/*
Theme Name: PregCalc
Theme URI: https://pregcalc.com/
Author: PregCalc
Author URI: https://pregcalc.com/
Description: A YMYL-ready theme for pregnancy calculators and maternal-health content. Built-in medical-reviewer bylines, last-reviewed dates, disclaimers, MedicalWebPage/FAQ/SoftwareApplication schema, breadcrumbs, hub-and-spoke cluster archives, and a shortcode calculator system for easy content expansion.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pregcalc
*/

:root{
  --paper:#FBFAF7; --surface:#FFFFFF;
  --ink:#21383B; --ink-soft:#4A5F61; --ink-faint:#7C8B8C;
  --clay:#C56B5C; --clay-deep:#A8503F; --clay-wash:#F6E9E5;
  --sage:#7E9B8A; --sage-wash:#E6EDE7;
  --line:#E7E0D7; --line-soft:#F0EAE1;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --serif:"Newsreader",Georgia,serif;
  --ui:"Inter",system-ui,sans-serif;
  --r:14px; --maxw:760px; --wide:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--clay-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2.5px solid var(--clay);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:12px;background:#fff;padding:10px 16px;z-index:999;border-radius:8px}

/* ---------- site header ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{font-family:var(--display);font-weight:700;font-size:1.3rem;letter-spacing:-.02em;
  color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:9px}
.brand .dotlogo{width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,var(--clay),var(--clay-deep))}
.brand .custom-logo{border-radius:6px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;
  padding:8px 10px;font-family:var(--ui);font-size:13px;color:var(--ink);cursor:pointer}
.main-nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0}
.main-nav a{font-family:var(--ui);font-size:14.5px;font-weight:500;color:var(--ink-soft);text-decoration:none}
.main-nav a:hover{color:var(--clay-deep)}
@media(max-width:820px){
  .nav-toggle{display:block}
  .main-nav{display:none;width:100%}
  .main-nav.open{display:block}
  .site-header .bar{flex-wrap:wrap}
  .main-nav ul{flex-direction:column;gap:4px;padding:8px 0 6px}
  .main-nav a{display:block;padding:9px 2px}
}

/* ---------- breadcrumb ---------- */
.crumbs{font-family:var(--ui);font-size:13px;color:var(--ink-faint);padding:20px 0 0;letter-spacing:.01em}
.crumbs a{color:var(--ink-faint);text-decoration:none}
.crumbs a:hover{color:var(--clay-deep)}
.crumbs span.sep{margin:0 7px;opacity:.5}

/* ---------- page header / titles ---------- */
.eyebrow{font-family:var(--ui);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--clay-deep);margin:14px 0 10px}
h1.entry-title,.page-h1{font-family:var(--display);font-weight:600;font-size:clamp(2rem,6vw,3rem);
  line-height:1.05;letter-spacing:-.02em;margin:0 0 14px}
.lede{font-size:1.18rem;color:var(--ink-soft);margin:0 0 20px;max-width:62ch}

/* ---------- byline ---------- */
.byline{font-family:var(--ui);font-size:13.5px;color:var(--ink-soft);
  display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 6px}
.byline strong{color:var(--ink);font-weight:600}
.byline a{color:var(--clay-deep);text-decoration:none}
.byline a:hover{text-decoration:underline}
.byline .dot{width:5px;height:5px;border-radius:50%;background:var(--sage);flex:0 0 auto}

/* ---------- disclaimer ---------- */
.disclaimer{font-family:var(--ui);font-size:13.5px;line-height:1.55;background:var(--sage-wash);
  color:#33473C;border-radius:10px;padding:13px 16px;margin:22px 0 4px}
.disclaimer b{color:#243B30}

