/*
Theme Name: ИИ простыми словами
Theme URI: https://crashtestsite.duckdns.org
Description: Дочерняя тема на базе Twenty Twenty-Five: светлый читаемый дизайн для блога о технологиях и ИИ.
Template: twentytwentyfive
Version: 1.0.0
Text Domain: ai-prosto
*/

:root {
	--gutter: clamp(1.25rem, 4vw, 2.5rem);
	--radius: 18px;
	--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
	--shadow-md: 0 14px 34px -10px rgba(49, 46, 129, .25);
	--c-accent: #4338ca;
	--c-accent-dark: #312e81;
	--c-teal: #0f766e;
	--c-text: #111827;
	--c-muted: #4b5563;
	--c-border: #e3e5ef;
	--c-surface: #f4f5fb;
}

html { scroll-behavior: smooth; }
body {
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-wrap: break-word;
}
.wp-site-blocks > * + * { margin-block-start: 0; }
.wp-site-blocks { padding: 0; }
img { height: auto; max-width: 100%; }

a:focus-visible, button:focus-visible {
	outline: 3px solid #a5b4fc;
	outline-offset: 2px;
	border-radius: 4px;
}

/* ---------- Шапка ---------- */
header.wp-block-template-part {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255, 255, 255, .9);
	-webkit-backdrop-filter: saturate(180%) blur(14px);
	backdrop-filter: saturate(180%) blur(14px);
	border-bottom: 1px solid var(--c-border);
}
.admin-bar header.wp-block-template-part { top: 32px; }
@media (max-width: 782px) {
	.admin-bar header.wp-block-template-part { top: 46px; }
}
.site-header { padding: .8rem var(--gutter); }
.site-header-inner { align-items: center; gap: 1rem; }
.brand, .brand a {
	font-weight: 800;
	font-size: 1.25rem;
	letter-spacing: -.02em;
	color: var(--c-text);
	text-decoration: none;
	margin: 0;
}
.brand a::before {
	content: "";
	display: inline-block;
	width: .72em;
	height: .72em;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--c-accent), var(--c-teal));
	margin-right: .55rem;
	vertical-align: baseline;
}
.main-nav a {
	font-weight: 600;
	font-size: 1rem;
	text-decoration: none;
	color: var(--c-muted);
}
.main-nav a:hover, .main-nav .current-menu-item > a, .main-nav a[aria-current="page"] { color: var(--c-accent); }
.main-nav .wp-block-navigation__submenu-container {
	border: 1px solid var(--c-border);
	border-radius: 12px;
	box-shadow: var(--shadow-md);
	padding: .4rem;
}
.main-nav .wp-block-navigation__responsive-container.is-menu-open {
	background: #fff;
	padding: 1.5rem var(--gutter);
}
.main-nav .wp-block-navigation__responsive-container.is-menu-open a { font-size: 1.25rem; color: var(--c-text); }

/* ---------- Главная: hero ---------- */
.hero {
	background: var(--wp--preset--gradient--hero);
	padding: clamp(3.5rem, 9vw, 7rem) max(var(--gutter), calc((100% - 74rem) / 2));
}
.hero > * {
	max-width: 50rem;
	margin-left: 0 !important;
	margin-right: auto !important;
}
.hero h1 { margin: 1rem 0 1.25rem; }
.eyebrow {
	display: inline-block;
	font-weight: 700;
	font-size: .8125rem;
	letter-spacing: .07em;
	text-transform: uppercase;
	color: var(--c-accent);
	background: #fff;
	border: 1px solid #c7d2fe;
	padding: .35rem .85rem;
	border-radius: 999px;
	margin: 0;
}
.lead {
	font-size: clamp(1.1875rem, 1rem + .8vw, 1.375rem);
	color: var(--c-muted);
	line-height: 1.6;
}
.hero .wp-block-buttons { margin-top: 2rem; gap: .9rem; }

/* Кнопки */
.wp-block-button__link { transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.wp-block-button:not(.is-style-outline) .wp-block-button__link:hover {
	transform: translateY(-1px);
	box-shadow: var(--shadow-md);
}
.wp-block-button.is-style-outline .wp-block-button__link {
	background: transparent;
	color: var(--c-accent);
	border: 2px solid var(--c-accent);
	padding: calc(.85rem - 2px) calc(1.6rem - 2px);
}
.wp-block-button.is-style-outline .wp-block-button__link:hover {
	background: var(--c-accent);
	color: #fff;
}

/* ---------- Секции ---------- */
.section { padding: clamp(3rem, 7vw, 5rem) var(--gutter); }
.section.alt { background: var(--c-surface); }
.section-head { margin-bottom: 2rem; }
.section-head h2 { margin: 0 0 .5rem; }
.section-head p { color: var(--c-muted); margin: 0; }
.more-link { margin-top: 2.25rem; }

/* ---------- Карточки статей ---------- */
.wp-block-post-template { padding: 0; margin: 0; }
.wp-block-post-template.is-layout-grid { gap: 1.5rem; }
.post-card {
	background: #fff;
	border: 1px solid var(--c-border);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: transform .2s ease, box-shadow .2s ease;
	height: 100%;
	display: flex;
	flex-direction: column;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.post-card .wp-block-post-featured-image { margin: 0; }
.post-card .wp-block-post-featured-image img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	display: block;
}
.post-card__body {
	padding: 1.25rem 1.4rem 1.5rem;
	display: flex;
	flex-direction: column;
	gap: .65rem;
	flex: 1;
}
.post-card__body > * { margin: 0 !important; max-width: none !important; }
.post-card .wp-block-post-title { font-size: 1.3125rem; line-height: 1.28; }
.post-card .wp-block-post-title a { color: var(--c-text); text-decoration: none; }
.post-card .wp-block-post-title a:hover { color: var(--c-accent); }
.post-card .wp-block-post-excerpt { color: var(--c-muted); font-size: 1rem; line-height: 1.6; }
.post-card .wp-block-post-excerpt p { margin: 0; }
.post-card .wp-block-post-date { color: var(--c-muted); font-size: .875rem; margin-top: auto !important; padding-top: .35rem; }

