:root {
    --primary-color: #3498db;
    --secondary-color: #9b59b6;
    --accent-color: #2ecc71;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --light-text: #f5f5f5;
    --border-radius: 5px;
    --box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
}

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

section {
    padding: 80px 0;
}

h2 {
    margin-bottom: 40px;
    font-size: 2.5rem;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

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

.primary-btn:hover {
    background: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.secondary-btn:hover {
    background: #8e44ad;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

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

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

.logo-tagline {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    position: relative;
    color: var(--dark-color);
    font-weight: 600;
    transition: var(--transition);
}

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

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
    background: transparent;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

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

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

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    text-align: left;
}

.hero-content h2::after {
    left: 0;
    transform: none;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #666;
}

.hero-visual {
    flex: 1;
    max-width: 500px;
}

.hero-svg {
    width: 100%;
    height: auto;
}

.pulse-circle {
    animation: pulse 3s infinite alternate;
}

.icon-circle {
    transform-origin: center;
    animation: float 4s infinite alternate ease-in-out;
}

.icon {
    transform-origin: center;
    animation: rotate 8s infinite linear;
}

.center-circle {
    animation: glow 2s infinite alternate;
}

@keyframes pulse {
    from {
        transform: scale(0.95);
        opacity: 0.7;
    }
    to {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

@keyframes float {
    from {
        transform: translateY(-5px);
    }
    to {
        transform: translateY(5px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 2px rgba(52, 152, 219, 0.5));
    }
    to {
        filter: drop-shadow(0 0 10px rgba(52, 152, 219, 0.8));
    }
}

/* About Section */
.about {
    background-color: #fff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #777;
}

.about-image {
    flex: 1;
}

.image-placeholder {
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.profile-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.03);
}

/* Expertise Section */
.expertise {
    background-color: #f9f9f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card:nth-child(even) .service-icon {
    color: var(--secondary-color);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* Portfolio Section */
.portfolio {
    background-color: #fff;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    margin: 0 5px 10px;
    background-color: #f1f1f1;
    border-radius: 50px;
    color: #666;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
    height: 200px;
    overflow: hidden;
}

.portfolio-image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.portfolio-info {
    padding: 20px;
    background-color: #fff;
}

.portfolio-info h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

/* Blog Section */
.blog {
    background-color: #f9f9f9;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.blog-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image svg {
    transform: scale(1.1);
}

.blog-content {
    padding: 20px;
}

.blog-date {
    display: block;
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 10px;
}

.blog-content h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.blog-cta {
    text-align: center;
    margin-top: 40px;
}

/* Contact Section */
.contact {
    background-color: #fff;
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #fff;
    color: var(--dark-color);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

.contact-form {
    flex: 2;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

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

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

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

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    transition: var(--transition);
}

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

.footer-newsletter h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    padding: 10px 15px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    width: 200px;
}

.newsletter-form button {
    padding: 10px 15px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

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

/* Media Queries */
@media (max-width: 992px) {
    .hero .container,
    .about-content,
    .contact-content {
        flex-direction: column;
    }

    .hero-content,
    .about-text,
    .about-image,
    .contact-info,
    .contact-form {
        flex: 1;
        width: 100%;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .about-text {
        margin-bottom: 40px;
    }

    .stats {
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1;
        min-width: 120px;
        margin-bottom: 20px;
    }

    .footer-logo,
    .footer-links,
    .footer-newsletter {
        flex: 100%;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        padding: 20px 0;
    }

    nav.active ul {
        display: flex;
    }

    nav ul li {
        margin: 0;
        padding: 10px 20px;
    }

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

    section {
        padding: 60px 0;
    }

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

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
        border-radius: var(--border-radius);
    }

    .newsletter-form button {
        margin-top: 10px;
    }
}