.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn i {
    font-size: 16px;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-color-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 35, 126, 0.3);
    color: #fff;
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: var(--secondary-color-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(41, 171, 226, 0.3);
    color: #fff;
}

.btn-white {
    background: #fff;
    color: var(--text-dark);
    border: none;
}

.btn-white:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.quick-contact {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.qc-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    pointer-events: none;
}

.quick-contact.active .qc-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.qc-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--card-bg);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: var(--text-dark);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(8px) scale(0.95);
}

.quick-contact.active .qc-item {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.quick-contact.active .qc-item:nth-child(1) { transition-delay: 0.08s; }
.quick-contact.active .qc-item:nth-child(2) { transition-delay: 0.14s; }
.quick-contact.active .qc-item:nth-child(3) { transition-delay: 0.2s; }

.qc-item:hover {
    transform: translateX(-4px) scale(1);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.14);
}

.qc-whatsapp i { color: #25D366; }
.qc-phone i { color: var(--secondary-color); }
.qc-mail i { color: var(--primary-color); }

.qc-fab {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--secondary-color);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(41, 171, 226, 0.35);
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
}

.qc-fab:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 28px rgba(41, 171, 226, 0.45);
}

.qc-fab .qc-icon-open,
.qc-fab .qc-icon-close {
    position: absolute;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.qc-fab .qc-icon-close {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.quick-contact.active .qc-fab .qc-icon-open {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.quick-contact.active .qc-fab .qc-icon-close {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.quick-contact.active .qc-fab {
    background: var(--text-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-radius: 50%;
}

@media (max-width: 768px) {
    .quick-contact {
        bottom: 20px;
        right: 20px;
    }

    .qc-fab {
        width: 52px;
        height: 52px;
    }

    .qc-item span {
        display: none;
    }

    .qc-item {
        padding: 12px;
        border-radius: 50%;
    }
}