/* Main Stylesheet for Derlink Solutions Website */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;700&family=Open+Sans:wght@400;600&family=Roboto:wght@400;500&display=swap');

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

/* Variables */
:root {
    /* Colors */
    --primary-color: #D12026;
    --secondary-color: #1E3A8A;
    --accent-color: #F5A623;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #333333;
    --black: #000000;
    
    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    --accent-font: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
}

/* Base Styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--dark-gray);
    line-height: 1.6;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--black);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
}

.logo-text {
    margin-left: var(--spacing-xs);
}

.logo-text h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* Navigation */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-item {
    margin-left: var(--spacing-md);
}

.nav-link {
    font-family: var(--accent-font);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-color: var(--light-gray);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.hero-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-family: var(--accent-font);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background-color: #b01c21;
    color: var(--white);
}

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

.btn-secondary:hover {
    background-color: #152c6a;
    color: var(--white);
}

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

.btn-accent:hover {
    background-color: #d89520;
    color: var(--white);
}

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

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

.btn-lg {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.1rem;
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Services */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
    text-align: center;
    transition: transform var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
}

.service-title {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

/* Features */
.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-sm);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.feature-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

/* Testimonials */
.testimonials-container {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: var(--light-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.testimonial-author {
    font-weight: 600;
    color: var(--secondary-color);
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.contact-info {
    margin-bottom: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.contact-form {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: var(--spacing-xs);
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-family: var(--body-font);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Map */
.map-container {
    height: 400px;
    margin-top: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.footer-logo img {
    height: 60px;
    margin-bottom: var(--spacing-sm);
}

.footer-title {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
    margin: 0;
}

.footer-link {
    margin-bottom: var(--spacing-xs);
}

.footer-link a {
    color: var(--light-gray);
}

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

.social-links {
    display: flex;
    list-style: none;
    margin: 0;
}

.social-link {
    margin-right: var(--spacing-sm);
}

.social-link a {
    color: var(--white);
    font-size: 1.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gallery */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    height: 200px;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--light-gray);
    padding-bottom: var(--spacing-sm);
}

.faq-question {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
}

.faq-question.active::after {
    content: '-';
}

.faq-answer {
    margin-top: var(--spacing-xs);
    display: none;
}

.faq-answer.active {
    display: block;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 0;
        transition: left var(--transition-medium);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: var(--spacing-sm) 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        position: relative;
        width: 100%;
        height: 300px;
        margin-top: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}