/* CyberAI Referral Program - Dark Theme */
:root {
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --accent-glow: rgba(59, 130, 246, 0.5);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gold: #f59e0b;
    --gold-light: rgba(245, 158, 11, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.bg-animation {
    position: fixed; inset: 0; z-index: -1; overflow: hidden;
}
.bg-animation::before {
    content: ''; position: absolute; width: 150%; height: 150%; top: -25%; left: -25%;
    background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
}
@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

.page { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; position: relative; z-index: 1; }

/* Header */
header {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 14px 24px; background: rgba(10, 15, 28, 0.9);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.brand {
    display: flex; align-items: center; gap: 12px;
    font-weight: 700; font-size: 1.2rem; color: var(--text-primary);
}
.brand-logo {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: grid; place-items: center; font-size: 1.2rem;
    box-shadow: 0 4px 16px var(--accent-glow);
}

/* Buttons */
.cta-button {
    background: var(--accent-gradient); color: white; border: none;
    padding: 12px 24px; border-radius: var(--radius-md);
    font-weight: 700; font-size: 0.95rem; cursor: pointer;
    box-shadow: 0 8px 24px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.cta-button:hover { transform: translateY(-3px); box-shadow: 0 12px 32px var(--accent-glow); }
.secondary-button {
    border: 1px solid var(--border-color); background: var(--bg-card); color: var(--accent-primary);
    padding: 12px 24px; border-radius: var(--radius-md); font-weight: 700; font-size: 0.95rem; cursor: pointer;
    transition: all 0.3s ease;
}
.secondary-button:hover { transform: translateY(-3px); border-color: var(--accent-primary); background: rgba(59, 130, 246, 0.1); }
.login-trigger {
    border: 1px solid var(--border-color); background: transparent; color: var(--accent-primary);
    padding: 10px 18px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer;
    transition: all 0.2s ease;
}
.login-trigger:hover { transform: translateY(-2px); border-color: var(--accent-primary); }

/* Hero */
.hero { margin-top: 60px; text-align: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px;
    background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning); border-radius: 100px; font-size: 0.85rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 24px;
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800;
    margin-bottom: 20px; line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, var(--warning) 50%, var(--accent-primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { color: var(--text-secondary); font-size: 1.15rem; max-width: 700px; margin: 0 auto 32px; line-height: 1.7; }

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; margin: 0 0 20px; text-align: center;
}
.section-subtitle { color: var(--text-muted); margin-bottom: 30px; text-align: center; font-size: 1.05rem; }

/* Logged-in view */
#logged-in-view { display: none; }
#logged-in-view.active { display: block; }

/* Referral Dashboard */
.referral-dashboard {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 40px; margin-top: 40px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}
.dashboard-header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 20px; margin-bottom: 32px;
}
.dashboard-title { font-size: 1.6rem; font-weight: 700; }
.generate-btn {
    background: linear-gradient(135deg, var(--warning), #d97706); color: white; border: none;
    padding: 14px 28px; border-radius: var(--radius-md); font-weight: 700; font-size: 1rem;
    cursor: pointer; box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3); transition: all 0.3s ease;
    display: inline-flex; align-items: center; gap: 8px;
}
.generate-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4); }
.generate-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Your Code Section */
.your-code-section {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-lg); padding: 28px; margin-bottom: 28px;
}
.code-section-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 16px; }
.code-display-box {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    background: var(--bg-secondary); padding: 16px 24px; border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.code-value {
    font-size: 1.8rem; letter-spacing: 4px; font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.copy-code-btn {
    background: var(--accent-gradient); color: white;
    border: none; padding: 12px 24px; border-radius: var(--radius-sm);
    font-weight: 700; font-size: 0.95rem; cursor: pointer;
    display: flex; align-items: center; gap: 8px;
    box-shadow: 0 6px 20px var(--accent-glow); transition: all 0.3s ease;
}
.copy-code-btn:hover { transform: translateY(-2px); }
.copy-code-btn.copied { background: linear-gradient(135deg, var(--success), #059669); }
.code-hint { color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; }

