/* NVIDIA Landing - CSS */
:root {
    --bg-dark: #121212;
    --bg: #1a1a1a;
    --bg-card: #1e1e1e;
    --bg-card-alt: #252525;
    --primary: #76B900;
    --primary-dark: #5E9400;
    --text: #ffffff;
    --text-muted: #9a9a9a;
    --text-dim: #666666;
    --border: #2a2a2a;
    --success: #22c55e;
    --warning: #f59e0b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    font-size: 14px;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Typography */
h1, h2, h3 { font-weight: 700; line-height: 1.2; }
h1 { font-size: 48px; }
h2 { font-size: 28px; margin-bottom: 40px; }
h3 { font-size: 18px; margin-bottom: 12px; }
.text-primary { color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px; border-radius: 0; font-size: 14px; font-weight: 600;
    text-decoration: none; cursor: pointer; border: none; transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-white { background: white; color: #121212; }
.btn-white:hover { background: #f0f0f0; }
.btn-outline { 
    background: transparent; color: white; 
    border: 1.5px solid rgba(255,255,255,0.4);
    padding: 14px 32px;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-sm { padding: 10px 18px; font-size: 12px; }

/* Top Banner */
.top-banner {
    background: #151515; color: white; padding: 12px 40px;
    text-align: center; font-size: 14px; position: relative;
}
.top-banner a { color: white; text-decoration: underline; }
.banner-close {
    position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: rgba(255,255,255,0.8); font-size: 22px; cursor: pointer;
    width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
}
.banner-close:hover { color: white; }

/* Header */
.header {
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    padding: 20px 0;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
    font-size: 22px; font-weight: 700; color: var(--primary); text-decoration: none;
    display: flex; align-items: center;
}
.logo-img {
    height: 32px;
    width: auto;
}
.logo sup { 
    font-size: 10px; color: var(--primary); font-weight: 700;
    margin-left: 2px; margin-top: 0;
}
.nav { display: flex; gap: 36px; }
.nav a { color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: white; }
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 6px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.mobile-menu-btn span { width: 20px; height: 2px; background: white; display: block; }
.mobile-menu {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-dark); z-index: 1000; display: none;
}
.mobile-menu.active { display: flex; flex-direction: column; }
.mobile-menu-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px;
}
.mobile-menu-header .logo { font-size: 24px; }
.mobile-menu-close {
    width: 24px; height: 24px; background: none; border: none; cursor: pointer;
    position: relative; display: flex; flex-direction: column; justify-content: center; gap: 0;
}
.mobile-menu-close span {
    width: 24px; height: 2px; background: white; display: block; position: absolute;
}
.mobile-menu-close span:first-child { transform: rotate(45deg); }
.mobile-menu-close span:last-child { transform: rotate(-45deg); }
.mobile-menu-content { padding: 40px 24px; }
.mobile-menu-title {
    font-size: 12px; color: var(--text-muted); font-weight: 600;
    letter-spacing: 1px; margin-bottom: 24px;
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.mobile-menu nav a { color: var(--text-muted); text-decoration: none; font-size: 15px; font-weight: 500; letter-spacing: 0.5px; }
.mobile-menu nav a:hover { color: white; }

/* Hero */
.hero {
    min-height: 100vh; 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    justify-content: center;
    text-align: center; 
    padding: 0;
    position: relative; 
    background: var(--bg-dark);
}

.hero-image {
    width: 100%;
    margin-bottom: 32px;
}
.hero-image img { 
    width: 100%;
    height: auto;
    display: block;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 20px 80px;
}

.hero-subtitle { 
    color: var(--text-muted); 
    margin: 24px 0 32px; 
    font-size: 15px; 
    line-height: 1.7;
    padding: 0 20px;
}

.scroll-indicator {
    margin-top: 50px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(8px); }
    60% { transform: translateY(4px); }
}

/* Section */
.section-label {
    display: block; color: var(--primary); font-size: 18px; font-weight: 600;
    letter-spacing: 0.5px; margin-bottom: 0;
}

/* Rules */
.rules { 
    padding: 100px 0; 
    position: relative;
}

/* Main Content with BTC Background */
.main-content {
    position: relative;
}
.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('btcback.png');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}
.main-content > section {
    position: relative;
    z-index: 1;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}
.section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.rules h2 {
    margin-bottom: 60px;
}

