/* --- Root Variables (Dark/Night Theme) --- */
:root {
    --primary-color: #0F969C;       /* টিল সবুজ (ব্র্যান্ড কালার একই রাখা হয়েছে) */
    --secondary-color: #28a745;     /* ফ্রেশ সবুজ */
    --background-color: #121212;    /* একদম গাঢ় ব্যাকগ্রাউন্ড */
    --card-bg: #1E1E1E;             /* কার্ডের ব্যাকগ্রাউন্ড ডার্ক গ্রে */
    --text-color: #E0E0E0;          /* প্রধান টেক্সট এখন অফ-হোয়াইট */
    --light-text: #B0B0B0;          /* হালকা টেক্সট (সিলভার) */
    --accent-color: #FFD400;        /* হলুদ অ্যাকসেন্ট */
    --shadow-color: rgba(0, 0, 0, 0.5); /* শ্যাডো এখন গাঢ় */
    --border-color: #333333;        /* বর্ডার কালার গাঢ় গ্রে */
    --input-bg: #2C2C2C;            /* ইনপুট ফিল্ডের ব্যাকগ্রাউন্ড */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--background-color);
    color: var(--text-color);
    padding-bottom: 200px;
    overflow-x: hidden; /* মোবাইল ওভারফ্লো ফিক্স */
}

/* বাটন এবং লিংকের কার্সর ইফেক্ট */
.buy-btn:hover, .trial-btn:hover, .channel-list-btn:hover,
.method-buttons button:hover, .confirm-btn:hover,
.package-card a:hover, .counters-container button:hover,
.faq-details summary:hover, .accordion:hover, .sub-accordion:hover,
.reviews-container .scroller img:hover, .contact-link:hover, .contact-btn:hover,
.contact-accordion:hover, .video-guide-btn:hover, .download-link:hover,
.app-filter-buttons button:hover,
details:hover,
.video-card:hover, .slider-dot:hover, .slider-nav:hover {
    cursor: pointer;
}

/* --- Animations (অপরিবর্তিত) --- */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes rgb-border-anim {
    0% { border-color: #ff0000; box-shadow: 0 0 5px rgba(255, 0, 0, 0.3); }
    25% { border-color: #00ff00; box-shadow: 0 0 5px rgba(0, 255, 0, 0.3); }
    50% { border-color: #0000ff; box-shadow: 0 0 5px rgba(0, 0, 255, 0.3); }
    75% { border-color: #ffff00; box-shadow: 0 0 5px rgba(255, 255, 0, 0.3); }
    100% { border-color: #ff00ff; box-shadow: 0 0 5px rgba(255, 0, 255, 0.3); }
}

@keyframes scale-pulse {
    0% { transform: scale(1); box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); }
    50% { transform: scale(1.05); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2); }
    100% { transform: scale(1); box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); }
}

/* --- Navigation & Banners --- */
.main-nav {
    position: sticky;
    top: 60px; 
    z-index: 1000;
    background-color: rgba(30, 30, 30, 0.95); /* ডার্ক ট্রান্সপারেন্ট */
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    text-align: center;
    box-shadow: 0 4px 15px var(--shadow-color);
    display: flex; 
    justify-content: space-around; 
    flex-wrap: nowrap; 
    overflow-x: auto; 
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch; 
    border-bottom: 1px solid var(--border-color);
}
.main-nav::-webkit-scrollbar { display: none; }
.main-nav { scrollbar-width: none; }
.main-nav a {
    background: #333333; /* বাটন ডার্ক */
    color: var(--text-color);
    text-decoration: none;
    padding: 10px 18px; 
    margin: 0 5px;
    border-radius: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    white-space: nowrap;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid var(--border-color);
}
.main-nav a:hover {
    background-color: var(--primary-color);
    color: #ffffff; 
    border-color: var(--primary-color);
    transform: translateY(-2px); 
    box-shadow: 0 5px 20px rgba(15, 150, 156, 0.3);
}
@media (max-width: 600px) {
    .main-nav {
        padding: 10px;
        top: 58px; 
    }
    .main-nav a {
        padding: 8px 10px;
        margin: 0 2px;
        font-size: 12px;
        border-radius: 15px;
    }
}
.package-peyment, .package-banner, .package-cus, .contact-banner,
.video-gallery-banner { 
    background: linear-gradient(90deg, var(--primary-color), #0C7A80);
    color: #ffffff;
    text-align: center;
    padding: 15px;
    font-size: 24px;
    font-weight: bold;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-color);
    letter-spacing: 1.5px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}
.welcome-banner {
    background: #1a1a1a; /* ডার্ক ব্যানার */
    color: var(--text-color);
    text-align: center;
    padding: 12px;
    font-size: 15px;
    font-weight: bold;
    position: sticky;
    top: 0; 
    z-index: 1001; 
    box-shadow: 0 2px 10px var(--shadow-color);
    border-bottom: 3px solid var(--primary-color);
}

