/*
Theme Name: ProStackAI
Theme URI: https://prostackai.com
Description: Bright, playful science and technology magazine with a built-in home for ProStackAI tools and products.
Version: 1.5.6
Author: ProStackAI Team
Author URI: https://prostackai.com
License: Proprietary
Text Domain: prostackai
*/

:root{
  --ink:#172033;--muted:#60708a;--paper:#fffef9;--panel:#ffffff;--navy:#11223d;
  --blue:#3568ff;--cyan:#2fc7e8;--green:#22b573;--yellow:#ffd34e;--orange:#ff8a47;
  --violet:#8158e8;--rose:#ef5e8b;--line:#dfe7f1;--soft:#f3f7fb;
  --radius:22px;--shadow:0 12px 34px rgba(23,32,51,.10);--max:1220px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}a{color:inherit}img{max-width:100%;height:auto}.section-container,.header-container,.footer-container{width:min(var(--max),calc(100% - 34px));margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:999;background:rgba(255,254,249,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,32,51,.08)}
.header-container{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:1.45rem;letter-spacing:-.03em}.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--yellow),var(--cyan));box-shadow:0 8px 20px rgba(53,104,255,.18);font-size:1.3rem}.site-logo b{color:var(--blue)}
.site-nav ul{display:flex;gap:20px;align-items:center;list-style:none;margin:0;padding:0}.site-nav a{text-decoration:none;font-weight:750;font-size:.95rem}.site-nav a:hover{color:var(--blue)}.nav-pill{padding:10px 14px;border-radius:999px;background:var(--navy)!important;color:#fff!important}.menu-toggle{display:none;border:0;background:transparent;font-size:1.8rem;padding:8px;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;text-decoration:none;font-weight:850;border:2px solid transparent;cursor:pointer;transition:.2s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--navy);color:white}.btn-bright{background:var(--yellow);color:var(--ink);box-shadow:0 8px 0 rgba(23,32,51,.10)}.btn-white{background:#fff;color:var(--navy);border-color:rgba(255,255,255,.5)}.btn-outline{border-color:var(--navy);background:transparent;color:var(--navy)}.btn-group{display:flex;gap:12px;flex-wrap:wrap}

/* Homepage hero */
.hero-lab{position:relative;overflow:hidden;padding:82px 0 64px;background:radial-gradient(circle at 12% 15%,rgba(255,211,78,.55),transparent 27%),radial-gradient(circle at 85% 20%,rgba(47,199,232,.38),transparent 28%),linear-gradient(135deg,#f8fbff,#fff9df 56%,#f7f2ff)}.hero-lab:before,.hero-lab:after{content:"";position:absolute;border:2px solid rgba(53,104,255,.16);border-radius:50%}.hero-lab:before{width:420px;height:420px;right:-170px;top:-140px}.hero-lab:after{width:260px;height:260px;right:-70px;top:-60px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:850;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.hero-lab h1{font-size:clamp(2.65rem,6vw,5.35rem);line-height:.98;letter-spacing:-.055em;margin:18px 0}.hero-lab h1 em{font-style:normal;color:var(--blue)}.hero-lab p{font-size:1.18rem;color:#42506a;max-width:720px;margin:0 0 24px}.micro-note{margin-top:18px;font-size:.9rem;color:var(--muted)}
.atom-card{position:relative;min-height:390px;border-radius:36px;background:linear-gradient(145deg,#15213a,#223862);box-shadow:var(--shadow);overflow:hidden;color:#fff;padding:28px}.atom-card .orb{position:absolute;border-radius:50%;filter:blur(.2px)}.orb.a{width:170px;height:170px;background:var(--yellow);right:-25px;top:18px}.orb.b{width:110px;height:110px;background:var(--cyan);left:38px;bottom:36px}.orb.c{width:80px;height:80px;background:var(--rose);right:82px;bottom:52px}.orbit{position:absolute;inset:70px 55px;border:2px solid rgba(255,255,255,.35);border-radius:50%;transform:rotate(23deg)}.orbit.two{transform:rotate(-28deg);inset:105px 30px}.atom-label{position:absolute;left:28px;bottom:26px;right:28px;z-index:3}.atom-label strong{display:block;font-size:1.55rem}.atom-label span{opacity:.82}

/* Section system */
.home-section{padding:72px 0}.home-section.alt{background:var(--soft)}.section-kicker{text-transform:uppercase;font-size:.8rem;font-weight:900;letter-spacing:.14em;color:var(--blue)}.section-title{font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.04em;margin:6px 0 10px}.section-lede{max-width:760px;color:var(--muted);font-size:1.08rem;margin:0 0 30px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.science-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px rgba(23,32,51,.06);overflow:hidden}.science-card:hover{transform:translateY(-3px);transition:.2s ease}.card-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:1.55rem;margin-bottom:18px;background:#eef4ff}.science-card h3{font-size:1.35rem;line-height:1.2;margin:0 0 8px}.science-card p{margin:0;color:var(--muted)}.card-link{display:inline-block;margin-top:16px;font-weight:850;color:var(--blue);text-decoration:none}.accent-yellow{border-top:7px solid var(--yellow)}.accent-cyan{border-top:7px solid var(--cyan)}.accent-violet{border-top:7px solid var(--violet)}.accent-green{border-top:7px solid var(--green)}.accent-orange{border-top:7px solid var(--orange)}.accent-rose{border-top:7px solid var(--rose)}

