/* Public-site refresh: shared tokens, rhythm and accessible interaction states. */
:root { --accent: #2563eb; --accent-strong: #1d4ed8; --surface-raised: color-mix(in srgb, var(--card) 94%, var(--primary)); --focus-ring: 0 0 0 3px color-mix(in srgb, var(--primary) 32%, transparent); }
html.dark { --accent: #7db2ff; --accent-strong: #a7c8ff; }
html { scroll-behavior: smooth; }
body { transition: background-color .2s ease, color .2s ease; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.site-header { z-index: 100; }
.header-search-trigger { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 0; background: transparent; color: var(--foreground); border-radius: 50%; cursor: pointer; }
.header-search-trigger:hover { background: var(--muted); }
.search-dialog { width: min(620px, calc(100vw - 32px)); border: 1px solid var(--border); border-radius: 18px; background: var(--card); color: var(--foreground); padding: 0; box-shadow: var(--shadow-lg); }
.search-dialog::backdrop { background: rgba(2, 6, 23, .62); backdrop-filter: blur(3px); }
.search-dialog__form { display: flex; align-items: center; gap: 10px; padding: 14px; border-bottom: 1px solid var(--border); }
.search-dialog input { border: 0; flex: 1; background: transparent; color: inherit; font: inherit; font-size: 1rem; min-width: 0; }
.search-dialog__results { min-height: 84px; max-height: 52vh; overflow: auto; padding: 8px; }
.search-dialog__hint { padding: 16px; color: var(--muted-foreground); font-size: .9rem; }
.search-result-item { display: block; padding: 12px; border-radius: 10px; color: var(--foreground); }
.search-result-item:hover { background: var(--muted); }
.hero--home { padding-block: clamp(48px, 7vw, 96px); }
.home-hero-grid { display: grid; align-items: center; gap: clamp(26px, 5vw, 72px); grid-template-columns: minmax(0, 1fr) minmax(300px, .88fr); }
.home-hero-copy { max-width: 640px; }
.home-hero-copy h1 { max-width: 12ch; margin: 12px 0 18px; font-size: clamp(2.7rem, 6vw, 5.7rem); line-height: .98; letter-spacing: -.065em; }
.home-hero-copy p { max-width: 58ch; font-size: clamp(1rem, 1.5vw, 1.14rem); line-height: 1.7; color: var(--muted-foreground); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--border); border-radius: 10px; color: var(--foreground); font-weight: 600; }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.system-core { position: relative; min-height: 400px; display: grid; place-items: center; isolation: isolate; }
.system-core::before { content: ''; position: absolute; width: 80%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--primary) 26%, transparent), transparent 65%); filter: blur(24px); z-index: -1; }
.system-core__poster { display: block; width: min(100%, 500px); max-height: 530px; object-fit: contain; filter: drop-shadow(0 30px 45px rgba(37,99,235,.18)); animation: core-float 7s ease-in-out infinite; }
.system-core__legend { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 99px; background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: blur(12px); white-space: nowrap; font-size: .76rem; color: var(--muted-foreground); }
.proof-rail { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; padding: 18px 0; border-block: 1px solid var(--border); color: var(--muted-foreground); font-size: .92rem; }
.proof-rail strong { color: var(--foreground); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--border); margin-top: 28px; }
.process-step { padding: 24px 20px; border-left: 1px solid var(--border); }
.process-step:first-child { border-left: 0; }
.process-step__number { color: var(--primary); font: 600 .75rem var(--font-display); letter-spacing: .1em; }
.process-step h3 { margin: 12px 0 8px; font-size: 1.1rem; }
.process-step p { margin: 0; color: var(--muted-foreground); font-size: .92rem; line-height: 1.6; }
.home-editorial { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(240px, .75fr); gap: 20px; }
.home-editorial .blog-card:first-child { grid-row: span 2; }
.research-list { display: grid; gap: 10px; margin-top: 22px; }
.research-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.research-item span { color: var(--muted-foreground); font-size: .86rem; }
.about-proof { display: grid; grid-template-columns: minmax(180px,.55fr) 1fr; gap: 32px; align-items: center; padding: clamp(24px,4vw,48px); border: 1px solid var(--border); border-radius: 18px; background: var(--surface-raised); }
.about-proof img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 14px; filter: grayscale(.12); }
