:root {
  color-scheme: light dark;
  --page: #f5f5f7;
  --surface: #ffffff;
  --surface-soft: #ededf2;
  --text: #17171b;
  --muted: #5c5c67;
  --line: #d9d9e0;
  --accent: #6848b8;
  --accent-hover: #55399c;
  --on-accent: #ffffff;
  --shadow: 0 22px 70px rgba(28, 22, 48, 0.12);
  --radius: 12px;
  --content: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #101012;
    --surface: #18181c;
    --surface-soft: #222229;
    --text: #f4f4f7;
    --muted: #b6b6c1;
    --line: #35353d;
    --accent: #a98aee;
    --accent-hover: #b99df5;
    --on-accent: #17121f;
    --shadow: 0 22px 70px rgba(0, 0, 0, 0.3);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-inline-size: 100%;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 3;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--page);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-block-end: 1px solid var(--line);
  background: color-mix(in srgb, var(--page) 92%, transparent);
}

.nav-shell,
.container {
  inline-size: min(var(--content), calc(100% - 2rem));
  margin-inline: auto;
}

.nav-shell {
  min-block-size: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 760;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  inline-size: 30px;
  block-size: 30px;
  border-radius: 7px;
}

.primary-nav,
.account-nav,
.footer-links,
.button-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.primary-nav {
  justify-content: center;
}

.nav-link {
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  background: var(--surface-soft);
  color: var(--text);
}

.button {
  min-block-size: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 720;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  border-color: color-mix(in oklab, var(--line) 45%, var(--text));
  background: var(--surface-soft);
}

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

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.button.primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.hero {
  min-block-size: min(760px, calc(100dvb - 73px));
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero-copy {
  max-inline-size: 650px;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-inline-size: 14ch;
  margin-block-end: 1.25rem;
  font-size: clamp(2.75rem, 6vw, 5.5rem);
}

h2 {
  max-inline-size: 19ch;
  margin-block-end: 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  margin-block-end: 0.65rem;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.lead {
  max-inline-size: 58ch;
  margin-block-end: 1.75rem;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.6vw, 1.22rem);
  text-wrap: pretty;
}

.button-row {
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-media {
  position: relative;
}

.hero-media img,
.product-shot {
  inline-size: 100%;
  block-size: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-media figcaption {
  margin-block-start: 0.75rem;
  color: var(--muted);
  font-size: 0.84rem;
}

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

.section {
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

.section-heading {
  max-inline-size: 760px;
  margin-block-end: clamp(2rem, 5vw, 4rem);
}

.section-heading p,
.prose p,
.feature p,
.flow-item p,
.support-option p,
.scope-item p {
  color: var(--muted);
  text-wrap: pretty;
}

.fact-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.fact {
  min-block-size: 190px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--page);
}

.fact:first-child {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--accent) 13%, var(--page)), var(--page) 58%);
}

.fact strong {
  display: block;
  margin-block-end: 0.65rem;
  font-size: clamp(1.3rem, 2.5vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature,
.support-option,
.scope-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.feature:nth-child(2),
.feature:nth-child(3) {
  background: var(--surface-soft);
}

.feature p,
.support-option p,
.scope-item p {
  margin-block-end: 0;
}

.flow {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.flow-copy {
  position: sticky;
  inset-block-start: 2rem;
}

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

.flow-item {
  padding-block: 1.75rem;
  border-block-end: 1px solid var(--line);
}

.flow-item:first-child {
  padding-block-start: 0;
}

.flow-item:last-child {
  border-block-end: 0;
}

.flow-item p {
  margin-block-end: 0;
}

.notice {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.notice h2 {
  font-size: clamp(1.55rem, 3vw, 2.4rem);
}

.notice p:last-child {
  margin-block-end: 0;
}

.scope-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.scope-name {
  display: inline-block;
  margin-block-end: 0.55rem;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  font-weight: 700;
}

.prose {
  max-inline-size: 760px;
}

.prose h2 {
  margin-block-start: 3rem;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.prose h3 {
  margin-block-start: 2rem;
}

.prose li {
  margin-block: 0.5rem;
  color: var(--muted);
}

.page-hero {
  padding-block: clamp(4rem, 10vw, 8rem);
  border-block-end: 1px solid var(--line);
}

.page-hero h1 {
  max-inline-size: 18ch;
}

.site-footer {
  border-block-start: 1px solid var(--line);
  padding-block: 2.5rem;
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 2rem;
}

.footer-shell p {
  max-inline-size: 56ch;
  margin-block-end: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    padding-block-end: 0.7rem;
  }

  .hero {
    min-block-size: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-inline-size: 720px;
  }

  .hero-media {
    max-inline-size: 760px;
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .container {
    inline-size: min(100% - 1.25rem, var(--content));
  }

  .nav-shell {
    min-block-size: 64px;
    gap: 0.7rem;
  }

  .brand span {
    display: none;
  }

  .account-nav .nav-link {
    display: none;
  }

  .primary-nav {
    flex-wrap: wrap;
    overflow-x: visible;
    padding-block-start: 0.35rem;
  }

  .primary-nav .nav-link {
    padding: 0.45rem 0.55rem;
    font-size: 0.86rem;
  }

  .hero,
  .section,
  .page-hero {
    padding-block: 3.5rem;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 4.2rem);
  }

  .fact-grid,
  .feature-grid,
  .flow,
  .scope-grid,
  .support-grid,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .fact:first-child {
    grid-row: auto;
  }

  .flow-copy {
    position: static;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

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

  .button {
    transition: none;
  }
}