/*
Theme Name: KaiAriel
Theme URI: https://kaiariel.com
Author: Ariel Castillo
Description: Tema propio de kaiariel.com. Sin constructores: cabecera, pie y sistema visual en código; las páginas con diseño propio van en un bloque HTML a ancho completo ("lienzo").
Version: 1.0.0
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: kaiariel
*/

/* ---------- Tokens (fuente de verdad: 01_Marca/Manual_y_Sistema/paletas_tipografia.md) ---------- */
:root {
	--ka-paper: #f4f0ea;
	--ka-ink: #111111;
	--ka-terra: #c96e4a;
	--ka-terra-dark: #a8542f;
	--ka-sand: #e8ddd2;
	--ka-muted: #666666;
	--ka-navy: #16202a;
	--ka-card: #fbf9f5;
	--ka-line: rgba(17, 17, 17, .16);
	--ka-soft: rgba(17, 17, 17, .08);

	--ka-title: 'Inter Tight', system-ui, sans-serif;
	--ka-body: 'Inter', system-ui, sans-serif;
	--ka-serif: 'Cormorant Garamond', Georgia, serif;
	--ka-mono: 'IBM Plex Mono', ui-monospace, monospace;

	--ka-wrap: 1180px;
	--ka-read: 720px;
	--ka-gutter: clamp(16px, 4vw, 32px);
	--ka-header-h: 68px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--ka-header-h) + 16px); }
body {
	margin: 0;
	background: var(--ka-paper);
	color: var(--ka-ink);
	font-family: var(--ka-body);
	font-size: 17px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: var(--ka-terra); text-underline-offset: 3px; }
a:hover { color: var(--ka-terra-dark); }
:focus-visible { outline: 2px solid var(--ka-terra); outline-offset: 3px; }
::selection { background: var(--ka-terra); color: #fff; }

h1, h2, h3, h4 { font-family: var(--ka-title); line-height: 1.08; letter-spacing: -.018em; margin: 0 0 .5em; }
em.ka-serif, .ka-serif { font-family: var(--ka-serif); font-style: italic; font-weight: 600; color: var(--ka-terra); letter-spacing: 0; }

.ka-wrap { width: min(100% - 2 * var(--ka-gutter), var(--ka-wrap)); margin-inline: auto; }
.ka-read { width: min(100% - 2 * var(--ka-gutter), var(--ka-read)); margin-inline: auto; }
.screen-reader-text, .ka-sr {
	position: absolute !important; width: 1px; height: 1px; overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}
.ka-skip:focus {
	position: fixed; top: 12px; left: 12px; z-index: 1000; width: auto; height: auto; clip: auto;
	padding: 10px 16px; background: var(--ka-ink); color: #fff; font-weight: 600;
}

.ka-kicker {
	display: inline-flex; align-items: center; gap: 8px;
	font-family: var(--ka-mono); font-size: 12px; font-weight: 500;
	letter-spacing: .12em; text-transform: uppercase; color: var(--ka-terra-dark);
}
.ka-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ka-terra); }

.ka-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	min-height: 44px; padding: 0 20px;
	font-family: var(--ka-title); font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase;
	text-decoration: none; border: 1.5px solid var(--ka-ink); border-radius: 0;
	background: var(--ka-ink); color: #fff; cursor: pointer;
	transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.ka-btn:hover { background: var(--ka-terra); border-color: var(--ka-terra); color: #fff; }
.ka-btn--ghost { background: transparent; color: var(--ka-ink); }
.ka-btn--ghost:hover { background: var(--ka-ink); border-color: var(--ka-ink); color: #fff; }

/* ---------- Cabecera ---------- */
.ka-header {
	position: sticky; top: 0; z-index: 100;
	border-bottom: 1px solid var(--ka-line);
}
/* El desenfoque va en un pseudo-elemento: un backdrop-filter en .ka-header convertiría
   la cabecera en el contenedor del menú móvil (position: fixed) y lo recortaría. */
.ka-header::before {
	content: ""; position: absolute; inset: 0; z-index: -1;
	background: rgba(244, 240, 234, .88);
	-webkit-backdrop-filter: saturate(1.4) blur(12px);
	backdrop-filter: saturate(1.4) blur(12px);
}
.admin-bar .ka-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .ka-header { top: 46px; } }
.ka-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--ka-header-h); }

