/* Spreadle supplies the typographic and control foundation. Product layouts,
   flow interactions and the blue branching identity belong to Nexdrale. */
:root {
  color-scheme: light;
  --background: #f4f5f1;
  --surface: #fff;
  --elevated: #e7ebf2;
  --foreground: #172033;
  --muted: #5d6576;
  --line: #d4dbe6;
  --accent: #155dfb;
  --accent-text: #1249c2;
  --on-accent: #fff;
  --forest: #0c1423;
  --on-forest: #f6f8fc;
  --forest-muted: #bbc8dc;
}
.dark {
  color-scheme: dark;
  --background: #0c1423;
  --surface: #152338;
  --elevated: #1d304a;
  --foreground: #f6f8fc;
  --muted: #bbc8dc;
  --line: #2d4360;
  --accent: #8bb3ff;
  --accent-text: #b2cdff;
  --on-accent: #122340;
}
[hidden] { display: none !important; }
.button-primary, .service-feature .button, .process-art-mark,
.process-step-links a[aria-current="step"], .process-checkpoint[data-reached="true"]::before,
.hero-copy mark, .theme-slider svg.selected { color: var(--on-accent); }
.button-primary:hover, .service-feature .button:hover { background: color-mix(in srgb, var(--accent) 85%, var(--surface)); }
::selection { color: var(--on-accent); }
.hero-introduction::before {
  background: radial-gradient(ellipse at 5% 25%, rgb(21 93 251 / 24%), transparent 48%),
    radial-gradient(ellipse at 88% 20%, rgb(99 137 205 / 28%), transparent 40%),
    radial-gradient(ellipse at 64% 88%, rgb(21 93 251 / 16%), transparent 40%);
}
.nexdrale-brand { width: auto; gap: 9px; }
.nexdrale-brand img { width: 30px; height: 30px; object-fit: contain; }
.nexdrale-brand > span { font-size: 30px; font-weight: 700; letter-spacing: -1.4px; line-height: 1; }
.theme-slider { padding: 0; }
.theme-slider .theme-thumb { transform: translateX(0); }
.dark .theme-slider .theme-thumb { transform: translateX(40px); }
.menu-toggle svg:last-child { display: none; }
.menu-toggle[aria-expanded="true"] svg:first-child { display: none; }
.menu-toggle[aria-expanded="true"] svg:last-child { display: block; }
.footer-cta, .footer-bottom { border-color: var(--line); }
.footer-cta .eyebrow { color: var(--muted); }
.dark .footer-social .icon-button { color: var(--muted); }
.footer-bottom a:hover, .footer-contact a:hover { color: var(--accent-text); }
.trademark { font-size: 9px; margin-top: 20px; max-width: 90ch; }
.talk-launcher { color: var(--on-accent); }
.talk-launcher:hover { background: color-mix(in srgb,var(--accent) 85%,var(--surface)); }
.talk-option { background: #172b48; border-color: #415e89; color: #f6f8fc; }
.talk-option:hover { background: #25446b; }
.talk-option-icon { background: rgb(139 179 255 / 13%); color: #9bbdff; }
.process-progress > span { width: 33.333%; }

/* The interactive sample uses the same case-preview container as Spreadle. */
.nexdrale-demo .section-heading, .nexdrale-questions .section-heading { display: block; }
.nexdrale-demo .section-heading > p { margin-top: 16px; }
.nexdrale-demo .case-preview { border: 2px solid color-mix(in srgb,var(--foreground) 30%,var(--background)); border-radius: 26px; background: transparent; gap: 32px; padding: 32px; align-items: center; }
.nexdrale-demo .case-copy { padding: 12px; }
.nexdrale-demo .case-copy h3 { font-size: clamp(28px,3vw,40px); letter-spacing: -.035em; }
.nexdrale-demo .case-copy > p:not(.eyebrow) { color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 20px; max-width: 44ch; }
.nexdrale-demo .case-copy .demo-disclosure { font-size: 11px; }
.conversation { border: 1px solid var(--line); border-radius: 20px; background: var(--surface); min-width: 0; overflow: hidden; }
.conversation-header { display: flex; align-items: center; gap: 12px; padding: 18px; border-bottom: 1px solid var(--line); }
.sample-avatar { width: 42px; height: 42px; display: grid; place-items: center; background: var(--elevated); color: var(--accent-text); border-radius: 12px; }
.conversation-header strong { font-size: 14px; display: block; }
.conversation-header span:not(.sample-avatar) { font-size: 10px; color: var(--muted); display: block; }
.conversation-header .reset-demo { margin-left: auto; width: 36px; height: 36px; }
.conversation-body { height: 270px; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 14px; scrollbar-width: thin; }
.message { padding: 14px 16px; border-radius: 14px; max-width: 90%; flex-shrink: 0; font-size: 13px; line-height: 1.65; }
.message-business { background: var(--elevated); border: 1px solid var(--line); border-bottom-left-radius: 4px; align-self: flex-start; }
.message-customer { background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 4px; align-self: flex-end; }
