/*
Theme Name: phpFK Future
Author: Frank Karau
Author URI: https://www.frank-karau.de/
Description: A lightweight, modern and accessible WordPress theme with a fresh green future-inspired design. Built for speed, clean content presentation and the block editor.
Version: 1.0.1
Requires at least: 6.4
Tested up to: 6.8
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: phpfk-future
Tags: blog, news, portfolio, one-column, two-columns, right-sidebar, custom-background, custom-colors, custom-logo, custom-menu, editor-style, featured-images, footer-widgets, full-width-template, rtl-language-support, sticky-post, threaded-comments, translation-ready, wide-blocks
*/

:root {
	--kf-green-900: #063c32;
	--kf-green-800: #07594a;
	--kf-green-700: #087864;
	--kf-green-600: #0a9b7f;
	--kf-green-500: #18bf92;
	--kf-lime: #8ee65d;
	--kf-ink: #10231e;
	--kf-muted: #5d706a;
	--kf-line: #dbe9e3;
	--kf-surface: #ffffff;
	--kf-soft: #f2f8f5;
	--kf-shadow: 0 18px 50px rgba(6, 60, 50, 0.09);
	--kf-radius: 18px;
	--kf-container: 1180px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--kf-soft);
	color: var(--kf-ink);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 17px;
	line-height: 1.72;
	text-rendering: optimizeLegibility;
}

a { color: var(--kf-green-700); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover, a:focus { color: var(--kf-green-900); }
img { max-width: 100%; height: auto; }
figure { margin-inline: 0; }
button, input, select, textarea { font: inherit; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px; padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.screen-reader-text:focus {
	top: 10px; left: 10px; z-index: 100000;
	width: auto; height: auto; padding: 12px 16px; margin: 0;
	clip: auto; background: #fff; color: var(--kf-green-900); border-radius: 8px;
}

.site-header {
	position: relative;
	z-index: 20;
	background: linear-gradient(120deg, #052f28, #07594a 62%, #087864);
	color: #fff;
	box-shadow: 0 8px 30px rgba(4, 48, 40, 0.16);
}
.site-header::after {
	content: "";
	position: absolute; inset: 0;
	pointer-events: none;
	background: radial-gradient(circle at 82% 20%, rgba(142, 230, 93, 0.18), transparent 28%);
}
.header-inner,
.site-content,
.footer-inner { width: min(calc(100% - 40px), var(--kf-container)); margin-inline: auto; }
.header-inner {
	position: relative; z-index: 1;
	display: flex; align-items: center; justify-content: space-between; gap: 32px;
	min-height: 82px;
}
.site-branding { display: flex; align-items: center; gap: 14px; min-width: 0; }
.custom-logo { display: block; width: auto; max-height: 48px; }
.site-title { margin: 0; font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.1; letter-spacing: -0.025em; }
.site-title a { color: #fff; text-decoration: none; }
.site-description { margin: 5px 0 0; color: rgba(255,255,255,.72); font-size: .82rem; line-height: 1.3; }

.main-navigation ul { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.main-navigation li { position: relative; }
.main-navigation a { display: block; padding: 10px 13px; color: rgba(255,255,255,.9); border-radius: 10px; font-weight: 650; font-size: .92rem; text-decoration: none; }
.main-navigation a:hover, .main-navigation a:focus, .main-navigation .current-menu-item > a { background: rgba(255,255,255,.12); color: #fff; }
.main-navigation .sub-menu {
	position: absolute; top: calc(100% + 8px); left: 0; z-index: 30;
	display: none; width: 220px; padding: 8px;
	background: #fff; border: 1px solid var(--kf-line); border-radius: 12px;
	box-shadow: var(--kf-shadow);
}
.main-navigation .sub-menu a { color: var(--kf-ink); }
.main-navigation .sub-menu a:hover, .main-navigation .sub-menu a:focus { background: var(--kf-soft); color: var(--kf-green-800); }
.main-navigation li:hover > .sub-menu, .main-navigation li:focus-within > .sub-menu { display: block; }
.menu-toggle { display: none; padding: 9px 12px; border: 1px solid rgba(255,255,255,.28); border-radius: 10px; background: transparent; color: #fff; cursor: pointer; }

.site-content { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; padding-block: 54px 70px; }
.site-content.no-sidebar { grid-template-columns: minmax(0, 1fr); max-width: 900px; }
.content-area { min-width: 0; }

.page-header,
.entry,
.widget,
.comments-area,
.post-navigation,
.pagination {
	background: var(--kf-surface);
	border: 1px solid var(--kf-line);
	border-radius: var(--kf-radius);
	box-shadow: var(--kf-shadow);
}
.page-header { margin-bottom: 26px; padding: 26px 30px; border-left: 5px solid var(--kf-green-500); }
.page-title { margin: 0; font-size: clamp(1.65rem, 4vw, 2.35rem); line-height: 1.18; letter-spacing: -0.035em; }
.archive-description { color: var(--kf-muted); }

.entry { position: relative; overflow: hidden; margin-bottom: 28px; }
.entry::before { content: ""; display: block; height: 4px; background: linear-gradient(90deg, var(--kf-green-600), var(--kf-lime)); }
.entry-header, .entry-content, .entry-summary, .entry-footer { padding-inline: clamp(22px, 4vw, 42px); }
.entry-header { padding-top: clamp(28px, 5vw, 46px); }
.entry-content, .entry-summary { padding-bottom: 34px; }
.entry-footer { padding-block: 17px; background: #f8fbf9; border-top: 1px solid var(--kf-line); color: var(--kf-muted); font-size: .86rem; }
.entry-title { margin: 0 0 12px; font-size: clamp(1.65rem, 4vw, 2.65rem); line-height: 1.12; letter-spacing: -0.045em; overflow-wrap: anywhere; }
.entry-title a { color: var(--kf-ink); text-decoration: none; }
.entry-title a:hover, .entry-title a:focus { color: var(--kf-green-700); }
.entry-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--kf-muted); font-size: .86rem; }
.entry-meta a { color: inherit; }
.post-thumbnail { display: block; margin: 26px clamp(22px, 4vw, 42px) 0; overflow: hidden; border-radius: 14px; }
.post-thumbnail img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s ease; }
.post-thumbnail:hover img { transform: scale(1.018); }