/* Great minds */
.minds-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mind-card{background:#fff;border-radius:22px;border:1px solid var(--line);padding:22px;min-height:250px;display:flex;flex-direction:column}.mind-avatar{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--yellow),#fff2a4);font-weight:950;font-size:1.35rem;margin-bottom:18px}.mind-card:nth-child(2) .mind-avatar{background:linear-gradient(135deg,var(--cyan),#bdeffc)}.mind-card:nth-child(3) .mind-avatar{background:linear-gradient(135deg,#c7b6ff,#f0e9ff)}.mind-card:nth-child(4) .mind-avatar{background:linear-gradient(135deg,#ffd0dc,#fff0f4)}.mind-card h3{margin:0 0 7px;font-size:1.25rem}.mind-card small{font-weight:800;color:var(--blue);margin-bottom:10px}.mind-card p{color:var(--muted);margin:0}.mind-card .card-link{margin-top:auto;padding-top:14px}

/* Project lab */
.project-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}.project-feature{border-radius:28px;padding:30px;background:linear-gradient(135deg,#153058,#244a7b);color:#fff;min-height:360px;position:relative;overflow:hidden}.project-feature h3{font-size:2rem;max-width:520px;margin:10px 0}.project-feature p{max-width:620px;opacity:.86}.project-feature .badge{display:inline-block;background:var(--yellow);color:var(--ink);padding:6px 10px;border-radius:999px;font-weight:900;font-size:.78rem}.project-feature:after{content:"⚡";position:absolute;right:30px;bottom:10px;font-size:10rem;opacity:.09}.project-side{display:grid;gap:18px}.mini-project{border-radius:22px;border:1px solid var(--line);background:#fff;padding:22px}.mini-project h4{font-size:1.15rem;margin:0 0 6px}.mini-project p{margin:0;color:var(--muted)}

/* Reader ideas */
.idea-band{background:linear-gradient(110deg,var(--yellow),#ffe995 44%,#d8f7ff);border-radius:30px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.idea-band h3{font-size:2rem;line-height:1.1;margin:0 0 8px}.idea-band p{margin:0;max-width:760px;color:#3d4a5d}

/* Article grid */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;text-decoration:none;box-shadow:0 8px 22px rgba(23,32,51,.06)}.article-card-media{height:170px;background:linear-gradient(135deg,#d9ecff,#fff1b7);overflow:hidden}.article-card-media img{width:100%;height:100%;object-fit:cover}.article-card-body{padding:20px}.article-card-meta{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--blue)}.article-card h3{margin:7px 0 8px;font-size:1.25rem;line-height:1.24}.article-card p{margin:0;color:var(--muted)}

/* Products */
.products-section{padding:72px 0;background:linear-gradient(180deg,#f6f8fc,#fff)}.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 24px rgba(23,32,51,.06)}.product-icon{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-size:1.5rem;color:#fff;margin-bottom:16px}.product-card h3{font-size:1.25rem;margin:0 0 8px}.product-card p{color:var(--muted)}.product-price{font-size:1.4rem;font-weight:900;color:var(--blue);margin:14px 0}.coming-badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef3ff;color:var(--blue);font-weight:850;font-size:.78rem;margin-bottom:10px}

/* Content pages */
.content-shell{width:min(860px,calc(100% - 34px));margin:0 auto;padding:56px 0}.content-shell article{font-size:1.08rem}.content-shell h1{font-size:clamp(2.2rem,5vw,4rem);line-height:1.05;letter-spacing:-.04em}.entry-meta{color:var(--muted);margin:10px 0 26px}.content-shell p{margin:0 0 1.25em}.content-shell h2,.content-shell h3{line-height:1.2;margin-top:1.6em}.post-nav{display:flex;justify-content:space-between;gap:18px;padding:28px 0;border-top:1px solid var(--line);margin-top:38px}.comments-area{margin-top:36px;padding-top:30px;border-top:1px solid var(--line)}

/* Footer */
.site-footer{background:var(--navy);color:#fff;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}.footer-section h4{margin:0 0 14px}.footer-section p,.footer-section a{color:#cbd5e1}.footer-section ul{list-style:none;margin:0;padding:0}.footer-section li{margin:8px 0}.footer-section a{text-decoration:none}.footer-section a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;color:#9fb0c8;font-size:.9rem}

