/* ==========================================
   TON Airdrop Website - Modern CSS
   ========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #0088cc;
    --primary-dark: #006699;
    --primary-light: #4db8ff;
    --secondary: #28a745;
    --accent: #ff6b35;
    --background: #0a0a0f;
    --surface: #12121a;
    --surface-light: #1e1e2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6c6c7f;
    --border: #2a2a3a;
    --success: #00d084;
    --warning: #ffb800;
    --error: #ff4757;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0088cc 0%, #00d084 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-dark: linear-gradient(180deg, rgba(10,10,15,0) 0%, rgba(10,10,15,1) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max-width: 1200px;
    --container-padding: 24px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 136, 204, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(0, 50px) scale(0.9);
    }
    75% {
        transform: translate(-50px, -25px) scale(1.05);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-primary);
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--surface-light);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    display: none;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-link {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--accent);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-light);
    border-color: var(--primary);
}

.btn-full {
    width: 100%;
}

.btn-claim {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Supported Wallets */
.supported-wallets {
    display: flex;
    align-items: center;
    gap: 16px;
}

.wallets-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.wallet-icons {
    display: flex;
    gap: -8px;
}

.wallet-icon {
    width: 36px;
    height: 36px;
    background: var(--surface);
    border: 2px solid var(--background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-left: -8px;
    transition: var(--transition-fast);
}

.wallet-icon:first-child {
    margin-left: 0;
}

.wallet-icon:hover {
    background: var(--surface-light);
    color: var(--primary-light);
    transform: scale(1.1);
    z-index: 1;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.coin-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.coin {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: coinFloat 6s ease-in-out infinite;
}

.coin-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    box-shadow: var(--shadow-lg);
}

.coin-front {
    background: var(--gradient-primary);
    color: white;
}

.coin-back {
    background: var(--gradient-secondary);
    color: white;
    transform: rotateY(180deg);
    font-size: 3rem;
    font-weight: 700;
}

.coin-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes coinFloat {
    0%, 100% {
        transform: translateY(0) rotateY(0deg);
    }
    50% {
        transform: translateY(-30px) rotateY(180deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Floating Cards */
.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    animation: cardFloat 5s ease-in-out infinite;
}

.float-card i {
    color: var(--primary-light);
}

.card-1 {
    top: 10%;
    right: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    left: -20px;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    right: 20px;
    animation-delay: -4s;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    z-index: 1;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--surface-light);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Wallet Options */
.wallet-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.wallet-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    text-align: left;
}

.wallet-option:hover {
    background: var(--border);
    border-color: var(--primary);
}

.wallet-option-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.telegram-bg {
    background: #0088cc;
}

.tonkeeper-bg {
    background: #ff6b35;
}

.tonwallet-bg {
    background: #0088cc;
}

.mytonwallet-bg {
    background: #8b5cf6;
}

.wallet-option-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.wallet-name {
    font-weight: 600;
    color: var(--text-primary);
}

.wallet-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.wallet-option > i:last-child {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.wallet-note {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: rgba(0, 136, 204, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.wallet-note i {
    color: var(--primary);
}

.wallet-note a {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Eligibility Form */
.eligibility-form {
    margin-bottom: 24px;
}

.input-group {
    position: relative;
    margin-bottom: 16px;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
}

.input-field {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--surface);
}

.input-field::placeholder {
    color: var(--text-muted);
}

/* Eligibility Result */
.eligibility-result {
    display: none;
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
}

.eligibility-result.success {
    display: block;
    background: rgba(0, 208, 132, 0.1);
    border: 1px solid var(--success);
}

.eligibility-result.error {
    display: block;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--error);
}

.result-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
}

.success .result-icon {
    background: var(--success);
    color: white;
}

.error .result-icon {
    background: var(--error);
    color: white;
}

.result-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-amount {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.result-message {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
}

/* Eligibility Section */
.eligibility-section {
    padding: var(--section-padding) 0;
    position: relative;
}

.eligibility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.eligibility-card {
    padding: 32px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.eligibility-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.eligibility-icon {
    width: 64px;
    height: 64px;
    background: var(--surface-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-light);
    margin: 0 auto 20px;
}

.eligibility-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.eligibility-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.eligibility-reward {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--surface);
    position: relative;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 4rem;
    font-weight: 800;
    color: var(--surface-light);
    z-index: 0;
    line-height: 1;
}

.step-content {
    position: relative;
    z-index: 1;
    padding: 40px 24px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.step-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
    flex-shrink: 0;
}

/* Wallet Status Section */
.wallet-status-section {
    padding: 60px 0;
    position: relative;
}

.wallet-status-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.wallet-avatar {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.wallet-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.wallet-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.wallet-address {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.wallet-balance {
    display: flex;
    gap: 40px;
}

.balance-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.balance-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.balance-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.balance-value.eligible {
    color: var(--success);
}

/* FAQ Section */
.faq-section {
    padding: var(--section-padding) 0;
}

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

.faq-item {
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--surface);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--surface-light);
}

.faq-question i {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
    background: var(--surface);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: 80px 0 32px;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 360px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 3000;
    transform: translateX(150%);
    opacity: 0;
    transition: var(--transition-normal);
}

.toast.active {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    width: 40px;
    height: 40px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.toast-icon.error {
    background: var(--error);
}

.toast-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.toast-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.toast-close:hover {
    background: var(--surface-light);
    color: var(--text-primary);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    z-index: 4000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
    border-top-color: var(--secondary);
    animation-duration: 0.8s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    border-top-color: var(--accent);
    animation-duration: 0.6s;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    animation: pulseText 1.5s ease-in-out infinite;
}

@keyframes pulseText {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .supported-wallets {
        justify-content: center;
    }
    
    .coin-container {
        width: 200px;
        height: 200px;
    }
    
    .eligibility-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .eligibility-grid {
        grid-template-columns: 1fr;
    }
    
    .wallet-status-card {
        flex-direction: column;
        text-align: center;
    }
    
    .wallet-info {
        flex-direction: column;
    }
    
    .wallet-balance {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        gap: 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .modal-content {
        padding: 24px;
    }
    
    .wallet-option {
        padding: 12px;
    }
    
    .wallet-option-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface-light);
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}