:root {
    --bg-color: #05090F;
    --text-color: #E0E8F0;
    --text-muted: #7FA1BB;
    --border-color: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(25, 38, 56, 0.82);
    --accent-lime: #C8D400;
    --accent-teal-glow: rgba(11, 74, 82, 0.6);
    --sign-tile-bg: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}
.bg-glow {
    position: absolute; width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent-teal-glow) 0%, rgba(5, 9, 15, 0) 70%);
    top: -180px; left: -180px; border-radius: 50%; z-index: -1; filter: blur(80px);
}
.bg-glow-2 {
    position: absolute; width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(200, 212, 0, 0.12) 0%, rgba(5, 9, 15, 0) 70%);
    bottom: 10%; right: -120px; border-radius: 50%; z-index: -1; filter: blur(80px);
}
header.site-header {
    padding: 1.25rem 5%;
    display: flex; justify-content: space-between; align-items: center;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 100;
    background-color: rgba(5, 9, 15, 0.85);
}
.logo {
    font-size: 1.35rem; font-weight: 700;
    display: flex; align-items: center; gap: 0.75rem;
    color: var(--text-color); text-decoration: none;
}
.logo span {
    background: linear-gradient(to right, var(--text-color), var(--accent-lime));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
nav a {
    color: var(--text-muted); text-decoration: none;
    margin-left: 1.5rem; font-weight: 500; font-size: 0.95rem;
    transition: color 0.2s ease;
}
nav a:hover { color: var(--accent-lime); }
main {
    flex: 1; width: 100%; max-width: 760px;
    margin: 0 auto; padding: 3rem 5% 4rem;
}
main.blog-hub { max-width: 960px; }
.breadcrumb { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-lime); }
.eyebrow {
    display: inline-block;
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--accent-lime);
    margin-bottom: 0.75rem;
}
.article-hero h1 {
    font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.2; font-weight: 700; margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 45%, var(--accent-lime));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.article-hero .lede { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 2rem; }
.article-card {
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 1.25rem; padding: 2rem 1.75rem;
    backdrop-filter: blur(16px); margin-bottom: 2rem;
}
.article-card h2 { font-size: 1.45rem; margin-bottom: 0.85rem; font-weight: 700; }
.article-card h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; font-weight: 700; color: #fff; }
.article-card p, .article-card li { color: var(--text-muted); margin-bottom: 1rem; }
.article-card p:last-child, .article-card li:last-child { margin-bottom: 0; }
.article-card ul, .article-card ol { padding-left: 1.25rem; margin-bottom: 1rem; }
.article-card li { margin-bottom: 0.55rem; }
.article-card a { color: var(--accent-lime); text-decoration: none; }
.article-card a:hover { text-decoration: underline; }
.article-card strong { color: #fff; font-weight: 600; }
.callout {
    margin: 1.25rem 0 0;
    padding: 1rem 1.15rem;
    border-left: 3px solid var(--accent-lime);
    background: rgba(200, 212, 0, 0.08);
    border-radius: 0 0.75rem 0.75rem 0;
}
.callout p { margin-bottom: 0; color: var(--text-color); }
.article-card .note {
    font-size: 0.95rem;
    color: var(--text-muted);
    border-left: 3px solid var(--accent-lime);
    padding-left: 1rem;
    margin-top: 1.25rem;
}
.sign-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1.25rem 0 0.5rem;
}
.sign-tile {
    background: var(--sign-tile-bg);
    border-radius: 0.85rem;
    padding: 0.85rem;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.12);
}
.sign-tile img {
    width: 100%;
    max-height: 110px;
    object-fit: contain;
    display: block;
    margin: 0 auto 0.65rem;
}
.sign-tile figcaption {
    font-size: 0.8rem;
    color: #334;
    line-height: 1.35;
    font-weight: 500;
}
.illustration-needed {
    margin: 1.25rem 0 0.25rem;
    padding: 1.15rem 1.25rem;
    border: 1px dashed rgba(200, 212, 0, 0.45);
    border-radius: 0.85rem;
    background: rgba(200, 212, 0, 0.06);
}
.illustration-needed p { margin-bottom: 0.5rem; color: var(--text-muted); }
.illustration-needed p:last-child { margin-bottom: 0; }
.illustration-needed strong { color: var(--accent-lime); }
.article-figure {
    margin: 1.5rem 0 0.5rem;
    padding: 0;
    max-width: none;
    width: 100%;
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
    background: transparent;
}
.article-figure img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 0.75rem;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}
.article-figure figcaption {
    padding: 0.75rem 0 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.45;
    text-align: left;
}
.cta-box {
    text-align: center; background: var(--card-bg);
    border: 1px solid var(--border-color); border-radius: 1.25rem;
    padding: 2rem 1.5rem; margin: 2.5rem 0;
}
.cta-box h2 { font-size: 1.4rem; margin-bottom: 0.6rem; }
.cta-box p { color: var(--text-muted); margin-bottom: 1.5rem; }
.store-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.store-btn img {
    height: 48px; width: auto; max-width: 160px; display: block;
    transition: transform 0.25s ease, filter 0.25s ease;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
}
.store-btn:hover img {
    transform: translateY(-3px) scale(1.04);
    filter: drop-shadow(0 8px 18px rgba(200, 212, 0, 0.28));
}
.related { margin-top: 1rem; }
.related h2 { font-size: 1.2rem; margin-bottom: 1rem; }
.related ul { list-style: none; display: grid; gap: 0.75rem; }
.related a {
    display: block; padding: 1rem 1.15rem; background: var(--card-bg);
    border: 1px solid var(--border-color); border-radius: 0.85rem;
    color: var(--text-color); text-decoration: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.related a:hover { border-color: var(--accent-lime); background: rgba(35, 52, 75, 0.88); }
.related a span { display: block; font-size: 0.9rem; color: var(--text-muted); margin-top: 0.25rem; font-weight: 400; }
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}
.blog-card {
    display: block;
    padding: 1.5rem 1.35rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1.15rem;
    text-decoration: none;
    color: var(--text-color);
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.blog-card:hover { border-color: var(--accent-lime); transform: translateY(-2px); }
.blog-card h2 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.blog-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0.85rem; }
.blog-card .read-more { color: var(--accent-lime); font-weight: 600; font-size: 0.9rem; }
footer {
    text-align: center; padding: 2.5rem 5%;
    border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.9rem;
}
footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--accent-lime); }
footer .footer-links { margin-top: 1rem; display: flex; justify-content: center; flex-wrap: wrap; gap: 1.25rem; }
@media (max-width: 700px) {
    nav a.nav-hide-sm { display: none; }
    .article-card { padding: 1.5rem 1.25rem; }
    .sign-grid { grid-template-columns: repeat(2, 1fr); }
}