/* --- লাইভ সময় ও তারিখ স্টাইল --- */
#live-datetime-container {
    color: #ff5252; /* লাল টেক্সট যাতে ডার্ক মোডেও ফুটে ওঠে */
    font-weight: bold;
    font-size: 16px; 
    margin-top: 5px; 
}

@media (max-width: 600px) {
    #live-datetime-container {
        font-size: 14px; 
    }
}

/* Floating buttons */
.centered-floating-buttons {
    position: fixed;
    top: 70%; 
    right: 20px;
    transform: translateY(-60%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.counter-item {
    background-color: var(--card-bg);
    color: var(--primary-color);
    padding: 10px;
    border-radius: 8px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    width: 60px; 
    height: 80px;
    text-align: center;
    border: 1px solid var(--border-color);
}
.counter-item .number {
    font-size: 1.em;
    font-weight: bold;
}
.counter-item .label {
    font-size: 0.7em;
    color: var(--light-text);
}

/* WhatsApp Chat Widget Styles */
.whatsapp-chat-widget {}
.whatsapp-chat-button {
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    cursor: pointer;
    transition: transform 0.3s ease;
}
.whatsapp-chat-button:hover {
    transform: scale(1.1);
}
.whatsapp-chat-box {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    width: 300px;
    max-width: calc(100vw - 40px);
    padding: 15px;
    display: none;
    position: fixed; 
    right: 90px; 
    bottom: 20px;
    animation: fadeIn 0.3s ease-out;
    z-index: 9999;
    border: 1px solid var(--border-color);
}
.whatsapp-chat-box h4 {
    color: #128C7E;
    margin-bottom: 10px;
    text-align: center;
}
.whatsapp-chat-box textarea {
    width: 100%;
    border: 1px solid #444;
    background: #2C2C2C; /* ইনপুট ডার্ক */
    border-radius: 5px;
    padding: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    resize: none;
    min-height: 80px;
    color: #fff;
}
.whatsapp-chat-box button {
    width: 100%;
    background-color: #25D366;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease;
}
.whatsapp-chat-box button:hover {
    background-color: #128C7E;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .centered-floating-buttons {
        right: 10px;
    }
    .whatsapp-chat-box {
        right: 80px;
    }
}

/* ======================================
     ✅ আপডেট করা স্লাইডার নোটিশ ডিজাইন (Dark)
====================================== */
.slider-container {
    width: 95%; 
    max-width: 1400px; 
    height: 500px;
    margin: 20px auto;
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    background-color: var(--card-bg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border: 3px solid transparent; 
    animation: rgb-border-anim 5s linear infinite alternate; 
}
.slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-color: var(--card-bg);
    pointer-events: none; 
}
.slider-item.active {
    opacity: 1;
    z-index: 2; 
    pointer-events: auto; 
}

/* ছবি অটো-ফিক্স */
.slider-item.image-slide {
    background-size: contain; 
    background-position: center;
    background-repeat: no-repeat; 
    background-color: var(--card-bg); /* ইমেজের পিছনে কার্ড কালার */
}

/* টেক্সট অটো-স্ক্রল */
.slider-item.text-slide {
    padding: 20px 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-color);
    overflow: hidden; 
    background: var(--card-bg);
}
.slider-item.text-slide h3 {
    color: var(--primary-color); 
    font-size: 1.8em;
    margin: 0 0 10px 0;
    flex-shrink: 0; 
}

.text-scroll-wrapper {
    height: 100%;
    width: 100%;
    overflow-y: auto; 
    scroll-behavior: smooth; 
    -webkit-overflow-scrolling: touch; 
    /* মাস্কিং ব্ল্যাক ব্যাকগ্রাউন্ডের জন্য */
    mask-image: linear-gradient(transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(transparent 0%, black 10%, black 90%, transparent 100%);
    scrollbar-width: none; 
    -ms-overflow-style: none;  
}
.text-scroll-wrapper::-webkit-scrollbar {
    display: none; 
}

