@layer reset, base, components, pages, responsive;

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

  html {
    scroll-behavior: smooth;
  }

  body,
  h1,
  h2,
  h3,
  p,
  ul,
  ol,
  figure {
    margin: 0;
  }

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

  a {
    color: inherit;
  }

  button,
  input,
  textarea,
  select {
    font: inherit;
  }
}

@layer base {
  :root {
    --ink: #07111f;
    --ink-soft: #182538;
    --muted: #5d697a;
    --line: #dfe4eb;
    --line-strong: #cbd3dd;
    --paper: #ffffff;
    --wash: #f5f7fa;
    --wash-blue: #eef3ff;
    --brand: #5947e7;
    --brand-deep: #4030c7;
    --brand-pale: #dcd8ff;
    --cyan: #30c8d4;
    --success: #208365;
    --warning: #c46b18;
    --shadow: 0 28px 70px rgba(7, 17, 31, 0.12);
    --radius-sm: 0.65rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --shell: 74rem;
  }

  body {
    min-width: 20rem;
    background: var(--paper);
    color: var(--ink);
    font-family:
      Inter,
      ui-sans-serif,
      system-ui,
      -apple-system,
      BlinkMacSystemFont,
      "Segoe UI",
      sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
  }

  ::selection {
    background: var(--brand-pale);
    color: var(--ink);
  }

  :focus-visible {
    outline: 3px solid rgba(89, 71, 231, 0.38);
    outline-offset: 3px;
  }

  .shell {
    width: min(calc(100% - 2.5rem), var(--shell));
    margin-inline: auto;
  }

  .skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--ink);
    color: white;
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-180%);
  }

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

  .eyebrow {
    color: var(--brand-deep);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1.3;
    text-transform: uppercase;
  }

  .kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    color: var(--ink-soft);
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.03em;
  }

  .kicker::before {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--brand);
    content: "";
  }

  h1,
  h2,
  h3 {
    font-weight: 760;
    letter-spacing: -0.035em;
    line-height: 1.08;
  }

  h1 {
    font-size: clamp(2.75rem, 7vw, 5.9rem);
  }

  h2 {
    font-size: clamp(2rem, 4vw, 3.65rem);
  }

  h3 {
    font-size: 1.22rem;
  }

  .section-heading {
    max-width: 46rem;
  }

  .section-heading .eyebrow {
    margin-bottom: 1rem;
  }

  .section-heading h2 {
    margin-bottom: 1.1rem;
  }

  .section-heading > p:last-child {
    max-width: 42rem;
    color: var(--muted);
    font-size: 1.08rem;
  }

  .button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .button {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 750;
    line-height: 1.2;
    text-decoration: none;
    transition:
      background-color 160ms ease,
      border-color 160ms ease,
      color 160ms ease,
      transform 160ms ease;
  }

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

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

  .button-primary:hover {
    background: var(--brand-deep);
  }

  .button-secondary {
    border-color: var(--line-strong);
    background: white;
    color: var(--ink);
  }

  .button-secondary:hover {
    border-color: var(--ink);
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--brand-deep);
    font-weight: 750;
    text-underline-offset: 0.25rem;
  }
}

@layer components {
  .site-header {
    position: relative;
    z-index: 10;
    border-bottom: 1px solid rgba(223, 228, 235, 0.8);
    background: rgba(255, 255, 255, 0.92);
  }

  .header-inner {
    display: grid;
    min-height: 5.25rem;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    color: var(--ink);
    text-decoration: none;
  }

  .brand-logo {
    width: 12.5rem;
    height: auto;
  }


  .primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.6rem;
  }

  .primary-nav a {
    position: relative;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 680;
    text-decoration: none;
  }

  .primary-nav a:hover,
  .primary-nav a[aria-current="page"] {
    color: var(--ink);
  }

  .primary-nav a[aria-current="page"]::after {
    position: absolute;
    right: 0;
    bottom: -0.65rem;
    left: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--brand);
    content: "";
  }

  .header-cta {
    display: inline-flex;
    min-height: 2.65rem;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-sm);
    background: var(--ink);
    color: white;
    font-size: 0.82rem;
    font-weight: 750;
    text-decoration: none;
  }

