/* ============================================
   BITALITY DESIGN SYSTEM v2.1
   Shared across all pages
   ============================================ */

:root {
    --bg: #030407;
    --bg-alt: #06080d;
    --ink: #e8ecef;
    --ink-dim: #7a8088;
    --ink-faint: #3a4048;

    --cyan: #00f3ff;
    --cyan-dim: rgba(0, 243, 255, 0.12);
    --cyan-bright: #5ffbff;
    --btc: #ff9500;
    --btc-dim: rgba(255, 149, 0, 0.12);
    --lime: #00ff88;
    --purple: #bd00ff;
    --red: #ff4060;

    --glass: rgba(12, 14, 20, 0.55);
    --glass-solid: #0a0c11;
    --glass-hover: rgba(18, 22, 30, 0.85);
    --border: rgba(255, 255, 255, 0.07);
    --border-bright: rgba(0, 243, 255, 0.35);

    --glow-cyan: 0 0 30px rgba(0, 243, 255, 0.35);
    --glow-btc: 0 0 30px rgba(255, 149, 0, 0.35);

    --font-display: 'Unbounded', 'Arial Black', sans-serif;
    --font-body: 'Figtree', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 400;
    overflow-x: hidden;
    min-height: 100vh;
    letter-spacing: -0.005em;
    line-height: 1.5;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--cyan), var(--btc));
    border-radius: 4px;
}
::selection { background: var(--cyan); color: var(--bg); }

@media (min-width: 992px) { * { cursor: none; } }

a { color: var(--cyan); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--cyan-bright); }

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */
.display { font-family: var(--font-display); letter-spacing: -0.03em; line-height: 0.95; }
.mono { font-family: var(--font-mono); }
.grad-text {
    background: linear-gradient(100deg, #fff 20%, var(--cyan) 55%, var(--btc) 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cyan { color: var(--cyan); }
.btc { color: var(--btc); }
.lime { color: var(--lime); }
.muted { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }

.label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink-dim);
}
.label::before {
    content: "// ";
    color: var(--cyan);
    opacity: 0.7;
}
.label.btc-label::before { color: var(--btc); }

/* ============================================
   LAYERS — Background, grain, scanlines
   ============================================ */
.warp-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 243, 255, 0.06), transparent 60%),
        radial-gradient(ellipse 50% 40% at 100% 100%, rgba(255, 149, 0, 0.04), transparent 60%),
        var(--bg);
}
.grain-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
    opacity: 0.06;
    mix-blend-mode: overlay;
}
.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9001;
    background: repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 3px);
    opacity: 0.4;
}

#scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--cyan), var(--btc));
    box-shadow: 0 0 8px var(--cyan);
    z-index: 10002;
    transition: width 0.1s linear;
}

/* Cursor */
.cursor-outer {
    position: fixed;
    top: 0; left: 0;
    width: 36px; height: 36px;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.25s, height 0.25s, border-color 0.25s, background 0.25s;
}
.cursor-inner {
    position: fixed;
    top: 0; left: 0;
    width: 4px; height: 4px;
    background: var(--cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    transition: transform 0.15s;
}
body.hovered .cursor-outer {
    width: 60px; height: 60px;
    background: rgba(0, 243, 255, 0.08);
    border-color: var(--btc);
}
body.hovered .cursor-inner { transform: translate(-50%, -50%) scale(0); }
@media (max-width: 991px) { .cursor-outer, .cursor-inner { display: none; } }

/* ============================================
   NAVIGATION
   ============================================ */
nav.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 18px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(3, 4, 7, 0.65);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s, background 0.3s;
}
nav.main-nav.scrolled { padding: 12px 5%; background: rgba(3, 4, 7, 0.9); }

.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 36px; width: auto; }
.logo-fallback {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.4rem;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.logo-fallback .dot { color: var(--cyan); }

