  transform: translateY(0);
}

@keyframes scroll-cue {
  0%, 100% { opacity: 0.35; transform: translateY(-3px); }
  50% { opacity: 1; transform: translateY(4px); }
}

@keyframes signal {
  from { transform: scaleY(0.55); opacity: 0.55; }
  to { transform: scaleY(1); opacity: 1; }
}

@keyframes rail-loop {
  to { transform: translateX(calc(-50% - 0.75rem)); }
}

@keyframes path-scan {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  50% { transform: translateY(190%); opacity: 1; }
}

@keyframes skeleton {
  to { background-position: -300% 0; }
}

@media (min-width: 900px) and (max-height: 800px) {
  .hero {
    min-height: 100svh;
    padding-top: 6.8rem;
    padding-bottom: 0.8rem;
  }

  .hero h1 { font-size: clamp(3.25rem, 5.2vw, 4.4rem); }
  .hero-lede { margin-top: 0.85rem; font-size: 0.98rem; line-height: 1.5; }
  .hero-actions { margin-top: 1rem; }
  .hero-visual { height: clamp(205px, 34vh, 260px); margin-top: 0.8rem; }
  .scroll-cue { display: none; }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .menu-button {
    display: grid;
    place-content: center;
    gap: 5px;
    width: 2.9rem;
    height: 2.9rem;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 0.6rem;
    color: var(--white);
    background: rgba(248, 249, 251, 0.04);
  }

  .menu-button span:not(.sr-only) {
    display: block;
    width: 1rem;
    height: 1px;
    background: currentColor;
    transition: transform 180ms ease;
  }

  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

  .mobile-nav {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0;
    display: grid;
    width: 100%;
    padding: 0.9rem;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    background: rgba(8, 10, 15, 0.98);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.52);
  }

  .mobile-nav[hidden] { display: none; }
  .mobile-nav > a:not(.button) { padding: 0.85rem 0.6rem; color: #d7dbe3; }
  .mobile-nav .button { margin-top: 0.5rem; }

  .section-heading,
  .workflow,
  .usage-card,
  .assurance-copy,
  .pricing-heading,
  .provider-section,
  .faq {
    grid-template-columns: 1fr;
  }

  .section-heading .eyebrow { margin-bottom: 0; }
  .feature-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .feature-primary { grid-row: auto; min-height: 580px; }
  .workflow-intro { position: static; }
  .assurance-list { grid-template-columns: 1fr; }
  .assurance-list article { padding: 2rem 0; }
  .assurance-list article + article { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .case-shell { grid-template-columns: 1fr; }
  .case-tabs { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .case-tabs button { flex: 0 0 auto; }
  .case-preview { grid-template-columns: 1fr; }
  .seo-path-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card { min-height: 490px; }
  .usage-rates { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-header {
    top: 0.55rem;
    width: calc(100% - 1rem);
    min-height: 3.7rem;
    padding-left: 0.75rem;
  }

  .hero {
    min-height: auto;
    padding: 7.5rem 1rem 0;
    background-size: 44px 44px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 12.5vw, 3.7rem);
    line-height: 0.92;
  }

  .hero-lede { font-size: 0.98rem; line-height: 1.55; }
  .hero-actions { width: 100%; }
  .hero-actions .button { flex: 1; min-width: 0; padding-inline: 0.75rem; font-size: 0.76rem; }

  .hero-visual {
    width: 100%;
    height: 300px;
    margin-top: 1.5rem;
    border-radius: 1rem 1rem 0 0;
  }

  .hero-visual img { bottom: -1px; height: 105%; }
  .scroll-cue { display: none; }

  .capability-rail {
    mask-image: linear-gradient(90deg, transparent, #000 1rem, #000 calc(100% - 1rem), transparent);
  }
  .rail-track { min-height: 4.4rem; }

  .section { padding: 5.5rem 1rem; }
  .section h2 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .section-heading { gap: 1.5rem; margin-bottom: 3rem; }
  .feature { padding: 1.15rem; }
  .feature-primary { min-height: 510px; }
  .agent-canvas { min-height: 285px; margin-block: 1rem; transform: scale(0.9); }
  .node-start { left: 0; }
  .node-ai { left: 27%; }
  .node-route { right: 0; }
  .feature h3 { font-size: 2rem; }

  .workflow { gap: 3rem; }
  .workflow-list li { grid-template-columns: 2rem 1fr; gap: 1rem; padding-block: 1.8rem; }
  .usage-card { gap: 2rem; padding: 1.35rem; }
  .case-shell { min-height: 0; }
  .case-tabs { padding: 0.5rem; }
  .case-tabs button { min-height: 3.3rem; padding-inline: 0.8rem; font-size: 0.76rem; }
  .seo-path-grid { grid-template-columns: 1fr; }
  .seo-path-grid a { min-height: 220px; }
  .case-tabs button.is-active { padding-left: 0.8rem; }
  .case-tabs button::after { display: none; }
  .case-preview { gap: 2rem; padding: 1.2rem; }
  .case-copy h3 { font-size: 2.65rem; }
  .call-path { min-height: 360px; }
  .path-events p { grid-template-columns: 2rem 1fr; }
  .path-events small { grid-column: 2; }
  .pricing-heading { gap: 1.5rem; }
  .billing-switch { width: 100%; margin-top: 2rem; }
  .billing-switch button { flex: 1; padding-inline: 0.5rem; }
  .billing-switch span { display: block; margin: 0; font-size: 0.57rem; }
  .price-card { min-height: 470px; }
  .usage-rates { gap: 2rem; }
  .provider-section { padding: 5.5rem 1rem; }
  .provider-grid { grid-template-columns: 1fr; }
  .provider-grid span:nth-child(odd) { border-right: 0; }
  .faq { gap: 2.5rem; }
  .assurance-copy { gap: 1rem; }
  .final-cta { padding: 0.55rem; }
  .final-cta-inner { min-height: 620px; padding-inline: 1rem; }
  .final-cta h2 { font-size: clamp(3rem, 14vw, 4.4rem); }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 3rem 1.25rem;
  }

  .site-footer small { grid-column: auto; }
}

@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;
  }
  body.js-ready .reveal { opacity: 1; filter: none; transform: none; }
  .hero-visual { transform: none !important; }
  .rail-track { animation: none; transform: none; }
  .rail-group[aria-hidden="true"] { display: none; }
}