.slider-item.text-slide p {
    font-size: 1.1em;
    line-height: 1.8;
    margin: 0;
    padding: 0 5px; 
    color: var(--text-color); /* টেক্সট কালার ফিক্স */
}


/* স্লাইডার ডট */
.slider-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}
.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2); /* ডট হালকা */
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.slider-dot.active {
    background-color: var(--primary-color);
}

/* স্লাইডার নেভিগেশন */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background-color: rgba(50, 50, 50, 0.8); /* ডার্ক বাটন */
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}
.slider-nav:hover {
    background-color: var(--primary-color);
    color: white;
}
.slider-nav.prev { left: 15px; }
.slider-nav.next { right: 15px; }

@media (max-width: 600px) {
    .slider-container { height: 350px; }
    .slider-item.text-slide h3 { font-size: 1.4em; }
    .slider-item.text-slide p { font-size: 1em; }
    .slider-dot { width: 10px; height: 10px; }
    .slider-nav { width: 35px; height: 35px; font-size: 14px; }
}


/* 🏆 PACKAGE GRID (Dark Version) 🏆 */
.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
    max-width: 1400px; 
    margin: 20px auto; 
    gap: 15px; 
    padding: 0 10px; 
}

#card-how-it-works { display: none; }

.package-card {
    background: var(--card-bg); 
    border-radius: 15px; 
    padding: 15px; 
    text-align: center;
    transition: 0.3s;
    border: 2px solid transparent; 
    animation: rgb-border-anim 5s linear infinite alternate;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); 
    width: 100% !important; 
    margin: 0 !important; 
}

.package-card:hover {
    transform: translateY(-5px); 
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.package-card h3 {
    margin-bottom: 10px; 
    font-size: 20px; 
    padding: 8px 15px; 
    background-color: var(--primary-color); 
    color: #ffffff; 
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(15, 150, 156, 0.3);
    display: inline-block; 
    word-break: break-word; 
    overflow-wrap: break-word;
}

.package-card ul {
    list-style: none;
    text-align: left; 
    font-size: 15px; 
    margin-bottom: 10px; 
    padding: 0 5px;
    width: 100%; 
}

.package-card ul li {
    margin: 5px 0; 
    padding: 8px; 
    font-weight: 500; 
    border: 1px solid var(--border-color); 
    border-radius: 8px; 
    background: #2A2A2A; /* লিস্ট আইটেম ডার্ক */
    line-height: 1.5;
    display: flex;
    align-items: center;
    color: var(--text-color); 
}

.package-card ul li i {
    margin-right: 10px; 
    font-size: 16px; 
    color: var(--secondary-color); 
    flex-shrink: 0;
}


.price-container {
    margin: 10px auto; 
    padding: 5px 25px; 
    background: #2C2C2C; /* প্রাইস কন্টেইনার ডার্ক */
    border-radius: 50px;
    display: block; 
    width: fit-content; 
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.price {
    font-size: 26px; 
    font-weight: 800;
    color: var(--primary-color); 
    padding: 0;
}

/* --- বাটন গ্রুপ --- */
.button-group {
    display: flex; 
    justify-content: center;
    flex-wrap: wrap; 
    gap: 10px; 
    margin-top: 10px; 
    width: 100%; 
    padding: 0 5px; 
}

.buy-btn, .trial-btn, .channel-list-btn, .contact-btn {
    padding: 10px 20px; 
    border-radius: 50px; 
    font-size: 15px; 
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
    flex-basis: 48%; 
    text-align: center; 
    border: none;
}

.buy-btn {
    background: linear-gradient(135deg, var(--primary-color), #0C7A80);
    color: white;
    animation: scale-pulse 2s infinite ease-in-out;
}

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

.channel-list-btn { 
    background: var(--accent-color); 
    color: #000; /* ইয়েলোর উপর কালো টেক্সট */
}

.buy-btn:hover, .trial-btn:hover, .channel-list-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

/* --- পেমেন্ট বক্স --- */
.active-method {
    border: 3px solid var(--primary-color) !important;
    background-color: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 20px rgba(15, 150, 156, 0.3) !important;
}

