body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
}

.bg-vinfast {
    background-color: #003399 !important;
}

.text-vinfast {
    color: #003399 !important;
}

.btn-vinfast {
    background-color: #003399;
    color: white;
    border: none;
}

.btn-vinfast:hover {
    background-color: #002570;
    color: white;
}
/* Navbar */
.navbar {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

.nav-link-custom {
    position: relative;
    color: #2b2b2b !important;
    transition: color 0.3s ease;
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: #003399 !important;
}

.nav-link-custom::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 5px;
    left: 50%;
    background-color: #003399;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link-custom:hover::after,
.nav-link-custom.active::after {
    width: 70%;
}
/* Carousel */
.carousel-item {
    height: 550px;
}

.carousel-item img {
    object-fit: cover;
    height: 100%;
    filter: brightness(0.6);
}
/* Quick Access Section (Dưới Slide) */
.quick-access {
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.quick-card {
    background: white;
    border: none;
    border-radius: 10px;
    transition: 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.quick-card:hover {
    transform: translateY(-5px);
    background: #003399;
    color: white;
}

.quick-card i {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.quick-card:hover i,
.quick-card:hover h5 {
    color: white !important;
}
/* Product & News Cards */
.card-custom {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: 0.3s;
}

.card-custom:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.img-hover-zoom {
    overflow: hidden;
    height: 220px;
}

.img-hover-zoom img {
    transition: 0.5s;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.card-custom:hover img {
    transform: scale(1.1);
}
/* Reveal Effect */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s all ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
/* Nhóm bên trái: Zalo & Facebook */
.sticky-social-left {
    position: fixed;
    bottom: 30px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    text-decoration: none;
    transition: 0.3s;
    position: relative;
}

.zalo { 
    background: #0084ff; 
    animation: bounceZalo 3s infinite;
}

@keyframes bounceZalo {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.facebook { background: #1877f2; }

.social-icon i {
    color: white !important;
}
.social-icon:hover {
    transform: scale(1.1);
    color: white;
}

.zalo:hover {
    animation: none;
}

.social-icon .label {
    position: absolute;
    left: 60px;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    transition: 0.3s;
    pointer-events: none;
}

.social-icon:hover .label {
    opacity: 1;
}
/* Nhóm bên phải: Số điện thoại */
.sticky-phone-right {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}
.sticky-phone-right a{
    color: white !important;
}
.phone-icon {
    background: #28a745;
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: bold;
    position: relative;
}

.phone-icon i {
    font-size: 20px;
    z-index: 2;
    animation: ringPhone 1.5s infinite;
}

@keyframes ringPhone {
    0%, 100% { transform: rotate(0); }
    10%, 30%, 50% { transform: rotate(15deg); }
    20%, 40% { transform: rotate(-15deg); }
    60% { transform: rotate(0); }
}

.phone-icon:hover {
    color: white;
    background: #218838;
}
/* Hiệu ứng rung cho nút điện thoại */
.phone-circle,
.phone-circle-fill {
    position: absolute;
    width: 60px;
    height: 60px;
    background: #28a745;
    border-radius: 50%;
    opacity: 0.3;
    left: 7px;
    top: 5px;
    animation: zoomInner 1.5s infinite ease-in-out;
    z-index: 1;
}

@keyframes zoomInner {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 768px) {
    .phone-icon {
        width: 50px;
        height: 50px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
    .phone-circle,
    .phone-circle-fill {
        left: -5px;
        top: -5px;
    }
}