:root {
    color-scheme: dark;

    --background: #071018;
    --background-alt: #0a1520;
    --panel: #0f1e2a;
    --panel-light: #142735;

    --text: #f4f8fa;
    --muted: #9eb0bd;
    --border: rgba(255, 255, 255, 0.1);

    --accent: #d4af37;
    --accent-dark: #a67c00;
    --danger: #ff6978;

    --maximum-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    color: var(--text);
    background: var(--background);

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

code {
    font-family:
        "JetBrains Mono",
        "SFMono-Regular",
        Consolas,
        monospace;
}

.container {
    width: min(
        calc(100% - 40px),
        var(--maximum-width)
    );

    margin-inline: auto;
}

.site-header {
    position: sticky;
    z-index: 30;
    top: 0;

    border-bottom: 1px solid var(--border);
    background: rgba(7, 16, 24, 0.9);

    backdrop-filter: blur(14px);
}

.header-layout {
    min-height: 82px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    gap: 11px;
    align-items: center;

    font-size: 20px;
    font-weight: 850;
    letter-spacing: -0.03em;
}

.brand-symbol {
    width: 36px;
    height: 36px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: 9px;

    color: #03140c;
    background: var(--accent);

    font-size: 13px;
    font-weight: 900;
}

nav {
    display: flex;
    gap: 27px;

    color: var(--muted);
    font-size: 14px;
}

nav a:hover {
    color: var(--text);
}

.hero {
    padding: 105px 0 85px;

    background:
        radial-gradient(
            circle at 78% 15%,
            rgba(212, 175, 55, 0.16),
            transparent 34%
        ),
        radial-gradient(
            circle at 8% 80%,
            rgba(52, 133, 255, 0.09),
            transparent 28%
        );
}

.hero-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 1.2fr)
        minmax(370px, 0.8fr);

    gap: 70px;
    align-items: center;
}

.eyebrow,
.panel-label {
    margin: 0 0 12px;

    color: var(--accent);

    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 720px;
    margin-bottom: 25px;

    font-size: clamp(52px, 7vw, 84px);
    line-height: 0.96;
    letter-spacing: -0.058em;
}

h2 {
    margin-bottom: 17px;

    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

h3 {
    letter-spacing: -0.025em;
}

.hero-description {
    max-width: 670px;

    color: var(--muted);
    font-size: 19px;
}

.terminal-command {
    width: fit-content;
    margin-top: 31px;
    padding: 13px 17px;

    border: 1px solid var(--border);
    border-radius: 9px;

    color: var(--accent);
    background: rgba(0, 0, 0, 0.27);

    font-family: monospace;
}

.terminal-command span {
    margin-right: 8px;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;

    margin-top: 27px;
}

.hero-actions.centred {
    justify-content: center;
}

.button {
    min-height: 48px;
    padding: 0 21px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--border);
    border-radius: 9px;

    font-weight: 780;
}

.button.primary {
    color: #04150d;
    border-color: var(--accent);
    background: var(--accent);
}

.button.primary:hover {
    border-color: var(--accent-dark);
    background: var(--accent-dark);
}

.button.secondary {
    background: rgba(255, 255, 255, 0.025);
}

.button.disabled {
    cursor: default;

    color: var(--muted);
    background: rgba(255, 255, 255, 0.025);
}

.market-panel,
.stat-card,
.progress-panel,
.information-card,
.table-panel {
    border: 1px solid var(--border);
    border-radius: 16px;

    background:
        linear-gradient(
            145deg,
            var(--panel-light),
            var(--panel)
        );
}

.market-panel {
    padding: 30px;
}

.market-heading {
    display: flex;
    align-items: start;
    justify-content: space-between;
}

.puzzle-number {
    display: block;

    font-size: 68px;
    line-height: 0.95;
    letter-spacing: -0.06em;
}

.live-status {
    display: inline-flex;
    gap: 7px;
    align-items: center;

    padding: 6px 10px;

    border: 1px solid
        rgba(212, 175, 55, 0.35);
    border-radius: 100px;

    color: var(--accent);
    background:
        rgba(212, 175, 55, 0.09);

    font-size: 12px;
    font-weight: 800;
}

.live-status i {
    width: 7px;
    height: 7px;

    border-radius: 50%;
    background: var(--accent);
}

.live-status.offline {
    color: var(--danger);
    border-color:
        rgba(255, 105, 120, 0.3);
    background:
        rgba(255, 105, 120, 0.08);
}

