* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --dark: #111a3f;
  --blue: #1f6fd0;
  --soft-blue: #eaf3ff;
  --white: #ffffff;
  --text: #172033;
  --muted: #64748b;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f8fafc;
  color: var(--text);
}

a {
  text-decoration: none;
}

#eton-it-navhead,
.eton-it-navhead {
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 999;
}

.nav-topbar {
  background: linear-gradient(90deg, var(--dark), var(--blue));
  color: var(--white);
  display: flex;
  justify-content: center;
  gap: 18px;
  align-items: center;
  padding: 8px 20px;
  font-size: 14px;
}

.nav-topbar a {
  color: var(--white);
  font-weight: 700;
}

.nav-container {
  max-width: 1180px;
  margin: auto;
  padding: 5px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  width: 150px;
  max-width: 100%;
  height: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--dark);
  font-size: 16px;
  font-weight: 700;
  position: relative;
  padding: 10px 0;
}

.nav-links a::after {
  content: "";
  width: 0;
  height: 3px;
  background: var(--blue);
  position: absolute;
  left: 0;
  bottom: 3px;
  border-radius: 999px;
  transition: 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  width: 100%;
}

.nav-highlight {
  color: var(--blue) !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.language-links {
  display: flex;
  align-items: center;
  background: var(--soft-blue);
  padding: 5px;
  border-radius: 999px;
  gap: 4px;
}

.language-links a {
  color: var(--dark);
  font-size: 13px;
  font-weight: 800;
  padding: 7px 10px;
  border-radius: 999px;
}

.language-links a.active,
.language-links a:hover {
  background: var(--blue);
  color: var(--white);
}

.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--dark));
  color: var(--white);
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(31, 111, 208, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(31, 111, 208, 0.36);
}

.nav-toggle {
  display: none;
  border: none;
  background: var(--soft-blue);
  width: 46px;
  height: 46px;
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--dark);
  border-radius: 999px;
  margin: 5px 0;
  transition: 0.3s ease;
}

.demo-hero {
  min-height: 70vh;
  display: grid;
  place-items: center;
  padding: 70px 22px;
  text-align: center;
}

.demo-hero section {
  max-width: 840px;
}

.eyebrow {
  color: var(--blue);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.demo-hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.05;
  color: var(--dark);
  margin-bottom: 20px;
}

.hero-text {
  font-size: 20px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.primary-btn,
.secondary-btn {
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
}

.primary-btn {
  background: var(--blue);
  color: var(--white);
}

.secondary-btn {
  background: var(--white);
  color: var(--dark);
  border: 1px solid #dbeafe;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0px;
    right: 0px;
    background: var(--white);
    border-radius: 2px;
    box-shadow: var(--shadow);
    padding: 22px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
  }

  .nav-menu.show {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .nav-links a {
    display: block;
    padding: 13px 10px;
    border-radius: 12px;
  }

  .nav-links a:hover {
    background: var(--soft-blue);
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .nav-cta {
    text-align: center;
  }
}

@media (max-width: 560px) {
  .nav-topbar {
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    text-align: center;
  }

  .nav-container {
    padding: 12px 16px;
  }

  .nav-logo img {
    width: 165px;
  }

  .demo-hero {
    padding: 50px 18px;
  }

  .hero-text {
    font-size: 17px;
  }
}