/* ====== Base & Variables ====== */
:root {
    /* আধুনিক ব্যাকগ্রাউন্ড কালার প্যালেট */
    --bg-main: #0a0f1c; 
    --bg-gradient: radial-gradient(circle at top right, #1e293b, #0a0f1c 80%);
    
    /* টেক্সট কালার */
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    
    /* প্রাইমারি কালার (Cyan & Blue Mix) */
    --primary: #0ea5e9; /* Sky Blue */
    --primary-dark: #0284c7;
    --secondary: #6366f1; /* Indigo */
    --accent: #f43f5e; /* Rose */
    
    /* গ্লাস ইফেক্ট এবং শ্যাডো */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow: 0 0 20px rgba(14, 165, 233, 0.4);
    
    --radius: 20px;
}

/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Hind Siliguri', sans-serif;
    scroll-behavior: smooth;
}

html, body {
    width: 100%;
    min-height: 100vh;
    background: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
}

/* ক্যানভাস ব্যাকগ্রাউন্ড (ফিক্সড) */
#network-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-gradient);
}

/* ===== Navbar (Premium Glass Effect) ===== */
/* =========================================
   UPDATED NAVBAR STYLES (Clean & Premium)
   ========================================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 5%;
    background: rgba(10, 15, 28, 0.85); /* একটু বেশি সলিড ব্যাকগ্রাউন্ড */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    height: 80px;
}

/* লোগো স্টাইল */
.logo img {
    height: 55px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s;
    filter: drop-shadow(0 0 5px rgba(14, 165, 233, 0.3));
}

.logo:hover img {
    transform: scale(1.05);
}

/* --- ১. মাঝখানের মেনু লিঙ্ক --- */
.nav-center {
    display: flex;
    gap: 2.5rem;
}

.nav-center a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    transition: 0.3s;
}

.nav-center a:hover {
    color: var(--primary);
    text-shadow: 0 0 10px rgba(14, 165, 233, 0.4);
}

/* হোভার এফেক্ট (Underline) */
.nav-center a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s;
}

.nav-center a:hover::after {
    width: 100%;
}

/* --- ২. ডান পাশের বাটন গ্রুপ --- */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* ছোট গোল আইকন বাটন (FTP & Cart) */
.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
}

.icon-btn:hover {
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* গ্লাস বাটন (Bill Payment) */
.btn-glass {
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

/* গ্রেডিয়েন্ট বাটন (New Connection - Highlighted) */
.btn-gradient {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    transition: 0.3s;
    white-space: nowrap;
}

/* ডিভাইস গ্যালারি বাটন (Store Button Style) */
.btn-Store {
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    /* খুব হালকা নীল ব্যাকগ্রাউন্ড যাতে টেক্সট ভেসে থাকে */
    background: rgba(14, 165, 233, 0.08); 
    border: 1px solid var(--primary);     /* সলিড নীল বর্ডার */
    color: var(--primary);                /* উজ্জ্বল নীল টেক্সট */
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap; /* লেখা যেন ভেঙে নিচে না নামে */
}

/* হোভার করলে যা হবে */
.btn-Store:hover {
    background: var(--primary);           /* পুরো বাটন নীল হয়ে যাবে */
    color: #ffffff;                       /* টেক্সট সাদা হয়ে যাবে */
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.5); /* সুন্দর গ্লো ইফেক্ট */
    transform: translateY(-2px);          /* একটু উপরে উঠবে */
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
}

/* --- ৩. মোবাইল রেসপন্সিভনেস --- */
.menu-icon {
    display: none;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
}

/* মোবাইল স্লাইড মেনু (ডিফল্ট অবস্থায় লুকানো) */
.nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 15, 28, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    padding-top: 80px;
    gap: 1.5rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 999;
    border-left: 1px solid rgba(255,255,255,0.1);
}

.nav-links.active {
    right: 0;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 30px;
    transition: 0.3s;
    display: block;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(255,255,255,0.03);
    padding-left: 35px; /* স্লাইড ইফেক্ট */
}

/* মোবাইল ব্রেকপয়েন্ট */
@media (max-width: 1100px) {
    /* ট্যাবলেট বা ছোট স্ক্রিনে মাঝখানের লিঙ্ক এবং বাটন লুকানো থাকবে */
    .nav-center, .nav-actions {
        display: none;
    }
    
