body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 16px;
    background: #ffffff;
    color: #1e3a8a;
    padding-top: 80px; /* чтобы контент не прятался за фиксированной шапкой */
}

.hero-section {
    position: relative;
    min-height: 80vh;
    color: white;
    text-align: center;
    padding: 5rem 1rem;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}


.hero-content h1 span {
  font-size: 4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 2px #00ffff;
}

/* Основной текст — Raleway */
.hero-content h1 {
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
  text-transform: uppercase;
  font-size: 3rem;
  line-height: 1.2;
  color: white;
}

/* Слово "КАРДИОЛОГИЯ" — Montserrat с градиентом и пульсом */
.hero-content h1 span {
  font-family: 'Roboto', sans-serif;
  font-weight: 900;
  font-size: 4rem;
  color: transparent;
  -webkit-text-stroke: 2px #00ffff;
  display: inline-block;
  animation: pulse 2s infinite ease-in-out;
  letter-spacing: 3px;
  margin-top: 0.5rem;
}

/* Анимация пульса */
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.05); opacity: 0.9; }
}


.programs {
    padding: 2rem;
}
.card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.card {
    background: #e0f2ff;
    border: 1px solid #ccc;
    padding: 1rem;
    flex: 1;
    min-width: 250px;
    border-radius: 10px;
    text-decoration: none;
    color: #1e3a8a;
    transition: transform 0.2s;
}
.card:hover {
    transform: scale(1.03);
    background: #c7e8ff;
}

.parallax-section {
    background: url('https://cardiogram.uz/images/HITH-banner-scaled.jpg') center/cover fixed;
    padding: 5rem 2rem;
    color: #005b94;
    text-align: center;
    font-size: 2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
}

.old-version-btn {
    background: #1e3a8a;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s;
    margin-left: 1rem;
}
.old-version-btn:hover {
    background: #0f285f;
}

/* ---------- Мобильная адаптация ---------- */
@media (max-width: 768px) {

  /* Шапка и навигация */
  .nav-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav-item {
    width: 100%;
    border-top: 1px solid #ddd;
    padding: 0.5rem 1rem;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    display: none; /* скрыто по умолчанию */
    width: 100%;
    background: #f9f9f9;
  }

  .dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-toggle {
    width: 100%;
    text-align: left;
  }

  /* Hero-секция */
  .hero-content h1 {
    font-size: 1.8rem;
    line-height: 1.3;
    padding: 1rem;
  }

  .hero-content h1 span {
    font-size: 2.5rem;
    letter-spacing: 1px;
  }
}