/**
 * SemiConecta — footer.
 */

.site-footer {
	position: relative;
	color: rgba(255, 255, 255, .8);
	background: #050506;
	padding: clamp(60px, 8vw, 100px) 0 40px;
	overflow: hidden;
}
/* Textura PCB: pistas de circuito muy sutiles (verde-grafito oscuro, no llamativo) */
.site-footer::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px),
		linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px);
	background-size: 48px 48px;
	mask-image: radial-gradient(ellipse 80% 120% at 80% 0%, #000 30%, transparent 75%);
}
/* Traza PCB decorativa (SVG de fondo) */
.site-footer .footer-pcb {
	position: absolute;
	top: 0; right: 0;
	width: min(620px, 60%);
	height: 100%;
	pointer-events: none;
	opacity: .5;
}
.site-footer a { color: rgba(255, 255, 255, .78); text-decoration: none; transition: color .2s; }
.site-footer a:hover { color: var(--yellow); }

.footer-main {
	display: grid;
	grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
	gap: clamp(30px, 4vw, 60px);
	padding-bottom: 60px;
	border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer-brand img { width: 200px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-brand .logo-dark { display: none; }
.footer-brand p { color: rgba(255, 255, 255, .66); font-size: 1.02rem; line-height: 1.6; max-width: 340px; }

.footer-col h3 {
	color: var(--white);
	font-family: var(--font-display);
	font-size: 1.12rem;
	font-weight: 800;
	letter-spacing: .04em;
	margin-bottom: 18px;
}
.footer-col .footer-col-list,
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col a,
.footer-col li a {
	display: block;
	padding: 9px 0;
	font-size: 1rem;
}

.footer-bottom {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
	gap: 20px;
	padding-top: 30px;
	font-size: .95rem;
	color: rgba(255, 255, 255, .48);
}
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 22px; list-style: none; padding: 0; margin: 0; }

.footer-system-word {
	position: absolute;
	left: 50%;
	bottom: -50px;
	transform: translateX(-50%);
	font-family: var(--font-display);
	font-size: clamp(80px, 18vw, 260px);
	font-weight: 900;
	letter-spacing: -.05em;
	color: rgba(255, 255, 255, .03);
	pointer-events: none;
	user-select: none;
	white-space: nowrap;
}

@media (max-width: 900px) {
	.footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
	.footer-main { grid-template-columns: 1fr; }
	.footer-brand { grid-column: 1 / -1; }
}

/* --- Social --- */
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.75); transition: background .2s, color .2s, border-color .2s; }
.footer-social a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--ink); }

/* --- Funding (logos institucionales) --- */
.footer-funding { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: center; gap: 40px; padding: 40px 0 12px; border-top: 1px solid rgba(255,255,255,.1); margin-top: 20px; }
.footer-funding-block { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-funding-grant { margin: 0; color: rgba(255,255,255,.75); font-size: .95rem; font-weight: 800; letter-spacing: .03em; }
.footer-funding-logo { display: inline-flex; background: var(--white); padding: 14px 20px; border-radius: 8px; transition: transform .2s, box-shadow .2s; }
.footer-funding-logo:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,0,0,.25); }
.footer-funding-logo img { height: 84px; width: auto; display: block; }

@media (max-width: 640px) {
	.footer-funding { gap: 26px; }
	.footer-funding-logo img { height: 58px; }
	.footer-funding-logo { padding: 10px 14px; }
}

/* --- by AESEMI --- */
.footer-by-aesemi { color: rgba(255,255,255,.6); text-decoration: none; border-bottom: 1px dotted rgba(255,255,255,.4); transition: color .2s; }
.footer-by-aesemi:hover { color: var(--yellow); }

@media (max-width: 640px) {
	.footer-funding-logos img { height: 42px; }
}

/* ===== Terminación técnica del footer (v0.26) ===== */
.footer-termination { border-bottom: 1px solid rgba(255,255,255,.08); padding: 18px 0; }
.footer-termination-row { display: flex; align-items: center; gap: 18px; }
.footer-term-code { font-family: var(--font-mono, monospace); font-size: .64rem; font-weight: 700; letter-spacing: .18em; color: rgba(255,255,255,.4); white-space: nowrap; }
.footer-term-line { flex: 1; height: 1px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.25) 0 6px, transparent 6px 12px); }