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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[hidden] {
  display: none !important;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 0.75rem;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin: 0 0 1rem;
  color: var(--color-muted);
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

address {
  font-style: normal;
}

/* ---------- Header ---------- */

body>header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body>header nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

body>header nav>a img {
  height: 40px;
  width: auto;
}

#desktop-menu {
  display: none;
  align-items: center;
  gap: 2rem;
  font-weight: 600;
}

#desktop-menu a[aria-current="page"] {
  color: var(--color-primary);
}

#desktop-menu li:last-child a {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
}

#desktop-menu li:last-child a:hover {
  color: var(--color-primary-contrast);
  opacity: 0.9;
}

#menu-toggle {
  background: none;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

#mobile-menu {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
}

@media (min-width: 768px) {
  #desktop-menu {
    display: flex;
  }

  #menu-toggle {
    display: none;
  }

  #mobile-menu {
    display: none !important;
  }
}

/* ---------- Main layout ---------- */

main {
  display: block;
}

main>section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

main>section>h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  margin-top: 1rem;
  border-radius: 4px;
  background: var(--color-primary);
}

[data-align="center"] {
  text-align: center;
}

section[data-align="center"]>h2::after {
  margin-left: auto;
  margin-right: auto;
}

[data-grid] {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

[data-split] {
  display: grid;
  gap: 3rem;
  align-items: center;
}

[data-actions] {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

[data-align="center"] [data-actions] {
  justify-content: center;
}

@media (min-width: 640px) {
  [data-grid="4"] {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  [data-grid="2"] {
    grid-template-columns: repeat(2, 1fr);
  }

  [data-grid="3"] {
    grid-template-columns: repeat(3, 1fr);
  }

  [data-split] {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  [data-grid="4"] {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Hero and banner ---------- */

#hero,
#banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  max-width: none;
  padding: 0;
}

#hero>img,
#banner>img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

#hero::before,
#banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
}

#banner {
  height: 14rem;
}

@media (min-width: 768px) {
  #banner {
    height: 18rem;
  }
}

#hero>div {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 1.5rem;
  text-align: center;
}

#hero p {
  font-size: 1.125rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

#hero [data-eyebrow] {
  color: var(--color-primary);
  font-size: 0.85rem;
}

[data-eyebrow] {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

#hero a[data-variant],
main a[data-variant] {
  margin-top: 0.5rem;
}

/* ---------- Buttons ---------- */

a[data-variant] {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 700;
  border: 1px solid transparent;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

a[data-variant="primary"] {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

a[data-variant="primary"]:hover {
  color: var(--color-primary-contrast);
  opacity: 0.9;
}

a[data-variant="outline"] {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-text);
}

a[data-variant="outline"]:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* ---------- Cards ---------- */

article,
blockquote,
details {
  background: var(--color-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
}

article {
  display: flex;
  flex-direction: column;
}

article:nth-child(odd) {
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
}

article p {
  flex: 1;
}

article img {
  width: 100%;
  height: 12rem;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

article img[data-icon] {
  width: 6rem;
  height: 6rem;
  object-fit: contain;
  margin: 0 auto 1.5rem;
}

article a,
article span {
  margin-top: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-block;
}

#xero-cards article {
  text-align: center;
  padding: 2rem;
}

[data-panel] {
  display: flex;
  flex-direction: column;
  padding: 2.5rem;
  border-radius: var(--radius);
  background: var(--color-surface);
}

[data-panel] p {
  flex: 1;
}

[data-panel] a[data-variant] {
  align-self: flex-start;
  margin-top: 2rem;
}

#setup-panel {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

#setup-panel h3,
#setup-panel p {
  color: inherit;
}

#setup-panel a[data-variant] {
  background: var(--color-primary-contrast);
  color: var(--color-text);
}

#apps-panel span {
  margin-top: 2rem;
  align-self: flex-start;
}

/* ---------- Cloud feature box ---------- */

#cloud {
  padding: 2.5rem;
  margin: 0 auto 6rem;
  background: var(--color-surface);
  border-radius: var(--radius);
}

#cloud img {
  width: 18rem;
  max-width: 100%;
  margin: 0 auto;
}

/* ---------- Services accordion ---------- */

#services-list details {
  padding: 1.5rem 2rem;
}

#services-list details+details {
  margin-top: 1rem;
}

#services-list details[open] {
  border-color: var(--color-primary);
}

#services-list summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

#services-list summary::-webkit-details-marker {
  display: none;
}

#services-list summary::after {
  content: "\25BE";
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

#services-list details[open] summary::after {
  transform: rotate(180deg);
}

#services-list details>div {
  margin-top: 1.5rem;
  line-height: 1.7;
  color: var(--color-muted);
}

#services-list details>div>p {
  margin-bottom: 1.5rem;
}

#services-list details>div>div+div {
  margin-top: 1.5rem;
}

#services-list h3 {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

/* ---------- Team ---------- */

#team-grid li {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
}

#team-grid img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

#team-grid p {
  padding: 1rem;
  margin: 0;
  text-align: center;
  font-weight: 700;
  color: var(--color-text);
}

/* ---------- Testimonials ---------- */

blockquote {
  margin: 0;
  display: flex;
  flex-direction: column;
  border-left: 4px solid var(--color-primary);
  padding: 2rem;
}

blockquote>p:first-of-type {
  flex: 1;
  color: var(--color-text);
  line-height: 1.7;
}

blockquote footer {
  margin-top: 1.5rem;
}

blockquote footer p {
  margin: 0;
}

blockquote footer p:first-child {
  font-weight: 700;
  color: var(--color-text);
}

blockquote footer p+p {
  font-size: 0.9rem;
}

/* ---------- Contact ---------- */

#contact-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  gap: 3rem;
}

#contact-layout>section {
  padding: 0;
}

#office {
  margin-top: 2.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
}

#office address {
  color: var(--color-muted);
  line-height: 1.7;
}

#contact-info img {
  margin-top: 2.5rem;
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
}

#contact-form {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
}

#contact-form form>div,
#contact-form form>fieldset {
  margin-bottom: 1.25rem;
}

#contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

#contact-form input,
#contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  font: inherit;
}

#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

#contact-form textarea {
  resize: vertical;
}

#contact-form legend {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

#contact-form span {
  color: var(--color-primary);
}

#contact-form fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 1.25rem;
}

#name-fields {
  display: grid;
  gap: 1rem;
}

#name-fields label {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--color-muted);
}

@media (min-width: 640px) {
  #name-fields {
    grid-template-columns: 1fr 1fr;
  }
}

#contact-form button[type="submit"] {
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border: 0;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

#contact-form button[type="submit"]:hover {
  opacity: 0.9;
}

#contact-form>form>p {
  font-size: 0.9rem;
}

/* ---------- Legal ---------- */

#legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

#legal section+section {
  margin-top: 2.5rem;
}

#legal h2 {
  font-size: 1.75rem;
  color: var(--color-text);
}

/* ---------- Footer ---------- */

body>footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body>footer>div {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

body>footer>div>img {
  height: 32px;
  width: auto;
}

body>footer a:hover {
  color: var(--color-primary);
}

@media (min-width: 768px) {
  body>footer>div {
    flex-direction: row;
  }
}