/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d2ff;
    --secondary-color: #ff6b35;
    --accent-color: #7c3aed;
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --card-bg: rgba(15, 15, 25, 0.8);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #666666;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    height: 100vh;
    margin: 0;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a0a2e 25%, #0a0a0f 50%, #16213e 75%, #0a0a0f 100%);
    background-size: 400% 400%;
    z-index: -1;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.background-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 210, 255, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(124, 58, 237, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 107, 53, 0.3) 0%, transparent 45%);
    animation: colorPulse 8s ease-in-out infinite;
    mix-blend-mode: screen;
}

@keyframes colorPulse {

    0%,
    100% {
        opacity: 1;
        filter: brightness(1) saturate(1);
    }

    33% {
        opacity: 0.85;
        filter: brightness(1.2) saturate(1.3);
    }

    66% {
        opacity: 0.9;
        filter: brightness(0.9) saturate(1.1);
    }
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: 40px;
    border-radius: 8px;
    object-fit: contain;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, var(--primary-color) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--text-primary);
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 210, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 210, 255, 0.5);
}

/* Exchange Section */
.exchange-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
}

.exchange-section .container {
    width: 100%;
}

.exchange-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.exchange-info {
    text-align: center;
}

.exchange-logo-section {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.exchange-logo {
    max-width: 350px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 32px rgba(0, 210, 255, 0.3));
}

.exchange-content {
    margin-bottom: 40px;
}

.exchange-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.exchange-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.2;
}

.exchange-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 16px;
}

.bonus-tiers {
    margin-bottom: 40px;
    text-align: center;
}

.bonus-tiers h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.supported-crypto {
    display: flex;
    justify-content: center;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .exchange-logo {
        max-width: 280px;
    }

    .exchange-content h2 {
        font-size: 1.8rem;
    }

    .exchange-description {
        font-size: 14px;
    }
}

.bonus-tiers h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.tier-cards {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.tier-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px 15px;
    text-align: center;
    flex: 1;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.tier-card.basic::before {
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
}

.tier-card.premium::before {
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
}

.tier-card.elite::before {
    background: linear-gradient(90deg, #f59e0b, #d97706);
}

.tier-card h4 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.tier-label {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.8;
}

.tier-card p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.bonus-text {
    color: var(--success-color) !important;
    font-weight: 600;
}

.tier-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.2);
}

.supported-crypto h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.crypto-icons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.crypto-icon {
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.crypto-icon.btc {
    color: #f7931a;
}

.crypto-icon.eth {
    color: #627eea;
}

.crypto-icon.ltc {
    color: #a6a9aa;
}

.crypto-icon.usdt {
    color: #26a17b;
}

.crypto-icon.ada {
    color: #0033ad;
}

.crypto-icon.dot {
    color: #e6007a;
}

.crypto-more {
    width: 45px;
    height: 45px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 10px;
    cursor: pointer;
}

.crypto-icon:hover,
.crypto-more:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
}

/* Exchange Form */
.exchange-form-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(20px);
    position: sticky;
    top: 100px;
    max-width: 500px;
    width: 100%;
}

.steps-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
}

.steps-indicator::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--card-border);
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: var(--gradient-accent);
    border-color: var(--primary-color);
    color: white;
}

.step-text {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.step.active .step-text {
    color: var(--primary-color);
}

.exchange-form h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group select option {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 12px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.1);
}

.crypto-amount {
    text-align: right;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 14px;
}

.calculation-display {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.calc-row:last-child {
    margin-bottom: 0;
}

.calc-value {
    font-weight: 600;
}

.calc-value.bonus {
    color: var(--success-color);
}

.bonus-info {
    border-top: 1px solid var(--card-border);
    padding-top: 15px;
    margin-top: 15px;
}

.proceed-button {
    width: 100%;
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 210, 255, 0.3);
}

.proceed-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 210, 255, 0.5);
}

.proceed-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 210, 255, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

/* Help Section */
.help-section {
    padding: 80px 0;
}

.help-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.15);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--card-border);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    margin: 5% auto;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.close-modal {
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.modal-body {
    padding: 30px;
}

.payment-step {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--card-border);
}

.payment-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.payment-step h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.payment-details {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.payment-address {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.payment-address input {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: monospace;
}

.copy-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.3);
}

.qr-code {
    /* center everything in the card */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;

    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid var(--card-border);
}

.qr-code canvas {
    border-radius: 12px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    border: 3px solid white !important;
}

.status-indicator {
    text-align: center;
    margin-bottom: 15px;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
}

.status.pending {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.status.confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.payment-timer {
    text-align: center;
    color: var(--text-secondary);
}

