/* Design System & Variables */
:root {
    --main-bg: #0B0B0B;
    --secondary-bg: #1A1A1A;
    --primary-blue: #2563EB;
    --hover-blue: #3B82F6;
    --text-white: #FFFFFF;
    --text-secondary: #D1D5DB;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    font-size: 16px; /* Base font size for readability */
    color: var(--text-secondary);
    background-color: var(--main-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto; /* Fully responsive images */
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.bg-primary {
    background-color: var(--main-bg);
}

.bg-secondary {
    background-color: var(--secondary-bg);
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--hover-blue));
    color: var(--text-white);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.23);
    filter: brightness(1.1);
}

.btn-outline {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--text-white);
    transform: translateY(-3px);
}

.premium-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary-blue);
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

/* Header & Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(11, 11, 11, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    padding: 12px 0;
    background-color: rgba(11, 11, 11, 0.98);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-white);
}

.logo img {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-white);
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.nav-cta {
    display: flex;
    align-items: center;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-white);
    cursor: pointer;
    padding: 10px;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    background: linear-gradient(to right, rgba(10, 10, 10, 0.85) 0%, rgba(10, 10, 10, 0.7) 40%, rgba(10, 10, 10, 0.3) 100%), url('images/hero_electrician_right.png');
    background-size: cover;
    background-position: center right;
    display: flex;
    align-items: center;
    color: var(--text-white);
    padding-top: 100px;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

@media (min-width: 992px) {
    .hero-btns .btn {
        padding: 16px 45px;
        font-size: 1.15rem;
    }
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

.trust-item i {
    color: var(--primary-blue);
    font-size: 1.1rem;
}

/* Services Grid */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--text-white);
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-white);
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: transparent;
    padding: 20px 15px;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    border-left: 3px solid transparent;
    text-align: left;
}

.service-card:hover {
    transform: translateX(10px);
    box-shadow: none;
    border-left: 3px solid var(--primary-blue);
    background: var(--secondary-bg);
}

.service-icon {
    width: auto;
    height: auto;
    background: transparent;
    color: var(--primary-blue);
    border-radius: 0;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 1.5rem;
    margin: 0 0 10px 0;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: transparent;
    color: var(--hover-blue);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--text-white);
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* About/Specialty Sections */
.about-flex {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-content, .about-image {
    flex: 1;
}

.about-image img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.about-content h2 {
    font-size: 2.75rem;
    margin-bottom: 20px;
    color: var(--text-white);
}

/* All Services Section */
.all-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.all-service-card {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.all-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.1);
    border-color: rgba(37, 99, 235, 0.3);
}

.all-service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--text-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

.all-service-card ul li {
    margin-bottom: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    font-size: 0.95rem;
    line-height: 1.4;
}

.all-service-card ul li i {
    color: var(--primary-blue);
    font-size: 0.5rem;
    margin-top: 6px;
    margin-right: 12px;
}

/* Reviews Section & Premium Swiper Marquee */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.reviews-carousel {
    padding-bottom: 50px !important; /* Space for pagination dots */
    overflow: hidden;
}

/* Forces the marquee to be perfectly linear without easing jumps */
.reviews-carousel .swiper-wrapper {
    transition-timing-function: linear !important;
}

.review-card {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.05); /* Subtle border for clean edge */
}

.review-card:hover {
    transform: translateY(-8px) scale(1.02);
    /* Premium SaaS glow and deep shadow */
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15), 0 0 0 1px rgba(37, 99, 235, 0.05);
}

/* Swiper Pagination Styling */
.swiper-pagination-bullet {
    background: var(--text-secondary) !important;
    opacity: 0.5 !important;
    width: 10px !important;
    height: 10px !important;
    transition: var(--transition);
}

.swiper-pagination-bullet-active {
    background: var(--primary-blue) !important;
    opacity: 1 !important;
    transform: scale(1.3);
}

/* Contact Section */
.contact-flex {
    display: flex;
    gap: 60px;
}

.contact-info, .contact-form {
    flex: 1;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--secondary-bg);
    color: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-form {
    background: var(--secondary-bg);
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

