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

:root {
    --nyx-green: #00ff41;
    --nyx-green-dim: #39ff14;
    --nyx-cyan: #00e5ff;
    --nyx-gold: #ffd700;
    --nyx-bg: #050805;
    --nyx-panel: rgba(0, 20, 0, 0.72);
    --nyx-border: rgba(0, 255, 65, 0.35);
    --nyx-text: #c8d1c8;
    --nyx-muted: #8b949e;
    --font-mono: "JetBrains Mono", "Courier New", Courier, monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background: var(--nyx-bg);
    color: var(--nyx-text);
    line-height: 1.6;
    min-height: 100vh;
}

#matrix-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.72;
}

.site-wrap {
    position: relative;
    z-index: 1;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--nyx-border);
    background: rgba(5, 8, 5, 0.92);
    backdrop-filter: blur(8px);
}

.logo {
    color: var(--nyx-green);
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 3px;
    text-decoration: none;
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.logo span {
    color: var(--nyx-muted);
    font-weight: normal;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav a {
    color: var(--nyx-muted);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--nyx-green);
}

.btn {
    display: inline-block;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 12px 22px;
    border-radius: 4px;
    border: 2px solid var(--nyx-green);
    transition: all 0.25s ease;
    cursor: pointer;
}

.btn-primary {
    color: #000;
    background: var(--nyx-green);
    box-shadow: 0 0 16px rgba(0, 255, 65, 0.35);
}

.btn-primary:hover {
    color: var(--nyx-green);
    background: transparent;
    box-shadow: 0 0 24px rgba(0, 255, 65, 0.5);
}

.btn-ghost {
    color: var(--nyx-green);
    background: transparent;
}

.btn-ghost:hover {
    background: rgba(0, 255, 65, 0.08);
}

.hero {
    text-align: center;
    padding: 72px 20px 56px;
    max-width: 920px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    color: var(--nyx-cyan);
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding: 6px 12px;
    border: 1px solid rgba(0, 229, 255, 0.35);
    border-radius: 4px;
}

.hero h1 {
    color: var(--nyx-green);
    font-size: clamp(2.4rem, 8vw, 4.2rem);
    letter-spacing: clamp(4px, 2vw, 12px);
    line-height: 1.05;
    text-shadow: 0 0 20px rgba(0, 255, 65, 0.45);
    margin-bottom: 16px;
}

.hero-logo-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    max-width: 920px;
}

.hero-logo {
    display: block;
    width: auto;
    height: auto;
    max-width: 88%;
    filter: drop-shadow(0 0 18px rgba(0, 255, 65, 0.35));
}

.site-banner-wrap {
    max-width: 1080px;
    margin: -24px auto 0;
    padding: 0 20px 40px;
    text-align: center;
}

.site-banner-wrap.is-hidden {
    display: none;
}

.site-banner {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    border: 1px solid var(--nyx-border);
    border-radius: 4px;
    box-shadow: 0 0 18px rgba(0, 255, 65, 0.1);
}

.hero-lead {
    color: var(--nyx-muted);
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-bottom: 12px;
}

.hero-note {
    font-size: 0.72rem;
    color: #6e7681;
    margin-top: 16px;
}

section {
    padding: 48px 20px;
    max-width: 1080px;
    margin: 0 auto;
}

.section-title {
    color: var(--nyx-gold);
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

section h2 {
    color: #fff;
    font-size: clamp(1.35rem, 4vw, 1.85rem);
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.card {
    background: var(--nyx-panel);
    border: 1px solid var(--nyx-border);
    border-radius: 4px;
    padding: 22px 20px;
    box-shadow: 0 0 12px rgba(0, 255, 65, 0.06);
}

.card-icon {
    font-size: 1.4rem;
    margin-bottom: 0;
}

.card-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    margin-bottom: 10px;
}

.card-figure {
    display: block;
    max-width: 100%;
    max-height: 160px;
    width: auto;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--nyx-border);
    box-shadow: 0 0 12px rgba(0, 255, 65, 0.08);
}

.card-figure.is-hidden {
    display: none;
}

.card-visual.has-figure .card-icon {
    display: none;
}

.card h3 {
    color: var(--nyx-green);
    font-size: 0.95rem;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.card p {
    color: var(--nyx-muted);
    font-size: 0.82rem;
    line-height: 1.55;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.step {
    border-left: 2px solid var(--nyx-green);
    padding: 8px 0 8px 16px;
}

.step-num {
    color: var(--nyx-cyan);
    font-size: 0.72rem;
    letter-spacing: 2px;
}

.step h3 {
    color: #fff;
    font-size: 0.9rem;
    margin: 6px 0;
}

.step p {
    color: var(--nyx-muted);
    font-size: 0.8rem;
}

.cta-band {
    margin: 24px 20px 48px;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    padding: 36px 24px;
    border: 1px solid var(--nyx-border);
    border-radius: 4px;
    background: linear-gradient(180deg, rgba(0, 40, 0, 0.35), rgba(0, 10, 0, 0.6));
    box-shadow: 0 0 24px rgba(0, 255, 65, 0.08);
}

.cta-band h2 {
    color: var(--nyx-green);
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.cta-band p {
    color: var(--nyx-muted);
    font-size: 0.85rem;
    margin-bottom: 22px;
}

.site-footer {
    border-top: 1px solid rgba(48, 54, 61, 0.8);
    padding: 28px 24px 36px;
    text-align: center;
    font-size: 0.72rem;
    color: #6e7681;
}

.site-footer a {
    color: var(--nyx-muted);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--nyx-green);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

@media (max-width: 640px) {
    .site-header {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px;
    }

    .nav {
        justify-content: center;
    }

    .nav .btn {
        width: 100%;
        text-align: center;
    }
}