/*
Theme Name: CalcMyCard
Theme URI: https://calcmycard.com
Author: CalcMyCard Team
Author URI: https://calcmycard.com/about/
Description: A fast, lightweight, SEO/AEO-optimized WordPress theme purpose-built for a credit card calculator authority site. Built for Core Web Vitals, schema markup, and AdSense-ready layout.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Tested up to: 6.6
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: calcmycard
*/

/* ==========================================================================
   1. Design tokens
   ========================================================================== */
:root {
  --cmc-bg: #ffffff;
  --cmc-bg-alt: #f6f8fb;
  --cmc-text: #1a2233;
  --cmc-text-muted: #5a6577;
  --cmc-border: #e3e8ef;
  --cmc-brand: #1656d6;
  --cmc-brand-dark: #0f3fa3;
  --cmc-accent: #0f9d6b;
  --cmc-warning-bg: #fff6e5;
  --cmc-warning-border: #f2c94c;
  --cmc-radius: 10px;
  --cmc-shadow: 0 1px 3px rgba(20, 30, 60, 0.08), 0 1px 2px rgba(20, 30, 60, 0.06);
  --cmc-max: 1180px;
  --cmc-content-max: 760px;
  font-size: 100%;
}

/* ==========================================================================
   2. Reset + base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cmc-bg);
  color: var(--cmc-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cmc-brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--cmc-text); margin: 1.6em 0 0.6em; }
h1 { font-size: 2.1rem; margin-top: 0; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.3em; }
table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: 0.95rem; }
th, td { border: 1px solid var(--cmc-border); padding: 8px 10px; text-align: left; }
th { background: var(--cmc-bg-alt); }
code { background: var(--cmc-bg-alt); padding: 0.1em 0.4em; border-radius: 4px; font-size: 0.9em; }

/* ==========================================================================
   3. Layout
   ========================================================================== */
.cmc-container { max-width: var(--cmc-max); margin: 0 auto; padding: 0 20px; }
.cmc-content-narrow { max-width: var(--cmc-content-max); margin: 0 auto; }
.cmc-skip-link { position: absolute; left: -9999px; top: 0; background: #000; color: #fff; padding: 10px; z-index: 999; }
.cmc-skip-link:focus { left: 10px; }

/* Header */
.cmc-site-header { border-bottom: 1px solid var(--cmc-border); background: var(--cmc-bg); position: sticky; top: 0; z-index: 50; }
.cmc-header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.cmc-logo { font-size: 1.25rem; font-weight: 800; color: var(--cmc-text); display: flex; align-items: center; gap: 8px; }
.cmc-logo:hover { text-decoration: none; }
.cmc-logo .cmc-logo-mark { color: var(--cmc-brand); }
.cmc-logo--custom { display: flex; align-items: center; }
.cmc-logo--custom img { display: block; max-height: 48px; width: auto; }
.cmc-logo--custom a { display: flex; align-items: center; }
.cmc-primary-nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
.cmc-primary-nav a { color: var(--cmc-text); font-weight: 600; font-size: 0.95rem; }
.cmc-nav-toggle { display: none; }

@media (max-width: 780px) {
  .cmc-primary-nav { display: none; }
  .cmc-primary-nav.is-open { display: block; position: absolute; left: 0; right: 0; top: 64px; background: #fff; border-bottom: 1px solid var(--cmc-border); padding: 10px 20px; }
  .cmc-primary-nav.is-open ul { flex-direction: column; gap: 0; }
  .cmc-primary-nav.is-open li { padding: 10px 0; border-bottom: 1px solid var(--cmc-border); }
  .cmc-nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--cmc-border); border-radius: 8px; background: #fff; cursor: pointer; }
}

/* Hero / page header */
.cmc-page-hero { background: linear-gradient(180deg, var(--cmc-bg-alt), #fff); padding: 40px 0 8px; }
.cmc-breadcrumbs { font-size: 0.85rem; color: var(--cmc-text-muted); margin-bottom: 10px; }
.cmc-breadcrumbs a { color: var(--cmc-text-muted); }
.cmc-eyebrow { text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.78rem; font-weight: 700; color: var(--cmc-brand); }
.cmc-dek { font-size: 1.1rem; color: var(--cmc-text-muted); max-width: 720px; }
.cmc-updated { font-size: 0.85rem; color: var(--cmc-text-muted); }

/* Main grid: content + sidebar (ad-ready) */
.cmc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; padding: 30px 0 60px; align-items: start; }
@media (max-width: 960px) { .cmc-layout { grid-template-columns: 1fr; } }
.cmc-sidebar { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 20px; }

/* Ad slots (AdSense-ready placeholders; replace with real <ins class="adsbygoogle"> once approved) */
.cmc-ad-slot { background: var(--cmc-bg-alt); border: 1px dashed var(--cmc-border); border-radius: var(--cmc-radius); min-height: 250px; display: flex; align-items: center; justify-content: center; color: var(--cmc-text-muted); font-size: 0.8rem; text-align: center; padding: 10px; }
.cmc-ad-slot.leaderboard { min-height: 90px; }
.cmc-ad-slot-label { position: absolute; }