  .site-footer {
    background: var(--ink);
    color: white;
  }

  .footer-main {
    display: grid;
    grid-template-columns: minmax(18rem, 2fr) 1fr 1fr;
    gap: 4rem;
    padding-block: 4.5rem 3.5rem;
  }

  .brand-inverse {
    color: white;
  }

  .brand-inverse .brand-logo {
    width: 13rem;
    filter: brightness(0) invert(1);
    opacity: 0.95;
  }

  .footer-intro > p {
    max-width: 24rem;
    margin-top: 1.2rem;
    color: #aeb8c6;
  }

  .footer-group {
    display: grid;
    align-content: start;
    gap: 0.65rem;
  }

  .footer-group h2 {
    margin-bottom: 0.45rem;
    color: #7f8da0;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .footer-group a {
    width: fit-content;
    color: #dce2ea;
    font-size: 0.92rem;
    text-decoration: none;
  }

  .footer-group a:hover {
    color: white;
    text-decoration: underline;
    text-underline-offset: 0.25rem;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding-block: 1.5rem;
    border-top: 1px solid #263346;
    color: #8491a3;
    font-size: 0.8rem;
  }

  .page-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(5rem, 10vw, 8.5rem);
    background: var(--ink);
    color: white;
  }

  .page-hero::after {
    position: absolute;
    top: -14rem;
    right: -10rem;
    width: 40rem;
    height: 40rem;
    border: 1px solid rgba(135, 167, 255, 0.18);
    border-radius: 50%;
    box-shadow:
      0 0 0 5rem rgba(89, 71, 231, 0.055),
      0 0 0 10rem rgba(48, 200, 212, 0.03);
    content: "";
  }

  .page-hero .shell {
    position: relative;
    z-index: 1;
  }

  .page-hero .eyebrow {
    margin-bottom: 1.25rem;
    color: #9dabff;
  }

  .page-hero h1 {
    max-width: 58rem;
    font-size: clamp(2.75rem, 6vw, 5.4rem);
  }

  .page-hero .lede {
    max-width: 44rem;
    margin-top: 1.5rem;
    color: #b8c2d0;
    font-size: clamp(1.05rem, 2vw, 1.3rem);
  }

  .page-hero .button-row {
    margin-top: 2rem;
  }

  .page-hero .button-primary {
    background: white;
    color: var(--ink);
  }

  .page-hero .button-secondary {
    border-color: #425168;
    background: transparent;
    color: white;
  }

  .page-section {
    padding-block: clamp(4.75rem, 9vw, 8rem);
  }

  .page-section-soft {
    background: var(--wash);
  }

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

  .page-section-dark .section-heading > p:last-child {
    color: #aeb8c6;
  }

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

  .four-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .info-card {
    min-height: 100%;
    padding: 1.6rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .info-card .card-number,
  .info-card .card-icon {
    display: grid;
    width: 2.2rem;
    height: 2.2rem;
    margin-bottom: 2rem;
    place-items: center;
    border-radius: 0.55rem;
    background: var(--wash-blue);
    color: var(--brand-deep);
    font-size: 0.78rem;
    font-weight: 800;
  }

  .info-card h3 {
    margin-bottom: 0.7rem;
  }

  .info-card p {
    color: var(--muted);
    font-size: 0.94rem;
  }

  .feature-list {
    display: grid;
    gap: 0;
    margin-top: 3rem;
    border-top: 1px solid var(--line);
  }

  .feature-row {
    display: grid;
    grid-template-columns: minmax(12rem, 0.8fr) 1.3fr;
    gap: 4rem;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
  }

  .feature-row h3 {
    font-size: 1.35rem;
  }

  .feature-row p {
    max-width: 42rem;
    color: var(--muted);
  }

  .callout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    align-items: center;
    gap: 4rem;
    padding: clamp(2rem, 6vw, 4.5rem);
    border-radius: var(--radius-lg);
    background: var(--brand);
    color: white;
  }

  .callout h2 {
    max-width: 44rem;
  }

  .callout p {
    margin-top: 1rem;
    color: #e5e1ff;
  }

  .callout .button-row {
    justify-content: flex-end;
  }

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

  .faq-list {
    display: grid;
    max-width: 54rem;
    gap: 0.75rem;
    margin-top: 3rem;
  }

  .faq-list details {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: white;
  }

  .faq-list summary {
    position: relative;
    padding: 1.2rem 3.5rem 1.2rem 1.25rem;
    cursor: pointer;
    font-weight: 750;
    list-style: none;
  }

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

  .faq-list summary::after {
    position: absolute;
    top: 50%;
    right: 1.25rem;
    width: 0.85rem;
    height: 0.85rem;
    background:
      linear-gradient(var(--brand), var(--brand)) center / 100% 2px no-repeat,
      linear-gradient(var(--brand), var(--brand)) center / 2px 100% no-repeat;
    content: "";
    transform: translateY(-50%);
  }

  .faq-list details[open] summary::after {
    background:
      linear-gradient(var(--brand), var(--brand)) center / 100% 2px no-repeat,
      linear-gradient(transparent, transparent) center / 0 0 no-repeat;
  }

  .faq-list details p {
    max-width: 47rem;
    padding: 0 1.25rem 1.35rem;
    color: var(--muted);
  }

  .pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.5rem;
  }

  .pill-list span {
    padding: 0.38rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: white;
    color: var(--ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
  }
}

@layer pages {
  .home-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(4.5rem, 9vw, 8rem) 4rem;
    background:
      linear-gradient(90deg, rgba(89, 71, 231, 0.045) 1px, transparent 1px),
      linear-gradient(rgba(89, 71, 231, 0.045) 1px, transparent 1px),
      white;
    background-size: 3rem 3rem;
  }

  .home-hero::before {
    position: absolute;
    top: -20rem;
    left: 45%;
    width: 54rem;
    height: 54rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(89, 71, 231, 0.13), transparent 67%);
    content: "";
  }

  .hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(28rem, 0.88fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 6rem);
  }

  .hero-copy .kicker {
    margin-bottom: 1.5rem;
  }

  .hero-copy h1 {
    max-width: 48rem;
  }

  .hero-copy h1 em {
    color: var(--brand);
    font-style: normal;
  }

  .hero-copy > p {
    max-width: 39rem;
    margin-top: 1.5rem;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.27rem);
  }

  .hero-copy .button-row {
    margin-top: 2rem;
  }

  .hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
    margin-top: 2rem;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
  }

  .hero-proof span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
  }

  .hero-proof span::before {
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 50%;
    background: var(--success);
    content: "";
  }

  .workflow-window {
    position: relative;
    overflow: hidden;
    border: 1px solid #cfd7e2;
    border-radius: 1.2rem;
    background: #f8fafc;
    box-shadow: var(--shadow);
  }

  .window-bar {
    display: flex;
    height: 3.4rem;
    align-items: center;
    justify-content: space-between;
    padding-inline: 1rem;
    border-bottom: 1px solid var(--line);
    background: white;
  }

  .window-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.76rem;
    font-weight: 750;
  }

  .window-title::before {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(32, 131, 101, 0.12);
    content: "";
  }

  .window-status {
    color: var(--muted);
    font-size: 0.7rem;
  }

  .workflow-svg-wrap {
    overflow-x: auto;
    background:
      radial-gradient(circle, #d7dee8 1px, transparent 1.2px),
      #f8fafc;
    background-size: 1.15rem 1.15rem;
    scrollbar-color: #b9c2cf transparent;
    scrollbar-width: thin;
  }

  .workflow-diagram {
    display: block;
    width: 100%;
    height: auto;
    font-family:
      Inter,
      ui-sans-serif,
      system-ui,
      sans-serif;
  }

  .workflow-flow-animation {
    filter: drop-shadow(0 0 2px rgba(89, 71, 231, 0.3));
    pointer-events: none;
  }

  .workflow-flow-animation path {
    fill: none;
    stroke: var(--brand);
    stroke-dasharray: 9 12;
    stroke-linecap: round;
    stroke-width: 3;
    opacity: 0;
    vector-effect: non-scaling-stroke;
    animation-duration: 8s, 8s;
    animation-iteration-count: infinite, infinite;
    animation-timing-function: linear, ease-in-out;
  }

  .workflow-flow-animation .flow-stage-1 {
    animation-name: workflow-dash, workflow-stage-1;
  }

  .workflow-flow-animation .flow-stage-2 {
    animation-name: workflow-dash, workflow-stage-2;
  }

  .workflow-flow-animation .flow-stage-3 {
    animation-name: workflow-dash, workflow-stage-3;
  }

  .workflow-flow-animation .flow-stage-4 {
    animation-name: workflow-dash, workflow-stage-4;
  }

  .workflow-flow-animation .flow-stage-5 {
    animation-name: workflow-dash, workflow-stage-5;
  }

  .workflow-flow-animation .flow-stage-6 {
    animation-name: workflow-dash, workflow-stage-6;
  }

  @keyframes workflow-dash {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -160; }
  }

  @keyframes workflow-stage-1 {
    0%, 2%, 22%, 100% { opacity: 0; }
    5%, 18% { opacity: 1; }
  }

  @keyframes workflow-stage-2 {
    0%, 15%, 35%, 100% { opacity: 0; }
    19%, 31% { opacity: 1; }
  }

  @keyframes workflow-stage-3 {
    0%, 29%, 50%, 100% { opacity: 0; }
    34%, 46% { opacity: 1; }
  }

  @keyframes workflow-stage-4 {
    0%, 44%, 62%, 100% { opacity: 0; }
    49%, 58% { opacity: 1; }
  }

  @keyframes workflow-stage-5 {
    0%, 57%, 75%, 100% { opacity: 0; }
    62%, 71% { opacity: 1; }
  }

  @keyframes workflow-stage-6 {
    0%, 70%, 89%, 100% { opacity: 0; }
    75%, 85% { opacity: 1; }
  }

  .workflow-caption {
    padding: 0.8rem 1rem;
    margin-top: 1em;
    border-top: 1px solid var(--line);
    background: white;
    color: var(--muted);
    font-size: 0.7rem;
  }

  .workflow-start rect,
  .workflow-end rect {
    fill: var(--ink);
  }

  .workflow-start circle,
  .workflow-end circle {
    fill: var(--cyan);
  }

  .workflow-start text,
  .workflow-end text {
    fill: white;
    font-size: 14px;
    font-weight: 760;
  }

  .workflow-tool-node rect {
    fill: white;
    stroke: #ccd5e1;
    stroke-width: 1.5;
  }

  .workflow-node-label {
    fill: var(--brand-deep);
    font-size: 10px;
    font-weight: 820;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .workflow-node-title {
    fill: var(--ink);
    font-size: 13px;
    font-weight: 750;
  }

  .workflow-merge path {
    fill: #e8e5ff;
    stroke: #8779f0;
    stroke-width: 1.5;
  }

  .workflow-merge text {
    fill: var(--brand-deep);
    font-size: 8px;
    font-weight: 820;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .workflow-agent-node > rect:first-child {
    fill: white;
    stroke: #7767ed;
    stroke-width: 2;
  }

  .workflow-agent-label {
    fill: var(--brand-deep);
    font-size: 11px;
    font-weight: 820;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .workflow-agent-title {
    fill: var(--ink);
    font-size: 17px;
    font-weight: 780;
  }

  .workflow-agent-items {
    fill: var(--muted);
    font-size: 13px;
    font-weight: 650;
  }

  .workflow-agent-status {
    fill: #edf8f5;
  }

  .workflow-agent-status-text {
    fill: #17654f;
    font-size: 9px;
    font-weight: 760;
  }

  .workflow-journal-node rect {
    fill: #fff8ef;
    stroke: #dca269;
    stroke-width: 1.5;
  }

  .workflow-journal-node .workflow-node-label {
    fill: #9b5213;
  }

  .principle-strip {
    border-block: 1px solid var(--line);
    background: var(--ink);
    color: white;
  }

  .principle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }

  .principle-grid div {
    padding: 1.3rem 1rem;
    border-right: 1px solid #263346;
    text-align: center;
  }

  .principle-grid div:first-child {
    border-left: 1px solid #263346;
  }

  .principle-grid strong {
    display: block;
    font-size: 0.82rem;
  }

  .principle-grid span {
    color: #8795a8;
    font-size: 0.7rem;
  }

  .split-section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
    gap: clamp(3rem, 8vw, 7rem);
  }

  .capability-stack {
    display: grid;
    gap: 0.8rem;
  }

  .capability-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.1rem;
    padding: 1.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .capability-card .card-icon {
    display: grid;
    width: 2.6rem;
    height: 2.6rem;
    place-items: center;
    border-radius: 0.7rem;
    background: var(--ink);
    color: white;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.74rem;
    font-weight: 750;
  }

  .capability-card h3 {
    margin-bottom: 0.35rem;
  }

  .capability-card p {
    color: var(--muted);
    font-size: 0.92rem;
  }

  .steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-top: 3.25rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .step {
    position: relative;
    padding: 1.5rem;
    border-right: 1px solid var(--line);
  }

  .step:last-child {
    border-right: 0;
  }

  .step::after {
    position: absolute;
    z-index: 1;
    top: 1.9rem;
    right: -0.55rem;
    display: grid;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    background: var(--brand);
    color: white;
    content: "";
  }

  .step:last-child::after {
    display: none;
  }

  .step span {
    color: var(--brand);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.7rem;
    font-weight: 800;
  }

  .step h3 {
    margin-block: 1rem 0.55rem;
    font-size: 1rem;
  }

  .step p {
    color: var(--muted);
    font-size: 0.82rem;
  }

  .security-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    overflow: hidden;
    border: 1px solid #263346;
    border-radius: var(--radius-lg);
    background: #263346;
  }

  .security-copy,
  .security-list {
    padding: clamp(2rem, 5vw, 4rem);
    background: var(--ink);
  }

  .security-copy .eyebrow {
    margin-bottom: 1rem;
    color: #9dabff;
  }

  .security-copy p {
    margin-top: 1.2rem;
    color: #aeb8c6;
  }

  .security-copy .text-link {
    margin-top: 1.5rem;
    color: #bdb5ff;
  }

  .security-list {
    display: grid;
    align-content: center;
    gap: 1.35rem;
  }

  .security-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.9rem;
    color: #dce2ea;
    list-style: none;
  }

  .security-list li::before {
    width: 1.55rem;
    height: 1.55rem;
    border: 1px solid #46566d;
    border-radius: 50%;
    background: radial-gradient(circle, #91e5cd 0 0.2rem, transparent 0.23rem);
    content: "";
  }

  .usecase-grid {
    margin-top: 3rem;
  }

  .usecase-card {
    display: flex;
    min-height: 21rem;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.7rem;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .usecase-card:nth-child(2) {
    background: var(--ink);
    color: white;
  }

  .usecase-card:nth-child(2) p,
  .usecase-card:nth-child(2) .usecase-label {
    color: #aeb8c6;
  }

  .usecase-label {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.72rem;
    font-weight: 750;
    text-transform: uppercase;
  }

  .usecase-card h3 {
    margin-bottom: 0.7rem;
    font-size: 1.5rem;
  }

  .usecase-card p {
    color: var(--muted);
  }

  .usecase-path {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 2rem;
  }

  .usecase-path span {
    padding: 0.3rem 0.5rem;
    border: 1px solid currentColor;
    border-radius: 0.35rem;
    font-size: 0.64rem;
    font-weight: 700;
    opacity: 0.72;
  }

  .architecture-map {
    display: grid;
    max-width: 58rem;
    grid-template-columns: repeat(5, 1fr);
    align-items: center;
    gap: 0.75rem;
    margin-top: 3rem;
  }

  .architecture-map div {
    position: relative;
    padding: 1.1rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: white;
    font-size: 0.78rem;
    font-weight: 750;
    text-align: center;
  }

  .architecture-map div:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: -0.72rem;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--brand);
    content: "";
    transform: translateY(-50%);
  }

  .architecture-map div:nth-child(4) {
    border-color: #d7b58f;
    background: #fff8ef;
    color: #8b4d13;
  }