.payment-box {
    background: var(--card-bg);
    max-width: 600px;
    margin: 15px auto;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}
.method-buttons button {
    background-color: #333; /* বাটন ডার্ক */
    color: #ddd;
    border: 1px solid #444;
    padding: 12px 20px;
    border-radius: 15px;
    cursor: pointer;
    font-weight: 600;
    flex: 1 1 45%;
    min-width: 100px;
    transition: 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.number-box {
    display: none;
    margin: 20px 0;
    padding: 20px;
    background: #252525; /* নম্বর বক্স ডার্ক */
    border-radius: 15px;
    font-size: 18px;
    font-weight: bold;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    border: 2px dashed var(--primary-color);
}
.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 14px;
}
/* ইনপুট ফিল্ড উজ্জ্বল করা হয়েছে */
.trx-container input, select, input#amount, input#renewInfo {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    border-radius: 12px;
    border: 1px solid #444;
    font-size: 16px;
    background: var(--input-bg); /* ডার্ক ইনপুট */
    color: white; /* ইনপুট টেক্সট সাদা */
    transition: border-color 0.3s;
}
.trx-container input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 150, 156, 0.3);
}

.confirm-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), #0C7A80);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 15px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(15, 150, 156, 0.3);
    margin-top: 10px;
}

/* --- কিভাবে কিনবেন - গাইড সেকশন --- */
.how-to-buy-guide {
    max-width: 700px;
    margin: 30px auto;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.how-to-buy-guide h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 24px;
}

.how-to-buy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.step-card {
    background: #252525; /* স্টেপ কার্ড ডার্ক */
    padding: 25px 20px;
    border-radius: 15px;
    border: 1px solid #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
    background: #2A2A2A;
}

.step-icon {
    font-size: 3em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.step-card h3 {
    color: var(--text-color);
    font-size: 1.2em;
    margin-bottom: 10px;
}

.step-card p {
    color: var(--light-text);
    font-size: 0.9em;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .how-to-buy-grid {
        grid-template-columns: 1fr; 
    }
    .how-to-buy-guide {
        margin: 10px;
        padding: 20px;
    }
}
/* --- গাইড সেকশন শেষ --- */

.youtube-banner-section {
    max-width: 700px;
    margin: 30px auto;
    padding: 30px;
    background: linear-gradient(135deg, #b30000, #800000); /* একটু ডার্ক রেড */
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.2);
    color: white;
    border: 4px solid rgba(255, 255, 255, 0.1);
}
.youtube-btn {
    display: inline-block;
    background-color: #fff;
    color: #FF0000;
    padding: 12px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
@media(max-width: 600px) {
    .youtube-banner-section {
        margin: 15px;
        padding: 20px;
    }
    .youtube-btn {
        padding: 10px 25px;
        font-size: 16px;
    }
}

.reviews-container {
    max-width: 100%;
    margin: 20px auto;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color); 
    position: relative;
    overflow: hidden;
}
.faq, .contact-section {
    max-width: 700px;
    margin: 20px auto;
}

/* --- FAQ সেকশনের স্টাইল --- */
details,
#faq-container details { 
    background: var(--card-bg);
    padding: 20px;
    margin: 15px 0;
    border-radius: 15px;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
}
details summary {
    font-weight: 600;
    color: var(--text-color);
    list-style: none; 
}
details summary::-webkit-details-marker { display: none; } /* হাইড মার্কার */
details p {
    margin-top: 15px;
    line-height: 1.7;
    color: var(--light-text);
    border-top: 1px solid #333;
    padding-top: 10px;
}


.support {
    max-width: 700px;
    margin: 20px auto;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    font-size: clamp(14px, 2.5vw, 18px);
    line-height: 1.6;
    border: 1px solid var(--border-color);
}
.news-ticker {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(90deg, #1a1a1a, #222); /* ডার্ক টিকার */
    color: #fff;
    font-size: 18px;
    padding: 12px 0;
    overflow: hidden;
    font-weight: bold;
    letter-spacing: 1px;
    z-index: 9998;
    border-top: 2px solid var(--primary-color);
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.3);
}

.news-ticker span {
    display: inline-block;
    white-space: nowrap;
    padding-left: 100%;
    animation-name: ticker;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-duration: 50s; 
}

@media(max-width: 600px) {
    .payment-box, .package-grid, .faq, .support, .reviews-container {
        margin: 10px;
        padding: 15px;
    }
    .method-buttons button {
        flex: 1 1 45%;
        font-size: 14px;
        padding: 10px;
    }
    .trx-container input, select, input#amount, input#renewInfo {
        font-size: 14px;
        padding: 12px;
    }
    .confirm-btn {
        font-size: 14px;
        padding: 12px;
    }
    .news-ticker {
        font-size: 14px;
        padding: 10px 0;
    }
    .package-card h3 {
        font-size: 18px;
    }
    .package-card ul li {
        font-size: 13px;
    }
    .buy-btn, .trial-btn, .channel-list-btn, .contact-btn {
        font-size: 13px;
        padding: 8px 15px; 
        flex-basis: 100%; 
    }
    .package-grid {
        grid-template-columns: 1fr; 
        padding: 0 5px;
    }
}

