/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
}

.btn-cyan {
    background: var(--cyan);
    color: var(--dark-purple);
}

.btn-cyan:hover {
    background: var(--dark-purple);
    color: var(--cyan);
    transition: 0.3s;
}

/* Social blocks */
.social-icons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.social-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.social-tile-link {
    background: var(--dark-purple);
    padding: 12px;
    border-radius: 6px;
    color: #fff;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.social-tile-link i {
    font-size: 1.2rem;
}

.social-tile-label {
    font-size: 0.9rem;
    color: var(--dark-purple);
    font-weight: 600;
}

.social-icons a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Scroll-to-top */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--cyan);
    color: var(--dark-purple);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: #1fc0d0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 226, 226, 0.4);
}

.scroll-to-top i {
    font-size: 20px;
}