:root {
  color-scheme: light;
  --background: #f7f8fc;
  --surface: #ffffff;
  --surface-soft: #f1f0ff;
  --primary: #5b4cf0;
  --primary-dark: #4438ca;
  --accent: #20c997;
  --text: #171a2b;
  --muted: #60677a;
  --border: #e4e6ef;
  --shadow: 0 18px 55px rgba(44, 37, 116, 0.1);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 2%, rgba(91, 76, 240, 0.1), transparent 25rem),
    radial-gradient(circle at 5% 42%, rgba(32, 201, 151, 0.08), transparent 23rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

a:focus-visible,
button:focus-visible,
iframe:focus-visible {
  outline: 3px solid rgba(32, 201, 151, 0.7);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 0.7rem;
  background: var(--text);
  color: #fff;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(228, 230, 239, 0.9);
  background: rgba(247, 248, 252, 0.9);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.55rem 0.72rem;
  border-radius: 0.65rem;
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: #fff;
  color: var(--primary-dark);
}

.button,
.nav-links .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.05rem;
  border: 0;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 10px 25px rgba(91, 76, 240, 0.23);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.button:hover,
.nav-links .button:hover {
  color: #fff;
  transform: translateY(-1px);
}

.button.secondary {
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: none;
  color: var(--primary-dark);
}

.hero {
  padding: clamp(2.8rem, 7vw, 5.8rem) 0 2.2rem;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0.42rem 0.75rem;
  border: 1px solid rgba(91, 76, 240, 0.15);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 850px;
  margin-inline: auto;
  margin-bottom: 1.05rem;
  font-size: clamp(2.25rem, 6vw, 4.7rem);
}

h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.12rem;
}

.hero-copy,
.section-lead {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 1.55rem;
}

.trust-line {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.tool-section {
  padding: 1rem 0 clamp(4rem, 7vw, 6rem);
}

.tool-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tool-heading p {
  margin: 0;
  color: var(--muted);
}

.app-frame-wrap {
  overflow: hidden;
  border: 1px solid rgba(91, 76, 240, 0.13);
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: var(--shadow);
}

.app-frame {
  display: block;
  width: 100%;
  height: max(780px, calc(100svh - 6rem));
  min-height: 780px;
  border: 0;
  background: #f7f8fc;
}

.app-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 0.84rem;
}

.section {
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
}

.section.alt {
  border-block: 1px solid rgba(228, 230, 239, 0.8);
  background: rgba(255, 255, 255, 0.66);
}

.section-heading {
  max-width: 740px;
  margin: 0 auto 2.25rem;
  text-align: center;
}

.grid {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(5, 1fr);
}

.card {
  padding: 1.3rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(23, 26, 43, 0.045);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.icon-tile {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 0.78rem;
  background: var(--surface-soft);
  color: var(--primary-dark);
  font-size: 1.15rem;
  font-weight: 850;
}

.steps {
  grid-template-columns: repeat(3, 1fr);
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.5rem 1.5rem 1.5rem 4.6rem;
  border-radius: 1.1rem;
  background: #fff;
  counter-increment: step;
}

.step::before {
  position: absolute;
  top: 1.3rem;
  left: 1.3rem;
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  border-radius: 0.8rem;
  background: var(--primary);
  color: #fff;
  content: counter(step, decimal-leading-zero);
  font-size: 0.82rem;
  font-weight: 850;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.use-case-grid {
  grid-template-columns: repeat(4, 1fr);
}

.use-case {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.75);
  font-weight: 700;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(250px, 0.75fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.prose {
  max-width: 760px;
}

.prose p,
.prose li {
  color: #4f5668;
}

.prose h2 {
  margin-top: 2.3rem;
  font-size: 1.55rem;
}

.prose h2:first-child {
  margin-top: 0;
}

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

.aside-card {
  position: sticky;
  top: 100px;
  padding: 1.4rem;
  border: 1px solid rgba(91, 76, 240, 0.16);
  border-radius: 1.15rem;
  background: linear-gradient(145deg, #fff, #f3f1ff);
}

.aside-card p {
  color: var(--muted);
}

.faq-list {
  max-width: 850px;
  margin: 0 auto;
}

.faq-list details {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
}

.faq-list details:first-child {
  border-radius: 1rem 1rem 0 0;
}

.faq-list details:last-child {
  border-bottom: 0;
  border-radius: 0 0 1rem 1rem;
}

.faq-list summary {
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  font-weight: 750;
}

.faq-list details p {
  margin: 0;
  padding: 0 1.25rem 1.2rem;
  color: var(--muted);
}

.page-hero {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 2.5rem;
}

.page-hero h1 {
  margin-inline: 0;
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.page-hero p {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.1rem;
}

.updated {
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 700;
}

.site-footer {
  padding: 2.4rem 0;
  border-top: 1px solid var(--border);
  background: #fff;
}

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

.footer-copy p {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.not-found {
  min-height: calc(100vh - 160px);
  display: grid;
  place-items: center;
  padding: 3rem 1rem;
  text-align: center;
}

.not-found-mark {
  color: rgba(91, 76, 240, 0.14);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 900;
  line-height: 0.85;
}

@media (max-width: 1000px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .nav-wrap {
    min-height: 66px;
  }

  .brand small,
  .nav-links a:not(.button) {
    display: none;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .tool-heading,
  .footer-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-frame-wrap {
    margin-inline: -0.35rem;
    border-radius: 1.15rem;
  }

  .app-frame {
    height: max(760px, calc(100svh - 4.8rem));
    min-height: 760px;
  }

  .feature-grid,
  .steps,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    gap: 0.8rem;
  }

  .aside-card {
    position: static;
  }

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

@media (max-width: 480px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--max-width));
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .nav-links .button {
    min-height: 40px;
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .trust-line {
    line-height: 1.8;
  }

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .app-note {
    display: block;
  }

  .app-note a {
    display: inline-block;
    margin-top: 0.35rem;
  }
}

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