/* Bitmine Landing - CSS */
:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-card-alt: #161616;
    --bg-elevated: #1a1a1a;
    --accent: #C6FF00;
    --accent-dark: #a8d600;
    --text: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border: #1e1e1e;
    --border-light: #2a2a2a;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 15px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Typography */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: 52px; letter-spacing: -1px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
.text-accent { color: var(--accent); }

.section-title {
    text-align: center;
    margin-bottom: 48px;
    font-size: 32px;
}
.section-title-left {
    margin-bottom: 40px;
    font-size: 32px;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: 100px; font-size: 14px; font-weight: 600;
    text-decoration: none; cursor: pointer; border: none; transition: all 0.2s;
}
.btn-accent {
    background: var(--accent); color: #000;
}
.btn-accent:hover { background: var(--accent-dark); }
.btn-sm { padding: 8px 20px; font-size: 13px; }

/* Header */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0;
}
.header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.logo {
    display: flex; align-items: center; gap: 10px;
    text-decoration: none; color: var(--text);
    font-size: 20px; font-weight: 700;
}
.logo-img { height: 28px; width: auto; display: block; }
.nav { display: flex; gap: 32px; }
.nav a {
    color: var(--text-secondary); 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: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.mobile-menu-btn span { width: 20px; height: 2px; background: white; display: block; }

/* Mobile Menu */
.mobile-menu {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg); 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: 16px 24px; border-bottom: 1px solid var(--border);
}
.mobile-menu-close {
    width: 28px; height: 28px; background: none; border: none; cursor: pointer;
    position: relative;
}
.mobile-menu-close span {
    width: 24px; height: 2px; background: white; display: block; position: absolute;
    top: 50%; left: 50%; transform-origin: center;
}
.mobile-menu-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.mobile-menu-close span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }
.mobile-menu-content { padding: 40px 24px; }
.mobile-menu-content nav {
    display: flex; flex-direction: column; gap: 24px; margin-bottom: 40px;
}
.mobile-menu-content nav a {
    color: var(--text-secondary); text-decoration: none; font-size: 16px; font-weight: 500;
}
.mobile-menu-content nav a:hover { color: white; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-top: 64px;
}
.hero-bg {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
}
.hero-grid {
    width: 100%; height: 100%;
    object-fit: cover; opacity: 0.4;
}
.hero-inner {
    position: relative; z-index: 1;
    display: flex; flex-direction: column;
    align-items: center;
    width: 100%;
}
.hero-photo {
    width: 100%;
    max-width: 600px;
    overflow: visible;
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}
.hero-photo img {
    width: 100%; height: auto;
    display: block;
}
.hero-content {
    padding: 0 24px 80px;
    margin-top: -72px;
    position: relative;
    z-index: 2;
}
.hero h1 {
    margin-bottom: 32px;
    text-shadow:
        0 2px 20px rgba(0, 0, 0, 0.9),
        0 4px 40px rgba(0, 0, 0, 0.6);
}
.hero .btn { padding: 14px 36px; font-size: 15px; }

/* Section divider */
.section-divider {
    width: 100%;
    height: 1px;
    background: var(--border);
}

/* Information */
.info-section {
    padding: 100px 0;
}
.info-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.info-icon {
    width: 48px; height: 48px;
    background: var(--bg-card-alt);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.info-icon img { width: 28px; height: 28px; object-fit: contain; }
.info-icon svg { width: 22px; height: 22px; color: #000; }
.info-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.info-card strong { color: var(--text); }
.info-card ul {
    list-style: none; padding: 0; margin-bottom: 12px;
}
.info-card ul li {
    color: var(--text-secondary); font-size: 14px;
    padding-left: 16px; position: relative; margin-bottom: 6px;
}
.info-card ul li::before {
    content: '·'; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}
.info-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(200,255,0,0.08);
    border: 1px solid rgba(200,255,0,0.2);
    color: var(--accent);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 600;
    margin-top: 8px;
}
.info-badge svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--accent); }

/* About */
.about-section { padding: 80px 0; }
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-text p {
    color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 20px;
}
.about-image { text-align: right; }
.about-image img {
    max-width: 100%; height: auto; border-radius: var(--radius);
}