.about-intro { display: grid; grid-template-columns: minmax(120px, .3fr) 1fr; gap: 24px; align-items: center; margin: 20px 0 30px; }
.about-intro img { width: 100%; max-width: 180px; aspect-ratio: 1; object-fit: cover; border-radius: 14px; }
.section-cta { position: relative; isolation: isolate; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 24px; margin-top: 44px; padding: clamp(28px, 5vw, 48px); border: 1px solid color-mix(in srgb, var(--primary) 42%, var(--border)); border-radius: 18px; color: #f8fafc; background: #0f172a; box-shadow: 0 20px 45px rgba(15, 23, 42, .16); }
.section-cta::before { content: ''; position: absolute; inset: -45% -15% auto auto; width: 240px; aspect-ratio: 1; border: 1px solid rgba(191, 219, 254, .38); border-radius: 50%; box-shadow: 0 0 0 34px rgba(96, 165, 250, .08), 0 0 0 68px rgba(96, 165, 250, .06); z-index: -1; }
.section-cta h2 { max-width: 22ch; margin: 0 0 10px; color: inherit; font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.05; }
.section-cta p { max-width: 62ch; margin: 0; color: #cbd5e1; line-height: 1.7; }
.section-cta .btn-primary { white-space: nowrap; background: #eff6ff; color: #0f172a; border-color: #eff6ff; }
.section-cta .btn-primary:hover { background: #bfdbfe; border-color: #bfdbfe; }
.service-groups { display: grid; gap: 22px; }
.services-refresh + .services { display: block; padding-top: 0; }
.service-group { display: grid; grid-template-columns: .7fr 1.3fr; gap: 24px; padding: 28px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); }
.service-group__eyebrow, .roadmap-status { color: var(--primary); font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.service-group h2 { margin: 8px 0; font-size: clamp(1.35rem, 3vw, 2rem); }
.service-group ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 16px 0 0; list-style: none; }
.service-group li { padding: 6px 10px; border-radius: 99px; background: var(--muted); font-size: .85rem; }
.services-detail-heading { max-width: 64ch; padding: clamp(48px, 8vw, 88px) 0 10px; }
.services-detail-heading h2 { margin: 9px 0; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.05; }
.services-detail-heading p:last-child { margin: 0; color: var(--muted-foreground); line-height: 1.7; }
.services-details { margin: 12px 0 72px; border-top: 1px solid var(--border); }
.services-details .services { display: block; padding: 0 0 24px; }
.services-details .services .container { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.services-details .services-detail-heading { grid-column: 1 / -1; padding: clamp(42px, 7vw, 72px) 0 10px; }
.services-details .service { position: relative; display: grid; align-items: end; min-width: 0; aspect-ratio: 1 / 1; min-height: 0; margin: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: #0f172a; color: #f8fafc; isolation: isolate; transition: transform .24s ease, box-shadow .24s ease; }
.services-details .service::after { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(15,23,42,.12) 14%, rgba(15,23,42,.96) 88%); transition: background .24s ease; }
.services-details .service-image { position: absolute; inset: 0; z-index: 0; display: block; }
.services-details .service-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(.95); transition: transform .45s ease, filter .24s ease; }
.services-details .service-content { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; padding: 22px; transform: translateY(54px); transition: transform .28s ease; }
.services-details .service-content > span { color: #bfdbfe; font-size: .69rem; font-weight: 700; letter-spacing: .11em; }
.services-details .service-content h2 { margin: 8px 0 10px; color: #fff; font-size: 1.18rem; line-height: 1.25; }
.services-details .service-content p { margin: 0; color: #e2e8f0; font-size: .9rem; line-height: 1.62; opacity: 0; transition: opacity .2s ease; }
.services-details .service-content ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 0; padding: 0; list-style: none; opacity: 0; transition: opacity .2s ease; }
.services-details .service-content li { padding: 5px 7px; border-radius: 6px; background: rgba(255,255,255,.13); color: #fff; font-size: .74rem; }