.ka-logo {
	font-family: var(--ka-title); font-weight: 800; font-size: 22px; letter-spacing: -.03em;
	text-decoration: none; color: var(--ka-ink); white-space: nowrap;
}
.ka-logo span { color: var(--ka-terra); }
.ka-logo:hover { color: var(--ka-ink); }

.ka-nav { display: flex; align-items: center; gap: 28px; }
.ka-menu, .ka-menu ul { list-style: none; margin: 0; padding: 0; }
.ka-menu { display: flex; align-items: center; gap: 4px; }
.ka-menu > li { position: relative; }
.ka-menu a, .ka-menu .ka-sub-toggle {
	display: flex; align-items: center; gap: 6px;
	padding: 8px 12px; font-size: 15px; font-weight: 500; text-decoration: none; color: var(--ka-ink);
	background: none; border: 0; font-family: inherit; cursor: pointer;
}
.ka-menu > li > a:hover, .ka-menu .ka-sub-toggle:hover { color: var(--ka-terra-dark); }
.ka-menu .current-menu-item > a, .ka-menu .current-menu-ancestor > .ka-sub-toggle, .ka-menu .current_page_parent > a {
	color: var(--ka-ink); box-shadow: inset 0 -2px 0 var(--ka-terra);
}
.ka-sub-toggle svg { width: 12px; height: 12px; transition: transform .2s ease; }

.ka-menu .sub-menu {
	position: absolute; top: calc(100% + 6px); left: 0; min-width: 260px;
	padding: 8px; background: var(--ka-card); border: 1px solid var(--ka-line);
	box-shadow: 0 18px 40px -18px rgba(17, 17, 17, .35);
	opacity: 0; visibility: hidden; transform: translateY(-4px);
	transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.ka-menu .sub-menu a { padding: 10px 12px; font-size: 14.5px; }
.ka-menu .sub-menu a:hover { background: var(--ka-sand); color: var(--ka-ink); }
.ka-menu li:hover > .sub-menu,
.ka-menu li:focus-within > .sub-menu,
.ka-menu li.is-open > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.ka-menu li.is-open > .ka-sub-toggle svg { transform: rotate(180deg); }

.ka-burger {
	display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--ka-line);
	background: transparent; cursor: pointer; align-items: center; justify-content: center;
}
.ka-burger span, .ka-burger span::before, .ka-burger span::after {
	display: block; width: 18px; height: 1.5px; background: var(--ka-ink); position: relative; transition: transform .2s ease, background .2s ease;
}
.ka-burger span::before, .ka-burger span::after { content: ""; position: absolute; left: 0; }
.ka-burger span::before { top: -6px; }
.ka-burger span::after { top: 6px; }
.ka-burger[aria-expanded="true"] span { background: transparent; }
.ka-burger[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.ka-burger[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 960px) {
	.ka-burger { display: inline-flex; }
	.ka-nav {
		position: fixed; inset: var(--ka-header-h) 0 0 0; z-index: 99;
		flex-direction: column; align-items: stretch; gap: 0;
		padding: 16px var(--ka-gutter) 32px; overflow-y: auto;
		background: var(--ka-paper); border-top: 1px solid var(--ka-line);
		opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s;
	}
	.admin-bar .ka-nav { top: calc(var(--ka-header-h) + 46px); }
	.ka-nav.is-open { opacity: 1; visibility: visible; }
	.ka-menu { flex-direction: column; align-items: stretch; gap: 0; }
	.ka-menu > li { border-bottom: 1px solid var(--ka-line); }
	.ka-menu a, .ka-menu .ka-sub-toggle { width: 100%; justify-content: space-between; padding: 16px 0; font-size: 19px; font-family: var(--ka-title); font-weight: 700; }
	.ka-menu .current-menu-item > a { box-shadow: none; color: var(--ka-terra-dark); }
	.ka-menu .sub-menu {
		position: static; min-width: 0; padding: 0 0 12px 12px; border: 0; box-shadow: none; background: none;
		display: none; opacity: 1; visibility: visible; transform: none;
	}
	.ka-menu li:hover > .sub-menu, .ka-menu li:focus-within > .sub-menu { display: none; }
	.ka-menu li.is-open > .sub-menu { display: block; }
	.ka-menu .sub-menu a { padding: 10px 0; font-family: var(--ka-body); font-weight: 500; font-size: 16px; }
	.ka-nav .ka-btn { margin-top: 24px; }
	body.ka-nav-open { overflow: hidden; }
}

