/* REME Agency Demo 3 — 30K long-read UX. Tailwind enhances utility classes; these local rules are the critical production fallback. */
:root{--r3-ink:#0b1026;--r3-blue:#3b5bfd;--r3-violet:#6a4dff;--r3-cyan:#00b3c4;--r3-gold:#ffb547;--r3-paper:#f4f6fb;--r3-line:#e5eaf2;--r3-muted:#64748b;--r3-white:#fff}
.reme-ag300-client-magnet{overflow-x:hidden;background:#fff;color:var(--r3-ink)}
.reme-ag300-client-magnet img{max-width:100%;height:auto;backface-visibility:hidden}.reme-ag300-client-magnet .rm-row{position:relative}.reme-ag300-client-magnet .reme-bank-template{isolation:isolate}
.reme-reader-shell{position:sticky;top:0;z-index:9990;background:rgba(255,255,255,.92);border-top:1px solid var(--r3-line);border-bottom:1px solid var(--r3-line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.reme-toolbar-main{display:flex;align-items:center;justify-content:space-between;gap:16px}.reme-toolbar-meta,.reme-toolbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.reme-toolbar-meta{font-size:12px;color:var(--r3-muted)}.reme-toolbar-meta strong{color:var(--r3-ink)}
.reme-chip{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:#eef2ff;color:#304acb;font-weight:800;text-decoration:none}.reme-chip-dark{background:var(--r3-ink);color:#fff}
.reme-toolbar-actions button,.reme-toolbar-actions a{appearance:none;border:1px solid #dbe1ea;border-radius:999px;background:#fff;color:var(--r3-ink);padding:9px 12px;font:700 12px/1 inherit;text-decoration:none;cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.reme-toolbar-actions button:hover,.reme-toolbar-actions a:hover{transform:translateY(-1px);border-color:#bec8d9;box-shadow:0 10px 26px rgba(11,16,38,.08)}.reme-toolbar-actions a{background:var(--r3-ink);color:#fff;border-color:var(--r3-ink)}
.reme-eyebrow{margin:0 0 12px;font-size:11px;line-height:1.2;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:#8290a8}
.reme-ag300-summary{background:var(--r3-ink);color:#fff}.reme-ag300-summary>div{max-width:1280px;margin:auto;padding:76px 24px}.reme-summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.reme-summary-grid article{position:relative;min-height:170px;padding:24px;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.025));overflow:hidden}.reme-summary-grid article:after{content:"";position:absolute;inset:auto -20% -55% 25%;height:150px;background:radial-gradient(circle,var(--r3-blue),transparent 70%);filter:blur(18px);opacity:.16}.reme-summary-grid strong{display:block;font-size:clamp(20px,2vw,34px);line-height:1.1;letter-spacing:-.03em}.reme-summary-grid span{display:block;margin-top:10px;color:#c5cee0;font-size:13px;line-height:1.55}
.reme-longread-body{max-width:860px;margin:0 auto;font-size:18px;line-height:1.82;color:#26314b}.reme-longread-body .reme-long-chapter{scroll-margin-top:110px;margin:0 0 58px}.reme-longread-body h2{margin:0 0 22px;font-size:clamp(30px,3.3vw,50px);line-height:1.08;letter-spacing:-.035em;color:var(--r3-ink)}.reme-longread-body h3{margin:34px 0 18px;font-size:26px;line-height:1.2;color:var(--r3-ink)}.reme-longread-body p{margin:0 0 22px}.reme-longread-body a{color:var(--r3-blue);text-decoration-thickness:1px;text-underline-offset:3px}.reme-longread-body strong{color:#111a34}.reme-chapter-kicker{margin-bottom:12px!important;font-size:11px!important;line-height:1.3!important;font-weight:900!important;letter-spacing:.16em!important;color:var(--r3-blue)!important}.reme-chapter-checklist{list-style:none!important;margin:28px 0 0!important;padding:22px!important;border:1px solid var(--r3-line);border-radius:20px;background:var(--r3-paper)}.reme-chapter-checklist li{position:relative;margin:0!important;padding:10px 8px 10px 34px!important;border-bottom:1px solid rgba(148,163,184,.18);font-size:15px;line-height:1.55}.reme-chapter-checklist li:last-child{border:0}.reme-chapter-checklist li:before{content:"✓";position:absolute;left:8px;top:10px;width:18px;height:18px;border-radius:50%;background:#eaf5ef;color:#14814b;font-weight:900;font-size:11px;text-align:center;line-height:18px}