/* Calculator card */
.cmc-calculator { background: var(--cmc-bg-alt); border: 1px solid var(--cmc-border); border-radius: var(--cmc-radius); padding: 24px; margin: 24px 0 36px; }
.cmc-calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
@media (max-width: 640px) { .cmc-calc-grid { grid-template-columns: 1fr; } }
.cmc-field { display: flex; flex-direction: column; gap: 6px; }
.cmc-field label { font-weight: 600; font-size: 0.9rem; }
.cmc-field .cmc-hint { font-size: 0.78rem; color: var(--cmc-text-muted); }
.cmc-field input, .cmc-field select {
  border: 1px solid var(--cmc-border); border-radius: 8px; padding: 10px 12px; font-size: 1rem;
  background: #fff; width: 100%;
}
.cmc-field input:focus, .cmc-field select:focus { outline: 2px solid var(--cmc-brand); outline-offset: 1px; }
.cmc-calc-actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.cmc-btn {
  display: inline-flex; align-items: center; gap: 8px; background: var(--cmc-brand); color: #fff;
  border: none; border-radius: 8px; padding: 12px 20px; font-size: 1rem; font-weight: 700; cursor: pointer;
}
.cmc-btn:hover { background: var(--cmc-brand-dark); }
.cmc-btn.cmc-btn-secondary { background: #fff; color: var(--cmc-brand); border: 1px solid var(--cmc-brand); }
.cmc-calc-error { color: #b3261e; font-size: 0.9rem; display: none; }

/* Results */
.cmc-results { margin-top: 22px; display: none; }
.cmc-results.is-visible { display: block; }
.cmc-result-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.cmc-stat { background: #fff; border: 1px solid var(--cmc-border); border-radius: 8px; padding: 14px; }
.cmc-stat .cmc-stat-label { font-size: 0.78rem; color: var(--cmc-text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.cmc-stat .cmc-stat-value { font-size: 1.35rem; font-weight: 800; color: var(--cmc-text); }
.cmc-stat.cmc-stat-highlight .cmc-stat-value { color: var(--cmc-brand); }
.cmc-chart-wrap { background: #fff; border: 1px solid var(--cmc-border); border-radius: 8px; padding: 14px; margin-bottom: 18px; }
.cmc-chart-wrap canvas { width: 100% !important; height: 260px !important; }
.cmc-table-wrap { max-height: 420px; overflow: auto; border: 1px solid var(--cmc-border); border-radius: 8px; }
.cmc-table-wrap table { margin: 0; }
.cmc-table-wrap thead th { position: sticky; top: 0; }

/* Answer box (AEO/GEO: quotable, extractable direct answer) */
.cmc-answer-box { background: #eef4ff; border: 1px solid #cfe0ff; border-left: 4px solid var(--cmc-brand); border-radius: 8px; padding: 16px 18px; margin: 18px 0; }
.cmc-answer-box p { margin: 0; }
.cmc-answer-box .cmc-answer-label { font-weight: 800; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--cmc-brand); display: block; margin-bottom: 6px; }

/* Callouts */
.cmc-callout { border: 1px solid var(--cmc-warning-border); background: var(--cmc-warning-bg); border-radius: 8px; padding: 14px 16px; margin: 18px 0; font-size: 0.95rem; }
.cmc-disclaimer { font-size: 0.82rem; color: var(--cmc-text-muted); border-top: 1px solid var(--cmc-border); margin-top: 26px; padding-top: 14px; }

/* FAQ */
.cmc-faq-item { border-bottom: 1px solid var(--cmc-border); padding: 14px 0; }
.cmc-faq-item h3 { margin: 0 0 6px; font-size: 1.05rem; }
.cmc-faq-item p { margin: 0; color: var(--cmc-text-muted); }

/* Related calculators / internal linking module */
.cmc-related { background: var(--cmc-bg-alt); border-radius: var(--cmc-radius); padding: 20px; margin: 30px 0; }
.cmc-related h2 { margin-top: 0; font-size: 1.15rem; }
.cmc-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.cmc-related-card { background: #fff; border: 1px solid var(--cmc-border); border-radius: 8px; padding: 14px; }
.cmc-related-card a { font-weight: 700; }
.cmc-related-card p { margin: 6px 0 0; font-size: 0.85rem; color: var(--cmc-text-muted); }

/* Author / trust box (E-E-A-T) */
.cmc-author-box { display: flex; gap: 14px; align-items: flex-start; background: var(--cmc-bg-alt); border-radius: var(--cmc-radius); padding: 16px; margin: 30px 0; }
.cmc-author-box img { width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0; }
.cmc-author-box h3 { margin: 0 0 4px; font-size: 1rem; }
.cmc-author-box p { margin: 0; font-size: 0.88rem; color: var(--cmc-text-muted); }

/* Hub / index grid */
.cmc-hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin: 24px 0; }
.cmc-hub-card { border: 1px solid var(--cmc-border); border-radius: var(--cmc-radius); padding: 20px; background: #fff; box-shadow: var(--cmc-shadow); }
.cmc-hub-card h3 { margin-top: 0; }
.cmc-hub-card .cmc-hub-cta { font-weight: 700; }

/* Footer */
.cmc-site-footer { background: var(--cmc-text); color: #cfd6e4; padding: 46px 0 24px; margin-top: 50px; }
.cmc-site-footer a { color: #fff; }
.cmc-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 28px; }
@media (max-width: 780px) { .cmc-footer-grid { grid-template-columns: 1fr 1fr; } }
.cmc-footer-grid h4 { color: #fff; font-size: 0.9rem; margin: 0 0 12px; }
.cmc-footer-grid ul { list-style: none; margin: 0; padding: 0; }
.cmc-footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.cmc-footer-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.8rem; color: #9aa5ba; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Utility */
.cmc-muted { color: var(--cmc-text-muted); }
.cmc-visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }