:root {
        --bg-color: #0d1117;
        --surface-color: #161b22;
        --text-primary: #f0f6fc;
        --text-secondary: #8b949e;
        --accent-blue: #0054a6;
        --accent-blue-hover: #004285;
        --accent-red: #ff0000;
        --accent-red-hover: #cc0000;
        --nav-height: 80px;
        --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        --nav-bg: rgba(13, 17, 23, 0.85);
        --card-border: rgba(255,255,255,0.05);
        --input-bg: rgba(255,255,255,0.05);
        --shadow-color: rgba(0,0,0,0.4);
    }

    /* ===== DARK MODE THEME ===== */
    [data-theme="dark"] .navbar {
        background: rgba(13,17,23,0.85);
    }

    [data-theme="dark"] .navbar.scrolled {
        background: rgba(13,17,23,0.95);
        box-shadow: 0 5px 20px rgba(0,0,0,.5);
    }

    /* ===== LIGHT MODE THEME ===== */
    [data-theme="light"] {
        --bg-color: #e9edf3;
        --surface-color: #f8fafc;
        --text-primary: #1a1a2e;
        --text-secondary: #4a5568;

        --accent-blue: #0054a6;
        --accent-blue-hover: #004285;

        --accent-red: #d90000;
        --accent-red-hover: #b00000;

        --nav-bg: rgba(248,250,252,0.95);

        --card-border: rgba(0,0,0,0.15);

        --input-bg: rgba(0,0,0,0.05);

        --shadow-color: rgba(0,0,0,0.18);
    }

    [data-theme="light"] .navbar.scrolled {
        background: rgba(255,255,255,0.95);
        box-shadow: 0 5px 20px rgba(0,0,0,.15);
    }

    [data-theme="light"] body {
        background-color: var(--bg-color);
        color: var(--text-primary);
    }

    [data-theme="light"] .navbar {
        background: rgba(255,255,255,0.85);
    }

    [data-theme="light"] .nav-links li a {
        color: var(--text-primary);
    }

    [data-theme="light"] .dropdown-menu {
        background: #ffffff;
        border: 1px solid rgba(0,0,0,0.08);
        box-shadow: 0 8px 25px var(--shadow-color);
    }

    [data-theme="light"] .dropdown-menu li a {
        color: var(--text-secondary);
    }

    [data-theme="light"] .footer {
        background: #e8ecf1;
        border-top: 1px solid rgba(0,0,0,0.1);
    }

    [data-theme="light"] #particles-js canvas {
        opacity: 0.3;
    }


    /* ===== Section Titles ===== */
    .reviews-section {
        max-width: 1200px;
        margin: 0 auto;
        padding: 60px 10% 60px;
        text-align: center;
    }

    /* ===== Ratings Section ===== */
    .reviews-section {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 10% 60px;
        text-align: center;
    }

    .reviews-section h2 {
        margin: 0 0 20px 0;
    }

    .section {
        margin: 0;
    }

    /* ===== HERO ===== */
    .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 10%;
        margin: 0;
    }

    /* ===== THEME TOGGLE BUTTON ===== */
    .theme-toggle-btn {
        background: var(--surface-color);
        border: 1px solid var(--card-border);
        color: var(--text-secondary);
        width: 38px;
        height: 38px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1rem;
        transition: var(--transition);
        flex-shrink: 0;
    }

    .theme-toggle-btn:hover {
        color: var(--accent-blue);
        border-color: var(--accent-blue);
        transform: rotate(20deg);
    }


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

    body {
        font-family: 'Inter', sans-serif;
        background-color: var(--bg-color);
        color: var(--text-primary);
        overflow-x: hidden;
        line-height: 1.6;
    }

    h1, h2, h3, h4, .brand {
        font-weight: 800;
    }

    a {
        text-decoration: none;
        color: var(--text-primary);
    }

    #particles-js {
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        z-index: 0;
        pointer-events: none;
    }

    /* Navbar */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        height: var(--nav-height);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 5%;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--card-border);
        z-index: 1000;
        transition: var(--transition);
    }

    .navbar.scrolled {
        background: var(--nav-bg) !important;
        border-bottom: 1px solid var(--card-border) !important;
        box-shadow: 0 2px 12px var(--shadow-color);
    }

    .logo img {
        height: 60px;
        object-fit: contain;
    }

    .nav-links {
        display: flex;
        list-style: none;
        gap: 2rem;
    }

