/* Y2K Purple Portfolio — main.css
   Tokens, base, layout, cabecera, navegación, átomos de UI, pie y buscador. */

:root {
	/* Paleta (cámbiala aquí y todo el theme se actualiza) */
	--bg: #06040f;
	--background: #06040f;
	--surface: rgba(22, 14, 50, .66);
	--surface-solid: #140d2e;
	--primary: #7b5cff;
	--secondary: #b79bff;
	--accent: #ff6ad5;
	--text: #f1ecff;
	--muted: #a99fcb;
	--line: rgba(157, 125, 255, .2);
	--line-strong: rgba(183, 155, 255, .42);
	--glow: 0 0 28px rgba(123, 92, 255, .55);

	--font-display: "Unbounded", "Arial Black", system-ui, sans-serif;
	--font-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
	--font-mono: "Share Tech Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

	--ease: cubic-bezier(.22, 1, .36, 1);
	--r: 18px;
	--r-sm: 10px;
	--wrap: 1200px;
	--gutter: clamp(1rem, 4vw, 2rem);
	--header-h: 64px;
}

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

html {
	background: var(--bg);
	scroll-behavior: smooth;
	scroll-padding-top: calc(var(--header-h) + 1rem);
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	color: var(--text);
	font: 400 1rem/1.7 var(--font-body);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

/* Fondo: resplandores + rejilla + halftone (capas fijas, sin repintados) */
body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -2;
	pointer-events: none;
	background:
		radial-gradient(60rem 40rem at 85% -10%, rgba(123, 92, 255, .34), transparent 62%),
		radial-gradient(45rem 35rem at -10% 35%, rgba(255, 106, 213, .1), transparent 60%),
		radial-gradient(70rem 45rem at 50% 115%, rgba(88, 58, 220, .3), transparent 60%);
}
body::after {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	opacity: .5;
	background-image:
		linear-gradient(var(--line) 1px, transparent 1px),
		linear-gradient(90deg, var(--line) 1px, transparent 1px),
		radial-gradient(rgba(200, 182, 255, .22) 1px, transparent 1.5px);
	background-size: 72px 72px, 72px 72px, 7px 7px;
	-webkit-mask-image: radial-gradient(120% 90% at 50% 0, #000 10%, transparent 75%);
	mask-image: radial-gradient(120% 90% at 50% 0, #000 10%, transparent 75%);
}

.site-main { flex: 1; outline: none; }

h1, h2, h3, h4 {
	margin: 0 0 .6em;
	font-family: var(--font-display);
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -.01em;
	text-wrap: balance;
}
h1 { font-size: clamp(1.9rem, 5vw + .6rem, 4.4rem); }
h2 { font-size: clamp(1.5rem, 3.2vw + .5rem, 2.6rem); }
h3 { font-size: clamp(1.05rem, 1.4vw + .6rem, 1.35rem); }

p { margin: 0 0 1em; }
a {
	color: var(--secondary);
	text-underline-offset: .22em;
	text-decoration-thickness: 1px;
	transition: color .2s, text-shadow .2s;
}
a:hover { color: #fff; text-shadow: 0 0 14px rgba(183, 155, 255, .8); }
img, svg, video { max-width: 100%; height: auto; }
img { display: block; }
.ico { display: inline-block; vertical-align: -.2em; width: 1.15em; height: 1.15em; }
::selection { background: var(--primary); color: #fff; }

:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
	border-radius: 6px;
	box-shadow: 0 0 0 5px rgba(255, 106, 213, .25);
}

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	margin: -1px; padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}
.skip-link:focus {
	position: fixed !important;
	top: .75rem; left: .75rem;
	z-index: 2000;
	width: auto; height: auto;
	margin: 0; padding: .7rem 1rem;
	clip: auto;
	background: var(--primary);
	color: #fff;
	border-radius: var(--r-sm);
}
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* Layout */
.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.wrap--read { --wrap: 820px; }
.section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section--tight { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(3rem, 7vw, 5.5rem); }

.sec-head {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}
.sec-head__title { margin: 0; }
.sec-head__line {
	flex: 1;
	height: 1px;
	min-width: 2rem;
	background: linear-gradient(90deg, var(--line-strong), transparent);
}
.sec-head__link { font: 400 .85rem var(--font-mono); letter-spacing: .08em; white-space: nowrap; }

/* ------------------------------------------------------------- Cabecera */
body.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { body.admin-bar .site-header { top: 46px; } }