.live-status.offline i {
    background: var(--danger);
}

.reward {
    margin: 18px 0 7px;

    color: var(--accent);
    font-size: 18px;
    font-weight: 800;
}

.address {
    display: block;
    overflow-wrap: anywhere;

    color: var(--muted);
}

.panel-divider {
    height: 1px;
    margin: 25px 0;

    background: var(--border);
}

.bitcoin-price {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.price-primary {
    display: block;

    font-size: 29px;
    letter-spacing: -0.04em;
}

#btc-price-usd {
    display: block;
    margin-top: 2px;

    color: var(--muted);
}

.updated-time {
    align-self: end;

    color: var(--muted);
    font-size: 12px;
    text-align: right;
}

.countdown-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 8px;
}

.countdown-grid div {
    padding: 12px 6px;

    border: 1px solid var(--border);
    border-radius: 9px;
    background: rgba(0, 0, 0, 0.16);

    text-align: center;
}

.countdown-grid strong {
    display: block;

    font-size: 25px;
    line-height: 1.1;
}

.countdown-grid span {
    color: var(--muted);
    font-size: 10px;
    text-transform: uppercase;
}

.advertisement {
    padding: 22px 0;
}

.advertisement-box {
    min-height: 110px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px dashed
        rgba(255, 255, 255, 0.14);
    border-radius: 11px;

    color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.015);

    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.section {
    padding: 88px 0;
}

.compact-section {
    padding-top: 50px;
}

.alternate-section,
.documentation-section {
    border-block: 1px solid var(--border);
    background: var(--background-alt);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;

    margin-bottom: 40px;
}

.section-heading > p {
    max-width: 480px;
    color: var(--muted);
}

.statistics-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 15px;
}

.stat-card {
    padding: 24px;
}

.stat-card p {
    margin-bottom: 9px;

    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stat-card strong {
    font-size: 38px;
    letter-spacing: -0.05em;
}

.progress-panel {
    margin-top: 15px;
    padding: 25px;
}

.progress-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;

    margin-bottom: 18px;
}

.progress-heading p {
    margin-bottom: 3px;
    color: var(--muted);
}

.progress-heading strong {
    font-size: 31px;
}

.progress-heading span {
    color: var(--muted);
}

.progress-track {
    height: 12px;
    overflow: hidden;

    border-radius: 100px;
    background: rgba(255, 255, 255, 0.08);
}

.progress-track span {
    display: block;
    height: 100%;

    border-radius: inherit;

    background:
        linear-gradient(
            90deg,
            var(--accent-dark),
            var(--accent)
        );
}

.information-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 15px;
    margin-top: 15px;
}

.information-card {
    padding: 25px;
}

dl {
    margin: 0;
}

dl > div {
    padding: 13px 0;
    border-top: 1px solid var(--border);
}

dt {
    color: var(--muted);
    font-size: 12px;
}

dd {
    margin: 4px 0 0;
    overflow-wrap: anywhere;
}

.table-panel {
    padding: 25px;
}

.table-scroll {
    overflow-x: auto;
}

table {
    width: 100%;

    border-collapse: collapse;
    white-space: nowrap;
}

th,
td {
    padding: 14px 12px;

    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
}

.empty-state {
    margin: 0;
    color: var(--muted);
}

.download-layout {
    max-width: 850px;
    text-align: center;
}

.download-layout > div > p {
    color: var(--muted);
}

.command-steps {
    display: grid;
    gap: 11px;

    max-width: 580px;
    margin: 34px auto 0;

    text-align: left;
}

.command-steps article {
    display: flex;
    gap: 14px;
    align-items: center;

    padding: 15px;

    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.025);
}

.command-steps span {
    width: 31px;
    height: 31px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;

    border-radius: 50%;

    color: #04150d;
    background: var(--accent);

    font-weight: 900;
}

.security-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 15px;
}

.security-grid article {
    padding: 25px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: rgba(255, 255, 255, 0.025);
}