    /* হ্যামবার্গার আইকন দেখাবে */
    .menu-icon {
        display: block;
        z-index: 1000;
    }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 90vh; /* হাইট বাড়ানো হয়েছে */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

/* টেক্সট গ্রেডিয়েন্ট */
.highlight {
    background: linear-gradient(to right, var(--primary), #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Main Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: var(--glow);
    border: 1px solid transparent;
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.6);
    transform: translateY(-3px);
}

.btn-outline {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    transform: translateY(-3px);
}

/* ===== Section Styling ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
    background: linear-gradient(to bottom, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Packages (Glassmorphism Cards) ===== */
.packages {
    padding: 5rem 5%;
}

.pricing-container {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.price-card {
    width: 340px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.price-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), inset 0 0 20px rgba(255,255,255,0.05);
}

/* কার্ডের ভেতরের ডিজাইন */
.package-name {
    font-size: 1.5rem;
    color: var(--text-main);
    font-weight: 700;
}

.price {
    background: rgba(255,255,255,0.1);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    color: var(--primary);
    font-weight: 800;
    font-size: 1.2rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.speed {
    font-size: 3.5rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: #fff;
    display: flex;
    align-items: baseline;
    text-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

.speed span {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-left: 8px;
    font-weight: 500;
}

.features-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.features-list li {
    margin: 1rem 0;
    color: #cbd5e1;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
}

.features-list i {
    color: var(--primary);
    margin-right: 1rem;
    background: rgba(14, 165, 233, 0.1);
    padding: 8px;
    border-radius: 50%;
    font-size: 0.9rem;
}

.btn-card {
    display: block;
    text-align: center;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.btn-card:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.4);
}

/* কার্ড থিম বর্ডার (টপ) */
.theme-silver { border-top: 4px solid #94a3b8; }
.theme-gold { border-top: 4px solid #fbbf24; background: linear-gradient(180deg, rgba(251, 191, 36, 0.05), rgba(255,255,255,0.02)); }
.theme-diamond { border-top: 4px solid #38bdf8; background: linear-gradient(180deg, rgba(56, 189, 248, 0.05), rgba(255,255,255,0.02)); }

/* জনপ্রিয় ব্যাজ */
.popular-badge {
    position: absolute;
    top: 25px;
    right: -35px;
    background: linear-gradient(45deg, #f43f5e, #e11d48);
    color: #fff;
    padding: 6px 40px;
    transform: rotate(45deg);
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.5);
    z-index: 2;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 4rem 5%;
    text-align: center;
    position: relative;
}

.contact-cards {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: #fff;
    border-radius: 20px;
    padding: 2.5rem;
    min-width: 260px;
    transition: transform 0.3s;
}

.contact-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.3rem;
    transition: color 0.3s;
}

.contact-link:hover {
    color: #fff;
}

.icon-glow {
    color: var(--primary);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px rgba(14, 165, 233, 0.6));
    font-size: 2.5rem;
}

/* ===== Speed Test ===== */
.speed-test-section {
    text-align: center;
    padding: 3rem 2rem;
    margin: 2rem auto;
    max-width: 900px;
    background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.05));
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.btn-speed {
    margin-top: 2rem;
    background: linear-gradient(45deg, #10b981, #059669);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s;
}

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

/* ===== Footer ===== */
footer {
    padding: 3rem 5%;
    margin-top: 5rem;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    margin-left: 0.8rem;
    color: #fff;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.3s;
}

.social-icons a:hover {
    background: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.4);
}

/* =========================================
   MOBILE RESPONSIVENESS
   ========================================= */

@media (max-width: 900px) {
    .hero h1 { font-size: 2.5rem; }
    .price-card { width: 100%; max-width: 380px; }
}

@media (max-width: 768px) {
    .menu-icon {
        display: block;
        z-index: 1100;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(10, 15, 28, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
        z-index: 1050;
        border-left: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links.active { right: 0; }

    .nav-links a {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
        padding: 10px;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s, transform 0.4s;
    }

    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
    }

    /* Stagger effect */
    .nav-links.active a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active a:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active a:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active a:nth-child(4) { transition-delay: 0.4s; }
    .nav-links.active a:nth-child(5) { transition-delay: 0.5s; }
    .nav-links.active a:nth-child(6) { transition-delay: 0.6s; }

    .btn-pay, .btn-apply, .btn-ftp {
        width: 70%;
        margin: 0 auto;
        justify-content: center;
    }