@media(max-width:900px){.hero-grid,.project-grid,.idea-band{grid-template-columns:1fr}.cards,.article-grid,.products-grid{grid-template-columns:repeat(2,1fr)}.minds-grid{grid-template-columns:repeat(2,1fr)}.site-nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:18px}.site-nav.open{display:block}.site-nav ul{flex-direction:column;align-items:stretch;gap:8px}.site-nav a{display:block;padding:10px}.menu-toggle{display:block}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.hero-lab{padding:58px 0 44px}.atom-card{min-height:300px}.cards,.article-grid,.products-grid,.minds-grid{grid-template-columns:1fr}.home-section,.products-section{padding:52px 0}.idea-band{padding:25px}.btn-group{flex-direction:column;align-items:stretch}.btn{width:100%}.footer-grid{grid-template-columns:1fr}.section-container,.header-container,.footer-container{width:min(100% - 26px,var(--max))}}


/* Plugin review catalog (v1.2.0) */
.plugin-review-notice{margin:22px 0 34px;padding:22px;border:1px solid var(--line);border-left:6px solid var(--yellow);border-radius:18px;background:#fffdf2;box-shadow:var(--shadow)}
.plugin-review-notice strong{display:block;font-size:1.12rem;margin-bottom:5px}.plugin-status{display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;background:#eef3ff;color:var(--blue);font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.plugin-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;color:var(--muted);font-size:.88rem}.btn-disabled{background:#e8edf4!important;color:#65738a!important;cursor:not-allowed!important;box-shadow:none!important}.btn-disabled:hover{transform:none!important}

/* v1.2.1 plugin catalog safety */
.plugin-tagline{font-size:1rem!important;line-height:1.35;margin:-2px 0 10px!important;color:var(--blue)!important}

/* v1.3.0 idea inbox + pinned content */
.idea-form-shell{margin-top:26px;max-width:920px}.idea-form-fallback{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 24px rgba(23,32,51,.06)}
.feature-placeholder{height:100%;display:grid;place-items:center;font-size:3rem;background:linear-gradient(135deg,#fff3bc,#d9f6ff)}
.featured-card{outline:2px solid rgba(255,211,78,.28)}
.prostack-idea-form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 10px 28px rgba(23,32,51,.07)}
.prostack-idea-form .idea-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.prostack-idea-form label{display:block;font-weight:800;margin-bottom:6px}
.prostack-idea-form input,.prostack-idea-form select,.prostack-idea-form textarea{width:100%;padding:12px 13px;border:1px solid #cfd9e6;border-radius:12px;background:#fff;color:var(--ink);font:inherit}
.prostack-idea-form textarea{min-height:180px;resize:vertical}
.prostack-idea-form .idea-full{grid-column:1/-1}
.prostack-idea-form .idea-note{font-size:.9rem;color:var(--muted);margin:6px 0 0}
.prostack-idea-form .idea-submit{margin-top:18px}
.prostack-idea-message{margin:0 0 18px;padding:13px 15px;border-radius:12px;background:#ecfff5;border:1px solid #bcebd3}
@media(max-width:620px){.prostack-idea-form .idea-grid{grid-template-columns:1fr}.prostack-idea-form .idea-full{grid-column:auto}}


/* v1.4.0 book shelf */
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.book-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 24px rgba(23,32,51,.07)}
.book-cover-link{display:block;background:#0d1729;aspect-ratio:4/5;overflow:hidden}
.book-cover{width:100%;height:100%;display:block;object-fit:cover;object-position:center}
.book-card-body{display:flex;flex-direction:column;flex:1;padding:21px}
.book-card h3{font-size:1.28rem;line-height:1.2;margin:0 0 9px}
.book-card p{margin:0 0 18px;color:var(--muted)}
.book-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.book-actions .btn{width:100%}.book-discount{font-weight:850;color:var(--blue);text-decoration:none}.book-discount:hover{text-decoration:underline}
@media(max-width:1000px){.book-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.book-grid{grid-template-columns:1fr}.book-cover-link{aspect-ratio:5/6}}

/* v1.4.2 mobile book shelf polish */
.book-card{max-width:520px;width:100%;margin-inline:auto}
.book-cover-link{aspect-ratio:4/5;background:#0d1729;display:flex;align-items:center;justify-content:center;padding:14px}
.book-cover{width:100%;height:100%;object-fit:contain;object-position:center;border-radius:10px}
.book-actions{align-items:stretch}.book-discount{display:block;text-align:center;padding:12px 16px;border:2px solid var(--blue);border-radius:999px;text-decoration:none!important;font-weight:850;background:#fff}
.book-discount:hover{background:#f3f7ff}
@media(max-width:620px){.book-grid{gap:28px}.book-card{max-width:460px}.book-card-body{padding:20px}.book-cover-link{aspect-ratio:5/6;padding:12px}.book-cover{height:100%;max-height:none}.book-actions .btn,.book-discount{font-size:1rem}}


