html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

body.support-page {
    background: linear-gradient(135deg, #0f202a 0%, #203a43 50%, #2c5364 100%);
    min-height: 100vh;
    color: #eef;
}

body.support-page::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(#ffffff1a 1px, transparent 1px), linear-gradient(90deg, #ffffff1a 1px, transparent 1px);
        background-size: 40px 40px;
        pointer-events: none;
        z-index: 1;
}

.support-contacts {
    color: #333;
}

/* Карточки контактов */
.support-card {
    border-radius: 8px;
    padding: 1.5rem;
}

    .support-card .card-title {
        font-weight: 600;
        color: #1e3c72;
    }

/* Контейнер и отступы */
.container {
    max-width: 1100px;
}

.py-5 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* Форма */
.form-control {
    border-radius: 6px;
    border: 1px solid #ddd;
}

.btn-primary {
    background-color: #2a5298;
    border-color: #2a5298;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
}

    .btn-primary:hover {
        background-color: #1e3c72;
        border-color: #1e3c72;
    }

body.support-page .support-contacts,
body.support-page .support-card,
body.support-page form {
    color: #fff;
}

body.support-page .support-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

body.support-page .form-control {
    background: rgba(255, 255, 255, 0.9);
    color: #000;
}