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}
.nav-links > a {
    color: var(--ink-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transition: color 0.3s;
    position: relative;
}
.nav-links > a::before {
    content: "";
    position: absolute;
    left: -12px; top: 50%;
    width: 4px; height: 4px;
    background: var(--cyan);
    border-radius: 50%;
    transform: translateY(-50%) scale(0);
    transition: transform 0.3s var(--ease-bounce);
}
.nav-links > a:hover { color: var(--ink); }
.nav-links > a:hover::before, .nav-links > a.active::before { transform: translateY(-50%) scale(1); }
.nav-links > a.active { color: var(--cyan); }

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding-left: 24px;
    margin-left: 8px;
    border-left: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
}
.lang-btn {
    color: var(--ink-faint);
    transition: color 0.3s;
    user-select: none;
    padding: 4px 6px;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.active { color: var(--cyan); }
.lang-switch .sep { color: var(--ink-faint); }

.mobile-toggle { display: none; font-size: 1.5rem; color: var(--ink); cursor: pointer; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    text-decoration: none;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}
.btn-primary { background: var(--cyan); color: var(--bg); }
.btn-primary:hover { background: #fff; box-shadow: var(--glow-cyan); transform: translateY(-2px); color: var(--bg); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--ink); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow-cyan); }
.btn-cyan { background: transparent; border: 1px solid var(--cyan); color: var(--cyan); }
.btn-cyan:hover { background: var(--cyan); color: var(--bg); box-shadow: var(--glow-cyan); }
.btn-btc { background: transparent; border: 1px solid var(--btc); color: var(--btc); }
.btn-btc:hover { background: var(--btc); color: var(--bg); box-shadow: var(--glow-btc); }
.btn-sm { padding: 10px 18px; font-size: 0.72rem; }
.btn::after { content: "→"; display: inline-block; transition: transform 0.3s; }
.btn:hover::after { transform: translateX(4px); }
.btn.no-arrow::after { display: none; }

/* ============================================
   PAGE LAYOUT — Used on all sub-pages
   ============================================ */
.page-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 140px 5% 60px;
    position: relative;
    z-index: 2;
}
.page-narrow {
    max-width: 980px;
    margin: 0 auto;
    padding: 140px 5% 60px;
    position: relative;
    z-index: 2;
}

.breadcrumb {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-dim);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--ink-dim); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { color: var(--ink-faint); }
.breadcrumb .current { color: var(--cyan); }

.page-header { margin-bottom: 60px; }
.page-header .label { margin-bottom: 20px; display: inline-block; }
.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--ink);
}
.page-header p.lead {
    font-size: 1.15rem;
    color: var(--ink-dim);
    line-height: 1.6;
    max-width: 720px;
}

/* ============================================
   CARDS & PANELS
   ============================================ */
.card {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 28px;
    position: relative;
    transition: all 0.4s var(--ease);
    overflow: hidden;
    backdrop-filter: blur(8px);
}
.card:hover { border-color: var(--border-bright); }
.card.no-hover:hover { border-color: var(--border); }

.panel {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 32px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
}
.panel h2, .panel h3 { font-family: var(--font-display); letter-spacing: -0.02em; }

.stat-block {
    padding: 24px;
    background: var(--glass);
    border: 1px solid var(--border);
}
.stat-block .lbl {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ink-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
}
.stat-block .val {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
    line-height: 1;
}
.stat-block .val .unit { font-size: 0.6em; color: var(--cyan); }
.stat-block .delta { font-family: var(--font-mono); font-size: 0.8rem; margin-top: 8px; }
.stat-block .delta.up { color: var(--lime); }
.stat-block .delta.dn { color: var(--red); }

