/* 
   Sirius Data Website Styles
   Main CSS file for www.sirius-data.uk
*/

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

:root {
    --primary-color: #1a4b84;
    --secondary-color: #3498db;
    --accent-color: #f39c12;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f5f5f5;
    --dark-bg: #2c3e50;
    --border-color: #ddd;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--primary-color);
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1.5rem;
}

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

a:hover {
    color: var(--primary-color);
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

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

/* Button Styles */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
}

.btn-accent {
    background-color: var(--accent-color);
}

.btn-accent:hover {
    background-color: #e67e22;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    transition: var(--transition);
}

nav ul li a:hover, 
nav ul li a.active {
    color: var(--secondary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 100px 0;
    text-align: center;
    background-image: linear-gradient(rgba(26, 75, 132, 0.9), rgba(26, 75, 132, 0.9)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--light-text);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Section Styles */
section {
    padding: 60px 0;
}

section:nth-child(even) {
    background-color: var(--light-bg);
}

.intro, .who-we-are, .mission {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.page-header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 60px 0;
    text-align: center;
}

.page-header h2 {
    color: var(--light-text);
    margin-bottom: 0;
}

/* Services Section */
.services h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 2rem;
}

.service-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 30px;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

/* Content Section */
.content {
    padding: 60px 0;
}

.content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.content h2:first-child {
    margin-top: 0;
}

.content ul {
    margin-bottom: 2rem;
}

.content .intro-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 2rem 0;
}

.feature-item {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

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

.feature-item ul {
    margin-top: 1rem;
}

/* Service Section */
.service-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.service-section:last-child {
    border-bottom: none;
}

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

.service-details {
    margin-top: 1rem;
}

.service-details h4 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Why Choose Us */
.why-choose-us {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 2rem 0;
}

.reason {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.reason:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

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

/* CTA Box */
.cta-box {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    margin: 3rem 0;
}

.cta-box h3 {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 1.5rem;
}

.cta-box .btn {
    background-color: var(--accent-color);
}

.cta-box .btn:hover {
    background-color: #e67e22;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-bottom: 3rem;
}

.contact-info h3,
.contact-form h3 {
    margin-bottom: 1.5rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    margin-bottom: 0.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* FAQ Section */
.faq-section {
    margin-top: 4rem;
}

.faq-section h3 {
    margin-bottom: 2rem;
    text-align: center;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3,
.footer-contact h3,
.footer-nav h3 {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--secondary-color);
}

.footer-contact a:hover {
    color: var(--light-text);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
}

.footer-nav ul li {
    margin-bottom: 0.5rem;
}

.footer-nav ul li a {
    color: #bdc3c7;
    transition: var(--transition);
}

.footer-nav ul li a:hover {
    color: var(--light-text);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #bdc3c7;
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav {
        margin-top: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    section {
        padding: 40px 0;
    }
    
    .service-grid,
    .features-grid,
    .why-choose-us {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .cta-box {
        padding: 25px;
    }
    
    .feature-item,
    .reason {
        padding: 20px;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.feature-item,
.reason {
    animation: fadeIn 0.5s ease-out forwards;
}

.service-card:nth-child(2),
.feature-item:nth-child(2),
.reason:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3),
.feature-item:nth-child(3),
.reason:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(4),
.feature-item:nth-child(4),
.reason:nth-child(4) {
    animation-delay: 0.3s;
}