/*
Theme Name:  SEDSO
Theme URI:   https://www.sedso.io
Author:      SEDSO, LLC
Author URI:  https://www.sedso.io
Description: An elegant, simple, resilient reading-first theme modeled on sedso.io. Local Lexend typography, generous whitespace, a single calm column, and the SEDSO resource links beneath every post. No build step, no external requests, minimal JavaScript.
Version:     1.0.0
Requires at least: 5.9
Tested up to: 6.8
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: sedso
Tags:        blog, one-column, custom-menu, accessibility-ready, translation-ready
*/

/* -------------------------------------------------------------------------
   1. Local Lexend fonts
   Copy the .woff2 files from https://www.sedso.io/fonts/ into this theme's
   /fonts/ directory. All weights are declared; the browser loads only the
   ones actually used. font-display: swap keeps text readable while loading.
   ------------------------------------------------------------------------- */
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 100; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-100.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 200; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-200.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 300; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-300.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-regular.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-500.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-600.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-700.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 800; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-800.woff2') format('woff2'); }
@font-face { font-family: 'Lexend'; font-style: normal; font-weight: 900; font-display: swap; src: url('fonts/lexend-v26-latin_latin-ext-900.woff2') format('woff2'); }

/* -------------------------------------------------------------------------
   2. Design tokens — one place to tune the whole theme
   Colors sampled from the sedso.io home page (July 2026).
   ------------------------------------------------------------------------- */
:root {
	--sedso-bg:        #ffffff;
	--sedso-bg-soft:   #eef4ff;   /* pale-blue section wash from sedso.io    */
	--sedso-ink-head:  #181d27;   /* near-black headlines                    */
	--sedso-ink:       #414651;   /* body text gray                          */
	--sedso-ink-soft:  #535862;   /* meta, taglines, footer links            */
	--sedso-brand:     #2d3282;   /* SEDSO deep indigo — links               */
	--sedso-brand-dk:  #232866;   /* link hover                              */
	--sedso-accent:    #e62e05;   /* red-orange CTA (Buy / Send Message)     */
	--sedso-accent-dk: #c22703;   /* button hover                            */
	--sedso-rule:      #e4e6ea;   /* hairlines                               */

	--sedso-font:      'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
	--sedso-w-light:   300;       /* body — “often light”                    */
	--sedso-w-regular: 400;
	--sedso-w-medium:  500;
	--sedso-w-semi:    600;

	--sedso-measure:   43rem;     /* ~688px reading column                   */
	--sedso-indent:    1.5rem;    /* post substance indent from the title    */
}

/* -------------------------------------------------------------------------
   3. Reset & base
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
	margin: 0;
	background: var(--sedso-bg);
	color: var(--sedso-ink);
	font-family: var(--sedso-font);
	font-weight: var(--sedso-w-light);
	font-size: 1.0625rem;                 /* 17px */
	line-height: 1.75;
	letter-spacing: 0.005em;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

img, video, iframe { max-width: 100%; height: auto; }
img { border-radius: 6px; }

a {
	color: var(--sedso-brand);
	text-decoration: none;
	text-underline-offset: 0.2em;
}
a:hover, a:focus { color: var(--sedso-brand-dk); text-decoration: underline; }

:focus-visible {
	outline: 2px solid var(--sedso-brand);
	outline-offset: 3px;
	border-radius: 2px;
}

.screen-reader-text {
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	position: absolute !important;
	width: 1px; height: 1px;
	overflow: hidden;
	word-wrap: normal;
}
.skip-link:focus {
	clip: auto; clip-path: none;
	position: fixed !important;
	top: 0.5rem; left: 0.5rem;
	width: auto; height: auto;
	padding: 0.6rem 1rem;
	background: var(--sedso-bg);
	border: 1px solid var(--sedso-rule);
	border-radius: 6px;
	z-index: 100;
}

/* -------------------------------------------------------------------------
   4. Layout shell
   ------------------------------------------------------------------------- */
.site-wrap {
	max-width: var(--sedso-measure);
	margin: 0 auto;
	padding: 0 1.25rem;
}