.reme-faq-section{scroll-margin-top:110px}.reme-faq-section>h2{margin-bottom:26px}.reme-faq{margin:0 0 12px;border:1px solid var(--r3-line);border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(11,16,38,.035);overflow:hidden}.reme-faq summary{position:relative;padding:18px 54px 18px 20px;cursor:pointer;list-style:none;font-weight:800;color:var(--r3-ink)}.reme-faq summary::-webkit-details-marker{display:none}.reme-faq summary:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--r3-blue)}.reme-faq[open] summary:after{content:"−"}.reme-faq div{padding:0 20px 18px;color:#4b5872}.reme-faq div p{margin:0}
.reme-ag300-chapter-row{position:relative}.reme-ag300-chapter-row .rm-cols{align-items:start}.reme-chapter-note{position:sticky;top:104px;padding:22px;border:1px solid var(--r3-line);border-radius:22px;background:linear-gradient(180deg,#fff,#f7f9fd);box-shadow:0 18px 54px rgba(11,16,38,.08)}.reme-chapter-note span{display:block;color:var(--r3-blue);font-size:10px;font-weight:900;letter-spacing:.15em}.reme-chapter-note h3{margin:10px 0 10px;font-size:23px;line-height:1.15}.reme-chapter-note p{margin:0 0 14px;color:#64748b;font-size:13px;line-height:1.6}.reme-chapter-note strong{display:block;padding-top:14px;border-top:1px solid var(--r3-line);font-size:12px;line-height:1.45}
.reme-bank-template img{transition:transform .7s cubic-bezier(.2,.8,.2,1)}.reme-bank-template:hover img{transform:scale(1.025)}
.reme-long-toc{position:fixed;right:18px;top:102px;z-index:9998;width:min(340px,calc(100vw - 28px));max-height:calc(100vh - 125px);display:flex;flex-direction:column;border:1px solid var(--r3-line);border-radius:22px;background:rgba(255,255,255,.97);box-shadow:0 28px 90px rgba(11,16,38,.18);backdrop-filter:blur(18px);opacity:0;pointer-events:none;transform:translateX(calc(100% + 32px));transition:transform .32s cubic-bezier(.2,.8,.2,1),opacity .22s ease}.reme-long-toc.is-open{opacity:1;pointer-events:auto;transform:none}.reme-long-toc-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--r3-line)}.reme-long-toc-head>div{display:flex;align-items:center;gap:10px}.reme-long-toc-head small{font-weight:900;letter-spacing:.12em;color:#71809a}.reme-long-toc-head strong{font-size:11px;color:var(--r3-blue)}.reme-long-toc-head button{border:0;background:#f1f4f9;border-radius:10px;width:34px;height:34px;font-size:22px;cursor:pointer}.reme-long-toc nav{padding:10px 10px 14px;overflow:auto}.reme-long-toc nav a{position:relative;display:block;padding:9px 10px 9px 14px;border-radius:10px;color:#65728a;font-size:12px;line-height:1.35;text-decoration:none}.reme-long-toc nav a:before{content:"";position:absolute;left:5px;top:13px;bottom:13px;width:2px;border-radius:10px;background:#d8deea}.reme-long-toc nav a:hover,.reme-long-toc nav a.is-active{background:#f2f5fb;color:var(--r3-ink)}.reme-long-toc nav a.is-active:before{background:var(--r3-blue);width:3px}.reme-long-toc-cta{padding:14px 18px;border-top:1px solid var(--r3-line);background:#f8f9fc;border-radius:0 0 22px 22px}.reme-long-toc-cta span{display:block;font-size:11px;color:#64748b}.reme-long-toc-cta a{display:inline-block;margin-top:3px;font-size:12px;font-weight:900;color:var(--r3-blue);text-decoration:none}.reme-toc-fab{position:fixed;right:22px;bottom:94px;z-index:9997;display:flex;align-items:center;gap:9px;border:1px solid #dce2ec;border-radius:999px;background:rgba(255,255,255,.94);padding:9px 13px 9px 10px;color:var(--r3-ink);box-shadow:0 16px 44px rgba(11,16,38,.16);backdrop-filter:blur(14px);cursor:pointer}.reme-toc-fab span{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--r3-ink);color:#fff}.reme-toc-fab strong{font-size:12px}
