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

body {
    font-family: 'Inter', 'system-ui', '-apple-system', sans-serif;
    line-height: 1.6;
    color: #1F2937;
    background-color: #ffffff;
}

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

/* Colors */
:root {
    --smart-green: #22C55E;
    --smart-green-light: #DCFCE7;
    --smart-gray: #1F2937;
    --smart-gray-light: #374151;
    --border-color: #E5E7EB;
    --text-muted: #6B7280;
}

.text-accent {
    color: var(--smart-green);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--smart-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--smart-gray-light);
    max-width: 48rem;
    margin: 0 auto;
}

/* Icons */
.icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #16A34A;
    transform: translateY(-2px);
}

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

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

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--smart-green);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--smart-gray-light);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-cta {
    background-color: var(--smart-green);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.nav-cta:hover {
    background-color: #16A34A;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--smart-gray);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--smart-green-light) 0%, white 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--smart-gray-light);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.05);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--smart-green-light);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease;
}

.feature-card:hover .feature-icon {
    background-color: var(--smart-green);
}

.feature-icon svg {
    width: 2rem;
    height: 2rem;
    color: var(--smart-green);
}

.feature-card:hover .feature-icon svg {
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--smart-gray-light);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background-color: #F9FAFB;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--smart-green);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--smart-gray-light);
    line-height: 1.6;
}

.benefits-image img {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    background-color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--smart-green);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: var(--smart-green);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--smart-green);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-icon {
    width: 5rem;
    height: 5rem;
    background-color: var(--smart-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: background-color 0.3s ease;
}

.pricing-card:hover .pricing-icon {
    background-color: var(--smart-green);
}

.pricing-card.featured .pricing-icon {
    background-color: var(--smart-green);
}

.pricing-icon svg {
    width: 2rem;
    height: 2rem;
    color: var(--smart-green);
}

.pricing-card:hover .pricing-icon svg,
.pricing-card.featured .pricing-icon svg {
    color: white;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--smart-gray-light);
    margin-bottom: 1.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--smart-green);
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--smart-gray-light);
    font-weight: 400;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--smart-gray-light);
}

.features-list svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--smart-green);
    flex-shrink: 0;
}

.pricing-note {
    text-align: center;
    margin-top: 3rem;
}

.note-content {
    background-color: var(--smart-green-light);
    border-radius: 1rem;
    padding: 1.5rem;
    max-width: 32rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.note-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--smart-green);
    flex-shrink: 0;
}

.note-content p {
    color: var(--smart-gray-light);
    font-size: 1.125rem;
}

/* Order Form Section */
.order-form-section {
    padding: 5rem 0;
    background-color: #F9FAFB;
}

.order-form-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.form-header p {
    font-size: 1.125rem;
    color: var(--smart-gray-light);
}

.selected-plan {
    background-color: var(--smart-green-light);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.selected-plan h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.plan-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--smart-green);
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--smart-green);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--smart-gray);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--smart-green);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.checkbox-group .link {
    color: var(--smart-green);
    cursor: pointer;
}

.checkbox-group .link:hover {
    text-decoration: underline;
}

.form-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-buttons .btn {
    flex: 1;
    min-width: 200px;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: var(--smart-gray);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2rem;
}

.contact-info p {
    font-size: 1.25rem;
    color: #D1D5DB;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--smart-green);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.contact-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #D1D5DB;
}

.contact-form-container {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    color: var(--smart-gray);
}

.contact-form-container h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

/* Footer */
.footer {
    background-color: var(--smart-gray);
    color: white;
    border-top: 1px solid #374151;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-main h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--smart-green);
    margin-bottom: 1rem;
}

.footer-main p {
    color: #D1D5DB;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    background-color: #374151;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #D1D5DB;
    transition: all 0.2s ease;
}

.social-link:hover {
    background-color: var(--smart-green);
    color: white;
}

.social-link svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-links h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #D1D5DB;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--smart-green);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #D1D5DB;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .benefits-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-buttons {
        flex-direction: column;
    }
    
    .form-buttons .btn {
        min-width: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .order-form-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
}