    .hero-ctas { flex-direction: column; width: 100%; }
    .btn { width: 100%; justify-content: center; }
    .footer-inner { flex-direction: column; text-align: center; }
}

/* ============================================ */
/* PROFESSIONAL CHATBOT STYLES                  */
/* ============================================ */

/* Launcher Button */
.chat-launcher {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.5);
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chat-launcher i {
    font-size: 1.8rem;
    color: white;
    transition: transform 0.3s;
}

.chat-launcher:hover {
    transform: scale(1.1) rotate(-5deg);
}

.chat-launcher:hover i {
    transform: rotate(15deg);
}

/* Chat Window Main */
.chat-window {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 360px;
    height: 500px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    z-index: 9999;
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Header */
.chat-header {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bot-avatar {
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.3);
}

.chat-info h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.status-text {
    font-size: 0.75rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-dot {
    height: 6px;
    width: 6px;
    background-color: #4ade80;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 5px #4ade80;
}

.close-chat {
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: 0.3s;
}

.close-chat:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}

/* Body */
.chat-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    scroll-behavior: smooth;
}

/* Messages */
.message {
    max-width: 80%;
    padding: 12px 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
    animation: messageIn 0.3s ease;
}

@keyframes messageIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.bot-message {
    background: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
    border-radius: 15px 15px 15px 2px;
    align-self: flex-start;
    border: 1px solid rgba(255,255,255,0.05);
}

.user-message {
    background: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 15px 15px 2px 15px;
    align-self: flex-end;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.2);
}

/* Quick Reply Chips */
.suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
}

.chip {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.chip:hover {
    background: var(--primary);
    color: white;
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.08);
    padding: 10px 15px;
    border-radius: 15px;
    margin-bottom: 10px;
    width: fit-content;
}

.typing-indicator span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: #94a3b8;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
    margin: 0 2px;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Footer */
.chat-footer {
    padding: 15px;
    background: rgba(2, 6, 23, 0.3);
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-footer input {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 12px 15px;
    border-radius: 25px;
    color: white;
    outline: none;
    font-size: 0.95rem;
    transition: 0.3s;
}

.chat-footer input:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.1);
}

.chat-footer button {
    background: var(--primary);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}

.chat-footer button:hover {
    background: var(--secondary);
    transform: scale(1.05);
}

/* Scrollbar */
.chat-body::-webkit-scrollbar { width: 5px; }
.chat-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
.chat-body::-webkit-scrollbar-track { background: transparent; }

/* ===== Maintenance Popup Styles ===== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85); /* গাঢ় ব্যাকগ্রাউন্ড */
    backdrop-filter: blur(8px); /* ব্লার ইফেক্ট */
    z-index: 10000; /* চ্যাটবট এবং ন্যাভবারের উপরে থাকবে */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

/* যখন পপ-আপ অ্যাক্টিভ হবে */
.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: rgba(15, 23, 42, 0.95); /* আপনার সাইটের ডার্ক থিম */
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.2); /* নীল গ্লো */
    transform: scale(0.8);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.popup-overlay.active .popup-content {
    transform: scale(1);
}

.popup-icon {
    width: 80px;
    height: 80px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.popup-icon i {
    font-size: 2.5rem;
    color: #0ea5e9; /* আপনার প্রাইমারি কালার */
    animation: spin-wrench 2s infinite ease-in-out;
}

.popup-content h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.popup-content p {
    color: #94a3b8; /* Muted text color */
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn-popup {
    background: linear-gradient(90deg, #0ea5e9, #6366f1);
    color: white;
    border: none;
    padding: 12px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.3);
}

.btn-popup:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
}

/* আইকন এনিমেশন */
@keyframes spin-wrench {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(-20deg); }
    50% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
    100% { transform: rotate(0deg); }
}

/* ===== Mobile Menu Button Fixes ===== */

/* মোবাইলে বাটনগুলোর সাইজ এবং পজিশন ঠিক করা */
.nav-links .mobile-btn {
    width: 85%;              /* মোবাইলের পর্দার ৮৫% জায়গা নেবে */
    margin: 8px auto;        /* মাঝখানে রাখবে */
    justify-content: center; /* লেখা এবং আইকন মাঝখানে থাকবে */
    padding: 0.8rem 1rem;    /* একটু মোটা দেখাবে যাতে টাচ করা সহজ হয় */
    font-size: 1rem;
}

