/* Global Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --gray: #6b7280;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

* {
    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);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo-img {
    height: 32px;
    width: auto;
    margin-right: 10px;
    vertical-align: middle;
    transition: transform 0.3s ease;
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--light-bg) 0%, #ffffff 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 600;
    cursor: pointer;
    border: none;
}

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

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

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: var(--transition);
}

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

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

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    font-size: 1rem;
}

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

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

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Loading Animation */
.loading-spinner {
    display: none;
    width: 30px;
    height: 30px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Message */
.success-message {
    display: none;
    background: #10b981;
    color: white;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin: 1rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.testimonial-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
}

.star-rating {
    color: #fbbf24;
    margin: 0.5rem 0;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.portfolio-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    padding: 1rem;
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
    transform: translateY(0);
}

/* FAQ Section */
.faq-item {
    margin-bottom: 1rem;
}

.faq-question {
    background: var(--white);
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.faq-answer {
    padding: 1rem;
    display: none;
    background: var(--light-bg);
    border-radius: 0 0 5px 5px;
}

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

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.newsletter-form {
    max-width: 500px;
    margin: 2rem auto;
    display: flex;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}