/* Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #0d9488;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --background-light: #f3f4f6;
    --white: #ffffff;
    --max-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid #e5e7eb;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-color);
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    /* Current: Digital network/connectivity visualization */
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2072&q=80');
    
    /* Local uploaded image: Artistic TV in water */
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(13, 148, 136, 0.15)), 
                url('bg.jpg');
    
    /* Alternative 1: Abstract geometric tech pattern */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 2: Modern laptop with code */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1461749280684-dccba630e2f6?ixlib=rb-4.0.3&auto=format&fit=crop&w=2069&q=80'); */
    
    /* Alternative 3: Clean modern workspace */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 4: Futuristic digital innovation */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1551434678-e076c223a692?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 5: Digital binary code pattern */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 6: Modern office building/architecture */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 7: Abstract technology circuits */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */
    
    /* Alternative 8: Team collaboration/consulting */
    /* background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(13, 148, 136, 0.8)), 
                url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80'); */

    background-size: cover;
    background-position: center 0%;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 2rem;
}

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

.hero h1 {
    margin-bottom: 1.5rem;
}

.subheading {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.value-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    cursor: pointer;
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Section */
.services {
    padding: 6rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Projects Section */
.projects {
    padding: 6rem 0;
    background: var(--background-light);
}

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

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* Project Image Placeholders */
.project-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.project-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(1px);
}

.project-placeholder i {
    z-index: 1;
    opacity: 0.8;
}

.project-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
}

.project-card p {
    padding: 0 1.5rem;
    color: var(--text-light);
}

.project-link {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    margin: 1rem 1.5rem 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
}

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

.testimonial-card {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stars {
    color: #fbbf24;
    margin-bottom: 1rem;
}

.client-info {
    margin-top: 1.5rem;
}

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

.client-info p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.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: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-family: inherit;
}

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

.submit-button {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.submit-button:hover {
    background: var(--primary-dark);
}

.form-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.submit-button:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2rem;
}

.info-item p, .info-item a {
    margin: 0;
    padding: 0;
    line-height: 1.5;
    color: var(--text-color);
    font-size: 1rem;
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo,
.footer-links,
.footer-social {
    flex: 1;
    min-width: 200px;
}

.footer-logo h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: var(--white);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.social-icons a:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Style for SVG icons to match Font Awesome icons */
.social-icons a svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
    transition: var(--transition);
}

.social-icons a:hover svg {
    fill: var(--primary-color);
}

/* Fallback for missing icons */
.social-icons a[href*="linkedin"]::before {
    content: "in" !important;
    font-family: Arial, sans-serif !important;
    font-weight: bold !important;
    display: none;
}

.social-icons a[href*="upwork"]::before {
    content: "Up" !important;
    font-family: Arial, sans-serif !important;
    font-weight: bold !important;
    display: none;
}

.social-icons a[href*="x.com"]::before {
    content: "𝕏" !important;
    font-family: Arial, sans-serif !important;
    font-weight: bold !important;
    display: none;
}

/* Show fallback text only if icon doesn't load */
.social-icons a i:empty + ::before,
.social-icons a i:not([class*="fa-"])::before {
    display: inline !important;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 2rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links li:nth-child(5) { transition-delay: 0.5s; }

    .mobile-menu-btn {
        display: block;
    }

    /* Add overlay when menu is active */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
        opacity: 1;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero {
        height: auto;
        padding: 8rem 2rem 4rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-logo,
    .footer-links,
    .footer-social {
        width: 100%;
    }
    
    .social-icons {
        justify-content: center;
    }
}

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

/* Focus Styles */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}