/* DipenMali - Professional Mining Platform */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Professional Neutral Colors */
    --primary: #1f2937;
    --primary-dark: #111827;
    --primary-light: #4b5563;
    --accent: #f59e0b;
    --success: #059669;
    --danger: #dc2626;
    --warning: #f59e0b;
    
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-card: #ffffff;
    --bg-hover: #f3f4f6;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Borders */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    
    /* Spacing */
    --container-max: 1400px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Transitions */
    --transition: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* ============ NAVIGATION ============ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

/* Hide disconnect button on mobile - address is clickable */
.desktop-only {
    display: block;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    gap: 1rem;
    flex-wrap: wrap;
}

.wallet-container {
    display: flex;
    align-items: center;
    margin-left: auto;
    order: 2;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.wallet-connect-btn {
    background: var(--primary);
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.wallet-connect-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.wallet-address-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.wallet-address-container:hover {
    background: rgba(0, 0, 0, 0.05);
}

.wallet-status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    flex-shrink: 0;
}

.wallet-address {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 600;
    word-break: break-all;
    white-space: nowrap;
}

.disconnect-btn {
    background: var(--danger);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.disconnect-btn:hover {
    background: #b91c1c;
}

/* ============ HERO SECTION ============ */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.bitcoin-watermark {
    position: absolute;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.03);
    z-index: 0;
    pointer-events: none;
    user-select: none;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
    padding: 0;
    margin: 0;
}

.hero-title {
    font-size: clamp(1.75rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    text-align: center;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.gradient-text {
    display: inline-block;
    color: white;
}

.hero-text {
    text-align: center;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin: 0 auto;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    opacity: 0.95;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    text-align: center;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.highlight {
    background: rgba(245, 158, 11, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    display: inline;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin-top: var(--spacing-lg);
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-value {
    font-size: 2rem;
    font-weight: 900;
}

.stat-label {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    opacity: 0.9;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.coin-animation {
    position: relative;
    width: 400px;
    height: 400px;
}

.coin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 300px;
    opacity: 0.3;
    color: white;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 50px;
    opacity: 0.6;
}

/* ============ SECTIONS ============ */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    justify-items: center;
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.dashboard-card:hover {
    box-shadow: var(--shadow-md);
}

.dashboard-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
    width: 100%;
}

.metric {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.claim-btn {
    width: 100%;
    padding: 1.25rem;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.claim-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.claim-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.notice {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: var(--spacing-md);
    border-radius: 16px;
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

.notice-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.notice h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.notice p {
    color: var(--text-secondary);
    margin: 0;
}

/* How It Works */
.how-it-works {
    background: var(--bg-tertiary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    justify-items: center;
}

.step {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.step-content {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    text-align: center;
    width: 100%;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    text-align: center;
    width: 100%;
}

/* Stats Section */
.stats-section {
    background: var(--bg-tertiary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.stat-info h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
}

.stat-desc {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-company h4 {
    margin-bottom: var(--spacing-sm);
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-contact {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.social-links {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: white;
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Buy Tokens Section */
.buy-tokens-container {
    margin-top: 2rem;
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.buy-card {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.buy-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.buy-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.buy-card input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.referral-link-box {
    background: var(--bg-card);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.referral-link-box h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.referral-link-input {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.referral-link-input input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.referral-link-input input:focus {
    outline: none;
    border-color: var(--accent);
}

.referral-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.referral-stat {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    text-align: left;
}

.referral-stat strong {
    color: var(--text-primary);
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Contact Form Styles */
#contactForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

#contactForm input,
#contactForm textarea {
    transition: var(--transition);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

#contactForm input:focus,
#contactForm textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 41, 55, 0.1);
}

/* Footer social hover */
.footer-section .social-links .social-icon:hover {
    transform: translateY(-3px) scale(1.1);
}

/* ============ FLOATING ACTION BUTTONS ============ */
.fab-container {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    z-index: 99999 !important;
    display: flex !important;
    flex-direction: column;
    gap: 12px;
    pointer-events: auto !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: auto !important;
    height: auto !important;
}

.fab-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    color: white !important;
    font-weight: 600;
    visibility: visible !important;
    opacity: 1 !important;
}

.fab-buy {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.fab-sell {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.fab-reward {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.fab-btn:hover {
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.fab-btn:active {
    transform: scale(0.95);
}

.fab-icon {
    font-size: 1.5rem;
    line-height: 1;
    margin-bottom: 2px;
    display: block;
}

.fab-label {
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
}

/* Responsive - Mobile First Approach */
@media (max-width: 968px) {
    /* Make header scrollable (not fixed) on mobile */
    .navbar {
        position: relative;
    }
    
    /* Hide navigation menu on mobile */
    .nav-menu {
        display: none !important;
    }
    
    /* Hide disconnect button on mobile */
    .desktop-only {
        display: none !important;
    }
    
    /* Make wallet address clickable on mobile */
    .wallet-address-container {
        cursor: pointer;
        user-select: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0;
        margin: 0;
    }
    
    .hero-text {
        text-align: center !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
    }
    
    .hero-subtitle {
        word-wrap: break-word !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    .hero-title {
        text-align: center !important;
        font-size: clamp(1.75rem, 5vw, 3rem) !important;
    }
    
    .hero-subtitle {
        text-align: center !important;
        font-size: clamp(0.95rem, 2.5vw, 1.15rem) !important;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    /* Center all content on mobile */
    .container {
        padding: 0 1rem;
        width: 100%;
        box-sizing: border-box;
    }
    
    section {
        text-align: center;
    }
    
    .section-title,
    .section-subtitle {
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr !important;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .buy-card {
        padding: 1.5rem;
    }
    