/* Chairman */
.chairman-section { padding: 60px 0 100px; }
.chairman-grid {
    display: grid; grid-template-columns: 280px 1fr; gap: 48px; align-items: center;
}
.chairman-photo {
    width: 280px; height: 280px;
    overflow: hidden; border-radius: var(--radius);
}
.chairman-photo img {
    width: 100%; height: 100%; object-fit: cover;
}
.chairman-tag {
    display: inline-block;
    background: rgba(200,255,0,0.1);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px; font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.chairman-info h3 { font-size: 28px; margin-bottom: 20px; }
.chairman-info p {
    color: var(--text-secondary); font-size: 14px; line-height: 1.8;
}

/* Instruction */
.instruction-section { padding: 100px 0; }
.instruction-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.instruction-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}
.instruction-icon {
    width: 56px; height: 56px;
    background: rgba(200,255,0,0.08);
    border: 1px solid rgba(200,255,0,0.15);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.instruction-icon img { width: 30px; height: 30px; object-fit: contain; }
.instruction-icon svg { width: 26px; height: 26px; color: var(--accent); }
.instruction-card h4 { font-size: 16px; margin-bottom: 10px; }
.instruction-card p { color: var(--text-secondary); font-size: 13px; line-height: 1.6; }

/* Activity */
.activity-section {
    padding: 80px 0;
}
.activity-inner {
    display: grid; grid-template-columns: minmax(260px, 320px) 1fr; gap: 60px; align-items: center;
}
.activity-icon {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}
.activity-eth {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
}
.activity-tag {
    display: inline-block;
    background: rgba(200,255,0,0.1);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px; font-weight: 600;
    margin-bottom: 12px;
}
.activity-content h2 { font-size: 28px; margin-bottom: 8px; }
.activity-sub { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }
.stats-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
}
.stat-value { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.stat-label { color: var(--text-muted); font-size: 13px; }

/* Calculator */
.calculator { padding: 100px 0; }
.calculator-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
}
.calc-label {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px;
}
.calc-label > span { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.calc-label-right { display: flex; align-items: center; gap: 8px; }
.calc-in { color: var(--text-muted); font-size: 13px; }
.currency-toggle { display: flex; gap: 6px; }
.currency-btn {
    width: 36px; height: 36px; border: 1px solid var(--border-light);
    border-radius: var(--radius-sm); cursor: pointer; font-size: 16px;
    transition: all 0.2s; color: white;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
}
.currency-btn.active {
    background: var(--accent); color: #000; border-color: var(--accent);
}
.currency-btn:hover { border-color: var(--accent); }
.currency-icon { font-size: 16px; }

.calc-amount {
    display: flex; align-items: baseline; gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    margin-bottom: 16px;
}
.amount-value { font-size: 36px; font-weight: 700; }
.amount-currency { font-size: 18px; font-weight: 600; color: var(--accent); }

.calc-slider { margin-bottom: 32px; }
.calc-slider input[type="range"] {
    width: 100%; height: 4px; background: var(--border-light);
    border-radius: 2px; appearance: none; cursor: pointer;
}
.calc-slider input::-webkit-slider-thumb {
    appearance: none; width: 18px; height: 18px;
    background: var(--accent); border-radius: 50%; border: none;
    box-shadow: 0 0 8px rgba(200,255,0,0.3);
}
.calc-slider input::-moz-range-thumb {
    width: 18px; height: 18px;
    background: var(--accent); border-radius: 50%; border: none;
}
.slider-labels {
    display: flex; justify-content: space-between; margin-top: 10px;
    font-size: 12px; color: var(--text-muted);
}

.calc-divider {
    height: 1px; background: var(--border); margin: 8px 0;
}

.calc-result-section { padding-top: 8px; }
.result-label { color: var(--text-secondary); font-size: 14px; font-weight: 500; margin-bottom: 16px; }
.result-amount {
    display: flex; align-items: baseline; gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    margin-bottom: 16px;
}
.result-value { font-size: 36px; font-weight: 700; }
.result-currency { font-size: 18px; font-weight: 600; color: var(--accent); }

.result-slider input[type="range"] {
    width: 100%; height: 4px; background: var(--border-light);
    border-radius: 2px; appearance: none; cursor: default;
    pointer-events: none;
}
.result-slider input::-webkit-slider-thumb {
    appearance: none; width: 18px; height: 18px;
    background: #555; border-radius: 50%; border: none;
}

