:root {
    --bg: #F0F4F8;
    --text: #2C5282;
    --light-text: #718096;
    --card-bg: #FFFFFF;
    --accent: #63B3ED;
    --border: #D1E1F0;
    --emer-text: #E53E3E;
}

* { box-sizing: border-box; }

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    line-height: 1.7;
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none !important; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.8s ease-out forwards; }

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar a {
    margin: 0 12px;
    color: var(--text);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.2s;
}
.navbar a:hover { color: var(--accent); }

.article-wrap {
    max-width: 760px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
    width: 100%;
    flex: 1;
}

.breadcrumb {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-weight: 600;
}
.breadcrumb a { color: var(--accent); }

.article-card {
    background: var(--card-bg);
    border-radius: 28px;
    padding: 3rem;
    box-shadow: 0 15px 40px rgba(44, 82, 130, 0.08);
    border: 1px solid var(--border);
}

.article-card h1 {
    font-size: 2.4rem;
    line-height: 1.15;
    letter-spacing: -1.2px;
    margin: 0 0 1rem;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.2rem;
    align-items: center;
    font-size: 0.85rem;
    color: var(--light-text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}
.meta .author { font-weight: 600; color: var(--text); }
.tag {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--accent);
}

.lead {
    font-size: 1.2rem;
    color: var(--text);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.article-card h2 {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    margin: 2.8rem 0 1rem;
    padding-top: 0.5rem;
}
.article-card h3 {
    font-size: 1.15rem;
    margin: 2rem 0 0.6rem;
    color: var(--text);
}
.article-card p {
    color: var(--light-text);
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 1.4rem;
}
.article-card ul, .article-card ol {
    color: var(--light-text);
    font-size: 1.05rem;
    line-height: 1.8;
    padding-left: 1.4rem;
    margin-bottom: 1.4rem;
}
.article-card li { margin-bottom: 0.6rem; }
.article-card strong { color: var(--text); font-weight: 600; }
.article-card a:not(.btn-pill) { color: var(--accent); font-weight: 600; }
.article-card a:not(.btn-pill):hover { text-decoration: underline !important; }

.callout {
    background: var(--bg);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    margin: 2rem 0;
}
.callout p { margin: 0; color: var(--text); font-size: 0.98rem; }
.callout .callout-title {
    display: block;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.7rem;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.fact-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0 2rem;
    font-size: 0.95rem;
}
.fact-table th, .fact-table td {
    text-align: left;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
}
.fact-table th {
    background: var(--bg);
    color: var(--text);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.fact-table td { color: var(--light-text); }
.fact-table tr:last-child td { border-bottom: none; }

.btn-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--text);
    color: #FFFFFF !important;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: 0.3s;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(44,82,130,0.2);
}
.btn-pill:hover { background: var(--accent); transform: translateY(-3px); }

.end-cta {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border);
}
.end-cta p { color: var(--text); font-weight: 600; font-size: 1.15rem; margin-bottom: 1.5rem; }

.related {
    margin-top: 2.5rem;
}
.related h2 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1.5px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.related-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.3rem;
    transition: 0.2s;
}
.related-card:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(44,82,130,0.08); }
.related-card .r-tag { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); font-weight: 600; }
.related-card .r-title { display: block; font-weight: 600; color: var(--text); margin-top: 5px; font-size: 1rem; line-height: 1.3; }

footer {
    background: #fff;
    padding: 3rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: auto;
}
footer a { color: var(--light-text); margin: 0 8px; font-weight: 600; }
footer a:hover { color: var(--accent); }

@media(max-width: 600px) {
    .article-card { padding: 2rem 1.4rem; border-radius: 20px; }
    .article-card h1 { font-size: 1.9rem; }
    .lead { font-size: 1.1rem; }
    .related-grid { grid-template-columns: 1fr; }
}