/*
Theme Name: GWT24
Theme URI: https://gwt24.com/
Author: GWT24
Author URI: https://gwt24.com/
Description: Premium, enterprise-grade AI-powered USA calculator & tools platform. Amazon Bedrock authors deterministic client-side calculators and long-form SEO articles, then publishes them automatically. Optimized for Google Search, Google Discover, AI Overviews, Core Web Vitals and AdSense.
Version: 1.0.0
Requires at least: 6.2
Tested up to: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gwt24
Tags: calculator, tools, ai, seo, one-column, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
	--gwt-bg: #ffffff;
	--gwt-bg-soft: #f6f8fc;
	--gwt-bg-mute: #eef2f9;
	--gwt-surface: #ffffff;
	--gwt-border: #e3e8f0;
	--gwt-border-strong: #cdd6e4;
	--gwt-text: #101828;
	--gwt-text-soft: #475467;
	--gwt-text-mute: #667085;
	--gwt-primary: #1a56db;
	--gwt-primary-dark: #1441ab;
	--gwt-primary-soft: #e8efff;
	--gwt-accent: #0e9f6e;
	--gwt-accent-soft: #def7ec;
	--gwt-warn: #c27803;
	--gwt-danger: #d0342c;
	--gwt-shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
	--gwt-shadow-md: 0 4px 6px -1px rgba(16,24,40,.08), 0 2px 4px -2px rgba(16,24,40,.06);
	--gwt-shadow-lg: 0 12px 28px -6px rgba(16,24,40,.14);
	--gwt-radius: 12px;
	--gwt-radius-sm: 8px;
	--gwt-radius-lg: 18px;
	--gwt-maxw: 1200px;
	--gwt-readw: 760px;
	--gwt-gap: 24px;
	--gwt-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--gwt-font-head: var(--gwt-font);
	--gwt-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
	:root {
		--gwt-bg: #0e1117;
		--gwt-bg-soft: #151a23;
		--gwt-bg-mute: #1c222d;
		--gwt-surface: #161b24;
		--gwt-border: #262d3a;
		--gwt-border-strong: #333c4d;
		--gwt-text: #e7ecf3;
		--gwt-text-soft: #aeb8c7;
		--gwt-text-mute: #8b97a8;
		--gwt-primary: #5b8def;
		--gwt-primary-dark: #4577dd;
		--gwt-primary-soft: #17233d;
		--gwt-accent: #3ddc97;
		--gwt-accent-soft: #123027;
		--gwt-shadow: 0 1px 2px rgba(0,0,0,.4);
		--gwt-shadow-md: 0 6px 16px rgba(0,0,0,.45);
		--gwt-shadow-lg: 0 16px 40px rgba(0,0,0,.55);
	}
}

/* ==========================================================================
   Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--gwt-font);
	font-size: 17px;
	line-height: 1.7;
	color: var(--gwt-text);
	background: var(--gwt-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 { font-family: var(--gwt-font-head); line-height: 1.25; color: var(--gwt-text); font-weight: 750; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); margin-top: 1.6em; }
h3 { font-size: 1.25rem; margin-top: 1.3em; }
p { margin: 0 0 1.1em; }
a { color: var(--gwt-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.3em; }
li { margin: .3em 0; }
hr { border: 0; border-top: 1px solid var(--gwt-border); margin: 2em 0; }
code { font-family: var(--gwt-mono); background: var(--gwt-bg-mute); padding: .12em .4em; border-radius: 5px; font-size: .9em; }
:focus-visible { outline: 3px solid var(--gwt-primary); outline-offset: 2px; border-radius: 4px; }

.gwt-skip-link { position: absolute; left: -9999px; top: 0; background: var(--gwt-primary); color: #fff; padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0; }
.gwt-skip-link:focus { left: 0; }

