:root {
    /* Color System */
    --primary-50: #f0f7ff;
    --primary-100: #e0eefe;
    --primary-200: #bae0fd;
    --primary-300: #7cc6fb;
    --primary-400: #36a7f6;
    --primary-500: #0d8df2;
    --primary-600: #0072e6;
    --primary-700: #025abd;
    --primary-800: #064a95;
    --primary-900: #0b3f79;
    
    --secondary-50: #edfdf8;
    --secondary-100: #d4f9ee;
    --secondary-200: #a8f2dd;
    --secondary-300: #6be6c7;
    --secondary-400: #30d1ac;
    --secondary-500: #0bb58e;
    --secondary-600: #009574;
    --secondary-700: #00785e;
    --secondary-800: #025f4b;
    --secondary-900: #024d3e;
    
    --accent-50: #fff7ed;
    --accent-100: #ffeed3;
    --accent-200: #fddaa7;
    --accent-300: #fbbc70;
    --accent-400: #f99639;
    --accent-500: #f67a15;
    --accent-600: #e0590a;
    --accent-700: #ba4108;
    --accent-800: #973410;
    --accent-900: #7b2c0f;
    
    --success-50: #ecfdf5;
    --success-500: #10b981;
    --success-700: #047857;
    
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-700: #b45309;
    
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-700: #b91c1c;
    
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;
    
    /* Spacing System (8px) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 40px;
    --space-7: 48px;
    --space-8: 64px;
    --space-9: 80px;
    --space-10: 96px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--space-3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(145deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(145deg, var(--primary-700), var(--primary-800));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border: 1px solid var(--primary-600);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-700);
    color: var(--primary-700);
}

.btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: 1.125rem;
}

/* Header */
.header {
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo img {
    height: 36px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    background: linear-gradient(90deg, var(--primary-600), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav ul {
    display: flex;
    gap: var(--space-5);
    list-style: none;
}

.main-nav a {
    color: var(--neutral-700);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--primary-600);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--neutral-700);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: var(--shadow-lg);
    z-index: 99;
    padding: var(--space-4);
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-menu a {
    color: var(--neutral-700);
    font-size: 1.125rem;
    font-weight: 500;
}

/* Hero Section */
.hero {
    padding: var(--space-8) 0 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--neutral-50), var(--primary-50));
}

.hero-content {
    max-width: 600px;
    margin-bottom: var(--space-6);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-700), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-3);
}

.hero p {
    font-size: 1.25rem;
    color: var(--neutral-700);
    margin-bottom: var(--space-5);
}

.hero-cta {
    display: flex;
    gap: var(--space-3);
}

.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    display: flex;
    justify-content: flex-end;
}

.hero-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.15));
    animation: float 6s ease-in-out infinite;
}

.hero-stats {
    background-color: white;
    padding: var(--space-6) 0;
    margin-top: var(--space-8);
    box-shadow: var(--shadow-md);
}

.stats-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.stat-item {
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-600);
    margin-bottom: var(--space-1);
}

.stat-item p {
    color: var(--neutral-600);
    font-size: 1rem;
    margin: 0;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Sections */
section {
    padding: var(--space-9) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-7);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    background: linear-gradient(90deg, var(--primary-700), var(--secondary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--neutral-600);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-5);
}

.service-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--primary-500), var(--primary-600));
    margin-bottom: var(--space-3);
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

#rectification .service-icon {
    background: linear-gradient(145deg, var(--primary-500), var(--primary-600));
}

#validation .service-icon {
    background: linear-gradient(145deg, var(--success-500), var(--primary-500));
}

#recovery .service-icon {
    background: linear-gradient(145deg, var(--warning-500), var(--accent-500));
}

#staking .service-icon {
    background: linear-gradient(145deg, var(--accent-500), var(--primary-500));
}

#withdrawal .service-icon {
    background: linear-gradient(145deg, var(--secondary-500), var(--primary-500));
}

#migration .service-icon {
    background: linear-gradient(145deg, var(--primary-500), var(--secondary-500));
}