.site-header {
	position: fixed;
	inset: 0 0 auto 0;
	z-index: 60;
	border-bottom: 1px solid transparent;
	transition: transform .45s var(--ease), background .3s, border-color .3s;
}
.site-header.is-scrolled {
	background: rgba(8, 5, 20, .74);
	border-color: var(--line);
	-webkit-backdrop-filter: blur(14px) saturate(140%);
	backdrop-filter: blur(14px) saturate(140%);
}
.site-header.is-hidden { transform: translateY(-100%); }
.header__in {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	height: var(--header-h);
}
.progress { position: absolute; inset: auto 0 -1px 0; height: 2px; }
.progress span {
	display: block;
	height: 100%;
	background: linear-gradient(90deg, var(--primary), var(--accent));
	box-shadow: 0 0 12px var(--primary);
	transform: scaleX(var(--p, 0));
	transform-origin: left;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: .65rem;
	min-width: 0;
	color: var(--text);
	text-decoration: none;
	font: 800 .78rem var(--font-display);
	letter-spacing: .06em;
	text-transform: uppercase;
}
.brand:hover { text-shadow: none; }
.brand__mark { width: 34px; height: 34px; flex: none; object-fit: contain; }
.brand__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.header__tools { display: flex; align-items: center; gap: .4rem; }
.icon-btn {
	display: inline-grid;
	place-items: center;
	width: 2.5rem;
	height: 2.5rem;
	padding: 0;
	color: var(--text);
	background: rgba(123, 92, 255, .1);
	border: 1px solid var(--line);
	border-radius: 999px;
	cursor: pointer;
	transition: background .2s, box-shadow .2s, transform .2s var(--ease), border-color .2s;
}
.icon-btn:hover { background: rgba(123, 92, 255, .3); border-color: var(--line-strong); box-shadow: var(--glow); transform: scale(1.06); }
.icon-btn--sm { width: 2rem; height: 2rem; margin-left: auto; font-size: 1.2rem; line-height: 1; }

/* Navegación (escritorio) */
.nav__list { display: flex; align-items: center; gap: .15rem; margin: 0; padding: 0; list-style: none; }
.nav a, .nav__btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: .4rem;
	padding: .55rem .85rem;
	color: var(--text);
	font: 400 .84rem var(--font-mono);
	letter-spacing: .1em;
	text-transform: uppercase;
	text-decoration: none;
	background: none;
	border: 0;
	border-radius: 999px;
	cursor: pointer;
	transition: color .2s;
}
.nav a:hover, .nav__btn:hover { color: #fff; text-shadow: none; }
.nav > .nav__list > li > a::before,
.nav__btn::before {
	content: "";
	position: absolute;
	left: .85rem; right: .85rem; bottom: .2rem;
	height: 2px;
	background: linear-gradient(90deg, var(--primary), var(--accent));
	box-shadow: 0 0 10px var(--primary);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .35s var(--ease);
}
.nav > .nav__list > li > a:hover::before,
.nav > .nav__list > li > a.is-active::before,
.nav > .nav__list > li > a[aria-current]::before,
.nav__btn:hover::before,
.has-sub.is-open > .nav__btn::before { transform: scaleX(1); }
.nav__btn::after {
	content: "";
	width: .45rem; height: .45rem;
	border: solid currentColor;
	border-width: 0 1.5px 1.5px 0;
	transform: rotate(45deg) translateY(-2px);
	transition: transform .3s var(--ease);
}
.has-sub.is-open > .nav__btn::after { transform: rotate(225deg) translate(-2px, 0); }

.has-sub { position: relative; }
.nav__sub, .nav .sub-menu {
	position: absolute;
	top: calc(100% + .6rem);
	left: 0;
	z-index: 5;
	min-width: 17rem;
	margin: 0;
	padding: .5rem;
	list-style: none;
	background: rgba(12, 8, 30, .94);
	border: 1px solid var(--line-strong);
	border-radius: var(--r);
	box-shadow: var(--glow), 0 30px 60px -20px rgba(0, 0, 0, .7);
	-webkit-backdrop-filter: blur(14px);
	backdrop-filter: blur(14px);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px) scale(.98);
	transform-origin: top left;
	transition: opacity .25s, transform .35s var(--ease), visibility 0s .25s;
}
.has-sub.is-open > .nav__sub,
.has-sub:focus-within > .nav__sub,
.nav li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: none;
	transition-delay: 0s;
}
@media (hover: hover) {
	.has-sub:hover > .nav__sub, .nav li:hover > .sub-menu { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
}
.nav__sub-a { justify-content: space-between; width: 100%; border-radius: var(--r-sm) !important; text-transform: none !important; letter-spacing: .02em !important; font-size: .95rem !important; }
.nav__sub-a small { font: 400 .72rem var(--font-mono); color: var(--secondary); }
.nav__sub a:hover { background: rgba(123, 92, 255, .22); }
.nav__kids { margin: 0 0 .3rem; padding: 0 0 0 1rem; list-style: none; border-left: 1px solid var(--line); margin-left: 1rem; }
.nav__kids a { padding: .3rem .7rem; color: var(--muted); font-size: .82rem; text-transform: none; letter-spacing: .02em; }