  .comparison-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 1px;
    margin-top: 3rem;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--line);
  }

  .comparison-grid > div {
    padding: 1.2rem 1.4rem;
    background: white;
  }

  .comparison-grid .comparison-label {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .comparison-grid p {
    color: var(--ink-soft);
  }

  .integration-catalog {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 3rem;
  }

  .integration-card {
    padding: 2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .integration-card header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
  }

  .integration-symbol {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border-radius: 0.8rem;
    background: var(--ink);
    color: white;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.7rem;
    font-weight: 800;
  }

  .integration-card p {
    color: var(--muted);
  }

  .scenario {
    display: grid;
    grid-template-columns: minmax(14rem, 0.7fr) 1.3fr;
    gap: 4rem;
    padding-block: 3rem;
    border-bottom: 1px solid var(--line);
  }

  .scenario:first-child {
    padding-top: 0;
  }

  .scenario:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .scenario-index {
    color: var(--brand);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.76rem;
    font-weight: 800;
  }

  .scenario h2 {
    margin-top: 0.8rem;
    font-size: clamp(1.75rem, 3vw, 2.8rem);
  }

  .scenario-copy > p {
    color: var(--muted);
    font-size: 1.05rem;
  }

  .scenario-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.5rem;
  }

  .scenario-flow span {
    position: relative;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 0.45rem;
    background: white;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .scenario-flow span:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: -0.36rem;
    width: 0.18rem;
    height: 0.18rem;
    border-radius: 50%;
    background: var(--brand);
    content: "";
    transform: translateY(-50%);
  }

  .blog-hero h1 {
    max-width: 62rem;
  }

  .blog-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.65fr);
    align-items: end;
    gap: 3rem;
  }

  .blog-section-heading .eyebrow {
    margin-bottom: 0.9rem;
  }

  .blog-section-heading > p {
    max-width: 34rem;
    color: var(--muted);
    font-size: 1.05rem;
  }

  .blog-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 3rem;
  }

  .blog-card {
    display: flex;
    min-height: 23rem;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
    padding: clamp(1.6rem, 4vw, 2.4rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: white;
  }

  .blog-card-featured {
    min-height: 25rem;
    grid-column: 1 / -1;
    background:
      radial-gradient(circle at 85% 10%, rgba(89, 71, 231, 0.34), transparent 32%),
      var(--ink);
    color: white;
  }

  .blog-card-topline {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 700;
  }

  .blog-card-featured .blog-card-topline {
    color: #aeb8c6;
  }

  .blog-topic {
    color: var(--brand-deep);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .blog-card-featured .blog-topic,
  .blog-card-featured .text-link {
    color: #a9b4ff;
  }

  .blog-card-copy {
    max-width: 54rem;
  }

  .blog-card-copy h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.7rem, 4vw, 3.2rem);
  }

  .blog-card:not(.blog-card-featured) .blog-card-copy h2 {
    font-size: clamp(1.55rem, 3vw, 2.25rem);
  }

  .blog-card-copy h2 a {
    text-decoration: none;
  }

  .blog-card-copy h2 a:hover {
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.15em;
  }

  .blog-card-copy p {
    max-width: 46rem;
    color: var(--muted);
  }

  .blog-card-featured .blog-card-copy p {
    color: #b8c2d0;
  }

  .blog-card > .text-link {
    width: fit-content;
  }

  .blog-principles .three-grid {
    margin-top: 3rem;
  }

  .article-header {
    padding: clamp(4.5rem, 9vw, 8rem) max(1.25rem, calc((100% - var(--shell)) / 2));
    border-bottom: 1px solid var(--line);
    background:
      linear-gradient(90deg, rgba(89, 71, 231, 0.045) 1px, transparent 1px),
      linear-gradient(rgba(89, 71, 231, 0.045) 1px, transparent 1px),
      var(--wash);
    background-size: 3rem 3rem;
  }

  .breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 3.5rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 680;
  }

  .breadcrumbs a {
    text-underline-offset: 0.2rem;
  }

  .article-header > .eyebrow {
    margin-bottom: 1.2rem;
  }

  .article-header h1 {
    max-width: 62rem;
    font-size: clamp(2.75rem, 6vw, 5.45rem);
  }