/* ---------- Lienzo: páginas con diseño propio en un bloque HTML ---------- */
.ka-lienzo { display: block; }
.ka-lienzo > :first-child { margin-top: 0; }

/* ---------- Contenido estándar (entradas y páginas escritas con bloques) ---------- */
.ka-main { padding-block: clamp(40px, 7vw, 88px); }
.ka-entry-head { margin-bottom: 40px; }
.ka-entry-head h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 800; }
.ka-meta { font-family: var(--ka-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ka-muted); }

.ka-prose { font-size: 18px; line-height: 1.75; }
.ka-prose > * { margin-block: 0 1.2em; }
.ka-prose h2 { font-size: clamp(26px, 3.4vw, 36px); margin-top: 1.8em; }
.ka-prose h3 { font-size: 22px; margin-top: 1.5em; }
.ka-prose a { color: var(--ka-terra-dark); }
.ka-prose blockquote { margin-inline: 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--ka-terra); font-family: var(--ka-serif); font-size: 24px; font-style: italic; line-height: 1.4; }
.ka-prose code { font-family: var(--ka-mono); font-size: .88em; background: var(--ka-sand); padding: 2px 5px; }
.ka-prose pre { background: var(--ka-ink); color: var(--ka-paper); padding: 20px; overflow-x: auto; font-size: 14px; }
.ka-prose pre code { background: none; padding: 0; }
.ka-prose .alignwide { width: min(100vw - 2 * var(--ka-gutter), var(--ka-wrap)); margin-inline: calc(50% - min(50vw - var(--ka-gutter), var(--ka-wrap) / 2)); }
.ka-prose .alignfull { width: 100vw; margin-inline: calc(50% - 50vw); }

/* ---------- Blog (listado) ---------- */
.ka-blog-head { padding-block: clamp(48px, 8vw, 96px) 32px; border-bottom: 1px solid var(--ka-line); }
.ka-blog-head h1 { font-size: clamp(40px, 6.6vw, 80px); font-weight: 900; letter-spacing: -.03em; margin: 12px 0 16px; }
.ka-blog-head p { max-width: 620px; color: var(--ka-muted); font-size: 18px; margin: 0; }

.ka-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 40px 28px; padding-block: 48px 88px; }
.ka-card { display: flex; flex-direction: column; gap: 14px; text-decoration: none; color: inherit; }
.ka-card__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--ka-sand); }
.ka-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.ka-card:hover .ka-card__img img { transform: scale(1.03); }
.ka-card h2 { font-size: 22px; font-weight: 800; margin: 0; line-height: 1.2; }
.ka-card:hover h2 { color: var(--ka-terra-dark); }
.ka-card p { margin: 0; color: var(--ka-muted); font-size: 15.5px; line-height: 1.6; }
.ka-card--feat { grid-column: 1 / -1; display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.ka-card--feat h2 { font-size: clamp(28px, 3.6vw, 42px); }
@media (max-width: 760px) { .ka-card--feat { grid-template-columns: 1fr; gap: 16px; } }

.ka-pager { display: flex; justify-content: center; gap: 8px; padding-bottom: 88px; }
.ka-pager .page-numbers { min-width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--ka-line); text-decoration: none; font-family: var(--ka-mono); }
.ka-pager .current { background: var(--ka-ink); color: #fff; border-color: var(--ka-ink); }

/* ---------- 404 ---------- */
.ka-404 { padding-block: clamp(80px, 14vw, 160px); }
.ka-404 h1 { font-size: clamp(44px, 8vw, 96px); font-weight: 900; letter-spacing: -.04em; }
.ka-404 p { font-size: 19px; color: var(--ka-muted); max-width: 540px; }

