/* ORA Journal — public articles (static, crawlable). */

body { background: var(--bg); }
.wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

/* Header */
.jnav { position: sticky; top: 0; z-index: 30; background: rgba(3, 3, 5, 0.72); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.jnav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; }
.jnav .logo svg { height: 20px; }
.jnav__links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.jnav__links a:not(.btn) { color: var(--ink-3); text-decoration: none; transition: color 0.25s ease; }
.jnav__links a:not(.btn):hover, .jnav__links a[aria-current='page'] { color: var(--ink); }
.progress { position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--watch); transform-origin: left; transform: scaleX(var(--p, 0)); box-shadow: 0 0 10px var(--watch); }

/* Index */
.jhero { padding: 96px 0 56px; }
.jhero .label { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.jhero h1 { font: 500 clamp(44px, 6vw, 88px)/0.98 var(--sans); letter-spacing: -0.05em; max-width: 12ch; }
.jhero h1 span { color: rgba(242, 242, 240, 0.42); }
.jhero p { margin-top: 24px; max-width: 54ch; font-size: 17px; line-height: 1.6; color: var(--ink-2); }
.cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; padding: 0; list-style: none; }
.cats button { height: 34px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 99px; background: none; color: var(--ink-3); font-size: 13px; transition: all 0.25s ease; }
.cats button:hover { color: var(--ink); border-color: var(--line-3); }
.cats button[aria-pressed='true'] { color: #0a0a0b; background: var(--ink); border-color: var(--ink); }

.feature { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; color: inherit; text-decoration: none; background: rgba(255, 255, 255, 0.015); transition: border-color 0.3s ease; }
.feature:hover { border-color: var(--line-3); }
.feature__img { position: relative; min-height: 420px; overflow: hidden; }
.feature__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.feature:hover .feature__img img { transform: scale(1.04); }
.feature__body { display: flex; flex-direction: column; gap: 16px; padding: 40px; }
.feature__body h2 { font: 500 clamp(28px, 3vw, 40px)/1.06 var(--sans); letter-spacing: -0.035em; }
.feature__body p { font-size: 15.5px; line-height: 1.6; color: var(--ink-2); }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font: 500 10.5px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-4); }
.meta .cat { color: var(--watch); }
.more { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink); }
.more svg { width: 16px; height: 16px; transition: transform 0.4s var(--ease); }
.feature:hover .more svg, .acard:hover .more svg { transform: translateX(4px); }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 20px; }
.acard { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; color: inherit; text-decoration: none; background: rgba(255, 255, 255, 0.015); transition: border-color 0.3s ease, transform 0.6s var(--ease); }
.acard:hover { border-color: var(--line-3); transform: translateY(-3px); }
.acard__img { aspect-ratio: 16 / 9; overflow: hidden; }
.acard__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.acard:hover .acard__img img { transform: scale(1.04); }
.acard__body { display: flex; flex-direction: column; gap: 12px; padding: 26px 28px 28px; flex: 1; }
.acard h3 { font: 500 24px/1.12 var(--sans); letter-spacing: -0.03em; }
.acard p { font-size: 14.5px; line-height: 1.6; color: var(--ink-3); }
[hidden] { display: none !important; }

.subscribe { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 40px; align-items: center; margin: 96px 0 0; padding: 44px; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(90% 140% at 0% 0%, rgba(143, 211, 255, 0.09), transparent 60%), rgba(255, 255, 255, 0.015); }
.subscribe h2 { font: 500 30px/1.1 var(--sans); letter-spacing: -0.035em; }
.subscribe p { margin-top: 10px; font-size: 14.5px; color: var(--ink-3); line-height: 1.55; }
.subscribe form { display: flex; gap: 10px; }
.subscribe .input { height: 46px; }
.subscribe__msg { grid-column: 1 / -1; min-height: 0; font-size: 13px; color: var(--watch); }

/* Article */
.ahead { padding: 80px 0 36px; }
.crumbs { display: flex; gap: 10px; font-size: 13px; color: var(--ink-4); margin-bottom: 30px; }
.crumbs a { color: var(--ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.ahead h1 { font: 500 clamp(38px, 5vw, 68px)/1.02 var(--sans); letter-spacing: -0.045em; max-width: 18ch; margin: 18px 0 22px; }
.ahead .lede { font-size: 19px; line-height: 1.55; color: var(--ink-2); max-width: 60ch; }
.byline { display: flex; align-items: center; gap: 12px; margin-top: 30px; font-size: 13px; color: var(--ink-3); }
.byline .avatar { width: 34px; height: 34px; background: linear-gradient(135deg, #8fd3ff, #3a6d8c); }
.byline b { color: var(--ink); font-weight: 500; display: block; }