  .article-deck {
    max-width: 52rem;
    margin-top: 1.6rem;
    color: var(--muted);
    font-size: clamp(1.08rem, 2vw, 1.3rem);
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-top: 2rem;
    color: var(--ink-soft);
    font-size: 0.82rem;
    font-weight: 700;
  }

  .article-layout {
    display: grid;
    width: min(calc(100% - 2.5rem), 66rem);
    grid-template-columns: 13rem minmax(0, 46rem);
    justify-content: center;
    gap: clamp(2.5rem, 7vw, 5rem);
    margin-inline: auto;
    padding-block: clamp(4rem, 8vw, 7rem);
  }

  .article-toc {
    position: sticky;
    top: 2rem;
    display: grid;
    align-self: start;
    gap: 0.8rem;
    padding-left: 1rem;
    border-left: 2px solid var(--line);
    color: var(--muted);
    font-size: 0.8rem;
  }

  .article-toc strong {
    margin-bottom: 0.25rem;
    color: var(--ink);
  }

  .article-toc a {
    text-decoration: none;
  }

  .article-toc a:hover {
    color: var(--brand-deep);
    text-decoration: underline;
    text-underline-offset: 0.2rem;
  }

  .article-body {
    min-width: 0;
    color: var(--ink-soft);
    font-size: 1.04rem;
  }

  .article-body > * + * {
    margin-top: 1.35rem;
  }

  .article-body h2,
  .article-body h3 {
    scroll-margin-top: 2rem;
    color: var(--ink);
  }

  .article-body h2 {
    margin-top: 3.75rem;
    font-size: clamp(1.9rem, 4vw, 2.8rem);
  }

  .article-body h3 {
    margin-top: 2.6rem;
    font-size: 1.35rem;
  }

  .article-body ul,
  .article-body ol:not(.article-steps) {
    display: grid;
    gap: 0.6rem;
    padding-left: 1.4rem;
  }

  .article-lead {
    color: var(--ink);
    font-size: clamp(1.18rem, 2.5vw, 1.45rem);
    line-height: 1.55;
  }

  .article-callout {
    padding: 1.5rem;
    border-left: 3px solid var(--brand);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--wash-blue);
  }

  .article-callout strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--brand-deep);
  }

  .article-steps {
    display: grid;
    gap: 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
    counter-reset: article-step;
  }

  .article-steps li {
    display: grid;
    grid-template-columns: 2rem minmax(9rem, 0.75fr) minmax(0, 1.4fr);
    gap: 1rem;
    padding-block: 1.15rem;
    border-bottom: 1px solid var(--line);
    counter-increment: article-step;
  }

  .article-steps li::before {
    color: var(--brand-deep);
    content: counter(article-step, decimal-leading-zero);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.74rem;
    font-weight: 800;
  }

  .article-steps strong {
    color: var(--ink);
  }

  .article-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
  }

  .article-table-wrap table {
    width: 100%;
    min-width: 38rem;
    border-collapse: collapse;
    font-size: 0.9rem;
  }

  .article-table-wrap th,
  .article-table-wrap td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
  }

  .article-table-wrap th {
    background: var(--wash);
    color: var(--ink);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .article-table-wrap tr:last-child td {
    border-bottom: 0;
  }

  .article-conclusion {
    margin-top: 4rem;
    padding: clamp(1.75rem, 5vw, 3rem);
    border-radius: var(--radius-md);
    background: var(--ink);
    color: white;
  }

  .article-conclusion .eyebrow {
    color: #9dabff;
  }

  .article-conclusion h2 {
    margin-top: 0.8rem;
    color: white;
  }

  .article-conclusion p:last-child {
    color: #b8c2d0;
  }

  .article-related {
    padding: clamp(4rem, 8vw, 7rem) max(1.25rem, calc((100% - var(--shell)) / 2));
    background: var(--wash);
  }

