:root {
    --byd-primary: #00ADB5;
    --byd-secondary: #00FFF0;
    --byd-dark: #3b3d40;
    --byd-dark-card: rgb(86 98 135 / 85%);
    --byd-border: rgba(255, 255, 255, 0.12);
}
.logo-desktop {
    height: 20px;
}
.text-secondary {
    color: var(--byd-secondary)!important;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--byd-dark);
    color: #F8FAFC;
    overflow-x: hidden;
}

.design-by-techsoftplus {
    display: flex;
    border-top: 1px #777 dashed;
    padding-top: 25px;
    justify-content: center;
    align-items: end;
    padding-bottom: 50px;
}

    .design-by-techsoftplus a {
        font-size: 12px;
        color: #7d8487;
        text-decoration: none;
    }

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Montserrat', sans-serif;
}

/* Glassmorphism Styles */
.glass-nav {
    background: rgb(0 24 83 / 85%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--byd-border);
}

.glass-card {
    background: var(--byd-dark-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--byd-border);
    border-radius: 18px;
    transition: all 0.35s ease;
}

    .glass-card:hover {
        border-color: var(--byd-primary);
        box-shadow: 0 10px 30px rgba(0, 173, 181, 0.25);
        transform: translateY(-5px);
    }

.btn-byd-primary {
    background: linear-gradient(135deg, #00ADB5 0%, #00818A 100%);
    color: #FFFFFF;
    font-weight: 700;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 173, 181, 0.4);
    transition: all 0.3s ease;
}

    .btn-byd-primary:hover {
        background: linear-gradient(135deg, #00FFF0 0%, #00ADB5 100%);
        color: #0F172A;
        box-shadow: 0 6px 20px rgba(0, 255, 240, 0.5);
        transform: translateY(-2px);
    }

/* Swiper Customization */
.swiper {
    width: 100%;
    padding-top: 1rem;
    padding-bottom: 3.5rem;
}

.swiper-slide {
    height: auto;
    display: flex;
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: var(--byd-primary) !important;
    width: 24px;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.swiper-button-next, .swiper-button-prev {
    color: var(--byd-primary) !important;
    background: rgba(15, 23, 42, 0.7);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid var(--byd-border);
    backdrop-filter: blur(5px);
}

    .swiper-button-next::after, .swiper-button-prev::after {
        font-size: 18px;
        font-weight: bold;
    }

/* Partner Logos & Badges */
.partner-logo-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--byd-border);
    border-radius: 12px;
    padding: 22px 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    filter: grayscale(80%);
    opacity: 0.75;
    height: 100%;
}

    .partner-logo-card:hover {
        filter: grayscale(0%);
        opacity: 1;
        border-color: var(--byd-primary);
        background: rgba(30, 41, 59, 0.9);
        transform: translateY(-3px);
    }

/* 360 View Modal Canvas */
.interactive-360-container {
    position: relative;
    user-select: none;
    cursor: grab;
    touch-action: pan-y;
    overflow: hidden;
    border-radius: 16px;
    background: radial-gradient(circle, rgba(30,58,138,0.3) 0%, rgba(15,23,42,1) 80%);
}

    .interactive-360-container:active {
        cursor: grabbing;
    }

/* Custom Form Controls */
.form-control, .form-select {
    background-color: rgb(151 159 183);
    border: 1px solid var(--byd-border);
    color: #FFFFFF;
    border-radius: 10px;
}

    .form-control:focus, .form-select:focus {
        background-color: rgb(151 159 183);
        border-color: var(--byd-primary);
        color: #FFFFFF;
        box-shadow: 0 0 10px rgba(0, 173, 181, 0.3);
    }

/* Accordion Custom Dark Style */
.accordion-item {
    background: var(--byd-dark-card);
    border: 1px solid var(--byd-border);
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 12px;
}

.accordion-button {
    background: rgba(15, 23, 42, 0.8);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: none !important;
}

    .accordion-button:not(.collapsed) {
        background: rgba(0, 173, 181, 0.15);
        color: var(--byd-secondary);
    }

    .accordion-button::after {
        filter: invert(1);
    }

.accordion-body {
    color: #CBD5E1;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Floating Social Media & Back to top */
.social-float-bar {
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

    .social-btn:hover {
        transform: scale(1.15);
        color: white;
    }

.btn-zalo {
    background: #0068FF;
}

.btn-messenger {
    background: linear-gradient(135deg, #0084FF, #A800E0);
}

.btn-tiktok {
    background: #000000;
    border: 1px solid rgba(255,255,255,0.2);
}
.btn-hotline {
    background: #0abf07;
    border: 1px solid rgba(255,255,255,0.2);
}
#backToTopBtn {
    position: fixed;
    bottom: 25px;
    right: 20px;
    z-index: 1040;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--byd-primary);
    color: #fff;
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 15px rgba(0, 173, 181, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

    #backToTopBtn:hover {
        background: var(--byd-secondary);
        color: #0F172A;
        transform: translateY(-3px);
    }

/* Live Chat Widget */
.chat-widget-btn {
    position: fixed;
    bottom: 25px;
    left: 20px;
    z-index: 1040;
    background: linear-gradient(135deg, #00ADB5, #00FFF0);
    color: #0F172A;
    border: none;
    border-radius: 30px;
    padding: 10px 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(0, 255, 240, 0.4);
    cursor: pointer;
    transition: transform 0.3s ease;
}

    .chat-widget-btn:hover {
        transform: scale(1.05);
    }

.chat-window {
    position: fixed;
    bottom: 90px;
    left: 20px;
    width: 360px;
    max-width: calc(100vw - 40px);
    height: 480px;
    z-index: 1050;
    display: none;
    flex-direction: column;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.chat-header {
    background: linear-gradient(135deg, #0F172A, #1E293B);
    padding: 15px;
    border-bottom: 1px solid var(--byd-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-body {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background: #0B1120;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-msg-bot {
    background: #1E293B;
    color: #E2E8F0;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--byd-border);
}

.chat-msg-user {
    background: var(--byd-primary);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-footer {
    padding: 10px;
    background: #0F172A;
    border-top: 1px solid var(--byd-border);
    display: flex;
    gap: 8px;
}
.glass-card .bg-dark {
    background-color: rgb(217 227 237 / 39%) !important;
    display: flex;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
}
@media (max-width: 390px) {

    .btn-byd-primary {
        font-size: 19px;
    }
    .btn-outline-light {
        font-size: 19px;
    }
}