.conversation-choices { padding: 0 24px 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.conversation-choices button { border: 1px solid var(--line); background: var(--elevated); border-radius: 9px; min-height: 44px; padding: 10px 13px; font-size: 12px; font-weight: 600; color: var(--accent-text); }
.conversation-choices button:hover { background: var(--line); }
.conversation-footer { display: flex; align-items: center; gap: 8px; padding: 13px 20px; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.faq-list { max-width: 850px; }
.faq-list details { border-bottom: 1px solid var(--line); padding-block: 22px; }
.faq-list summary { display: flex; justify-content: space-between; gap: 24px; cursor: pointer; list-style: none; font-size: 15px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent-text); font-size: 24px; line-height: 1; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details > p { margin-top: 16px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.legal-toc { display: flex; flex-direction: column; gap: 8px; padding-block: 24px; border-block: 1px solid var(--line); }
.legal .legal-toc a, .legal section a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.legal-intro { font-size: 18px; }
.legal-date { font-size: 12px; }
.not-found { padding-block: 50px 100px; min-height: 60vh; }
.not-found h1 { font-size: clamp(40px,6vw,80px); letter-spacing: -.05em; }
.not-found > p:not(.eyebrow) { color: var(--muted); margin-block: 25px; }
.nexdrale-hero .hero-introduction { padding-block: clamp(156px,12vw,190px) 64px; }
.nexdrale-hero { padding-bottom: 0; }
.routing-preview { max-width: 1400px; border: 2px solid color-mix(in srgb,var(--foreground) 30%,var(--background)); border-radius: 26px; padding: 32px; }
.routing-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 27px; border-bottom: 1px solid var(--line); }
.routing-heading .eyebrow { margin-bottom: 10px; }
.routing-heading h2 { font-size: clamp(23px,2.3vw,32px); letter-spacing: -.035em; }
.example-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.routing-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(32px,5vw,80px); padding-block: 32px 20px; }
.route-map { min-width: 0; }
.route-origin { display: flex; gap: 16px; align-items: center; border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--surface); }
.route-origin img { width: 42px; height: 42px; object-fit: contain; }
.route-origin h3 { font-size: 20px; margin-top: 6px; letter-spacing: -.03em; }
.route-label { display: block; color: var(--muted); font-size: 11px; }
.route-connector { display: grid; place-items: center; height: 42px; color: var(--accent-text); }
.route-prompt { display: flex; gap: 12px; align-items: center; padding: 17px 20px; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; font-weight: 600; }
.route-prompt svg { color: var(--accent-text); }
.route-branches { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin-top: 13px; }
.route-choice { display: grid; grid-template-columns: 1fr auto; gap: 12px 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--elevated); color: var(--foreground); padding: 16px 12px; text-align: left; }
.route-choice > svg:first-child { color: var(--accent-text); }
.route-choice > span { grid-column: 1; grid-row: 2; font-size: 11px; font-weight: 600; }
.route-choice > svg:last-child { grid-column: 2; grid-row: 2; align-self: center; }
.route-choice[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.route-choice[aria-pressed="true"] > svg { color: var(--on-accent); }
.route-result { display: flex; align-items: center; gap: 13px; border: 1px solid var(--line); border-radius: 14px; padding: 17px 20px; }
.route-result-icon { display: grid; place-items: center; width: 34px; height: 34px; flex-shrink: 0; color: var(--accent-text); background: var(--elevated); border-radius: 9px; }
.route-result strong { display: block; font-size: 13px; font-weight: 600; margin-top: 4px; }
.route-map-note { font-size: 11px; color: var(--muted); margin-top: 12px; }
.routing-preview > .demo-disclosure, .routing-preview > noscript p { color: var(--muted); font-size: 11px; line-height: 1.8; margin-top: 8px; }
.provider-note { max-width: 1400px; display: flex; align-items: center; gap: 16px; padding-block: 30px; margin-top: 20px; }
.provider-note > svg { color: var(--accent-text); }
.provider-note strong { font-size: 13px; font-weight: 600; }
.provider-note p { font-size: 11px; color: var(--muted); margin-top: 5px; }