.security-grid p {
    margin-bottom: 0;
    color: var(--muted);
}

.documentation-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        minmax(320px, 0.7fr);

    gap: 70px;
    align-items: center;
}

.documentation-layout > p {
    color: var(--muted);
}

footer {
    padding: 43px 0;

    border-top: 1px solid var(--border);
    color: var(--muted);
}

.footer-layout {
    display: flex;
    justify-content: space-between;
    gap: 35px;
}

footer strong {
    color: var(--text);
}

footer p {
    margin-bottom: 0;
}

@media (max-width: 920px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .statistics-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .section-heading {
        display: block;
    }

    .documentation-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 650px) {
    nav {
        display: none;
    }

    .hero {
        padding: 72px 0 60px;
    }

    .statistics-grid,
    .information-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }

    .bitcoin-price,
    .footer-layout {
        display: block;
    }

    .updated-time {
        margin-top: 12px;
        text-align: left;
    }

    .countdown-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

    .progress-heading {
        display: block;
    }

    .progress-heading > span {
        display: block;
        margin-top: 8px;
    }
}

.puzzle-navigation {
    display: flex;
    gap: 16px;
    align-items: center;
}

.puzzle-arrow {
    width: 42px;
    height: 42px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid
        rgba(212, 175, 55, 0.38);
    border-radius: 10px;

    color: var(--accent);
    background:
        rgba(212, 175, 55, 0.07);

    cursor: pointer;

    font-size: 21px;
    font-weight: 800;
}

.puzzle-arrow:hover {
    color: #061008;
    border-color: var(--accent);
    background: var(--accent);
}

.reward-panel {
    margin: 23px 0 17px;
}

.reward-panel .reward {
    display: block;
    margin: 0;

    font-size: 31px;
    letter-spacing: -0.04em;
}

.reward-values {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;

    margin-top: 10px;
}

.reward-values span {
    padding: 8px 11px;

    border: 1px solid var(--border);
    border-radius: 8px;

    color: var(--text);
    background: rgba(0, 0, 0, 0.18);

    font-size: 14px;
    font-weight: 700;
}

.live-status.solved {
    color: var(--accent);
}

.solved-information {
    margin-top: 18px;
    padding: 13px;

    border: 1px solid
        rgba(212, 175, 55, 0.35);
    border-radius: 9px;

    color: var(--accent);
    background:
        rgba(212, 175, 55, 0.08);
}

.solved-information strong,
.solved-information span {
    display: block;
}

.solved-information span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

@media (max-width: 520px) {
    .market-heading {
        display: block;
    }

    .live-status {
        margin-top: 16px;
    }

    .puzzle-navigation {
        justify-content: space-between;
    }
}

.header-logo {
    display: block;

    width: clamp(
        235px,
        18vw,
        290px
    );

    height: auto;
    max-height: 63px;

    object-fit: contain;
}

.brand {
    overflow: hidden;
}

.footer-right {
    max-width: 520px;
    text-align: right;
}

.footer-social-links {
    display: flex;
    gap: 18px;
    justify-content: flex-end;

    margin-top: 12px;
}

.footer-social-links a {
    color: var(--accent);
    font-weight: 700;
}

.footer-social-links a:hover,
nav a:hover {
    color: #f5d76e;
}

.puzzle-arrow:disabled {
    cursor: wait;
    opacity: 0.45;
}

.live-status.unsolved {
    color: #f4c542;
    border-color: rgba(212, 175, 55, 0.35);
    background: rgba(212, 175, 55, 0.08);
}

@media (max-width: 650px) {
    .header-logo {
        width: 190px;
        height: auto;
        max-height: 42px;
    }