.service-card h3 {
    margin-bottom: var(--space-2);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--neutral-600);
    margin-bottom: var(--space-4);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: 500;
    color: var(--primary-600);
}

.service-link:hover {
    color: var(--primary-700);
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(4px);
}

/* Solutions Tabs */
.solutions-container {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.solutions-tabs {
    display: flex;
    border-bottom: 1px solid var(--neutral-200);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    padding: var(--space-3) var(--space-4);
    font-weight: 500;
    color: var(--neutral-600);
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    transition: color var(--transition-fast);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.tab-btn.active {
    color: var(--primary-600);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-btn:hover {
    color: var(--primary-600);
}

.tab-content {
    display: none;
    padding: var(--space-6);
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

.solution-info {
    margin-bottom: var(--space-5);
}

.solution-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-3);
}

.solution-info p {
    color: var(--neutral-600);
    margin-bottom: var(--space-4);
}

.solution-image {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.solution-image img:hover {
    transform: scale(1.03);
}

/* Wallet Connect */
.wallet-connect {
    background: linear-gradient(145deg, var(--primary-700), var(--primary-900));
    color: white;
}

.wallet-connect-content {
    text-align: center;
}

.wallet-connect h2 {
    color: white;
    margin-bottom: var(--space-3);
}

.wallet-connect p {
    color: var(--neutral-100);
    margin-bottom: var(--space-6);
}

.wallets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-4);
}

.wallet-option {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.wallet-option:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.wallet-option img {
    height: 60px;
    width: auto;
}

.wallet-option span {
    font-weight: 500;
}

.more-wallets-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    font-size: 1.5rem;
}

/* Validation Process */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-500), var(--secondary-500));
    z-index: 0;
}

.step {
    display: flex;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--primary-500), var(--primary-600));
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.step-content {
    background-color: white;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    flex-grow: 1;
}

.step-content h3 {
    margin-bottom: var(--space-2);
}

.step-content p {
    color: var(--neutral-600);
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--neutral-900);
    color: var(--neutral-200);
    padding: var(--space-7) 0 var(--space-4);
    margin-top: auto;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-right: var(--space-6);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo h2 {
    background: linear-gradient(90deg, var(--primary-400), var(--secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-7);
    flex-grow: 1;
}

.footer-col h3 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--space-3);
}

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

.footer-col li {
    margin-bottom: var(--space-2);
}

.footer-col a {
    color: var(--neutral-400);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--neutral-800);
}

.footer-bottom p {
    margin: 0;
    color: var(--neutral-500);
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--neutral-800);
    color: var(--neutral-300);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

/* Validation Modal */
.validation-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--neutral-500);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--error-500);
}

.modal-body {
    padding: var(--space-4);
}

.validation-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-weight: 500;
    color: var(--neutral-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-500);
    outline: none;
}

.input-hint {
    font-size: 0.875rem;
    color: var(--neutral-500);
    margin-top: var(--space-1);
}

.validation-options {
    margin-bottom: var(--space-3);
}

.validation-options h3 {
    font-size: 1rem;
    margin-bottom: var(--space-2);
}

.validation-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.validation-option input[type="radio"] {
    width: 16px;
    height: 16px;
}

.form-actions {
    margin-top: var(--space-4);
    text-align: right;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--neutral-300);
    border-top: 4px solid var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-3);
}

.loading-overlay p {
    font-weight: 500;
    color: var(--neutral-800);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-image {
        position: relative;
        top: 0;
        transform: none;
        width: 100%;
        max-width: 100%;
        margin-top: var(--space-6);
    }
    
    .solutions-content {
        flex-direction: column;
    }
    
    .solution-info, .solution-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .main-nav {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1.125rem;
    }
    
    .tab-btn {
        padding: var(--space-2) var(--space-3);
        font-size: 0.875rem;
    }
    
    .footer-top {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .footer-nav {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .wallets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .process-steps::before {
        display: none;
    }
}