/* ================================================================
   CYBERBARRETT.COM — Shared Stylesheet
   Electric Blue / Cyan on Deep Navy
   ================================================================ */

:root {
    --electric:    #00aaff;
    --cyan:        #00ffe0;
    --navy:        #040d1c;
    --navy-2:      #071428;
    --card-bg:     #0a1a35;
    --card-border: rgba(0,170,255,0.14);
    --white:       #ffffff;
    --muted:       #7a9bbf;
    --glow-e:      0 0 24px rgba(0,170,255,0.45), 0 0 64px rgba(0,170,255,0.18);
    --glow-c:      0 0 24px rgba(0,255,224,0.4);
    --glow-card:   0 16px 48px rgba(0,0,0,0.5), 0 0 32px rgba(0,170,255,0.1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--navy);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

::selection { background: var(--electric); color: var(--navy); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--electric); border-radius: 3px; }

/* Scanlines */
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: repeating-linear-gradient(
        0deg, transparent, transparent 2px,
        rgba(0,170,255,0.015) 2px, rgba(0,170,255,0.015) 4px
    );
    pointer-events: none; z-index: 9999;
}

/* ---- NAV ---- */
#nav, .site-nav {
    position: fixed; top:0; left:0; right:0; z-index:1000;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2.5rem;
    transition: all 0.35s ease;
}

#nav.scrolled, .site-nav.scrolled {
    background: rgba(4,13,28,0.95);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(0,170,255,0.12);
    padding: 0.65rem 2.5rem;
}

.nav-logo {
    font-family: 'Space Mono', monospace; font-weight:700;
    font-size: 1rem; text-decoration:none; color:var(--white);
    letter-spacing: -0.01em;
}

.nav-logo .cb {
    background: linear-gradient(90deg, var(--electric), var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    background-clip:text;
}

#nav ul { list-style:none; display:flex; gap:0.15rem; }

/* Shared link styles — covers both <ul><li><a> (homepage) and <div.nav-links><a> (sub-pages) */
#nav ul a,
.nav-links a {
    display:block; color:rgba(255,255,255,0.92); text-decoration:none;
    font-size:0.92rem; font-weight:500;
    padding:0.45rem 0.95rem; border-radius:6px;
    transition:all 0.25s; letter-spacing:0.02em;
}

#nav ul a:hover, #nav ul a.active,
.nav-links a:hover, .nav-links a.active {
    color:var(--electric); background:rgba(0,170,255,0.08);
}

.nav-links { display:flex; gap:0.15rem; align-items:center; }

.nav-hamburger {
    display:none; flex-direction:column; justify-content:center; gap:5px;
    background:none; border:none; cursor:pointer;
    padding:11px 8px;          /* 44px tall tap target for mobile */
    min-width:44px; min-height:44px;
    touch-action: manipulation; /* eliminates 300ms tap delay on Android */
    -webkit-tap-highlight-color: transparent;
    position:relative; z-index:1001;
}

.nav-hamburger span {
    display:block; width:24px; height:2px;
    background:var(--electric); border-radius:2px;
    transition:all 0.3s; pointer-events:none;
}

@media (max-width:680px) {
    .nav-hamburger { display:flex; }
    #nav ul,
    .nav-links {
        display:none; position:absolute; top:100%; left:0; right:0;
        flex-direction:column; gap:0;
        background:rgba(4,13,28,0.98);
        border-bottom:1px solid rgba(0,170,255,0.15);
        padding:0.75rem 1rem;
    }
    #nav ul.open, .nav-links.open { display:flex; }
    #nav ul a, .nav-links a { font-size:1rem; padding:0.75rem 1rem; }
}

/* ---- NAV DROPDOWNS (JS-controlled via .open class) ---- */
.nav-has-drop { position: relative; }
.nav-has-drop > a { cursor: pointer; user-select: none; }

.nav-drop {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: rgba(4,13,28,0.98);
    border: 1px solid rgba(0,170,255,0.2);
    border-radius: 10px;
    padding: 0.4rem 0;
    box-shadow: 0 16px 40px rgba(0,0,0,0.6);
    backdrop-filter: blur(14px);
    z-index: 300;
    flex-direction: column;
}