/* Participate */
.participate { padding: 100px 0; }
.participate-notice {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; margin-bottom: 40px;
    background: rgba(200,255,0,0.06);
    border: 1px solid rgba(200,255,0,0.15);
    border-radius: 100px;
    padding: 10px 24px;
    font-size: 14px; font-weight: 500;
    color: var(--accent);
    width: fit-content; margin-left: auto; margin-right: auto;
}
.participate-notice svg { color: var(--accent); flex-shrink: 0; }

.participate-grid {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 24px;
}
.participate-card {
    display: flex; gap: 0; align-items: stretch;
    width: calc(50% - 12px); max-width: 520px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.qr-wrapper {
    background: white; flex-shrink: 0;
    width: 180px; min-height: 180px; padding: 0;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.qr-code {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
}
.qr-code canvas, .qr-code img {
    display: block; width: 160px !important; height: 160px !important;
}
.crypto-icon {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 44px; height: 44px;
    border-radius: 10px;
    overflow: hidden; background: transparent;
}
.crypto-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; }

.participate-right {
    display: flex; flex-direction: column; flex: 1; padding: 20px;
    justify-content: space-between;
}
.participate-info p { font-size: 14px; margin-bottom: 8px; line-height: 1.4; }
.participate-info strong { font-weight: 600; }
.address-text {
    font-size: 12px; color: var(--text-muted); font-family: monospace;
    margin-bottom: 12px; word-break: break-all;
}
.memo-text {
    font-size: 11px; color: var(--text-muted); font-family: monospace;
    margin-bottom: 12px; margin-top: -6px;
}
.participate-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-crypto {
    padding: 8px 18px; border-radius: var(--radius-sm);
    font-size: 12px; font-weight: 600;
    color: white; border: none; cursor: pointer; transition: opacity 0.2s;
}
.btn-crypto:hover { opacity: 0.85; }
.btn-lime {
    background: var(--accent) !important; color: #000 !important;
}
.btn-secondary-sm {
    background: var(--bg-elevated); border: 1px solid var(--border);
    color: white; padding: 8px 14px; border-radius: var(--radius-sm);
    font-size: 12px; font-weight: 500; cursor: pointer; transition: background 0.2s;
}
.btn-secondary-sm:hover { background: var(--bg-card-alt); }

.waiting-status {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-muted); margin-top: 12px;
}
.status-dots { display: flex; gap: 3px; }
.status-dots span {
    width: 5px; height: 5px; background: var(--accent);
    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; width: 100%;
}

/* Copy notification */
.copy-notification {
    position: fixed; bottom: 30px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--accent); color: #000; padding: 12px 24px;
    border-radius: 100px; font-size: 14px; font-weight: 600;
    opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 9999;
    box-shadow: 0 4px 20px rgba(200,255,0,0.3);
}
.copy-notification.show {
    opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}

/* Newsletter */
.newsletter-section {
    padding: 80px 0;
    text-align: center;
}
.newsletter-sub {
    color: var(--text-secondary); font-size: 14px;
    margin-bottom: 28px; max-width: 400px; margin-left: auto; margin-right: auto;
}
.newsletter-form {
    display: flex; gap: 12px; justify-content: center;
    max-width: 440px; margin: 0 auto;
}
.newsletter-form input {
    flex: 1; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 100px; padding: 12px 20px; color: white; font-size: 14px;
    outline: none; transition: border-color 0.2s;
}
.newsletter-form input::placeholder { color: var(--text-muted); }
.newsletter-form input:focus { border-color: var(--accent); }

/* Transactions */
.transactions { padding: 100px 0; }
.transactions-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.table-header {
    display: grid; grid-template-columns: 120px 100px 1fr 1fr 120px;
    gap: 16px; padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 12px; color: var(--text-muted); font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.table-header span {
    background: rgba(200,255,0,0.08);
    color: var(--accent);
    padding: 6px 12px;
    border-radius: 100px;
    text-align: center;
    font-size: 11px;
}
.table-row {
    display: grid; grid-template-columns: 120px 100px 1fr 1fr 120px;
    gap: 16px; padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    font-size: 13px; align-items: center;
}
.table-row:last-child { border-bottom: none; }
.status { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.status.success { color: var(--success); }
.status.incomplete { color: var(--text-muted); }
.table-row > span:nth-child(3),
.table-row > span:nth-child(4) { min-width: 0; }
.hash {
    color: var(--text-muted); font-family: monospace; font-size: 12px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tx-value { color: var(--accent); font-weight: 600; font-size: 13px; }

