@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  background: #000;
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 9999;
  transform: translateY(-120%);
  opacity: 0;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.skip-link:focus {
  transform: none;
  opacity: 1;
}

.container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0.4)
  );
  border-bottom: 1px solid rgba(15, 23, 36, 0.04);
  z-index: 60;
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand .title {
  font-weight: 700;
  font-size: var(--text-base);
}

nav[aria-label] ul {
  display: flex;
  gap: 18px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav[aria-label] a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}
nav[aria-label] a:hover,
nav[aria-label] a:focus {
  background: rgba(37, 99, 235, 0.06);
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(15, 23, 36, 0.06);
}
.btn-ghost:hover {
  background: rgba(15, 23, 36, 0.03);
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(15, 23, 36, 0.06);
}
.btn-outline:hover {
  background: rgba(15, 23, 36, 0.03);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xl);
}
.nav-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.hero {
  padding: 56px 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 28px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  margin: 0 0 12px;
}
.hero-content p {
  color: var(--muted);
  margin: 0 0 var(--space-lg);
  max-width: 58ch;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mockup {
  background: linear-gradient(180deg, #ffffff, #f1fbfb);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(15, 23, 36, 0.04);
}
.mockup .screen {
  height: 280px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #e6fffa 0%, #ffffff 60%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text);
  font-weight: 700;
}

main {
  padding: 36px 0 80px;
}
section {
  margin-bottom: 40px;
}
.section-head {
  text-align: center;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: var(--text-xl);
  margin-bottom: 8px;
}
.section-head p {
  color: var(--muted);
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(15, 23, 36, 0.03);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: inline-grid;
  place-items: center;
  margin-bottom: 12px;
  font-size: 20px;
  background: linear-gradient(135deg, var(--primary), #0b5248);
  color: var(--primary-contrast);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.step .num {
  min-width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-contrast);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.benefits {
  padding: 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff, #f8feff);
  border: 1px solid rgba(15, 23, 36, 0.03);
}
.benefits ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.benefits li {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
  flex-basis: 300px;
}
.check {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--success);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
}

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--primary), #0b5248);
  color: var(--primary-contrast);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.cta-block p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 60ch;
}

footer {
  margin-top: 28px;
  padding: 36px 0;
  color: var(--muted);
  background-color: var(--primary-contrast);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}
.footer-grid h4 {
  margin: 0 0 8px;
  color: var(--text);
}
.footer-bottom {
  margin-top: 20px;
  border-top: 1px solid rgba(15, 23, 36, 0.04);
  padding-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: var(--text-sm);
}

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

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr 360px;
  }
}
@media (max-width: 820px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .mockup {
    order: 2;
  }
  .nav-toggle {
    display: inline-flex;
  }
  nav[aria-label] {
    display: none;
  }
  nav[aria-label].open {
    display: block;
    position: absolute;
    right: 20px;
    top: 64px;
    background: var(--surface);
    padding: 12px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
  }
  .nav-row {
    position: relative;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 14px;
  }
  .mockup .screen {
    height: 200px;
  }
}