.reme-related-paths{max-width:1280px;margin:auto;padding:80px 24px}.reme-related-paths h2{margin:0;font-size:clamp(34px,4vw,58px);line-height:1.05;letter-spacing:-.04em}.reme-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:32px}.reme-related-grid a{position:relative;display:flex;flex-direction:column;min-height:220px;padding:22px;border:1px solid var(--r3-line);border-radius:22px;background:#fff;color:var(--r3-ink);text-decoration:none;box-shadow:0 10px 30px rgba(11,16,38,.04);transition:transform .25s ease,box-shadow .25s ease}.reme-related-grid a:hover{transform:translateY(-6px);box-shadow:0 24px 58px rgba(11,16,38,.1)}.reme-related-grid span{font-size:10px;font-weight:900;letter-spacing:.12em;color:var(--r3-blue);text-transform:uppercase}.reme-related-grid strong{margin:20px 0;font-size:19px;line-height:1.25}.reme-related-grid em{margin-top:auto;font-size:12px;font-style:normal;font-weight:900;color:var(--r3-blue)}
.reme-ag300-topic-hub{background:#fff}.reme-ag300-topic-hub>div{max-width:1280px;margin:auto;padding:84px 24px}.reme-ag300-topic-hub h2{margin:0;font-size:clamp(36px,5vw,66px);line-height:1.03;letter-spacing:-.045em}.reme-ag300-topic-hub p{color:#62708a;line-height:1.65}.reme-ag300-topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:38px}.reme-ag300-topic-grid>a{display:flex;flex-direction:column;min-height:230px;padding:22px;border:1px solid var(--r3-line);border-radius:22px;background:#fff;color:var(--r3-ink);text-decoration:none;box-shadow:0 10px 30px rgba(11,16,38,.04);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}.reme-ag300-topic-grid>a:hover{transform:translateY(-6px);border-color:#cbd4e3;box-shadow:0 22px 55px rgba(11,16,38,.1)}.reme-ag300-topic-grid>a>span{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--r3-blue),var(--r3-violet));box-shadow:0 9px 24px rgba(59,91,253,.22)}.reme-ag300-topic-grid h3{margin:22px 0 10px;font-size:19px;line-height:1.2}.reme-ag300-topic-grid p{margin:0 0 18px;font-size:13px}.reme-ag300-topic-grid strong{margin-top:auto;font-size:12px;color:var(--r3-blue)}
.reme-mobile-cta{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:9996;transition:transform .3s ease,opacity .3s ease}.reme-mobile-cta a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;border-radius:17px;background:rgba(11,16,38,.96);color:#fff;text-decoration:none;box-shadow:0 18px 50px rgba(11,16,38,.3);backdrop-filter:blur(12px)}.reme-mobile-cta span{font-size:11px;color:#cbd5e1}.reme-mobile-cta strong{font-size:12px;white-space:nowrap}.reme-mobile-cta.is-hidden{transform:translateY(130%);opacity:0}
.reme-backtop{position:fixed;right:22px;bottom:22px;z-index:9996;width:54px;height:54px;border:0;border-radius:50%;background:#fff;box-shadow:0 14px 42px rgba(11,16,38,.18);cursor:pointer}.reme-backtop svg{position:absolute;inset:4px;width:46px;height:46px;transform:rotate(-90deg)}.reme-backtop circle{fill:none;stroke:#e3e8f0;stroke-width:2}.reme-backtop circle.progress{stroke:var(--r3-blue);stroke-dasharray:113.1;stroke-dashoffset:113.1;transition:stroke-dashoffset .1s linear}.reme-backtop span{position:relative;font-weight:900;color:var(--r3-ink)}
.reme-js-reading-progress{position:fixed;left:0;top:0;width:100%;height:3px;z-index:100000;pointer-events:none}.reme-js-reading-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--r3-blue),var(--r3-violet),var(--r3-cyan));transform-origin:left center}.reme-copy-toast{position:fixed;right:20px;bottom:88px;z-index:100001;padding:10px 14px;border-radius:12px;background:var(--r3-ink);color:#fff;font-size:12px;font-weight:800;box-shadow:0 14px 40px rgba(11,16,38,.22);animation:reme3Toast .24s ease}@keyframes reme3Toast{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .72s ease,transform .72s cubic-bezier(.2,.8,.2,1)}[data-reveal].is-visible{opacity:1;transform:none}.reme-magnetic{transition:transform .18s ease,box-shadow .18s ease}.reme-magnetic:hover{box-shadow:0 16px 40px rgba(0,0,0,.16)}