/* Mobile-First Responsive Design */

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--card-border);
    padding: 20px;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.3s ease;
}

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

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Touch-friendly buttons */
.cta-button,
.proceed-button,
.copy-btn {
    min-height: 48px;
    min-width: 48px;
    font-size: 16px;
}

/* Better touch targets */
.crypto-icon,
.crypto-more {
    min-width: 48px;
    min-height: 48px;
    font-size: 12px;
}

/* Mobile form improvements */
@media (max-width: 768px) {
    .navbar {
        position: relative;
    }

    .nav-container {
        flex-wrap: wrap;
        position: relative;
    }

    .nav-links {
        display: none;
    }

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

    .hero-section {
        min-height: 80vh;
        padding: 80px 0 40px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 16px;
        padding: 0 20px;
    }

    .exchange-container {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 600px;
        margin: 0 auto;
    }

    .exchange-form-container {
        position: relative;
        top: 0;
        padding: 25px;
        margin: 20px auto 0;
        max-width: 500px;
    }

    .exchange-description br {
        display: none;
    }

    .tier-cards {
        flex-direction: column;
        gap: 12px;
    }

    .tier-card {
        padding: 15px;
        text-align: center;
    }

    .tier-card h4 {
        font-size: 1.3rem;
    }

    .crypto-icons {
        justify-content: center;
        gap: 8px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 25px 20px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    /* Modal improvements */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        max-height: 90vh;
    }

    .modal-header {
        padding: 20px;
        text-align: center;
    }

    .modal-body {
        padding: 20px;
    }

    .payment-details {
        padding: 15px;
    }

    .payment-address {
        flex-direction: column;
        gap: 15px;
    }

    .payment-address input {
        font-size: 14px;
        padding: 15px;
    }

    .copy-btn {
        padding: 15px 25px;
        font-size: 14px;
    }

    .qr-code div {
        width: 180px !important;
        height: 180px !important;
    }

    /* Steps indicator mobile */
    .steps-indicator {
        flex-direction: row;
        justify-content: space-around;
        margin-bottom: 25px;
    }

    .steps-indicator::before {
        display: none;
    }

    .step {
        flex-direction: column;
        align-items: center;
        flex: 1;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }

    .step-text {
        font-size: 12px;
        margin-top: 5px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .nav-container {
        padding: 0 15px;
        height: 60px;
    }

    .logo {
        height: 35px;
        width: 35px;
    }

    .nav-logo h2 {
        font-size: 20px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .hero-content p {
        font-size: 14px;
        margin-bottom: 25px;
    }

    .cta-button {
        padding: 14px 24px;
        font-size: 14px;
    }

    .exchange-section {
        padding: 60px 0;
    }

    .exchange-info h2 {
        font-size: 2rem;
    }

    .exchange-form-container {
        padding: 20px 15px;
    }

    .exchange-form h3 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-group input,
    .form-group select {
        padding: 14px;
        font-size: 16px;
        /* Prevents zoom on iOS */
    }

    .tier-card {
        padding: 12px;
    }

    .tier-card h4 {
        font-size: 1.2rem;
    }

    .crypto-icon,
    .crypto-more {
        width: 40px;
        height: 40px;
        font-size: 11px;
    }

    .calculation-display {
        padding: 15px;
    }

    .proceed-button {
        padding: 16px;
        font-size: 15px;
    }

    .features-section h2,
    .help-section h2 {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .feature-card {
        padding: 20px 15px;
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .faq-item {
        padding: 20px 15px;
    }

    .footer {
        padding: 40px 0 15px;
    }

    /* Modal mobile adjustments */
    .modal-content {
        width: 98%;
        margin: 2% auto;
        border-radius: 15px;
    }

    .modal-header h3 {
        font-size: 1.3rem;
    }

    .payment-step h4 {
        font-size: 1.1rem;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .qr-code div {
        width: 160px !important;
        height: 160px !important;
    }

    /* Notification mobile */
    .notification {
        right: 10px;
        left: 10px;
        max-width: none;
        font-size: 14px;
        padding: 12px 15px;
    }
}

/* Extra small devices */
@media (max-width: 320px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }

    .exchange-info h2 {
        font-size: 1.8rem;
    }

    .tier-cards {
        gap: 10px;
    }

    .crypto-icons {
        gap: 6px;
    }

    .crypto-icon,
    .crypto-more {
        width: 35px;
        height: 35px;
        font-size: 10px;
    }

    .modal-content {
        border-radius: 10px;
    }

    .qr-code div {
        width: 140px !important;
        height: 140px !important;
    }
}

.crypto-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2));
    pointer-events: none;
}