/* v1.4.3 mobile navigation polish */
@media(max-width:900px){
  .site-header{position:relative;z-index:1000}
  .site-nav{top:100%;padding:14px 20px 18px;box-shadow:0 14px 28px rgba(23,32,51,.10)}
  .site-nav ul{gap:2px}
  .site-nav li{margin:0}
  .site-nav a,.site-nav .nav-pill{display:block;padding:12px 4px;border-radius:0;background:transparent!important;color:var(--ink)!important;font-size:1rem}
  .site-nav a:hover,.site-nav a:focus{color:var(--blue)!important;background:transparent!important}
  .site-nav li+li{border-top:1px solid rgba(23,32,51,.06)}
}
@media(max-width:620px){
  .hero-lab{padding:44px 0 42px}
  .hero-lab h1{margin-top:12px}
  .hero-lab p{margin-top:14px}
  .micro-note{margin-top:20px}
}


/* v1.4.6 interactive Space & Earth */
.space-earth-section{padding:72px 0;background:linear-gradient(180deg,#0d1930 0,#132846 72%,#10213b 100%);color:#fff;scroll-margin-top:90px}
.space-earth-section .section-kicker{color:#80e6ff}.space-earth-section .section-title{color:#fff}.space-earth-section .section-lede{color:#d0daea}
.space-live-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px;align-items:stretch;margin-top:30px}
.space-panel{border:1px solid rgba(255,255,255,.13);border-radius:22px;background:rgba(255,255,255,.07);padding:20px;min-width:0}.space-panel-wide{padding:20px}
.space-panel-head,.space-explorer-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}.space-panel-head strong{font-size:1.08rem}.space-source{font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#aeefff}
.live-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#ff5e72;margin-right:9px;box-shadow:0 0 0 5px rgba(255,94,114,.14)}
.video-frame-wrap{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#050b14}.video-frame-wrap iframe,.space-iframe-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.space-note{color:#b8c7da;font-size:.9rem;margin:12px 0 0}.space-note-tight{margin-top:14px}
.space-tabs{display:flex;gap:8px;flex-wrap:wrap}.space-tab{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);color:#fff;border-radius:999px;padding:10px 13px;font:inherit;font-weight:800;cursor:pointer;min-height:44px}.space-tab:hover,.space-tab:focus,.space-tab.is-active{background:#fff;color:#14223a;border-color:#fff}
.space-explorer-shell{margin-top:22px;border:1px solid rgba(255,255,255,.13);border-radius:24px;overflow:hidden;background:#07101e}.space-explorer-top{padding:16px 18px;margin:0;background:rgba(255,255,255,.07)}.space-explorer-top strong{display:block}.space-explorer-top span{display:block;color:#aebfd5;font-size:.84rem;margin-top:2px}.space-open-link{color:#fff;font-weight:850;text-decoration:none}.space-open-link:hover{text-decoration:underline}
.space-iframe-wrap{position:relative;width:100%;height:620px;background:#050a12}
.space-link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px}.space-link-grid .science-card{height:100%}.space-link-grid .science-card p{color:var(--muted)}
@media(max-width:900px){.space-live-grid{grid-template-columns:1fr}.space-link-grid{grid-template-columns:1fr 1fr}.space-iframe-wrap{height:560px}}
@media(max-width:620px){.space-earth-section{padding:52px 0}.space-link-grid{grid-template-columns:1fr}.space-panel{padding:16px}.space-iframe-wrap{height:480px}.space-tabs{display:grid;grid-template-columns:1fr}.space-tab{width:100%}.space-open-link{width:100%;padding-top:4px}}


/* v1.4.7 Space & Earth corrections */
.space-live-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:14px}
.space-live-fallback{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 15px;border-radius:999px;background:#fff;color:#14223a;font-weight:850;text-decoration:none}
.space-live-fallback:hover,.space-live-fallback:focus{text-decoration:underline}
.space-live-status{color:#b8c7da;font-size:.86rem}
.space-link-grid .science-card{background:#18253a;border:1px solid rgba(255,255,255,.13);box-shadow:none;color:#fff}
.space-link-grid .science-card h3{color:#fff}
.space-link-grid .science-card p{color:#c3cfdf}
.space-link-grid .science-card .card-link{color:#89dcff}
.space-link-grid .science-card .card-icon{background:rgba(255,255,255,.08)}
.space-link-grid .science-card.accent-cyan,.space-link-grid .science-card.accent-violet,.space-link-grid .science-card.accent-yellow{border-top-color:rgba(128,230,255,.65)}