.nav-has-drop.open .nav-drop { display: flex; }

.nav-drop li { list-style: none; }

.nav-drop a {
    display: block;
    padding: 0.55rem 1.15rem;
    font-size: 0.78rem;
    white-space: nowrap;
    color: rgba(255,255,255,0.72) !important;
    background: none !important;
    transition: color 0.15s, background 0.15s;
}

.nav-drop a:hover {
    background: rgba(0,170,255,0.09) !important;
    color: var(--electric) !important;
}

@media (max-width: 680px) {
    .nav-drop {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 2px solid rgba(0,170,255,0.2);
        border-radius: 0;
        background: transparent;
        padding: 0.2rem 0 0.2rem 1rem;
        margin: 0.2rem 0 0.4rem;
    }
    .nav-drop a { font-size: 0.9rem; padding: 0.5rem 0.5rem; }
}

/* ---- PAGE HERO (for sub-pages) ---- */
.page-hero {
    padding: 8rem 2.5rem 5rem;
    position: relative;
    overflow: hidden;
    background: var(--navy-2);
    border-bottom: 1px solid rgba(0,170,255,0.1);
}

.page-hero .grid-bg {
    position:absolute; inset:0;
    background-image:
        linear-gradient(rgba(0,170,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,170,255,0.05) 1px, transparent 1px);
    background-size:55px 55px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 85%);
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    from { transform: translateY(0); }
    to   { transform: translateY(55px); }
}

.page-hero .blob-hero {
    position:absolute; top:-80px; right:-80px;
    width:500px; height:400px; border-radius:50%;
    background:radial-gradient(circle, rgba(0,119,255,0.22), transparent 70%);
    filter:blur(80px); pointer-events:none;
    animation: bFloat 12s ease-in-out infinite;
}

@keyframes bFloat {
    0%,100% { transform:translate(0,0) scale(1); }
    50%      { transform:translate(20px,-15px) scale(1.05); }
}

.page-hero-inner {
    position:relative; z-index:2;
    max-width:800px; margin:0 auto;
}

.page-eyebrow {
    font-family:'Space Mono',monospace; font-size:0.7rem;
    letter-spacing:0.22em; color:var(--cyan); text-transform:uppercase;
    margin-bottom:0.75rem; display:flex; align-items:center; gap:0.5rem;
}

.page-eyebrow a {
    color:rgba(255,255,255,0.65); text-decoration:none; transition:color 0.2s;
}
.page-eyebrow a:hover { color:var(--cyan); }
.page-eyebrow .sep { opacity:0.4; }

.page-title {
    font-family:'Space Mono',monospace;
    font-size:clamp(2rem,5vw,3.8rem);
    font-weight:700; line-height:1.05; letter-spacing:-0.03em;
    margin-bottom:0.5rem;
}

.page-title .grad {
    background:linear-gradient(100deg, var(--electric), var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    background-clip:text;
}

.page-dates {
    font-family:'Space Mono',monospace; font-size:0.8rem;
    color:var(--electric); letter-spacing:0.1em; margin-bottom:1rem;
}

.page-sub {
    font-size:1.05rem; color:var(--muted);
    line-height:1.75; max-width:600px;
}

/* ---- ARTICLE BODY ---- */
.article-wrap {
    max-width:780px; margin:0 auto;
    padding:4rem 2.5rem 6rem;
}

.article-wrap h2 {
    font-family:'Space Mono',monospace;
    font-size:1.4rem; font-weight:700;
    color:var(--electric); margin:2.5rem 0 0.75rem;
    padding-bottom:0.5rem;
    border-bottom:1px solid rgba(0,170,255,0.15);
    letter-spacing:-0.02em;
}

.article-wrap h3 {
    font-size:1.1rem; font-weight:600; color:var(--white);
    margin:1.75rem 0 0.5rem;
}