.entry-content > * { max-width: 760px; }
.entry-content > .alignwide { max-width: 1060px; margin-left: auto; margin-right: auto; }
.entry-content > .alignfull { max-width: none; width: auto; margin-left: calc(clamp(22px, 4vw, 42px) * -1); margin-right: calc(clamp(22px, 4vw, 42px) * -1); }
.entry-content h1, .entry-content h2, .entry-content h3, .entry-content h4 { line-height: 1.2; letter-spacing: -0.025em; }
.entry-content blockquote { margin-inline: 0; padding: 18px 22px; border-left: 4px solid var(--kf-green-500); background: var(--kf-soft); border-radius: 0 12px 12px 0; }
.entry-content table { width: 100%; border-collapse: collapse; }
.entry-content th, .entry-content td { padding: 10px 12px; border: 1px solid var(--kf-line); text-align: left; }
.entry-content pre { overflow: auto; padding: 18px; border-radius: 12px; background: #0b201b; color: #dffbef; }

.button, button, input[type="submit"], .wp-element-button, .wp-block-button__link {
	border: 0; border-radius: 11px; padding: 11px 18px;
	background: linear-gradient(135deg, var(--kf-green-700), var(--kf-green-500));
	color: #fff; font-weight: 750; text-decoration: none; cursor: pointer;
	box-shadow: 0 8px 24px rgba(10, 155, 127, .22);
}
.button:hover, button:hover, input[type="submit"]:hover, .wp-element-button:hover, .wp-block-button__link:hover { color: #fff; filter: brightness(.95); }
input[type="text"], input[type="email"], input[type="url"], input[type="search"], input[type="password"], textarea, select {
	width: 100%; padding: 11px 13px; border: 1px solid #cbdcd5; border-radius: 10px; background: #fff; color: var(--kf-ink);
}
input:focus, textarea:focus, select:focus { outline: 3px solid rgba(24,191,146,.18); border-color: var(--kf-green-600); }

.widget-area { min-width: 0; }
.widget { margin-bottom: 22px; padding: 24px; }
.widget-title { margin: 0 0 15px; color: var(--kf-green-900); font-size: 1rem; letter-spacing: .015em; text-transform: uppercase; }
.widget ul { margin: 0; padding-left: 1.15rem; }
.widget li + li { margin-top: 8px; }

.pagination, .post-navigation { margin: 26px 0; padding: 20px 24px; }
.nav-links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.page-numbers { display: inline-flex; min-width: 38px; min-height: 38px; align-items: center; justify-content: center; padding: 4px 10px; border-radius: 9px; text-decoration: none; }
.page-numbers.current { background: var(--kf-green-700); color: #fff; }

.comments-area { margin-top: 28px; padding: clamp(22px, 4vw, 38px); }
.comment-list { padding: 0; list-style: none; }
.comment-list .children { list-style: none; }
.comment-body { margin-bottom: 18px; padding: 18px; border: 1px solid var(--kf-line); border-radius: 12px; }
.avatar { border-radius: 50%; }

.site-footer { position: relative; overflow: hidden; background: #052f28; color: rgba(255,255,255,.76); }
.site-footer::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 0, rgba(24,191,146,.18), transparent 32%); pointer-events: none; }
.footer-widgets { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-block: 44px 24px; }
.footer-widgets .widget { margin: 0; background: rgba(255,255,255,.055); border-color: rgba(255,255,255,.1); box-shadow: none; }
.footer-widgets .widget-title, .footer-widgets a { color: #fff; }
.site-info { position: relative; display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid rgba(255,255,255,.11); font-size: .86rem; }
.site-info a { color: #c8ffd4; }

.sticky { outline: 2px solid rgba(24,191,146,.45); }
.sticky-label { display: inline-block; margin-bottom: 12px; padding: 4px 9px; border-radius: 999px; background: #e0f8e6; color: var(--kf-green-900); font-size: .74rem; font-weight: 800; text-transform: uppercase; }
.byline, .updated:not(.published) { display: none; }
.single .byline, .group-blog .byline { display: inline; }

@media (max-width: 900px) {
	.header-inner { flex-wrap: wrap; padding-block: 15px; }
	.menu-toggle { display: inline-flex; margin-left: auto; }
	.main-navigation { width: 100%; }
	.main-navigation ul { display: none; padding: 10px 0 4px; }
	.main-navigation.toggled ul { display: grid; }
	.main-navigation a { padding: 11px 0; }
	.main-navigation .sub-menu { position: static; display: grid; width: auto; padding: 0 0 0 18px; background: transparent; border: 0; box-shadow: none; }
	.main-navigation .sub-menu a { color: rgba(255,255,255,.82); }
	.main-navigation .sub-menu a:hover, .main-navigation .sub-menu a:focus { background: transparent; color: #fff; }
	.site-content { grid-template-columns: 1fr; padding-top: 34px; }
	.footer-widgets { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
	.header-inner, .site-content, .footer-inner { width: min(calc(100% - 24px), var(--kf-container)); }
	.site-description { display: none; }
	.entry-header, .entry-content, .entry-summary, .entry-footer { padding-inline: 20px; }
	.post-thumbnail { margin-inline: 20px; }
	.site-info { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}