.rules-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 60px 80px; 
}
.rule-card {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}
.rule-number-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}
.rule-number {
    background: var(--primary); 
    color: white; 
    width: 56px; 
    height: 56px;
    border-radius: 8px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 18px; 
    font-weight: 700;
}
.rule-line {
    width: 2px;
    height: 120px;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary) 30%, transparent 100%);
    margin-top: 0;
    border-radius: 0 0 1px 1px;
}
.rule-content {
    flex: 1;
}
.rule-tag { 
    display: block;
    color: var(--primary); 
    font-size: 14px; 
    font-weight: 600; 
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.rule-card h3 { 
    font-size: 24px; 
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}
.rule-card p { 
    color: var(--text-muted); 
    font-size: 14px; 
    line-height: 1.8; 
}

/* Partners */
.partners { padding: 80px 0; overflow: hidden; }
.partners-carousel {
    width: 100%;
    overflow: hidden;
    margin-top: 80px;
}
.partners-track {
    display: flex;
    align-items: center;
    gap: 80px;
    animation: scroll-left 25s linear infinite;
    width: max-content;
}
.partners-track-right {
    display: none;
}
.partners-track img {
    height: 40px;
    width: auto;
    min-width: 60px;
    max-width: 160px;
    object-fit: contain;
    object-position: center;
    opacity: 0.8;
    transition: opacity 0.2s;
    flex-shrink: 0;
}
.partners-track img:hover { opacity: 1; }

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-25%); }
}
@keyframes scroll-right {
    0% { transform: translateX(-25%); }
    100% { transform: translateX(0); }
}

/* Calculator */
.calculator { padding: 100px 0; }
.calculator h2 { margin-bottom: 50px; }
.calculator-box { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    position: relative;
}
.calculator-box::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -50vw;
    right: 50%;
    background: #262626;
    z-index: 0;
}
.calculator-box::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    right: -50vw;
    background: #FF6D38;
    z-index: 0;
}
.calc-input {
    position: relative;
    z-index: 1;
    padding: 40px;
    padding-left: 0;
}
.calc-label {
    display: flex; align-items: center; gap: 16px;
    color: var(--text-muted); font-size: 14px; margin-bottom: 24px;
}
.currency-toggle { display: flex; gap: 8px; }
.currency-btn {
    width: 40px; height: 40px; border: none;
    border-radius: 6px; cursor: pointer; font-size: 18px;
    transition: all 0.2s; color: white;
    display: flex; align-items: center; justify-content: center;
    background: #444;
}
.currency-btn.active { background: var(--btn-color, var(--primary)); }
.currency-btn:hover { opacity: 0.8; }
.currency-icon { font-size: 18px; }
.calc-amount { 
    display: inline-flex; 
    align-items: baseline;
    background: #333;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 24px; 
}
.amount-value { font-size: 48px; font-weight: 700; color: white; }
.amount-currency { font-size: 24px; font-weight: 600; color: var(--primary); margin-left: 12px; }
.calc-presets { display: flex; gap: 16px; margin-bottom: 28px; }
.preset-link {
    color: var(--text-muted); font-size: 14px; cursor: pointer; 
    text-decoration: underline; transition: color 0.2s;
}
.preset-link:hover { color: white; }
.preset-link.active { color: white; text-decoration: none; }
.calc-slider { margin-bottom: 16px; }
.calc-slider input[type="range"] {
    width: 100%; height: 2px; background: #444;
    border-radius: 0; appearance: none; cursor: pointer;
}
.calc-slider input::-webkit-slider-thumb {
    appearance: none; width: 12px; height: 12px; background: #666; 
    border-radius: 0; border: none;
}
.slider-labels {
    display: flex; justify-content: space-between; margin-top: 16px;
    font-size: 13px; color: var(--text-muted);
}
.calc-result {
    position: relative;
    z-index: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    transition: background-color 0.3s;
}
.calc-result::before {
    content: '';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.3;
    pointer-events: none;
}
.calc-result.crypto-btc { background: #76B900; }
.calc-result.crypto-btc::before { background-image: url('btc-bg.png'); }
.calc-result.crypto-eth { background: #627EEA; }
.calc-result.crypto-eth::before { background-image: url('eth-bg.png'); }
.calc-result.crypto-usdt { background: #26A17B; }
.calc-result.crypto-usdt::before { background-image: url('btc-bg.png'); opacity: 0.15; }
.calc-result.crypto-doge { background: #C3A634; }
.calc-result.crypto-ltc { background: #345D9D; }
.calc-result.crypto-sol { background: #9945FF; }
.calc-result.crypto-xrp { background: #23292F; }
.calc-result.crypto-trx { background: #FF0013; }
.calc-result.crypto-bnb { background: #F3BA2F; }
.calc-result.crypto-ada { background: #0033AD; }
.calc-result.crypto-matic { background: #8247E5; }
.calc-result.crypto-dot { background: #E6007A; }
.calc-result.crypto-avax { background: #E84142; }
.calc-result.crypto-ton { background: #0088CC; }
.result-label { 
    color: white; font-size: 16px; font-weight: 500; 
    margin-bottom: 30px;
}
.result-amount { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.result-value { font-size: 56px; font-weight: 700; color: white; }
.result-currency { font-size: 24px; font-weight: 600; color: white; }
.bonus-badge {
    background: rgba(255,255,255,0.25); color: white; padding: 6px 14px;
    border-radius: 6px; font-size: 13px; font-weight: 600;
}
.result-usd { font-size: 32px; font-weight: 600; color: white; margin-bottom: 30px; }
.result-rate {
    font-size: 14px; color: rgba(255,255,255,0.7);
}

