.sp-page { --sp-display: var(--display, 'Barlow Condensed', sans-serif); --sp-body: var(--body, 'IBM Plex Sans', sans-serif); }
.sp-page [hidden] { display: none !important; }
.sp-page h1, .sp-page h2, .sp-page h3, .sp-page p { margin-top: 0; }
.sp-page h1, .sp-page h2, .sp-page h3 { font-family: var(--sp-display); font-weight: 600; }
.sp-page h2 { font-size: clamp(42px, 4.6vw, 62px); letter-spacing: -.025em; line-height: .99; }
.sp-page h3 { letter-spacing: -.015em; }
.sp-page em { font-style: normal; color: var(--accent-ink); }
.sp-page button, .sp-page input, .sp-page select, .sp-page textarea { font: inherit; }
.sp-page button, .sp-page summary { cursor: pointer; }
.sp-page a, .sp-page button, .sp-page input, .sp-page select, .sp-page textarea, .sp-page summary { -webkit-tap-highlight-color: transparent; }
.sp-page :focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.sp-skip { position: fixed; top: 10px; left: 20px; padding: 12px 20px; background: var(--ink); color: var(--paper); z-index: 1000; transform: translateY(-150%); }
.sp-skip:focus { transform: none; }
.sp-hero { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr); align-items: stretch; gap: 56px; padding-top: 72px; padding-bottom: 88px; }
.sp-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 25px; }
.sp-kicker > span { width: 7px; height: 7px; background: var(--accent); }
.sp-hero h1 { font-size: clamp(76px, 7.6vw, 106px); line-height: .91; letter-spacing: -.025em; margin-bottom: 30px; }
.sp-hero-intro { max-width: 490px; font-size: 17px; line-height: 1.65; color: var(--muted); margin-bottom: 28px; }
.sp-hero-actions { display: flex; align-items: flex-start; gap: 21px; flex-direction: column; }
.sp-hero-actions .button { min-height: 52px; }
.sp-demo-note { max-width: 465px; margin-top: 22px; margin-bottom: 0; font-size: 11px; line-height: 1.65; color: var(--muted); }
.sp-hero-art { min-height: 542px; overflow: hidden; position: relative; background: var(--ink); color: var(--paper); padding: 31px; display: flex; flex-direction: column; justify-content: space-between; }
.sp-art-top { display: flex; align-items: flex-start; justify-content: space-between; font-size: 10px; font-weight: 500; letter-spacing: .12em; }
.sp-art-top > span:last-child { font-size: 37px; font-weight: 300; line-height: .8; color: var(--accent-on-dark); }
.sp-art-word { position: relative; z-index: 1; font-family: var(--sp-display); font-weight: 600; font-size: clamp(57px, 5.6vw, 76px); letter-spacing: -.025em; line-height: .91; padding-top: 34px; }
.sp-art-word > span { color: var(--accent-on-dark); }
.sp-art-connection { width: calc(100% + 62px); margin-left: -31px; display: flex; align-items: center; margin-top: 23px; margin-bottom: 34px; position: relative; height: 42px; }
.sp-art-connection i { flex: 1; height: 3px; background: var(--paper); opacity: .22; }
.sp-art-connection b { width: 80px; height: 34px; background: var(--accent); transform: skewY(-9deg); position: relative; }
.sp-art-connection b::before, .sp-art-connection b::after { content: ''; position: absolute; width: 7px; height: 7px; background: var(--accent-contrast); top: 13px; }
.sp-art-connection b::before { left: 13px; }.sp-art-connection b::after { right: 13px; }
.sp-art-bottom { display: flex; flex-direction: column; gap: 12px; font-size: 9px; letter-spacing: .09em; line-height: 1.5; }
.sp-art-bottom > span:first-child { color: var(--on-dark-muted); border-bottom: 1px solid var(--dark-line); padding-bottom: 12px; }
.sp-paths { padding-top: 64px; padding-bottom: 90px; border-top: 1px solid var(--line); }
.sp-section-heading { display: grid; grid-template-columns: 1.18fr .82fr; column-gap: 60px; margin-bottom: 38px; }
.sp-section-heading > .eyebrow { grid-column: 1/-1; margin-bottom: 21px; }
.sp-section-heading > h2 { margin-bottom: 0; }
