:root {
  color-scheme: dark;
  --canvas: #101114;
  --surface: #0d1925;
  --border: #263b4b;
  --line-soft: rgba(167, 183, 194, 0.13);
  --text: #f3f7f8;
  --text-soft: #a7b7c2;
  --text-muted: #708694;
  --blue: #6f9cff;
  --card-blue: #28569f;
  --card-blue-deep: #234d91;
  --paper: #f5f7f7;
  --paper-text: #10202c;
  --page-width: 1200px;
  --page-gutter: 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--canvas);
}

* { box-sizing: border-box; }
html { background: var(--canvas); }

body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 50% -18%, rgba(111, 156, 255, 0.12), transparent 38%), var(--canvas);
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 3px solid rgba(111, 156, 255, 0.82);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--ui-text);
  background: var(--ui-inset);
  box-shadow: var(--ui-inset-shadow);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus { transform: none; }

.site-navigation {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 78px;
  padding-top: 8px;
  pointer-events: none;
}

.site-header {
  position: relative;
  width: min(var(--page-width), calc(100% - (var(--page-gutter) * 2)));
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-inline: auto;
  padding: 0 8px 0 12px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: rgba(7, 17, 27, 0.22);
  pointer-events: auto;
  transition: border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(244, 244, 245, 0.13);
  background: rgba(9, 20, 30, 0.92);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.045);
  -webkit-backdrop-filter: blur(18px) saturate(122%);
  backdrop-filter: blur(18px) saturate(122%);
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.nav-brand {
  position: relative;
  z-index: 2;
  gap: 8px;
  padding-inline: 2px 8px;
}

.brand-logo {
  width: 24px;
  height: 29px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 5px 10px rgba(73, 200, 166, 0.12));
}

.desktop-nav {
  position: absolute;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 4px;
  transform: translateX(-50%);
}

.nav-menu-group { position: relative; }
.nav-menu-group summary { list-style: none; }
.nav-menu-group summary::-webkit-details-marker { display: none; }

.nav-menu-trigger,
.nav-direct-link {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 13px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 520;
  white-space: nowrap;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.nav-menu-trigger:hover,
.nav-menu-group[open] .nav-menu-trigger,
.nav-direct-link:hover {
  color: var(--text);
  background: rgba(243, 247, 248, 0.045);
}

.nav-menu-trigger svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 180ms ease;
}

.nav-menu-group[open] .nav-menu-trigger svg { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 15px);
  left: 50%;
  width: 365px;
  display: grid;
  gap: 2px;
  padding: 8px;
  border: 1px solid rgba(167, 183, 194, 0.16);
  border-radius: 16px;
  background: rgba(9, 20, 30, 0.98);
  box-shadow: 0 28px 72px rgba(1, 6, 11, 0.5), inset 0 1px 0 rgba(243, 247, 248, 0.045);
  transform: translateX(-50%);
  -webkit-backdrop-filter: blur(22px) saturate(118%);
  backdrop-filter: blur(22px) saturate(118%);
}

.nav-dropdown > span {
  padding: 10px 12px 7px;
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-dropdown a {
  min-height: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 11px;
  transition: background 180ms ease, transform 180ms ease;
}

.nav-dropdown a:hover { background: rgba(243, 247, 248, 0.045); transform: translateX(2px); }
.nav-dropdown strong { font-size: 13px; font-weight: 610; }
.nav-dropdown small { margin-top: 3px; color: var(--text-muted); font-size: 11px; line-height: 1.4; }

.nav-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 7px;
}

.nav-login,
.nav-get-started {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 620;
}

.nav-login { min-width: 78px; color: #dce7ff; }

.nav-get-started {
  min-width: 102px;
  border: 1px solid #dbe5e7;
  color: var(--ui-text);
  background: var(--ui-inset);
  box-shadow: var(--ui-inset-shadow);
  box-shadow: inset 0 1px 0 #fff, 0 5px 14px rgba(0, 0, 0, 0.18);
}

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

.enterprise-page {
  width: min(940px, calc(100% - 48px));
  flex: 1;
  margin-inline: auto;
  padding-bottom: 96px;
}

.page-heading {
  max-width: 640px;
  margin: 42px auto 34px;
  text-align: center;
}