/* Participate */
.participate { padding: 100px 0; }
.participate h2 { margin-bottom: 50px; }
.participate-grid { 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 30px; 
}
.participate-card {
    display: flex; 
    gap: 0;
    align-items: flex-start;
    width: calc(50% - 15px);
    max-width: 500px;
    box-sizing: border-box;
}
.qr-wrapper {
    background: white; border-radius: 0; flex-shrink: 0;
    position: relative; width: 180px; height: 180px; padding: 0;
    overflow: hidden;
    border: 2px solid #666666;
}
.qr-code { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.qr-code canvas, .qr-code img { display: block; width: 180px !important; height: 180px !important; }
.crypto-icon {
    position: absolute; 
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 52px; height: 52px;
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    overflow: hidden;
    background: transparent;
    border: none;
}
.crypto-icon img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 12px;
}
.participate-right {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding-left: 0;
}
.participate-info { 
    padding: 14px 18px;
    border: 2px solid #666666;
    border-radius: 0;
    margin-left: -2px;
    height: 145px;
    box-sizing: border-box;
    background: #262626;
}
.participate-info p { font-size: 15px; margin-bottom: 8px; line-height: 1.3; }
.participate-info strong { font-weight: 600; }
.address-text {
    font-size: 12px; color: var(--text-muted); font-family: monospace;
    margin-bottom: 10px; word-break: break-all;
}
.memo-text {
    font-size: 12px; color: var(--text-dim); font-family: monospace;
    margin-bottom: 12px; margin-top: -8px;
}
.participate-buttons {
    display: flex; gap: 10px; flex-wrap: wrap;
}
.btn-crypto {
    padding: 8px 20px; border-radius: 0; font-size: 13px; font-weight: 600;
    color: white; border: none; cursor: pointer; transition: opacity 0.2s;
}
.btn-crypto:hover { opacity: 0.9; }
.btn-secondary {
    background: #3a3a3a; border: none; color: white;
    padding: 10px 16px; border-radius: 0; font-size: 13px; font-weight: 500;
    cursor: pointer; transition: background 0.2s;
}
.btn-secondary:hover { background: #4a4a4a; }
.waiting-status {
    display: flex; align-items: center; gap: 10px;
    font-size: 15px; color: var(--text-muted);
    padding: 10px 0 0 20px;
}
.status-dots {
    display: flex; gap: 4px;
}
.status-dots span {
    width: 6px; height: 6px; background: #f7931a;
    border-radius: 50%; animation: dotPulse 1.4s infinite ease-in-out;
}
.status-dots span:nth-child(1) { animation-delay: 0s; }
.status-dots span:nth-child(2) { animation-delay: 0.2s; }
.status-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1); }
}
.no-wallets {
    text-align: center; padding: 60px 20px; color: var(--text-muted);
    font-size: 16px; grid-column: 1 / -1;
}
/* Copy notification */
.copy-notification {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: #22c55e; color: white; padding: 12px 24px; border-radius: 8px;
    font-size: 14px; font-weight: 500; opacity: 0; visibility: hidden;
    transition: all 0.3s ease; z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.copy-notification.show {
    opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}