/* Go to top */
.go-top-wrapper {
    text-align: center; padding: 24px 0;
    border-top: 1px solid var(--border);
}
.go-top {
    color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 500;
    transition: color 0.2s;
}
.go-top:hover { color: var(--accent); }

/* Footer */
.footer {
    padding: 40px 0 24px;
    border-top: 1px solid var(--border);
}
.footer-inner {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 32px;
}
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-right { display: flex; align-items: center; }
.social-links { display: flex; gap: 16px; }
.social-links a {
    color: var(--text-muted); text-decoration: none; font-size: 16px;
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    transition: all 0.2s; position: relative;
}
.social-links a:hover { border-color: var(--accent); }
.social-icon, .social-icon-hover { width: 18px; height: 18px; object-fit: contain; }
.social-icon-hover { position: absolute; opacity: 0; transition: opacity 0.2s; }
.social-links a:hover .social-icon { opacity: 0; }
.social-links a:hover .social-icon-hover { opacity: 1; }
.footer-bottom {
    font-size: 12px; color: var(--text-muted);
    border-top: 1px solid var(--border); padding-top: 20px;
}

/* === RESPONSIVE === */

@media (max-width: 1000px) {
    .nav { display: none; }
    .header .btn-accent { display: none; }
    .mobile-menu-btn { display: flex; }
    h1 { font-size: 38px; }
    h2, .section-title, .section-title-left { font-size: 26px; }

    .info-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-image { text-align: center; }
    .about-image img { max-width: 400px; }

    .chairman-grid { grid-template-columns: 200px 1fr; gap: 32px; }
    .chairman-photo { width: 200px; height: 200px; }

    .instruction-grid { grid-template-columns: repeat(3, 1fr); }

    .activity-inner { grid-template-columns: minmax(200px, 240px) 1fr; gap: 40px; }
    .activity-eth { max-width: 220px; }

    .participate-card { width: calc(50% - 12px); }

    .table-header, .table-row {
        grid-template-columns: 100px 80px 1fr 100px;
    }
    /* Скрываем колонку To (4-й child) на tablet */
    .table-header span:nth-child(4),
    .table-row span:nth-child(4) { display: none; }
}

@media (max-width: 640px) {
    html, body { overflow-x: hidden; }
    .container { padding: 0 16px; }

    h1 { font-size: 28px; letter-spacing: -0.5px; }
    h2, .section-title, .section-title-left { font-size: 22px; margin-bottom: 28px; }

    /* Header mobile */
    .header .container { height: 56px; }

    /* Hero mobile */
    .hero { min-height: auto; padding: 70px 0 0; }
    .hero-photo { max-width: 100%; width: 100%; margin-bottom: 0; }
    .hero-content { padding: 0 20px 50px; margin-top: -44px; }
    .hero h1 { font-size: 26px; margin-bottom: 20px; line-height: 1.3; }
    .hero .btn { padding: 12px 32px; font-size: 14px; }

    /* Information mobile - зелёная левая граница */
    .info-section { padding: 50px 0; }
    .info-grid { grid-template-columns: 1fr; gap: 14px; }
    .info-card {
        padding: 20px;
        border-radius: 0 var(--radius) var(--radius) 0;
        border-left: 3px solid var(--accent);
    }
    .info-icon { width: 40px; height: 40px; margin-bottom: 16px; }
    .info-icon img { width: 24px; height: 24px; }
    .info-card p { font-size: 13px; line-height: 1.6; margin-bottom: 8px; }
    .info-card ul li { font-size: 13px; margin-bottom: 4px; }
    .info-badge { font-size: 12px; padding: 8px 14px; }

    /* About mobile */
    .about-section { padding: 50px 0; }
    .about-grid { gap: 28px; }
    .about-text p { font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
    .about-image { text-align: center; }
    .about-image img { max-width: 260px; border-radius: var(--radius); }

