/* ============================================
   CCTV Installation & Configuration Company
   Professional Business Website Styles
   ============================================ */

/* CSS Variables for Color Theme */
:root {
    --primary-color: #0a192f; /* Dark Navy Blue */
    --secondary-color: #ffffff; /* White */
    --accent-color: #f5f5f5; /* Light Gray */
    --button-color: #0066cc; /* Professional Blue */
    --button-hover: #0052a3;
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.logo span {
    color: var(--button-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-white);
    font-weight: 500;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--button-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--button-color);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3a5c 100%);
    color: var(--text-white);
    padding: 180px 0 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--text-white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Why Choose Us Section */
.why-choose-us {
    background-color: var(--secondary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--button-color);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Preview Section */
.services-preview {
    background-color: var(--accent-color);
}

.service-card-preview {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.service-card-preview:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.service-card-preview h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Work Process Section */
.work-process {
    background-color: var(--secondary-color);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--button-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Call To Action Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3a5c 100%);
    color: var(--text-white);
    text-align: center;
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: var(--button-color);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
    display: block;
}

.footer-section a:hover {
    color: var(--button-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3a5c 100%);
    color: var(--text-white);
    padding: 150px 0 80px;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.experience-badge {
    background-color: var(--button-color);
    color: var(--text-white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.experience-badge .number {
    font-size: 4rem;
    font-weight: 700;
    display: block;
}

.experience-badge .text {
    font-size: 1.2rem;
}

.mission-vision {
    padding: 80px 0;
    background-color: var(--accent-color);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.mission-vision-card {
    background-color: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.mission-vision-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Page Styles */
.services-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3a5c 100%);
    color: var(--text-white);
    padding: 150px 0 80px;
    text-align: center;
}

.services-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border-top: 4px solid var(--button-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card .icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--button-color);
}

/* Contact Page Styles */
.contact-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3a5c 100%);
    color: var(--text-white);
    padding: 150px 0 80px;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-form {
    background-color: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.contact-form h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--button-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    background-color: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item .icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--button-color);
    flex-shrink: 0;
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.info-item p {
    margin-bottom: 0;
}

.map-container {
    margin-top: 2rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.business-hours {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--accent-color);
    border-radius: 10px;
}

.business-hours h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.business-hours p {
    margin-bottom: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--button-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top:hover {
    background-color: var(--button-hover);
    transform: translateY(-3px);
}

.back-to-top.show {
    display: flex;
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 150px 0 100px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .about-hero h1,
    .services-hero h1,
    .contact-hero h1 {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .feature-card,
    .service-card-preview,
    .service-card,
    .contact-form,
    .contact-info {
        padding: 1.5rem;
    }
}