:root {
  color-scheme: light;
  --bg: #f4f2ec;
  --surface: rgba(250, 247, 240, 0.82);
  --surface-strong: #fbf9f4;
  --surface-soft: #eae6dc;
  --surface-soft-strong: rgba(234, 230, 220, 0.86);
  --text: #111111;
  --text-muted: rgba(17, 17, 17, 0.66);
  --text-inverse: #f4f2ec;
  --border: rgba(17, 17, 17, 0.1);
  --border-strong: rgba(17, 17, 17, 0.16);
  --accent: #2e4057;
  --accent-strong: #223142;
  --accent-soft: rgba(46, 64, 87, 0.11);
  --accent-vivid: #b8860b;
  --accent-vivid-soft: rgba(184, 134, 11, 0.12);
  --accent-google: #1a73e8;
  --header-bg: rgba(244, 242, 236, 0.78);
  --button-fg: #f4f2ec;
  --grid-line: rgba(17, 17, 17, 0.05);
  --hero-glow-a: rgba(184, 134, 11, 0.11);
  --hero-glow-b: rgba(46, 64, 87, 0.08);
  --stage-glow: rgba(184, 134, 11, 0.1);
  --stage-bg-top: rgba(251, 249, 244, 0.94);
  --stage-bg-bottom: rgba(234, 230, 220, 0.92);
  --scan-bg-top: rgba(234, 230, 220, 0.96);
  --scan-bg-bottom: rgba(244, 242, 236, 0.78);
  --contrast-start: #1c1a16;
  --contrast-end: #2a2722;
  --shadow: 0 28px 70px rgba(31, 25, 17, 0.1);
  --shadow-soft: 0 18px 40px rgba(31, 25, 17, 0.08);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 16px;
  --container: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #1c1a16;
    --surface: rgba(42, 39, 34, 0.84);
    --surface-strong: #25221d;
    --surface-soft: #2a2722;
    --surface-soft-strong: rgba(42, 39, 34, 0.92);
    --text: #f4f2ec;
    --text-muted: rgba(244, 242, 236, 0.7);
    --text-inverse: #f4f2ec;
    --border: rgba(244, 242, 236, 0.1);
    --border-strong: rgba(244, 242, 236, 0.16);
    --accent: #9bb1c7;
    --accent-strong: #c1cfdd;
    --accent-soft: rgba(155, 177, 199, 0.16);
    --accent-vivid: #f2c14e;
    --accent-vivid-soft: rgba(242, 193, 78, 0.14);
    --accent-google: #8ab4f8;
    --header-bg: rgba(28, 26, 22, 0.82);
    --button-fg: #1c1a16;
    --grid-line: rgba(244, 242, 236, 0.05);
    --hero-glow-a: rgba(242, 193, 78, 0.08);
    --hero-glow-b: rgba(155, 177, 199, 0.1);
    --stage-glow: rgba(242, 193, 78, 0.08);
    --stage-bg-top: rgba(42, 39, 34, 0.96);
    --stage-bg-bottom: rgba(28, 26, 22, 0.94);
    --scan-bg-top: rgba(52, 48, 42, 0.94);
    --scan-bg-bottom: rgba(33, 30, 25, 0.9);
    --contrast-start: #181612;
    --contrast-end: #23201c;
    --shadow: 0 26px 72px rgba(0, 0, 0, 0.28);
    --shadow-soft: 0 20px 44px rgba(0, 0, 0, 0.22);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Text",
    "SF Pro Display",
    "Helvetica Neue",
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--hero-glow-a), transparent 28%),
    radial-gradient(circle at top right, var(--hero-glow-b), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 72%, white 28%) 0%, var(--bg) 100%);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.hero .container,
.preview .container {
  width: min(calc(100% - 2rem), calc(var(--container) * 1.3));
}

.section {
  padding: 6.5rem 0;
}

.section-tinted {
  background: linear-gradient(180deg, rgba(244, 242, 236, 0.22), var(--surface-soft-strong));
}

.section-contrast {
  background:
    radial-gradient(circle at top right, var(--hero-glow-b), transparent 30%),
    linear-gradient(145deg, var(--contrast-start), var(--contrast-end));
  color: var(--text-inverse);
}

.section-contrast .section-heading p,
.section-contrast .step-card p {
  color: rgba(244, 242, 236, 0.74);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 1.2rem 0;
  backdrop-filter: blur(20px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 2.15rem;
  height: 2.15rem;
  flex: 0 0 auto;
  border-radius: 0.78rem;
  background-image: url("./assets/brand/brand-mark-96.png");
  background-image: image-set(
    url("./assets/brand/brand-mark-96.png") 1x,
    url("./assets/brand/brand-mark-192.png") 2x
  );
  background-position: center;
  background-repeat: no-repeat;
  background-size: 150%;
}

