@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=Outfit:wght@500;600;700&display=swap');

/* iTelevo editorial — Charcoal Blue. Reading surface is a softened
   obsidian with generous measure (~68ch) and 1.8 leading. */
:root {
  --ed-bg: #0f1217;
  --ed-panel: #171c24;
  --ed-panel-2: #1d232c;
  --ed-text: #eceff3;
  --ed-body: #c9d0da;
  --ed-muted: #97a3b3;
  --ed-line: rgba(150,175,210,.18);
  --ed-cyan: #8fb4e3;
  --ed-violet: #6c8fc4;
  --ed-aurora: linear-gradient(120deg, #8fb4e3, #7fa3d6 62%, #6c8fc4);
}
*, *::before, *::after { box-sizing: border-box; }
.editorial-body {
  margin: 0; min-width: 320px; min-height: 100dvh;
  display: flex; flex-direction: column;
  color: var(--ed-body); background: radial-gradient(ellipse 70% 40% at 80% -5%, rgba(90,120,170,.14), transparent 70%), var(--ed-bg);
  font: 400 1.0625rem/1.75 "DM Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
.editorial-body a { color: inherit; text-decoration: none; }
.editorial-body img { display: block; max-width: 100%; height: auto; }
.editorial-body a:focus-visible { outline: 2px solid var(--ed-cyan); outline-offset: 3px; border-radius: 3px; }
.editorial-body h1, .editorial-body h2, .editorial-body h3, .editorial-body h4 {
  font-family: "Outfit", "DM Sans", sans-serif; color: var(--ed-text); letter-spacing: -.035em; line-height: 1.12; margin: 0;
}

/* Header */
.editorial-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 16px max(20px, calc((100% - 1200px) / 2));
  background: rgba(7, 9, 19, .92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ed-line);
}
.editorial-header::after { content: ""; position: absolute; left: max(20px, calc((100% - 1200px) / 2)); bottom: -1px; width: 90px; height: 1px; background: var(--ed-aurora); }
.editorial-header .logo {
  display: inline-flex; align-items: center; gap: 12px;
  font: 700 1.5rem/1 "Outfit", sans-serif; letter-spacing: -.05em; color: var(--ed-text);
}
.editorial-header .logo img { width: 156px; height: auto; }
.editorial-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 24px; font-size: .88rem; font-weight: 700; }
.editorial-header nav a { color: #bcc5d2; padding: 6px 0; transition: color .2s; }
.editorial-header nav a:hover, .editorial-header nav a[aria-current] { color: var(--ed-cyan); }

/* Main + index */
.editorial-main { flex: 1; width: min(100% - 40px, 1200px); margin: 0 auto; padding: clamp(40px, 6vw, 88px) 0 clamp(60px, 8vw, 120px); }
.editorial-intro { max-width: 760px; margin-bottom: clamp(36px, 5vw, 68px); }
.editorial-intro h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); font-weight: 600; }
.editorial-intro p { margin: 20px 0 0; font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ed-muted); max-width: 60ch; }
.eyebrow { display: block; margin-bottom: 18px; color: #a9c6ee; font-size: .72rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.editorial-skip { position: absolute; top: 0; left: 20px; z-index: 100; padding: 12px 20px; background: var(--ed-panel); transform: translateY(-110%); }
.editorial-skip:focus { transform: translateY(0); }
.editorial-count { display: block; margin-top: 16px; font-size: .85rem; color: var(--ed-muted); }
.blog-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: -14px 0 30px; }
.blog-filters a { padding: 9px 16px; border: 1px solid var(--ed-line); border-radius: 24px; color: var(--ed-muted); font-size: .85rem; }
.blog-filters a[aria-current], .blog-filters a:hover { border-color: var(--ed-cyan); color: var(--ed-cyan); background: rgba(143,180,227,.05); }
.editorial-disclosure, .article-note { padding: 24px; margin-top: 40px; border: 1px solid var(--ed-line); border-radius: 12px; color: var(--ed-muted); font-size: .9rem; line-height: 1.75; }
.editorial-disclosure h2 { font-size: 1.2rem; color: var(--ed-text); }

.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.article-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: linear-gradient(155deg, var(--ed-panel-2), var(--ed-panel));
  border: 1px solid var(--ed-line); border-radius: 12px;
  transition: transform .25s ease, border-color .25s ease;
}
.article-card:hover { transform: translateY(-4px); border-color: rgba(143,180,227, .5); }
.article-card:first-child { grid-column: span 2; }
.article-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-bottom: 1px solid var(--ed-line); }
.article-card-copy { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 24px 26px 28px; }
.article-card-copy .category, .article-category { color: #a9c6ee; font-size: .7rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.article-card-copy h2 { font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 600; }
.article-card:first-child h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.article-card-copy p { margin: 0; color: var(--ed-muted); font-size: .96rem; line-height: 1.65; }
.article-card-copy .read-link, .article-card-copy > a:last-child { margin-top: auto; padding-top: 6px; color: var(--ed-text); font-weight: 700; font-size: .88rem; }
.article-read-time { color: var(--ed-muted); font-size: .8rem; }
.article-card-copy .read-link::after { content: " \2192"; color: var(--ed-cyan); }

