/*
Theme Name: Parenting by Science
Theme URI: https://parentingbyscience.org
Author: Parenting by Science
Author URI: https://parentingbyscience.org
Description: The Parenting by Science site design as a WordPress theme. Cream and coral, the 12-episode launch series with full paper references, and the Did You Know Shorts. Faithful port of the standalone site.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: parenting-by-science
*/

:root{
  --cream:#FFF6E5; --cream2:#FEF3D8; --paper:#FFFBF0; --card:#FFFFFF;
  --coral:#C8452C; --coral2:#F2765C; --coral-soft:#FDE3DB; --brown:#73251D; --brown2:#7A2A20;
  --ink:#3D1E18; --muted:#7A5A52; --line:#F0DCC0; --gold:#E9A23B; --sage:#5B7F5E;
  --shadow:0 10px 30px rgba(115,37,29,.10);
}
@media (prefers-color-scheme: dark){
  :root{ --cream:#211512; --cream2:#2A1B16; --paper:#241814; --card:#2E1E18; --ink:#FBEEDD; --muted:#D8B8A8; --line:#4A2E25; --coral-soft:#4A2A20;
--coral:#EE6A52; --shadow:0 10px 30px rgba(0,0,0,.35); }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Nunito",system-ui,sans-serif;background:var(--cream);color:var(--ink);line-height:1.6}
h1,h2,h3{font-family:"Lora",Georgia,serif;color:var(--brown);line-height:1.15;margin:0}
@media (prefers-color-scheme: dark){ h1,h2,h3{color:#FFD9C7} }
a{color:var(--brown2);font-weight:800}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--cream) 92%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;padding:10px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--coral)}
.brand b{font-family:"Lora",serif;font-size:1.05rem;color:var(--brown)}
@media (prefers-color-scheme: dark){ .brand b{color:#FFD9C7} }
.brand span{display:block;font-size:.72rem;font-weight:800;letter-spacing:.04em;color:var(--muted);font-family:"Nunito",sans-serif}
.navlinks{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.navlinks button,.btn{border:0;cursor:pointer;font-family:inherit;font-weight:900;border-radius:999px;padding:10px 18px;font-size:.95rem}
.navlinks button{background:transparent;color:var(--ink)}
.navlinks button.active{background:var(--brown);color:#FFF6E5}
.btn-coral{background:var(--coral);color:#fff;text-decoration:none;display:inline-block;box-shadow:0 6px 16px rgba(238,106,82,.35)}
.btn-outline{background:var(--card);color:var(--brown);border:2px solid var(--brown);text-decoration:none;display:inline-block}
.btn-brown{background:var(--brown);color:#FFF6E5;text-decoration:none;display:inline-block}
.hero{padding:44px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.kicker{display:inline-block;background:var(--coral-soft);color:var(--brown);font-weight:900;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.6rem);margin:16px 0 12px}
.hero h1 em{color:var(--coral);font-style:normal}
.lede{font-size:1.18rem;color:var(--muted);max-width:34em}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.85rem;font-weight:800}
.hero-img{background:var(--cream2);border-radius:28px;padding:18px;box-shadow:var(--shadow)}
.hero-img img{width:100%;border-radius:20px;display:block}
.hero-img p{text-align:center;font-weight:800;color:var(--muted);font-size:.9rem;margin:10px 0 2px}
section{padding:34px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.sec-head h2{font-size:1.9rem}
.sec-head p{color:var(--muted);margin:6px 0 0;max-width:44em}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.topic-card{cursor:pointer;text-align:left;width:100%;font-family:inherit}
.topic-card h3{font-size:1.25rem;margin-bottom:6px}
.topic-card p{color:var(--muted);margin:0}
.topic-emoji{font-size:1.7rem;display:block;margin-bottom:8px}
.ep-card{display:flex;flex-direction:column;gap:8px}
.ep-top{display:flex;justify-content:space-between;align-items:center}
.ep-num{background:var(--brown);color:#FFF6E5;font-weight:900;border-radius:999px;padding:4px 12px;font-size:.82rem}
.ep-time{font-weight:800;color:var(--muted);font-size:.85rem}
.ep-card h3{font-size:1.18rem}
.ep-card .paper{color:var(--muted);font-weight:700;font-size:.92rem;margin:0}
.ep-card .strat{background:var(--cream2);border-radius:12px;padding:12px 14px;font-size:.95rem}
.ep-card .strat b{color:var(--brown)}
.card-actions{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.linkbtn{background:none;border:0;color:var(--brown);font-weight:900;cursor:pointer;font-family:inherit;font-size:.95rem;padding:0;text-decoration:underline;text-underline-offset:3px}
.soon{font-size:.78rem;font-weight:900;background:#FFF0C9;color:#7A5410;border-radius:999px;padding:4px 10px;text-transform:uppercase;letter-spacing:.05em}
@media (prefers-color-scheme: dark){ .soon{background:#4A3A12;color:#FFE08A} .ep-card .strat{background:var(--cream2)} }
.featured{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;overflow:hidden;padding:0}
.featured img{width:100%;height:100%;object-fit:cover;display:block;min-height:280px}
