:root {
    --mining-bg: #05070a;
    --mining-surface: #0c1118;
    --mining-surface-alt: #111924;
    --mining-line: #1d2938;
    --mining-text: #f4f7fb;
    --mining-muted: #95a2b3;
    --mining-orange: #f7931a;
    --mining-orange-soft: rgba(247, 147, 26, 0.10);
    --mining-green: #42d392;
    --mining-green-soft: rgba(66, 211, 146, 0.10);
    --mining-danger: #ef7a7a;
    --mining-warning: #f1c75b;
    --mining-max: 1180px;
    --mining-radius: 14px;
    --mining-shadow: 0 18px 55px rgba(0, 0, 0, 0.24);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

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

    background:
        radial-gradient(
            circle at 75% -10%,
            rgba(247, 147, 26, 0.15),
            transparent 30rem
        ),
        var(--mining-bg);

    color: var(--mining-text);
    line-height: 1.6;
}

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

a:hover,
a:focus-visible {
    color: var(--mining-orange);
}

.mining-shell {
    width: min(92%, var(--mining-max));
    margin-inline: auto;
}

.mining-header {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(5, 7, 10, 0.9);

    border-bottom:
        1px solid rgba(255,255,255,0.06);

    backdrop-filter: blur(18px);
}

.mining-nav {
    min-height: 72px;

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

    gap: 2rem;
}

.mining-brand {
    font-size: 1.05rem;
    font-weight: 750;
    letter-spacing: -0.03em;
}

.mining-brand span {
    color: var(--mining-orange);
}

.mining-nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;

    gap: 1.2rem;

    color: var(--mining-muted);
    font-size: 0.9rem;
}

.mining-nav-links a:hover,
.mining-nav-links a[aria-current="page"] {
    color: var(--mining-text);
}

.mining-hero {
    min-height: 560px;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 5rem 0;
}

.mining-eyebrow,
.mining-label {
    color: var(--mining-orange);

    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.13em;

    text-transform: uppercase;
}

.mining-hero h1 {
    max-width: 900px;

    margin: 0.7rem 0 1.5rem;

    font-size: clamp(3rem, 7vw, 6.5rem);
    line-height: 0.95;
    letter-spacing: -0.055em;
}

.mining-lead {
    max-width: 780px;

    color: var(--mining-muted);
    font-size: 1.08rem;
}

.mining-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 0.75rem;
    margin-top: 2rem;
}

.mining-button {
    min-height: 44px;

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

    padding: 0.75rem 1rem;

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

    background: var(--mining-orange);
    color: #1b0d00;

    font-weight: 700;
}

.mining-button:hover {
    color: #1b0d00;
    filter: brightness(1.08);
}

.mining-button-secondary {
    background: transparent;
    color: var(--mining-text);
    border-color: var(--mining-line);
}

.mining-button-secondary:hover {
    color: var(--mining-orange);
}

.mining-section {
    padding: 2rem 0 5rem;
}

.mining-section h2 {
    margin: 0.6rem 0 1.2rem;

    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.mining-grid {
    display: grid;
    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 1rem;
}

.mining-card {
    min-width: 0;
    padding: 1.5rem;

    background:
        linear-gradient(
            145deg,
            var(--mining-surface),
            var(--mining-surface-alt)
        );

    border: 1px solid var(--mining-line);
    border-radius: var(--mining-radius);

    box-shadow: var(--mining-shadow);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.mining-card:hover {
    transform: translateY(-3px);
    border-color: #6f522d;
}

.mining-card h3 {
    margin-top: 1rem;
    margin-bottom: 0.6rem;
}

.mining-card p {
    color: var(--mining-muted);
}

.mining-status {
    display: inline-flex;
    align-items: center;

    padding: 0.32rem 0.65rem;

    color: var(--mining-green);
    background: var(--mining-green-soft);

    border:
        1px solid rgba(66, 211, 146, 0.25);

    border-radius: 999px;

    font-size: 0.76rem;
    font-weight: 700;
}

.mining-list {
    padding-left: 1.2rem;
}

.mining-list li + li {
    margin-top: 0.5rem;
}

.mining-panel {
    padding: 1.5rem;

    background: var(--mining-orange-soft);

    border: 1px solid var(--mining-line);
    border-radius: var(--mining-radius);
}

.mining-metric {
    padding: 1rem 0;

    display: flex;
    justify-content: space-between;

    gap: 1rem;

    border-bottom: 1px solid var(--mining-line);
}

.mining-metric:last-child {
    border-bottom: 0;
}

.mining-metric span:first-child {
    color: var(--mining-muted);
}

.mining-metric span:last-child {
    color: var(--mining-orange);

    font-family:
        "Cascadia Code",
        Consolas,
        monospace;
}

.mining-code {
    overflow-x: auto;

    padding: 1rem;

    background: #030609;

    border: 1px solid var(--mining-line);
    border-radius: 10px;

    color: #ffd7a3;

    font-family:
        "Cascadia Code",
        Consolas,
        monospace;

    font-size: 0.88rem;
}

.mining-footer {
    margin-top: 4rem;
    padding: 2rem 0;

    border-top: 1px solid var(--mining-line);

    color: var(--mining-muted);
}

.mining-hidden {
    display: none !important;
}

@media (max-width: 900px) {

    .mining-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {

    .mining-nav {
        align-items: flex-start;
        flex-direction: column;

        padding: 1rem 0;
    }

    .mining-nav-links {
        align-items: flex-start;
        flex-direction: column;
    }

    .mining-grid {
        grid-template-columns: 1fr;
    }

    .mining-hero {
        min-height: auto;
        padding-top: 4rem;
    }
}