* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f2f5f9;
    color: #333;
    -webkit-font-smoothing: antialiased;
}

/* NAVBAR */
.navbar {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* CONTAINER */
.nav-container {
    max-width: 1300px;
    height: 70px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

/* LEFT */
.nav-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 42px;
    transition: transform 0.3s ease;
}

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

.brand-label {
    font-size: 18px;
    font-weight: 700;
    color: #003366;
}

/* RIGHT MENU */
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* BUTTON */
.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    color: #003366;
    border-radius: 8px;
    transition: 0.25s;
    cursor: pointer;
}

.nav-btn i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.nav-btn:hover {
    background: #003366;
    color: white;
}

.nav-btn.active {
    background: #003366;
    color: white;
}

/* DROPDOWN */
.dropdown { position: relative; }

.submenu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background: white;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    min-width: 240px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 6px 0;
    
    /* Smooth modern animation instead of display:none */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown.open .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu a {
    padding: 12px 18px;
    text-decoration: none;
    color: #003366;
    font-size: 14px;
    font-weight: 500;
    transition: 0.25s;
}

.submenu a:hover {
    background: #003366;
    color: white;
    padding-left: 22px; /* Subtle indent on hover */
}

/* BURGER */
.menu-toggle {
    width: 28px;
    height: 20px;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    z-index: 1100;
}

.menu-toggle span {
    height: 3px;
    width: 100%;
    background: #003366;
    border-radius: 3px;
    transition: 0.3s;
}

/* BURGER TO X */
.menu-toggle.active span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* DESKTOP */
@media (min-width: 993px) {
    .menu-toggle { display: none; }
}

/* ============================= */
/* MOBILE MENU (MODERNIZED)      */
/* ============================= */
@media (max-width: 992px) {
    .menu-toggle { display: flex; }
    
    .brand-label { font-size: 16px; }
    
    .nav-right {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        align-items: stretch; /* Makes buttons full width naturally */
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-right.open {
        max-height: 800px;
        border-top: 1px solid #f0f0f0;
    }
    
    .nav-btn {
        width: 100%;
        padding: 16px 20px;
        border-radius: 0;
        border-bottom: 1px solid #f5f5f5; /* Subtle separator */
        font-size: 15px;
    }

    .nav-btn:last-child {
        border-bottom: none;
    }
    
    .submenu {
        position: relative;
        top: 0;
        box-shadow: inset 0 3px 5px rgba(0,0,0,0.02); /* Inner depth */
        border-radius: 0;
        max-height: 0;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        overflow: hidden;
        background: #f8f9fc; /* Slightly darker to show hierarchy */
        border-bottom: 1px solid #f5f5f5;
    }
    
    .dropdown.open .submenu {
        max-height: 400px;
        padding: 0;
    }
    
    .submenu a {
        padding: 14px 20px 14px 45px; /* Deep indent to align with text above */
        border-bottom: 1px solid #f0f0f0;
        display: block;
    }

    .submenu a:last-child {
        border-bottom: none;
    }
    
    .arrow { margin-left: auto; transition: transform 0.3s ease; }
    .dropdown.open .arrow { transform: rotate(180deg); }
}

/* ============================= */
/* FIL PRODUCTS SMART CHAT UI v2 */
/* ============================= */

/* FLOAT BUTTON */
#chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 65px;
    height: 65px;
    background: #003366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    cursor: pointer;
    z-index: 9998;
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.3);
    transition: transform 0.3s ease;
}

#chat-toggle:hover {
    transform: scale(1.05);
}

/* PANEL */
#chat-panel {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 300px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    
    /* Smooth reveal animation */
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

/* HEADER */
.chat-header {
    background: #003366;
    color: white;
    padding: 12px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-header img { width: 35px; }
.chat-header span { margin-left: auto; cursor: pointer; font-size: 18px; }

/* BODY */
.chat-body { padding: 15px; }

.greetings {
    color: #000000;
    margin-bottom: 15px;
}

.chat-option {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    display: flex;
    gap: 10px;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.chat-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* COLORS */
.messenger { background: #0084FF; }
.call { background: #28a745; }
.apply { background: #ff9800; }

/* ============================= */
/* MODAL */
/* ============================= */

.modal {
    opacity: 0;
    visibility: hidden;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    padding: 20px;
    border-radius: 15px;
    width: 280px;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

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

.modal-content h3 { margin-bottom: 15px; color: #333; }

.modal-btn {
    display: block;
    padding: 12px;
    margin: 10px 0;
    border-radius: 10px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: opacity 0.2s ease;
}

.modal-btn:hover { opacity: 0.9; }

.globe { background: #007bff; }
.smart { background: #28a745; }
.residential { background: #ff9800; }
.business { background: #003366; }

.close-btn {
    margin-top: 10px;
    padding: 8px 12px;
    border: none;
    background: #ccc;
    color: #333;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
    width: 100%;
}

.close-btn:hover { background: #bbb; }