@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --bitcoin-orange: #f7931a;
    --orange-dark: #e6850e;
    --blue-primary: #0066cc;
    --blue-dark: #004499;
    --bg-cream: #faf9f6;
    --bg-white: #ffffff;
    --text-black: #000000;
    --text-gray: #333333;
    --grid-blue: #0066cc;
    --border-blue: #0066cc;
}

html {
    overflow-x: hidden;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-cream);
    color: var(--text-black);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.blueprint-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-blue) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-blue) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 30px;
    position: relative;
    z-index: 1;
    width: 100%;
    box-sizing: border-box;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 3px solid var(--bitcoin-orange);
    position: relative;
}

.main-header::before {
    content: '********************************************************************************';
    position: absolute;
    top: -20px;
    left: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--blue-primary);
    letter-spacing: 3px;
    opacity: 0.4;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    max-width: 80px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-black);
    line-height: 1.1;
    letter-spacing: -1px;
}

h1#meetup-name {
    text-transform: none;
}

.header-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.doc-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--blue-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.doc-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--text-black);
    font-weight: 600;
}

/* Sections */
section {
    margin-bottom: 80px;
    position: relative;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--blue-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    position: absolute;
    left: -40px;
    top: 0;
    opacity: 0.6;
}

/* Intro Section */
.intro-section {
    margin-bottom: 60px;
}

.content-box {
    background: var(--bg-white);
    border: 2px solid var(--border-blue);
    padding: 30px;
    position: relative;
    box-shadow: 4px 4px 0 var(--blue-primary);
}

.content-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 1px solid var(--blue-primary);
    opacity: 0.3;
}

.intro-section p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-black);
}

/* Connections Section */
.connection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.connection-card {
    background: var(--bg-white);
    border: 2px solid var(--border-blue);
    padding: 25px;
    position: relative;
    transform: rotate(-0.5deg);
    transition: transform 0.3s ease;
    box-shadow: 6px 6px 0 rgba(0, 102, 204, 0.2);
}

.connection-card.card-2 {
    transform: rotate(0.5deg);
}

.connection-card:hover {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 8px 8px 0 rgba(0, 102, 204, 0.3);
}

.card-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bitcoin-orange);
}

.card-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--blue-primary);
    font-weight: 600;
}

.connection-card h2 {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-black);
    margin: 0;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-subtitle {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bitcoin-orange);
    color: var(--bg-white);
    text-decoration: none;
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-btn:hover {
    background: var(--orange-dark);
    transform: translateX(4px);
}

.action-btn.full-width {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
}

/* Services Section */
.services-header {
    margin-bottom: 40px;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.services-subtitle {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.status-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-blue);
}

.status-text {
    font-size: 12px;
    color: var(--text-gray);
    opacity: 0.7;
    margin-bottom: 12px;
    line-height: 1.6;
}

.status-btn {
    display: inline-block;
    padding: 6px 12px;
    background: transparent;
    color: var(--blue-primary);
    text-decoration: none;
    border: 1px solid var(--blue-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
}

.status-btn:hover {
    background: var(--blue-primary);
    color: var(--bg-white);
    transform: translateY(-1px);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.service-card {
    background: var(--bg-white);
    border: 2px solid var(--border-blue);
    padding: 20px;
    position: relative;
    transform: rotate(0.3deg);
    transition: transform 0.3s ease;
}

.service-card:nth-child(2) {
    transform: rotate(-0.3deg);
}

.service-card:nth-child(3) {
    transform: rotate(0.2deg);
}

.service-card:hover {
    transform: rotate(0deg) translateY(-3px);
    box-shadow: 4px 4px 0 rgba(0, 102, 204, 0.2);
}

.service-header {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bitcoin-orange);
}

.service-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    color: var(--blue-primary);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    line-height: 1.3;
}

.service-data {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.data-input {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-cream);
    border: 1px solid var(--border-blue);
    color: var(--text-black);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
}

.data-input:focus {
    outline: 2px solid var(--bitcoin-orange);
    outline-offset: 1px;
}

.copy-btn {
    width: 100%;
    padding: 8px 12px;
    background: var(--blue-primary);
    color: var(--bg-white);
    border: 2px solid var(--blue-primary);
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
}