/* ---------- Pie ---------- */
.ka-footer { background: var(--ka-ink); color: rgba(244, 240, 234, .72); }
.ka-footer a { color: var(--ka-paper); text-decoration: none; }
.ka-footer a:hover { color: var(--ka-terra); }
.ka-footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-block: 72px 48px; }
.ka-footer__claim { font-family: var(--ka-title); font-weight: 800; font-size: clamp(26px, 3.2vw, 38px); line-height: 1.1; letter-spacing: -.02em; color: var(--ka-paper); margin: 0 0 24px; }
.ka-footer__claim em { font-family: var(--ka-serif); font-weight: 600; color: var(--ka-terra); }
.ka-footer h2 { font-family: var(--ka-mono); font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: rgba(244, 240, 234, .5); margin: 6px 0 16px; }
.ka-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15px; }
.ka-footer .ka-btn { background: var(--ka-terra); border-color: var(--ka-terra); }
.ka-footer .ka-btn:hover { background: var(--ka-paper); border-color: var(--ka-paper); color: var(--ka-ink); }
.ka-social { display: flex; gap: 10px; margin-top: 28px; }
.ka-social a { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(244, 240, 234, .22); border-radius: 50%; transition: background .2s ease, border-color .2s ease; }
.ka-social a:hover { background: var(--ka-terra); border-color: var(--ka-terra); color: #fff; }
.ka-social svg { width: 18px; height: 18px; fill: currentColor; }
.ka-footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 24px 32px; border-top: 1px solid rgba(244, 240, 234, .14); font-family: var(--ka-mono); font-size: 12px; letter-spacing: .04em; }
.ka-footer__bottom ul { display: flex; flex-wrap: wrap; gap: 8px 20px; }
@media (max-width: 860px) { .ka-footer__top { grid-template-columns: 1fr 1fr; } .ka-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .ka-footer__top { grid-template-columns: 1fr; gap: 36px; } }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Contacto ---------- */
.ka-contacto { padding-block: clamp(48px, 8vw, 104px); }
.ka-contacto__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.ka-contacto h1 { font-size: clamp(38px, 5.4vw, 66px); font-weight: 900; letter-spacing: -.028em; margin: 14px 0 20px; }
.ka-lead { font-size: 19px; line-height: 1.6; color: #333; max-width: 520px; }
.ka-canales { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid var(--ka-line); }
.ka-canales li { display: grid; gap: 2px; padding: 18px 0; border-bottom: 1px solid var(--ka-line); }
.ka-canales a, .ka-canales li > span:not(.ka-meta) { font-family: var(--ka-title); font-weight: 700; font-size: 20px; text-decoration: none; }
.ka-canales a:hover { color: var(--ka-terra-dark); }
.ka-canales small { color: var(--ka-muted); font-size: 14px; }
.ka-contacto__form { background: var(--ka-card); border: 1px solid var(--ka-line); padding: clamp(24px, 4vw, 44px); }
.ka-contacto__form h2 { font-size: 30px; font-weight: 800; margin: 0 0 4px; }
.ka-contacto__form > .ka-meta { margin: 0 0 28px; }
@media (max-width: 860px) { .ka-contacto__grid { grid-template-columns: 1fr; } }

.ka-form { display: grid; gap: 18px; }
.ka-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .ka-form__row { grid-template-columns: 1fr; } }
.ka-form label { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 4px; font-size: 14px; font-weight: 600; }
.ka-form label > input, .ka-form label > select, .ka-form label > textarea { flex: 1 0 100%; }
.ka-form label > span[aria-hidden] { color: var(--ka-terra); }
.ka-form small { font-weight: 400; color: var(--ka-muted); }
.ka-form input:not([type=checkbox]), .ka-form select, .ka-form textarea {
	width: 100%; min-height: 48px; padding: 12px 14px; font: 400 16px/1.4 var(--ka-body); color: var(--ka-ink);
	background: #fff; border: 1px solid var(--ka-line); border-radius: 0; transition: border-color .15s ease, box-shadow .15s ease;
}
.ka-form textarea { resize: vertical; }
.ka-form input:focus, .ka-form select:focus, .ka-form textarea:focus { outline: none; border-color: var(--ka-terra); box-shadow: 0 0 0 3px rgba(201, 110, 74, .18); }
.ka-form .ka-check { flex-wrap: nowrap; gap: 10px; align-items: flex-start; font-weight: 400; color: #333; }
.ka-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--ka-terra); flex: none; }
/* La casilla no hereda el ancho completo de los campos (flex: 1 0 100%): si no, empuja el texto fuera de la pantalla. */
.ka-form .ka-check > input { flex: 0 0 18px; }
.ka-form .ka-check > span { flex: 1 1 auto; min-width: 0; }
.ka-form .ka-btn { justify-self: start; min-width: 200px; }
.ka-trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.ka-form-ok, .ka-form-error { padding: 16px 18px; margin-bottom: 20px; font-size: 15.5px; }
.ka-form-ok { background: #e7efe4; border-left: 3px solid #4f7a45; }
.ka-form-error { background: #f7e4dc; border-left: 3px solid var(--ka-terra-dark); }