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

:root {
    /* NetAgence Color Palette */
    --primary-color: #0d61e6;
    --primary-dark: #043c8c;
    --secondary-color: #f7d546;
    --accent-color: #f7d546;
    --danger-color: #ef4444;
    --text-primary: #043c8c;
    --text-secondary: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #b1bbc6;
    --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);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    position: relative;
}

.nav-link:hover {
    opacity: 0.8;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    margin-bottom: 4rem;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out;
}

.payment-icon {
    font-size: 8rem;
    opacity: 0.9;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    font-weight: 600;
}

.btn-primary:hover {
    background: #f5c832;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Methods Section */
.methods-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

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

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.method-card {
    background: var(--bg-white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.method-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

.method-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.method-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.method-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Details Section */
.details-section {
    padding: 2rem 0;
    background: var(--bg-light);
}

.details-content {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    animation: slideDown 0.3s ease-out;
}

.details-content.hidden {
    display: none;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--danger-color);
    color: white;
    border: none;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.close-btn:hover {
    background: #dc2626;
    transform: rotate(90deg);
}

/* Comparison Section */
.comparison-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 600px;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.comparison-table th {
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 1.125rem;
}

.comparison-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s;
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.comparison-table td {
    padding: 1.25rem;
    color: var(--text-secondary);
}

.comparison-table td strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Tips Section */
.tips-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(13, 97, 230, 0.05) 0%, rgba(4, 60, 140, 0.05) 100%);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tip-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    position: relative;
    border-left: 4px solid var(--accent-color);
}

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

.tip-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--accent-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
}

.tip-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.tip-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

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

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer a {
    color: white;
    text-decoration: none;
}

.footer a:link,
.footer a:visited {
    color: white;
}

.footer a:hover {
    color: white;
    opacity: 0.8;
    text-decoration: underline;
}

.footer a:active {
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .payment-icon {
        font-size: 5rem;
    }

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

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

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

    .comparison-table-wrapper {
        margin: 0 -20px;
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .method-card,
    .tip-card {
        padding: 1.5rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Active Navigation Link */
.nav-link.active {
    opacity: 1;
    font-weight: 600;
}

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

/* Method Detail Page Styles */
.method-detail-page {
    padding: 2rem 0;
}

.method-article {
    background: white;
    border-radius: 1rem;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-lg);
}

.method-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.method-icon-large {
    font-size: 4rem;
}

.method-header h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
}

.method-content h3 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.method-content h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.protocol-grid,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.protocol-card,
.feature-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.protocol-card h4,
.feature-card h4 {
    margin-top: 0;
    color: var(--primary-color);
}

.advantages-list,
.disadvantages-list {
    list-style: none;
    margin: 1.5rem 0;
}

.advantages-list li,
.disadvantages-list li {
    padding: 0.75rem 0;
    padding-left: 0.5rem;
}

.cost-box {
    background: linear-gradient(135deg, rgba(13, 97, 230, 0.1) 0%, rgba(4, 60, 140, 0.1) 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.cost-box p {
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.crypto-grid,
.mobile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.crypto-card,
.mobile-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 2px solid var(--border-color);
}

.crypto-card h4,
.mobile-card h4 {
    margin-top: 0;
    color: var(--primary-color);
}

/* About Page Styles */
.about-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    text-align: left;
    margin-bottom: 3rem;
}

.about-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.lead-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

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

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

.about-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.values-section,
.why-section,
.disclaimer-section {
    margin: 4rem 0;
}

.values-section h2,
.why-section h2,
.disclaimer-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.value-item {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.75rem;
}

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.why-content p {
    margin: 1.5rem 0;
    line-height: 1.8;
    color: var(--text-secondary);
}

.disclaimer-box {
    background: #fef3c7;
    border-left: 4px solid var(--accent-color);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-top: 1.5rem;
}

.disclaimer-box p {
    margin: 1rem 0;
    color: var(--text-primary);
}

.disclaimer-box ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.stats-section {
    margin: 4rem 0;
    text-align: center;
}

.stats-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Contact Page Styles */
.contact-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 2rem;
}

.contact-form-container {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.contact-form {
    padding: 3rem;
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.checkbox-group {
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
}

.checkbox-group-multiple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 1.125rem;
}

.form-success {
    padding: 3rem;
    text-align: center;
    display: none;
}

.form-success.hidden {
    display: none;
}

.form-success:not(.hidden) {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.75rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.error-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

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

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Responsive for new pages */
@media (max-width: 968px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .protocol-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .method-article {
        padding: 2rem 1.5rem;
    }

    .method-header {
        flex-direction: column;
        text-align: center;
    }

    .method-header h2 {
        font-size: 2rem;
    }

    .about-grid,
    .values-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
}