/*
Theme Name: RubricLab
Theme URI: https://rubriclab.com
Author: RubricLab
Description: Linear meets academic archive. Serif typography, cream and sapphire palette, question archive with blurred locked steps, tutor profiles and custom paper request form.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rubriclab
*/
:root{--bg:#FAF8F5;--fg:#1E2533;--card:#fff;--primary:#2548B8;--primary-fg:#FAF8F5;--muted:#F4F1EA;--muted-fg:#64748B;--cream:#F7F2E8;--ink:#141824;--ink-fg:#F8F6F2;--border:#E6E0D6;--success:#15803D;--serif:'Newsreader',Georgia,serif;--sans:'Geist',-apple-system,'Segoe UI',sans-serif;--shadow:0 1px 2px rgba(30,37,51,.06),0 8px 24px -12px rgba(30,37,51,.15)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}h2{font-size:1.9rem}h3{font-size:1.3rem}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:780px}
.site-header{position:sticky;top:0;z-index:40;background:rgba(250,248,245,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:20px}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--serif);font-size:1.3rem;font-weight:600;color:var(--fg)}.brand img{width:22px}
.nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0}.nav a{color:var(--muted-fg);font-size:.92rem}.nav a:hover{color:var(--fg);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:var(--primary-fg)!important;border:0;border-radius:8px;padding:11px 20px;font:500 .95rem var(--sans);cursor:pointer;text-decoration:none!important}.btn:hover{opacity:.92}
.btn-outline{background:transparent;color:var(--fg)!important;border:1px solid var(--border)}
.hero{padding:80px 0 60px;border-bottom:1px solid var(--border)}.eyebrow{font:500 .75rem var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--primary)}
.lead{font-size:1.15rem;color:var(--muted-fg);max-width:620px}
.search{display:flex;gap:8px;margin-top:28px;max-width:620px}.search input{flex:1;padding:13px 16px;border:1px solid var(--border);border-radius:8px;background:var(--card);font:1rem var(--sans)}
.section{padding:64px 0}.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.g4{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;box-shadow:var(--shadow)}.card h3 a{color:var(--fg)}
.meta{font-size:.82rem;color:var(--muted-fg)}.tag{display:inline-block;font-size:.72rem;padding:3px 9px;border-radius:99px;background:var(--muted);color:var(--muted-fg);margin-right:6px}
.ink{background:linear-gradient(160deg,#141824,#1E2538);color:var(--ink-fg)}.ink h2,.ink h3{color:var(--ink-fg)}.ink .meta{color:#A5AEC0}
.cream{background:var(--cream)}
.takeaway{background:var(--cream);border-left:3px solid var(--primary);padding:16px 20px;border-radius:8px;margin:24px 0}
.step{border:1px solid var(--border);border-radius:10px;padding:20px;margin:14px 0;background:var(--card)}.step h4{font-family:var(--sans);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--primary)}
.locked{position:relative}.paywall-blur{filter:blur(6px);user-select:none;pointer-events:none}
.unlock{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;background:linear-gradient(to bottom,transparent,rgba(250,248,245,.95) 40%)}
.layout{display:grid;grid-template-columns:1fr 300px;gap:40px}@media(max-width:900px){.layout{grid-template-columns:1fr}.nav{display:none}}
.expert{display:flex;gap:14px;align-items:center}.expert img{width:56px;height:56px;border-radius:50%;object-fit:cover}.verified{color:var(--success);font-size:.8rem;font-weight:600}
.form label{display:block;font-size:.85rem;font-weight:500;margin:12px 0 4px}.form input,.form select,.form textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:.95rem var(--sans);background:var(--card)}
.site-footer{background:var(--ink);color:#A5AEC0;padding:48px 0;margin-top:60px;font-size:.9rem}.site-footer a{color:var(--ink-fg)}
.breadcrumb{font-size:.82rem;color:var(--muted-fg);margin:24px 0}.pagination{margin:30px 0}.entry-content{font-size:1.05rem}