/* Header — the sedso.io brand lockup, centered.
   “Fast Lane Literacy” carries the weight; “by SEDSO” sits small and
   letterspaced beneath its right edge, as on the home page; the
   tagline follows in a lighter, quieter line. */
.site-header {
	padding: 3.25rem 0 0;
	text-align: center;
}
.site-title {
	margin: 0;
	font-size: 1.9rem;
	line-height: 1.15;
	font-weight: var(--sedso-w-medium);
	letter-spacing: 0.01em;
}
.site-title a {
	display: inline-block;
	color: var(--sedso-ink-head);
}
.site-title a:hover { color: var(--sedso-brand); text-decoration: none; }
.site-title .brand-name { display: block; }
.site-title .brand-by {
	display: block;
	margin-top: 0.3rem;
	text-align: right;
	font-size: 0.72rem;
	font-weight: var(--sedso-w-semi);
	letter-spacing: 0.3em;
	text-transform: uppercase;
	color: var(--sedso-ink-soft);
}
.site-title a:hover .brand-by { color: var(--sedso-brand); }
.site-tagline {
	margin: 0.85rem 0 0;
	color: var(--sedso-ink-soft);
	font-size: 0.92rem;
	font-weight: var(--sedso-w-light);
	letter-spacing: 0.06em;
}
.site-nav { margin-top: 1.25rem; font-size: 0.9rem; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; justify-content: center; }
.site-nav a { color: var(--sedso-ink-soft); }
.site-nav a:hover { color: var(--sedso-brand); }
.header-rule {
	border: 0;
	border-top: 1px solid var(--sedso-rule);
	margin: 1.5rem 0 0;
}

.site-main { padding: 1.75rem 0 3rem; }

/* -------------------------------------------------------------------------
   5. Posts
   ------------------------------------------------------------------------- */
article.post, article.page { margin: 0 0 4rem; }
article.post:last-of-type, article.page:last-of-type { margin-bottom: 2rem; }

.entry-header { margin-bottom: 1.1rem; }
.entry-title {
	margin: 0;
	color: var(--sedso-ink-head);
	font-size: 1.7rem;
	line-height: 1.3;
	font-weight: var(--sedso-w-medium);
	letter-spacing: -0.005em;
	text-wrap: balance;
}
.single .entry-title { font-size: 2rem; }
.entry-title a { color: var(--sedso-ink-head); }
.entry-title a:hover { color: var(--sedso-brand); text-decoration: none; }

.entry-meta {
	margin-top: 0.45rem;
	color: var(--sedso-ink-soft);
	font-size: 0.85rem;
	font-weight: var(--sedso-w-regular);
	letter-spacing: 0.03em;
}
.entry-meta a { color: inherit; }

/* The substance of the post sits slightly indented from its title. */
.entry-content, .entry-summary {
	font-weight: var(--sedso-w-light);
}
@media (min-width: 640px) {
	.entry-content, .entry-summary {
		padding-left: var(--sedso-indent);
	}
}

.entry-content > *:first-child { margin-top: 0; }
.entry-content p { margin: 0 0 1.35em; }

.entry-content h2, .entry-content h3, .entry-content h4 {
	color: var(--sedso-ink-head);
	margin: 2.2em 0 0.7em;
	line-height: 1.35;
	font-weight: var(--sedso-w-medium);
}
.entry-content h2 { font-size: 1.35rem; }
.entry-content h3 { font-size: 1.15rem; }
.entry-content h4 { font-size: 1rem; font-weight: var(--sedso-w-semi); }

.entry-content blockquote {
	margin: 1.6em 0;
	padding: 0.9em 1.3em;
	background: var(--sedso-bg-soft);
	border-left: 3px solid var(--sedso-brand);
	border-radius: 0 6px 6px 0;
	color: var(--sedso-ink);
}
.entry-content blockquote p:last-child { margin-bottom: 0; }

.entry-content ul, .entry-content ol { margin: 0 0 1.35em; padding-left: 1.4em; }
.entry-content li { margin-bottom: 0.4em; }

.entry-content hr {
	border: 0;
	border-top: 1px solid var(--sedso-rule);
	margin: 2.5em auto;
	width: 40%;
}

.entry-content pre, .entry-content code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.875em;
	background: #f5f6f8;
	border-radius: 6px;
}
.entry-content code { padding: 0.15em 0.4em; }
.entry-content pre { padding: 1em 1.2em; overflow-x: auto; }
.entry-content pre code { padding: 0; background: none; }

.entry-content table { border-collapse: collapse; width: 100%; margin: 0 0 1.35em; font-size: 0.95em; }
.entry-content th, .entry-content td { border: 1px solid var(--sedso-rule); padding: 0.5em 0.75em; text-align: left; }
.entry-content th { font-weight: var(--sedso-w-medium); background: #f5f6f8; }

.wp-caption, figure { margin: 1.6em 0; }
.wp-caption-text, figcaption {
	margin-top: 0.5em;
	color: var(--sedso-ink-soft);
	font-size: 0.85rem;
	text-align: center;
}
.alignwide { margin-left: calc(-1 * var(--sedso-indent)); }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }

/* “Read more” + archive rhythm */
.more-link {
	display: inline-block;
	margin-top: 0.25rem;
	font-size: 0.9rem;
	font-weight: var(--sedso-w-regular);
	letter-spacing: 0.02em;
}
article.post + article.post { border-top: 1px solid var(--sedso-rule); padding-top: 3rem; }

/* -------------------------------------------------------------------------
   6. Single-post extras: sharing & post footer links
   ------------------------------------------------------------------------- */
.entry-share {
	margin: 2.25rem 0 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.6rem;
	font-size: 0.85rem;
}
@media (min-width: 640px) { .entry-share { margin-left: var(--sedso-indent); } }
.entry-share .share-label {
	color: var(--sedso-ink-soft);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	font-size: 0.72rem;
	font-weight: var(--sedso-w-medium);
}
.entry-share a, .entry-share button {
	font: inherit;
	font-weight: var(--sedso-w-regular);
	color: var(--sedso-brand);
	background: none;
	border: 1px solid var(--sedso-rule);
	border-radius: 999px;
	padding: 0.3rem 0.9rem;
	cursor: pointer;
	text-decoration: none;
}
.entry-share a:hover, .entry-share button:hover {
	border-color: var(--sedso-brand);
	color: var(--sedso-brand-dk);
	text-decoration: none;
}

/* SEDSO resource links under every post */
.sedso-links {
	margin-top: 3rem;
	padding-top: 1.75rem;
	border-top: 1px solid var(--sedso-rule);
	font-size: 0.9rem;
}
.sedso-links ul {
	list-style: none;
	margin: 0 0 1rem;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem 0.6rem;
	justify-content: center;
	text-align: center;
}
.sedso-links li { display: flex; align-items: center; gap: 0.6rem; }
.sedso-links li + li::before {
	content: "·";
	color: var(--sedso-rule);
}
.sedso-links a { color: var(--sedso-ink-soft); font-weight: var(--sedso-w-regular); }
.sedso-links a:hover { color: var(--sedso-brand); }
.sedso-links .sedso-links-books a { color: var(--sedso-brand); }

/* -------------------------------------------------------------------------
   7. Navigation, comments, footer
   ------------------------------------------------------------------------- */
.posts-navigation, .post-navigation {
	margin: 2.5rem 0 0;
	font-size: 0.9rem;
}
.nav-links { display: flex; justify-content: space-between; gap: 1rem; }
.nav-links a { font-weight: var(--sedso-w-regular); }

.comments-area { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--sedso-rule); }
.comments-title, .comment-reply-title { font-size: 1.15rem; font-weight: var(--sedso-w-medium); }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list .comment { margin-bottom: 1.75rem; }
.comment-meta { font-size: 0.85rem; color: var(--sedso-ink-soft); }
.comment-content { font-size: 0.98rem; }
.comment-form label { display: block; font-size: 0.85rem; margin-bottom: 0.25rem; font-weight: var(--sedso-w-regular); }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea,
.search-form .search-field {
	width: 100%;
	font: inherit;
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--sedso-rule);
	border-radius: 6px;
	background: var(--sedso-bg);
	color: var(--sedso-ink);
}
.comment-form input:focus, .comment-form textarea:focus, .search-form .search-field:focus {
	outline: 2px solid var(--sedso-brand);
	outline-offset: 1px;
	border-color: var(--sedso-brand);
}
.comment-form .form-submit input,
.search-form .search-submit,
button, input[type="submit"] {
	font: inherit;
	font-weight: var(--sedso-w-medium);
	color: #fff;
	background: var(--sedso-accent);
	border: 0;
	border-radius: 999px;
	padding: 0.55rem 1.4rem;
	cursor: pointer;
}
.comment-form .form-submit input:hover, .search-form .search-submit:hover { background: var(--sedso-accent-dk); }

.search-form { display: flex; gap: 0.6rem; margin: 1.5rem 0; }
.search-form .search-field { flex: 1; }

.site-footer {
	margin-top: 2rem;
	padding: 2rem 0 3rem;
	text-align: center;
	color: var(--sedso-ink-soft);
	font-size: 0.85rem;
}
.site-footer .colophon { margin-top: 0.5rem; }
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--sedso-brand); }

/* 404 / no results */
.page-title { font-size: 1.5rem; font-weight: var(--sedso-w-medium); }

/* -------------------------------------------------------------------------
   8. Small screens
   ------------------------------------------------------------------------- */
@media (max-width: 639px) {
	body { font-size: 1rem; }
	.site-header { padding-top: 2rem; }
	.site-main { padding-top: 1.4rem; }
	.site-title { font-size: 1.55rem; }
	.site-title .brand-by { font-size: 0.66rem; letter-spacing: 0.26em; }
	.single .entry-title { font-size: 1.6rem; }
	.sedso-links li + li::before { content: none; }
	.sedso-links li { display: inline; }
}

/* -------------------------------------------------------------------------
   9. Print — reading-first to the end
   ------------------------------------------------------------------------- */
@media print {
	.site-nav, .entry-share, .sedso-links, .comments-area,
	.posts-navigation, .post-navigation, .search-form { display: none !important; }
	body { font-size: 11pt; color: #000; }
	a { color: #000; text-decoration: underline; }
}