/* Space & Earth engagement update v1.4.9 */
.space-selector-panel{margin-top:30px}
.space-selector-panel .space-tabs{grid-template-columns:repeat(4,minmax(0,1fr))}
.space-discovery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.space-discovery{background:#18253a;border:1px solid rgba(255,255,255,.13);border-radius:22px;padding:22px;color:#fff}
.space-discovery h3{margin:0 0 9px;font-size:1.2rem}.space-discovery p{margin:0;color:#c3cfdf;line-height:1.55}
.space-discovery .card-icon{background:rgba(255,255,255,.08);margin-bottom:14px}
.space-fact-strip{margin-top:20px;padding:18px 20px;border:1px solid rgba(128,230,255,.28);border-radius:18px;background:rgba(128,230,255,.07);color:#d6e5f5;line-height:1.55}
@media(max-width:900px){.space-selector-panel .space-tabs{grid-template-columns:1fr 1fr}.space-discovery-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.space-selector-panel .space-tabs{grid-template-columns:1fr}.space-discovery-grid{grid-template-columns:1fr}.space-explorer-top{padding-bottom:14px}}

/* v1.5.0 continuation pages: grow the site, not the homepage */
.continuation-band{margin-top:26px;padding:24px;border:1px solid var(--line);border-radius:22px;background:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}.continuation-band h3{margin:3px 0 7px;font-size:1.45rem}.continuation-band p{margin:0;color:var(--muted)}.continuation-label{font-size:.75rem;font-weight:900;letter-spacing:.11em;text-transform:uppercase;color:var(--violet)}.name-cloud{display:flex;gap:9px;flex-wrap:wrap}.name-cloud a{padding:9px 12px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--ink);font-weight:800;text-decoration:none}.name-cloud a:hover{border-color:var(--blue);color:var(--blue)}.name-cloud .name-more{background:var(--navy);color:#fff;border-color:var(--navy)}
.mars-continuation{margin-top:24px;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:22px;border:1px solid rgba(255,165,120,.35);border-radius:22px;background:linear-gradient(120deg,rgba(206,83,43,.22),rgba(255,255,255,.06));color:#fff;text-decoration:none}.mars-continuation:hover{border-color:#ffad80}.mars-orb{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#b84f2f;font-size:2rem;font-weight:900}.mars-continuation small{display:block;color:#ffb18e;font-weight:900;letter-spacing:.1em}.mars-continuation strong{display:block;font-size:1.45rem;margin:2px 0}.mars-continuation em{display:block;color:#c9d4e3;font-style:normal}.mars-continuation b{white-space:nowrap;color:#fff}
.continuation-hero,.mars-hero{padding:72px 0;background:var(--navy);color:#fff}.continuation-hero h1,.mars-hero h1{font-size:clamp(2.4rem,7vw,5rem);margin:7px 0 12px}.continuation-hero p,.mars-hero p{max-width:760px;color:#cdd8e8;font-size:1.15rem;margin-bottom:24px}.bio-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.bio-card{scroll-margin-top:100px;display:grid;grid-template-columns:auto 1fr;gap:18px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:22px}.bio-card h2{margin:0 0 4px}.bio-card small{color:var(--violet);font-weight:800}.bio-card p{color:var(--muted);line-height:1.65}.bio-coming{font-size:.82rem;font-weight:800;color:var(--blue)}
.mars-hero{background:linear-gradient(135deg,#35150f,#9c3f24 55%,#24130f)}.mars-content{padding:58px 0;background:#0c1628;color:#fff}.mars-intro{max-width:820px;margin-bottom:20px}.mars-intro span{color:#ff9d73;font-size:.76rem;font-weight:900;letter-spacing:.12em}.mars-intro h2{font-size:clamp(2rem,5vw,3.3rem);margin:5px 0 9px}.mars-intro p{color:#c5d0df;line-height:1.65}.mars-frame{position:relative;height:650px;border:1px solid rgba(255,255,255,.14);border-radius:24px;overflow:hidden;background:#050a12}.mars-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.mars-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 54px}.mars-facts article{padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.06)}.mars-facts b{font-size:1.6rem}.mars-facts h3{margin:8px 0}.mars-facts p{color:#c5d0df;margin:0}.mars-second{margin-top:18px}.mars-note{margin-top:20px;padding:18px 20px;border-radius:18px;background:rgba(255,157,115,.09);border:1px solid rgba(255,157,115,.28);color:#d9e1ec}
@media(max-width:760px){.continuation-band{grid-template-columns:1fr}.mars-continuation{grid-template-columns:auto 1fr}.mars-continuation b{grid-column:2}.bio-grid{grid-template-columns:1fr}.mars-facts{grid-template-columns:1fr}.mars-frame{height:500px}.continuation-hero,.mars-hero{padding:52px 0}}
@media(max-width:480px){.mars-continuation{grid-template-columns:1fr}.mars-continuation b{grid-column:auto}.mars-frame{height:460px}.bio-card{grid-template-columns:1fr}.bio-card .mind-avatar{margin-bottom:0}}