.ahero { margin: 20px 0 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); }
.ahero img { width: 100%; max-height: 560px; object-fit: cover; }
.ahero figcaption, .fig figcaption { padding: 12px 4px 0; font-size: 12.5px; color: var(--ink-4); }

.abody { display: grid; grid-template-columns: 220px minmax(0, 700px); gap: 64px; justify-content: center; padding: 64px 0 40px; }
.toc { position: sticky; top: 100px; align-self: start; }
.toc .label { margin-bottom: 14px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--line); }
.toc a { display: block; padding: 7px 0 7px 14px; margin-left: -1px; border-left: 1px solid transparent; font-size: 13px; line-height: 1.4; color: var(--ink-4); text-decoration: none; transition: color 0.25s ease, border-color 0.25s ease; }
.toc a:hover { color: var(--ink-2); }
.toc a.is-on { color: var(--ink); border-left-color: var(--watch); }

.prose { font-size: 17.5px; line-height: 1.75; color: #d2d5da; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { font: 500 30px/1.15 var(--sans); letter-spacing: -0.03em; color: var(--ink); margin-top: 2.1em; scroll-margin-top: 96px; }
.prose h3 { font: 500 21px/1.25 var(--sans); letter-spacing: -0.02em; color: var(--ink); margin-top: 1.8em; }
.prose a { color: var(--ink); text-decoration-color: var(--line-3); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 500; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li + li { margin-top: 0.45em; }
.prose li::marker { color: var(--ink-4); }
.prose blockquote { margin: 1.8em 0; padding: 4px 0 4px 26px; border-left: 2px solid var(--watch); font: 500 24px/1.35 var(--sans); letter-spacing: -0.02em; color: var(--ink); }
.callout { padding: 22px 24px; border: 1px solid var(--line-2); border-radius: 16px; background: rgba(255, 255, 255, 0.025); font-size: 15.5px; line-height: 1.65; }
.callout .label { display: block; margin-bottom: 10px; color: var(--watch); }
.callout ul { margin: 0; }
.fig { margin: 2em 0; }
.fig img { width: 100%; border-radius: 16px; border: 1px solid var(--line); }
.fig--grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.fig--grid img { aspect-ratio: 1; object-fit: cover; border-radius: 12px; }
.fig--grid figcaption { grid-column: 1 / -1; }
.defs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 1.6em 0; }
.defs div { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; }
.defs b { display: flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 500; font-size: 15px; }
.defs span { display: block; margin-top: 6px; font-size: 14px; line-height: 1.55; color: var(--ink-3); }
.defs i { width: 8px; height: 8px; border-radius: 50%; }

.cta { margin: 40px auto 0; max-width: 1000px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 40px 44px; border-radius: 24px; border: 1px solid var(--line-2); background: radial-gradient(100% 160% at 100% 0%, rgba(143, 211, 255, 0.12), transparent 60%), rgba(255, 255, 255, 0.02); }
.cta h2 { font: 500 30px/1.1 var(--sans); letter-spacing: -0.035em; }
.cta p { margin-top: 8px; font-size: 15px; color: var(--ink-3); }
.related { padding: 80px 0 0; }
.related > .label { margin-bottom: 20px; }

/* Footer */
.jfoot { margin-top: 100px; border-top: 1px solid var(--line); }
.jfoot .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 30px 0 40px; font-size: 13px; color: var(--ink-4); }
.jfoot nav { display: flex; gap: 22px; }
.jfoot a { color: var(--ink-3); text-decoration: none; }
.jfoot a:hover { color: var(--ink); }

/* Entrance */
.in { opacity: 0; transform: translateY(16px); animation: in 1s var(--ease) forwards; animation-delay: calc(var(--d, 0) * 90ms + 80ms); }
@keyframes in { to { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .feature { grid-template-columns: 1fr; }
  .feature__img { min-height: 260px; }
  .feature__body { padding: 28px; }
  .grid { grid-template-columns: 1fr; }
  .abody { grid-template-columns: 1fr; gap: 0; padding-top: 40px; }
  .toc { display: none; }
  .subscribe, .cta { grid-template-columns: 1fr; flex-direction: column; align-items: flex-start; padding: 28px; }
  .subscribe form { flex-direction: column; }
  .jnav__links a.hide-s { display: none; }
  .prose { font-size: 16.5px; }
  .defs { grid-template-columns: 1fr; }
  .fig--grid { grid-template-columns: 1fr 1fr; }
  .jhero { padding: 64px 0 40px; }
}