@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/inter-400.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/inter-600.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/inter-700.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 800; font-display: swap; src: url('/fonts/inter-800.woff2') format('woff2'); }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
}
a { color: var(--primary-light); }
a:hover { text-decoration: none; }
.site-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem max(1.25rem, calc((100% - 1060px) / 2));
    background: rgba(10,10,26,0.92);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    backdrop-filter: blur(16px);
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-link {
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
}
.lang-link {
    padding: 0.35rem 0.7rem;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
}
.article-hero {
    position: relative;
    overflow: hidden;
    padding: 7rem 1.5rem 5rem;
    text-align: center;
}
.article-hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    top: -360px;
    left: calc(50% - 300px);
    background: radial-gradient(circle, rgba(0,150,136,0.22), transparent 70%);
    pointer-events: none;
}
.eyebrow {
    position: relative;
    display: inline-block;
    margin-bottom: 1.2rem;
    color: var(--primary-light);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
h1 {
    position: relative;
    max-width: 900px;
    margin: 0 auto 1.4rem;
    font-size: clamp(2.3rem, 6vw, 4.6rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}
.lead {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}
.article {
    width: min(760px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 1rem 0 5rem;
}
.article h2 {
    margin: 3.6rem 0 1rem;
    font-size: clamp(1.55rem, 3vw, 2.1rem);
    line-height: 1.25;
    letter-spacing: -0.025em;
}
.article h3 { margin-top: 2rem; font-size: 1.16rem; }
.article p, .article li { color: #c5c5d1; }
.article ul { padding-left: 1.2rem; }
.article li + li { margin-top: 0.55rem; }
.example {
    margin: 2rem 0;
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(0,206,201,0.24);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0,150,136,0.12), rgba(255,255,255,0.025));
}
.example strong { color: var(--text); }
.faq {
    margin-top: 1rem;
    padding: 1.25rem 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.faq h3 { margin: 0 0 0.5rem; }
.faq p { margin: 0; }
.related {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 1.25rem;
}
.related a {
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
}
.related a:hover { border-color: rgba(0,206,201,0.35); }
.cta {
    margin-top: 4rem;
    padding: 2.4rem;
    border: 1px solid rgba(0,206,201,0.24);
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0,150,136,0.14), rgba(255,255,255,0.03));
    text-align: center;
}
.cta h2 { margin-top: 0; }
.cta p { max-width: 540px; margin: 0 auto 1.5rem; }
.cta-button {
    display: inline-block;
    padding: 0.8rem 1.35rem;
    border-radius: 999px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    text-decoration: none;
}
.site-footer {
    padding: 2.5rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
}
.site-footer nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 1.2rem; }
.site-footer a { color: var(--text-muted); font-size: 0.82rem; text-decoration: none; }

@media (max-width: 640px) {
    .nav-actions .nav-link { display: none; }
    .article-hero { padding-top: 5rem; }
    .related { grid-template-columns: 1fr; }
    .cta { padding: 2rem 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}