/* Global Styles */
:root, body.theme-dark {
    --primary-color: #0b69e5;
    --secondary-color: #38bdf8;
    --dark-bg: #0c0f16;
    --light-text: #e5e7eb;
    --card-bg: #111827;
    background-color: var(--dark-bg);
    color: var(--light-text);
}
body.theme-light {
    --primary-color: #0d47a1;
    --secondary-color: #1976d2;
    --dark-bg: #f8f9fa;
    --light-text: #212529;
    --card-bg: #ffffff;
    background-color: var(--dark-bg);
    color: var(--light-text);
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.hero {
    background-color: var(--dark-bg);
    background-image: radial-gradient(at 0% 100%, rgba(20, 30, 48, 0.8) 0%, transparent 50%),
                       radial-gradient(at 100% 0%, rgba(18, 55, 100, 0.6) 0%, transparent 50%);
    color: white;
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    overflow: hidden;
    border-bottom: 2px solid var(--primary-color);
}
body.theme-light .hero {
    background-image: radial-gradient(at 0% 100%, rgba(200, 210, 220, 0.8) 0%, transparent 50%),
                         radial-gradient(at 100% 0%, rgba(150, 180, 210, 0.6) 0%, transparent 50%);
}
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    color: white;
}
body.theme-light .hero-slide {
    color: var(--light-text);
}
.hero-slide.active {
    opacity: 1;
    z-index: 10;
}
.service-card {
    background-color: var(--card-bg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #2d3748;
}
body.theme-light .service-card {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #d1d5db;
}
.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}
body.theme-light .service-card:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}
.nav-mobile {
    background-color: var(--dark-bg);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
}
.nav-mobile.open {
    transform: translateX(0);
}
.close-icon {
    display: none;
}
.nav-mobile.open .close-icon {
    display: block;
}
.slider-wrapper {
    position: relative;
    overflow: hidden;
    background-color: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid #2d3748;
}
body.theme-light .slider-wrapper {
    border: 1px solid #d1d5db;
}
.slider-wrapper .slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
}
.slider-wrapper .slide {
    min-width: 100%;
    box-sizing: border-box;
    background-color: transparent;
}
.dot {
    height: 10px;
    width: 10px;
    background-color: #4b5563;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.3s ease;
    cursor: pointer;
}
.dot.active {
    background-color: var(--primary-color);
}
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 60px 24px;
    margin-bottom: 60px;
    border-radius: 1.5rem;
    overflow: hidden;
}
.parallax::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}
.parallax-content {
    position: relative;
    z-index: 10;
}
@media (max-width: 768px) {
    .parallax {
        background-attachment: scroll !important;
        min-height: 350px;
    }
}
#parallax-section-1 {
    background-image: url('https://placehold.co/1200x800/2c3e50/ecf0f1?text=Precision+Repair');
}
#parallax-section-2 {
    background-image: url('https://placehold.co/1200x800/27ae60/ecf0f1?text=Certified+Engineers');
}
#parallax-section-3 {
    background-image: url('https://placehold.co/1200x800/c0392b/ecf0f1?text=Trusted+Service');
}
.checkmark {
    color: #10b981;
}
.crossmark {
    color: #ef4444;
}
.premium-btn {
    background-color: var(--primary-color);
    color: white;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}
.premium-btn:hover {
    background-color: #0855c7;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.message-box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--card-bg);
    color: var(--light-text);
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 100;
    max-width: 90%;
    text-align: center;
}
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
}
.hidden {
    display: none;
}
.form-input {
    background-color: var(--card-bg);
    color: var(--light-text);
    border: 1px solid #374151;
    padding: 0.75rem;
    border-radius: 0.5rem;
    width: 100%;
}
body.theme-light .form-input {
    border: 1px solid #d1d5db;
}
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 105, 229, 0.2);
}
.header-bg {
    background-color: var(--dark-bg);
    border-bottom: 1px solid #4b5563;
}
body.theme-light .header-bg {
    background-color: var(--card-bg);
    border-bottom: 1px solid #d1d5db;
    color: var(--light-text);
}
.header-nav-text {
    color: #9ca3af;
}
body.theme-light .header-nav-text {
    color: #4b5563;
}
.header-nav-text:hover {
    color: var(--primary-color);
}
.footer-bg {
    background-color: var(--dark-bg);
    border-top: 1px solid #4b5563;
}
body.theme-light .footer-bg {
    background-color: var(--card-bg);
    border-top: 1px solid #d1d5db;
}
.footer-text {
    color: #9ca3af;
}
body.theme-light .footer-text {
    color: #6b7280;
}
.price-table th {
    background-color: #1f2937;
    font-weight: 600;
    color: #d1d5db;
}
body.theme-light .price-table th {
    background-color: #9ca3af;
    color: #1f2937;
}
.price-table td {
    color: var(--light-text);
}
body.theme-light .price-table td {
    color: var(--light-text);
}
.price-table tr:nth-child(even) {
    background-color: #1f2937;
}
body.theme-light .price-table tr:nth-child(even) {
    background-color: #d1d5db;
}
.price-table tr:hover {
    background-color: #2d3748;
}
body.theme-light .price-table tr:hover {
    background-color: #9ca3af;
}
.switch-btn {
    background-color: var(--card-bg);
    color: var(--light-text);
    border: 1px solid #4b5563;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.switch-btn:hover {
    background-color: #2d3748;
}
body.theme-light .switch-btn {
    background-color: #d1d5db;
    color: #1f2937;
    border: 1px solid #9ca3af;
}
body.theme-light .switch-btn:hover {
    background-color: #9ca3af;
}
.switch-btn.appearance-none {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: none;
}