/* ========================================
   STK HUNTERS — Design System
   ======================================== */

:root {
    /* Colors */
    --bg-base:       #0d1117;
    --bg-elevated:   #161b22;
    --bg-overlay:    #21262d;
    --border-subtle: #21262d;
    --border:        #30363d;

    --text-primary:   #e6edf3;
    --text-secondary: #c9d1d9;
    --text-muted:     #8b949e;
    --text-dim:       #555;

    --accent:        #00ff88;
    --accent-hover:  #00cc6a;
    --accent-dim:    rgba(0,255,136,0.1);

    --bull:    #3fb950;
    --bull-dim:#1a4a2e;
    --bear:    #f85149;
    --bear-dim:#4a1a1a;
    --neutral: #8b949e;
    --warning: #f0b429;
    --info:    #58a6ff;
    --purple:  #e879f9;

    /* Typography */
    --font-mono: 'SF Mono', 'Menlo', 'Consolas', 'Monaco', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 12px;
}

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

html, body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ========================================
   Top navigation
   ======================================== */
.topnav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    background: var(--bg-base);
    z-index: 100;
}
.topnav .logo {
    color: var(--accent);
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 6px;
    text-decoration: none;
}
.topnav .nav-links {
    display: flex;
    gap: 22px;
    align-items: center;
    flex-wrap: wrap;
}
.topnav .nav-links a {
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    transition: color 0.15s;
}
.topnav .nav-links a:hover,
.topnav .nav-links a.active {
    color: var(--accent);
    text-decoration: none;
}
.topnav .nav-cta {
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: var(--radius);
    transition: background 0.15s;
}
.topnav .nav-cta:hover {
    background: var(--accent-dim);
    text-decoration: none;
}

@media (max-width: 768px) {
    .topnav { padding: 14px 18px; flex-direction: column; gap: 12px; }
    .topnav .nav-links { gap: 14px; font-size: 11px; justify-content: center; }
}

/* ========================================
   Page layout
   ======================================== */
.page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 32px;
}
.page--narrow { max-width: 900px; }

/* ========================================
   Footer
   ======================================== */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 32px 40px;
    margin-top: 80px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 1px;
}
.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-donate {
    display: flex;
    align-items: center;
    gap: 14px;
}
.footer-donate-label {
    color: var(--accent);
}
.footer-donate-addr {
    font-size: 10px;
    color: var(--text-secondary);
    user-select: all;
    word-break: break-all;
}

/* ========================================
   Hero / Landing
   ======================================== */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
}
.hero h1 {
    font-size: clamp(36px, 6vw, 68px);
    font-weight: 900;
    letter-spacing: 8px;
    color: var(--accent);
    margin-bottom: 16px;
}
.hero .tagline {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--text-muted);
    margin-bottom: 32px;
}
.hero .cta-row {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 3px;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.btn:hover {
    background: var(--accent-dim);
    text-decoration: none;
}
.btn--primary {
    background: var(--accent);
    color: var(--bg-base);
}
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost {
    border-color: var(--border);
    color: var(--text-muted);
}
.btn--ghost:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    background: transparent;
}

/* ========================================
   Feature grid
   ======================================== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin: 60px 0;
}
.feature-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform 0.15s, border-color 0.15s;
}
.feature-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}
.feature-card h3 {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 3px;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
}

/* ========================================
   Donate block
   ======================================== */
.donate-block {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin: 60px 0;
    display: flex;
    gap: 32px;
    align-items: center;
    flex-wrap: wrap;
}
.donate-text {
    flex: 1;
    min-width: 260px;
}
.donate-text h2 {
    color: var(--accent);
    font-size: 18px;
    letter-spacing: 4px;
    margin-bottom: 10px;
}
.donate-text p {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
    margin-bottom: 16px;
}
.donate-addr {
    display: inline-block;
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 11px;
    color: var(--accent);
    word-break: break-all;
    user-select: all;
    cursor: pointer;
}
.donate-qr {
    width: 180px;
    height: 180px;
    background: #fff;
    border-radius: var(--radius);
    padding: 12px;
    flex-shrink: 0;
}
.donate-qr img { width: 100%; height: 100%; display: block; }

@media (max-width: 600px) {
    .donate-block { padding: 24px; }
    .donate-qr { width: 160px; height: 160px; margin: 0 auto; }
}

/* ========================================
   Section headings
   ======================================== */
.section-title {
    color: var(--accent);
    font-size: 14px;
    letter-spacing: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 10px;
}

/* ========================================
   Utility classes
   ======================================== */
.text-bull    { color: var(--bull); }
.text-bear    { color: var(--bear); }
.text-neutral { color: var(--neutral); }
.text-muted   { color: var(--text-muted); }
.text-accent  { color: var(--accent); }