.article-wrap p {
    color:var(--muted); line-height:1.85; margin-bottom:1.1rem;
    font-size:1rem;
}

.article-wrap p strong { color:var(--white); font-weight:600; }

.article-wrap em { color:rgba(255,255,255,0.75); font-style:italic; }

.article-wrap a {
    color:var(--cyan); text-decoration:underline;
    text-decoration-color:rgba(0,255,224,0.5);
    transition:color 0.2s;
}

.article-wrap a:hover { color:var(--cyan); }

.article-wrap ul, .article-wrap ol {
    color:var(--muted); padding-left:1.5rem; margin-bottom:1.1rem;
    line-height:1.85;
}

.article-wrap li { margin-bottom:0.4rem; }
.article-wrap li strong { color:var(--white); }

/* Blockquote / lore */
.article-wrap blockquote {
    border-left:3px solid var(--electric);
    padding:1rem 1.5rem;
    background:rgba(0,170,255,0.05);
    border-radius:0 8px 8px 0;
    margin:1.5rem 0;
    color:rgba(255,255,255,0.8);
    font-style:italic;
    line-height:1.8;
}

.article-wrap blockquote cite {
    display:block; margin-top:0.5rem;
    font-family:'Space Mono',monospace; font-size:0.72rem;
    color:var(--muted); font-style:normal; letter-spacing:0.05em;
}

/* Fact / vital stats card */
.fact-card {
    background:var(--card-bg); border:1px solid var(--card-border);
    border-radius:12px; padding:1.5rem 2rem; margin:1.5rem 0;
}

.fact-card h3 {
    font-family:'Space Mono',monospace; font-size:0.72rem;
    letter-spacing:0.18em; color:var(--electric);
    text-transform:uppercase; margin-bottom:1rem;
}

.fact-row {
    display:grid; grid-template-columns:140px 1fr;
    gap:0.35rem 1rem; padding:0.4rem 0;
    border-bottom:1px solid rgba(255,255,255,0.04);
    font-size:0.9rem;
}

.fact-row:last-child { border-bottom:none; }
.fact-label { color:var(--muted); font-weight:500; }
.fact-val { color:var(--white); }

/* Table */
.cb-table {
    width:100%; border-collapse:collapse; margin:1.5rem 0;
    font-size:0.88rem;
}

.cb-table th {
    background:rgba(0,170,255,0.12); color:var(--electric);
    font-family:'Space Mono',monospace; font-size:0.72rem;
    letter-spacing:0.1em; text-transform:uppercase;
    padding:0.75rem 1rem; text-align:left;
    border-bottom:1px solid rgba(0,170,255,0.2);
}

.cb-table td {
    padding:0.7rem 1rem; color:var(--muted);
    border-bottom:1px solid rgba(255,255,255,0.04);
    vertical-align:top; line-height:1.6;
}

.cb-table td strong { color:var(--white); }
.cb-table tr:hover td { background:rgba(0,170,255,0.04); }

/* Citation list */
.citations {
    background:var(--card-bg); border:1px solid var(--card-border);
    border-radius:12px; padding:1.5rem 2rem; margin-top:3rem;
}

.citations h2 { border-bottom:none !important; font-size:0.9rem !important; margin-top:0 !important; }
.citations ol { color:var(--muted); padding-left:1.25rem; font-size:0.85rem; }
.citations li { margin-bottom:0.85rem; line-height:1.6; }
.citations li strong { color:var(--electric); }

/* ---- CARD GRID (hub pages) ---- */
.card-grid {
    display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
    gap:1.5rem; margin-top:3rem;
}

.hub-card {
    background:var(--card-bg); border:1px solid var(--card-border);
    border-radius:14px; padding:1.75rem;
    text-decoration:none; color:var(--white);
    display:flex; flex-direction:column; gap:0.6rem;
    transition:all 0.3s ease; position:relative; overflow:hidden;
}

.hub-card::after {
    content:''; position:absolute; top:0; left:0; right:0; height:2px;
    background:linear-gradient(90deg,var(--electric),var(--cyan));
    opacity:0; transition:opacity 0.3s;
}

