:root {
    --bg: #000000;
    --surface: #111111;
    --accent: #ffb100;
    --text: #ffffff;
    --muted: #c4c4cc;
    --border: #333333;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

#qn-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.site-nav, main, .signal-line, .site-footer, .account-page {
    position: relative;
    z-index: 2;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Override shared dynamic CSS — keep dark background, allow canvas to show */
.cs-design-body { background-color: var(--bg) !important; }
main { background-color: transparent !important; }

/* ── Layout ──────────────────────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ── Nav ─────────────────────────────────────────── */
.site-nav {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo span { color: var(--accent); }
.logo:hover { color: #fff; text-decoration: none; }

.logo-box {
    width: 14px;
    height: 14px;
    border: 2px solid var(--accent);
    box-shadow: 0 0 10px var(--accent);
    flex-shrink: 0;
}

.btn-domain {
    font-family: 'IBM Plex Mono', monospace;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px 24px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    transition: background 0.2s, color 0.2s;
}

.btn-domain:hover { background: var(--accent); color: #000; }

/* ── Hero ─────────────────────────────────────────── */
.hero {
    padding: 80px 0 40px;
    border-left: 2px solid var(--border);
    padding-left: 60px;
    margin-left: -2px;
}

h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    margin: 0;
    line-height: 0.85;
    letter-spacing: -4px;
    text-transform: uppercase;
}

h1 span { color: var(--accent); }

.hero-lead {
    color: var(--text);
    font-size: 1.25rem;
    max-width: 550px;
    margin: 40px 0;
    font-family: 'IBM Plex Mono', monospace;
    background: rgba(255, 177, 0, 0.05);
    padding: 10px;
    border-radius: 4px;
    line-height: 1.6;
}

/* ── Pulse bar ───────────────────────────────────── */
.node-visual {
    width: 100%;
    height: 4px;
    background: #222;
    position: relative;
    margin: 80px 0;
    overflow: hidden;
}

.pulse {
    position: absolute;
    top: 0; left: -150px;
    width: 150px; height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: movePulse 2.5s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes movePulse {
    0%   { left: -150px; }
    100% { left: 100%; }
}

/* ── Feature cards ──────────────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 0;
    box-shadow: none;
    transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card h3 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent);
    text-transform: uppercase;
    margin: 0 0 20px;
    font-weight: 700;
}

.card p {
    font-size: 1rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.65;
}

/* ── Signal Line ─────────────────────────────────── */
.signal-line {
    padding: 0 8% 120px;
    text-align: center;
    position: relative;
    z-index: 5;
}

.signal-inner { max-width: 600px; margin: 0 auto; }

.signal-status {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 900;
    opacity: 0.9;
    margin-bottom: 30px;
    font-family: 'IBM Plex Mono', monospace;
}

.signal-cta {
    display: inline-block;
    font-family: 'IBM Plex Mono', monospace;
    border: 1px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.8rem;
    padding: 12px 24px;
    transition: background 0.2s, color 0.2s;
}

.signal-cta:hover { background: var(--accent); color: #000; }

.signal-sub {
    margin-top: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    font-family: 'IBM Plex Mono', monospace;
}

/* ── Footer ──────────────────────────────────────── */
.site-footer {
    padding: 24px 40px;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--muted);
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    border-top: 1px solid var(--border);
}

/* ── Account pages ───────────────────────────────── */
.account-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.account-box {
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--border);
    background: var(--surface);
    padding: 50px;
}

.account-box h1 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 0 10px;
    line-height: 1.2;
    color: var(--text);
}

.account-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    text-decoration: none;
    margin-bottom: 40px;
}

.account-logo span { color: var(--accent); }
.account-logo:hover { color: #fff; text-decoration: none; }

.account-logo .logo-box {
    width: 10px;
    height: 10px;
}

.account-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 30px 0;
}

.account-box .form-group {
    margin-bottom: 20px;
}

.account-box label {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.account-box input[type="text"],
.account-box input[type="email"],
.account-box input[type="password"] {
    width: 100%;
    background: #000;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 14px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.account-box input:focus {
    border-color: var(--accent);
}

.account-box input.is-invalid { border-color: #e55; }
.account-box input.is-valid   { border-color: #5a5; }

.invalid-feedback {
    color: #e55;
    font-size: 0.75rem;
    font-family: 'IBM Plex Mono', monospace;
    margin-top: 4px;
}

.alert-danger {
    color: #e55;
    font-size: 0.8rem;
    font-family: 'IBM Plex Mono', monospace;
    border: 1px solid #e55;
    padding: 10px 14px;
    margin-bottom: 20px;
    background: rgba(238,85,85,0.05);
}

.btn-account {
    width: 100%;
    background: var(--accent);
    color: #000;
    border: none;
    padding: 14px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 10px;
}

.btn-account:hover { background: #fff; }

.account-links {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.account-links a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.account-links a:hover { color: var(--accent); }

.account-message {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.account-message a {
    color: var(--accent);
    text-decoration: none;
}

.account-message a:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 800px) {
    .grid { grid-template-columns: 1fr; }
    .hero { border-left: none; padding-left: 0; }
    h1 { letter-spacing: -1px; }
}

@media (max-width: 600px) {
    .btn-domain { padding: 8px 14px; font-size: 0.7rem; }
    .site-footer { font-size: 0.65rem; letter-spacing: 2px; }
    .container { padding: 0 20px; }
    .footer-sep { display: none; }
    .footer-acq { display: block; margin-top: 6px; }
}