/* v1.5.1 Great Minds: finished editorial cards, no placeholder copy */
.mind-article{margin-top:18px;padding:18px 19px;border-radius:17px;background:var(--soft);border:1px solid var(--line)}.mind-article>span{display:block;margin-bottom:5px;font-size:.7rem;font-weight:900;letter-spacing:.11em;color:var(--blue)}.mind-article h3{margin:0 0 8px;font-size:1.12rem;line-height:1.3}.mind-article p{margin:0 0 10px;color:var(--muted);line-height:1.6}.mind-article strong{display:block;font-size:.88rem;line-height:1.55;color:var(--ink)}

/* v1.5.3 Books for Curious Minds — visual PLG bridge */
.mind-learning-section{background:linear-gradient(180deg,#fffdf7 0%,#f4f8fc 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mind-learning-head{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.plg-feature-link{display:flex;flex-direction:column;justify-content:center;padding:24px;border-radius:24px;text-decoration:none;background:linear-gradient(135deg,#142844,#234e78);color:#fff;box-shadow:0 14px 32px rgba(23,32,51,.13)}
.plg-feature-link span{font-size:.76rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:#8be7ff}.plg-feature-link strong{display:block;font-size:1.35rem;line-height:1.2;margin:6px 0 8px}.plg-feature-link small{color:#d6e1ee;line-height:1.55;font-size:.9rem}
.learning-book-grid-five{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px}
.learning-book-card{display:grid;grid-template-columns:180px 1fr;min-width:0;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 26px rgba(23,32,51,.065)}
.learning-book-card>img{width:100%;height:100%;min-height:230px;object-fit:cover;object-position:center;background:#eef2f7}
.learning-book-copy{display:flex;flex-direction:column;padding:22px;min-width:0}.learning-tag{display:inline-block;align-self:flex-start;padding:6px 9px;border-radius:999px;background:#edf5ff;color:var(--blue);font-size:.7rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase;margin-bottom:10px}
.learning-book-copy h3{font-size:1.2rem;line-height:1.28;margin:0 0 9px;color:var(--ink)}.learning-book-copy p{color:var(--muted);margin:0 0 18px;line-height:1.58}
.learning-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:auto}.learning-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 13px;border-radius:999px;border:1px solid var(--line);font-weight:850;text-decoration:none;color:var(--ink);background:#fff}.learning-actions a:hover{border-color:var(--blue);color:var(--blue)}.learning-actions .learning-buy{background:var(--navy);border-color:var(--navy);color:#fff}.learning-actions .learning-buy:hover{color:#fff;filter:brightness(1.06)}
.learning-book-grid-five .learning-book-card:last-child{grid-column:1/-1;max-width:760px;width:100%;justify-self:center}
.plg-reason-panel{margin-top:28px;padding:24px 26px;border:1px solid #cfe2f1;border-radius:24px;background:linear-gradient(120deg,#edf8ff,#fff9e7);display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.plg-reason-panel span{display:block;font-size:.73rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.plg-reason-panel strong{display:block;font-size:1.3rem;margin:4px 0 6px}.plg-reason-panel p{margin:0;color:var(--muted);line-height:1.6}.plg-reason-panel>a{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:999px;background:var(--blue);color:#fff;text-decoration:none;font-weight:900;white-space:nowrap}
@media(max-width:980px){.mind-learning-head{grid-template-columns:1fr}.learning-book-grid-five{grid-template-columns:1fr}.learning-book-grid-five .learning-book-card:last-child{grid-column:auto;max-width:none}}
@media(max-width:620px){.learning-book-card{grid-template-columns:118px 1fr;border-radius:20px}.learning-book-card>img{min-height:210px}.learning-book-copy{padding:17px 15px}.learning-book-copy h3{font-size:1.04rem}.learning-book-copy p{font-size:.91rem;line-height:1.48;margin-bottom:14px}.learning-tag{font-size:.61rem;padding:5px 7px}.learning-actions{display:grid;grid-template-columns:1fr;gap:7px}.learning-actions a{min-height:38px;font-size:.86rem;padding:8px 10px}.plg-feature-link{padding:20px}.plg-reason-panel{grid-template-columns:1fr;padding:20px}.plg-reason-panel>a{white-space:normal;text-align:center}}