.nav-toggle { display: none; position: relative; }
.nav-toggle span {
	position: absolute;
	left: 50%; top: 50%;
	width: 1.1rem; height: 2px;
	margin: -1px 0 0 -.55rem;
	background: currentColor;
	border-radius: 2px;
	transition: transform .35s var(--ease);
}
.nav-toggle span:first-child { transform: translateY(-4px); }
.nav-toggle span:last-child { transform: translateY(4px); }
.nav-open .nav-toggle span:first-child { transform: rotate(45deg); }
.nav-open .nav-toggle span:last-child { transform: rotate(-45deg); }

/* Navegación (móvil): panel a pantalla completa con apertura circular */
@media (max-width: 899px) {
	.nav-toggle { display: inline-grid; }
	.nav {
		position: fixed;
		inset: 0;
		z-index: -1;
		padding: calc(var(--header-h) + 1.5rem) var(--gutter) 2rem;
		overflow-y: auto;
		background: rgba(6, 4, 15, .97);
		clip-path: circle(0 at calc(100% - 2.7rem) 2rem);
		visibility: hidden;
		transition: clip-path .6s var(--ease), visibility 0s .6s;
	}
	.nav-open .nav { clip-path: circle(150% at calc(100% - 2.7rem) 2rem); visibility: visible; transition-delay: 0s; }
	.nav-open { overflow: hidden; }
	.nav__list { flex-direction: column; align-items: stretch; gap: .25rem; }
	.nav a, .nav__btn { width: 100%; padding: .9rem .4rem; font: 800 1.15rem var(--font-display); letter-spacing: 0; text-transform: none; border-bottom: 1px solid var(--line); border-radius: 0; }
	.nav__btn::before, .nav > .nav__list > li > a::before { display: none; }
	.nav__btn::after { margin-left: auto; }
	.nav__sub, .nav .sub-menu {
		position: static;
		min-width: 0;
		padding: 0 0 .5rem .5rem;
		background: none;
		border: 0;
		box-shadow: none;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
		opacity: 1;
		visibility: visible;
		transform: none;
		display: none;
	}
	.has-sub.is-open > .nav__sub, .nav li.is-open > .sub-menu { display: block; }
	.nav__sub-a { font-size: 1rem !important; }
}

/* ---------------------------------------------------------- Átomos de UI */
.btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .6rem;
	padding: .85rem 1.4rem;
	color: #fff;
	font: 700 .88rem var(--font-body);
	letter-spacing: .06em;
	text-decoration: none;
	background: linear-gradient(135deg, var(--primary), #5a3df0 60%, #8a4dff);
	border: 1px solid var(--line-strong);
	border-radius: 999px;
	box-shadow: 0 0 0 1px rgba(255, 255, 255, .08) inset, 0 8px 30px -8px rgba(123, 92, 255, .9);
	cursor: pointer;
	overflow: hidden;
	transition: transform .25s var(--ease), box-shadow .25s;
}
.btn::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, .42) 50%, transparent 70%);
	transform: translateX(-120%);
	transition: transform .7s var(--ease);
}
.btn:hover { color: #fff; text-shadow: none; transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255, 255, 255, .12) inset, 0 14px 40px -6px rgba(123, 92, 255, 1); }
.btn:hover::after { transform: translateX(120%); }
.btn--ghost { background: rgba(123, 92, 255, .08); box-shadow: none; }
.btn--ghost:hover { background: rgba(123, 92, 255, .25); box-shadow: var(--glow); }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.chip {
	display: inline-flex;
	align-items: center;
	padding: .2rem .7rem;
	color: var(--secondary);
	font: 400 .76rem var(--font-mono);
	letter-spacing: .08em;
	text-decoration: none;
	background: rgba(123, 92, 255, .12);
	border: 1px solid var(--line-strong);
	border-radius: 999px;
	transition: background .2s, color .2s, box-shadow .2s, transform .2s var(--ease);
}
a.chip:hover { color: #fff; text-shadow: none; background: rgba(123, 92, 255, .38); box-shadow: var(--glow); transform: translateY(-1px); }
.chip--lg { padding: .4rem 1.1rem; font-size: 1rem; color: #fff; }

