/* News detail "blueprint editorial" with social share (2026-10-30). Plain CSS, prefix na-. */

.na {
    --na-orange: #ff632a;
    --na-orange-d: #e85520;
    --na-ink: #15191e;
    --na-text: #4b5563;
    --na-muted: #8a939c;
    --na-paper: #f6f3ee;
    --na-line: rgba(21, 25, 30, .1);
    --na-cond: 'Barlow Condensed', 'Noto Sans Lao', 'Noto Sans SC', sans-serif;
    --na-ease: cubic-bezier(.2, .7, .2, 1);
}

.na-wrap { width: 100%; max-width: 64rem; margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 640px) { .na-wrap { padding: 0 2rem; } }

.na-progress { position: fixed; left: 0; top: 0; z-index: 70; width: 100%; height: 3px; background: var(--na-orange); transform: scaleX(0); transform-origin: left; pointer-events: none; }

/* hero */
.na-hero { position: relative; padding: 9rem 0 9rem; background: var(--na-ink); color: #fff; overflow: hidden; }
.na-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(40rem 26rem at 100% 0, rgba(255, 99, 42, .22), transparent 70%); }
.na-hero-grid { position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px); background-size: 64px 64px; -webkit-mask-image: linear-gradient(180deg, #000 0, transparent 95%); mask-image: linear-gradient(180deg, #000 0, transparent 95%); }
.na-hero .na-wrap { position: relative; z-index: 1; }

.na-crumbs { display: flex; gap: .55rem; margin-bottom: 1.6rem; font-size: .85rem; color: rgba(255, 255, 255, .5); }
.na-crumbs a { color: rgba(255, 255, 255, .65); text-decoration: none; }
.na-crumbs a:hover { color: var(--na-orange); }

.na-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem 1rem; margin-bottom: 1.1rem; }
.na-meta time { font-family: var(--na-cond); font-size: 1.1rem; font-weight: 600; letter-spacing: .05em; color: rgba(255, 255, 255, .7); }
.na-tag { padding: .22rem .65rem; border-radius: .25rem; background: var(--na-orange); color: #fff; font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.na-tag--csr { background: #1f7a4d; }
.na-sub { padding-left: 1rem; border-left: 2px solid var(--na-orange); color: #fff; font-size: .88rem; font-weight: 600; text-decoration: none; }
.na-sub:hover { color: var(--na-orange); }

body.antialiased h1.na-h1 { max-width: 54rem; margin: 0; font-size: clamp(1.75rem, 3.7vw, 3rem); line-height: 1.4; font-weight: 800; letter-spacing: -.015em; color: #fff; overflow-wrap: anywhere; }
body.antialiased section p.na-lead { max-width: 46rem; margin: 1.1rem 0 0; font-size: 1.08rem; line-height: 1.85; color: rgba(255, 255, 255, .72); }

@media (prefers-reduced-motion: no-preference) {
    .na-crumbs, .na-meta, .na-h1, .na-lead, .na-cover { animation: na-up .8s var(--na-ease) both; }
    .na-meta { animation-delay: .06s; }
    .na-h1 { animation-delay: .12s; }
    .na-lead { animation-delay: .2s; }
    .na-cover { animation-delay: .28s; }
}
@keyframes na-up { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

/* body */
.na-body { position: relative; padding: 0 0 5rem; background: #fff; }
.na-cover { position: relative; z-index: 2; margin: -6.5rem auto 3.25rem; border-radius: .6rem; overflow: hidden; background: #e2ddd5; box-shadow: 0 30px 60px rgba(21, 25, 30, .24); }
.na-cover--small { max-width: 44rem; }
.na-cover img { display: block; width: 100%; height: auto; }

.na-layout { display: grid; grid-template-columns: 3rem minmax(0, 46rem); justify-content: center; gap: 2.5rem; }

/* share rail */
.na-rail { position: sticky; top: 6.5rem; align-self: start; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.na-rail-l { margin-bottom: .2rem; font-family: var(--na-cond); font-size: .82rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--na-muted); }

.na-s { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; padding: 0; border: 1px solid var(--na-line); border-radius: 50%; background: #fff; color: var(--na-ink); cursor: pointer; text-decoration: none; transition: background .18s, border-color .18s, color .18s, transform .18s var(--na-ease); }
.na-s svg { width: 1.05rem; height: 1.05rem; }
.na-s:hover { transform: translateY(-2px); background: var(--na-ink); border-color: var(--na-ink); color: #fff; }
.na-s--fb:hover { background: #1877f2; border-color: #1877f2; }
.na-s--wa:hover { background: #25d366; border-color: #25d366; }
.na-s--tg:hover { background: #229ed9; border-color: #229ed9; }
.na-s--in:hover { background: #0a66c2; border-color: #0a66c2; }
.na-s.is-ok { background: #1f7a4d; border-color: #1f7a4d; color: #fff; }
.na-s:focus-visible, .na-sb:focus-visible { outline: 2px solid var(--na-orange); outline-offset: 2px; }

