:root {
  --bg: #f0fdfa;
  --bg-strong: #ccfbf1;
  --surface: #ffffff;
  --surface-soft: #f8fffe;
  --text: #134e4a;
  --text-strong: #0f2c29;
  --muted: #2b6b67;
  --primary: #0d9488;
  --secondary: #14b8a6;
  --cta: #f97316;
  --ring: rgba(20, 184, 166, 0.3);
  --border: rgba(19, 78, 74, 0.16);
  --shadow: 0 16px 44px rgba(12, 74, 68, 0.14);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Open Sans', 'Avenir Next', 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(20, 184, 166, 0.18), transparent 38%),
    radial-gradient(circle at 90% 14%, rgba(249, 115, 22, 0.14), transparent 36%),
    linear-gradient(180deg, #f0fffc 0%, #eefcf8 100%);
  line-height: 1.6;
  position: relative;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: #0f766e;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 3.5rem 0;
}

.bg-orb {
  position: fixed;
  width: 18rem;
  height: 18rem;
  filter: blur(34px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

.orb-left {
  top: -4rem;
  left: -6rem;
  background: #2dd4bf;
}

.orb-right {
  right: -5rem;
  top: 5rem;
  background: #fb923c;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(1120px, calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 0.95rem;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-strong);
  font-family: 'Poppins', 'Avenir Next', sans-serif;
  font-weight: 700;
}

.brand:hover {
  color: var(--text-strong);
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary), #2dd4bf);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.nav-links a {
  color: var(--text);
  padding: 0.45rem 0.66rem;
  border-radius: 0.55rem;
  font-weight: 600;
  transition: background-color 220ms ease, color 220ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--text-strong);
  background: #dcfce7;
}

.hero {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 1.4rem;
  padding-top: 4.2rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: 'Poppins', 'Avenir Next', sans-serif;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  margin: 0;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  margin-bottom: 1.3rem;
}

h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.lead {
  margin-top: 1rem;
  margin-bottom: 1.4rem;
  max-width: 62ch;
  color: var(--text);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.56rem 1rem;
  border-radius: 0.68rem;
  border: 1px solid transparent;
  font-weight: 700;
  font-family: 'Poppins', 'Avenir Next', sans-serif;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background-color 220ms ease,
    color 220ms ease;
  cursor: pointer;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--cta), #fb923c);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(249, 115, 22, 0.26);
}

.btn-primary:hover {
  color: #fffaf5;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-strong);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #ecfdf5;
  color: var(--text-strong);
}

.hero-card {
  background: linear-gradient(165deg, #ffffff 10%, #f9fffd 100%);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.hero-card-head {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.dot {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 999px;
}

.dot-teal {
  background: #2dd4bf;
}

.dot-orange {
  background: #fb923c;
}

.dot-slate {
  background: #64748b;
}

.translate-demo {
  display: grid;
  gap: 0.45rem;
}

.demo-title {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.demo-content {
  margin: 0;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.76rem;
  color: #124743;
}

.arrow {
  color: var(--secondary);
  display: inline-flex;
  align-items: center;
}

.grid {
  display: grid;
  gap: 0.95rem;
}

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

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border-radius: 0.9rem;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1rem;
  box-shadow: 0 8px 18px rgba(20, 78, 70, 0.08);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(13, 148, 136, 0.32);
  box-shadow: 0 14px 25px rgba(13, 148, 136, 0.12);
}

.card p {
  margin: 0;
}

.card.accent {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
}

.icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  background: #ccfbf1;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
}

.clean-list {
  margin: 0;
  padding-left: 1.1rem;
}

.clean-list li {
  margin: 0.25rem 0;
}

.note {
  margin-top: 0.95rem;
  color: var(--muted);
}

.open-source-wrap {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 0.95rem;
  padding: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.open-source-wrap p {
  margin: 0;
  max-width: 68ch;
}

.footer {
  padding: 1.4rem 0 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.policy {
  padding-top: 2.7rem;
}

.effective-date {
  margin: 0.5rem 0 1.3rem;
  color: var(--muted);
  font-weight: 600;
}

.policy h2 {
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}

.policy ul {
  margin: 0;
  padding-left: 1.2rem;
}

.policy li {
  margin: 0.25rem 0;
}

code {
  background: #ecfeff;
  border: 1px solid #bae6fd;
  border-radius: 0.35rem;
  padding: 0.08rem 0.3rem;
  font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  font-size: 0.9em;
}

:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-top: 3rem;
  }

  .cards-3,
  .cards-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .top-nav {
    padding: 0.75rem 0.86rem;
  }

  .nav-links {
    gap: 0.35rem;
  }

  .nav-links a {
    padding: 0.4rem 0.5rem;
    font-size: 0.9rem;
  }

  .section {
    padding: 2.8rem 0;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}