/* SPDX-FileCopyrightText: 2026 Progmasoft <support@progmasoft.com> */
/* SPDX-License-Identifier: AGPL-3.0-or-later WITH AdditionRef-Progmasoft-Patent-Grant-1.1 */

:root {
  --blue-700: #004e8c;
  --blue-600: #0066b8;
  --blue-500: #0078d4;
  --blue-100: #dff0ff;
  --violet-600: #6750a4;
  --green-600: #16825d;
  --ink-950: #121417;
  --ink-800: #2a2f35;
  --ink-650: #4c545d;
  --ink-500: #68717c;
  --line: #d9dee4;
  --line-strong: #b9c1ca;
  --surface: #ffffff;
  --surface-muted: #f5f7f9;
  --surface-blue: #f1f8ff;
  --header-surface: rgb(255 255 255 / 94%);
  --hero-background:
    radial-gradient(circle at 85% 14%, rgb(0 120 212 / 10%), transparent 34%),
    linear-gradient(180deg, #fff, #f7fbff);
  --account-background: linear-gradient(
    145deg,
    #f8fbff 0%,
    #fff 55%,
    #f1f8ff 100%
  );
  --danger: #b42318;
  --shadow-sm: 0 2px 8px rgb(18 20 23 / 8%);
  --shadow-md: 0 16px 44px rgb(18 20 23 / 12%);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shell: 1180px;
  color-scheme: light;
}

/* Light is deliberately the product default. Dark mode is an explicit,
   persistent preference so operating-system changes do not surprise users. */
:root[data-theme="dark"] {
  --blue-700: #86c8ff;
  --blue-600: #5db5f7;
  --blue-500: #369fe8;
  --blue-100: #14314a;
  --violet-600: #a88eff;
  --green-600: #5bd5aa;
  --ink-950: #f4f6f8;
  --ink-800: #dfe4e9;
  --ink-650: #bac3cc;
  --ink-500: #98a4af;
  --line: #343c45;
  --line-strong: #53606d;
  --surface: #101317;
  --surface-muted: #171c22;
  --surface-blue: #10283a;
  --header-surface: rgb(16 19 23 / 94%);
  --hero-background:
    radial-gradient(circle at 85% 14%, rgb(54 159 232 / 16%), transparent 34%),
    linear-gradient(180deg, #101317, #131a22);
  --account-background: linear-gradient(
    145deg,
    #131a22 0%,
    #101317 55%,
    #102231 100%
  );
  --danger: #ff8f86;
  --shadow-sm: 0 2px 8px rgb(0 0 0 / 28%);
  --shadow-md: 0 16px 44px rgb(0 0 0 / 42%);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink-950);
  font-family:
    "Segoe UI Variable",
    "Segoe UI",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--blue-600);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  background: var(--header-surface);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-950);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 24px;
  height: 24px;
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 2px;
}

.brand-tile {
  display: block;
}

.brand-tile-slate {
  background: #3b4658;
}

.brand-tile-teal {
  background: #1e7188;
}

.brand-tile-violet {
  background: #7655fa;
}

.brand-tile-orange {
  background: #dc7644;
}

.brand-name {
  color: #8e0000;
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1;
}

:root[data-theme="dark"] .brand-name {
  color: #f23636;
}

.brand-product {
  border-left: 2px solid var(--ink-800);
  margin-left: 5px;
  padding-left: 16px;
  color: var(--ink-800);
  font-size: 16px;
  font-weight: 600;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.preference-controls {
  display: flex;
  gap: 6px;
  align-items: center;
  padding-left: 4px;
}

.preference-controls button,
.preference-controls select {
  min-height: 34px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 6px 9px;
  background: var(--surface);
  color: var(--ink-800);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.preference-controls button:hover,
.preference-controls select:hover {
  border-color: var(--blue-600);
  background: var(--surface-blue);
}

/* The language menu is the native select: the browser supplies the list,
   keyboard handling and the accessible name without any script. */
.preference-controls select {
  display: inline-block;
  font-family: inherit;
}

.preference-controls select:disabled {
  cursor: progress;
  opacity: 0.7;
}

.primary-nav > a {
  color: var(--ink-800);
  font-size: 14px;
  font-weight: 600;
}

.primary-nav > a:hover {
  color: var(--blue-600);
  text-decoration: none;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--blue-600);
  border-radius: var(--radius-sm);
  padding: 10px 21px;
  background: var(--blue-600);
  color: white;
  cursor: pointer;
  font-weight: 650;
  line-height: 1.2;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

.button:hover {
  border-color: var(--blue-700);
  background: var(--blue-700);
  color: white;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.button-small {
  min-height: 36px;
  padding: 8px 15px;
  color: white !important;
}