/* v1.5.4 Mind & Learning: compact homepage entry + permanent indexable topic pages */
.mind-learning-compact-head{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:end}.mind-learning-compact-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.learning-teaser-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:26px}.learning-teaser-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--line);border-radius:19px;overflow:hidden;text-decoration:none;box-shadow:0 8px 22px rgba(23,32,51,.055);transition:.2s ease}.learning-teaser-card:hover{transform:translateY(-3px);border-color:#b9c9dc}.learning-teaser-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.learning-teaser-card span{display:flex;flex-direction:column;padding:12px 13px;gap:2px}.learning-teaser-card b{font-size:.94rem;line-height:1.25}.learning-teaser-card small{color:var(--muted);font-weight:700}.cryptography-teaser{margin-top:18px;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 20px;border-radius:20px;background:linear-gradient(110deg,#17243e,#263c63);color:#fff;text-decoration:none}.cryptography-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:rgba(255,255,255,.1);font-size:1.45rem}.cryptography-teaser small{display:block;color:#8be7ff;font-weight:900;letter-spacing:.09em}.cryptography-teaser strong{display:block;font-size:1.2rem}.cryptography-teaser em{display:block;font-style:normal;color:#cbd7e8}.cryptography-teaser>b{white-space:nowrap}
.learning-hub-hero,.learning-topic-hero{padding:72px 0;background:radial-gradient(circle at 88% 15%,rgba(255,211,78,.3),transparent 24%),linear-gradient(135deg,#12203a,#233c66);color:#fff}.learning-hub-hero-grid,.learning-topic-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.learning-hub-hero h1,.learning-topic-hero h1{font-size:clamp(2.5rem,6vw,5rem);line-height:1;letter-spacing:-.045em;margin:16px 0}.learning-hub-hero p,.learning-topic-hero p{max-width:760px;color:#d4dfed;font-size:1.12rem}.learning-hub-orbit{position:relative;min-height:330px;border-radius:50%;border:2px solid rgba(255,255,255,.18);display:grid;place-items:center}.learning-hub-orbit:before,.learning-hub-orbit:after{content:"";position:absolute;inset:42px;border:2px solid rgba(255,255,255,.13);border-radius:50%;transform:rotate(32deg)}.learning-hub-orbit:after{inset:82px;transform:rotate(-28deg)}.learning-hub-orbit strong{position:relative;z-index:2;font-size:2.6rem;letter-spacing:.08em}.learning-hub-orbit>span{position:absolute;z-index:3;width:62px;height:62px;border-radius:18px;display:grid;place-items:center;background:#fff;color:var(--ink);font-weight:950;box-shadow:0 10px 24px rgba(0,0,0,.16)}.learning-hub-orbit>span:nth-child(1){left:8%;top:20%}.learning-hub-orbit>span:nth-child(2){right:6%;top:20%}.learning-hub-orbit>span:nth-child(3){left:16%;bottom:10%}.learning-hub-orbit>span:nth-child(4){right:13%;bottom:8%}.learning-topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.learning-topic-card{display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);border-radius:22px;background:#fff;text-decoration:none;min-height:250px}.learning-topic-card>span{font-size:1.35rem;font-weight:950;color:var(--blue)}.learning-topic-card h3{font-size:1.35rem;margin:12px 0 7px}.learning-topic-card p{color:var(--muted);margin:0 0 16px}.learning-topic-card b{margin-top:auto;color:var(--blue)}.learning-topic-card.featured{background:linear-gradient(145deg,#17243e,#293f66);color:#fff;border-color:#17243e}.learning-topic-card.featured p{color:#d2deec}.learning-topic-card.featured b,.learning-topic-card.featured>span{color:#8be7ff}.hub-book-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.hub-book-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.hub-book-card>a{display:block}.hub-book-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.hub-book-card>div{padding:14px}.hub-book-card small{color:var(--blue);font-weight:850}.hub-book-card h3{font-size:1rem;line-height:1.3;margin:5px 0 10px}.hub-book-card a{text-decoration:none;font-weight:800}.plg-network-panel,.next-book-panel{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;margin-top:28px;padding:26px;border-radius:24px;border:1px solid var(--line);background:#fff}.plg-network-panel span{font-size:.74rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.plg-network-panel h3{font-size:1.6rem;margin:4px 0}.plg-network-panel p,.next-book-panel p{color:var(--muted);margin:0;max-width:820px}.next-book-panel{margin-top:0;background:linear-gradient(120deg,#fff7d8,#edf8ff)}.next-book-panel h2{margin:5px 0 8px}.learning-topic-symbol{width:min(320px,72vw);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;justify-self:center;background:linear-gradient(145deg,#ffd34e,#2fc7e8);color:#172033;font-weight:950;font-size:clamp(3rem,9vw,7rem);box-shadow:0 20px 60px rgba(0,0,0,.22)}.topic-back{display:inline-block;margin-top:14px;color:#fff;font-weight:850;text-decoration:none}.topic-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:34px;align-items:start}.topic-article{max-width:780px}.topic-article section{padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line)}.topic-article h2{font-size:1.65rem;margin:0 0 10px}.topic-article p{font-size:1.05rem;color:#4f5f77;line-height:1.8;margin:0}.topic-next-links{padding:20px;border-radius:18px;background:var(--soft)}.topic-next-links strong{display:block;margin-bottom:10px}.topic-next-links div{display:flex;gap:10px;flex-wrap:wrap}.topic-next-links a{font-weight:800;color:var(--blue)}.topic-book-aside{position:sticky;top:105px;padding:18px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 10px 26px rgba(23,32,51,.06)}.topic-book-aside>img{width:100%;border-radius:14px;aspect-ratio:4/3;object-fit:cover}.topic-book-aside>span{display:block;margin-top:14px;color:var(--blue);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.topic-book-aside h2{font-size:1.3rem;line-height:1.3;margin:5px 0 8px}.topic-book-aside p{color:var(--muted)}.topic-book-buttons{display:grid;gap:9px}.crypto-book-placeholder{min-height:260px;border-radius:16px;background:linear-gradient(145deg,#17243e,#2a436e);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:3rem}.crypto-book-placeholder strong{font-size:1.35rem;line-height:1.2;margin:12px 0}.crypto-book-placeholder small{font-size:.8rem;color:#8be7ff;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
@media(max-width:1000px){.learning-teaser-row,.hub-book-grid{grid-template-columns:repeat(3,1fr)}.learning-topic-grid{grid-template-columns:1fr 1fr}.learning-hub-hero-grid,.learning-topic-hero-grid{grid-template-columns:1fr}.learning-hub-orbit{max-width:520px;width:100%;justify-self:center}.topic-reading-layout{grid-template-columns:1fr}.topic-book-aside{position:static;max-width:560px}.mind-learning-compact-head{grid-template-columns:1fr}.mind-learning-compact-actions{justify-content:flex-start}}
@media(max-width:660px){.learning-teaser-row{grid-template-columns:1fr 1fr}.hub-book-grid{grid-template-columns:1fr 1fr}.learning-topic-grid{grid-template-columns:1fr}.cryptography-teaser{grid-template-columns:auto 1fr}.cryptography-teaser>b{grid-column:2}.plg-network-panel,.next-book-panel{grid-template-columns:1fr}.learning-hub-orbit{min-height:270px}.learning-topic-symbol{width:210px}.topic-article p{font-size:1rem}.mind-learning-compact-actions{display:grid;grid-template-columns:1fr}.mind-learning-compact-actions .btn{width:100%}}