/* Quote */
.quote-section { padding: 80px 0; background: #262626; }
.quote-section .container { max-width: 1000px; }
.quote-box {
    display: flex; align-items: center; gap: 40px;
    padding: 0;
}
.quote-nav {
    width: 48px; height: 48px; background: var(--primary);
    border: none; border-radius: 8px; color: white;
    font-size: 24px; cursor: pointer; flex-shrink: 0;
    transition: background 0.2s; display: flex;
    align-items: center; justify-content: center;
}
.quote-nav:hover { background: var(--primary-dark); }
.quote-slides {
    flex: 1;
}
.quote-slide {
    display: none;
    text-align: left;
    border-left: 3px solid var(--primary);
    padding-left: 24px;
    margin: 0;
    animation: quoteFadeIn 0.4s ease;
}
.quote-slide.active {
    display: block;
}
@keyframes quoteFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.quote-slide p { font-size: 18px; font-style: italic; line-height: 1.8; margin-bottom: 16px; color: var(--text); }
.quote-slide cite { font-size: 14px; color: var(--text-muted); font-style: normal; display: block; }
.quote-dots { display: flex; justify-content: center; gap: 12px; margin-top: 40px; }
.dot { width: 32px; height: 3px; background: var(--text-muted); border-radius: 2px; transition: background 0.2s; cursor: pointer; }
.dot.active { background: var(--text); }

/* Footer */
.footer { padding: 70px 0 28px; background: var(--bg-dark); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto; gap: 70px; align-items: start; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: white; }
.footer-newsletter p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; max-width: 300px; }
.newsletter-form { display: flex; gap: 10px; }
.newsletter-form input {
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 6px; padding: 12px 16px; color: white; font-size: 14px; width: 200px;
}
.newsletter-form input::placeholder { color: var(--text-dim); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--border);
    font-size: 12px; color: var(--text-dim);
}
.social-links { display: flex; gap: 20px; }
.social-links a { color: var(--text-muted); text-decoration: none; font-size: 18px; transition: color 0.2s; }
.social-links a:hover { color: white; }

/* Responsive: 1000px */
@media (max-width: 1000px) {
    .top-banner { padding: 10px 16px; font-size: 13px; }
    .top-banner .banner-close { right: 10px; }
    .nav { display: none; }
    .header .btn-primary, .header .btn-white { display: none; }
    .mobile-menu-btn { display: flex; }
    
    h1 { font-size: 36px; }
    h2 { font-size: 24px; }
    
    .hero { padding-top: 40px; }
    .hero-image img { max-width: 100%; }
    
    .rules-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 50px; }
    
    .calculator-box { grid-template-columns: 1fr; }
    .calculator-box::before {
        top: 0;
        bottom: 50%;
        left: -50vw;
        right: -50vw;
    }
    .calculator-box::after {
        top: 50%;
        bottom: 0;
        left: -50vw;
        right: -50vw;
    }
    .calc-input { padding-left: 0; }
    
    .participate-card { width: calc(50% - 15px); max-width: 100%; }
    
    .quote-box { gap: 24px; }
    .quote-nav { width: 40px; height: 40px; font-size: 20px; }
    
    .table-header, .table-row {
        grid-template-columns: 100px 80px 90px 1fr;
    }
    .hide-mobile:last-child { display: none; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .footer-newsletter { grid-column: 1 / -1; }
}

/* Responsive: 600px */
@media (max-width: 600px) {
    html, body { overflow-x: hidden; }
    .container { padding: 0 20px; }
    
    .top-banner { display: none; }
    
    h1 { font-size: 26px; line-height: 1.3; }
    h2 { font-size: 22px; margin-bottom: 32px; }
    h3 { font-size: 16px; }
    