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink-800);
}

.button-secondary:hover {
  border-color: var(--blue-600);
  background: var(--surface-blue);
  color: var(--blue-700);
}

.button-light {
  border-color: white;
  background: white;
  color: var(--blue-700);
}

.button-light:hover {
  border-color: white;
  background: #eef7ff;
  color: var(--blue-700);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--hero-background);
}

.hero-grid {
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: 78px;
  padding-block: 76px;
}

.hero-copy h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(46px, 5.5vw, 76px);
  font-weight: 720;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.hero-copy h1 span {
  color: var(--blue-600);
}

.hero-lede {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--ink-650);
  font-size: 20px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin: 48px 0 0;
}

.hero-facts div {
  display: grid;
  gap: 2px;
}

.hero-facts dt {
  font-size: 18px;
  font-weight: 700;
}

.hero-facts dd {
  margin: 0;
  color: var(--ink-500);
  font-size: 13px;
}

.system-window {
  overflow: hidden;
  border: 1px solid #c6d1dd;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  transform: perspective(1200px) rotateY(-4deg) rotateX(1deg);
}

.window-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--line);
  padding: 0 17px;
  background: var(--surface-muted);
}

.window-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #a9b2bc;
}

.window-bar code {
  margin-left: auto;
  color: var(--ink-500);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
}

.system-stack {
  padding: 28px;
  background: linear-gradient(145deg, var(--surface), var(--surface-muted));
}

.stack-row {
  display: grid;
  grid-template-columns: 78px 1fr;
  align-items: center;
  gap: 5px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue-500);
  border-radius: var(--radius-md);
  padding: 19px 20px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.stack-row > span {
  grid-row: span 2;
  color: var(--ink-500);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.stack-row strong {
  font-size: 18px;
}

.stack-row small {
  color: var(--ink-500);
}

.stack-project {
  border-left-color: var(--violet-600);
}

.stack-native {
  border-left-color: var(--green-600);
}

.stack-arrow {
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--ink-500);
}

.section {
  padding-block: 96px;
}

.section-muted {
  border-block: 1px solid var(--line);
  background: var(--surface-muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 40px;
}

.section-heading.vertical {
  display: block;
  margin: 0;
}

.section-heading h2,
.callout h2,
.account-landing h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-heading > p,
.section-heading.vertical > p:last-child {
  max-width: 510px;
  margin: 0;
  color: var(--ink-650);
  font-size: 17px;
}

.section-heading.vertical > p:last-child {
  margin-top: 22px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue-500);
  border-radius: var(--radius-md);
  padding: 30px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.product-card.accent-violet {
  border-top-color: var(--violet-600);
}

.product-card.accent-green {
  border-top-color: var(--green-600);
}

.product-card h3 {
  margin: 4px 0 14px;
  font-size: 30px;
  letter-spacing: -0.035em;
}

.product-card > p:not(.eyebrow) {
  margin: 0;
  color: var(--ink-650);
  line-height: 1.65;
}

.product-card > a {
  margin-top: auto;
  padding-top: 24px;
  font-weight: 700;
}

.principles-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(480px, 1.2fr);
  gap: 90px;
}

.principle-list {
  display: grid;
  gap: 0;
}

.principle-list article {
  display: grid;
  grid-template-columns: 55px 1fr;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 27px 0;
}

.principle-list article:first-child {
  padding-top: 0;
}

.principle-list article > span {
  color: var(--blue-600);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.principle-list h3 {
  margin: 0 0 7px;
  font-size: 21px;
}

.principle-list p {
  margin: 0;
  color: var(--ink-650);
}

.callout-section {
  padding-block: 72px;
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  border-radius: var(--radius-lg);
  padding: 52px 58px;
  background: linear-gradient(125deg, #004e8c, #0078d4);
  color: white;
  box-shadow: var(--shadow-md);
}

.callout .eyebrow {
  color: #d8eeff;
}

.callout p:last-child {
  max-width: 650px;
  margin: 16px 0 0;
  color: #e9f5ff;
  font-size: 17px;
}

.site-footer {
  border-top: 1px solid #343a40;
  background: #20252a;
  color: #d8dde2;
}

.site-footer .brand {
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 70px;
  padding-block: 60px;
}

.footer-grid > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-grid p {
  max-width: 430px;
  margin: 12px 0 0;
  color: #aeb6bf;
}

.footer-grid a {
  color: #d8dde2;
}

.footer-grid strong {
  margin-bottom: 7px;
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #3a4148;
  padding-block: 22px;
  color: #aeb6bf;
  font-size: 13px;
}

.account-landing {
  min-height: 70vh;
}

.account-landing-hero {
  border-bottom: 1px solid var(--line);
  padding-block: 100px;
  background: var(--account-background);
}