.screen-reader-text {
	border: 0; clip: rect(1px,1px,1px,1px); clip-path: inset(50%);
	height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.gwt-container { width: 100%; max-width: var(--gwt-maxw); margin-inline: auto; padding-inline: 20px; }
.gwt-main { padding: 32px 0 56px; }
.gwt-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 40px; align-items: start; }
.gwt-layout--full { grid-template-columns: minmax(0,1fr); }
@media (max-width: 980px) { .gwt-layout { grid-template-columns: minmax(0,1fr); } .gwt-sidebar { order: 2; } }

.gwt-grid { display: grid; gap: var(--gwt-gap); grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ==========================================================================
   Header + navigation
   ========================================================================== */
.gwt-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--gwt-bg) 88%, transparent); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--gwt-border); }
.gwt-header-inner { display: flex; align-items: center; gap: 20px; min-height: 66px; }
.gwt-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.28rem; letter-spacing: -.02em; color: var(--gwt-text); }
.gwt-brand:hover { text-decoration: none; }
.gwt-brand-badge { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--gwt-primary), var(--gwt-accent)); color: #fff; font-weight: 800; font-size: .95rem; }
.gwt-nav { margin-left: auto; }
.gwt-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.gwt-nav a { display: inline-block; padding: 8px 14px; border-radius: 8px; color: var(--gwt-text-soft); font-weight: 600; font-size: .95rem; }
.gwt-nav a:hover { background: var(--gwt-bg-mute); color: var(--gwt-text); text-decoration: none; }
.gwt-header-actions { display: flex; align-items: center; gap: 10px; }
.gwt-search-toggle, .gwt-menu-toggle { display: none; background: var(--gwt-bg-mute); border: 1px solid var(--gwt-border); border-radius: 8px; width: 42px; height: 42px; font-size: 1.1rem; cursor: pointer; color: var(--gwt-text); }
@media (max-width: 860px) {
	.gwt-nav { position: fixed; inset: 66px 0 auto 0; background: var(--gwt-bg); border-bottom: 1px solid var(--gwt-border); padding: 12px 20px; transform: translateY(-140%); transition: transform .25s ease; box-shadow: var(--gwt-shadow-lg); }
	.gwt-nav.is-open { transform: translateY(0); }
	.gwt-nav ul { flex-direction: column; }
	.gwt-menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
}

/* ==========================================================================
   Buttons + tags + forms
   ========================================================================== */
.gwt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 700; font-size: 1rem; padding: 12px 22px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; transition: transform .06s ease, background .15s ease, box-shadow .15s ease; text-decoration: none; }
.gwt-btn:active { transform: translateY(1px); }
.gwt-btn-primary { background: var(--gwt-primary); color: #fff; box-shadow: var(--gwt-shadow); }
.gwt-btn-primary:hover { background: var(--gwt-primary-dark); color: #fff; text-decoration: none; }
.gwt-btn-ghost { background: var(--gwt-surface); color: var(--gwt-text); border-color: var(--gwt-border-strong); }
.gwt-btn-ghost:hover { background: var(--gwt-bg-mute); text-decoration: none; }
.gwt-btn-block { width: 100%; }

.gwt-tag { display: inline-flex; align-items: center; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 3px 8px; border-radius: 999px; background: var(--gwt-bg-mute); color: var(--gwt-text-soft); }
.gwt-tag-new { background: var(--gwt-accent-soft); color: var(--gwt-accent); }
.gwt-tag-free { background: var(--gwt-primary-soft); color: var(--gwt-primary); }

label { font-weight: 600; }
input[type="text"], input[type="number"], input[type="search"], input[type="email"], input[type="url"], select, textarea {
	width: 100%; font: inherit; color: var(--gwt-text); background: var(--gwt-surface);
	border: 1px solid var(--gwt-border-strong); border-radius: 10px; padding: 11px 13px; transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--gwt-primary); box-shadow: 0 0 0 3px var(--gwt-primary-soft); outline: none; }