.reme-ag300-client-magnet.reme-reading-mode-on .reme-bank-template,.reme-ag300-client-magnet.reme-reading-mode-on .reme-ag300-summary,.reme-ag300-client-magnet.reme-reading-mode-on .reme-ag300-bank-mid{filter:saturate(.25);opacity:.4}.reme-ag300-client-magnet.reme-reading-mode-on .reme-longread-body{max-width:760px;font-size:20px;line-height:1.9}.reme-ag300-client-magnet.reme-reading-mode-on .reme-chapter-note{opacity:.35}
@media(max-width:1100px){.reme-ag300-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.reme-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reme-toc-fab{right:16px}}
@media(max-width:900px){.reme-toolbar-main{align-items:flex-start;flex-direction:column}.reme-toolbar-actions{width:100%}.reme-toolbar-actions a{margin-left:auto}.reme-ag300-chapter-row .rm-cols{grid-template-columns:1fr!important}.reme-chapter-note{position:relative;top:auto}.reme-summary-grid{grid-template-columns:1fr 1fr}.reme-ag300-topic-grid{grid-template-columns:1fr 1fr}.reme-mobile-cta{display:block}.reme-backtop{bottom:82px}.reme-toc-fab{bottom:146px}.reme-longread-body{font-size:17px}.reme-longread-body h2{font-size:34px}}
@media(max-width:620px){.reme-reader-shell{position:relative;top:auto}.reme-toolbar-actions button{flex:1 1 auto}.reme-toolbar-actions a{flex:1 1 100%;text-align:center;margin:0}.reme-summary-grid{grid-template-columns:1fr}.reme-ag300-summary>div,.reme-ag300-topic-hub>div,.reme-related-paths{padding-left:18px;padding-right:18px}.reme-ag300-topic-grid,.reme-related-grid{grid-template-columns:1fr}.reme-ag300-topic-grid>a{min-height:0}.reme-longread-body{font-size:16.5px;line-height:1.78}.reme-longread-body h2{font-size:30px}.reme-long-toc{right:10px;top:10px;max-height:calc(100vh - 20px);width:calc(100vw - 20px)}.reme-toc-fab{right:12px}.reme-chapter-checklist{padding:14px!important}.reme-chapter-checklist li{padding-right:0!important}}
@media(prefers-reduced-motion:reduce){.reme-ag300-client-magnet *{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reme-bank-template:hover img{transform:none}[data-reveal]{opacity:1;transform:none}}

/* Demo 3 — richer 30K long-read UX */
.reme-ag300-client-magnet .reme-long-chapter{position:relative;isolation:isolate;padding:clamp(28px,4vw,52px);margin:0 0 28px;border:1px solid rgba(11,16,38,.09);border-radius:30px;background:linear-gradient(180deg,#fff,rgba(244,246,251,.78));box-shadow:0 16px 55px rgba(11,16,38,.06);overflow:hidden}
.reme-ag300-client-magnet .reme-long-chapter:before{content:"";position:absolute;inset:-1px;z-index:-1;pointer-events:none;background:radial-gradient(420px circle at var(--mx,85%) var(--my,12%),rgba(59,91,253,.12),transparent 46%)}
.reme-ag300-client-magnet .reme-long-chapter h2{max-width:920px;text-wrap:balance}
.reme-decision-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0}.reme-decision-grid>div{padding:16px;border-radius:18px;background:#0b1026;color:#fff;box-shadow:0 12px 30px rgba(11,16,38,.12)}.reme-decision-grid span{display:block;font-size:10px;letter-spacing:.14em;font-weight:900;color:#9fb1ff}.reme-decision-grid strong{display:block;margin-top:7px;font-size:13px;line-height:1.45}
.reme-ag300-chapter-row .rmb-col:last-child{position:relative}.reme-ag300-chapter-row img{will-change:transform;transition:transform .7s cubic-bezier(.2,.8,.2,1),filter .45s ease}.reme-ag300-chapter-row img:hover{transform:scale(1.035);filter:saturate(1.08)}
.reme-ag300-bank-mid{position:relative;overflow:hidden}.reme-ag300-bank-mid:after{content:"";position:absolute;left:6%;right:6%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(59,91,253,.35),transparent);pointer-events:none}
.reme-long-toc nav a:nth-child(4n+1){border-left-color:rgba(59,91,253,.25)}
@media(max-width:760px){.reme-decision-grid{grid-template-columns:1fr}.reme-ag300-client-magnet .reme-long-chapter{padding:22px;border-radius:22px}}