    .nav-links li a {
        font-size: 0.95rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        transition: var(--transition);
        position: relative;
        padding: 5px 0;
    }

    .nav-links li a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0%;
        height: 2px;
        background-color: var(--accent-red);
        transition: var(--transition);
    }

    .nav-links li a:hover::after, .nav-links li a.active::after {
        width: 100%;
    }
    .nav-links li a:hover, .nav-links li a.active {
        color: var(--accent-blue);
    }

    /* Mobile Menu */
    .hamburger {
        display: none;
        cursor: pointer;
    }

    .hamburger .line {
        width: 25px;
        height: 3px;
        background-color: var(--text-primary);
        margin: 5px;
        transition: var(--transition);
    }

    /* Buttons */
    .btn {
        padding: 0.8rem 2rem;
        border-radius: 4px;
        font-family: 'Fira Code', monospace;
        font-weight: 600;
        font-size: 0.9rem;
        cursor: pointer;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn.primary {
        background-color: var(--accent-blue);
        color: #fff;
        border: 1px solid var(--accent-blue);
        box-shadow: 0 4px 14px rgba(0, 84, 166, 0.4);
    }

    .btn.primary:hover {
        background-color: transparent;
        border-color: var(--accent-blue);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 84, 166, 0.6);
    }

    .btn.secondary {
        background-color: transparent;
        color: var(--accent-red);
        border: 1px solid var(--accent-red);
    }

    .btn.secondary:hover {
        background-color: rgba(255,0,0,0.1);
        transform: translateY(-2px);
        box-shadow: 0 4px 14px rgba(255, 0, 0, 0.2);
    }

    /* Sections Base */
    section {
        min-height: 100vh;
        padding: 100px 10%;
        position: relative;
        z-index: 2;
    }

    .section-title {
        font-size: 2.5rem;
        color: var(--text-primary);
        margin-bottom: 2rem;
        position: relative;
        display: inline-block;
    }

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 50px;
        height: 3px;
        background-color: var(--accent-blue);
    }

    /* Base Responsive Elements */
    @media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 100vh;
        top: var(--nav-height);
        background-color: var(--surface-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.4s ease-in;
        padding-top: 2rem;
        border-left: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-links.nav-active {
        transform: translateX(0%);
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.toggle .line:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.toggle .line:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.toggle .line:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
        }
    }

    /* Footer */
    .footer {
        width: 100%;
        padding: 30px;
        text-align: center;
        background: #0d1117;
        border-top: 1px solid rgba(255,255,255,0.05);
        color: var(--text-secondary);
        font-family: 'Fira Code', monospace;
        font-size: 0.9rem;
        position: relative;
        bottom: 0;
        z-index: 10;
    }

    /* Nav Dropdown Menu */
    .dropdown {
        position: relative;
        display: inline-block;
    }

    .dropdown-menu {
        display: block;
        position: absolute;
        top: 150%;
        left: 0;
        background-color: var(--surface-color);
        min-width: 180px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.5);
        border: 1px solid rgba(255,255,255,0.05);
        border-radius: 6px;
        z-index: 1500;
        padding: 10px 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: var(--transition);
    }

    @media (min-width: 769px) {
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        top: 100%;
    }
}

    .dropdown-menu li {
        list-style: none;
    }

    .dropdown-menu li a {
        display: block;
        padding: 10px 20px;
        font-size: 0.9rem;
        color: var(--text-secondary);
        transition: var(--transition);
        text-transform: capitalize;
    }

    .dropdown-menu li a::after {
        display: none; /* remove hover line */
    }

    .dropdown-menu li a:hover {
        background-color: rgba(0, 84, 166, 0.1);
        color: var(--accent-blue);
        padding-left: 25px; /* slide effect */
    }

    #nav-cart-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-primary);
    }

    .cart-badge-count {
        background: var(--accent-red);
        color: #fff;
        font-family: 'Fira Code', monospace;
        font-size: 0.75rem;
        font-weight: 800;
        padding: 2px 6px;
        border-radius: 12px;
    }

    /* ===== GLOBAL DROPDOWN SELECT STYLING ===== */
    .select {
        background-color: var(--surface-color);
        color: var(--text-primary);
        border: 1px solid var(--card-border);
        transition: var(--transition);
    }

    .select:focus {
        outline: none;
        border-color: var(--accent-blue);
    }

    .select option {
        background-color: var(--bg-color);
        color: var(--text-primary);
    }
    
