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

:root {
    --green-primary: #059669;
    --green-light: #10b981;
    --green-dark: #047857;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    background: white;
}

.error-message {
    color: #e53935;
    font-size: 0.85rem;
    margin-top: 4px;
    display: none;
}
input.error, select.error, textarea.error {
    border-color: #e53935 !important;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 20px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--green-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--green-primary);
}

.btn-nav {
    background: var(--green-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: background 0.2s;
}

.btn-nav:hover {
    background: var(--green-dark);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--gray-900);
}

.mobile-menu {
    display: none;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 16px;
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    padding: 8px 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, var(--gray-50), white);
    padding: 80px 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    padding-top: 64px;
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--green-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-cta {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 16px;
}

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

.btn-primary:hover {
    background: var(--green-dark);
}

.btn-secondary {
    background: white;
    color: var(--green-primary);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--green-primary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-cta {
    background: white;
    color: var(--green-primary);
    font-size: 18px;
}

.btn-cta:hover {
    transform: translateY(-2px);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-600);
}

/* Services Section */
.services {
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    transition: all 0.2s;
}

.service-card:hover {
    border-color: var(--green-light);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.service-number {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--gray-600);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.service-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-primary);
    font-weight: 700;
}

/* Benefits Section */
.benefits {
    background: var(--gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.benefit {
    background: white;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.benefit h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.benefit p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    background: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    padding: 32px 24px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--green-primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.step p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    background: var(--gray-50);
}

.pricing-card {
    max-width: 600px;
    margin: 0 auto 48px;
    background: white;
    border-radius: 12px;
    border: 2px solid var(--green-primary);
    padding: 48px 40px;
    position: relative;
    text-align: center;
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 32px;
}

.currency {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-600);
}

.amount {
    font-size: 72px;
    font-weight: 900;
    color: var(--green-primary);
    line-height: 1;
}

.period {
    font-size: 24px;
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-size: 16px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--green-primary);
    font-weight: 600;
}

.charity-section {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.charity-section h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.charity-section p {
    color: var(--gray-600);
    font-size: 16px;
    margin-bottom: 12px;
}

.charity-highlight {
    color: var(--green-primary);
    font-size: 20px !important;
    font-weight: 700 !important;
    margin-bottom: 24px !important;
}

/* CTA Section */
.cta {
    background: var(--green-primary);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-900);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    color: var(--gray-900);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-primary);
}

.contact-info {
    background: var(--gray-50);
    padding: 32px;
    border-radius: 12px;
    height: fit-content;
}

.contact-info h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.info-item {
    margin-bottom: 24px;
}

.info-item strong {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.info-item a {
    color: var(--green-primary);
    text-decoration: none;
    font-weight: 600;
}

.info-item span {
    color: var(--gray-700);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 48px;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 28px;
    color: var(--gray-600);
    cursor: pointer;
    line-height: 1;
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--green-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto 24px;
}

.modal-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.modal-content p {
    color: var(--gray-600);
    font-size: 16px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero-description {
        font-size: 18px;
    }

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

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .services-grid,
    .benefits-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }

    .stat-number {
        font-size: 36px;
    }

    .amount {
        font-size: 56px;
    }
}