/* Article page */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 4px 10px; margin: 0 0 28px; padding: 0; list-style: none; font-size: .82rem; color: var(--ed-muted); }
.breadcrumb li + li::before { content: "/"; margin-right: 10px; opacity: .5; }
.breadcrumb a:hover { color: var(--ed-cyan); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: clamp(32px, 5vw, 80px); align-items: start; }
.article-main { min-width: 0; max-width: 760px; }
.article-title h1 { font-size: clamp(2.2rem, 5vw, 3.9rem); font-weight: 600; line-height: 1.08; margin-top: 14px; }
.article-title > p { color: var(--ed-muted); font-size: 1.12rem; line-height: 1.7; margin-top: 22px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 20px 0 0; color: var(--ed-muted); font-size: .86rem; }
.article-mobile-toc { display: none; }
.article-cover { margin: 32px 0 0; }
.article-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 12px; border: 1px solid var(--ed-line); }
.article-cover figcaption { margin-top: 10px; color: var(--ed-muted); font-size: .76rem; }

.article-content { margin-top: 40px; font-size: clamp(1.06rem, 1.3vw, 1.16rem); line-height: 1.82; color: var(--ed-body); overflow-wrap: break-word; }
.article-content > * { max-width: 68ch; }
.article-content p { margin: 0 0 1.35em; }
.article-content h2 { margin: 2.1em 0 .6em; font-size: clamp(1.65rem, 3vw, 2.15rem); font-weight: 600; scroll-margin-top: 100px; padding-top: .6em; border-top: 1px solid var(--ed-line); }
.article-content h3 { margin: 1.8em 0 .5em; font-size: clamp(1.28rem, 2.2vw, 1.5rem); font-weight: 600; scroll-margin-top: 100px; }
.article-content ul, .article-content ol { margin: 0 0 1.5em; padding-left: 1.4em; }
.article-content li { margin-bottom: .55em; padding-left: .3em; }
.article-content li::marker { color: var(--ed-cyan); font-weight: 700; }
.article-content strong { color: var(--ed-text); }
.article-content a { color: #a9c6ee; text-decoration: underline; text-decoration-color: rgba(143,180,227, .4); text-underline-offset: 3px; }
.article-content a:hover { text-decoration-color: var(--ed-cyan); }
.article-content blockquote { margin: 1.8em 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--ed-violet); color: var(--ed-text); }
.article-content code { padding: 2px 6px; border-radius: 4px; background: var(--ed-panel-2); font-size: .9em; }
.article-content table { width: 100%; border-collapse: collapse; margin: 0 0 1.5em; font-size: .94rem; }
.article-content th, .article-content td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--ed-line); }

.article-toc {
  position: sticky; top: 96px; padding: 22px 22px 20px; font-size: .88rem;
  background: var(--ed-panel); border: 1px solid var(--ed-line); border-radius: 10px;
}
.article-toc h2, .article-toc strong { display: block; margin: 0 0 12px; color: #a9c6ee; font: 800 .7rem "DM Sans", sans-serif; letter-spacing: .18em; text-transform: uppercase; }
.article-toc ol, .article-toc ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.article-toc a { display: block; padding: 6px 0 6px 12px; border-left: 2px solid var(--ed-line); color: #b3bccb; line-height: 1.4; transition: color .2s, border-color .2s; }
.article-toc a:hover { color: var(--ed-text); border-left-color: var(--ed-cyan); }
.article-toc-cta { margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--ed-line); }
.article-toc-cta h3 { font-size: 1.05rem; margin-bottom: 10px; }
.article-toc-cta p { color: var(--ed-muted); font-size: .85rem; line-height: 1.6; }
.article-toc-cta > a { margin-top: 14px; color: var(--ed-cyan); }

.article-related { grid-column: 1 / -1; margin-top: clamp(40px, 6vw, 80px); padding-top: 36px; border-top: 1px solid var(--ed-line); }
.article-related h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 22px; }
.article-related .article-card:first-child { grid-column: auto; }
.article-related .article-card:first-child h2 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
.article-related ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.article-related li a, .article-related > a {
  display: block; height: 100%; padding: 20px 22px; font-weight: 700; color: var(--ed-text);
  background: linear-gradient(155deg, var(--ed-panel-2), var(--ed-panel)); border: 1px solid var(--ed-line); border-radius: 10px; transition: border-color .2s, transform .2s;
}
.article-related li a:hover { border-color: rgba(143,180,227, .5); transform: translateY(-2px); }

/* Footer */
.editorial-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 30px;
  padding: 34px max(20px, calc((100% - 1200px) / 2)) 40px;
  background: #0b0e12; border-top: 1px solid var(--ed-line); color: var(--ed-muted); font-size: .86rem;
}
.editorial-footer p { margin: 0; }
.editorial-footer a:hover { color: var(--ed-cyan); }
.editorial-footer nav, .editorial-footer ul { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0; padding: 0; list-style: none; }

@media (max-width: 960px) {
  .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .article-toc { display: none; }
  .article-mobile-toc { display: block; padding: 16px 20px; margin-top: 24px; border: 1px solid var(--ed-line); border-radius: 10px; background: var(--ed-panel); }
  .article-mobile-toc summary { cursor: pointer; color: var(--ed-cyan); font-weight: 700; font-size: .9rem; }
  .article-mobile-toc ol { padding-left: 20px; color: var(--ed-muted); font-size: .9rem; line-height: 1.7; }
  .article-mobile-toc li { margin: 9px 0; }
  .article-related ul { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .editorial-body { font-size: 1rem; }
  .editorial-header { padding-block: 12px; }
  .editorial-header nav { gap: 4px 16px; font-size: .82rem; }
  .article-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .article-card:first-child { grid-column: auto; }
  .article-card-copy { padding: 20px; }
  .article-content { margin-top: 28px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }