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

:root {
    --primary-color: #2563eb; /* Vibrant blue - tech/trust */
    --secondary-color: #7c3aed; /* Purple - innovation */
    --accent-color: #10b981; /* Green - growth/success */
    --text-color: #1f2937; /* Dark gray */
    --light-bg: #f8fafc; /* Light blue-gray */
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(37, 99, 235, 0.1);
    --shadow-hover: 0 10px 30px rgba(37, 99, 235, 0.15);
    --gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-bg);
}

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

/* Navbar */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.nav-logo span {
    color: var(--secondary-color);
}

.logo-tagline {
    font-size: 0.7rem;
    letter-spacing: 1px;
    color: var(--accent-color);
    text-transform: uppercase;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

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

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

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

/* Nav Auth */
.nav-auth {
    display: flex;
    align-items: center;
}

.auth-btn-nav {
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-btn-nav:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.user-welcome {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-welcome span {
    color: var(--primary-color);
    font-weight: 500;
}

.logout-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.mobile-auth {
    display: none;
    border-top: 1px solid #eee;
    padding-top: 1rem;
    margin-top: 1rem;
}

.mobile-auth .nav-link {
    padding: 0.5rem 0;
    display: block;
}

.mobile-auth .auth-btn-nav {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
}

.mobile-auth .user-welcome {
    flex-direction: column;
    align-items: flex-start;
    margin: 0.5rem 0;
    gap: 0.5rem;
}

.mobile-auth .logout-btn {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Main Content */
#main-content {
    margin-top: 90px;
    min-height: calc(100vh - 90px - 400px);
    padding: 2rem;
}

/* Hero Section */
.hero-section {
    background: var(--gradient);
    color: var(--white);
    padding: 5rem 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.hero-section::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"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
    background-size: cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.hero-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: transform 0.3s;
    border: none;
    cursor: pointer;
}

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

.hero-btn:hover {
    transform: translateY(-3px);
}

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

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* Why Choose Us */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

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

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

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
}

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

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-content p {
    color: #666;
    margin-bottom: 1.5rem;
}

.service-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.portfolio-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background: var(--gradient);
    color: var(--white);
    padding: 2rem;
    transition: bottom 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
    bottom: 0;
}

.portfolio-overlay h3 {
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.portfolio-tag {
    background: rgba(255,255,255,0.2);
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.pricing-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
}

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

.pricing-card.popular {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    background: var(--gradient);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
}

.price span {
    font-size: 1rem;
    opacity: 0.8;
}

.pricing-features {
    padding: 2rem;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features i.fa-check {
    color: var(--accent-color);
}

.pricing-features i.fa-times {
    color: #ef4444;
}

.pricing-btn {
    width: calc(100% - 4rem);
    margin: 0 2rem 2rem;
    padding: 1rem;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.pricing-btn:hover {
    background: var(--gradient-hover);
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 0;
}

.about-text h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.team-section {
    margin: 4rem 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    text-align: center;
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
}

.team-member h4 {
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}

.team-member p {
    color: #666;
    font-size: 0.9rem;
}

/* Contact Page */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    padding: 2rem 0;
}

.contact-info {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--secondary-color);
    width: 30px;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: 'Inter', sans-serif;
}

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

.submit-btn {
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: var(--gradient-hover);
}

/* CTA Section */
.cta-section {
    background: var(--gradient);
    color: var(--white);
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    margin: 4rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: transform 0.3s;
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-3px);
}

/* Auth Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
}

.modal-content {
    position: relative;
    background: var(--white);
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    margin: 50px auto;
    padding: 2rem;
    border-radius: 15px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close-modal:hover {
    color: var(--primary-color);
}

.auth-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.toggle-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 2rem;
    font-size: 1.1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.toggle-btn.active {
    border-bottom-color: var(--secondary-color);
    color: var(--secondary-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.auth-btn {
    width: 100%;
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.auth-btn:hover {
    background: var(--gradient-hover);
}

/* Footer */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding: 4rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    padding: 0 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1rem;
}

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

.social-links a {
    color: var(--white);
    font-size: 1.2rem;
    transition: color 0.3s;
}

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

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-section i {
    color: var(--accent-color);
    width: 25px;
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .stats-grid,
    .features-grid,
    .services-grid,
    .portfolio-grid,
    .pricing-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-auth {
        display: block;
    }

    .nav-actions {
        display: none;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

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

    .stats-grid,
    .features-grid,
    .services-grid,
    .portfolio-grid,
    .pricing-grid,
    .team-grid,
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

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

    .modal-content {
        width: 90%;
        margin: 20px auto;
    }
}