@media (hover: hover) { .services-details .service:hover { transform: translateY(-5px); box-shadow: 0 20px 34px rgba(15,23,42,.22); } .services-details .service:hover::after { background: linear-gradient(180deg, rgba(15,23,42,.28), rgba(15,23,42,.98) 92%); } .services-details .service:hover .service-image img { transform: scale(1.06); filter: saturate(.95) contrast(1); } .services-details .service:hover .service-content { transform: translateY(0); } .services-details .service:hover .service-content p, .services-details .service:hover .service-content ul { opacity: 1; } }
.home-service-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.home-service-card { position: relative; display: grid; align-content: end; min-height: 155px; overflow: hidden; padding: 18px; border-radius: 12px; color: #fff; isolation: isolate; text-decoration: none; }
.home-service-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(15,23,42,.1), rgba(15,23,42,.94)); transition: background .2s ease; }
.home-service-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; filter: saturate(.68); transition: transform .35s ease, filter .25s ease; }
.home-service-card span { color: #bfdbfe; font-size: .67rem; font-weight: 700; letter-spacing: .1em; }
.home-service-card strong { margin-top: 7px; font: 600 1rem/1.3 var(--font-display); }
@media (hover: hover) { .home-service-card:hover img { transform: scale(1.06); filter: saturate(.95); } .home-service-card:hover::after { background: linear-gradient(180deg, rgba(15,23,42,.22), rgba(15,23,42,.98)); } }
.timeline { display: grid; gap: 0; margin: 30px 0; border-left: 1px solid var(--border); }
.timeline__item { position: relative; padding: 0 0 28px 28px; }
.timeline__item::before { content: ''; position: absolute; left: -6px; top: 5px; width: 11px; height: 11px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px var(--background); }
.timeline__year { color: var(--primary); font-weight: 700; font-size: .84rem; }
.blog-filter-toggle { display: none; }
.alphabet-letter { appearance: none; border: 0; font: inherit; }
.blog-search-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 0 0 20px; }
.blog-search-row p { margin: 0; color: var(--muted-foreground); }
.blog-topic-directory { max-width: 920px; padding: 12px 0 16px; border-block: 1px solid var(--border); }
.blog-topic-directory__search { width: 100%; height: 38px; padding: 0 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--background); color: var(--foreground); font: inherit; font-size: .84rem; }
.blog-topic-directory__search:focus { outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); outline-offset: 2px; border-color: var(--primary); }
.blog-topic-directory__index { display: flex; flex-wrap: wrap; gap: 5px; padding: 12px 0; }
.blog-topic-directory__index a { display: grid; place-items: center; min-width: 26px; height: 26px; padding: 0 5px; border-radius: 5px; color: var(--muted-foreground); font-size: .75rem; font-weight: 700; text-decoration: none; }
.blog-topic-directory__index .blog-topic-directory__featured-key { width: auto; padding-inline: 8px; }
.blog-topic-directory__index a:hover, .blog-topic-directory__index a:focus-visible, .blog-topic-directory__index a.active { background: var(--muted); color: var(--primary); }
.blog-topic-directory__groups { display: grid; gap: 18px; margin-top: 20px; }
.blog-topic-directory__groups[hidden] { display: none; }
.blog-topic-directory__group { scroll-margin-top: 96px; }
.blog-topic-directory__group h2 { margin: 0 0 7px; color: var(--muted-foreground); font-size: .72rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.blog-topic-directory__group > div { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 5px 20px; }
.blog-topic-directory__link { display: block; width: fit-content; max-width: 100%; overflow: hidden; color: var(--foreground); font-size: .82rem; line-height: 1.45; text-decoration: none; text-overflow: ellipsis; white-space: nowrap; }
.blog-topic-directory__link:hover, .blog-topic-directory__link:focus-visible, .blog-topic-directory__link.active { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.blog-topic-directory__empty { margin: 20px 0 0; color: var(--muted-foreground); font-size: .86rem; }
.blog-topic-directory__hint { margin: 18px 0 0; color: var(--muted-foreground); font-size: .84rem; }
.roadmap-section { padding: 20px 0 80px; }
.roadmap-overview { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 24px; align-items: center; padding: 20px 0 28px; border-bottom: 1px solid var(--border); }
.roadmap-overview > div { display: grid; gap: 2px; min-width: 112px; }
.roadmap-overview__number { color: var(--primary); font: 650 clamp(1.5rem, 3vw, 2.3rem)/1 var(--font-display); }