    .nav-wrapper {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .wallet-container {
        order: 2;
        margin-left: 0;
        width: auto;
    }
    
    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
    
    .wallet-connect-btn {
        width: 100%;
        max-width: 300px;
        font-size: 0.9rem;
        padding: 0.65rem 1.25rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        font-size: 1.75rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
    }
    
    .hero .container {
        padding: 0 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        margin: 0 auto !important;
    }
    
    .hero-content {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Ensure all sections are centered */
    section {
        text-align: center;
    }
    
    .section-title,
    .section-subtitle,
    .hero-title,
    .hero-subtitle {
        text-align: center !important;
    }
    
    .hero-text {
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
    }
    
    .hero-subtitle {
        width: 100% !important;
        max-width: 100% !important;
        word-wrap: break-word !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
        padding: 0 !important;
        box-sizing: border-box !important;
        text-align: center !important;
        font-size: clamp(0.9rem, 3vw, 1.1rem) !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
    }
    
    .hero-title {
        width: 100% !important;
        max-width: 100% !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        box-sizing: border-box !important;
        text-align: center !important;
        font-size: clamp(1.5rem, 6vw, 2.5rem) !important;
        margin: 0 auto !important;
        overflow-x: hidden !important;
        padding: 0 !important;
    }
    
    .hero-buttons {
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 1.5rem auto 2rem auto !important;
        box-sizing: border-box !important;
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: 0.75rem !important;
    }
    
    .btn {
        max-width: 48% !important;
        width: auto !important;
        min-width: 0 !important;
        flex: 1 1 auto !important;
        box-sizing: border-box !important;
        padding: 0.875rem 1rem !important;
        font-size: 0.85rem !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin: 0 !important;
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem !important;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 1.5rem auto 0 auto !important;
        box-sizing: border-box !important;
    }
    
    .stat-item {
        padding: 1rem 0.75rem !important;
        font-size: 0.9rem !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin: 0 !important;
    }
    
    .stat-value {
        font-size: 1.5rem !important;
    }
    
    .stat-label {
        font-size: 0.75rem !important;
        margin-top: 0.25rem !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .buy-card {
        padding: 1.25rem;
        border-radius: 16px;
    }
    
    .buy-icon {
        font-size: 3rem;
    }
    
    .dashboard-card {
        padding: 1.5rem;
    }
    
    .metric {
        font-size: 1.75rem;
    }
    
    .nav-wrapper {
        flex-wrap: nowrap;
        gap: 0.5rem;
        padding: 0.4rem 0.5rem;
        margin: 0;
    }
    
    .navbar .container {
        padding: 0 0.5rem;
    }
    
    .wallet-container {
        order: 2;
        margin-left: auto;
        width: auto;
        flex-shrink: 0;
    }
    
    .wallet-info {
        padding: 0.25rem 0.5rem;
        gap: 0.4rem;
    }
    
    .wallet-address {
        font-size: 0.75rem;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .wallet-status-dot {
        width: 6px;
        height: 6px;
    }
    
    .logo {
        font-size: 1.2rem;
        flex-shrink: 0;
    }
    
    .logo-icon {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .custom-modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .custom-modal-header {
        padding: 1rem;
    }
    
    .custom-modal-body {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .referral-link-input {
        flex-direction: column;
    }
    
    .referral-link-input input {
        width: 100%;
    }
    
    .wallet-info {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
        padding: 0.75rem;
    }
    
    .wallet-address-container {
        width: 100%;
        justify-content: center;
        margin-bottom: 0.5rem;
    }
    
    .wallet-address {
        text-align: center;
        font-size: 0.85rem;
        word-break: break-all;
    }
    
    .disconnect-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .buy-card {
        padding: 1rem;
    }
    
    .dashboard-card {
        padding: 1.25rem;
    }
    
    .metric {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .fab-container {
        bottom: 15px;
        right: 15px;
        gap: 10px;
    }
    
    .fab-btn {
        width: 56px;
        height: 56px;
    }
    
    .fab-icon {
        font-size: 1.3rem;
    }
    
    .fab-label {
        font-size: 0.6rem;
    }
    
    /* Ensure FAB buttons stay visible on mobile */
    .fab-container {
        position: fixed !important;
        z-index: 99999 !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        bottom: 15px !important;
        right: 15px !important;
    }
    
    .nav-menu {
        font-size: 0.75rem;
        gap: 0.25rem;
    }
    
    .nav-menu a {
        padding: 0.2rem 0.35rem;
    }
}

::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Custom Modal Styles */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.custom-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.custom-modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    border: 1px solid var(--border-light);
}

.custom-modal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.custom-modal-icon {
    font-size: 2rem;
    line-height: 1;
}

.custom-modal-title {
    flex: 1;
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.custom-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all var(--transition);
}

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

.custom-modal-body {
    padding: 1.5rem;
    color: var(--text-primary);
    line-height: 1.6;
    max-height: 60vh;
    overflow-y: auto;
}

.custom-modal-body p {
    margin: 0;
    white-space: pre-line;
}

.custom-modal-footer {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
    justify-content: flex-end;
}

.custom-modal-footer button {
    min-width: 100px;
}

/* Modal Types */
.custom-modal.success .custom-modal-icon {
    color: var(--success);
}

.custom-modal.error .custom-modal-icon {
    color: var(--danger);
}

.custom-modal.warning .custom-modal-icon {
    color: var(--warning);
}

.custom-modal.info .custom-modal-icon {
    color: #3b82f6;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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