.sp-section-heading > p:last-child { align-self: end; max-width: 440px; margin-bottom: 3px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.sp-path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sp-path-card { padding: 30px 32px 0; border: 1px solid var(--line); background: var(--surface); display: flex; flex-direction: column; }
.sp-path-card-company { background: var(--surface-muted); }
.sp-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.sp-card-top .eyebrow { margin: 0; }
.sp-card-index { font-family: var(--sp-display); font-size: 48px; font-weight: 500; line-height: 1; color: var(--accent-ink); }
.sp-path-card h3 { font-size: 43px; line-height: 1.02; margin-bottom: 18px; }
.sp-path-card > p { color: var(--muted); font-size: 14px; line-height: 1.75; max-width: 440px; margin-bottom: 24px; }
.sp-key-list { list-style: none; padding: 0; margin: 0 0 34px; font-size: 13px; line-height: 1.65; }
.sp-key-list li { position: relative; padding-left: 19px; margin-bottom: 8px; }
.sp-key-list li::before { content: ''; width: 5px; height: 5px; background: var(--accent); position: absolute; left: 0; top: 8px; }
.sp-card-action { display: flex; width: calc(100% + 64px); margin: auto -32px 0; align-items: center; justify-content: space-between; gap: 20px; border: 0; border-top: 1px solid var(--line); padding: 19px 32px; background: transparent; text-align: left; color: var(--ink); font-size: 13px !important; font-weight: 600 !important; transition: background .18s ease; }
.sp-card-action:hover { background: var(--ink); color: var(--paper); }
.sp-card-action > span { color: var(--accent-ink); font-size: 23px; }
.sp-expertise { background: var(--ink); color: var(--paper); padding-top: 78px; padding-bottom: 76px; }
.sp-expertise-heading { display: grid; grid-template-columns: 1.18fr .82fr; column-gap: 60px; margin-bottom: 43px; }
.sp-expertise-heading > .eyebrow { grid-column: 1/-1; color: var(--on-dark-muted); margin-bottom: 22px; }
.sp-expertise-heading h2 { margin: 0; }
.sp-expertise-heading > p:last-child { max-width: 415px; margin-bottom: 3px; align-self: end; font-size: 15px; line-height: 1.7; color: var(--on-dark-muted); }
.sp-expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--dark-line); }
.sp-expertise-grid article { padding: 27px 27px 0 0; }
.sp-expertise-grid article + article { border-left: 1px solid var(--dark-line); padding-left: 28px; }
.sp-expertise-symbol { color: var(--accent-on-dark); font-size: 11px; letter-spacing: .08em; }
.sp-expertise-grid h3 { font-size: 37px; line-height: 1.05; margin-top: 27px; margin-bottom: 16px; }
.sp-expertise-grid article > p { font-size: 13px; line-height: 1.75; color: var(--on-dark-muted); margin-bottom: 23px; max-width: 310px; }
.sp-tag-row { display: flex; flex-wrap: wrap; gap: 7px; }
.sp-tag-row span { display: inline-block; border: 1px solid var(--dark-line); padding: 5px 8px; font-size: 10px; line-height: 1.3; color: var(--on-dark); }
.sp-models { padding-top: 88px; padding-bottom: 48px; }
.sp-model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sp-model-card { border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line); padding: 29px 28px 25px; background: var(--surface); }
.sp-model-heading { display: flex; align-items: center; gap: 15px; margin-bottom: 19px; }
.sp-model-icon { color: var(--accent-ink); font-size: 21px; font-weight: 500; letter-spacing: -.04em; }
.sp-model-card h3 { font-size: 43px; margin-bottom: 17px; line-height: 1; }
.sp-model-card > p { font-size: 14px; line-height: 1.75; color: var(--muted); min-height: 98px; margin-bottom: 23px; }
.sp-definition-list { margin: 0; }
.sp-definition-list > div { display: grid; grid-template-columns: 95px 1fr; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.55; }
.sp-definition-list dt { color: var(--muted); }
.sp-definition-list dd { margin: 0; font-weight: 500; }
.sp-model-card > .sp-model-footnote { min-height: 0; margin: 17px 0 0; font-size: 11px; }
.sp-model-callout { display: flex; align-items: center; gap: 17px; margin-top: 23px; padding: 15px 0; }
.sp-model-callout > span { color: var(--accent-ink); font-size: 30px; }