/* Usage Statistics */
.usage-section {
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 28px; margin-bottom: 28px;
}
.usage-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }
.total-referrals {
    display: flex; align-items: center; gap: 12px; padding: 16px 24px;
    background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-md); margin-bottom: 20px;
}
.total-label { font-weight: 600; font-size: 1rem; }
.total-count { font-size: 1.8rem; color: var(--warning); font-weight: 800; }
.levels-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.usage-level-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 20px; transition: all 0.3s ease;
}
.usage-level-card:hover { transform: translateY(-4px); border-color: var(--accent-primary); }
.usage-level-card.level-1 { border-color: var(--warning); }
.usage-level-card.level-2 { border-color: var(--accent-primary); }
.usage-level-card.level-3 { border-color: var(--accent-secondary); }
.level-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.level-badge { font-weight: 700; font-size: 0.9rem; }
.level-percent { font-size: 0.8rem; color: var(--text-muted); background: var(--bg-glass); padding: 4px 10px; border-radius: 100px; }
.level-count { text-align: center; }
.count-number { font-size: 2.2rem; font-weight: 800; display: block; line-height: 1; }
.count-label { font-size: 0.85rem; color: var(--text-muted); }
.no-usage-message { text-align: center; padding: 30px; color: var(--text-muted); }
.no-usage-icon { font-size: 3rem; margin-bottom: 12px; }

/* Referral List */
.referral-list { display: grid; gap: 20px; margin-top: 24px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.4rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }

/* Animation Section */
.referral-animation-section {
    background: linear-gradient(145deg, rgba(245, 158, 11, 0.08) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(59, 130, 246, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 60px 40px; margin-top: 40px; position: relative; overflow: hidden;
}
.referral-animation-section::before {
    content: "💰"; position: absolute; top: 20px; right: 30px; font-size: 3rem; opacity: 0.2;
}

/* Chain Demo */
.chain-demo-container {
    position: relative; padding: 50px 20px 30px; margin: 30px 0;
    background: rgba(255, 255, 255, 0.02); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}
.chain-demo-title {
    text-align: center; font-size: 1.3rem; font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--warning), var(--danger));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.chain-demo-subtitle { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 30px; }

/* Total Earnings */
.total-earnings-display {
    position: absolute; top: 15px; right: 20px;
    background: linear-gradient(135deg, var(--success), #059669); color: white;
    padding: 8px 16px; border-radius: var(--radius-sm); font-weight: 700;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    font-size: 1rem; opacity: 0; transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.total-earnings-display.show { opacity: 1; transform: scale(1); }
.total-earnings-display .amount { font-size: 1.3rem; }

/* Chain Network */
.chain-network {
    display: flex; flex-direction: column; align-items: center; gap: 0;
    position: relative; min-height: 400px;
}
.chain-row {
    display: flex; justify-content: center; align-items: flex-start;
    gap: 40px; position: relative; padding: 15px 0;
}
.chain-node {
    display: flex; flex-direction: column; align-items: center;
    opacity: 0; transform: scale(0.3) translateY(20px);
    position: relative; z-index: 2; transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.chain-node.visible { opacity: 1; transform: scale(1) translateY(0); }

.node-avatar {
    width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center;
    font-size: 1rem; font-weight: 700; color: white; position: relative; z-index: 2;
    border: 3px solid rgba(255, 255, 255, 0.2);
}
.node-avatar.you {
    background: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4); font-size: 0.85rem;
}
.node-avatar.level-1 {
    background: linear-gradient(135deg, #6ee7b7, #34d399, #10b981);
    box-shadow: 0 8px 25px rgba(52, 211, 153, 0.3);
}
.node-avatar.level-2 {
    background: linear-gradient(135deg, #93c5fd, #60a5fa, #3b82f6);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}
.node-avatar.level-3 {
    background: linear-gradient(135deg, #c4b5fd, #a78bfa, #8b5cf6);
    box-shadow: 0 8px 25px rgba(139, 92, 250, 0.3);
}
.node-avatar.infinity { font-size: 1.5rem; }
.node-label { margin-top: 10px; font-weight: 700; font-size: 0.85rem; text-align: center; }
.node-percent {
    font-size: 0.75rem; color: var(--text-muted); margin-top: 3px;
    background: var(--bg-secondary); padding: 2px 8px; border-radius: 10px;
}