/* v1.5.6 compact science-fiction shelf + indexable book detail pages */
.fiction-compact-head{max-width:900px;margin-bottom:28px}
.fiction-teaser-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.fiction-teaser-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;text-decoration:none;color:var(--ink);box-shadow:0 8px 24px rgba(23,32,51,.055);transition:transform .18s ease,box-shadow .18s ease}
.fiction-teaser-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(23,32,51,.1)}
.fiction-teaser-card img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;background:#101a2d}
.fiction-teaser-card span{display:block;padding:15px 16px 17px}
.fiction-teaser-card b{display:block;font-size:1rem;line-height:1.3;margin-bottom:5px}
.fiction-teaser-card small{display:block;color:var(--muted);font-size:.82rem;font-weight:750}
.fiction-detail-hero{padding:54px 0 76px;background:#f5f7fb}
.fiction-back{display:inline-block;margin-bottom:20px;color:var(--blue);font-weight:850;text-decoration:none}
.fiction-detail-card{max-width:980px;margin:auto;overflow:hidden;border-radius:30px;background:#fff;border:1px solid var(--line);box-shadow:0 16px 45px rgba(23,32,51,.08)}
.fiction-detail-cover{background:#0d1729;padding:28px;display:flex;justify-content:center}
.fiction-detail-cover img{display:block;width:min(100%,520px);max-height:760px;object-fit:contain}
.fiction-detail-copy{padding:34px 40px 40px}
.fiction-detail-copy>span{display:block;color:var(--blue);font-size:.76rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.fiction-detail-copy h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.04;margin:8px 0 6px;color:var(--ink)}
.fiction-author{font-weight:800;color:var(--muted);margin:0 0 24px}
.fiction-description{max-width:800px}
.fiction-description p{font-size:1.04rem;line-height:1.72;color:#56657a;margin:0 0 9px}
.fiction-detail-actions{display:grid;gap:10px;margin-top:28px;max-width:620px}
.fiction-detail-actions .btn,.fiction-detail-actions .book-discount{width:100%;text-align:center}
.fiction-plg-link{display:block;text-align:center;padding:12px 16px;font-weight:850;color:var(--blue);text-decoration:none}
@media(max-width:900px){.fiction-teaser-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.fiction-teaser-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.fiction-teaser-card{border-radius:18px}.fiction-teaser-card span{padding:13px 12px 15px}.fiction-teaser-card b{font-size:.93rem}.fiction-teaser-card small{font-size:.76rem}.fiction-detail-hero{padding-top:34px}.fiction-detail-card{border-radius:22px}.fiction-detail-cover{padding:18px}.fiction-detail-copy{padding:25px 22px 30px}.fiction-description p{font-size:.98rem;line-height:1.65}}