.featured-body{padding:28px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}
.step .n{width:38px;height:38px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:10px}
.controls{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;align-items:center}
.controls input{flex:1;min-width:220px;padding:13px 16px;border-radius:999px;border:2px solid var(--line);background:var(--card);color:var(--ink);font-family:inherit;font-size:1rem;font-weight:700}
.fchip{border:2px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:9px 14px;font-weight:900;cursor:pointer;font-family:inherit}
.fchip.active{background:var(--coral);border-color:var(--coral);color:#fff}
.detail-hero{background:var(--cream2);border-radius:24px;padding:28px;margin:26px 0}
.tldr{background:var(--brown);color:#FFF6E5;border-radius:18px;padding:22px}
.tldr h2{color:#FFD9C7}
.tldr p{margin:8px 0 0;font-size:1.08rem}
.glance{background:var(--card);border:2px dashed var(--coral);border-radius:18px;padding:22px}
.trybox{background:#EAF3EA;border:2px solid var(--sage);border-radius:18px;padding:22px}
@media (prefers-color-scheme: dark){ .trybox{background:#1E2E1F} }
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:900;cursor:pointer;color:var(--brown)}
@media (prefers-color-scheme: dark){ summary{color:#FFD9C7} }
footer{background:var(--brown);color:#FDEBD9;margin-top:40px;padding:36px 0 28px}
footer a{color:#FFC9B8}
footer h3{color:#fff}
.disclaimer{border:1px solid rgba(255,255,255,.35);border-radius:14px;padding:14px 16px;margin-top:18px;font-size:.95rem}
.hidden{display:none!important}
.badge{display:inline-block;background:var(--coral-soft);color:var(--brown);border:1px solid var(--line);font-weight:900;font-size:.75rem;letter-spacing:.03em;text-transform:uppercase;padding:3px 10px;border-radius:999px}
.launch-alert{display:inline-block;background:var(--card);color:var(--brown);border:2px solid var(--brown);border-radius:999px;padding:7px 13px;font-weight:900;font-size:.85rem;text-decoration:none}
.disclaimer-top{background:#FFF0C9;color:#7A5410;border-radius:12px;padding:9px 13px;font-size:.9rem;font-weight:700;margin-top:14px}
@media (prefers-color-scheme: dark){ .disclaimer-top{background:#4A3A12;color:#FFE08A} }
.notify{background:var(--card);border:1.5px solid var(--coral);border-radius:18px;padding:20px;margin-top:20px;text-align:left}
.notify h3{font-size:1.2rem;margin-bottom:6px}
.notify p{margin:0 0 12px;color:var(--muted)}
.notify form{display:flex;gap:10px;flex-wrap:wrap}
.notify input[type=email]{flex:1;min-width:210px;padding:12px 16px;border-radius:999px;border:2px solid var(--line);background:var(--cream);color:var(--ink);font-family:inherit;font-size:1rem;font-weight:700}
.notify .fineprint{font-size:.82rem;margin:10px 0 0}
.notify .status{font-weight:800;color:var(--sage);margin-top:8px}
.copybtn{margin-top:12px}
.card{border-color:#EBD3AE}
@media (prefers-color-scheme: dark){ .card{border-color:var(--line)} }
@media(max-width:640px){ .chips{gap:6px} .chip{font-size:.76rem;padding:5px 9px} .hero{padding-top:28px} .notify form .btn{width:100%} }
.small{font-size:.9rem;color:var(--muted)}
ul.tight{margin:8px 0;padding-left:20px}
ul.tight li{margin-bottom:6px}
.crumbs{font-size:.85rem;font-weight:800;color:var(--muted);margin:20px 0 2px}
.crumbs a{color:var(--brown2)}
.hublist{list-style:none;margin:10px 0 0;padding:0}
.hublist li{border-top:1px solid var(--line);padding:9px 0;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.hublist li:first-child{border-top:0;padding-top:2px}
.hublist a{font-weight:900;text-decoration:none}
.hublist a:hover{text-decoration:underline}
.hubcount{color:var(--muted);font-weight:800;font-size:.85rem;white-space:nowrap}
.pillrow{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.pillrow a{background:var(--card);border:1.5px solid var(--brown);color:var(--brown);border-radius:999px;padding:6px 13px;font-weight:900;font-size:.85rem;text-decoration:none}
.qblock{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:12px;box-shadow:var(--shadow)}
.qblock h3{font-size:1.08rem;margin-bottom:6px}
.qblock p{margin:0}
.sitemap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:28px}
.sitemap h4{color:#fff;margin:0 0 8px;font-family:"Lora",serif;font-size:1rem}
.sitemap a{display:block;font-weight:700;font-size:.88rem;margin-bottom:5px}
@media(max-width:860px){ .sitemap{grid-template-columns:repeat(2,1fr)} }
@media(max-width:860px){ .hero-grid,.featured{grid-template-columns:1fr} .grid3,.grid2,.steps{grid-template-columns:1fr} .featured img{min-height:200px} }

/* PBS UX fixes: sticky header */
header{position:sticky;top:0;z-index:1000;background:color-mix(in srgb, var(--cream) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(115,37,29,.08)}