.copy-btn:active {
    transform: scale(0.98);
}

/* Donation Section */
.donation-container {
    background: var(--bg-white);
    border: 3px solid var(--bitcoin-orange);
    padding: 40px;
    position: relative;
    box-shadow: 8px 8px 0 rgba(247, 147, 26, 0.2);
}

.donation-container::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 1px solid var(--blue-primary);
    opacity: 0.3;
}

.donation-subtitle {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.donation-display {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.address-display {
    flex: 1;
    min-width: 300px;
    max-width: 100%;
    background: var(--bg-cream);
    border: 2px solid var(--border-blue);
    padding: 25px;
    transition: all 0.2s ease;
    position: relative;
    box-sizing: border-box;
}

.address-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--blue-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.address-value-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.address-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-black);
    word-break: break-all;
    line-height: 1.4;
    display: block;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

.bitcoin-address-start,
.bitcoin-address-end {
    color: #000000;
}

.bitcoin-address-middle {
    color: #666666;
}

.copy-icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    pointer-events: auto;
    vertical-align: middle;
    flex-shrink: 0;
}

.copy-icon {
    width: 20px;
    height: 20px;
    color: var(--blue-primary);
    transition: all 0.2s ease;
    display: inline-block;
}

.copy-icon-container:hover .copy-icon {
    color: var(--bitcoin-orange);
    transform: scale(1.1);
}

.copy-icon-container.copied .copy-icon {
    color: var(--bitcoin-orange);
    animation: copyPulse 0.3s ease;
}

@keyframes copyPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.qr-display {
    background: var(--bg-white);
    border: 2px solid var(--border-blue);
    padding: 20px;
    box-shadow: 4px 4px 0 rgba(0, 102, 204, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    gap: 15px;
}

.qr-display canvas,
.qr-display img {
    display: block;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.qr-label {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: var(--text-gray);
    text-align: center;
    line-height: 1.5;
    max-width: 200px;
}

/* Signet Section */
.signet-warning {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 2px solid #f39c12;
    border-left: 5px solid #e74c3c;
    padding: 18px 22px;
    margin-bottom: 30px;
    position: relative;
    box-shadow: 3px 3px 0 rgba(243, 156, 18, 0.3);
}

.signet-warning::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -5px;
    right: -2px;
    bottom: -2px;
    border: 1px solid #e74c3c;
    opacity: 0.3;
}

.warning-icon {
    font-size: 24px;
    line-height: 1;
    flex-shrink: 0;
}

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

.warning-content strong {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: #c0392b;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.warning-content span {
    font-size: 13px;
    color: #7f4f24;
    line-height: 1.5;
}

.signet-grid {
    grid-template-columns: repeat(2, 1fr);
}

/* Footer */
.main-footer {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 2px solid var(--bitcoin-orange);
}

.footer-line {
    height: 1px;
    background: repeating-linear-gradient(
        to right,
        var(--blue-primary) 0px,
        var(--blue-primary) 10px,
        transparent 10px,
        transparent 20px
    );
    margin-bottom: 30px;
}

.footer-logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.footer-text {
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 968px) {
    .section-label {
        display: none;
    }
    
    .connection-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .signet-grid {
        grid-template-columns: 1fr;
    }
    
    .donation-display {
        flex-direction: column;
    }
    
    .donation-display > div {
        width: 100%;
        flex-basis: 100%;
    }
    
    .bitcoin-donation-group {
        flex-direction: column !important;
        width: 100% !important;
    }
    
    .address-display {
        min-width: 100%;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .main-header {
        flex-direction: column;
        gap: 20px;
    }
    
    .header-meta {
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 20px 15px;
        width: 100%;
        max-width: 100vw;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .logo {
        max-width: 60px;
    }
    
    .donation-container {
        padding: 25px 20px;
    }
    
    .address-display {
        min-width: 0;
        width: 100%;
    }
    
    .address-value-wrapper {
        width: 100%;
        max-width: 100%;
    }
    
    .address-value {
        word-break: break-word;
        overflow-wrap: break-word;
        display: block !important;
    }
    
    .donation-display > div {
        width: 100% !important;
        flex-basis: 100% !important;
    }
    
    .bitcoin-donation-group {
        flex-direction: column !important;
        gap: 20px !important;
    }
}