    /* Chairman mobile */
    .chairman-section { padding: 30px 0 50px; }
    .chairman-grid { grid-template-columns: 1fr; gap: 20px; text-align: center; }
    .chairman-photo { width: 240px; height: auto; margin: 0 auto; border-radius: var(--radius); }
    .chairman-photo img { height: auto; }
    .chairman-tag { margin-bottom: 12px; }
    .chairman-info h3 { font-size: 22px; margin-bottom: 16px; }
    .chairman-info p { font-size: 13px; line-height: 1.7; text-align: left; }

    /* Instruction mobile - горизонтальные карточки */
    .instruction-section { padding: 50px 0; }
    .instruction-grid { grid-template-columns: 1fr; gap: 14px; }
    .instruction-card {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        gap: 16px;
        text-align: left;
        padding: 20px;
    }
    .instruction-icon {
        margin: 0;
        flex-shrink: 0;
        width: 48px; height: 48px;
    }
    .instruction-icon img { width: 26px; height: 26px; }
    .instruction-card h4 { font-size: 15px; margin-bottom: 6px; }
    .instruction-card p { font-size: 12px; line-height: 1.5; }

    /* Activity mobile */
    .activity-section { padding: 50px 0; }
    .activity-inner {
        grid-template-columns: 1fr;
        gap: 28px;
        text-align: center;
    }
    .activity-eth { max-width: 160px; margin: 0 auto; }
    .activity-tag { font-size: 11px; }
    .activity-content h2 { font-size: 22px; }
    .activity-sub { font-size: 13px; margin-bottom: 24px; }
    .stats-grid { gap: 20px; }
    .stat-value { font-size: 22px; }
    .stat-label { font-size: 12px; }

    /* Calculator mobile */
    .calculator { padding: 50px 0; }
    .calculator-box { padding: 20px; }
    .calc-label { font-size: 13px; }
    .calc-in { font-size: 12px; }
    .calc-amount { padding: 12px 16px; }
    .amount-value { font-size: 32px; }
    .amount-currency { font-size: 18px; }
    .result-amount { padding: 12px 16px; }
    .result-value { font-size: 32px; }
    .result-currency { font-size: 18px; }
    .slider-labels { font-size: 11px; }
    .currency-btn { width: 32px; height: 32px; }
    .currency-icon { font-size: 14px; }

    /* Participate mobile - карточки вертикально, QR по центру */
    .participate { padding: 50px 0; }
    .participate-notice { font-size: 12px; padding: 8px 18px; margin-bottom: 28px; }
    .participate-grid { gap: 20px; }
    .participate-card {
        width: 100%;
        flex-direction: column;
        align-items: center;
    }
    .qr-wrapper {
        width: 200px; height: 200px;
        border-radius: var(--radius);
    }
    .qr-code canvas, .qr-code img { width: 180px !important; height: 180px !important; }
    .participate-right {
        padding: 16px 0 0;
        text-align: center;
        width: 100%;
    }
    .participate-info { text-align: center; }
    .participate-info p { font-size: 15px; }
    .address-text { font-size: 12px; }
    .participate-buttons { justify-content: center; }
    .btn-crypto { padding: 10px 24px; font-size: 13px; border-radius: var(--radius-sm); }
    .waiting-status { justify-content: center; font-size: 13px; }

    /* Newsletter mobile */
    .newsletter-section { padding: 50px 0; }
    .newsletter-sub { font-size: 13px; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input { width: 100%; }
    .newsletter-form .btn { width: 100%; }

    /* Transactions mobile */
    .transactions { padding: 50px 0; }
    .table-header, .table-row {
        grid-template-columns: 90px 70px 90px;
        font-size: 11px; padding: 10px 14px; gap: 10px;
    }
    .table-header span { padding: 4px 8px; font-size: 9px; }
    .hide-mobile { display: none !important; }
    .tx-value { font-size: 12px; }

    /* Footer mobile */
    .footer { padding: 28px 0 16px; }
    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .footer-left { gap: 12px; }
    .logo-img { height: 24px; }
    .footer-left .btn-sm { padding: 6px 14px; font-size: 11px; }
    .social-icon, .social-icon-hover { width: 16px; height: 16px; }
    .social-links a { width: 32px; height: 32px; }
    .social-links { gap: 10px; }
    .footer-bottom { font-size: 11px; }
}