/*
Theme Name: Bright AI Horizons
Theme URI: https://brightaihorizons.com
Author: Bright AI Horizons
Description: A human-centered editorial theme for credible stories about AI-assisted progress.
Version: 1.4.1
Text Domain: bright-ai-horizons
*/

:root{--navy:#073952;--deep:#082536;--blue:#087f9c;--cyan:#13a6bd;--teal:#0a9b88;--sky:#dff6fa;--paper:#f7faf9;--white:#fff;--gold:#f3c95f;--ink:#102f3d;--muted:#57717c;--rule:#c9dadd;--sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.55 var(--sans)}a{color:inherit}.shell{width:min(1240px,calc(100% - 48px));margin-inline:auto}
.site-header{position:absolute;inset:0 0 auto;z-index:5;color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}.site-nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:790;letter-spacing:-.02em;text-decoration:none}.custom-logo{display:block;width:auto;max-width:min(250px,42vw);height:48px;object-fit:contain;object-position:left center}.mark{width:34px;height:34px;border:1px solid rgba(255,255,255,.75);border-radius:50%;position:relative}.mark:before{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--gold);right:5px;top:5px}.mark:after{content:"";position:absolute;width:40px;height:18px;border-radius:50%;border-top:2px solid #fff;left:-4px;top:20px;transform:rotate(-8deg)}.site-nav ul{display:flex;list-style:none;gap:27px;margin:0;padding:0}.site-nav ul a{text-decoration:none;font-size:.86rem;font-weight:700;letter-spacing:.02em}.site-nav ul a:hover,.site-nav ul a:focus-visible{text-decoration:underline;text-underline-offset:6px}
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.standard{background:var(--deep);color:#fff}.standard-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:9vw}.standard h2{max-width:12ch}.principles{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.35)}.principles li{display:grid;grid-template-columns:40px 1fr;gap:15px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.2);color:#d4e5ea}.principles b{color:var(--gold);font-size:.76rem;letter-spacing:.1em}.source-line{display:block;margin-top:26px;color:#a8c5ce;font-size:.84rem}.site-footer{background:#041923;color:#fff;padding:45px 0}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:28px}.site-footer p{margin:0;color:#9cb7c0;font-size:.88rem}.top{font-weight:700;text-underline-offset:5px}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
.content-page{min-height:75vh;padding:145px 0 90px;background:#fff}.content-page h1{color:var(--navy);font-size:clamp(2.6rem,6vw,5rem);margin-bottom:28px}.content-page article{max-width:780px;font-size:1.08rem}.content-page article img{max-width:100%;height:auto}.content-page .post-list{list-style:none;padding:0}.content-page .post-list li{padding:22px 0;border-bottom:1px solid var(--rule)}
body:not(.home) .site-header{position:relative;background:var(--deep)}body:not(.home) .content-page{padding-top:80px}.topic-page{background:#fff}.topic-page-hero{min-height:470px;display:grid;align-items:end;color:#fff;background-color:var(--deep);background-image:linear-gradient(90deg,rgba(4,28,39,.96),rgba(6,58,76,.72) 52%,rgba(8,85,104,.16)),var(--topic-image);background-size:cover;background-position:center}.topic-page-hero .shell{padding-block:90px}.topic-page-hero h1{max-width:12ch;font-size:clamp(3.3rem,7vw,6.5rem);line-height:.98;font-weight:650}.topic-page-hero .deck{max-width:720px;margin:24px 0 0;font-size:clamp(1.05rem,1.8vw,1.3rem);color:rgba(255,255,255,.88)}.topic-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,.42fr);gap:8vw;align-items:start}.topic-copy{font-size:1.1rem}.topic-copy>p:first-child{font-size:clamp(1.25rem,2vw,1.55rem);color:var(--navy)}.topic-copy h2{font-size:clamp(2rem,4vw,3.2rem);margin:48px 0 16px}.topic-guide{border-top:4px solid var(--gold);background:var(--sky);padding:28px}.topic-guide h2{font-size:1.45rem;margin-bottom:14px}.topic-guide p{color:var(--muted);margin:0}.latest{background:var(--paper);border-top:1px solid var(--rule)}.latest-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:38px}.latest h2{font-size:clamp(2.5rem,5vw,4.5rem)}.article-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rule);text-decoration:none;min-height:250px;padding:28px}.article-card .meta{font-size:.73rem;letter-spacing:.13em;text-transform:uppercase;color:var(--blue);font-weight:800}.article-card h3{font-size:1.55rem;line-height:1.1;margin:16px 0}.article-card p{color:var(--muted);margin:0}.article-card .arrow{margin-top:auto;color:var(--blue);font-weight:800}.empty-stories{grid-column:1/-1;border:1px solid var(--rule);background:#fff;padding:30px;color:var(--muted)}
@media(max-width:900px){.hero{height:auto;min-height:640px}.topics{height:auto;max-height:none;grid-template-columns:repeat(2,1fr)}.topic{min-height:260px}.intro-grid,.standard-grid,.topic-body{grid-template-columns:1fr;gap:34px}.story-grid{grid-template-columns:1fr;grid-template-rows:470px 280px 280px}.story:first-child{grid-row:auto}.feature-head,.latest-head{align-items:start;flex-direction:column}.article-cards{grid-template-columns:1fr}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}