@media (max-width: 860px) {
    .na-layout { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
    .na-rail { position: static; flex-direction: row; flex-wrap: wrap; padding-bottom: 1.25rem; border-bottom: 1px solid var(--na-line); }
    .na-rail-l { margin: 0 .35rem 0 0; }
}

/* share box */
.na-sharebox { margin-top: 3rem; padding: 1.5rem; border-left: 4px solid var(--na-orange); border-radius: .5rem; background: var(--na-paper); }
.na-sharebox-t { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; color: var(--na-ink); font-size: 1.05rem; }
.na-sharebox-t b { font-weight: 800; }
.na-copied { font-size: .82rem; font-weight: 600; color: #1f7a4d; }
.na-sharebox-btns { display: flex; flex-wrap: wrap; gap: .5rem; }

.na-sb { display: inline-flex; align-items: center; gap: .5rem; min-height: 2.6rem; padding: 0 .95rem; border: 1px solid var(--na-line); border-radius: .4rem; background: #fff; color: var(--na-ink); font-size: .88rem; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .18s, border-color .18s, color .18s; }
.na-sb svg { width: 1rem; height: 1rem; flex: none; }
.na-sb:hover { background: var(--na-ink); border-color: var(--na-ink); color: #fff; }
.na-sb--fb { background: #1877f2; border-color: #1877f2; color: #fff; }
.na-sb--fb:hover { background: #1464cc; border-color: #1464cc; }
.na-sb--wa:hover { background: #25d366; border-color: #25d366; }
.na-sb--tg:hover { background: #229ed9; border-color: #229ed9; }
.na-sb--in:hover { background: #0a66c2; border-color: #0a66c2; }
.na-sb--native { background: var(--na-orange); border-color: var(--na-orange); color: #fff; }

.na-back { display: inline-flex; align-items: center; gap: .5rem; margin-top: 2rem; padding-bottom: .2rem; border-bottom: 2px solid var(--na-orange); color: var(--na-ink); font-weight: 700; text-decoration: none; transition: color .2s, gap .2s; }
.na-back svg { width: 1.1rem; height: 1.1rem; color: var(--na-orange); }
.na-back:hover { color: var(--na-orange-d); gap: .8rem; }

/* related */
.na-rel { padding: 5rem 0; background: var(--na-paper); }
.na-rel .na-wrap { max-width: 80rem; }
body.antialiased section h2.na-rel-h { margin: 0 0 2rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--na-line); font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.3; font-weight: 800; color: var(--na-ink); }
.na-rel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.75rem; }
@media (max-width: 900px) { .na-rel-grid { grid-template-columns: minmax(0, 1fr); } .na-rel { padding: 3.5rem 0 4rem; } }

.na-card { position: relative; display: flex; flex-direction: column; border-radius: .5rem; overflow: hidden; background: #fff; color: var(--na-ink); text-decoration: none; box-shadow: 0 1px 0 var(--na-line), 0 4px 14px rgba(21, 25, 30, .05); transition: transform .35s var(--na-ease), box-shadow .35s var(--na-ease); }
.na-card::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: var(--na-orange); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--na-ease); }
.na-card:hover { transform: translateY(-5px); box-shadow: 0 26px 50px rgba(21, 25, 30, .16); }
.na-card:hover::after { transform: scaleX(1); }
.na-card-img { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #e2ddd5; }
.na-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--na-ease); }
.na-card:hover .na-card-img img { transform: scale(1.07); }
.na-card-b { display: flex; flex-direction: column; gap: .4rem; flex: 1; padding: 1.15rem 1.3rem 1.3rem; }
.na-card-b time { font-family: var(--na-cond); font-size: 1rem; font-weight: 600; letter-spacing: .05em; color: var(--na-muted); }
body.antialiased section h3.na-card-t { margin: 0; font-size: 1.05rem; line-height: 1.6; font-weight: 800; color: var(--na-ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.na-card:hover h3.na-card-t { color: var(--na-orange-d); }
.na-card-m { display: inline-flex; align-items: center; gap: .4rem; margin-top: auto; padding-top: .6rem; font-size: .86rem; font-weight: 700; }
.na-card-m svg { width: 1rem; height: 1rem; color: var(--na-orange); }

@media (max-width: 768px) {
    .na-hero { padding: 7rem 0 7.5rem; }
    .na-cover { margin-top: -5.5rem; margin-bottom: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .na-card, .na-card::after, .na-card-img img, .na-s { transition: none; }
}