html, body {
    height: 100%;
    overscroll-behavior: none;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: linear-gradient(
        to bottom,
        #f0f9ff 0%,
        #dbeafe 25%,
        #bfdbfe 50%,
        #93c5fd 75%,
        #a5d8ff 100%
    );
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    overflow-x: hidden;
}

/* HERO */
.hero {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #f0f9ff, #c7e9ff, #a5d8ff);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Lebegő ikonok */
.float-icon {
    position: absolute;
    font-size: 60px;
    opacity: 0.8;
    animation: floatIcon 10s infinite ease-in-out;
}

@keyframes floatIcon {
    0% { transform: translateY(0); opacity: 0.8; }
    50% { transform: translateY(-35px); opacity: 1; }
    100% { transform: translateY(0); opacity: 0.8; }
}

/* Glassmorphism kártyák */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform .3s, box-shadow .3s;
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Scroll animáció */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all .8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Ikonok */
.feature-icon {
    font-size: 40px;
    color: #0ea5e9;
    margin-bottom: 15px;
}