    /* ===== FOOTER CREDIT ===== */
    .footer-credit {
        color: var(--text-secondary);
        font-size: 0.6rem;
    }

    /* ===== Mobile Services Dropdown ===== */
    @media screen and (max-width: 768px) {

    .dropdown-menu {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0;
        display: none;
    }

    .dropdown-menu.active {
        display: block !important;
    }

    .dropdown:hover .dropdown-menu {
        display: none;
    }

    .dropdown-menu li a {
        display: block;
        width: 100%;
        padding: 12px 0;
        text-align: center !important;
    }

    .dropdown-menu li {
        text-align: center;
    }

    .services-toggle {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .services-dropdown {
        left: 0;
        margin: 0;
        transform: none !important;
    }

    .dropdown-menu li a:hover {
        padding-left: 0;
    }

}

/* ===== Mobile Responsive ===== */
@media screen and (max-width: 768px) {

    .services-section {
        padding-top: 100px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 30px 20px;
    }

    .service-card h3 {
        font-size: 1.15rem;
    }

    .service-card p {
        font-size: 0.9rem;
    }

    .icon {
        font-size: 2.5rem;
    }
}

/* Floating Cart */
#cart-float-btn{
    position: fixed;
    bottom: 100px;              /* Above WhatsApp */
    right: 30px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--accent-blue);
    color:#fff;
    display:none;
    align-items:center;
    justify-content:center;
    text-decoration:none;
    font-size:1.6rem;
    z-index:9998;

    box-shadow:0 4px 20px rgba(0,84,166,.45);
    transition:transform .3s,
               box-shadow .3s,
               opacity .3s;
}

#cart-float-btn{

    position:fixed;
    bottom:100px;
    right:30px;

    width:58px;
    height:58px;

    border-radius:50%;

    background:#0054a6;

    color:#fff;

    display:none;

    justify-content:center;
    align-items:center;

    text-decoration:none;

    font-size:1.6rem;

    z-index:9998;

    box-shadow:
        0 0 0 rgba(0,84,166,.5),
        0 4px 20px rgba(0,84,166,.45);

    animation:
        cartFloat 2.8s ease-in-out infinite,
        cartGlow 2s infinite;

}

@keyframes cartGlow{

    0%{
        box-shadow:
        0 0 0 rgba(0,84,166,.4),
        0 4px 20px rgba(0,84,166,.4);
    }

    50%{
        box-shadow:
        0 0 20px rgba(0,84,166,.75),
        0 6px 28px rgba(0,84,166,.7);
    }

    100%{
        box-shadow:
        0 0 0 rgba(0,84,166,.4),
        0 4px 20px rgba(0,84,166,.4);
    }

}

/* Floating animation */
@keyframes cartFloat{
    0%{transform:translateY(0);}
    50%{transform:translateY(-5px);}
    100%{transform:translateY(0);}
}

#cart-float-btn{
    animation:cartFloat 2.8s ease-in-out infinite;
}

/* Badge */
#cart-float-count{
    position:absolute;
    top:-5px;
    right:-5px;
    background:var(--accent-red);
    color:#fff;
    min-width:22px;
    height:22px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:.75rem;
    font-weight:bold;
    border:2px solid white;
}

#floating-repair{

    position:fixed;

    left:20px;

    bottom:30px;

    width:60px;

    height:60px;

    border-radius:50%;

    background:#0054a6;

    display:flex;

    justify-content:center;

    align-items:center;

    color:white;

    text-decoration:none;

    z-index:9999;

    box-shadow:0 4px 20px rgba(0,84,166,.45);

    transition:.3s;

}

#floating-repair:hover{

    transform:scale(1.1);

    box-shadow:0 6px 28px rgba(0,84,166,.65);

}

.repair-label{

    position:absolute;

    left:70px;

    white-space:nowrap;

    background:#0054a6;

    color:#fff;

    padding:8px 14px;

    border-radius:20px;

    opacity:0;

    transform:translateX(-10px);

    transition:.3s;

    pointer-events:none;

}

#floating-repair:hover .repair-label{

    opacity:1;

    transform:translateX(0);

}

@keyframes cartPop{
    0%{transform:scale(.6);}
    60%{transform:scale(1.2);}
    100%{transform:scale(1);}
}

.cart-pop{
    animation:cartPop .45s ease;
}

@keyframes cartPop{
    0%{transform:scale(.6);}
    60%{transform:scale(1.2);}
    100%{transform:scale(1);}
}

.cart-pop{
    animation:cartPop .45s ease;
}