/* Ventana Y2K (barra de título + pastillas), base de tarjetas y paneles */
.win {
	position: relative;
	border: 1px solid var(--line-strong);
	border-radius: var(--r);
	background: linear-gradient(160deg, rgba(38, 26, 84, .72), rgba(14, 9, 32, .72));
	box-shadow: 0 0 0 1px rgba(255, 255, 255, .03) inset, 0 24px 60px -24px rgba(80, 50, 220, .55);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
}
.win__bar {
	display: flex;
	align-items: center;
	gap: .7rem;
	padding: .55rem .8rem;
	color: var(--secondary);
	font: 400 .74rem var(--font-mono);
	letter-spacing: .14em;
	text-transform: uppercase;
	border-bottom: 1px solid var(--line);
	border-radius: var(--r) var(--r) 0 0;
	background: linear-gradient(90deg, rgba(123, 92, 255, .3), transparent);
}
.win__dots { display: inline-flex; gap: 5px; }
.win__dots i { width: .62rem; height: .62rem; border-radius: 50%; background: var(--secondary); opacity: .85; }
.win__dots i:nth-child(2) { background: var(--primary); }
.win__dots i:nth-child(3) { background: var(--accent); }

/* Formularios */
.searchform { display: flex; gap: .6rem; width: 100%; }
.searchform__input {
	flex: 1;
	min-width: 0;
	padding: .85rem 1.1rem;
	color: var(--text);
	font: 400 1rem var(--font-body);
	background: rgba(6, 4, 15, .7);
	border: 1px solid var(--line-strong);
	border-radius: 999px;
	transition: border-color .2s, box-shadow .2s;
}
.searchform__input::placeholder { color: var(--muted); }
.searchform__input:focus { outline: none; border-color: var(--secondary); box-shadow: var(--glow); }

.search-dialog {
	width: min(92vw, 40rem);
	margin: 12vh auto auto;
	padding: 0;
	color: var(--text);
	background: rgba(10, 6, 26, .95);
	border: 1px solid var(--line-strong);
	border-radius: var(--r);
	box-shadow: var(--glow), 0 40px 100px rgba(0, 0, 0, .6);
}
.search-dialog::backdrop { background: rgba(4, 2, 12, .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.search-dialog__body { padding: 1.25rem; }
@media (max-width: 520px) { .searchform { flex-direction: column; } }

/* ------------------------------------------------------------------ Pie */
.site-footer {
	margin-top: clamp(3rem, 8vw, 6rem);
	padding-block: 3rem 1.5rem;
	border-top: 1px solid var(--line);
	background: linear-gradient(180deg, transparent, rgba(20, 12, 52, .7));
}
.footer__grid { display: grid; gap: 2rem; }
@media (min-width: 800px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer__name { margin: 0 0 .6rem; font: 800 1.05rem var(--font-display); overflow-wrap: anywhere; }
.footer__title { margin: 0 0 .9rem; color: var(--muted); font: 400 .8rem var(--font-mono); letter-spacing: .18em; text-transform: uppercase; }
.footer__list { display: grid; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.footer__list a { color: var(--text); text-decoration: none; overflow-wrap: anywhere; }
.footer__list a:hover { color: var(--secondary); }
.barcode {
	width: 130px; height: 24px;
	margin-top: 1rem;
	opacity: .6;
	background: repeating-linear-gradient(90deg, var(--secondary) 0 2px, transparent 2px 5px, var(--secondary) 5px 6px, transparent 6px 10px);
}
.footer__bar {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: space-between;
	margin-top: 2.5rem;
	padding-top: 1.2rem;
	color: var(--muted);
	font: 400 .8rem var(--font-mono);
	letter-spacing: .08em;
	border-top: 1px dashed var(--line);
}
.to-top {
	position: fixed;
	right: 1rem; bottom: 1rem;
	z-index: 40;
	display: grid;
	place-items: center;
	width: 3rem; height: 3rem;
	color: #fff;
	background: linear-gradient(135deg, var(--primary), #5a3df0);
	border: 1px solid var(--line-strong);
	border-radius: 50%;
	box-shadow: var(--glow);
	cursor: pointer;
	opacity: 0;
	pointer-events: none;
	transform: translateY(14px) scale(.9);
	transition: opacity .3s, transform .4s var(--ease);
}
.to-top.is-on { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { transform: translateY(-3px) scale(1.06); }