.brand-text,
.brand-footer {
  font-size: 1.05rem;
}

.brand-footer {
  gap: 0.65rem;
}

.brand-footer .brand-mark {
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 0.72rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--text-muted);
}

.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 82%, transparent);
  padding: 0.8rem;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

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

.button-primary {
  color: var(--button-fg);
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  box-shadow: 0 16px 32px rgba(46, 64, 87, 0.22);
}

.button-primary:hover {
  box-shadow: 0 20px 38px rgba(46, 64, 87, 0.28);
}

.button-secondary {
  color: var(--text);
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
  border-color: var(--border);
}

.button-small {
  min-height: 2.75rem;
  padding-inline: 1rem;
}

.button-large {
  min-height: 3.4rem;
  padding-inline: 1.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
}

.hero {
  padding-top: 4.3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.75rem;
  justify-items: center;
  align-items: start;
}

.hero-copy {
  display: grid;
  justify-items: center;
  text-align: center;
  max-width: 50rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  align-items: start;
}

.hero-copy h1,
.section-heading h2,
.final-cta-card h1,
.final-cta-card h2 {
  margin: 1.2rem 0 1rem;
  font-family: inherit;
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 0.95;
  text-wrap: balance;
}

.hero-copy h1 {
  max-width: 12ch;
  font-size: clamp(3.35rem, 7vw, 6rem);
}

.hero-lead,
.section-heading p,
.final-cta-card p,
.footer-copy {
  max-width: 40rem;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin: 2rem 0 0;
}

.app-store-badge-link {
  display: inline-flex;
  line-height: 0;
  border-radius: 999px;
}

.app-store-badge-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 36%, transparent);
  outline-offset: 4px;
}

.app-store-badge {
  display: block;
  width: auto;
  height: clamp(40px, 5vw, 54px);
  max-width: 100%;
}

.hero-product {
  width: 100%;
  display: grid;
  gap: 1.35rem;
}

.hero-carousel-intro {
  text-align: center;
}

.hero-carousel-intro p {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.hero-device-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
  width: 100%;
  padding-inline: 0;
}

.hero-shot {
  margin: 0 -2.25rem;
}

.hero-shot picture,
.showcase-image {
  display: block;
}

.hero-shot img {
  width: 100%;
  height: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-soft) 82%, transparent);
  color: var(--text-muted);
  font-size: 0.83rem;
  font-weight: 600;
}

.chip-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 3rem;
}

.section-heading h2,
.final-cta-card h1,
.final-cta-card h2 {
  font-size: clamp(2.45rem, 4vw, 4.1rem);
}

.problem-grid,
.feature-grid,
.steps-grid,
.audience-grid {
  display: grid;
  gap: 1.2rem;
}

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

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

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

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

.problem-card,
.feature-card,
.step-card,
.audience-card,
.faq-item,
.final-cta-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.problem-card,
.feature-card,
.step-card,
.audience-card {
  padding: 1.5rem;
}

.problem-card h3,
.feature-card h3,
.step-card h3,
.audience-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.problem-card p,
.feature-card p,
.step-card p,
.audience-card p {
  margin: 0;
  color: var(--text-muted);
}

.icon-box {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 14px;
  background:
    linear-gradient(180deg, var(--accent-soft), var(--accent-vivid-soft));
}

.icon-box svg {
  width: 1.35rem;
  height: 1.35rem;
  stroke: var(--accent);
  stroke-width: 1.7;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step-card {
  background: rgba(244, 242, 236, 0.05);
  border-color: rgba(244, 242, 236, 0.08);
  box-shadow: none;
}

.step-number {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-vivid);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.showcase-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
  padding-inline: 0;
}

.showcase-frame {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top, var(--hero-glow-a), transparent 42%),
    color-mix(in srgb, var(--surface-strong) 88%, transparent);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.showcase-card {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  min-width: 0;
}

.showcase-card:nth-child(2) {
  transform: translateY(-0.75rem);
}

.showcase-image img {
  width: 100%;
  height: auto;
}

.showcase-copy {
  margin-top: 1.05rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
  box-shadow: var(--shadow-soft);
}

.showcase-copy h3 {
  margin: 0 0 0.55rem;
  font-size: 1.12rem;
  letter-spacing: -0.03em;
}

.showcase-copy p {
  margin: 0;
  color: var(--text-muted);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  padding: 1.35rem 1.5rem;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
}

.faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding-right: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: -0.1rem;
  right: 0;
  color: var(--text-muted);
  font-size: 1.3rem;
  transition: transform 180ms ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0.9rem 0 0;
  color: var(--text-muted);
}