.sp-model-callout p { font-size: 13px; line-height: 1.65; margin-bottom: 0; color: var(--muted); }
.sp-model-callout strong { font-weight: 500; color: var(--ink); }
.sp-process { border-top: 1px solid var(--line); padding-top: 62px; padding-bottom: 74px; display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; }
.sp-process-intro .eyebrow { margin-bottom: 24px; }
.sp-process-list { list-style: none; padding: 0; margin: 0; }
.sp-process-list li { display: grid; grid-template-columns: 43px 1fr; gap: 23px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.sp-process-list li:first-child { padding-top: 0; }
.sp-step-number { font-family: var(--sp-display); font-size: 34px; line-height: 1; color: var(--accent-ink); }
.sp-process-list h3 { font-size: 29px; line-height: 1; margin-bottom: 10px; }
.sp-process-list p { font-size: 13px; line-height: 1.75; color: var(--muted); max-width: 460px; margin-bottom: 0; }
.sp-faq { padding-top: 59px; padding-bottom: 84px; border-top: 1px solid var(--line); display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; }
.sp-faq .eyebrow { margin-bottom: 24px; }
.sp-faq-list { border-top: 1px solid var(--ink); }
.sp-faq-list details { border-bottom: 1px solid var(--line); }
.sp-faq-list summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-weight: 500; font-size: 14px; padding: 21px 0; line-height: 1.55; }
.sp-faq-list summary::-webkit-details-marker { display: none; }
.sp-faq-list summary > span { color: var(--accent-ink); font-size: 26px; font-weight: 400; line-height: 1; transition: transform .18s ease; }
.sp-faq-list details[open] summary > span { transform: rotate(45deg); }
.sp-faq-list details > p { margin: -2px 35px 24px 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.sp-join { background: var(--accent); color: var(--accent-contrast); --focus: var(--accent-contrast); }
.sp-join-inner { display: grid; grid-template-columns: 1.18fr .82fr; column-gap: 60px; padding-top: 57px; padding-bottom: 61px; }
.sp-join .eyebrow { margin-bottom: 25px; }
.sp-join h2 { font-size: clamp(60px, 6vw, 82px); line-height: .96; margin-bottom: 0; }
.sp-join h2 > span { color: var(--accent-contrast); }
.sp-join-action { align-self: end; }
.sp-join-action > p:first-child { max-width: 330px; line-height: 1.7; font-size: 16px; margin-bottom: 25px; }
.sp-join-action .button { min-height: 52px; }
.sp-join-note { font-size: 11px; margin-top: 14px; margin-bottom: 2px; }
.sp-dialog { color: var(--ink); background: var(--paper); width: min(720px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); margin: auto; border: 0; padding: 31px 39px; box-shadow: 0 30px 100px var(--dialog-shadow); overscroll-behavior: contain; }
.sp-dialog::backdrop { background: var(--dialog-backdrop); backdrop-filter: blur(4px); }
.sp-dialog-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.sp-dialog-top .eyebrow { margin: 0; }
.sp-dialog-close { width: 40px; height: 40px; display: grid; place-items: center; line-height: 1; border: 1px solid var(--line); color: var(--ink); background: transparent; font-size: 28px !important; }
.sp-dialog-close:hover { background: var(--surface); }
.sp-dialog h2 { font-size: 58px; line-height: .94; letter-spacing: -.02em; margin-bottom: 18px; }
.sp-dialog h2:focus-visible { outline: none; }
.sp-dialog-note { font-size: 12px; line-height: 1.65; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 21px; margin-bottom: 23px; max-width: 580px; }
.sp-fieldset { margin: 0 0 22px; border: 0; padding: 0; min-inline-size: 0; }
.sp-fieldset legend, .sp-field label { display: block; font-size: 13px; font-weight: 500; line-height: 1.6; margin-bottom: 9px; }
.sp-fieldset legend > span, .sp-field label > span { font-size: 10px; font-weight: 400; color: var(--muted); margin-left: 5px; }
.sp-choice-row { display: flex; gap: 8px; flex-wrap: wrap; }
.sp-choice { position: relative; display: flex; align-items: center; cursor: pointer; }
