:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --accent-dark: #0891b2;
    --light-color: #f8fafc;
    --gray-light: #f1f5f9;
    --gray-color: #64748b;
    --gray-dark: #334155;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: #ffffff;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
    z-index: -1;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn:hover::before {
    left: 100%;
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    border-color: #25D366;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    border-color: #128C7E;
}

section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    display: block;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title p {
    color: var(--gray-color);
    max-width: 700px;
    margin: 15px auto 0;
    font-size: 1.1rem;
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header.scrolled {
    padding: 5px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo .main-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo .sub-text {
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 500;
    letter-spacing: 2px;
}

.logo-icon {
    font-weight: 700;
    font-size: 1.8rem;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    font-size: 1.05rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    bottom: 0;
    left: 0;
    transition: var(--transition);
    border-radius: 2px;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
    background: none;
    border: none;
    padding: 5px;
}

/* Hero Section */
.hero {
    padding-top: 160px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 20%);
    z-index: 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
}

.hero-text h1 span {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 30px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
    margin: 40px 0;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
}

.stat {
    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: 1rem;
    color: var(--gray-color);
    font-weight: 500;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    max-width: 600px;
}

.hero-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 2;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-color);
    margin-bottom: 20px;
}

.service-features {
    margin-top: 20px;
    text-align: left;
}

.service-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--gray-dark);
}

.service-features li i {
    color: var(--success-color);
    margin-right: 10px;
    font-size: 0.9rem;
}

/* Projects Section */
.projects {
    background-color: white;
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background-color: var(--gray-light);
    border: none;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-dark);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.project-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.project-info p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tag {
    background-color: var(--gray-light);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
}

.about-text h2 span {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: 25px;
    line-height: 1.8;
}

.about-features {
    margin: 40px 0;
}

.feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.feature-icon {
    color: var(--success-color);
    font-size: 1.5rem;
    margin-right: 20px;
    margin-top: 3px;
    background-color: rgba(16, 185, 129, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.feature p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.about-btns {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    animation-delay: 1s;
}

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

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-card {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    margin: 0 15px;
}

.testimonial-content {
    font-size: 1.1rem;
    color: var(--gray-dark);
    font-style: italic;
    margin-bottom: 30px;
    line-height: 1.8;
    position: relative;
}

.testimonial-content::before,
.testimonial-content::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    opacity: 0.3;
}

.testimonial-content::before {
    top: -20px;
    left: -10px;
}

.testimonial-content::after {
    bottom: -40px;
    right: -10px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

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

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

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

.contact-info {
    flex: 1;
}

.contact-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.contact-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.contact-card i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-card p {
    color: var(--gray-color);
    margin-bottom: 10px;
}

.contact-card a {
    color: var(--primary-color);
    font-weight: 500;
}

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

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: var(--gray-light);
    border-radius: 50%;
    color: var(--gray-dark);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.whatsapp-card {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.whatsapp-card h3 {
    color: white;
    margin-bottom: 15px;
}

.whatsapp-card h3 i {
    color: white;
}

.whatsapp-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.whatsapp-btn {
    background-color: white;
    color: #25D366;
    font-weight: 600;
}

.whatsapp-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: #128C7E;
}

.contact-form {
    flex: 1;
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--gray-dark);
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    transition: var(--transition);
    background-color: var(--light-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: white;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

#submitBtn {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

.loading-spinner {
    display: none;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo .logo .main-text,
.footer-logo .logo .sub-text {
    color: white;
}

.footer-logo p {
    margin-top: 20px;
    color: #cbd5e1;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links h3,
.footer-services h3,
.footer-contact h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    bottom: 0;
    left: 0;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 15px;
}

.footer-links ul li a,
.footer-services ul li a {
    color: #cbd5e1;
    transition: var(--transition);
    display: inline-block;
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    color: #cbd5e1;
    line-height: 1.6;
}

.footer-contact ul li i {
    color: var(--accent-color);
    margin-right: 15px;
    margin-top: 5px;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.footer-contact ul li a {
    color: #cbd5e1;
}

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.95rem;
}

.copyright span {
    color: var(--accent-color);
    font-weight: 500;
}

.developer-credit {
    margin-top: 10px;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .section-title h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .hero-content,
    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    .hero-image,
    .about-image {
        width: 100%;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-btns .btn {
        width: 100%;
        text-align: center;
        margin-bottom: 15px;
    }
    
    .hero-stats {
        justify-content: space-between;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 25px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .about-text h2 {
        font-size: 2.2rem;
    }
    
    .about-btns {
        flex-direction: column;
    }
    
    .about-btns .btn {
        width: 100%;
        text-align: center;
    }
    
    .projects-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 80px 0;
    }
}

@media (max-width: 576px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .section-title p {
        font-size: 1rem;
    }
    
    .service-card,
    .contact-card,
    .contact-form,
    .testimonial-card {
        padding: 25px 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 12px 24px;
    }
    
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.6rem;
    }
}

@media (max-width: 400px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .container {
        padding: 0 15px;
    }
}