:root {
  --bg: #f7f9fc;
  --bg-soft: #eef4ff;
  --card: rgba(255, 255, 255, 0.9);
  --card-strong: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.09);
  --blue: #2563eb;
  --green: #16a34a;
  --violet: #6d28d9;
  --teal: #0d9488;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(37, 99, 235, 0.12), transparent 30%),
    radial-gradient(circle at 85% 0%, rgba(109, 40, 217, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 56%, var(--bg-soft) 100%);
}

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

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 950;
  letter-spacing: -1.4px;
  line-height: 1;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand span,
.gradient-text {
  background: linear-gradient(90deg, var(--blue), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav__group {
  position: relative;
}

.nav__button,
.nav__link,
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 800;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav__button,
.nav__link {
  border: 1px solid transparent;
  color: #334155;
}

.nav__button {
  padding-left: 9px;
  padding-right: 9px;
}

.nav__button:hover,
.nav__link:hover {
  background: rgba(37, 99, 235, 0.05);
  border-color: rgba(37, 99, 235, 0.14);
  color: var(--blue);
}

.nav__button::after {
  transform: translateY(1px);
}

.nav__cta {
  border: 1px solid rgba(34, 197, 94, 0.18);
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
  box-shadow: 0 12px 28px rgba(22, 163, 74, 0.22);
}

.nav__cta--secondary {
  border: 1px solid rgba(37, 99, 235, 0.16);
  background: rgba(255, 255, 255, 0.92);
  color: var(--blue);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

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

.nav-mobile-menu {
  display: none;
}

.dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 300px;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.nav__group:hover .dropdown,
.nav__group:focus-within .dropdown,
.nav__group[open] .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px 11px;
  border-radius: 14px;
  color: #334155;
  font-size: 13px;
  font-weight: 700;
}

.dropdown a:hover {
  background: rgba(37, 99, 235, 0.06);
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 24px;
  align-items: stretch;
}

.hero__copy,
.hero__panel,
.section,
.cta-band {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.hero__copy {
  padding: 40px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,250,252,0.95));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  background: rgba(37, 99, 235, 0.06);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -3px;
  font-weight: 950;
}

.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 850;
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  color: white;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.22);
}

.button.secondary {
  background: white;
  color: #1e293b;
  border-color: var(--line);
}

.hero__panel {
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(109, 40, 217, 0.08), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(245,247,252,0.96));
}

.panel-grid {
  display: grid;
  gap: 12px;
}

.panel {
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.88);
}

.panel strong,
.stat strong,
.feature-card h3,
.section h2,
.related h3 {
  letter-spacing: -0.02em;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat {
  padding: 16px;
  border-radius: 18px;
  background: white;
  border: 1px solid var(--line);
}

.stat strong {
  display: block;
  font-size: 18px;
}

.stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.section {
  margin-top: 22px;
  padding: 30px;
}

.section__head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 20px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  font-weight: 950;
}

.section__head p {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.section__subhead {
  margin: 4px 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
}

.step-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
}

.step-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(109, 40, 217, 0.12));
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.step-card h3 {
  margin: 12px 0 0;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.step-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.feature-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.link-card {
  display: block;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.92);
}

.link-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
}

.link-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.cta-band {
  margin-top: 22px;
  padding: 28px 30px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 24%),
    linear-gradient(135deg, #ffffff, #eef4ff);
}

.cta-band p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 16px;
}

.footer-links a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.footer {
  margin-top: 26px;
  padding: 0 4px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .site-header__inner,
  .hero,
  .section__head {
    display: block;
  }

  .nav {
    display: none;
  }

  .hero__panel {
    margin-top: 16px;
  }

  .feature-grid,
  .process-grid,
  .links-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .section__head p {
    margin-top: 10px;
  }

  .nav-mobile-menu {
    display: block;
    margin-left: auto;
  }

  .nav-mobile-menu > summary {
    list-style: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: white;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
    font-size: 0;
  }

  .nav-mobile-menu > summary::-webkit-details-marker {
    display: none;
  }

  .nav-mobile-menu > summary::before {
    content: "☰";
    font-size: 18px;
    color: var(--blue);
    line-height: 1;
  }

  .nav-mobile-menu[open] > summary::before {
    content: "✕";
  }

  .nav-mobile-menu__panel {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(340px, calc(100vw - 24px));
    padding: 12px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    display: grid;
    gap: 4px;
    z-index: 60;
  }

  .nav-mobile-menu__group {
    display: grid;
    gap: 2px;
    padding: 4px 0;
  }

  .nav-mobile-menu__label {
    padding: 8px 12px 4px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .nav-mobile-menu__panel a {
    display: block;
    padding: 11px 12px;
    border-radius: 14px;
    color: #334155;
    font-size: 13px;
    font-weight: 750;
  }

  .nav-mobile-menu__panel a:hover {
    background: rgba(37, 99, 235, 0.06);
    color: var(--blue);
  }

  .nav-mobile-menu__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 8px;
  }

  .nav-mobile-menu__actions .nav__cta {
    display: inline-flex;
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 20px, 1180px);
    padding-top: 12px;
  }

  .site-header,
  .hero__copy,
  .hero__panel,
  .section,
  .cta-band {
    border-radius: 22px;
  }

  .site-header__inner,
  .hero__copy,
  .hero__panel,
  .section,
  .cta-band {
    padding: 18px;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .nav {
    gap: 8px;
  }

  .nav-mobile-menu__actions {
    grid-template-columns: 1fr;
  }
}