/* ---  রিভিউ স্ক্রলার --- */
.scroller-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    padding: 10px 0;
}
.scroller {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 10px;
    width: 100%;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.scroller::-webkit-scrollbar { display: none; }
.scroller img {
    height: 200px;
    width: auto;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    background: #fff; /* রিভিউ ইমেজের বর্ডার সাদা রাখা ভালো */
    padding: 5px;
}
.scroller img:hover {
    transform: scale(1.05);
}
.scroll-button {
    background: #333;
    color: var(--primary-color);
    border: 1px solid #555;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.scroll-button:hover {
    background: var(--primary-color);
    color: white;
}
.left-btn { margin-right: -20px; }
.right-btn { margin-left: -20px; }


/* --- নিউজ টিকার অ্যানিমেশন --- */
@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* --- পেমেন্ট ইন্সট্রাকশন বক্স --- */
.payment-instruction {
    display: none; 
    background: #3e3008; /* ডার্ক ইয়েলো ব্যাকগ্রাউন্ড */
    border: 1px dashed #856404;
    padding: 15px;
    margin: 15px 0;
    color: #ffecb5; /* টেক্সট লাইট ইয়েলো */
    font-weight: bold;
    text-align: center;
    border-radius: 10px;
}

/* --- সাপোর্ট সেকশনের বাটন --- */
.contact-accordion, .sub-accordion {
    background-color: #252525;
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    text-align: left;
    margin-top: 10px;
    transition: background-color 0.3s;
    font-size: 16px;
    border: 1px solid #333;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.contact-accordion:hover, .sub-accordion:hover {
    background-color: #2C2C2C;
    color: var(--primary-color);
}

.panel, .sub-panel {
    padding: 10px 20px; 
    overflow: hidden;
    display: none; 
    background: #1E1E1E;
    border-radius: 0 0 12px 12px;
}
.sub-panel ul {
    list-style: none;
    padding-top: 5px;
}

/* --- পেমেন্ট বাটন কালার --- */
.method-buttons {
    display: flex;
    flex-wrap: wrap; 
    gap: 15px;       
}
.method-buttons button {
    flex: 1 1 45%; 
}
#btn-bkash { background-color: #E2136E; color: white; border: none; }
#btn-nagad { background-color: #F26522; color: white; border: none; }
#btn-rocket { background-color: #663399; color: white; border: none; }
#btn-upay { background-color: #FFC107; color: #333; border: none; }
.method-buttons button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.renew-input { display: none; }

.video-guide-btn {
    display: block; 
    width: 100%;
    background-color: #FF0000; 
    color: white;
    padding: 15px 20px;
    border-radius: 15px;
    text-decoration: none; 
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    margin: 20px 0 10px 0; 
    transition: 0.3s;
    box-shadow: 0 4px 10px rgba(255,0,0,0.2);
}
.video-guide-btn i { margin-right: 8px; }
.video-guide-btn:hover {
    background-color: #d30000; 
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,0,0,0.3);
}

/* --- ফুটার স্টাইল --- */
.site-footer {
    text-align: center;
    padding: 30px 15px; 
    background-color: #0e0e0e; /* একদম কালো */
    color: #888;
    font-size: 14px;
    margin-top: 40px;
    border-top: 1px solid #333;
    line-height: 1.6; 
}
.site-footer p { margin: 5px 0; }

/* --- সাপোর্ট সেকশনের লিঙ্ক --- */
#support-links-container > a.contact-link, 
.sub-panel ul li a.contact-link {
    display: block; 
    background: #252525; 
    color: var(--text-color); 
    padding: 12px 15px;
    margin: 10px 0; 
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid #333;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    text-align: center; 
}
#support-links-container > a.contact-link:hover,
.sub-panel ul li a.contact-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}
.support > a.contact-link i { margin-right: 8px; }

