@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;600&display=swap');

:root {
  --color-brand: #511270;
  --color-brand-hover: #3E0D57;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F7F6F8;
  --color-text: #17131A;
  --color-text-muted: #5F5A66;
  --color-border: #E4E1E8;
  --border-width: 1px;
  --focus-ring-width: 2px;
  --underline-thickness: 1px;
  --visually-hidden-size: 1px;
  --visually-hidden-margin: -1px;

  --space-0-5: 4px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;
  --space-16: 128px;

  --font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-size-body: 1rem;
  --line-height-body: 1.6;
  --font-size-h1: 3rem;
  --line-height-h1: 1.1;
  --font-size-h2: 2rem;
  --line-height-h2: 1.2;
  --font-size-h3: 1.25rem;
  --line-height-h3: 1.3;
  --font-size-small: 0.875rem;
  --line-height-small: 1.5;

  --radius: 4px;
  --container-max-width: 1120px;
  --container-padding: 24px;
  --container-padding-desktop: 32px;
  --prose-measure: 65ch;
  --content-max-width: 720px;
  --logo-width: var(--space-16);
  --transition-duration: 180ms;
}

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

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

body,
h1,
h2,
h3,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

body {
  min-height: 100vh;
  overflow-wrap: anywhere;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

img,
picture,
video,
canvas {
  height: auto;
}

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

button,
[type='button'],
[type='submit'] {
  cursor: pointer;
}

h1,
h2,
h3 {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

h1 {
  font-size: var(--font-size-h1);
  line-height: var(--line-height-h1);
}

h2 {
  font-size: var(--font-size-h2);
  line-height: var(--line-height-h2);
}

h3 {
  font-size: var(--font-size-h3);
  line-height: var(--line-height-h3);
}

small {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

strong {
  font-weight: var(--font-weight-semibold);
}

a {
  color: var(--color-brand);
  text-decoration-thickness: var(--underline-thickness);
  text-underline-offset: 0.16em;
  transition: color var(--transition-duration) ease;
}

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

:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-brand);
  outline-offset: var(--space-0-5);
}

.skip-link {
  position: absolute;
  width: var(--visually-hidden-size);
  height: var(--visually-hidden-size);
  margin: var(--visually-hidden-margin);
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link:focus {
  z-index: 2;
  top: var(--space-1);
  left: var(--space-1);
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  border: var(--border-width) solid var(--color-brand);
  border-radius: var(--radius);
  background: var(--color-bg);
  padding: var(--space-1) var(--space-2);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-8);
}

.section--soft {
  background: var(--color-bg-soft);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.grid > * {
  min-width: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--space-6);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition: color var(--transition-duration) ease;
}

.btn-primary {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: var(--color-bg);
}

.btn-primary:hover {
  border-color: var(--color-brand-hover);
  background: var(--color-brand-hover);
  color: var(--color-bg);
}

.btn-text {
  min-height: auto;
  padding: var(--space-1) 0;
  border-color: transparent;
  background: transparent;
  color: var(--color-brand);
  text-decoration: underline;
}

.btn-text:hover {
  color: var(--color-brand-hover);
}

.prose {
  max-inline-size: var(--prose-measure);
}

.prose > * + * {
  margin-block-start: var(--space-3);
}

.prose :is(ul, ol) {
  padding-inline-start: var(--space-3);
}

.prose :is(li + li) {
  margin-block-start: var(--space-1);
}

.prose > :is(p, ul, ol) {
  color: var(--color-text-muted);
}

.hero {
  padding-block: var(--space-12);
}

.hero__content,
.section-intro,
.final-cta__content {
  display: grid;
  max-inline-size: var(--content-max-width);
  gap: var(--space-3);
}

.hero__content > p,
.section-intro > p,
.final-cta__content > p,
.service-card > p,
.demo-step p,
.demo-note,
.final-cta__note {
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.service-cards {
  align-items: stretch;
}

.service-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-2);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: border-color var(--transition-duration) ease;
}