.page-heading > span,
.offer-card .card-heading > span {
  display: block;
  margin-bottom: 13px;
  color: rgba(232, 239, 250, 0.72);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 15px;
  font-size: clamp(36px, 4.2vw, 46px);
  font-weight: 580;
  letter-spacing: -0.052em;
  line-height: 1.02;
}

.page-heading p {
  max-width: 580px;
  margin: 0 auto;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.65;
}

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.contact-card,
.offer-card {
  min-width: 0;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  color: #fff;
  box-shadow: 0 24px 64px rgba(0, 6, 13, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.contact-card { background: var(--ui-surface); }

.offer-card {
  display: flex;
  flex-direction: column;
  background: var(--ui-surface);
}

.card-heading { margin-bottom: 26px; }

.card-heading h2 {
  margin-bottom: 8px;
  font-size: 25px;
  font-weight: 620;
  letter-spacing: -0.032em;
  line-height: 1.16;
}

.card-heading p {
  margin-bottom: 0;
  color: rgba(243, 247, 248, 0.76);
  font-size: 14px;
  line-height: 1.55;
}

form { display: grid; gap: 17px; }

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.field { display: grid; gap: 7px; }

.field label {
  color: #fff;
  font-size: 13px;
  font-weight: 570;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--ui-field-border);
  border-radius: var(--ui-radius-control);
  outline: 0;
  color: var(--ui-text);
  background: var(--ui-inset);
  box-shadow: var(--ui-inset-shadow);
  transition: background-color 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
}

.field input { height: 50px; padding: 0 14px; }

.field textarea {
  min-height: 126px;
  padding: 13px 14px;
  resize: vertical;
  line-height: 1.5;
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ui-placeholder); }

.field input:focus,
.field textarea:focus {
  border-color: var(--ui-focus);
  background: var(--ui-inset);
  outline: 2px solid var(--ui-focus);
  outline-offset: 3px;
  box-shadow: var(--ui-inset-shadow);
}

.website-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

form button {
  width: 100%;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 2px;
  border: 0;
  border-radius: var(--ui-radius-control);
  color: #fff;
  background: #071521;
  font-size: 14px;
  font-weight: 650;
}

form button:hover { cursor: pointer; }

form button:disabled {
  cursor: wait;
  opacity: 0.72;
}

form button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.form-status {
  margin: -2px 0 0;
  padding: 11px 13px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--ui-radius-control);
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
}

.form-status[hidden] { display: none; }
.form-status.is-success { background: rgba(9, 59, 50, 0.58); }
.form-status.is-error { background: rgba(96, 30, 38, 0.58); }

.form-note {
  margin: 16px 0 0;
  color: rgba(232, 239, 250, 0.75);
  font-size: 12px;
  line-height: 1.55;
}

.form-note a {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 3px;
}

.offer-card .card-heading { margin-bottom: 30px; }

.offer-card .card-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(40px, 4.3vw, 50px);
  font-weight: 540;
  letter-spacing: -0.05em;
}

.offer-card .card-heading p {
  max-width: 340px;
  color: rgba(243, 247, 248, 0.78);
  font-size: 15px;
  line-height: 1.62;
}

.offer-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.offer-list h3 {
  margin-bottom: 22px;
  color: #fff;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.offer-list ul {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.offer-list li {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  align-items: start;
  gap: 11px;
  color: rgba(243, 247, 248, 0.82);
  font-size: 15px;
  line-height: 1.55;
}

.offer-list li span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  border-radius: 50%;
  color: #d5fff4;
  background: rgba(7, 45, 48, 0.38);
  font-size: 12px;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line-soft);
  background: #07111b;
}

.footer-meta {
  width: min(var(--page-width), calc(100% - (var(--page-gutter) * 2)));
  margin-inline: auto;
  padding-top: 72px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(180px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(64px, 9vw, 132px);
  padding-bottom: 64px;
}

.footer-brand { align-self: start; width: fit-content; font-size: 17px; }

.footer-navigation {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 58px);
}

.footer-column h2 {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.footer-column > div {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 4px;
}

.footer-column a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
  transition: color 170ms ease;
}

.footer-column a:hover { color: var(--text-soft); }

.footer-base {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line-soft);
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.footer-social a {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 170ms ease;
}