/* --- অ্যাপ গাইড লিঙ্ক বাটন --- */
.faq-content a.download-link,
.app-item-card .app-links a.download-link {
    display: block; 
    background: #252525; 
    color: var(--text-color); 
    padding: 12px 15px; 
    margin: 8px 0; 
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid #333;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2); 
    font-size: 14px; 
    text-align: left; 
}
.faq-content a.download-link:hover,
.app-item-card .app-links a.download-link:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color); 
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}
.faq-content a.download-link i,
.app-item-card .app-links a.download-link i {
    margin-right: 10px;
    color: var(--primary-color);
}
.faq-content a.download-link:hover i,
.app-item-card .app-links a.download-link:hover i {
    color: white;
}

/* --- সাপোর্টেড ডিভাইস আইকন বার --- */
.supported-devices-bar {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.supported-devices-bar h4 {
    color: var(--primary-color);
    text-align: center;
    margin: 0 0 25px 0;
    font-size: 1.4em;
}
.supported-devices-bar h4 i { margin-right: 8px; }

.device-icons-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.device-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #aaa; /* আইকন কালার লাইট গ্রে */
    background: #252525;
    padding: 20px;
    border-radius: 12px;
    width: 110px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.device-icon-item:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
    background: #2C2C2C;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    border-color: #444;
}

.device-icon-item i {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.device-icon-item span {
    font-size: 0.9em;
    font-weight: 600;
}
/* --- আইকন বার শেষ --- */

/* --- অ্যাপ ইন্সটল গাইড (ট্যাবড লেআউট) --- */
.app-filter-buttons {
    display: flex; 
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 20px auto;
    padding: 0 10px;
    max-width: 700px;
}
.app-filter-buttons button {
    background-color: #252525;
    color: #ccc;
    border: 1px solid #444;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.app-filter-buttons button:hover {
    background-color: #333;
    color: var(--primary-color);
}
.app-filter-buttons button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(15, 150, 156, 0.3);
}
#dynamic-app-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 700px;
    margin: 20px auto;
    padding: 0 10px;
}
.app-item-card {
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}
.app-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.app-item-card h5 {
    font-size: 18px;
    color: var(--text-color);
    margin: 0;
    text-align: center;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}
.app-item-card .app-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.no-app-message {
    color: #888;
    text-align: center;
    padding: 20px;
    font-size: 16px;
    grid-column: 1 / -1; 
}

/* --- ভিডিও গ্যালারি (Dark Mode) --- */
.video-gallery-section {
    max-width: 1400px; 
    margin: 20px auto;
    padding: 0 10px;
}
.video-gallery-section h2 {
    color: var(--text-color);
    text-align: center;
    font-size: 24px;
    margin-bottom: 25px;
}
.video-carousel {
    display: flex; 
    overflow-x: auto; 
    gap: 20px;
    padding: 10px;
    width: 100%;
    scroll-behavior: smooth;
    scrollbar-width: none; 
    -ms-overflow-style: none; 
}
.video-carousel::-webkit-scrollbar { display: none; }
.video-card {
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid #333;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    overflow: hidden;
    transition: all 0.3s ease;
    flex-shrink: 0; 
    width: 300px; 
}
.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}
.video-thumbnail {
    height: 180px;
    position: relative;
    background-size: cover;
    background-position: center;
}
.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}
.video-card:hover .play-overlay { opacity: 1; }
.play-overlay i {
    font-size: 60px;
    color: rgba(255, 255, 255, 0.9);
    transition: transform 0.3s ease, color 0.3s ease;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}
.video-card:hover .play-overlay i {
    transform: scale(1.1);
    color: #fff;
}
.video-card-content {
    padding: 15px;
}
.video-card-content h4 {
    color: var(--text-color);
    font-size: 1.1em;
    margin-bottom: 8px;
    font-weight: 600;
}
.video-card-content p {
    color: var(--light-text);
    font-size: 0.9em;
    line-height: 1.5;
}

/* --- ভিডিও Modal --- */
.video-modal {
    display: none; 
    position: fixed; 
    z-index: 9999; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.9); 
    backdrop-filter: blur(5px);
}
.video-modal-content {
    position: relative;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 800px;
    background-color: #000;
    box-shadow: 0 8px 30px rgba(0,0,0,0.8);
}
.video-modal-content iframe {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9; 
    height: auto;
}
.video-close-btn { 
    color: #fff;
    position: absolute;
    top: -35px;
    right: 0;
    font-size: 35px;
    font-weight: bold;
    transition: 0.3s;
    opacity: 0.8;
}
.video-close-btn:hover,
.video-close-btn:focus {
    color: #fff;
    opacity: 1;
    text-decoration: none;
    cursor: pointer;
}