/* ═══════════════════════════════════════════════════
   Neural Predictiva — Investor Subsite
   Shared Stylesheet (10-page structure)
   ═══════════════════════════════════════════════════ */

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

:root {
    --primary: #00d4ff;
    --primary-dim: rgba(0, 212, 255, 0.6);
    --bg: #0a0a0f;
    --card: rgba(15, 20, 30, 0.8);
    --text: #e8e8e8;
    --text-dim: #9ca3af;
    --border: rgba(0, 212, 255, 0.1);
    --grid: rgba(0, 212, 255, 0.03);
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── HUD Overlay ── */
.grid-overlay {
    position: fixed; inset: 0;
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none; z-index: 0;
}
.scan-line {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    animation: scan 8s linear infinite;
    opacity: 0.12; z-index: 1000; pointer-events: none;
}
@keyframes scan { 0% { top: 0; } 100% { top: 100%; } }

.corner {
    position: fixed; width: 30px; height: 30px;
    border-color: var(--primary); border-style: solid;
    opacity: 0.25; z-index: 10; pointer-events: none;
}
.corner.tl { top: 15px; left: 15px; border-width: 1px 0 0 1px; }
.corner.tr { top: 15px; right: 15px; border-width: 1px 1px 0 0; }
.corner.bl { bottom: 15px; left: 15px; border-width: 0 0 1px 1px; }
.corner.br { bottom: 15px; right: 15px; border-width: 0 1px 1px 0; }

/* ── Header ── */
header {
    position: relative; z-index: 100;
    padding: 20px 40px;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--border);
}
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo svg { width: 42px; height: 42px; }
.logo-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 16px; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--text);
}
.logo-text em { font-style: normal; color: var(--primary); }

/* ── Page Nav (10 items) ── */
.page-nav {
    display: flex; align-items: center; gap: 14px;
}
.page-nav a {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.55rem; letter-spacing: 1.5px;
    color: var(--text-dim); text-decoration: none;
    transition: color 0.3s; position: relative;
    white-space: nowrap;
}
.page-nav a:hover, .page-nav a.active { color: var(--primary); }
.page-nav a::after {
    content: ''; position: absolute;
    bottom: -3px; left: 0; width: 0; height: 1px;
    background: var(--primary); transition: width 0.3s;
}
.page-nav a:hover::after, .page-nav a.active::after { width: 100%; }

/* ── Main ── */
main {
    position: relative; z-index: 10;
    padding: 0 40px 80px;
    max-width: 1100px; margin: 0 auto;
}

/* ── Page Header ── */
.page-hero {
    padding: 70px 0 50px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 60px;
    position: relative;
}
.page-hero::before {
    content: attr(data-tag);
    position: absolute; top: 20px; left: 0;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem; color: var(--text-dim);
    letter-spacing: 2px; opacity: 0.4;
}
.page-hero h1 {
    font-size: 2.4rem; font-weight: 300;
    letter-spacing: 5px; margin-bottom: 18px;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-hero p {
    font-size: 1.05rem; color: var(--text-dim);
    line-height: 1.75; max-width: 680px;
}

/* ── Section ── */
.section { margin-bottom: 70px; }
.section-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem; font-weight: normal;
    letter-spacing: 3px; color: var(--primary);
    display: flex; align-items: center; gap: 10px;
    margin: 0 0 25px 0;
}
.section-title::before { content: '◈'; font-size: 0.6rem; }

/* ── Cards ── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 30px; position: relative;
    overflow: hidden; transition: all 0.3s;
}
.card:hover {
    border-color: rgba(0,212,255,0.3);
    background: rgba(0,212,255,0.03);
}
.card::before {
    content: ''; position: absolute;
    top: 0; left: 0; width: 2px; height: 100%;
    background: var(--primary); opacity: 0.4;
}
.card-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 2px;
    color: var(--text-dim); margin-bottom: 8px;
    text-transform: uppercase;
}
.card-value {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.8rem; color: var(--primary);
    margin-bottom: 8px;
}
.card-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem; font-weight: 500;
    color: var(--text); margin-bottom: 10px;
}
.card-text {
    font-size: 0.88rem; color: var(--text-dim);
    line-height: 1.7;
}
.card-note {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; color: var(--text-dim);
    line-height: 1.5;
}

/* ── Highlight Block ── */
.highlight-block {
    background: rgba(0,212,255,0.03);
    border-left: 3px solid var(--primary);
    padding: 22px 28px;
}
.highlight-block p {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.8rem; color: var(--text);
    letter-spacing: 1px; line-height: 1.8;
}

/* ── Classified / NDA Gate ── */
.classified-wrap { position: relative; }
.classified-content {
    filter: blur(5px);
    user-select: none; pointer-events: none;
    opacity: 0.5;
}
.classified-table {
    width: 100%; border-collapse: collapse;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
}
.classified-table th {
    text-align: left; padding: 10px 15px;
    border-bottom: 1px solid var(--border);
    color: var(--primary); letter-spacing: 2px;
    font-weight: normal; font-size: 0.65rem;
}
.classified-table td {
    padding: 10px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-dim);
}
.classified-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: rgba(10, 10, 15, 0.4);
    border: 1px dashed rgba(0, 212, 255, 0.2);
    gap: 15px;
}
.classified-stamp {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem; letter-spacing: 4px;
    color: var(--primary); border: 1px solid var(--primary);
    padding: 10px 28px; text-transform: uppercase;
    background: rgba(10, 10, 15, 0.8);
}
.classified-sub {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem; letter-spacing: 2px;
    color: var(--text-dim); opacity: 0.8;
}

/* ── Dividers ── */
.divider {
    height: 1px; margin: 50px 0;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ── Page Navigation (bottom) ── */
.page-bottom-nav {
    display: flex; justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}
.page-bottom-nav a {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; letter-spacing: 2px;
    color: var(--text-dim); text-decoration: none;
    transition: color 0.3s;
}
.page-bottom-nav a:hover { color: var(--primary); }
.page-bottom-nav .next { margin-left: auto; }

/* ── Footer ── */
footer {
    position: relative; z-index: 100;
    padding: 25px 40px;
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid var(--border);
    max-width: 1100px; margin: 0 auto;
}
.footer-left { display: flex; align-items: center; gap: 14px; }
.footer-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.footer-logo svg { width: 24px; height: 24px; }
.footer-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; color: var(--text-dim); letter-spacing: 1px;
}
.footer-links { display: flex; gap: 25px; }
.footer-links a {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; color: var(--text-dim);
    text-decoration: none; letter-spacing: 1px; transition: color 0.3s;
}
.footer-links a:hover { color: var(--primary); }

/* ── Grids ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Live Tag ── */
.live-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; letter-spacing: 2px; color: var(--text-dim);
}
.live-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--primary); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── Count Animation ── */
.count-up { transition: opacity 0.3s; }

/* ── Prose Block ── */
.prose {
    font-size: 0.95rem; color: var(--text-dim);
    line-height: 1.85; max-width: 720px;
}
.prose p + p { margin-top: 18px; }
.prose strong { color: var(--text); font-weight: 500; }
.prose em { color: var(--primary); font-style: normal; }

/* ── Blockquote ── */
.quote-block {
    border-left: 2px solid var(--primary);
    padding: 20px 28px;
    margin: 30px 0;
    background: rgba(0,212,255,0.02);
}
.quote-block p {
    font-size: 1rem; color: var(--text);
    line-height: 1.8; font-style: italic;
}
.quote-block .quote-attr {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; color: var(--text-dim);
    letter-spacing: 2px; margin-top: 12px;
    font-style: normal;
}

/* ── Belief / Principle Items ── */
.belief-list {
    display: flex; flex-direction: column; gap: 16px;
}
.belief-item {
    padding: 22px 28px;
    background: var(--card);
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.belief-item:hover {
    border-color: rgba(0,212,255,0.25);
}
.belief-title {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem; letter-spacing: 1.5px;
    color: var(--primary); margin-bottom: 8px;
}
.belief-text {
    font-size: 0.88rem; color: var(--text-dim);
    line-height: 1.7;
}

/* ── FAQ ── */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 30px 0;
}
.faq-item:first-child { padding-top: 0; }
.faq-q {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.1rem; font-weight: 500;
    color: var(--text); margin-bottom: 12px;
    display: flex; align-items: baseline; gap: 12px;
}
.faq-q::before {
    content: 'Q';
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; color: var(--primary);
    flex-shrink: 0;
}
.faq-a {
    font-size: 0.92rem; color: var(--text-dim);
    line-height: 1.8; padding-left: 24px;
}
.faq-a strong { color: var(--text); font-weight: 500; }

