* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #f1f5f9;
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Header */
header {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #334155;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: #60a5fa;
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a:hover {
    color: #60a5fa;
}

/* Hero */
.hero {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #f8fafc;
}

.hero h1 i {
    color: #60a5fa;
    margin-right: 10px;
}

.subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto 40px;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(30, 41, 59, 0.5);
    padding: 15px 25px;
    border-radius: 12px;
    border: 1px solid #334155;
}

.stat i {
    color: #60a5fa;
    font-size: 1.5rem;
}

/* Converter Card */
.converter-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid #475569;
    padding: 30px;
    margin: 40px auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: #334155;
    z-index: 1;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
    position: relative;
    color: #94a3b8;
}

.step.active {
    color: #60a5fa;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #1e293b;
    border: 3px solid #334155;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 10px;
    transition: all 0.3s;
}

.step.active .step-number {
    background: #1e40af;
    border-color: #60a5fa;
    color: white;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-step h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #f8fafc;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-description {
    color: #94a3b8;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid #475569;
    border-radius: 10px;
    color: #f1f5f9;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #60a5fa;
}

.hint {
    display: block;
    margin-top: 5px;
    color: #64748b;
    font-size: 0.9rem;
}

.fee-calculator, .summary {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    border: 1px solid #334155;
}

.fee-row, .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #334155;
}

.fee-row:last-child, .summary-row:last-child {
    border-bottom: none;
}

.fee-row.total, .summary-row.total {
    font-size: 1.1rem;
    color: #60a5fa;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    width: 100%;
    margin-top: 20px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #94a3b8;
    border: 2px solid #475569;
    margin-top: 15px;
    width: 100%;
}

.btn-secondary:hover {
    border-color: #60a5fa;
    color: #60a5fa;
}

.security-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    color: #86efac;
    font-size: 0.9rem;
}

/* Success Step */
.success-icon {
    font-size: 5rem;
    color: #86efac;
    margin-bottom: 20px;
    text-align: center;
}

.success-message {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 30px;
    text-align: center;
}

.transaction-details {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 12px;
    padding: 25px;
    margin: 30px auto;
    max-width: 500px;
    border: 1px solid #334155;
}

.detail {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #334155;
}

.detail:last-child {
    border-bottom: none;
}

.actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.actions .btn-primary, .actions .btn-secondary {
    width: auto;
    min-width: 200px;
}

.support-note {
    margin-top: 30px;
    color: #fbbf24;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* How It Works */
.how-it-works {
    margin: 80px 0;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-subtitle {
    text-align: center;
    color: #94a3b8;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.work-step {
    flex: 1;
    min-width: 250px;
    background: rgba(30, 41, 59, 0.7);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #475569;
    transition: all 0.3s;
}

.work-step:hover {
    transform: translateY(-10px);
    border-color: #60a5fa;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.step-icon {
    font-size: 3rem;
    color: #60a5fa;
    margin-bottom: 20px;
}

.work-step h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #f8fafc;
}

.work-step p {
    color: #94a3b8;
    line-height: 1.6;
}

/* Reviews */
.reviews {
    margin: 80px 0;
}

.reviews h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.review {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid #475569;
    transition: transform 0.3s;
}

.review:hover {
    transform: translateY(-5px);
    border-color: #60a5fa;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-header img {
    border-radius: 50%;
}

.review-header h4 {
    font-size: 1.1rem;
    color: #f8fafc;
}

.stars {
    color: #fbbf24;
    margin-top: 5px;
}

.review-text {
    color: #cbd5e1;
    font-style: italic;
    margin-bottom: 15px;
}

.review-date {
    color: #64748b;
    font-size: 0.9rem;
}

/* FAQ - FIXED */
.faq {
    margin: 80px 0;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

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

.faq-item {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 12px;
    margin-bottom: 15px;
    border: 1px solid #475569;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: #e2e8f0;
    transition: background 0.3s;
}

.faq-question:hover {
    background: rgba(30, 41, 59, 0.9);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: #94a3b8;
    border-top: 1px solid transparent;
}

.faq-answer.active {
    padding: 20px;
    max-height: 300px;
    border-top: 1px solid #334155;
}

.faq-answer p {
    line-height: 1.6;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid #334155;
    margin-top: 60px;
    color: #94a3b8;
}

footer a {
    color: #60a5fa;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.disclaimer {
    font-size: 0.9rem;
    margin-top: 15px;
    color: #64748b;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .stats {
        flex-direction: column;
        align-items: center;
    }
    
    .steps {
        flex-direction: column;
        gap: 30px;
    }
    
    .steps::before {
        display: none;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .work-step {
        width: 100%;
    }
    
    .review-grid {
        grid-template-columns: 1fr;
    }
    
    .actions {
        flex-direction: column;
    }
    
    .actions .btn-primary, .actions .btn-secondary {
        width: 100%;
    }
}