.sp-choice input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.sp-choice span { display: flex; gap: 8px; align-items: center; min-height: 42px; font-size: 12px; padding: 10px 13px; border: 1px solid var(--field-border); background: var(--surface); transition: background .15s ease, border-color .15s ease; }
.sp-choice span::before { content: ''; display: block; width: 10px; height: 10px; flex: 0 0 10px; border: 1px solid var(--control-outline); background: transparent; }
.sp-choice input[type='radio'] + span::before { border-radius: 50%; }
.sp-choice input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.sp-choice input:checked + span::before { background: var(--accent); border-color: var(--accent); }
.sp-choice input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 3px; }
.sp-field { margin-bottom: 22px; min-width: 0; }
.sp-field input, .sp-field textarea, .sp-field select { display: block; width: 100%; max-width: 100%; border: 1px solid var(--field-border); background: var(--surface); color: var(--ink); border-radius: 0; font-size: 13px; min-height: 45px; padding: 11px 12px; line-height: 1.6; }
.sp-field textarea { resize: vertical; min-height: 84px; }
.sp-field input::placeholder, .sp-field textarea::placeholder { color: var(--placeholder); }
.sp-field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sp-field-error { color: var(--error); font-size: 12px; line-height: 1.5; margin: 9px 0 0; }
.sp-dialog-bottom { border-top: 1px solid var(--line); padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.sp-dialog-bottom > span { font-size: 11px; color: var(--muted); max-width: 155px; line-height: 1.5; }
.sp-dialog-bottom .button { font-size: 12px; }
.sp-preview-heading { border-left: 4px solid var(--accent); padding: 3px 0 2px 18px; margin: 26px 0; }
.sp-preview-heading .eyebrow { margin-bottom: 14px; }
.sp-preview-heading h3 { font-size: 36px; line-height: 1.05; margin-bottom: 8px; overflow-wrap: anywhere; }
.sp-preview-heading > p:last-child { font-size: 13px; color: var(--muted); margin: 0; }
.sp-preview-values { margin: 0 0 22px; }
.sp-preview-values > div { display: grid; grid-template-columns: 120px 1fr; gap: 15px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.7; }
.sp-preview-values dt { color: var(--muted); }
.sp-preview-values dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.sp-preview-confirmation { display: flex; align-items: flex-start; gap: 10px; background: var(--surface-muted); padding: 14px 16px; font-size: 12px; line-height: 1.6; margin-bottom: 24px; }
.sp-preview-confirmation > span { font-weight: 600; }
.sp-preview-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.sp-preview-actions .button { font-size: 12px; }
@media (min-width: 1440px) { .sp-hero-art { min-height: 561px; } }
@media (max-width: 1050px) {
  .sp-hero { gap: 30px; padding-top: 55px; }
  .sp-hero h1 { font-size: 84px; }
  .sp-hero-art { min-height: 545px; padding: 25px; }
  .sp-art-word { font-size: 62px; }
  .sp-art-connection { width: calc(100% + 50px); margin-left: -25px; }
  .sp-section-heading, .sp-expertise-heading { gap: 23px 32px; }
  .sp-path-card { padding: 26px 26px 0; }
  .sp-card-action { width: calc(100% + 52px); margin-inline: -26px; padding-inline: 26px; }
  .sp-path-card h3 { font-size: 39px; }
  .sp-process, .sp-faq { gap: 40px; grid-template-columns: .85fr 1.15fr; }
  .sp-model-card { padding-inline: 22px; }
  .sp-model-card > p { min-height: 122px; }
  .sp-expertise-grid h3 { font-size: 32px; }
  .sp-expertise-grid article { padding-right: 19px; }
  .sp-expertise-grid article + article { padding-left: 20px; }
}
@media (max-width: 760px) {
  .sp-page h2 { font-size: 48px; }
  .sp-hero { grid-template-columns: 1fr; gap: 35px; padding-top: 40px; padding-bottom: 53px; }
  .sp-hero h1 { font-size: clamp(72px, 14vw, 99px); }
  .sp-hero-intro { font-size: 16px; max-width: 520px; }
  .sp-hero-actions .button { font-size: 13px; }
  .sp-hero-art { min-height: 0; height: 365px; padding: 25px; }
  .sp-art-word { font-size: 58px; padding-top: 18px; }