/* ---------- article typography ---------- */
.entry-content{font-size:18px}
.entry-content h2{font-family:var(--display);font-weight:600;font-size:1.55rem;
  letter-spacing:-.01em;margin:42px 0 12px;line-height:1.15}
.entry-content h3{font-family:var(--display);font-weight:500;font-size:1.18rem;margin:26px 0 8px}
.entry-content p{margin:0 0 16px}
.entry-content ul,.entry-content ol{margin:0 0 16px;padding-left:22px}
.entry-content li{margin-bottom:7px}
.entry-content blockquote{border-left:3px solid var(--sage);margin:0 0 18px;padding:4px 0 4px 18px;
  color:var(--ink-soft);font-style:italic}
.entry-content sup a{font-family:var(--ui);font-size:11px;text-decoration:none;color:var(--clay-deep);font-weight:600}
.entry-content table{width:100%;border-collapse:collapse;font-family:var(--ui);font-size:15px;margin:0 0 18px}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.entry-content th{background:var(--paper)}
.entry-content img{border-radius:10px}
.formula{font-family:var(--ui);font-size:15px;background:var(--ink);color:#EAF0EF;
  padding:14px 16px;border-radius:10px;margin:8px 0 18px;line-height:1.5}
.formula b{color:#fff}

/* ---------- FAQ ---------- */
.faq{margin:8px 0}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{font-family:var(--display);font-weight:500;font-size:1.12rem;cursor:pointer;
  list-style:none;padding:15px 30px 15px 0;position:relative;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:13px;font-family:var(--ui);
  font-size:1.5rem;color:var(--sage);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 16px;color:var(--ink-soft);font-size:16.5px;font-family:var(--serif)}

/* ---------- experts (author + reviewer cards) ---------- */
.experts{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;margin:32px 0;display:grid;gap:18px}
.expert{display:grid;grid-template-columns:54px 1fr;gap:15px;align-items:start}
.avatar{width:54px;height:54px;border-radius:50%;background:var(--sage-wash);display:flex;
  align-items:center;justify-content:center;font-family:var(--display);font-weight:600;
  color:var(--sage);font-size:1.2rem;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.expert .role{font-family:var(--ui);font-size:11px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--clay-deep)}
.expert .nm{font-family:var(--display);font-size:1.1rem;font-weight:600;margin:1px 0 5px}
.expert p{font-family:var(--ui);font-size:13.5px;color:var(--ink-soft);margin:0;line-height:1.55}
.expert a{font-size:13px}

/* ---------- cards / clusters ---------- */
.section-title{font-family:var(--display);font-weight:600;font-size:1.55rem;margin:36px 0 14px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{display:block;text-decoration:none;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:18px;transition:.18s}
.card:hover{border-color:var(--sage);transform:translateY(-2px);box-shadow:0 16px 30px -24px rgba(33,56,59,.4)}
.card .ct{font-family:var(--display);font-weight:600;font-size:1.05rem;color:var(--ink)}
.card .cd{font-family:var(--ui);font-size:12.5px;color:var(--ink-faint);margin-top:4px;line-height:1.5}
.card .badge{font-family:var(--ui);font-size:10.5px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--sage);display:block;margin-bottom:6px}

/* ---------- hero (front page) ---------- */
.hero{padding:46px 0 8px;text-align:center}
.hero .eyebrow{margin-top:0}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(2.3rem,7vw,3.6rem);
  line-height:1.02;letter-spacing:-.03em;margin:0 auto 16px;max-width:16ch}
.hero .lede{margin:0 auto 8px;text-align:center}

/* ---------- references / footer meta ---------- */
.refs{margin:36px 0 10px}
.refs h2{font-size:1.15rem}
.refs ol{font-family:var(--ui);font-size:13px;color:var(--ink-soft);line-height:1.6;padding-left:20px}
.refs li{margin-bottom:6px}
.reviewed-foot{font-family:var(--ui);font-size:12.5px;color:var(--ink-faint);
  border-top:1px solid var(--line);padding:18px 0 0;margin-top:24px}

/* ---------- pagination ---------- */
.pagination{font-family:var(--ui);font-size:14px;display:flex;gap:10px;flex-wrap:wrap;margin:34px 0}
.pagination .page-numbers{padding:8px 13px;border:1px solid var(--line);border-radius:8px;
  text-decoration:none;color:var(--ink-soft);background:var(--surface)}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- site footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:60px;
  padding:40px 0 30px;font-family:var(--ui)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
@media(max-width:720px){.site-footer .cols{grid-template-columns:1fr 1fr}}
.site-footer h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer a{font-size:14px;color:var(--ink-soft);text-decoration:none}
.site-footer a:hover{color:var(--clay-deep)}
.site-footer .legal{font-size:12.5px;color:var(--ink-faint);border-top:1px solid var(--line);
  margin-top:28px;padding-top:18px;line-height:1.6}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}