/* ==========================================================================
   Hero
   ========================================================================== */
.gwt-hero { background: radial-gradient(1200px 400px at 80% -10%, var(--gwt-primary-soft), transparent), var(--gwt-bg-soft); border-bottom: 1px solid var(--gwt-border); }
.gwt-hero-inner { padding: 56px 0 48px; text-align: center; }
.gwt-hero h1 { max-width: 20ch; margin-inline: auto; }
.gwt-hero p { color: var(--gwt-text-soft); font-size: 1.15rem; max-width: 60ch; margin: 0 auto 26px; }
.gwt-hero-search { max-width: 620px; margin: 0 auto; display: flex; gap: 8px; }
.gwt-hero-search input { border-radius: 12px; padding: 15px 18px; box-shadow: var(--gwt-shadow-md); }
.gwt-hero-stats { display: flex; gap: 34px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.gwt-hero-stat b { display: block; font-size: 1.7rem; font-weight: 800; color: var(--gwt-text); }
.gwt-hero-stat span { color: var(--gwt-text-mute); font-size: .9rem; }

/* ==========================================================================
   Cards
   ========================================================================== */
.gwt-section { margin: 44px 0; }
.gwt-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.gwt-section-head h2 { margin: 0; }
.gwt-section-head a { font-weight: 600; font-size: .95rem; white-space: nowrap; }

.gwt-card { display: flex; flex-direction: column; gap: 10px; background: var(--gwt-surface); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 18px; box-shadow: var(--gwt-shadow); transition: transform .12s ease, box-shadow .18s ease, border-color .18s ease; height: 100%; }
.gwt-card:hover { transform: translateY(-3px); box-shadow: var(--gwt-shadow-md); border-color: var(--gwt-border-strong); text-decoration: none; }
.gwt-card-ico { font-size: 1.7rem; line-height: 1; }
.gwt-card-title { font-weight: 700; color: var(--gwt-text); display: block; }
.gwt-card-desc { color: var(--gwt-text-mute); font-size: .9rem; display: block; }
.gwt-card-meta { display: flex; gap: 6px; margin-top: auto; }

.gwt-cat-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(180px,1fr)); }
.gwt-cat { display: flex; align-items: center; gap: 12px; padding: 16px; background: var(--gwt-surface); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); font-weight: 700; color: var(--gwt-text); box-shadow: var(--gwt-shadow); }
.gwt-cat:hover { border-color: var(--gwt-primary); color: var(--gwt-primary); text-decoration: none; }
.gwt-cat span.gwt-cat-ico { font-size: 1.5rem; }
.gwt-cat small { display: block; font-weight: 500; color: var(--gwt-text-mute); font-size: .8rem; }

/* ==========================================================================
   Calculator widget
   ========================================================================== */
.gwt-calc { background: var(--gwt-surface); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius-lg); box-shadow: var(--gwt-shadow-md); overflow: hidden; margin-bottom: 32px; }
.gwt-calc-head { padding: 22px 24px; background: linear-gradient(180deg, var(--gwt-bg-soft), transparent); border-bottom: 1px solid var(--gwt-border); }
.gwt-calc-head h1, .gwt-calc-head h2 { margin: 0 0 4px; }
.gwt-calc-head p { margin: 0; color: var(--gwt-text-soft); }
.gwt-calc-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
@media (max-width: 720px) { .gwt-calc-body { grid-template-columns: 1fr; } }
.gwt-calc-inputs { padding: 24px; border-right: 1px solid var(--gwt-border); }
@media (max-width: 720px) { .gwt-calc-inputs { border-right: 0; border-bottom: 1px solid var(--gwt-border); } }
.gwt-field { margin-bottom: 16px; }
.gwt-field label { display: block; margin-bottom: 6px; font-size: .95rem; }
.gwt-field .gwt-field-hint { font-weight: 400; color: var(--gwt-text-mute); font-size: .82rem; margin-top: 4px; }
.gwt-input-group { position: relative; display: flex; align-items: center; }
.gwt-input-prefix, .gwt-input-suffix { position: absolute; color: var(--gwt-text-mute); font-weight: 600; pointer-events: none; }
.gwt-input-prefix { left: 13px; }
.gwt-input-suffix { right: 13px; }
.gwt-input-group.has-prefix input { padding-left: 28px; }
.gwt-input-group.has-suffix input { padding-right: 44px; }

.gwt-calc-results { padding: 24px; background: var(--gwt-bg-soft); }
.gwt-result-primary { background: var(--gwt-surface); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 18px; text-align: center; margin-bottom: 14px; }
.gwt-result-primary .gwt-result-label { color: var(--gwt-text-mute); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.gwt-result-primary .gwt-result-value { font-size: clamp(1.9rem, 5vw, 2.6rem); font-weight: 800; color: var(--gwt-primary); line-height: 1.1; margin-top: 4px; }
.gwt-result-row { display: flex; justify-content: space-between; gap: 12px; padding: 11px 4px; border-bottom: 1px dashed var(--gwt-border); }
.gwt-result-row:last-child { border-bottom: 0; }
.gwt-result-row .gwt-result-k { color: var(--gwt-text-soft); }
.gwt-result-row .gwt-result-v { font-weight: 700; font-variant-numeric: tabular-nums; }
.gwt-calc-actions { display: flex; gap: 10px; margin-top: 16px; }
.gwt-calc-error { color: var(--gwt-danger); font-size: .9rem; margin-top: 8px; min-height: 1em; }
.gwt-result-bar { height: 10px; border-radius: 999px; background: var(--gwt-bg-mute); overflow: hidden; margin: 10px 0; }
.gwt-result-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--gwt-primary), var(--gwt-accent)); }

/* ==========================================================================
   Article prose
   ========================================================================== */
.gwt-article { max-width: var(--gwt-readw); }
.gwt-article.gwt-article--wide { max-width: none; }
.gwt-prose { font-size: 1.06rem; }
.gwt-prose h2 { scroll-margin-top: 90px; }
.gwt-prose h3 { scroll-margin-top: 90px; }
.gwt-prose ul li::marker { color: var(--gwt-primary); }
.gwt-prose img { border-radius: var(--gwt-radius); margin: 1.4em 0; box-shadow: var(--gwt-shadow); }
.gwt-prose table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: .96rem; }
.gwt-prose th, .gwt-prose td { border: 1px solid var(--gwt-border); padding: 10px 12px; text-align: left; }
.gwt-prose thead th { background: var(--gwt-bg-mute); }
.gwt-prose tbody tr:nth-child(even), .gwt-prose tbody tr:nth-child(even) { background: var(--gwt-bg-soft); }
.gwt-prose blockquote { border-left: 4px solid var(--gwt-primary); background: var(--gwt-bg-soft); margin: 1.4em 0; padding: 4px 18px; border-radius: 0 8px 8px 0; color: var(--gwt-text-soft); }

.gwt-meta-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; color: var(--gwt-text-mute); font-size: .9rem; margin: 8px 0 22px; }
.gwt-meta-row .gwt-author { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--gwt-text-soft); }

/* Table of contents */
.gwt-toc { background: var(--gwt-bg-soft); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 16px 20px; margin: 24px 0; }
.gwt-toc > strong { display: block; margin-bottom: 8px; font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gwt-text-mute); }
.gwt-toc ol { margin: 0; padding-left: 1.2em; }
.gwt-toc a { color: var(--gwt-text-soft); }
.gwt-toc a:hover { color: var(--gwt-primary); }

/* FAQ / accordion */
.gwt-faq { margin: 32px 0; }
.gwt-faq details { border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); margin-bottom: 10px; background: var(--gwt-surface); overflow: hidden; }
.gwt-faq summary { cursor: pointer; padding: 15px 18px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.gwt-faq summary::-webkit-details-marker { display: none; }
.gwt-faq summary::after { content: "+"; font-size: 1.3rem; color: var(--gwt-primary); transition: transform .2s ease; }
.gwt-faq details[open] summary::after { transform: rotate(45deg); }
.gwt-faq .gwt-faq-a { padding: 0 18px 16px; color: var(--gwt-text-soft); }

/* Pros/cons + verdict */
.gwt-proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 26px 0; }
@media (max-width: 640px) { .gwt-proscons { grid-template-columns: 1fr; } }
.gwt-proscons > div { border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 16px 18px; }
.gwt-pros { background: var(--gwt-accent-soft); }
.gwt-cons { background: #fdecea; }
@media (prefers-color-scheme: dark) { .gwt-cons { background: #2c1616; } }
.gwt-proscons h3 { margin-top: 0; }
.gwt-proscons ul { margin: 0; }

/* Author box + sources */
.gwt-authorbox { display: flex; gap: 16px; align-items: flex-start; background: var(--gwt-bg-soft); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 18px 20px; margin: 30px 0; }
.gwt-authorbox .gwt-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--gwt-primary), var(--gwt-accent)); flex: none; }
.gwt-sources { font-size: .92rem; }
.gwt-sources li { margin: .35em 0; word-break: break-word; }

/* ==========================================================================
   Related / breadcrumbs / pagination
   ========================================================================== */
.gwt-breadcrumbs { font-size: .88rem; color: var(--gwt-text-mute); margin-bottom: 14px; }
.gwt-breadcrumbs a { color: var(--gwt-text-soft); }
.gwt-breadcrumbs .sep { margin: 0 6px; opacity: .6; }

.gwt-pagination { display: flex; gap: 6px; justify-content: center; margin: 40px 0 0; flex-wrap: wrap; }
.gwt-pagination .page-numbers { display: inline-grid; place-items: center; min-width: 42px; height: 42px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--gwt-border); background: var(--gwt-surface); color: var(--gwt-text-soft); font-weight: 600; }
.gwt-pagination .page-numbers.current { background: var(--gwt-primary); color: #fff; border-color: var(--gwt-primary); }
.gwt-pagination a.page-numbers:hover { border-color: var(--gwt-primary); text-decoration: none; }

/* ==========================================================================
   Sidebar + widgets + ads
   ========================================================================== */
.gwt-sidebar { position: sticky; top: 86px; }
.gwt-widget { background: var(--gwt-surface); border: 1px solid var(--gwt-border); border-radius: var(--gwt-radius); padding: 18px 20px; margin-bottom: 22px; box-shadow: var(--gwt-shadow); }
.gwt-widget-title { margin: 0 0 12px; font-size: 1.05rem; }
.gwt-widget ul { list-style: none; margin: 0; padding: 0; }
.gwt-widget li { margin: 8px 0; }

.gwt-ad { display: block; text-align: center; margin: 24px auto; min-height: 90px; overflow: hidden; }
.gwt-ad--label::before { content: "Advertisement"; display: block; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gwt-text-mute); margin-bottom: 4px; }
.gwt-ad-sticky { position: sticky; top: 86px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.gwt-footer { background: var(--gwt-bg-soft); border-top: 1px solid var(--gwt-border); margin-top: 60px; padding: 46px 0 28px; }
.gwt-footer-cols { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
@media (max-width: 800px) { .gwt-footer-cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .gwt-footer-cols { grid-template-columns: 1fr; } }
.gwt-footer h4 { font-size: 1rem; margin-bottom: 12px; }
.gwt-footer ul { list-style: none; margin: 0; padding: 0; }
.gwt-footer li { margin: 7px 0; }
.gwt-footer a { color: var(--gwt-text-soft); font-size: .93rem; }
.gwt-footer-bottom { border-top: 1px solid var(--gwt-border); margin-top: 34px; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--gwt-text-mute); font-size: .88rem; }

/* ==========================================================================
   Utilities + motion
   ========================================================================== */
.gwt-notice { padding: 12px 16px; border-radius: 10px; border: 1px solid var(--gwt-border); background: var(--gwt-bg-soft); margin: 16px 0; }
.gwt-notice-info { border-color: var(--gwt-primary); background: var(--gwt-primary-soft); }
.gwt-center { text-align: center; }
.gwt-mt-0 { margin-top: 0; }
.gwt-hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
	* { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

@media print {
	.gwt-header, .gwt-footer, .gwt-sidebar, .gwt-ad, .gwt-calc-actions, .gwt-nav { display: none !important; }
	body { font-size: 12pt; }
}