.footer-social a:hover { color: var(--blue); }

.footer-social svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-social rect,
.footer-social circle,
.footer-social path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-social svg > path:first-child:not(.solid),
.footer-social .solid { fill: currentColor; stroke: none; }

@media (max-width: 820px) {
  :root { --page-gutter: 20px; }
  .site-navigation { height: 72px; padding-top: 7px; }

  .site-header,
  .site-header.is-scrolled {
    height: 58px;
    padding: 0 7px 0 9px;
    border-color: rgba(167, 183, 194, 0.13);
    border-radius: 14px;
    background: rgba(9, 21, 31, 0.9);
    box-shadow: 0 13px 36px rgba(1, 7, 12, 0.25), inset 0 1px 0 rgba(243, 247, 248, 0.04);
    -webkit-backdrop-filter: blur(16px) saturate(118%);
    backdrop-filter: blur(16px) saturate(118%);
  }

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

  .mobile-menu-trigger {
    position: relative;
    z-index: 3;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 11px;
    color: var(--text-soft);
    background: transparent;
    cursor: pointer;
  }

  .mobile-menu-trigger svg {
    grid-area: 1 / 1;
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
  }

  .mobile-menu-trigger .close-icon { display: none; }
  .mobile-menu-trigger[aria-expanded="true"] .menu-icon { display: none; }
  .mobile-menu-trigger[aria-expanded="true"] .close-icon { display: block; }

  .mobile-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - 80px - env(safe-area-inset-top));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 7px;
    border: 1px solid rgba(167, 183, 194, 0.16);
    border-radius: 16px;
    background: #09151f;
    box-shadow: 0 24px 64px rgba(1, 7, 12, 0.42), inset 0 1px 0 rgba(243, 247, 248, 0.045);
  }

  .mobile-nav.is-open { display: block; }
  .mobile-nav nav { display: grid; }

  .mobile-nav nav > a {
    min-height: 51px;
    display: flex;
    align-items: center;
    padding: 0 13px;
    border-bottom: 1px solid rgba(167, 183, 194, 0.1);
    border-radius: 10px;
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 560;
  }

  .mobile-nav-actions {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 7px;
    padding-top: 7px;
  }

  .mobile-nav-login,
  .mobile-nav-primary {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 620;
  }

  .mobile-nav-login { color: #dce7ff; }
  .mobile-nav-primary { color: var(--paper-text); background: var(--paper); }

  .enterprise-page { width: min(680px, calc(100% - 40px)); padding-bottom: 80px; }
  .page-heading { margin-top: 34px; }
  .enterprise-grid { grid-template-columns: 1fr; }
  .offer-list ul { gap: 20px; }

  .footer-meta { padding-top: 54px; }
  .footer-main { grid-template-columns: 1fr; gap: 44px; padding-bottom: 48px; }
  .footer-navigation { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 24px; }
  .footer-column a { min-width: 44px; min-height: 44px; }
  .footer-base { min-height: 64px; align-items: center; flex-direction: column; gap: 8px; padding-block: 12px; text-align: center; }
  .footer-social { width: 100%; justify-content: center; }
}

@media (max-width: 540px) {
  :root { --page-gutter: 16px; }
  .brand { font-size: 15px; }
  .enterprise-page { width: calc(100% - 32px); }
  .page-heading { margin: 44px auto 32px; }
  h1 { font-size: clamp(34px, 10.5vw, 40px); }
  .page-heading p { font-size: 15px; }
  .contact-card,
  .offer-card { padding: 26px 22px; border-radius: 12px; }
  .field-row { grid-template-columns: 1fr; gap: 17px; }
  .offer-card .card-heading h2 { font-size: 42px; }
  .footer-navigation { gap-inline: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* Keep targets above 44px throughout the mobile sheet entrance. */
.mobile-nav { --button-height: 48px; }