  .article-related > .eyebrow {
    margin-bottom: 0.9rem;
  }

  .article-related-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
  }

  .article-related-links a {
    display: grid;
    min-height: 10rem;
    align-content: space-between;
    gap: 1.25rem;
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: white;
    font-size: 1.15rem;
    font-weight: 750;
    text-decoration: none;
  }

  .article-related-links a:hover {
    border-color: var(--brand);
  }

  .article-related-links span {
    color: var(--brand-deep);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
}

@layer responsive {
  @media (max-width: 64rem) {
    .header-inner {
      grid-template-columns: auto 1fr;
      gap: 1rem;
      padding-block: 0.75rem;
    }

    .primary-nav {
      order: 3;
      grid-column: 1 / -1;
      flex-wrap: wrap;
      justify-content: flex-start;
      gap: 0.45rem 1.2rem;
      overflow: visible;
      padding-bottom: 0.35rem;
    }

    .header-cta {
      justify-self: end;
    }

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

    .hero-copy {
      max-width: 48rem;
    }

    .workflow-window {
      max-width: 48rem;
    }

    .article-layout {
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }

    .article-toc {
      position: static;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      padding: 1.2rem;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
    }

    .article-toc strong {
      grid-column: 1 / -1;
    }

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

    .principle-grid div:nth-child(4),
    .principle-grid div:nth-child(5) {
      border-top: 1px solid #263346;
    }

    .split-section,
    .security-panel {
      grid-template-columns: 1fr;
    }

    .four-grid {
      grid-template-columns: repeat(2, 1fr);
    }

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

    .step:nth-child(3) {
      border-right: 0;
    }

    .step:nth-child(4),
    .step:nth-child(5) {
      border-top: 1px solid var(--line);
    }

    .step:nth-child(3)::after {
      display: none;
    }

    .architecture-map {
      grid-template-columns: 1fr;
      align-items: stretch;
    }

    .architecture-map div:not(:last-child)::after {
      top: auto;
      right: 50%;
      bottom: -0.9rem;
      transform: rotate(90deg) translateY(-50%);
    }
  }

  @media (max-width: 48rem) {
    .blog-section-heading,
    .blog-grid,
    .article-related-links {
      grid-template-columns: 1fr;
    }

    .blog-card-featured {
      grid-column: auto;
    }

    .article-toc {
      grid-template-columns: 1fr;
    }

    .article-steps li {
      grid-template-columns: 2rem 1fr;
    }

    .article-steps li span {
      grid-column: 2;
    }

    .shell {
      width: min(calc(100% - 1.5rem), var(--shell));
    }

    .header-cta {
      min-height: 2.4rem;
      padding-inline: 0.75rem;
    }

    .brand-logo {
      width: 10.5rem;
    }

    .primary-nav a {
      flex: 0 0 auto;
    }

    .three-grid,
    .integration-catalog,
    .footer-main,
    .callout,
    .scenario,
    .feature-row,
    .comparison-grid {
      grid-template-columns: 1fr;
    }

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

    .footer-main {
      gap: 2.5rem;
    }

    .footer-bottom {
      flex-direction: column;
      gap: 0.4rem;
    }

    .callout {
      gap: 2rem;
    }

    .callout .button-row {
      justify-content: flex-start;
    }

    .feature-row {
      gap: 0.8rem;
    }

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

    .step,
    .step:nth-child(3) {
      border-right: 0;
      border-bottom: 1px solid var(--line);
    }

    .step:nth-child(4),
    .step:nth-child(5) {
      border-top: 0;
    }

    .step:last-child {
      border-bottom: 0;
    }

    .step::after,
    .step:nth-child(3)::after {
      top: auto;
      right: 1.4rem;
      bottom: -0.55rem;
      display: grid;
      transform: rotate(90deg);
    }

    .step:last-child::after {
      display: none;
    }

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

    .principle-grid div {
      border-right: 1px solid #263346;
      border-bottom: 1px solid #263346;
    }

    .principle-grid div:nth-child(4),
    .principle-grid div:nth-child(5) {
      border-top: 0;
    }

    .workflow-diagram {
      width: 42rem;
      max-width: none;
    }

    .scenario {
      gap: 1rem;
    }
  }

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

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

    .workflow-flow-animation {
      display: none;
    }
  }
}