.chip a, .chip {
	font-size: .78rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .05em;
}
.chip a {
	display: inline-block;
	text-decoration: none;
	color: var(--c-accent);
	background: #eef2ff;
	padding: .28rem .75rem;
	border-radius: 999px;
}
.chip a:hover { background: var(--c-accent); color: #fff; }
.chip .wp-block-post-terms__separator { display: none; }

/* ---------- Рубрики ---------- */
.category-grid { gap: 1.25rem; }
.category-card {
	background: #fff;
	border: 1px solid var(--c-border);
	border-radius: var(--radius);
	padding: 1.5rem;
	transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
	position: relative;
	border-top: 4px solid var(--c-accent);
}
.category-card:nth-child(even) { border-top-color: var(--c-teal); }
.category-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.category-card > * + *, .promise > * + *, .section-head > * + * { margin-block-start: 0 !important; }
.hero h1 { max-width: 60rem; }
.category-card.all { background: var(--c-accent); border-color: var(--c-accent); border-top-color: var(--c-accent-dark); }
.category-card.all h3 a, .category-card.all p { color: #fff; }
.category-card h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.category-card h3 a { color: var(--c-text); text-decoration: none; }
.category-card h3 a::after { content: ""; position: absolute; inset: 0; }
.category-card p { margin: 0; color: var(--c-muted); font-size: 1rem; line-height: 1.55; }

/* ---------- Преимущества ---------- */
.promise-grid { gap: 1.5rem; }
.promise h3 { margin: 0 0 .4rem; font-size: 1.2rem; }
.promise p { margin: 0; color: var(--c-muted); }
.promise .num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 12px;
	background: #eef2ff;
	color: var(--c-accent);
	font-weight: 800;
	margin-bottom: .9rem;
}

/* ---------- Статья ---------- */
.single-main, .page-main { padding: clamp(2rem, 5vw, 4rem) var(--gutter) clamp(3rem, 6vw, 5rem); }
.post-head { margin-bottom: 2rem; }
.post-head .wp-block-post-title, .page-main .wp-block-post-title {
	font-size: clamp(2rem, 1.4rem + 3vw, 3.25rem);
	margin: .9rem 0 .8rem;
}
.post-meta { color: var(--c-muted); font-size: .95rem; margin: 0; }
.post-cover { margin-bottom: 2.5rem; }
.post-cover img { border-radius: var(--radius); width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
/* типографика статей — только в шаблонах записи и страницы, чтобы не задевать главную */
:is(.single-main, .page-main) .wp-block-post-content p,
:is(.single-main, .page-main) .wp-block-post-content li { font-size: 1.1875rem; line-height: 1.75; }
:is(.single-main, .page-main) .wp-block-post-content h2 { margin-top: 2.6rem; margin-bottom: .6rem; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
:is(.single-main, .page-main) .wp-block-post-content h3 { margin-top: 2rem; }
:is(.single-main, .page-main) .wp-block-post-content ul,
:is(.single-main, .page-main) .wp-block-post-content ol { padding-left: 1.4rem; }
:is(.single-main, .page-main) .wp-block-post-content li + li { margin-top: .4rem; }
:is(.single-main, .page-main) .wp-block-post-content blockquote {
	border-left: 4px solid var(--c-accent);
	background: var(--c-surface);
	padding: 1rem 1.4rem;
	border-radius: 0 12px 12px 0;
	margin-left: 0;
}
:is(.single-main, .page-main) .wp-block-post-content blockquote p { margin: 0; }
.post-nav {
	margin-top: 3.5rem;
	padding-top: 1.75rem;
	border-top: 1px solid var(--c-border);
	gap: 1.5rem;
}
.post-nav a { font-weight: 600; text-decoration: none; }
.post-nav > * { max-width: 48%; }

/* ---------- Пагинация ---------- */
.wp-block-query-pagination { margin-top: 2.5rem; gap: .5rem; }
.wp-block-query-pagination a, .wp-block-query-pagination .page-numbers {
	padding: .45rem .9rem;
	border-radius: 10px;
	text-decoration: none;
	font-weight: 600;
}
.wp-block-query-pagination .page-numbers.current { background: var(--c-accent); color: #fff; }

/* ---------- Подвал ---------- */
footer.wp-block-template-part {
	background: #0f172a;
	color: #cbd5e1;
}
.site-footer { padding: clamp(2.5rem, 6vw, 4rem) var(--gutter) 2rem; }
.site-footer a { color: #e2e8f0; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer h3 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 .9rem; }
.site-footer p { margin: 0; font-size: 1rem; line-height: 1.6; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li + li { margin-top: .5rem; }
.footer-grid { gap: 2rem; }
.footer-brand { font-weight: 800; font-size: 1.35rem; color: #fff; margin-bottom: .75rem !important; }
.footer-bottom {
	margin-top: 2.5rem;
	padding-top: 1.5rem;
	border-top: 1px solid #1e293b;
	font-size: .9rem;
	color: #94a3b8;
}
.footer-bottom p { font-size: .9rem; }

@media (max-width: 600px) {
	.post-nav { flex-direction: column; }
	.post-nav > * { max-width: 100%; }
	.hero .wp-block-buttons { flex-direction: column; align-items: stretch; }
	.hero .wp-block-button, .hero .wp-block-button__link { width: 100%; text-align: center; }
}

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