.provider-note > a { margin-left: auto; display: inline-flex; align-items: center; gap: 10px; font-size: 12px; white-space: nowrap; color: var(--accent-text); }
.nexdrale-capabilities { max-width: 1400px; padding-top: 64px; }
.nexdrale-capabilities .section-heading, .setup-section .section-heading { display: block; }
.nexdrale-capabilities .section-heading > p, .setup-section .section-heading > p { max-width: 55ch; margin-top: 18px; }
.capability-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.capability-card { padding: clamp(26px,3vw,42px); border: 2px solid color-mix(in srgb,var(--foreground) 30%,var(--background)); border-radius: 26px; }
.capability-icon { display: inline-flex; color: var(--accent-text); margin-bottom: 30px; }
.capability-card h3 { max-width: 19ch; font-size: clamp(25px,2.3vw,33px); line-height: 1.2; letter-spacing: -.035em; }
.capability-card > p { font-size: 14px; color: var(--muted); max-width: 48ch; margin-top: 20px; }
.capability-card ul { display: grid; gap: 12px; margin-top: 28px; }
.capability-card li { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.capability-card li svg { color: var(--accent-text); }
.control-section { max-width: 1400px; display: grid; grid-template-columns: 1fr 1.15fr; gap: 90px; padding-block: 70px; border-block: 1px solid var(--line); }
.control-section > div > p:last-child { color: var(--muted); font-size: 14px; margin-top: 22px; max-width: 36ch; }
.control-details { display: grid; gap: 30px; }
.control-details article { display: flex; align-items: flex-start; gap: 18px; }
.control-details article > svg { margin-top: 3px; color: var(--accent-text); }
.control-details h3 { font-size: 21px; line-height: 1.3; letter-spacing: -.025em; }
.control-details p { color: var(--muted); font-size: 13px; line-height: 1.8; margin-top: 9px; }
.setup-section { max-width: 1400px; }
.setup-path { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; }
.setup-path li { border-top: 2px solid var(--line); padding-top: 25px; }
.setup-symbol { color: var(--accent-text); margin-bottom: 22px; }
.setup-path h3 { font-size: clamp(23px,2vw,28px); letter-spacing: -.035em; }
.setup-path p { color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 18px; max-width: 36ch; }
.nexdrale-questions { max-width: 1400px; padding-top: 20px; }
@media (max-width: 899px) {
  .nexdrale-demo .case-preview { grid-template-columns: 1fr; padding: 24px; gap: 28px; }
  .routing-layout { grid-template-columns: 1fr; gap: 32px; }
  .routing-layout .conversation { width: 100%; }
  .control-section { grid-template-columns: 1fr; gap: 36px; padding-block: 55px; }
  .setup-path { gap: 24px; }
  .capability-grid { gap: 18px; }
}
@media (max-width: 600px) {
  .nexdrale-hero .hero-introduction { padding-block: 128px 48px; }
  .routing-preview { padding: 22px; border-radius: 22px; }
  .routing-heading { display: block; padding-bottom: 21px; }
  .routing-heading h2 { font-size: 25px; }
  .example-label { display: block; margin-top: 14px; }
  .routing-layout { padding-top: 24px; }
  .route-origin { padding: 15px; gap: 12px; }
  .route-origin img { width: 34px; height: 34px; }
  .route-origin h3 { font-size: 18px; }
  .route-prompt { padding: 14px; gap: 10px; font-size: 12px; }
  .route-branches { gap: 6px; }
  .route-choice { padding: 12px 8px; gap: 12px 3px; }
  .route-choice > span { font-size: 10px; }
  .route-result { padding: 14px; gap: 10px; }
  .route-result strong { font-size: 11px; }
  .route-map-note { font-size: 10px; }
  .provider-note { flex-wrap: wrap; align-items: flex-start; gap: 12px; }
  .provider-note > div { flex: 1; }
  .provider-note > a { width: 100%; margin-left: 38px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { padding: 26px; border-radius: 22px; }
  .capability-card h3 { font-size: 28px; }
  .capability-icon { margin-bottom: 24px; }
  .setup-path { grid-template-columns: 1fr; gap: 30px; }
  .setup-path li { padding-top: 22px; }
  .setup-symbol { margin-bottom: 18px; }
  .nexdrale-brand img { width: 25px; height: 25px; }
  .nexdrale-brand > span { font-size: 26px; }
  .nexdrale-brand { gap: 7px; }
  .nexdrale-demo .case-preview { padding: 18px; }
  .nexdrale-demo .case-copy { padding: 3px; }
  .conversation-header { padding: 14px; gap: 10px; }
  .conversation-header strong { font-size: 12px; }
  .conversation-header span:not(.sample-avatar) { font-size: 9px; }
  .conversation-body { padding: 16px; }
  .conversation-choices { padding: 0 16px 16px; }
}
@media (max-width: 359px) {
  .nexdrale-brand img { width: 21px; height: 21px; }
  .nexdrale-brand > span { font-size: 23px; }
  .nexdrale-brand { gap: 5px; }
}