.hub-card:hover {
    border-color:rgba(0,170,255,0.35); transform:translateY(-4px);
    box-shadow:var(--glow-card);
}
.hub-card:hover::after { opacity:1; }

.hc-icon { font-size:2rem; line-height:1; }
.hc-title { font-weight:700; font-size:1.05rem; letter-spacing:-0.01em; }
.hc-desc { font-size:0.875rem; color:var(--muted); line-height:1.6; }
.hc-dates { font-family:'Space Mono',monospace; font-size:0.7rem; color:var(--electric); }
.hc-arrow {
    margin-top:auto; padding-top:0.75rem;
    font-size:0.78rem; color:var(--electric);
    font-family:'Space Mono',monospace; letter-spacing:0.05em;
}

/* ---- SHARED UTILITIES ---- */
.divider {
    width:100%; height:1px;
    background:linear-gradient(90deg,transparent,rgba(0,170,255,0.2),transparent);
}

.container { max-width:1100px; margin:0 auto; }

.section-eyebrow {
    font-family:'Space Mono',monospace; font-size:0.7rem;
    letter-spacing:0.22em; color:var(--electric);
    text-transform:uppercase; margin-bottom:0.6rem;
}

.section-title {
    font-size:clamp(1.8rem,3.5vw,2.8rem);
    font-weight:700; letter-spacing:-0.02em; line-height:1.15; margin-bottom:1rem;
}

.section-title .accent {
    background:linear-gradient(90deg,var(--electric),var(--cyan));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent;
    background-clip:text;
}

.section-sub { color:var(--muted); font-size:1rem; line-height:1.75; max-width:580px; }

/* Scroll reveal — base state (hidden) */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(.4,0,.2,1),
                transform 0.7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- FOOTER ---- */
footer {
    background:rgba(0,0,0,0.5);
    border-top:1px solid rgba(255,255,255,0.04);
    padding:1.5rem 2.5rem;
}

.footer-inner {
    max-width:1100px; margin:0 auto;
    display:flex; justify-content:space-between;
    align-items:center; gap:1rem; flex-wrap:wrap;
}

.footer-copy { font-family:'Space Mono',monospace; font-size:0.75rem; color:var(--muted); }
.footer-copy a { color:var(--electric); text-decoration:none; }
.footer-tag { font-size:0.75rem; color:rgba(255,255,255,0.18); }
.footer-disclaimer { font-size:0.72rem; color:rgba(255,255,255,0.28); margin-top:0.3rem; }
.footer-disclaimer a { color:rgba(255,255,255,0.4); text-decoration:none; transition:color 0.2s; }
.footer-disclaimer a:hover { color:var(--electric); }

/* ---- ARTICLE FIGURES ---- */
.article-figure {
    margin: 2rem 0;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--card-bg);
}

.article-figure img {
    width: 100%;
    display: block;
    max-height: 480px;
    object-fit: contain;
    background: #000;
    padding: 0.5rem;
}

.article-figure figcaption {
    padding: 0.65rem 1rem;
    font-size: 0.78rem;
    color: var(--muted);
    font-family: 'Space Mono', monospace;
    letter-spacing: 0.03em;
    border-top: 1px solid var(--card-border);
    line-height: 1.6;
}

.article-figure figcaption strong {
    color: var(--electric);
}

/* ---- NAV JS ---- */
/* (included via shared nav snippet) */

/* ---- MOBILE TOUCH FIXES ---- */
/* Prevent sticky hover states on touch devices */
@media (hover: none) {
    .hub-card:hover { transform: none; box-shadow: none; }
    .hub-card:hover::after { opacity: 0; }
    .topic-card:hover { transform: none; box-shadow: none; }
    .topic-card:hover::after { opacity: 0; }
}

/* Fix grid-column span on single-column mobile layouts */
@media (max-width: 600px) {
    .hub-card { grid-column: span 1 !important; }
}

/* Fallback: ensure reveal always fires on touch/scroll edge cases (prefers-reduced-motion) */
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}