.account-landing-grid {
  display: grid;
  grid-template-columns: 1fr minmax(390px, 0.75fr);
  align-items: center;
  gap: 90px;
}

.account-landing h1 {
  max-width: 720px;
}

.account-landing-grid > div:first-child > p:not(.eyebrow) {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--ink-650);
  font-size: 19px;
}

.identity-card {
  display: grid;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.identity-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--blue-600);
  color: white;
  font-size: 30px;
  font-weight: 700;
}

.identity-card > div:not(.identity-icon) {
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line);
  padding-block: 15px;
}

.identity-card span {
  color: var(--ink-500);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-grid article {
  border-left: 3px solid var(--blue-500);
  padding: 4px 0 4px 24px;
}

.feature-grid article > span {
  color: var(--blue-600);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12px;
}

.feature-grid h2 {
  margin: 10px 0 8px;
  font-size: 21px;
}

.feature-grid p {
  margin: 0;
  color: var(--ink-650);
}

.account-page {
  min-height: 100vh;
  background: var(--surface-muted);
}

.account-main {
  width: min(calc(100% - 40px), 1080px);
  min-height: calc(100vh - 69px);
  display: grid;
  grid-template-columns: 1fr minmax(420px, 0.8fr);
  align-items: center;
  gap: 80px;
  margin-inline: auto;
  padding-block: 72px;
}

.account-intro h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 62px);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.account-intro > p:not(.eyebrow) {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--ink-650);
  font-size: 18px;
}

.account-trust {
  display: grid;
  gap: 12px;
  margin-top: 36px;
  color: var(--ink-650);
  font-size: 14px;
}

.account-trust span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.account-trust span::before {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #dff6ed;
  color: var(--green-600);
  content: "✓";
  font-size: 11px;
  font-weight: 800;
}

.account-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.auth-form {
  display: grid;
  gap: 21px;
  padding: 38px;
}

.form-heading h2 {
  margin: 0;
  font-size: 27px;
  letter-spacing: -0.025em;
}

.form-heading p {
  margin: 8px 0 0;
  color: var(--ink-650);
}

.form-message {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
}

.form-message-error {
  border: 1px solid #f1aaa4;
  background: #fff2f0;
  color: var(--danger);
}

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

.field-group label {
  color: var(--ink-800);
  font-size: 14px;
  font-weight: 650;
}

.field-group input {
  width: 100%;
  height: 44px;
  border: 1px solid #89939e;
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  background: var(--surface);
  color: var(--ink-950);
}

.field-group input:hover {
  border-color: var(--ink-650);
}

.field-group input:focus {
  border-color: var(--blue-600);
  outline: 2px solid rgb(0 102 184 / 18%);
  outline-offset: 0;
}

.field-group small {
  color: var(--ink-500);
  font-size: 12px;
}

.field-label-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.field-label-row a {
  font-size: 13px;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 64px;
}

.password-toggle {
  position: absolute;
  top: 4px;
  right: 5px;
  height: 36px;
  border: 0;
  border-radius: 3px;
  padding-inline: 10px;
  background: transparent;
  color: var(--blue-700);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.password-toggle:hover {
  background: var(--surface-blue);
}

.auth-submit {
  width: 100%;
  margin-top: 3px;
}

.auth-divider {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.78rem;
  gap: 0.75rem;
  text-transform: uppercase;
}

.auth-divider::before,
.auth-divider::after {
  background: var(--line);
  content: "";
  flex: 1;
  height: 1px;
}

.google-auth-button {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
  width: 100%;
}

.google-auth-button:hover {
  border-color: var(--accent);
}

.consent-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-650);
  font-size: 14px;
  line-height: 1.5;
}

.consent-field input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--violet-600);
}

.form-switch {
  margin: 0;
  color: var(--ink-650);
  text-align: center;
  font-size: 14px;
}

.dashboard-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 270px 1fr;
  background: var(--surface-muted);
}

.dashboard-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-right: 1px solid var(--line);
  padding: 34px 26px;
  background: var(--surface);
}

.account-avatar {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 13px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--blue-500), var(--blue-700));
  color: white;
  font-weight: 750;
}

.dashboard-sidebar > strong {
  font-size: 17px;
}

.dashboard-sidebar > span {
  overflow: hidden;
  width: 100%;
  margin-top: 3px;
  color: var(--ink-500);
  font-size: 12px;
  text-overflow: ellipsis;
}

.dashboard-sidebar nav {
  width: 100%;
  display: grid;
  gap: 4px;
  margin-top: 34px;
}

.dashboard-sidebar nav a {
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--ink-800);
  font-size: 14px;
  font-weight: 600;
}

.dashboard-sidebar nav a:hover,
.dashboard-sidebar nav a.active {
  background: var(--surface-blue);
  color: var(--blue-700);
  text-decoration: none;
}

