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

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --accent-color: #FF9800;
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --gray-dark: #343a40;
    --gradient-primary: linear-gradient(135deg, #4CAF50 0%, #2196F3 100%);
    --gradient-secondary: linear-gradient(135deg, #2196F3 0%, #9C27B0 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

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

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

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

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-medium);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-color);
    box-shadow: var(--shadow-light);
}

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

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

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

.btn-outline {
    background: transparent;
    color: var(--dark-color);
    border-color: var(--gray-medium);
}

.btn-outline:hover {
    background: var(--dark-color);
    color: var(--light-color);
    border-color: var(--dark-color);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e0e0e0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-medium);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.hero-visual {
    position: relative;
    height: 500px;
}

.hero-graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.floating-card span {
    font-weight: 500;
    color: var(--dark-color);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-medium);
    margin-top: 1rem;
}

/* About Preview */
.about-preview {
    background: var(--light-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.about-content h3:first-child {
    margin-top: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--gray-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    color: var(--gray-medium);
    font-weight: 500;
}

/* Services Preview */
.services-preview {
    background: var(--gray-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--light-color);
}

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

.services-cta {
    text-align: center;
}

/* Testimonials */
.testimonials {
    background: var(--light-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--gray-light);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

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

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--dark-color);
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.author-info span {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.rating {
    color: var(--accent-color);
}

/* Case Studies */
.case-studies {
    background: var(--gray-light);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-study-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.case-study-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.case-study-image {
    height: 200px;
    background: var(--gradient-secondary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-study-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.case-study-category {
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--dark-color);
}

.case-study-content {
    padding: 2rem;
}

.case-study-content h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.case-study-metrics {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--gray-medium);
}

/* CTA Section */
.cta {
    background: var(--gradient-primary);
    color: var(--light-color);
    text-align: center;
}

.cta h2 {
    color: var(--light-color);
    margin-bottom: 1rem;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

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

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

.cta .btn-outline {
    border-color: var(--light-color);
    color: var(--light-color);
}

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

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 0 1rem;
}

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

.footer-logo .logo {
    height: 40px;
    margin-bottom: 1rem;
}

.tagline {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--light-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-visual {
        height: 300px;
    }

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

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .case-studies-grid {
        grid-template-columns: 1fr;
    }

    .case-study-metrics {
        justify-content: space-around;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

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

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .floating-card {
        padding: 1rem;
    }

    .floating-card i {
        font-size: 1.5rem;
    }

    .service-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .case-study-content {
        padding: 1.5rem;
    }

    .about-stats {
        flex-direction: column;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

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

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}