/* Shared materials for both application pages and the development sandbox.
   Feature styles own layout; these classes own material and interaction. */
:root {
  --ui-canvas: #101114;
  --ui-surface: #191b20;
  --ui-raised: #22252c;
  --ui-hover: #2b3039;
  --ui-inset: #111318;
  --ui-border: #373c46;
  --ui-field-border: #667181;
  --ui-border-soft: #2c3038;
  --ui-text: #f3f5f8;
  --ui-muted: #b0b6c2;
  --ui-placeholder: #959daa;
  --ui-primary: #c5d7ff;
  --ui-primary-hover: #dce7ff;
  --ui-on-primary: #10203a;
  --ui-focus: #9bbdff;
  --ui-danger: #f0aaa6;
  --ui-danger-surface: #302023;
  --ui-radius-control: 12px;
  --ui-radius-card: 22px;
  --ui-radius-dialog: 24px;
  --ui-radius-small: 9px;
  --ui-duration: 180ms;
  --ui-ease: cubic-bezier(.22, 1, .36, 1);
  --ui-edge: inset 0 1px 0 rgb(255 255 255 / 8%);
  --ui-control-shadow: inset 0 1px 0 rgb(255 255 255 / 12%), inset 0 -1px 0 rgb(0 0 0 / 16%), 0 2px 3px rgb(0 0 0 / 16%), 0 6px 16px rgb(0 0 0 / 12%);
  --ui-panel-shadow: inset 0 1px 0 rgb(255 255 255 / 6%), 0 4px 12px rgb(0 0 0 / 12%), 0 24px 56px rgb(0 0 0 / 22%);
  --ui-inset-shadow: inset 0 2px 4px rgb(0 0 0 / 16%), 0 1px 0 rgb(255 255 255 / 3%);
}

/* Also available as ordinary classes for links and existing native controls. */
.dt-button[class] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: var(--button-height, 44px);
  padding: 0 var(--button-padding, 18px);
  border: 1px solid var(--button-border, var(--ui-border));
  border-radius: var(--button-radius, var(--ui-radius-control));
  color: var(--button-text, var(--ui-text));
  background: var(--button-surface, var(--ui-raised));
  box-shadow: var(--button-shadow, var(--ui-control-shadow));
  font-family: inherit;
  font-size: var(--button-font-size, 14px);
  font-weight: 580;
  line-height: 1.25;
  letter-spacing: -.01em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--ui-duration) ease, border-color var(--ui-duration) ease, color var(--ui-duration) ease, box-shadow var(--ui-duration) ease, transform var(--ui-duration) var(--ui-ease);
}
.dt-button--primary {
  --button-surface: var(--ui-primary);
  --button-border: #d2e0ff;
  --button-text: var(--ui-on-primary);
  --button-hover: var(--ui-primary-hover);
  --button-hover-border: #e8efff;
}
.dt-button--secondary { --button-hover: var(--ui-hover); --button-hover-border: #555e6c; }
.dt-button--quiet {
  --button-surface: transparent;
  --button-border: transparent;
  --button-text: var(--ui-muted);
  --button-shadow: none;
  --button-hover: var(--ui-raised);
  --button-hover-border: transparent;
}
.dt-button--danger {
  --button-surface: var(--ui-danger-surface);
  --button-border: #694448;
  --button-text: var(--ui-danger);
  --button-hover: #41272c;
  --button-hover-border: #976066;
  --button-shadow: var(--ui-edge);
}
.dt-button--icon { --button-padding: 0px; min-width: 44px; width: 44px; height: 44px; flex-shrink: 0; }
.dt-button--large { --button-height: 50px; }
.dt-button[class]:hover:not(:disabled):not([aria-disabled="true"]) {
  border-color: var(--button-hover-border, var(--ui-border));
  color: var(--button-text, var(--ui-text));
  background: var(--button-hover, var(--ui-hover));
  transform: translateY(-1px);
}
.dt-button[class]:active:not(:disabled):not([aria-disabled="true"]) { transform: translateY(0); box-shadow: inset 0 2px 4px rgb(0 0 0 / 18%); }
.dt-button[class]:focus-visible { outline: 2px solid var(--ui-focus); outline-offset: 4px; }
.dt-button[class]:is(:disabled,[aria-disabled="true"]) { opacity: .5; cursor: default; transform: none; box-shadow: none; }
.dt-button[class] > svg { flex-shrink: 0; }

