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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.logo-img:hover {
    opacity: 0.8;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1920&q=80') center/cover;
    opacity: 0.3;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(139, 92, 246, 0.5));
    z-index: -1;
}

.hero .container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    max-width: 800px;
    padding: 2rem;
    text-align: center;
    margin: 0 auto;
    width: 100%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
    text-align: center;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-align: center;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-align: justify;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
    text-align: justify;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Services Section */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card-center {
    grid-column: 2;
    justify-self: center;
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .service-card-center {
        grid-column: auto;
        justify-self: stretch;
    }
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Technology Section */
.tech {
    background: var(--bg-white);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    justify-items: center;
    width: 100%;
    box-sizing: border-box;
    max-width: 100%;
}

.tech-category {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.tech-category:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.tech-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tech-category h3 i {
    color: var(--primary-color);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
}

.tech-tags-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    justify-items: center;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
        justify-items: center;
        place-items: center;
        width: 100%;
        padding: 0;
        margin: 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .tech-category {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        padding: 1.5rem 1rem;
        box-sizing: border-box;
    }
    
    .tech-tags-3col {
        grid-template-columns: repeat(3, 1fr);
        justify-items: center;
        width: 100%;
        margin: 0 auto;
        gap: 0.4rem;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .tech-tag {
        text-align: center;
        justify-self: center;
        min-width: auto;
        padding: 0.6rem 0.9rem;
        font-size: 0.875rem;
        width: auto;
        max-width: 100%;
        box-sizing: border-box;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .tech-tags {
        gap: 0.4rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

.tech-tag {
    background: white;
    color: var(--text-dark);
    padding: 0.6rem 0.9rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tech-tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Projects Section */
.projects {
    background: var(--bg-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: center;
    width: 100%;
    max-width: 320px;
}

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

.project-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
}

.project-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.project-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    font-size: 0.875rem;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    gap: 0.75rem;
    color: var(--primary-dark);
}

/* Goals Section */
.goals {
    background: var(--bg-white);
}

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

.goal-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
}

.goal-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.goal-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
}

.goal-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.goal-card p {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1.5rem;
    align-items: start;
    transition: all 0.3s ease;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.social-media-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border-radius: 50%;
    color: var(--text-dark);
    font-size: 1.25rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

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

.footer-logo {
    height: 50px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    transition: opacity 0.3s ease;
    display: block;
}

.footer-logo:hover {
    opacity: 1;
}

.footer-tagline {
    opacity: 0.9;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-align: justify;
}

.footer-description {
    opacity: 0.8;
    font-size: 0.875rem;
    line-height: 1.6;
    max-width: 300px;
    text-align: justify;
}

.footer-links h4,
.footer-contact h4 {
    text-align: justify;
}

.footer-links ul {
    text-align: justify;
}

.footer-contact p {
    text-align: justify;
}

@media (max-width: 768px) {
    .footer-logo {
        margin: 0 auto 0.5rem;
    }
    
    .footer-links h4,
    .footer-contact h4 {
        text-align: center;
    }
    
    .footer-tagline,
    .footer-description,
    .footer-contact p {
        text-align: center;
    }
    
    .footer-links ul {
        text-align: center;
        justify-items: center;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .footer-links ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem 1rem;
    }
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: left;
}

.footer-links ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: justify;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
    font-size: 0.875rem;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
}

.scroll-to-top.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-img {
        height: 35px;
        max-width: 150px;
    }
    
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-text h3,
    .about-text p {
        text-align: center;
    }

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

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

    .tech-categories {
        grid-template-columns: 1fr;
        justify-items: center;
        width: 100%;
        padding: 0;
        margin: 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .tech-category {
        width: 100%;
        max-width: 100%;
        padding: 1.5rem 1rem;
        box-sizing: border-box;
        margin: 0;
    }
    
    .tech-tags-3col {
        gap: 0.4rem;
        width: 100%;
        max-width: 100%;
    }
    
    .tech-tag {
        padding: 0.35rem 0.5rem;
        font-size: 0.7rem;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .tech-tags {
        gap: 0.5rem;
        width: 100%;
        max-width: 100%;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 1.1rem;
    }
}