html, body {
    height: 100%;
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: #1a1a2e;
    overflow-x: hidden;
}

/* Градиент неба */
body {
    background: linear-gradient(to bottom, #87ceeb 0%, #ffffff 100%);
}

/* Облака */
.clouds {
    position: fixed;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: url('/assets/img/clouds.png') repeat-x top;
    opacity: 0.6;
    z-index: 0;
    animation: moveClouds 60s linear infinite;
}

@keyframes moveClouds {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Контент поверх облаков */
.container, .navbar, .card, .jumbotron, .text-center {
    position: relative;
    z-index: 1;
}

/* Карточки и кнопки */
.card {
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-primary {
    background-color: #ff9f1c;
    border: none;
}
.btn-primary:hover {
    background-color: #e88f1c;
}