/* Modern Fintech Design - Non-Custodial Crypto Exchange Interface */

:root {
    --primary-color: #0052ff;
    --secondary-color: #6c5ce7;
    --accent-color: #00d4ff;
    --dark-bg: #0a0e27;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --success-color: #00d9a5;
    --warning-color: #ffb800;
    --error-color: #ff4757;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, rgba(0, 82, 255, 0.1) 0%, transparent 70%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 82, 255, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-3);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Swap Form */
.swap-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.compliance-disclaimer {
    background: rgba(255, 184, 0, 0.1);
    border: 1px solid rgba(255, 184, 0, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.compliance-disclaimer strong {
    color: var(--warning-color);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.swap-form {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.rate-display {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.rate-display .label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.rate-display .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Footer */
.footer {
    background: rgba(10, 14, 39, 0.9);
    border-top: 1px solid var(--card-border);
    padding: 3rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-disclaimer {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-disclaimer a {
    color: var(--accent-color);
    text-decoration: none;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--card-border);
    padding: 1.5rem 2rem;
    z-index: 10000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-banner-text {
    flex: 1;
    color: var(--text-secondary);
}

.cookie-banner-text a {
    color: var(--accent-color);
    text-decoration: none;
}

.cookie-banner-text a:hover {
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: 1rem;
}

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

    .hero h1 {
        font-size: 2rem;
    }

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

    .swap-container {
        padding: 0 1rem;
    }

    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner-actions {
        width: 100%;
        justify-content: center;
    }
}

/* Page Content */
.page-header {
    text-align: center;
    padding: 3rem 2rem 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.page-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.page-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.page-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.page-content ul,
.page-content ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.page-content li {
    margin-bottom: 0.5rem;
}

/* Business Info */
.business-info {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.business-info h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.business-info p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.business-info a {
    color: var(--accent-color);
    text-decoration: none;
}

.business-info a:hover {
    text-decoration: underline;
}