/* ── Shared components used by home + partner ── */

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 58px; border: 1px solid rgba(255,255,255,.18); }
.pillar { position: relative; min-height: 430px; padding: 32px; border-right: 1px solid rgba(255,255,255,.18); display: flex; flex-direction: column; transition: background .3s, color .3s; overflow: hidden; }
.pillar:last-child { border: 0; }
.pillar:hover { background: var(--teal-bright); color: var(--ink); }
.pillar:hover h3 { color: var(--ink); }
.pillar-index { font: 11px var(--font-mono); color: var(--teal-bright); }
.pillar:hover .pillar-index { color: var(--ink); }
.pillar h3 { margin: auto 0 20px; font: 400 clamp(2.5rem, 4vw, 4.7rem)/.98 var(--font-display); text-transform: uppercase; color: var(--white); }
.pillar p { margin: 0; color: rgba(255,255,255,.64); }
.pillar:hover p { color: rgba(13,14,43,.75); }
.pillar:hover .zh, .event-panel .zh { color: var(--ink); }

.story-head { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; gap: clamp(40px, 7vw, 96px); margin-bottom: 54px; }
.story-head .lede { margin: 0; }
.feature-story { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); min-height: 620px; background: var(--ink); color: var(--white); overflow: hidden; }
.feature-story + .feature-story { margin-top: 24px; }
.feature-media { position: relative; min-height: 440px; overflow: hidden; }
.feature-media::after { content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E"); position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; background: rgba(13,14,43,.72); transform: translate(-50%, -50%); transition: transform .25s, background .25s; }
.feature-media:hover::after { background: var(--teal-bright); color: var(--ink); transform: translate(-50%, -50%) scale(1.08); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s, opacity .4s; }
.feature-story:hover img { transform: scale(1.025); }
.feature-video-preview { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; opacity: 0; pointer-events: none; transition: opacity .4s; z-index: 1; }
.feature-media.preview-active img { opacity: 0; transform: scale(1); }
.feature-media.preview-active .feature-video-preview { opacity: 1; }
.feature-media.preview-active::after { opacity: 0; }
.feature-content { padding: clamp(32px, 5vw, 72px); display: flex; flex-direction: column; justify-content: center; gap: 28px; }
.feature-date { font: 10px var(--font-mono); letter-spacing: .12em; color: var(--teal-bright); text-transform: uppercase; }
.feature-content h3 { margin: 30px 0 20px; font: 400 clamp(2.6rem, 5vw, 5.4rem)/.98 var(--font-display); text-transform: uppercase; }
.feature-content p { color: rgba(255,255,255,.67); }
.feature-link { display: inline-block; margin-top: 16px; color: var(--teal-bright); font: 500 11px var(--font-mono); text-decoration: none; text-transform: uppercase; }
.feature-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.16); text-align: center; }
.feature-stat b { display: block; color: var(--teal-bright); font: 400 2.3rem var(--font-display); }
.feature-stat span { font-size: 10px; color: rgba(255,255,255,.55); text-transform: uppercase; }
.feature-story.reverse .feature-media { order: 2; }

.partners { overflow: hidden; padding-block: clamp(48px, 6vw, 80px); border-block: 1px solid var(--line); }
.partners-title { margin: 0 0 24px; text-align: center; font: 500 11px var(--font-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--teal); }
.partner-track { width: max-content; display: flex; align-items: center; gap: 58px; animation: marquee 38s linear infinite; }
.partner-track img { width: 120px; height: 48px; object-fit: contain; filter: grayscale(1); mix-blend-mode: multiply; }
@keyframes marquee { to { transform: translateX(-50%); } }

.community-paths { background: var(--paper-2); }
.community-intro { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 7vw, 96px); align-items: end; }
.community-intro .lede { margin-top: 0; }
.community-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: clamp(48px, 7vw, 82px); }
.community-card { display: grid; grid-template-rows: 300px 1fr; position: relative; border-radius: 24px; background: var(--ink); color: var(--white); overflow: hidden; }
.community-card > img { width: 100%; height: 100%; object-fit: cover; }
.community-card-copy { padding: clamp(28px, 4vw, 48px); }
.community-index { color: var(--teal-bright); font: 500 10px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.community-card h3 { margin: 22px 0 14px; font: 400 clamp(2.8rem, 5vw, 5.2rem)/.96 var(--font-display); text-transform: uppercase; }
.community-card p, .community-card li { color: rgba(255,255,255,.72); }
.community-card ul { min-height: 120px; margin: 24px 0 32px; padding-left: 20px; }
.community-card li { margin: 9px 0; }
.community-card .button-outline { border-color: rgba(255,255,255,.65); color: var(--white); }
.community-card .button-outline:hover { background: var(--white); color: var(--ink); }
.share-builder { display: grid; grid-template-columns: 1fr auto; gap: clamp(32px, 6vw, 80px); align-items: end; margin-top: 20px; padding: clamp(30px, 5vw, 60px); border: 1px solid var(--line); border-radius: 24px; background: var(--teal-bright); }
.share-builder h3 { margin: 0; font: 400 clamp(2.4rem, 5vw, 5rem)/1 var(--font-display); text-transform: uppercase; }
.share-builder p { max-width: 720px; }
.share-builder .zh { color: var(--ink); }
.share-builder-actions { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

