/* Стили для основных секций главной страницы */

/* Features Section - Общие стили для всех страниц */
.features-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

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

.features-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px -1px var(--shadow-color);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px var(--shadow-color);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

.about-subtitle {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.about-feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.about-feature-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.about-feature-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.about-feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Process Sections - Общие стили для всех страниц с процессами */
.exchange-process-section,
.buy-process-section,
.sell-process-section {
    padding: 80px 0;
    background: var(--bg-color);
}

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

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

.process-header {
    text-align: center;
    margin-bottom: 3rem;
}

.process-description {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.process-step-block {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    height: 100%;
    transition: all 0.3s ease;
}

.process-step-block:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.process-step-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.step-number {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.process-step-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.process-step-item i {
    color: var(--primary-color);
    width: 1rem;
    text-align: center;
}

.process-grid {
    margin-top: 2rem;
}

.additional-info-content {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 3rem;
}

.additional-info-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.additional-info-content li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

/* Networks Section */
.networks-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

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

.network-info-text {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.network-desc {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.network-desc:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.network-desc h5 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.network-desc p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.network-desc p:last-child {
    margin-bottom: 0;
}

.network-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.network-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.network-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.network-icon.erc20 {
    background: linear-gradient(135deg, #627eea 0%, #4f46e5 100%);
}

.network-icon.trc20 {
    background: linear-gradient(135deg, #ef564f 0%, #dc2626 100%);
}

.network-icon.bep20 {
    background: linear-gradient(135deg, #f3ba2f 0%, #ca8a04 100%);
}

.network-feature {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
}

.network-feature.high {
    background: var(--primary-color);
}

.network-feature.fast {
    background: var(--success-color);
}

.network-feature.efficient {
    background: var(--warning-color);
}

/* What is Exchange Section */
.what-is-exchange-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.what-is-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.what-is-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

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

.benefit-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    width: 1.5rem;
    text-align: center;
}

.benefit-item h5 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Available Crypto Section */
.available-crypto-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

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

.crypto-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
}

.crypto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.crypto-icon-large {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
    font-weight: 700;
}

.crypto-icon-large.bitcoin {
    background: linear-gradient(135deg, #f7931a 0%, #ff8c00 100%);
}

.crypto-icon-large.tether {
    background: linear-gradient(135deg, #26a17b 0%, #059669 100%);
}

.crypto-icon-large.ethereum {
    background: linear-gradient(135deg, #627eea 0%, #4f46e5 100%);
}

.crypto-icon-large.litecoin {
    background: linear-gradient(135deg, #bfbbbb 0%, #a5a5a5 100%);
}

.crypto-icon-large.ripple {
    background: linear-gradient(135deg, #23292f 0%, #0d1421 100%);
}

.crypto-icon-large.other {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #475569 100%);
}

.tether-symbol, .ltc-symbol, .xrp-symbol {
    font-size: 1.5rem;
    font-weight: 700;
}

.crypto-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin: 0.25rem;
}

/* Choose Exchange Section */
.choose-exchange-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.choose-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.choose-intro {
    margin-bottom: 3rem;
}

.factor-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    gap: 1rem;
}

.factor-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.factor-icon {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.factor-content h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.factor-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.tips-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 3rem;
}

.tips-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tips-card h4 i {
    color: var(--warning-color);
}

.tips-card ul {
    margin: 0;
    padding-left: 1.5rem;
}

.tips-card li {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

/* Book Exchange Section */
.book-exchange-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

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

.booking-step {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.booking-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.booking-step .step-number {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step-content h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.step-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-content li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.step-content li i {
    color: var(--primary-color);
    width: 1rem;
    text-align: center;
}

.info-block {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.info-block:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.info-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.info-content h5 {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.contact-info-booking {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 2rem;
}

.contact-info-booking h5 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.special-offer {
    background: rgba(37, 99, 235, 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

.timing-info {
    background: rgba(217, 119, 6, 0.1);
    border-left: 4px solid var(--warning-color);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

/* Common Elements - Общие элементы для всех страниц */

/* Общие стили для advantage/security/payout/benefit блоков */
.advantage-item,
.security-feature-item,
.payout-feature-item,
.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.advantage-item i,
.security-feature-icon i,
.payout-feature-icon i,
.benefit-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    width: 1.5rem;
    text-align: center;
}

.security-feature-icon,
.payout-feature-icon {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.security-feature-content h4,
.payout-feature-content h4,
.advantage-item h5,
.benefit-item h5 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.security-feature-content p,
.payout-feature-content p,
.advantage-item p,
.benefit-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Общие стили для секций с особенностями (features/advantages/etc) */
.security-section,
.security-features,
.payout-features {
    padding: 80px 0;
}

.security-section {
    background: var(--surface-color);
}

.security-content,
.payout-content {
    margin-bottom: 2rem;
}

.security-title,
.payout-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.security-subtitle,
.payout-subtitle {
    font-size: 1.125rem;
    color: var(--crypto-accent);
    font-weight: 600;
    margin-bottom: 2rem;
}

.security-text,
.payout-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: var(--surface-color);
}

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

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

.testimonials-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

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

.testimonial-card {
    background: var(--bg-color);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px var(--shadow-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
}

.author-rating {
    color: var(--crypto-accent);
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* FAQ Section - Общие стили для всех страниц */
.faq-section {
    padding: 80px 0;
    background: var(--bg-color);
}

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

.faq-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0;
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-answer {
    margin-top: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}


/* ================================
   WHAT IS CRYPTO EXCHANGE SECTION
   ================================ */

.what-is-exchange-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.what-is-content {
    max-width: 100%;
}

.what-is-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
    line-height: 1.2;
}

.what-is-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.what-is-text .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.what-is-text p {
    margin-bottom: 1.5rem;
}

.exchange-benefits {
    margin-top: 2.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.benefit-item h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ================================
   MOBILE RESPONSIVE
   ================================ */

@media (max-width: 768px) {
    .what-is-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .what-is-text .lead {
        font-size: 1.1rem;
    }

    .benefit-item {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }

    .benefit-item i {
        font-size: 1.25rem;
    }

    .benefit-item h5 {
        font-size: 1rem;
    }

    .benefit-item p {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .what-is-title {
        font-size: 1.5rem;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .benefit-item i {
        align-self: center;
    }
}