.dashboard-sidebar-preferences {
  width: 100%;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.dashboard-sidebar-preferences .preference-controls {
  padding-left: 0;
}

.text-button {
  margin-top: auto;
  border: 0;
  padding: 8px 0;
  background: transparent;
  color: var(--blue-700);
  cursor: pointer;
  font-weight: 650;
}

.dashboard-content {
  width: min(calc(100% - 64px), 1050px);
  margin-inline: auto;
  padding-block: 64px;
}

.dashboard-heading h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 50px);
  letter-spacing: -0.04em;
}

.dashboard-heading > p:last-child {
  margin: 12px 0 0;
  color: var(--ink-650);
  font-size: 17px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 38px;
}

.dashboard-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.dashboard-card-wide {
  grid-column: 1 / -1;
}

.card-kicker {
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dashboard-card h2 {
  margin: 8px 0 13px;
  font-size: 22px;
}

.dashboard-card > p {
  margin: 0 0 22px;
  color: var(--ink-650);
}

.detail-list {
  display: grid;
  margin: 0;
}

.detail-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-block: 11px;
}

.detail-list dt {
  color: var(--ink-500);
}

.detail-list dd {
  margin: 0;
  font-weight: 600;
}

.service-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--line);
  padding-block: 16px;
}

.service-row > div {
  display: grid;
}

.service-row span:not(.status-badge) {
  color: var(--ink-500);
  font-size: 13px;
}

.status-badge {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
}

.status-planned {
  background: #fff4ce;
  color: #6a4b00;
}

:root[data-theme="dark"] .form-message-error {
  border-color: #7a3936;
  background: #321b1d;
}

:root[data-theme="dark"] .account-trust span::before {
  background: #15392e;
}

:root[data-theme="dark"] .status-planned {
  background: #493a11;
  color: #ffe58b;
}

:root[data-theme="dark"] .button-light {
  color: #004e8c;
}

.dashboard-state {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px;
  background: var(--surface-muted);
  color: var(--ink-650);
}

.dashboard-state > p {
  margin: 0;
}

.dashboard-state-preferences {
  position: absolute;
  top: 24px;
  right: 24px;
}

.dashboard-error {
  color: var(--danger);
}

@media (max-width: 920px) {
  .hero-grid,
  .account-landing-grid,
  .account-main,
  .principles-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 54px;
  }

  .hero-visual {
    max-width: 620px;
  }

  .product-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 260px;
  }

  .account-main {
    max-width: 650px;
    gap: 42px;
  }

  .dashboard-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .text-button {
    margin-top: 18px;
  }
}

@media (max-width: 680px) {
  .shell,
  .account-main {
    width: min(calc(100% - 28px), var(--shell));
  }

  .site-header,
  .header-inner {
    min-height: 60px;
  }

  .primary-nav > a:not(.button) {
    display: none;
  }

  .preference-controls button span:last-child {
    display: none;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    padding-block: 60px;
  }

  .hero-copy h1 {
    font-size: 44px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-facts {
    gap: 22px;
  }

  .system-window {
    transform: none;
  }

  .system-stack {
    padding: 18px;
  }

  .stack-row {
    grid-template-columns: 1fr;
  }

  .stack-row > span {
    grid-row: auto;
  }

  .section {
    padding-block: 66px;
  }

  .section-heading,
  .callout,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .callout {
    padding: 34px 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .account-landing-hero {
    padding-block: 64px;
  }

  .account-landing-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 50px;
  }

  .account-main {
    padding-block: 50px;
  }

  .auth-form {
    padding: 26px 22px;
  }

  .dashboard-content {
    width: min(calc(100% - 28px), 1050px);
    padding-block: 42px;
  }

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

  .dashboard-sidebar nav {
    grid-template-columns: 1fr;
  }

  .detail-list div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

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

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

/*
 * Right-to-left text. Only the text follows the direction of the language:
 * the page layout, the navigation and code keep their left-to-right
 * arrangement. Blocks of prose run right to left, and short pieces such as
 * links, buttons and list items take the direction of their own first
 * letter, so a product name on its own still reads left to right.
 */
[data-text-direction="rtl"]
  :is(h1, h2, h3, h4, h5, h6, p, blockquote, figcaption, dt, dd, legend) {
  direction: rtl;
}

[data-text-direction="rtl"]
  :is(a, button, label, li, small, strong, span, option, summary) {
  unicode-bidi: plaintext;
}

[data-text-direction="rtl"] :is(code, pre, kbd, samp, input) {
  direction: ltr;
  unicode-bidi: isolate;
}

/* The theme changes in one frame; nothing animates its colours meanwhile. */
.theme-switching,
.theme-switching *,
.theme-switching *::before,
.theme-switching *::after {
  transition: none !important;
}