    .footer-right {
        margin-top: 22px;
        text-align: left;
    }

    .footer-social-links {
        justify-content: flex-start;
    }
}

.header-logo {
    display: block;

    width: clamp(
        235px,
        18vw,
        290px
    );

    height: auto;
    max-height: 63px;

    object-fit: contain;
}

.brand {
    overflow: hidden;
}

.footer-right {
    max-width: 520px;
    text-align: right;
}

.footer-social-links {
    display: flex;
    gap: 18px;
    justify-content: flex-end;

    margin-top: 12px;
}

.footer-social-links a {
    color: var(--accent);
    font-weight: 700;
}

.footer-social-links a:hover,
nav a:hover {
    color: #f5d76e;
}

.puzzle-arrow:disabled {
    cursor: wait;
    opacity: 0.45;
}

.live-status.unsolved {
    color: #f4c542;
    border-color: rgba(212, 175, 55, 0.35);
    background: rgba(212, 175, 55, 0.08);
}

@media (max-width: 650px) {
    .header-logo {
        width: 190px;
        height: auto;
        max-height: 42px;
    }

    .footer-right {
        margin-top: 22px;
        text-align: left;
    }

    .footer-social-links {
        justify-content: flex-start;
    }
}

.header-social-links {
    display: flex;
    gap: 9px;
    align-items: center;

    margin-left: 4px;
}

.social-icon {
    width: 38px;
    height: 38px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--border);
    border-radius: 9px;

    color: var(--muted);
    background: rgba(255, 255, 255, 0.025);
}

.social-icon svg {
    width: 19px;
    height: 19px;
}

.social-icon:hover {
    color: #061008;
    border-color: var(--accent);
    background: var(--accent);
}

.donation-section {
    border-top: 1px solid var(--border);

    background:
        radial-gradient(
            circle at 80% 40%,
            rgba(212, 175, 55, 0.12),
            transparent 35%
        ),
        var(--background-alt);
}

.donation-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 0.8fr)
        minmax(420px, 1.2fr);

    gap: 60px;
    align-items: center;
}

.donation-description {
    max-width: 560px;
    color: var(--muted);
}

.donation-card {
    display: flex;
    gap: 24px;
    align-items: center;

    padding: 28px;

    border: 1px solid
        rgba(212, 175, 55, 0.3);
    border-radius: 16px;

    background:
        linear-gradient(
            145deg,
            rgba(212, 175, 55, 0.09),
            rgba(15, 30, 42, 0.96)
        );
}

.bitcoin-symbol {
    width: 72px;
    height: 72px;

    display: flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;

    border-radius: 50%;

    color: #071018;
    background: var(--accent);

    font-size: 42px;
    font-weight: 900;
}

.donation-content {
    min-width: 0;
    flex: 1;
}

.donation-address {
    display: block;

    padding: 12px 14px;

    overflow-wrap: anywhere;

    border: 1px solid var(--border);
    border-radius: 9px;

    color: var(--accent);
    background: rgba(0, 0, 0, 0.2);

    font-size: 14px;
}

.donation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;

    margin-top: 16px;
}

.donation-actions button {
    font: inherit;
    cursor: pointer;
}

.copy-status {
    min-height: 22px;
    margin: 10px 0 0;

    color: var(--muted);
    font-size: 12px;
}

.footer-donation {
    margin-top: 13px;

    color: var(--muted);
    font-size: 12px;
}

.footer-donation code {
    display: block;
    margin-top: 4px;

    overflow-wrap: anywhere;

    color: var(--accent);
}

@media (max-width: 920px) {
    .donation-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 700px) {
    .header-social-links {
        margin-left: auto;
    }

    .donation-card {
        display: block;
    }

    .bitcoin-symbol {
        margin-bottom: 20px;
    }
}

@media (max-width: 520px) {
    .donation-layout {
        display: block;
    }

    .donation-card {
        margin-top: 25px;
        padding: 21px;
    }
}


/* OpenPuzzle Network Dashboard */

.network-statistics-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));

    gap: 15px;
}

.network-stat-card {
    display: flex;
    flex-direction: column;
    min-height: 160px;
}

.network-stat-card strong {
    margin-bottom: 8px;
}

.network-stat-card > span {
    margin-top: auto;

    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.network-speed-value {
    font-size: clamp(
        25px,
        2.4vw,
        38px
    ) !important;

    overflow-wrap: anywhere;
}

@media (max-width: 980px) {
    .network-statistics-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .network-statistics-grid {
        grid-template-columns:
            minmax(0, 1fr);
    }

    .network-stat-card {
        min-height: 135px;
    }
}