.roadmap-overview span:last-child, .roadmap-overview p, .roadmap-group__header p:last-child { color: var(--muted-foreground); font-size: .92rem; }
.roadmap-overview p { max-width: 55ch; margin: 0 0 0 auto; line-height: 1.65; }
.roadmap-group { margin-top: clamp(48px, 8vw, 88px); }
.roadmap-group__header { max-width: 58ch; margin-bottom: 22px; }
.roadmap-group__header h2 { margin: 7px 0 9px; font-size: clamp(1.65rem, 3vw, 2.3rem); }
.roadmap-group__header p:last-child { margin: 0; line-height: 1.65; }
.roadmap-list { border-top: 1px solid var(--border); }
.roadmap-item { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 22px 4px; border-bottom: 1px solid var(--border); }
.roadmap-item__index { color: var(--primary); font: 650 .85rem var(--font-display); letter-spacing: .08em; }
.roadmap-item__body h3 { margin: 5px 0 0; font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 1.35; }
.roadmap-item__action a { display: inline-flex; gap: 8px; align-items: center; color: var(--foreground); font-weight: 650; text-decoration: none; white-space: nowrap; }
.roadmap-item__action a:hover { color: var(--primary); }
.roadmap-item--done { opacity: .72; }.roadmap-item--done .roadmap-item__index { color: var(--success); }
.featured-post-label { color: var(--primary); font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.blog-card .tag:nth-of-type(n+3) { display: none; }
.blog-card .tag-summary { display: inline-flex; }
.mobile-toc { display: none; }
.blog-content-wrapper { max-width: 75ch; }
.article-cover { max-width: min(100%, 900px); }
.blog-share-box { border-top: 1px solid var(--border); padding-top: 14px; }
.blog-share-box > h3 { margin: 0; color: var(--foreground); font-size: .86rem; font-weight: 650; }
.blog-share-box__buttons { margin-top: 12px; }
.article-next { margin-top: 36px; padding: 24px; border: 1px solid var(--border); border-radius: 14px; background: var(--card); }
.article-next a { font-weight: 650; color: var(--primary); }
.intent-card[aria-pressed="true"] { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.intent-card[aria-pressed="true"] .intent-card__action { color: var(--primary); }
.form-status { margin-top: 14px; min-height: 1.5rem; color: var(--muted-foreground); }
.form-status[data-state="success"] { color: #15803d; } .form-status[data-state="error"] { color: #dc2626; }
@keyframes core-float { 50% { transform: translateY(-10px) rotate(1deg); } }
@media (max-width: 1023px) { .pill-nav { display: none; } .mobile-menu-toggle { display: inline-grid !important; } .desktop-only { display: none !important; } }
@media (max-width: 767px) { .hero--home { padding-top: 36px; } .home-hero-grid, .home-editorial, .about-proof, .service-group, .about-intro, .section-cta { grid-template-columns: 1fr; } .system-core { min-height: 290px; order: -1; } .system-core__poster { max-height: 330px; } .system-core__legend { font-size: .68rem; } .process-grid { grid-template-columns: 1fr 1fr; } .process-step:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); } .process-step:nth-child(4) { border-top: 1px solid var(--border); } .blog-filter-toggle { display: inline-flex; } .tag-filter-panel[hidden] { display: none; } .tag-alphabet-filter { overflow-x: auto; flex-wrap: nowrap; } .blog-topic-strip { grid-template-columns: 1fr; } .blog-topic-directory { grid-column: 1; } .blog-topic-directory__tools { grid-template-columns: 1fr; } .blog-topic-directory__group > div { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px 16px; } .roadmap-overview { grid-template-columns: 1fr 1fr; gap: 16px; } .roadmap-overview p { grid-column: 1 / -1; margin: 6px 0 0; } .roadmap-item { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; } .roadmap-item__action { grid-column: 2; } .services-details .services .container { grid-template-columns: 1fr; } .services-details .service { aspect-ratio: auto; min-height: 280px; } .services-details .service-content { transform: none; } .services-details .service-content p, .services-details .service-content ul { opacity: 1; } .mobile-toc { display: block; margin: 0 0 22px; } .mobile-toc summary { cursor: pointer; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; font-weight: 600; } .mobile-toc .blog-toc__list { margin-top: 12px; } .blog-detail-grid { display: block; } .about-proof { padding: 22px; } .about-intro img { max-width: 140px; } }
@media (min-width: 768px) and (max-width: 1100px) { .blog-topic-directory__group > div { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; } }