.dt-surface[class] {
  color: var(--ui-text);
  border: 1px solid var(--ui-border-soft);
  border-radius: var(--ui-radius-card);
  background: var(--ui-surface);
  box-shadow: var(--ui-panel-shadow);
}
.dt-surface--raised[class] { background: var(--ui-raised); }
.dt-surface--paper[class] { color: var(--paper-text, #0b1b28); border-color: #d1d9de; background: #f8fafb; box-shadow: inset 0 1px 0 #fff, 0 4px 12px rgb(11 27 40 / 4%), 0 18px 40px rgb(11 27 40 / 7%); }

@media (hover: none) { .dt-button[class]:hover:not(:disabled):not([aria-disabled="true"]) { transform: none; } }
@media (prefers-reduced-motion: reduce) { .dt-button[class] { transition: none; } .dt-button[class]:hover:not(:disabled):not([aria-disabled="true"]) { transform: none; } }

/* Deep ink tones belong to page shells. The graph stays a solid graphite field.
   Shared with the enterprise build; no texture, blur, or animated lighting. */
:root {
  --backdrop-canvas: #0c0e13;
  --backdrop-page-image:
    radial-gradient(ellipse 90% 620px at 10% -100px, rgb(29 46 75 / 60%), transparent 80%),
    linear-gradient(128deg, rgb(18 29 47 / 42%), transparent 56%),
    radial-gradient(ellipse 54% 700px at 104% 550px, rgb(43 30 22 / 20%), transparent 82%);
  --backdrop-focus-image:
    radial-gradient(ellipse 100% 660px at 18% -90px, rgb(29 47 76 / 64%), transparent 82%),
    linear-gradient(130deg, rgb(18 29 47 / 44%), transparent 58%),
    radial-gradient(ellipse 58% 700px at 104% 720px, rgb(43 30 22 / 20%), transparent 84%);
  --backdrop-quiet-image:
    radial-gradient(ellipse 96% 540px at 12% -140px, rgb(25 37 58 / 44%), transparent 84%),
    radial-gradient(ellipse 54% 600px at 100% 600px, rgb(35 26 22 / 12%), transparent 86%);
  --backdrop-band-image:
    radial-gradient(ellipse 72% 36% at 22% 48%, rgb(25 39 63 / 48%), transparent 86%),
    radial-gradient(ellipse 54% 38% at 96% 66%, rgb(42 30 22 / 18%), transparent 86%);
  --graph-canvas: #111316;
}

.dt-backdrop[class] {
  background-color: var(--backdrop-canvas);
  background-image: var(--backdrop-image, var(--backdrop-page-image));
  background-repeat: no-repeat;
}
.dt-backdrop--focus { --backdrop-image: var(--backdrop-focus-image); }
.dt-backdrop--quiet { --backdrop-image: var(--backdrop-quiet-image); }

/* One continuous field behind navigation, content and the account workspace. */
.site-shell.dt-backdrop :is(.auth-page, .dashboard-page-main, .pricing-page-main, .pricing-section) {
  background: transparent;
}

/* One shared field below the landing hero; card materials stay independent. */
.landing-page { background: var(--canvas); }
.landing-content {
  position: relative;
  isolation: isolate;
}
.landing-content::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 0 auto;
  height: clamp(100px, 12vw, 160px);
  background: linear-gradient(var(--canvas), transparent);
  pointer-events: none;
}
.landing-content > section {
  background: transparent;
}
.landing-content > .evidence-bento-section::before {
  content: none;
}

/* Match the demo-to-first-feature rhythm throughout the product walkthrough. */
.landing-content { --landing-section-gap: 168px; }
.landing-content > .landing-result-preview-section { padding-top: var(--landing-section-gap); }
.landing-content > .investigation-bento-section { padding-bottom: calc(var(--landing-section-gap) / 2); }
.landing-content > .evidence-bento-section { padding-block: calc(var(--landing-section-gap) / 2); }
.landing-content > .features-section { padding-top: calc(var(--landing-section-gap) / 2); }
@media (max-width: 700px) {
  .landing-content { --landing-section-gap: 118px; }
}

/* Image-backed editorial content keeps its own material outside the landing page. */
.product-story {
  background-image: var(--backdrop-band-image);
  background-color: var(--marketing-dark);
}
.site-footer { background-image: var(--backdrop-quiet-image); }
