/* ============================================================
   Article page — editorial layout
   Used by articulo-*.html pages
   ============================================================ */

/* HEADER */
.art-header { padding: 140px 0 var(--s-7); border-bottom: 1px solid var(--border); position: relative; }
.art-header-inner { max-width: 840px; margin: 0 auto; padding: 0 24px; }
.art-tag-row { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.art-tag { color: var(--cyan); padding: 4px 12px; border: 1px solid var(--cyan); border-radius: 999px; }
.art-tag-row .art-date { color: var(--fg-3); }
.art-tag-row .art-read { color: var(--fg-3); margin-left: auto; }
.art-h1 { font-family: var(--font-display); font-size: clamp(40px, 5.5vw, 76px); font-weight: 400; letter-spacing: -.025em; line-height: 1.04; color: var(--fg-0); margin: var(--s-5) 0 0; text-wrap: pretty; }
.art-h1 em { font-family: "Cormorant Garamond", "EB Garamond", Georgia, serif; font-style: italic; font-weight: 400; color: var(--cyan); }
.art-lead { font-size: clamp(18px, 1.4vw, 22px); line-height: 1.55; color: var(--fg-1); margin: var(--s-5) 0 0; max-width: 60ch; }
.art-byline { margin-top: var(--s-6); display: flex; align-items: center; gap: 14px; padding-top: var(--s-5); border-top: 1px solid var(--border); }
.art-byline-avatar { width: 44px; height: 44px; border-radius: 50%; background-image: url("assets/doctor-portrait.jpg"); background-size: cover; background-position: 50% 30%; }
.art-byline-name { font-family: var(--font-display); font-size: 15px; font-weight: 500; color: var(--fg-0); }
.art-byline-role { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--fg-3); margin-top: 2px; text-transform: uppercase; }

/* HERO IMAGE */
.art-hero { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.art-hero-img { width: 100%; aspect-ratio: 21/9; object-fit: cover; border-radius: 12px; margin-top: var(--s-7); border: 1px solid var(--border); }
.art-hero-cap { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--fg-3); margin-top: 12px; text-align: center; text-transform: uppercase; }

/* PROSE BODY */
.art-body { max-width: 720px; margin: 0 auto; padding: var(--s-9) 24px; font-size: 18px; line-height: 1.75; color: var(--fg-1); }
.art-body > p { margin: 0 0 var(--s-5); }
.art-body > p:first-of-type::first-letter { font-family: "Cormorant Garamond", Georgia, serif; font-size: 5em; line-height: 0.9; float: left; margin: 6px 12px 0 0; color: var(--cyan); font-weight: 500; }
.art-body h2 { font-family: var(--font-display); font-size: clamp(28px, 2.6vw, 36px); font-weight: 500; letter-spacing: -.015em; margin: var(--s-8) 0 var(--s-5); color: var(--fg-0); }
.art-body h3 { font-family: var(--font-display); font-size: clamp(20px, 1.6vw, 24px); font-weight: 500; margin: var(--s-7) 0 var(--s-3); color: var(--fg-0); }
.art-body strong { color: var(--fg-0); font-weight: 500; }
.art-body a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0,229,255,.3); transition: border-color .2s; }
.art-body a:hover { border-bottom-color: var(--cyan); }
.art-body ul, .art-body ol { margin: var(--s-4) 0 var(--s-5); padding-left: 24px; }
.art-body li { margin: 8px 0; }
.art-body hr { border: 0; height: 1px; background: var(--border); margin: var(--s-7) 0; }

/* PULL QUOTE */
.art-pull { margin: var(--s-7) 0; padding: var(--s-6) var(--s-5) var(--s-6) var(--s-6); border-left: 3px solid var(--cyan); background: linear-gradient(90deg, rgba(0,229,255,.06), transparent 60%); font-family: "Cormorant Garamond", Georgia, serif; font-style: italic; font-size: clamp(22px, 2.2vw, 28px); line-height: 1.45; color: var(--fg-0); }
.art-pull-cite { display: block; margin-top: 14px; font-family: var(--font-mono); font-style: normal; font-size: 11px; letter-spacing: .12em; color: var(--fg-3); text-transform: uppercase; }

/* FIGURE */
.art-fig { margin: var(--s-7) 0; }
.art-fig img { width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.art-fig figcaption { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--fg-3); margin-top: 10px; line-height: 1.5; }

/* INFO BOX */
.art-box { margin: var(--s-6) 0; padding: var(--s-5); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; font-size: 15px; line-height: 1.65; color: var(--fg-2); }
.art-box-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; color: var(--cyan); text-transform: uppercase; margin-bottom: 12px; }

/* COMPARISON TABLE — for ART-02 (OCTA vs FFA) */
.art-table { width: 100%; border-collapse: collapse; margin: var(--s-6) 0; font-size: 14px; }
.art-table th { text-align: left; padding: 14px 12px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; color: var(--fg-3); text-transform: uppercase; border-bottom: 1px solid var(--border-strong); }
.art-table td { padding: 14px 12px; border-bottom: 1px solid var(--border); color: var(--fg-1); vertical-align: top; }
.art-table tr:last-child td { border-bottom: 0; }
.art-table td:first-child { font-family: var(--font-display); color: var(--fg-0); font-weight: 500; }

/* STATS — for ART-03 (AI) */
.art-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); margin: var(--s-7) 0; }
.art-stat { padding: var(--s-5); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; text-align: center; }
.art-stat-num { font-family: var(--font-display); font-size: clamp(36px, 4vw, 56px); font-weight: 400; color: var(--cyan); letter-spacing: -.02em; line-height: 1; }
.art-stat-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; color: var(--fg-3); margin-top: 10px; text-transform: uppercase; }
.art-stat-sub { font-size: 13px; color: var(--fg-2); margin-top: 8px; }
@media (max-width: 720px) { .art-stats { grid-template-columns: 1fr; } }

/* RELATED ARTICLES */
.art-related { padding: var(--s-9) 0; border-top: 1px solid var(--border); background: var(--bg-1); }
.art-related .container { max-width: 1100px; }
.art-related-head { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; color: var(--cyan); text-transform: uppercase; }
.art-related-h2 { font-family: var(--font-display); font-size: clamp(28px, 3vw, 40px); font-weight: 500; margin: var(--s-3) 0 var(--s-6); color: var(--fg-0); letter-spacing: -.02em; }
.art-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
.art-related-card { padding: var(--s-5); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; transition: border-color .2s, transform .2s; display: block; }
.art-related-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.art-related-tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; color: var(--cyan); text-transform: uppercase; }
.art-related-title { font-family: var(--font-display); font-size: 18px; font-weight: 500; color: var(--fg-0); margin-top: 10px; line-height: 1.3; }
@media (max-width: 900px) { .art-related-grid { grid-template-columns: 1fr; } }