/* Earning Badges */
.node-earning-badge {
    position: absolute; top: -8px; right: -8px;
    background: linear-gradient(135deg, #22c55e, #16a34a); color: white;
    padding: 4px 10px; border-radius: 100px; font-size: 0.7rem; font-weight: 700;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.5);
    opacity: 0; transform: scale(0) rotate(-10deg); white-space: nowrap;
}
.node-earning-badge.show { animation: badgePopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
@keyframes badgePopIn {
    0% { opacity: 0; transform: scale(0) rotate(-10deg); }
    70% { transform: scale(1.2) rotate(5deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

.pulse-highlight { color: var(--warning) !important; transform: scale(1.2); transition: transform 0.2s ease; }

/* Payment Indicator */
.payment-indicator {
    position: absolute; bottom: -32px; left: 50%; transform: translateX(-50%);
    background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning); padding: 5px 12px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 700; white-space: nowrap;
    opacity: 0;
}
.payment-indicator.pulse { animation: paymentAppear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
@keyframes paymentAppear {
    0% { opacity: 0; transform: translateX(-50%) scale(0.5) translateY(10px); }
    100% { opacity: 1; transform: translateX(-50%) scale(1) translateY(0); }
}

/* Arrows */
.connect-arrow {
    color: var(--warning); font-size: 1.2rem; text-align: center;
    opacity: 0; transition: opacity 0.3s ease; padding: 4px 0;
}
.connect-arrow.show { opacity: 0.5; }

/* Replay Button */
.replay-btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    margin: 25px auto 0; background: var(--accent-gradient);
    color: white; border: none; padding: 12px 24px; border-radius: var(--radius-md);
    font-weight: 700; font-size: 0.95rem; cursor: pointer;
    box-shadow: 0 8px 25px var(--accent-glow); transition: all 0.3s ease;
}
.replay-btn:hover { transform: translateY(-3px); }

/* Step Indicator */
.step-indicator { display: flex; justify-content: center; gap: 8px; margin-bottom: 20px; }
.step-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.1); transition: all 0.3s ease;
}
.step-dot.active { background: var(--warning); transform: scale(1.3); box-shadow: 0 0 10px var(--warning); }
.step-dot.completed { background: var(--success); }

/* Earnings Breakdown */
.earnings-breakdown {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 32px; margin-top: 40px;
}
.earnings-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; text-align: center; }
.earnings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.earning-card {
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 24px; text-align: center; transition: all 0.3s ease;
}
.earning-card:hover { border-color: var(--warning); transform: translateY(-5px); }
.earning-level { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.earning-percent {
    font-size: 2.5rem; font-weight: 800;
    background: linear-gradient(135deg, var(--warning), var(--danger));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.earning-desc { color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; }
.lifetime-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--success), #059669); color: white;
    padding: 12px 24px; border-radius: 100px; font-weight: 700; font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

/* Security Section */
.security-section {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 50px 40px; margin-top: 60px; text-align: center;
}
.security-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 32px; }
.security-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); padding: 24px;
    transition: all 0.3s ease;
}
.security-card:hover { border-color: var(--accent-primary); transform: translateY(-4px); }
.security-icon { font-size: 2.5rem; margin-bottom: 12px; }
.security-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.security-card p { color: var(--text-muted); font-size: 0.85rem; }
.coming-soon-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--accent-gradient); color: white;
    padding: 10px 20px; border-radius: 100px; font-weight: 700; font-size: 0.85rem; margin-top: 24px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(120deg, rgba(245, 158, 11, 0.1), rgba(59, 130, 246, 0.1));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 50px 40px; margin-top: 60px; text-align: center;
}
.cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
footer {
    text-align: center; color: var(--text-muted); margin-top: 50px; font-size: 0.9rem;
    padding: 24px 0; border-top: 1px solid var(--border-color);
}
.footer-links { margin-top: 10px; display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.footer-links a { color: var(--accent-primary); padding: 4px 10px; border-radius: 100px; transition: background 0.2s ease; }
.footer-links a:hover { background: rgba(59, 130, 246, 0.1); }

/* Status Messages */
.status-message { padding: 12px 20px; border-radius: var(--radius-sm); font-weight: 600; margin-top: 16px; display: none; }
.status-message.success { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); color: var(--success); display: block; }
.status-message.error { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); display: block; }

/* Account Dropdown */
.account-dropdown-container { position: relative; }
.account-dropdown-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    border: 1px solid var(--border-color); background: var(--bg-card); color: var(--accent-primary);
    padding: 10px 16px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer;
    transition: all 0.2s ease;
}
.account-dropdown-toggle:hover { transform: translateY(-2px); border-color: var(--accent-primary); }
.account-dropdown {
    position: absolute; top: calc(100% + 10px); right: 0; background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
    padding: 8px; min-width: 200px; display: none; z-index: 20;
}
.account-dropdown.active { display: block; }
.dropdown-item {
    width: 100%; border: none; background: transparent; padding: 10px 12px;
    border-radius: var(--radius-sm); font-weight: 700; color: var(--text-primary); text-align: left;
    cursor: pointer; display: flex; align-items: center; gap: 10px; transition: background 0.2s ease;
}
.dropdown-item:hover { background: rgba(59, 130, 246, 0.1); }
.dropdown-item-danger { color: var(--danger); }

/* Loading Spinner */
.loading-spinner {
    display: inline-block; width: 20px; height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3); border-radius: 50%;
    border-top-color: white; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Mobile Responsive */
@media (max-width: 768px) {
    .page { padding: 0 16px 60px; }
    header { padding: 10px 16px; }
    .brand { font-size: 1rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .referral-dashboard { padding: 24px; }
    .dashboard-header { flex-direction: column; text-align: center; }
    .chain-demo-container { padding: 30px 10px 20px; margin: 15px 0; }
    .chain-demo-title { font-size: 1.1rem; }
    .chain-network { min-height: auto; }
    .chain-row { gap: 12px; padding: 8px 0; }
    .node-avatar { width: 48px; height: 48px; font-size: 0.85rem; border-width: 2px; }
    .node-label { font-size: 0.7rem; margin-top: 6px; }
    .node-percent { font-size: 0.6rem; padding: 1px 5px; }
    .node-earning-badge { padding: 2px 6px; font-size: 0.6rem; top: -5px; right: -5px; }
    .payment-indicator { font-size: 0.6rem; padding: 3px 8px; bottom: -25px; }
    .total-earnings-display { position: relative; top: auto; right: auto; margin: 0 auto 15px; text-align: center; display: block; width: fit-content; }
    .referral-animation-section { padding: 30px 15px; }
    .earnings-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .earning-card { padding: 16px; }
    .earning-percent { font-size: 1.8rem; }
    .security-grid { grid-template-columns: 1fr; gap: 16px; }
    .security-section { padding: 30px 15px; }
    .cta-section { padding: 30px 15px; }
    #row-3 { display: none; }
    #arrow-3 { display: none; }
}
@media (max-width: 480px) {
    .header-actions .cta-button, .header-actions .secondary-button { padding: 8px 14px; font-size: 0.85rem; }
    .generate-btn { width: 100%; justify-content: center; }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .cta-button, .cta-buttons .secondary-button { width: 100%; }
    .earnings-grid { grid-template-columns: 1fr; }
    .node-avatar { width: 40px; height: 40px; font-size: 0.75rem; }
    .chain-row { gap: 8px; }
    .payment-indicator { display: none; }
}