/*
  Landing page (index.html) styles: nav bar, hero, login button, footer.
  The authenticated pages use style.css; this page is standalone by design
  (dark hero, no sidebar).
*/

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(ellipse at 70% 30%, #143d4d 0%, #0b1f2a 40%, #050a10 100%);
  color: #ffffff;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Top Navigation */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  font-size: 14px;
  opacity: 0.9;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.datacare-logo {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.5px;
}

.nav-center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.8;
}

.nav-right {
  display: flex;
  gap: 12px;
  font-size: 16px;
  opacity: 0.7;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #ffffff;
  text-decoration: none;
  font-size: 13px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.nav-link:hover {
  opacity: 1;
}

.nav-link .material-icons {
  font-size: 18px;
}

/* language switcher */
.nav-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.lang-link {
  color: #ffffff;
  text-decoration: none;
  opacity: 0.6;
}

.lang-link:hover {
  opacity: 1;
}

.lang-link.active {
  opacity: 1;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* separator between the two language links */
.lang-sep {
  opacity: 0.4;
}

/* Main Layout */
.main-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 80px;
  min-height: calc(100vh - 120px);
  position: relative;
}

.content-left {
  flex: 1;
  max-width: 600px;
  z-index: 2;
}

.content-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

/* Typography */
.title-ceph {
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 8px;
  text-shadow: 0 0 40px rgba(100, 200, 255, 0.1);
}

.title-gatekeeper {
  font-size: 90px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 2px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.subtitle {
  font-size: 18px;
  color: #7eb8d1;
  margin-bottom: 40px;
  line-height: 1.5;
  max-width: 400px;
}

/* Button */
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
  color: #ffffff;
  border: none;
  padding: 14px 28px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(74, 144, 226, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 24px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(74, 144, 226, 0.4);
}

.btn-login svg {
  width: 20px;
  height: 20px;
}

/* Legal text */
.legal-text {
  font-size: 13px;
  color: #8aaec4;
  line-height: 1.6;
  max-width: 500px;
}

.legal-text a {
  color: #a0c8e0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footer */
.footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: #5a7a8a;
  letter-spacing: 0.5px;
}

/* Subtle particles in background */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(100, 200, 255, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(100, 200, 255, 0.02) 0%, transparent 50%);
}

@media (max-width: 1024px) {
  .main-container {
    flex-direction: column;
    text-align: center;
    padding: 40px 20px;
  }

  .content-right {
    margin-top: 40px;
    justify-content: center;
  }

  .title-ceph {
    font-size: 70px;
  }

  .title-gatekeeper {
    font-size: 50px;
  }

  .nav-center {
    display: none;
  }
}