/* Code blocks */
.code-block {
    background: #05060a;
    border: 1px solid var(--border);
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #bfc5cc;
    overflow-x: auto;
    line-height: 1.7;
    margin: 20px 0;
    position: relative;
}
.code-block .kw { color: #c678dd; }
.code-block .str { color: #98c379; }
.code-block .fn { color: #61afef; }
.code-block .num { color: #d19a66; }
.code-block .var { color: #e06c75; }
.code-block .cmt { color: #5c6370; font-style: italic; }
.code-block .lang-tag {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 0.68rem;
    color: var(--ink-faint);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
code.inline {
    background: rgba(0, 243, 255, 0.08);
    color: var(--cyan);
    padding: 2px 8px;
    font-family: var(--font-mono);
    font-size: 0.85em;
    border: 1px solid rgba(0, 243, 255, 0.2);
}

/* Tables */
table.tx-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}
table.tx-table thead {
    border-bottom: 1px solid var(--border);
}
table.tx-table th {
    text-align: left;
    padding: 14px 12px;
    color: var(--ink-dim);
    font-weight: 500;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}
table.tx-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--ink);
}
table.tx-table tbody tr { transition: background 0.2s; }
table.tx-table tbody tr:hover { background: rgba(0, 243, 255, 0.03); }
table.tx-table .hash { color: var(--cyan); }
table.tx-table .age { color: var(--ink-dim); }
table.tx-table .amount { color: var(--btc); font-weight: 700; }
table.tx-table .status-ok { color: var(--lime); }
table.tx-table .status-pending { color: var(--btc); }

/* Pulse dot for "live" indicators */
.pulse-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--lime);
    border-radius: 50%;
    position: relative;
    margin-right: 8px;
    vertical-align: middle;
}
.pulse-dot::before {
    content: "";
    position: absolute;
    inset: -3px;
    background: var(--lime);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse-ping 1.8s ease-out infinite;
}
@keyframes pulse-ping {
    0% { transform: scale(0.5); opacity: 0.8; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* ============================================
   FOOTER
   ============================================ */
.tech-footer {
    background: #020305;
    border-top: 1px solid var(--border);
    padding: 80px 5% 30px;
    position: relative;
    overflow: hidden;
    max-width: 1440px;
    margin: 0 auto;
}
.tech-footer::before {
    content: "";
    position: absolute;
    top: 0; left: 20%;
    width: 60%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0.5;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}
.footer-logo-link img { max-width: 160px; margin-bottom: 24px; display: block; }
.footer-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink-dim);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 300px;
}
.contact-item {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--ink-dim);
}
.contact-icon { color: var(--cyan); margin-top: 3px; flex-shrink: 0; width: 16px; }
.contact-item a { color: var(--ink-dim); }
.contact-item a:hover { color: var(--ink); }

.footer-links-col h4 {
    font-family: var(--font-mono);
    color: var(--ink);
    margin-bottom: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.footer-links-col h4::before { content: "// "; color: var(--cyan); opacity: 0.6; }
.footer-links-col ul { list-style: none; padding: 0; }
.footer-links-col li { margin-bottom: 10px; }
.footer-links-col a {
    color: var(--ink-dim);
    font-size: 0.9rem;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
}
.footer-links-col a:hover { color: var(--cyan); transform: translateX(4px); }

.socials { display: flex; gap: 12px; margin-top: 20px; }
.social-btn {
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--ink-dim);
    transition: all 0.3s;
    font-size: 0.85rem;
}
.social-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-faint);
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom .status { color: var(--lime); }
.footer-bottom .status::before {
    content: "●";
    margin-right: 6px;
    animation: blink 2s infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ============================================
   MOBILE
   ============================================ */
@media (max-width: 992px) {
    .page-container, .page-narrow { padding: 100px 5% 40px; }

    nav.main-nav .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 100%; height: 100vh;
        background: rgba(3, 4, 7, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 28px;
        transition: right 0.4s var(--ease);
        z-index: 999;
    }
    nav.main-nav .nav-links.active { right: 0; }
    nav.main-nav .nav-links > a { font-size: 1.1rem; }
    .mobile-toggle { display: block; z-index: 1001; }
    .lang-switch { margin-left: 0; padding-left: 0; border-left: none; margin-top: 20px; }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; }
}