/* Premium SaaS Form Styles */
.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 8px;
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background-color: #0A0A0A;
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: #94A3B8;
    opacity: 0.7;
}

/* Elegant Focus States */
.form-group input:focus, 
.form-group textarea:focus, 
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
    background-color: #000000;
}

/* Premium Submit Button */
.contact-form button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--hover-blue) 100%);
    color: var(--text-white);
    border: none;
    border-radius: 12px;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 12px rgba(10, 10, 10, 0.2);
    width: 100%;
    margin-top: 10px;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(10, 10, 10, 0.3);
}

@keyframes popIn {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Golden Stars for Testimonials */
.stars {
    color: #3B82F6; /* Golden yellow */
}

/* Footer */
footer {
    padding: 100px 0 30px;
    background: var(--main-bg);
    color: var(--text-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 20px;
    display: block;
}

.footer-links h4 {
    font-size: 1.25rem;
    margin-bottom: 25px;
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Features */
.mobile-sticky-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: none; /* Hidden on desktop */
    grid-template-columns: 1fr 1fr;
    z-index: 2001;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}

.sticky-btn {
    padding: 18px;
    text-align: center;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1rem;
}

.call-btn {
    background-color: var(--primary-blue);
    color: var(--text-white);
}

.whatsapp-btn {
    background-color: #25D366; /* WhatsApp Green */
    color: var(--text-white);
}

/* RESPONSIVE DESIGN & MOBILE OPTIMIZATION */
/* Prevent horizontal scrolling globally */
html, body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
    -webkit-text-size-adjust: 100%;
}

/* Ensure minimum touch targets for mobile accessibility (Apple 44px minimum) */
.btn, .sticky-btn, input, select, textarea, .nav-links a, .mobile-menu-btn {
    min-height: 44px;
}

@media (max-width: 1200px) {
    .hero h1 { font-size: 3.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 991px) {
    .about-flex, .contact-flex { flex-direction: column; gap: 40px; }
    .hero { text-align: center; height: auto; padding: 160px 0 100px; background-position: 75% center; }
    .hero-content { margin: 0 auto; }
    .hero-btns { justify-content: center; flex-direction: column; gap: 15px; width: 100%; max-width: 400px; margin: 0 auto 40px; }
    .hero-btns .btn { width: 100%; padding: 16px 20px; font-size: 1.1rem; }
    .trust-indicators { justify-content: center; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-btn { 
        display: flex; 
        align-items: center; 
        justify-content: center; 
        padding: 10px;
    }
    .mobile-sticky-actions { display: grid; }
    
    header { padding: 15px 0; }
    .logo img { height: 50px; }
    .logo span { font-size: 1.3rem; }
    
    /* Premium Mobile Menu Overlay */
    .nav-links.active {
        display: flex !important;
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        width: 85% !important;
        max-width: 320px !important;
        height: 100vh !important;
        background: var(--main-bg) !important;
        border-left: 1px solid rgba(255, 255, 255, 0.05);
        flex-direction: column !important;
        justify-content: center !important;
        padding: 60px !important;
        z-index: 3000 !important;
        box-shadow: -10px 0 40px rgba(0,0,0,0.8) !important;
        gap: 25px !important;
    }
    
    .nav-links.active li a {
        color: var(--text-white) !important;
        font-size: 1.3rem !important;
        font-weight: 700 !important;
        border-bottom: 1px solid rgba(255,255,255,0.1) !important;
        padding-bottom: 15px !important;
        display: block !important;
        width: 100%;
    }

    .section-padding { padding: 60px 0; }
    .section-title { margin-bottom: 40px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2.25rem; }
    .hero p { font-size: 1.1rem; }
    .section-title h2 { font-size: 2rem; }
    .about-content h2 { font-size: 1.75rem; }
    .contact-form { padding: 30px 20px; }
    .logo span { display: none; }
    
    /* Ensure no container overflow on extra small devices (e.g. 320px) */
    .container { padding: 0 15px; }
    .reviews-grid { gap: 20px; }
    .review-card { padding: 30px 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Accessibility: Reduce Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}