.landing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.landing-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--text-muted);
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    background-color 180ms ease;
}

.landing-link:hover,
.landing-link:focus-visible {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.landing-link.is-current {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 26%, transparent);
}

.feature-points,
.accountant-list,
.usecase-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-muted);
}

.feature-points li + li,
.accountant-list li + li,
.usecase-list li + li {
  margin-top: 0.55rem;
}

.accountant-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 1.2rem;
}

.accountant-note {
  padding: 1.5rem;
}

.accountant-note p + p {
  margin-top: 0.9rem;
}

.accountant-note p,
.accountant-note li {
  color: var(--text-muted);
}

.section-intro-inline {
  margin-top: -1.75rem;
  margin-bottom: 2.5rem;
  max-width: 46rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.final-cta-card {
  padding: 3rem;
  text-align: center;
  background:
    radial-gradient(circle at top, var(--hero-glow-a), transparent 45%),
    color-mix(in srgb, var(--surface-strong) 88%, transparent);
}

.final-cta-card .eyebrow,
.final-cta-card p {
  margin-inline: auto;
}

.site-footer {
  padding: 1rem 0 2.8rem;
}

.footer-grid,
.footer-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem 1.4rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-store-link {
  margin-top: 1.2rem;
}

.footer-meta {
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.92rem;
}

.legal-main {
  padding-top: 2rem;
}

.legal-layout {
  display: grid;
  gap: 1.75rem;
}

.legal-intro h1 {
  margin: 1rem 0 0.85rem;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.legal-meta {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  font-weight: 600;
}

.legal-callout,
.legal-article {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  box-shadow: var(--shadow-soft);
}

.legal-callout {
  padding: 1rem 1.15rem;
}

.legal-callout p {
  margin: 0;
  color: var(--text-muted);
}

.legal-callout strong {
  color: var(--text);
}

.legal-article {
  padding: 2rem;
}

.legal-prose > :first-child {
  margin-top: 0;
}

.legal-prose > :last-child {
  margin-bottom: 0;
}

.legal-prose h2,
.legal-prose h3 {
  margin-top: 2rem;
  margin-bottom: 0.85rem;
  color: var(--text);
  letter-spacing: -0.03em;
}

.legal-prose h2 {
  font-size: 1.55rem;
}

.legal-prose h3 {
  font-size: 1.1rem;
}

.legal-prose p,
.legal-prose ul {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.legal-prose ul {
  padding-left: 1.2rem;
}

.legal-prose li + li {
  margin-top: 0.5rem;
}

.legal-prose code {
  padding: 0.08rem 0.34rem;
  border-radius: 0.45rem;
  background: color-mix(in srgb, var(--surface-soft) 88%, transparent);
  color: var(--accent);
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.92em;
}

.legal-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.legal-prose .contact-block {
  white-space: pre-line;
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.js-enabled .legal-page .reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .button,
  .reveal {
    transition: none;
  }
}

@media (max-width: 1080px) {
  .problem-grid,
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .accountant-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .steps-grid,
  .hero-grid,
  .preview-grid {
    grid-template-columns: 1fr;
  }

  .hero-product {
    width: 100%;
  }

  .hero-device-grid {
    gap: 0.5rem;
    padding-inline: 0;
  }

  .hero-shot {
    margin-inline: -1.2rem;
  }

  .showcase-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    padding-inline: 0;
  }

  .showcase-frame {
    padding: 1.6rem;
  }

  .showcase-card {
    min-width: 0;
  }

  .showcase-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 4.5rem 0;
  }

  .site-header {
    padding: 0.95rem 0;
  }

  .js-enabled .nav-toggle {
    display: inline-flex;
  }

  .js-enabled .site-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 180ms ease;
  }

  .js-enabled .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav {
    gap: 1rem;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .hero-copy h1 {
    max-width: 12ch;
    font-size: clamp(3rem, 15vw, 4.25rem);
  }

  .hero-device-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 20rem;
    margin-inline: auto;
    padding-inline: 0;
  }

  .hero-shot,
  .problem-grid,
  .feature-grid,
  .steps-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .showcase-gallery {
    grid-template-columns: 1fr;
    padding-inline: 0;
  }

  .showcase-frame {
    padding: 1.2rem;
  }

  .landing-links {
    justify-content: center;
  }

  .showcase-card:nth-child(2),
  .showcase-card:last-child {
    grid-column: auto;
    transform: none;
  }

  .final-cta-card {
    padding: 2.1rem 1.5rem;
  }

  .legal-article {
    padding: 1.4rem;
  }

  .footer-grid,
  .footer-meta {
    flex-direction: column;
  }

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