    .header { position: relative; background: transparent; }
    .header .container { 
        padding: 12px 20px; 
        justify-content: center;
    }
    .header .logo {
        margin: 0 auto;
    }
    .header .mobile-menu-btn {
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .hero { 
        min-height: auto; 
        padding: 0 20px 50px;
        padding-top: 0;
        display: flex;
        flex-direction: column;
    }
    .hero-image { 
        width: 100vw;
        margin-left: -20px;
        margin-bottom: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        min-height: 300px;
    }
    .hero-image img { 
        width: 110%; 
        max-width: none;
        height: auto;
        margin: 0;
    }
    .hero-content { padding: 0 0 30px; }
    .hero-subtitle { font-size: 14px; line-height: 1.6; padding: 0; margin: 20px 0 28px; }
    .hero-subtitle br { display: none; }
    .scroll-indicator { display: none; }
    
    .rules { padding: 70px 0; }
    .rules h2 { margin-bottom: 40px; }
    .rules-grid { grid-template-columns: 1fr; gap: 40px; }
    .rule-card { gap: 16px; }
    .rule-number { width: 42px; height: 42px; font-size: 13px; }
    .rule-card h3 { font-size: 18px; margin-bottom: 12px; }
    
    .partners { padding: 50px 0; }
    .partners-carousel { 
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .partners-track { 
        gap: 50px;
        animation-duration: 18s;
    }
    .partners-track-right { 
        display: flex;
        animation: scroll-right 18s linear infinite;
    }
    .partners-track img { height: 28px; }
    
    .calculator { padding: 70px 0; overflow: hidden; }
    .calculator .container { padding: 0; }
    .calculator h2 { padding: 0 20px; }
    .calculator-box { 
        grid-template-columns: 1fr;
    }
    .calculator-box::before {
        top: 0 !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: #262626 !important;
    }
    .calculator-box::after {
        display: none;
    }
    .calc-input { 
        padding: 30px 20px; 
        background: #262626;
    }
    .calc-result { padding: 30px 20px; }
    .amount-value, .result-value { font-size: 48px; }
    .amount-currency { font-size: 28px; }
    .result-currency { font-size: 28px; }
    .result-usd { font-size: 26px; }
    .result-rate { font-size: 16px; }
    .calc-label { font-size: 16px; }
    .calc-presets { gap: 10px; flex-wrap: wrap; }
    .preset-btn, .preset-link { padding: 10px 14px; font-size: 14px; }
    .slider-labels { font-size: 14px; }
    
    .participate { padding: 70px 0; }
    .participate-card { 
        width: 100%;
        max-width: 100%;
        flex-direction: column;
        align-items: flex-start;
        border: 1px solid #666666;
        border-radius: 0;
        padding: 20px;
    }
    .participate-right {
        flex-direction: column;
    }
    .qr-wrapper { 
        width: 180px; 
        height: 180px; 
        border-radius: 0;
        margin-bottom: 20px;
        border: none;
    }
    .qr-code canvas, .qr-code img { width: 180px !important; height: 180px !important; }
    .crypto-icon { width: 50px; height: 50px; font-size: 22px; }
    .participate-info { 
        padding: 0; 
        height: auto;
        border: none;
        background: transparent;
        margin-left: 0;
    }
    .participate-info p { font-size: 18px; margin-bottom: 12px; }
    .address-text { font-size: 13px; margin-bottom: 14px; }
    .btn-crypto { padding: 12px 24px; font-size: 14px; border-radius: 0; }
    .waiting-status { padding: 16px 0 0 0; font-size: 14px; }
    
    .quote-section { padding: 50px 0; }
    .quote-box { gap: 20px; }
    .quote-nav { display: none; }
    .quote-slide p { font-size: 15px; line-height: 1.7; }
    .quote-slide { padding-left: 16px; }
    .quote-slide cite { font-size: 13px; }
    
    .table-header, .table-row {
        grid-template-columns: 90px 70px 80px;
        font-size: 11px;
        padding: 14px 16px;
    }
    .table-header span:nth-child(4),
    .table-row span:nth-child(4),
    .table-header span:nth-child(5),
    .table-row span:nth-child(5) { display: none; }
    
    .footer { padding: 50px 0 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { flex-direction: row; flex-wrap: wrap; gap: 18px; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input { width: 100%; }
    .footer-bottom { flex-direction: column; gap: 18px; text-align: center; }
}