/* ডিভাইস গ্যালারি বাটন স্পেশাল ফিক্স (মোবাইলে) */
.nav-links .btn-Store {
    background: rgba(14, 165, 233, 0.1); /* ব্যাকগ্রাউন্ড একটু গাড় হবে */
}

.nav-links .btn-Store:hover {
    background: var(--primary);
    color: #fff;
}

/* FTP বা অন্য সাধারণ লিংকের জন্য */
.mobile-link {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 10px 30px;
    display: block;
    transition: 0.3s;
}

.mobile-link:hover {
    color: var(--primary);
    padding-left: 35px;
}

/* =========================================
   COVERAGE AREA STYLES
   ========================================= */

.coverage-section {
    padding: 4rem 5%;
    position: relative;
}

.coverage-grid {
    display: grid;
    /* রেসপন্সিভ গ্রিড: মোবাইলে ১টা, ট্যাবে ২টা, পিসিতে ৩/৪টা */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.location-card {
    background: var(--glass-bg); /* আপনার থিম ভেরিয়েবল */
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    position: relative;
    overflow: hidden;
}

/* আইকন ডিজাইন */
.loc-icon {
    width: 50px;
    height: 50px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--primary);
    font-size: 1.5rem;
    transition: 0.3s;
}

/* এলাকার নাম */
.location-card h3 {
    color: #e2e8f0;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* হোভার ইফেক্ট */
.location-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.15);
}

.location-card:hover .loc-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* Coming Soon কার্ড ডিজাইন (ভিন্ন লুক) */
.coming-soon {
    border-style: dashed;
    opacity: 0.7;
}

.coming-soon h3 {
    color: #94a3b8;
    font-style: italic;
}

/* মোবাইল ফিক্স */
@media (max-width: 600px) {
    .coverage-grid {
        grid-template-columns: repeat(2, 1fr); /* মোবাইলে পাশাপাশি দুটো দেখাবে */
    }
}
/* =========================================
   SUPPORT TICKET STYLES
   ========================================= */

.support-section {
    padding: 4rem 5%;
}

.support-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
}

/* ট্যাব ডিজাইন */
.support-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 15px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: #94a3b8;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn.active, .tab-btn:hover {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* ফর্ম এলিমেন্টস */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

.input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

input, select, textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: 10px;
    color: white;
    margin-bottom: 15px;
    font-size: 0.95rem;
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

textarea {
    resize: none;
}

.custom-select option {
    background: #0f172a; /* ড্রপডাউনের ব্যাকগ্রাউন্ড কালো */
    color: white;
}

.btn-submit, .btn-check-status {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.3);
}

/* টিকিট রেজাল্ট কার্ড */
.status-search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.ticket-result-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 20px;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
}

.ticket-id {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge.processing { background: rgba(251, 191, 36, 0.2); color: #fbbf24; }
.badge.solved { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.badge.pending { background: rgba(244, 63, 94, 0.2); color: #f43f5e; }

/* টেকনিশিয়ান ইনফো */
.technician-info {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(14, 165, 233, 0.05);
    padding: 12px;
    border-radius: 10px;
    margin-top: 15px;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.tech-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.tech-name {
    font-weight: 600;
    color: #e2e8f0;
    margin: 2px 0;
}

.tech-phone {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* মোবাইল রেসপন্সিভ */
@media (max-width: 600px) {
    .input-group {
        grid-template-columns: 1fr;
    }
}
/* =========================================
   CENTERED POPUP NOTIFICATION STYLES
   ========================================= */
#notification-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100000; /* সবার উপরে */
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.7); /* পেছনের ব্যাকগ্রাউন্ড ঝাপসা/কালো হবে */
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#notification-container.active {
    opacity: 1;
    visibility: visible;
}

.toast {
    background: #0f172a; /* ডার্ক ব্যাকগ্রাউন্ড */
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.3);
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#notification-container.active .toast {
    transform: scale(1);
}

/* আইকন স্টাইল */
.toast-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 10px;
}

.toast.success .toast-icon {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.toast.error .toast-icon {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* মেসেজ টেক্সট */
.toast h3 {
    margin: 0;
    font-size: 1.5rem;
    color: #fff;
}

.toast p {
    color: #94a3b8;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

/* বাটন ডিজাইন */
.btn-toast-close {
    margin-top: 15px;
    padding: 10px 30px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
    outline: none;
}

.btn-toast-close:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.6);
}