.service-card:hover {
  border-color: var(--color-brand);
}

.service-card__price {
  color: var(--color-text) !important;
  font-weight: var(--font-weight-semibold);
}

.service-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.demo-steps {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-step {
  display: grid;
  grid-template-columns: var(--space-4) minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.demo-step__number {
  color: var(--color-text);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-h3);
}

.demo-note {
  max-inline-size: var(--prose-measure);
  margin-top: var(--space-3);
}

.final-cta__content > div {
  display: grid;
  justify-items: start;
  gap: var(--space-2);
}

.final-cta__note {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

.about-copy {
  display: grid;
  max-inline-size: var(--prose-measure);
  gap: var(--space-3);
}

.page-intro {
  padding-block: var(--space-12);
}

.about-copy > p,
.founder p {
  color: var(--color-text-muted);
}

.founders-grid {
  display: grid;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
}

.founder {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
}

.founder + .founder {
  border-top: var(--border-width) solid var(--color-border);
}

.about-closing .btn {
  justify-self: start;
}

.service-block {
  display: grid;
  gap: var(--space-4);
}

.service-block__description {
  display: grid;
  align-content: start;
  max-inline-size: var(--prose-measure);
  gap: var(--space-3);
}

.service-block__description p,
.service-block__timeline,
.service-block__note,
.service-block__details li {
  color: var(--color-text-muted);
}

.service-block__details {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.service-block__price {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.service-block__details > div {
  display: grid;
  gap: var(--space-2);
}

.service-block__details ul {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding-inline-start: var(--space-3);
}

.service-block__note {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

.service-block__details .btn {
  justify-self: start;
}

.site-header {
  position: relative;
  border-bottom: var(--border-width) solid var(--color-border);
  background: var(--color-bg);
}

.site-header__inner {
  position: relative;
  display: flex;
  min-height: var(--space-12);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.site-logo {
  display: inline-block;
  flex: 0 0 auto;
}

.site-logo img {
  width: var(--logo-width);
}

.nav-toggle {
  display: inline-grid;
  width: var(--space-6);
  height: var(--space-6);
  flex: 0 0 auto;
  place-items: center;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.nav-toggle svg {
  width: var(--space-3);
  height: var(--space-3);
}

.nav-toggle__close-icon,
.nav-toggle[aria-expanded='true'] .nav-toggle__menu-icon {
  display: none;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__close-icon {
  display: block;
}

.site-nav {
  position: absolute;
  z-index: 1;
  inset: calc(100% + var(--space-1)) 0 auto;
  display: grid;
  gap: var(--space-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  padding: var(--space-3);
}

.site-nav[hidden] {
  display: none;
}

.site-nav__list,
.site-footer__nav ul {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__list a {
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.site-nav .btn {
  width: 100%;
}

.site-footer {
  border-top: var(--border-width) solid var(--color-border);
  background: var(--color-bg-soft);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-6);
}

.site-footer__brand,
.site-footer__contact {
  display: grid;
  gap: var(--space-2);
}

.site-footer__brand p,
.site-footer__contact p,
.site-footer__copyright {
  color: var(--color-text-muted);
}

.site-footer__contact {
  font-style: normal;
}

.site-footer__contact a {
  width: fit-content;
}

.site-footer__copyright {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }

  .section {
    padding-block: var(--space-12);
  }

  .hero {
    padding-block: var(--space-16);
  }

  .page-intro {
    padding-block: var(--space-16);
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .demo-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .demo-step {
    grid-template-columns: 1fr;
  }

  .founders-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .founder + .founder {
    border-top: 0;
    border-left: var(--border-width) solid var(--color-border);
  }

  .service-block {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8);
  }

  .nav-toggle {
    display: none;
  }

  .site-nav,
  .site-nav[hidden] {
    position: static;
    display: flex !important;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
    border: 0;
    background: transparent;
    padding: 0;
  }

  .site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .site-nav .btn {
    width: auto;
  }

  .site-footer__inner {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .site-footer__copyright {
    grid-column: 1 / -1;
    border-top: var(--border-width) solid var(--color-border);
    padding-top: var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}