.media-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; margin-top: 56px; }
.media-card { position: relative; min-height: 310px; overflow: hidden; border-radius: var(--radius); background: var(--ink); color: var(--white); }
.media-card:first-child { grid-row: span 2; min-height: 640px; }
.media-card img { width: 100%; height: 100%; object-fit: cover; opacity: .68; transition: transform .5s, opacity .5s; }
.media-card:hover img { transform: scale(1.03); opacity: .82; }
.media-card-copy { position: absolute; inset: auto 0 0; padding: 28px; background: linear-gradient(transparent, rgba(13,14,43,.95)); }
.media-card h3 { margin: 0; font: 400 clamp(2rem, 4vw, 4rem)/1 var(--font-display); text-transform: uppercase; }
.media-card-copy span { color: var(--teal-bright); font: 11px var(--font-mono); text-transform: uppercase; }
.media-card-link { position: absolute; inset: 0; z-index: 2; }
.media-video-preview { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; opacity: 0; pointer-events: none; transition: opacity .4s; z-index: 1; }
.media-card.preview-active img { opacity: 0; transform: scale(1); }
.media-card.preview-active .media-video-preview { opacity: 1; }
.media-card.preview-active .media-card-link { z-index: 3; }
.media-card-link:focus-visible { outline-offset: -7px; }

@media (max-width: 900px) {
  .feature-story, .story-head { grid-template-columns: 1fr; }
  .feature-story.reverse .feature-media { order: 0; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: 260px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .feature-story { min-height: auto; }
  .feature-stats { grid-template-columns: 1fr; }
  .feature-media { min-height: 300px; }
  .feature-media::after { width: 52px; height: 52px; }
  .media-grid { grid-template-columns: 1fr; }
  .media-card:first-child { grid-row: auto; min-height: 440px; }
  .community-intro, .community-grid, .share-builder { grid-template-columns: 1fr; }
  .community-card { display: flex; flex-direction: column; grid-template-rows: none; }
  .community-card > img { height: 220px; flex-shrink: 0; }
  .community-card ul { min-height: 0; }
  .share-builder-actions { min-width: 0; }
}

@media (max-width: 600px) {
  .feature-story { min-height: auto; }
  .feature-media { min-height: 300px; }
  .feature-stats { grid-template-columns: 1fr; }
  .media-card, .media-card:first-child { min-height: 340px; }
  .community-card { display: flex; flex-direction: column; grid-template-rows: none; }
  .community-card > img { height: 220px; flex-shrink: 0; }
  .cta-portal-grid { grid-template-columns: 1fr; align-items: start; }
}

.cta-portal { position: relative; border: 1px solid var(--line); border-radius: 24px; background: var(--ink); color: var(--white); overflow: hidden; padding: clamp(32px, 6vw, 72px); }
.cta-portal-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 42px; align-items: end; }
.cta-portal h3 { max-width: 700px; margin: 0; font: 400 clamp(3rem, 7vw, 7rem)/.96 var(--font-display); text-transform: uppercase; }
.cta-portal p { max-width: 620px; color: rgba(255,255,255,.7); }
.cta-portal .eyebrow { color: var(--teal-bright); }
.cta-portal .button-teal { border-color: var(--teal-bright); background: var(--teal-bright); color: var(--ink); }

.ios-spinner { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 100px; height: 100px; }
.ios-spinner span { position: absolute; left: 50%; top: 0; width: 5px; height: 22%; margin-left: -2.5px; border-radius: 3px; background: rgba(255,255,255,.65); transform-origin: center 220%; animation: ios-fade 1s linear infinite; }
.ios-spinner span:nth-child(1) { transform: rotate(0deg); animation-delay: -.917s; }
.ios-spinner span:nth-child(2) { transform: rotate(30deg); animation-delay: -.833s; }
.ios-spinner span:nth-child(3) { transform: rotate(60deg); animation-delay: -.75s; }
.ios-spinner span:nth-child(4) { transform: rotate(90deg); animation-delay: -.667s; }
.ios-spinner span:nth-child(5) { transform: rotate(120deg); animation-delay: -.583s; }
.ios-spinner span:nth-child(6) { transform: rotate(150deg); animation-delay: -.5s; }
.ios-spinner span:nth-child(7) { transform: rotate(180deg); animation-delay: -.417s; }
.ios-spinner span:nth-child(8) { transform: rotate(210deg); animation-delay: -.333s; }
.ios-spinner span:nth-child(9) { transform: rotate(240deg); animation-delay: -.25s; }
.ios-spinner span:nth-child(10) { transform: rotate(270deg); animation-delay: -.167s; }
.ios-spinner span:nth-child(11) { transform: rotate(300deg); animation-delay: -.083s; }
.ios-spinner span:nth-child(12) { transform: rotate(330deg); animation-delay: 0s; }

@keyframes ios-fade { 0% { opacity: 1; } 100% { opacity: .15; } }

@media (prefers-reduced-motion: reduce) {
  .partner-track { animation: none; width: 100%; flex-wrap: wrap; }
}