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

html, body {
  height: 100%;
}

body {
  font-family: 'Ubuntu', sans-serif;
  background-color: #36A2AE;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
}

.logo {
  width: 200px;
  height: auto;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .logo { width: 260px; }
}

.title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 1.25rem;
}

@media (min-width: 640px) {
  .title { font-size: 4rem; }
}

@media (min-width: 1024px) {
  .title { font-size: 5rem; }
}

.title .accent {
  color: #FCD563;
}

.subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.6;
  max-width: 480px;
  opacity: 0.92;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .subtitle { font-size: 1.25rem; }
}

.lang-switcher {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  color: #ffffff;
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.15s ease;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lang-btn.active {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
}

.lang-btn img {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
}

.footer {
  background-color: #048B9A;
  text-align: center;
  padding: 1rem 1.5rem;
  font-size: 0.8125rem;
  font-weight: 300;
  opacity: 0.9;
}