/* appDNA website. Uses tokens.css. */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-text);
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

svg {
  display: block;
}

a {
  color: var(--color-link);
}

a:hover {
  color: var(--color-link-hover);
}

:focus-visible {
  outline: 3px solid var(--color-indigo-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.on-dark :focus-visible {
  outline-color: var(--color-mint-500);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-mint-500);
  color: var(--color-ink);
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

.container {
  max-width: calc(var(--container-max) + 2 * var(--container-gutter));
  margin-inline: auto;
  padding-inline: var(--container-gutter);
}

.label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-indigo-500);
}

.on-dark .label {
  color: var(--color-mint-100);
}

/* Header */

.site-header {
  background: var(--color-brand);
  color: var(--color-on-brand);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  min-height: 84px;
  padding-block: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.brand:hover {
  color: inherit;
}

.brand svg,
.footer-brand svg {
  width: 30px;
  height: 30px;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 12px 0;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--color-mint-100);
  text-decoration: underline;
  text-underline-offset: 6px;
}

/* Hero */

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 48px;
  padding-block: clamp(48px, 8vw, 112px) clamp(56px, 8vw, 120px);
}

.hero-text {
  flex: 999 1 560px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 84px);
  line-height: 0.98;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-lead {
  margin: 0;
  max-width: 560px;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.hero-mark {
  flex: 1 1 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.hero-mark svg {
  width: min(100%, 420px, 60vw);
  height: auto;
}

/* Buttons and links */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--size-button);
  padding: 0 30px;
  border: 0;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-primary {
  background: var(--color-action);
  color: var(--color-on-action);
}

.btn-primary:hover {
  background: var(--color-mint-300);
  color: var(--color-on-action);
}

.text-link {
  padding: 16px 4px;
  font-size: 17px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.on-dark .text-link {
  color: var(--color-white);
}

.on-dark .text-link:hover {
  color: var(--color-mint-100);
}

/* Sections */

.section {
  padding-block: var(--section-padding);
}

.section-quiet {
  background: var(--color-surface-quiet);
}

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px 64px;
}

.section-title {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.05;
  font-weight: 750;
  font-stretch: 125%;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: -0.015em;
}

.section-intro {
  margin: 0;
  max-width: 460px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

/* Principles */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 40px 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principle {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 2px solid var(--color-ink);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-indigo-500);
}

.principle p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Apps */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr));
  gap: 24px;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--color-white);
}

.app-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-tile {
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-tile svg {
  width: 30px;
  height: 30px;
}

.tile-indigo {
  background: var(--color-indigo-500);
  color: var(--color-white);
}

.tile-mint {
  background: var(--color-mint-500);
  color: var(--color-ink);
}

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

.app-letter {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  font-weight: 800;
  font-stretch: 125%;
}

.app-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.1;
  font-weight: 750;
  font-stretch: 125%;
  letter-spacing: -0.02em;
}

.app-subtitle {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.app-desc {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  text-wrap: pretty;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: flex;
  align-items: center;
  height: var(--size-tag);
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--color-mist);
  font-size: 14px;
  font-weight: 500;
}

.app-foot {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
}

.app-store {
  padding: 10px 0;
  font-size: 16px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.app-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.app-legal a {
  padding: 12px 0;
  font-size: 14px;
  color: var(--color-text-muted);
  text-underline-offset: 3px;
}

.app-legal a:hover {
  color: var(--color-ink);
}

.app-note {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.status {
  margin: 0;
  font-size: 15px;
  color: var(--color-text-muted);
}

.status.is-error {
  color: var(--color-error);
}

/* About */

.about {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: 48px clamp(32px, 6vw, 96px);
}

.about-head {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
}

.about-quote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.1;
  font-weight: 750;
  font-stretch: 125%;
  letter-spacing: -0.025em;
  color: var(--color-indigo-500);
}

.about-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 18px;
  line-height: 1.6;
}

.about-body p {
  margin: 0;
  text-wrap: pretty;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 48px;
  margin: 16px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.facts div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  font-stretch: 125%;
}

/* Contact */

.contact {
  background: var(--color-brand);
  color: var(--color-on-brand);
}

.contact-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px 64px;
  padding-block: clamp(64px, 8vw, 104px);
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 620px;
}

.contact-text p {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
}

.contact-mail {
  padding: 8px 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: -0.02em;
  color: var(--color-mint-500);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  overflow-wrap: anywhere;
}

.contact-mail:hover {
  color: var(--color-mint-100);
}

/* Footer */

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

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 40px;
  padding-block: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .wordmark {
  font-size: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.footer-links a {
  display: inline-block;
  padding: 12px 0;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.copyright {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

/* Legal */

.page-intro {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-block: clamp(40px, 6vw, 72px) clamp(40px, 6vw, 64px);
}

.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 60px);
  line-height: 1.02;
  font-weight: 800;
  font-stretch: 125%;
  letter-spacing: -0.03em;
}

.page-lead {
  margin: 0;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
}

.legal-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 48px clamp(32px, 5vw, 80px);
  padding-block: clamp(48px, 6vw, 80px) clamp(72px, 9vw, 128px);
}

.legal-nav {
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.legal-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.legal-group h2 {
  margin: 0;
  padding: 0 12px 6px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: -0.01em;
}

.legal-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}

.legal-nav a:hover {
  background: var(--color-mist);
  color: var(--color-ink);
}

.legal-nav a[aria-current="page"] {
  background: var(--color-mist);
  color: var(--color-indigo-500);
  font-weight: 600;
}

.doc-wrap {
  flex: 999 1 560px;
  min-width: 0;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* Rendered Markdown */

.doc-body {
  font-size: 17px;
  line-height: 1.7;
}

.doc-body > * {
  margin: 0;
}

.doc-body > * + * {
  margin-top: 16px;
}

.doc-body > :first-child {
  margin-top: 0;
}

.doc-body h2,
.doc-body h3 {
  font-family: var(--font-display);
  font-stretch: 125%;
  letter-spacing: -0.015em;
}

.doc-body h2 {
  margin-top: 44px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 700;
}

.doc-body h3 {
  margin-top: 28px;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
}

.doc-body p,
.doc-body li {
  text-wrap: pretty;
}

.doc-body ul,
.doc-body ol {
  padding-left: 1.4em;
}

.doc-body li + li {
  margin-top: 6px;
}

.doc-body em:only-child {
  font-family: var(--font-mono);
  font-size: 13px;
  font-style: normal;
  color: var(--color-text-muted);
}

.doc-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.doc-body th,
.doc-body td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.doc-body hr {
  border: 0;
  border-top: 1px solid var(--color-line);
}

/* On phones, show the document before the document list. */
@media (max-width: 860px) {
  .doc-wrap {
    order: -1;
  }
}

/* 404 */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  padding-block: clamp(72px, 12vw, 160px);
}

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

  .btn {
    transition: none;
  }
}