  .sp-art-connection { position: absolute; width: 240px; right: -70px; top: 158px; transform: rotate(-90deg); margin: 0; }
  .sp-art-connection b { width: 62px; }
  .sp-art-bottom { margin-top: 25px; }
  .sp-art-bottom > span:last-child { display: none; }
  .sp-paths, .sp-models { padding-top: 51px; padding-bottom: 53px; }
  .sp-section-heading, .sp-expertise-heading { grid-template-columns: 1fr; gap: 19px; margin-bottom: 30px; }
  .sp-section-heading > .eyebrow, .sp-expertise-heading > .eyebrow { margin-bottom: 0; }
  .sp-section-heading > p:last-child, .sp-expertise-heading > p:last-child { max-width: 540px; }
  .sp-path-grid, .sp-model-grid { grid-template-columns: 1fr; gap: 20px; }
  .sp-path-card { padding: 27px 25px 0; }
  .sp-path-card h3 { font-size: 43px; }
  .sp-card-top { margin-bottom: 20px; }
  .sp-card-action { margin-inline: -25px; width: calc(100% + 50px); padding-inline: 25px; }
  .sp-path-card > p { max-width: 540px; }
  .sp-expertise { padding-block: 53px; }
  .sp-expertise-grid { grid-template-columns: 1fr; }
  .sp-expertise-grid article { padding: 25px 0; }
  .sp-expertise-grid article + article { padding-left: 0; border-left: 0; border-top: 1px solid var(--dark-line); }
  .sp-expertise-grid article:last-child { padding-bottom: 0; }
  .sp-expertise-grid h3 { margin-top: 16px; font-size: 40px; }
  .sp-expertise-grid article > p { max-width: 480px; font-size: 14px; }
  .sp-expertise-grid .sp-tag-row span { font-size: 11px; }
  .sp-model-card { padding: 25px 23px; }
  .sp-model-card > p { min-height: 0; }
  .sp-model-callout { align-items: flex-start; gap: 12px; margin-top: 19px; padding-bottom: 0; }
  .sp-model-callout > span { line-height: 1; }
  .sp-process, .sp-faq { grid-template-columns: 1fr; gap: 30px; padding-top: 51px; padding-bottom: 54px; }
  .sp-process-intro h2, .sp-faq h2 { margin-bottom: 0; }
  .sp-process-list li { grid-template-columns: 33px 1fr; gap: 20px; }
  .sp-faq-list summary { font-size: 14px; }
  .sp-join-inner { grid-template-columns: 1fr; gap: 27px; padding-block: 44px; }
  .sp-join h2 { font-size: 67px; }
  .sp-join-action > p:first-child { max-width: 380px; font-size: 15px; }
  .sp-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 20px); padding: 23px 22px; }
  .sp-dialog h2 { font-size: 52px; }
  .sp-dialog-bottom { flex-direction: column-reverse; align-items: stretch; gap: 13px; }
  .sp-dialog-bottom > span { max-width: none; text-align: center; }
  .sp-dialog-bottom .button { justify-content: space-between; }
  .sp-preview-values > div { grid-template-columns: 94px 1fr; gap: 12px; font-size: 12px; }
  .sp-preview-actions { flex-direction: column; }
  .sp-preview-actions .button { justify-content: center; }
}
@media (max-width: 390px) {
  .sp-hero h1 { font-size: 73px; }
  .sp-hero-actions .button { font-size: 12px; padding-inline: 16px; }
  .sp-kicker { font-size: 9px; letter-spacing: .07em; }
  .sp-path-card h3, .sp-model-card h3 { font-size: 39px; }
  .sp-definition-list > div { grid-template-columns: 80px 1fr; }
  .sp-field-grid { grid-template-columns: 1fr; gap: 0; }
  .sp-dialog { padding-inline: 18px; }
  .sp-choice span { padding-inline: 10px; font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { .sp-page *, .sp-page *::before, .sp-page *::after { scroll-behavior: auto !important; transition: none !important; } }

/* Dark and accent contexts have distinct foreground roles. */
.sp-hero-art,.sp-expertise{--focus:var(--accent-on-dark)}
.sp-expertise h2 em{color:var(--accent-on-dark)}
.sp-expertise .eyebrow::before{background:var(--accent-on-dark)}
.sp-card-action:hover>span{color:var(--accent-on-dark)}
.sp-dialog h2 em{color:var(--accent-ink)}
.sp-join .eyebrow::before{background:currentColor}
.sp-join .button-dark{background:var(--accent-button-bg);color:var(--accent-button-text);border-color:var(--accent-button-bg)}
.sp-join .button-dark:hover{background:var(--accent-button-hover)}
.sp-choice input:checked+span::before{background:var(--accent-on-dark);border-color:var(--accent-on-dark)}