/* ── Phase Timeline ── */
.phase-list {
    position: relative; padding-left: 50px;
}
.phase-list::before {
    content: ''; position: absolute;
    left: 15px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(0,212,255,0.1));
}
.phase-item {
    position: relative; padding: 0 0 40px 20px;
}
.phase-item:last-child { padding-bottom: 0; }
.phase-dot {
    position: absolute; left: -40px; top: 4px;
    width: 12px; height: 12px;
    border: 1px solid var(--primary);
    background: var(--bg);
}
.phase-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 2px;
    color: var(--primary); margin-bottom: 6px;
}
.phase-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.15rem; font-weight: 500;
    color: var(--text); margin-bottom: 10px;
}
.phase-desc {
    font-size: 0.88rem; color: var(--text-dim);
    line-height: 1.7; max-width: 600px;
}
.phase-milestones {
    list-style: none; padding: 0; margin-top: 12px;
}
.phase-milestones li {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; color: var(--text-dim);
    letter-spacing: 0.5px; padding: 5px 0;
    display: flex; align-items: baseline; gap: 8px;
}
.phase-milestones li::before {
    content: '›'; color: var(--primary); font-size: 0.9rem;
}

/* ── Data Table (non-classified) ── */
.data-table {
    width: 100%; border-collapse: collapse;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.72rem; margin-bottom: 25px;
}
.data-table th {
    text-align: left; padding: 10px 14px;
    border-bottom: 1px solid rgba(0,212,255,0.2);
    color: var(--primary); letter-spacing: 2px;
    font-weight: normal; font-size: 0.6rem;
}
.data-table td {
    padding: 8px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-dim);
}
.data-table tr:hover td {
    color: var(--text);
    background: rgba(0,212,255,0.02);
}
.data-table .highlight-cell {
    color: var(--primary);
}

/* ── Session Example Block ── */
.session-block {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 30px;
}
.session-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem; letter-spacing: 2px;
    color: var(--primary); margin-bottom: 12px;
}
.session-hypothesis {
    font-size: 0.95rem; color: var(--text);
    line-height: 1.7; margin-bottom: 18px;
    font-style: italic;
}
.session-results {
    list-style: none; padding: 0;
}
.session-results li {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.72rem; color: var(--text-dim);
    letter-spacing: 0.5px; padding: 5px 0;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    display: flex; align-items: baseline; gap: 8px;
}
.session-results li::before {
    content: '→'; color: var(--primary); opacity: 0.6;
}

/* ── Equation Block ── */
.equation-block {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 35px;
    text-align: center;
    margin-bottom: 30px;
}
.equation {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.3rem; color: var(--primary);
    letter-spacing: 2px; margin-bottom: 15px;
}
.equation-desc {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem; color: var(--text-dim);
    letter-spacing: 1px; line-height: 1.8;
}

/* ── Responsive ── */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    header { padding: 15px 20px; }
    .page-nav { display: none; }
    main { padding: 0 20px 60px; }
    .page-hero { padding: 40px 0 30px; margin-bottom: 40px; }
    .page-hero h1 { font-size: 1.5rem; letter-spacing: 3px; }
    .section { margin-bottom: 50px; }
    .card { padding: 20px; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    footer {
        flex-direction: column; gap: 15px;
        text-align: center; padding: 20px;
    }
    .footer-links { gap: 15px; }
    .corner { display: none; }
    .page-bottom-nav { flex-direction: column; gap: 15px; text-align: center; }
    .data-table { font-size: 0.62rem; }
    .data-table th, .data-table td { padding: 6px 8px; }
}
@media (max-width: 480px) {
    .page-hero h1 { font-size: 1.3rem; letter-spacing: 2px; }
}

/* ── Mobile Nav (scrollable, 10 items) ── */
.mobile-nav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    z-index: 200;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 10px 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.mobile-nav::-webkit-scrollbar { display: none; }
.mobile-nav a {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.5rem; letter-spacing: 1px;
    color: var(--text-dim); text-decoration: none;
    padding: 6px 8px; transition: color 0.3s;
    flex-shrink: 0; white-space: nowrap;
}
.mobile-nav a.active, .mobile-nav a:hover { color: var(--primary); }
@media (max-width: 768px) {
    .mobile-nav { display: flex; }
    main { padding-bottom: 80px; }
}