:root {
    --primary-color: #4F46E5;
    --primary-dark: #3730a3;
    --secondary-color: #10B981;
    --dark-color: #1F2937;
    --light-color: #F9FAFB;
    --gray-color: #9CA3AF;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--light-color);
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

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

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

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

/* ===== HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

header.scrolled {
    padding: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-path {
    transition: stroke-dasharray 0.6s ease, stroke-dashoffset 0.6s ease;
    stroke-dasharray: 400;
    stroke-dashoffset: 0;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

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

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

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

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

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f6f8fd 0%, #e9ecf5 100%);
}

.hero-content {
    max-width: 600px;
    z-index: 10;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    font-size: 3rem;
    background: linear-gradient(90deg, var(--dark-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

.hero-visual {
    width: 50%;
    height: 100%;
    position: relative;
}

#network-animation {
    width: 100%;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 5%;
    background-color: white;
}

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

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-header h2:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    background-color: rgba(79, 70, 229, 0.1);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

/* ===== ABOUT SECTION ===== */
.about {
    padding: 6rem 5%;
    background-color: #F3F4F6;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.about-text {
    flex: 1;
}

.about-visual {
    flex: 1;
    position: relative;
}

.team-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

.team-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='white' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    padding: 6rem 5%;
    background-color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: 6rem 5%;
    background-color: #F3F4F6;
}

.testimonial-slider {
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 6rem 5%;
    background-color: white;
}

.contact-container {
    display: flex;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.contact-form {
    flex: 1;
}

.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 var(--gray-color);
    border-radius: 0.25rem;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.info-icon {
    margin-right: 1rem;
    background-color: rgba(79, 70, 229, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(79, 70, 229, 0.1);
    transition: var(--transition);
}

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

.social-links a:hover svg {
    stroke: white;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 5% 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    flex: 2;
}

.footer-logo p {
    margin-top: 1rem;
    color: var(--gray-color);
}

.footer-links {
    flex: 3;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: white;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--gray-color);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 3rem;
    text-align: center;
    color: var(--gray-color);
    font-size: 0.875rem;
}

/* ===== CHAT BOT ===== */
.chat-bot {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
}

.chat-bot-toggle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.chat-bot-toggle:hover {
    background-color: var(--primary-dark);
    transform: scale(1.05);
}

.chat-bot-container {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 350px;
    height: 450px;
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-chat {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.chat-input {
    display: flex;
    padding: 0.5rem;
    border-top: 1px solid #eee;
}

.chat-input input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #eee;
    border-radius: 2rem;
    margin-right: 0.5rem;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.send-message {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #f3f4f6;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.send-message:hover {
    background-color: #e5e7eb;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .nav-links li {
        margin: 0;
        text-align: center;
        padding: 1rem 0;
    }
    
    .hero {
        flex-direction: column;
        height: auto;
        padding: 8rem 5% 4rem;
    }
    
    .hero-content {
        text-align: center;
        margin-bottom: 3rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100%;
        height: 300px;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .chat-bot-container {
        width: 300px;
    }
}